[6679c122] | 1 | #!/usr/local/bin/python |
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| 2 | |
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| 3 | import os,sys |
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| 4 | |
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| 5 | import re |
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| 6 | import random |
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| 7 | import string |
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| 8 | import subprocess |
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| 9 | import tempfile |
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| 10 | import copy |
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[eee2b2e] | 11 | import pickle |
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[c971895] | 12 | import logging |
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[79b6596] | 13 | import signal |
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| 14 | import time |
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[6679c122] | 15 | |
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[3441fe3] | 16 | import traceback |
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[c971895] | 17 | # For parsing visualization output and splitter output |
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| 18 | import xml.parsers.expat |
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[3441fe3] | 19 | |
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[6c57fe9] | 20 | from threading import Lock, Thread, Condition |
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| 21 | from subprocess import call, Popen, PIPE |
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[c573278] | 22 | from string import join |
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[6679c122] | 23 | |
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[db6b092] | 24 | from urlparse import urlparse |
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| 25 | from urllib2 import urlopen |
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| 26 | |
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[ec4fb42] | 27 | from util import * |
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[51cc9df] | 28 | from fedid import fedid, generate_fedid |
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[9460b1e] | 29 | from remote_service import xmlrpc_handler, soap_handler, service_caller |
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[c971895] | 30 | from service_error import service_error |
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[2761484] | 31 | from synch_store import synch_store |
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[73e7f5c] | 32 | from experiment_partition import experiment_partition |
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[7206e5a] | 33 | from authorizer import abac_authorizer |
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[6679c122] | 34 | |
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[db6b092] | 35 | import topdl |
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[f07fa49] | 36 | import list_log |
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[db6b092] | 37 | from ip_allocator import ip_allocator |
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| 38 | from ip_addr import ip_addr |
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| 39 | |
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[11a08b0] | 40 | |
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| 41 | class nullHandler(logging.Handler): |
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| 42 | def emit(self, record): pass |
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| 43 | |
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| 44 | fl = logging.getLogger("fedd.experiment_control") |
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| 45 | fl.addHandler(nullHandler()) |
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| 46 | |
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[43197eb] | 47 | |
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| 48 | # Right now, no support for composition. |
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| 49 | class federated_service: |
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[5334044] | 50 | def __init__(self, name, exporter=None, importers=None, params=None, |
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| 51 | reqs=None, portal=None): |
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[43197eb] | 52 | self.name=name |
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| 53 | self.exporter=exporter |
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[5334044] | 54 | if importers is None: self.importers = [] |
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| 55 | else: self.importers=importers |
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| 56 | if params is None: self.params = { } |
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| 57 | else: self.params = params |
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| 58 | if reqs is None: self.reqs = [] |
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| 59 | else: self.reqs = reqs |
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| 60 | |
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| 61 | if portal is not None: |
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| 62 | self.portal = portal |
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| 63 | else: |
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| 64 | self.portal = (name in federated_service.needs_portal) |
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[43197eb] | 65 | |
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[d20823f] | 66 | def __str__(self): |
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| 67 | return "name %s export %s import %s params %s reqs %s" % \ |
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| 68 | (self.name, self.exporter, self.importers, self.params, |
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| 69 | [ (r['name'], r['visibility']) for r in self.reqs] ) |
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| 70 | |
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[5334044] | 71 | needs_portal = ('SMB', 'seer', 'tmcd', 'project_export', 'seer_master') |
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| 72 | |
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[ec4fb42] | 73 | class experiment_control_local: |
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[0ea11af] | 74 | """ |
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| 75 | Control of experiments that this system can directly access. |
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| 76 | |
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| 77 | Includes experiment creation, termination and information dissemination. |
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| 78 | Thred safe. |
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| 79 | """ |
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[79b6596] | 80 | |
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| 81 | class ssh_cmd_timeout(RuntimeError): pass |
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[6679c122] | 82 | |
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[1af38d6] | 83 | class thread_pool: |
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[866c983] | 84 | """ |
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| 85 | A class to keep track of a set of threads all invoked for the same |
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| 86 | task. Manages the mutual exclusion of the states. |
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| 87 | """ |
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| 88 | def __init__(self, nthreads): |
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| 89 | """ |
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| 90 | Start a pool. |
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| 91 | """ |
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| 92 | self.changed = Condition() |
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| 93 | self.started = 0 |
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| 94 | self.terminated = 0 |
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| 95 | self.nthreads = nthreads |
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| 96 | |
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| 97 | def acquire(self): |
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| 98 | """ |
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| 99 | Get the pool's lock. |
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| 100 | """ |
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| 101 | self.changed.acquire() |
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| 102 | |
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| 103 | def release(self): |
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| 104 | """ |
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| 105 | Release the pool's lock. |
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| 106 | """ |
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| 107 | self.changed.release() |
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| 108 | |
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| 109 | def wait(self, timeout = None): |
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| 110 | """ |
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| 111 | Wait for a pool thread to start or stop. |
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| 112 | """ |
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| 113 | self.changed.wait(timeout) |
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| 114 | |
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| 115 | def start(self): |
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| 116 | """ |
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| 117 | Called by a pool thread to report starting. |
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| 118 | """ |
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| 119 | self.changed.acquire() |
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| 120 | self.started += 1 |
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| 121 | self.changed.notifyAll() |
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| 122 | self.changed.release() |
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| 123 | |
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| 124 | def terminate(self): |
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| 125 | """ |
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| 126 | Called by a pool thread to report finishing. |
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| 127 | """ |
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| 128 | self.changed.acquire() |
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| 129 | self.terminated += 1 |
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| 130 | self.changed.notifyAll() |
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| 131 | self.changed.release() |
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| 132 | |
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| 133 | def clear(self): |
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| 134 | """ |
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| 135 | Clear all pool data. |
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| 136 | """ |
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| 137 | self.changed.acquire() |
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| 138 | self.started = 0 |
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| 139 | self.terminated =0 |
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| 140 | self.changed.notifyAll() |
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| 141 | self.changed.release() |
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| 142 | |
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| 143 | def wait_for_slot(self): |
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| 144 | """ |
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| 145 | Wait until we have a free slot to start another pooled thread |
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| 146 | """ |
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| 147 | self.acquire() |
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| 148 | while self.started - self.terminated >= self.nthreads: |
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| 149 | self.wait() |
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| 150 | self.release() |
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| 151 | |
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[32e7d93] | 152 | def wait_for_all_done(self, timeout=None): |
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[866c983] | 153 | """ |
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[32e7d93] | 154 | Wait until all active threads finish (and at least one has |
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| 155 | started). If a timeout is given, return after waiting that long |
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| 156 | for termination. If all threads are done (and one has started in |
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| 157 | the since the last clear()) return True, otherwise False. |
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[866c983] | 158 | """ |
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[32e7d93] | 159 | if timeout: |
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| 160 | deadline = time.time() + timeout |
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[866c983] | 161 | self.acquire() |
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| 162 | while self.started == 0 or self.started > self.terminated: |
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[32e7d93] | 163 | self.wait(timeout) |
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| 164 | if timeout: |
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| 165 | if time.time() > deadline: |
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| 166 | break |
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| 167 | timeout = deadline - time.time() |
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[866c983] | 168 | self.release() |
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[32e7d93] | 169 | return not (self.started == 0 or self.started > self.terminated) |
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[8bc5754] | 170 | |
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[1af38d6] | 171 | class pooled_thread(Thread): |
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[866c983] | 172 | """ |
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| 173 | One of a set of threads dedicated to a specific task. Uses the |
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| 174 | thread_pool class above for coordination. |
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| 175 | """ |
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| 176 | def __init__(self, group=None, target=None, name=None, args=(), |
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| 177 | kwargs={}, pdata=None, trace_file=None): |
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| 178 | Thread.__init__(self, group, target, name, args, kwargs) |
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| 179 | self.rv = None # Return value of the ops in this thread |
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| 180 | self.exception = None # Exception that terminated this thread |
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| 181 | self.target=target # Target function to run on start() |
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| 182 | self.args = args # Args to pass to target |
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| 183 | self.kwargs = kwargs # Additional kw args |
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| 184 | self.pdata = pdata # thread_pool for this class |
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| 185 | # Logger for this thread |
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| 186 | self.log = logging.getLogger("fedd.experiment_control") |
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| 187 | |
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| 188 | def run(self): |
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| 189 | """ |
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| 190 | Emulate Thread.run, except add pool data manipulation and error |
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| 191 | logging. |
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| 192 | """ |
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| 193 | if self.pdata: |
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| 194 | self.pdata.start() |
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| 195 | |
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| 196 | if self.target: |
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| 197 | try: |
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| 198 | self.rv = self.target(*self.args, **self.kwargs) |
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| 199 | except service_error, s: |
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| 200 | self.exception = s |
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| 201 | self.log.error("Thread exception: %s %s" % \ |
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| 202 | (s.code_string(), s.desc)) |
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| 203 | except: |
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| 204 | self.exception = sys.exc_info()[1] |
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| 205 | self.log.error(("Unexpected thread exception: %s" +\ |
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| 206 | "Trace %s") % (self.exception,\ |
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| 207 | traceback.format_exc())) |
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| 208 | if self.pdata: |
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| 209 | self.pdata.terminate() |
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[6679c122] | 210 | |
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[f069052] | 211 | call_RequestAccess = service_caller('RequestAccess') |
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| 212 | call_ReleaseAccess = service_caller('ReleaseAccess') |
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[cc8d8e9] | 213 | call_StartSegment = service_caller('StartSegment') |
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[5ae3857] | 214 | call_TerminateSegment = service_caller('TerminateSegment') |
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[5f6929a] | 215 | call_Ns2Topdl = service_caller('Ns2Topdl') |
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[058f58e] | 216 | |
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[3f6bc5f] | 217 | def __init__(self, config=None, auth=None): |
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[866c983] | 218 | """ |
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| 219 | Intialize the various attributes, most from the config object |
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| 220 | """ |
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| 221 | |
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| 222 | def parse_tarfile_list(tf): |
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| 223 | """ |
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| 224 | Parse a tarfile list from the configuration. This is a set of |
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| 225 | paths and tarfiles separated by spaces. |
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| 226 | """ |
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| 227 | rv = [ ] |
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| 228 | if tf is not None: |
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| 229 | tl = tf.split() |
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| 230 | while len(tl) > 1: |
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| 231 | p, t = tl[0:2] |
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| 232 | del tl[0:2] |
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| 233 | rv.append((p, t)) |
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| 234 | return rv |
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| 235 | |
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| 236 | self.thread_with_rv = experiment_control_local.pooled_thread |
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| 237 | self.thread_pool = experiment_control_local.thread_pool |
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[f07fa49] | 238 | self.list_log = list_log.list_log |
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[866c983] | 239 | |
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| 240 | self.cert_file = config.get("experiment_control", "cert_file") |
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| 241 | if self.cert_file: |
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| 242 | self.cert_pwd = config.get("experiment_control", "cert_pwd") |
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| 243 | else: |
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| 244 | self.cert_file = config.get("globals", "cert_file") |
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| 245 | self.cert_pwd = config.get("globals", "cert_pwd") |
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| 246 | |
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| 247 | self.trusted_certs = config.get("experiment_control", "trusted_certs") \ |
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| 248 | or config.get("globals", "trusted_certs") |
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| 249 | |
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[6c57fe9] | 250 | self.repodir = config.get("experiment_control", "repodir") |
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[7183b48] | 251 | self.repo_url = config.get("experiment_control", "repo_url", |
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| 252 | "https://users.isi.deterlab.net:23235"); |
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[cc8d8e9] | 253 | |
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[866c983] | 254 | self.exp_stem = "fed-stem" |
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| 255 | self.log = logging.getLogger("fedd.experiment_control") |
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| 256 | set_log_level(config, "experiment_control", self.log) |
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| 257 | self.muxmax = 2 |
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[35a4c01] | 258 | self.nthreads = 10 |
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[866c983] | 259 | self.randomize_experiments = False |
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| 260 | |
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| 261 | self.splitter = None |
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| 262 | self.ssh_keygen = "/usr/bin/ssh-keygen" |
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| 263 | self.ssh_identity_file = None |
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| 264 | |
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| 265 | |
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| 266 | self.debug = config.getboolean("experiment_control", "create_debug") |
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[69692a9] | 267 | self.cleanup = not config.getboolean("experiment_control", |
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| 268 | "leave_tmpfiles") |
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[866c983] | 269 | self.state_filename = config.get("experiment_control", |
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| 270 | "experiment_state") |
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[2761484] | 271 | self.store_filename = config.get("experiment_control", |
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| 272 | "synch_store") |
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| 273 | self.store_url = config.get("experiment_control", "store_url") |
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[5f6929a] | 274 | self.splitter_url = config.get("experiment_control", "ns2topdl_uri") |
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[866c983] | 275 | self.fedkit = parse_tarfile_list(\ |
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| 276 | config.get("experiment_control", "fedkit")) |
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| 277 | self.gatewaykit = parse_tarfile_list(\ |
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| 278 | config.get("experiment_control", "gatewaykit")) |
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| 279 | accessdb_file = config.get("experiment_control", "accessdb") |
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| 280 | |
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| 281 | self.ssh_pubkey_file = config.get("experiment_control", |
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| 282 | "ssh_pubkey_file") |
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| 283 | self.ssh_privkey_file = config.get("experiment_control", |
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| 284 | "ssh_privkey_file") |
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[175b444] | 285 | dt = config.get("experiment_control", "direct_transit") |
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[7206e5a] | 286 | self.auth_type = config.get('experiment_control', 'auth_type') \ |
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| 287 | or 'legacy' |
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| 288 | self.auth_dir = config.get('experiment_control', 'auth_dir') |
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[139e2e2] | 289 | if dt: self.direct_transit = [ tb.strip() for tb in dt.split(",")] |
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| 290 | else: self.direct_transit = [ ] |
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[866c983] | 291 | # NB for internal master/slave ops, not experiment setup |
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| 292 | self.ssh_type = config.get("experiment_control", "sshkeytype", "rsa") |
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[ca489e8] | 293 | |
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[db6b092] | 294 | self.overrides = set([]) |
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| 295 | ovr = config.get('experiment_control', 'overrides') |
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| 296 | if ovr: |
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| 297 | for o in ovr.split(","): |
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| 298 | o = o.strip() |
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| 299 | if o.startswith('fedid:'): o = o[len('fedid:'):] |
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| 300 | self.overrides.add(fedid(hexstr=o)) |
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[ca489e8] | 301 | |
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[866c983] | 302 | self.state = { } |
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| 303 | self.state_lock = Lock() |
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| 304 | self.tclsh = "/usr/local/bin/otclsh" |
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[5f6929a] | 305 | self.tcl_splitter = config.get("ns2topdl", "tcl_splitter") or \ |
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[866c983] | 306 | config.get("experiment_control", "tcl_splitter", |
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| 307 | "/usr/testbed/lib/ns2ir/parse.tcl") |
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| 308 | mapdb_file = config.get("experiment_control", "mapdb") |
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| 309 | self.trace_file = sys.stderr |
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| 310 | |
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| 311 | self.def_expstart = \ |
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| 312 | "sudo -H /bin/sh /usr/local/federation/bin/federate.sh >& " +\ |
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| 313 | "/tmp/federate"; |
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| 314 | self.def_mexpstart = "sudo -H /usr/local/federation/bin/make_hosts " +\ |
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| 315 | "FEDDIR/hosts"; |
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| 316 | self.def_gwstart = \ |
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| 317 | "sudo -H /usr/local/federation/bin/fed-tun.pl -f GWCONF>& " +\ |
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| 318 | "/tmp/bridge.log"; |
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| 319 | self.def_mgwstart = \ |
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| 320 | "sudo -H /usr/local/federation/bin/fed-tun.pl -f GWCONF >& " +\ |
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| 321 | "/tmp/bridge.log"; |
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| 322 | self.def_gwimage = "FBSD61-TUNNEL2"; |
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| 323 | self.def_gwtype = "pc"; |
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| 324 | self.local_access = { } |
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| 325 | |
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[7206e5a] | 326 | if self.auth_type == 'legacy': |
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| 327 | if auth: |
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| 328 | self.auth = auth |
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| 329 | else: |
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| 330 | self.log.error( "[access]: No authorizer initialized, " +\ |
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| 331 | "creating local one.") |
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| 332 | auth = authorizer() |
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| 333 | elif self.auth_type == 'abac': |
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| 334 | self.auth = abac_authorizer(load=self.auth_dir) |
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| 335 | else: |
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| 336 | raise service_error(service_error.internal, |
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| 337 | "Unknown auth_type: %s" % self.auth_type) |
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[866c983] | 338 | |
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| 339 | |
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| 340 | if self.ssh_pubkey_file: |
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| 341 | try: |
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| 342 | f = open(self.ssh_pubkey_file, 'r') |
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| 343 | self.ssh_pubkey = f.read() |
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| 344 | f.close() |
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[d3c8759] | 345 | except EnvironmentError: |
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[866c983] | 346 | raise service_error(service_error.internal, |
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| 347 | "Cannot read sshpubkey") |
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| 348 | else: |
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| 349 | raise service_error(service_error.internal, |
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| 350 | "No SSH public key file?") |
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| 351 | |
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| 352 | if not self.ssh_privkey_file: |
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| 353 | raise service_error(service_error.internal, |
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| 354 | "No SSH public key file?") |
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| 355 | |
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| 356 | |
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| 357 | if mapdb_file: |
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| 358 | self.read_mapdb(mapdb_file) |
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| 359 | else: |
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| 360 | self.log.warn("[experiment_control] No testbed map, using defaults") |
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| 361 | self.tbmap = { |
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| 362 | 'deter':'https://users.isi.deterlab.net:23235', |
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| 363 | 'emulab':'https://users.isi.deterlab.net:23236', |
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| 364 | 'ucb':'https://users.isi.deterlab.net:23237', |
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| 365 | } |
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| 366 | |
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| 367 | if accessdb_file: |
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| 368 | self.read_accessdb(accessdb_file) |
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| 369 | else: |
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| 370 | raise service_error(service_error.internal, |
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| 371 | "No accessdb specified in config") |
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| 372 | |
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| 373 | # Grab saved state. OK to do this w/o locking because it's read only |
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| 374 | # and only one thread should be in existence that can see self.state at |
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| 375 | # this point. |
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| 376 | if self.state_filename: |
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| 377 | self.read_state() |
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| 378 | |
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[2761484] | 379 | if self.store_filename: |
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| 380 | self.read_store() |
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| 381 | else: |
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| 382 | self.log.warning("No saved synch store") |
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| 383 | self.synch_store = synch_store |
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| 384 | |
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[866c983] | 385 | # Dispatch tables |
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| 386 | self.soap_services = {\ |
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[a3ad8bd] | 387 | 'New': soap_handler('New', self.new_experiment), |
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[e19b75c] | 388 | 'Create': soap_handler('Create', self.create_experiment), |
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[866c983] | 389 | 'Vtopo': soap_handler('Vtopo', self.get_vtopo), |
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| 390 | 'Vis': soap_handler('Vis', self.get_vis), |
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| 391 | 'Info': soap_handler('Info', self.get_info), |
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[65f3f29] | 392 | 'MultiInfo': soap_handler('MultiInfo', self.get_multi_info), |
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[866c983] | 393 | 'Terminate': soap_handler('Terminate', |
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[e19b75c] | 394 | self.terminate_experiment), |
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[2761484] | 395 | 'GetValue': soap_handler('GetValue', self.GetValue), |
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| 396 | 'SetValue': soap_handler('SetValue', self.SetValue), |
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[866c983] | 397 | } |
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| 398 | |
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| 399 | self.xmlrpc_services = {\ |
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[a3ad8bd] | 400 | 'New': xmlrpc_handler('New', self.new_experiment), |
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[e19b75c] | 401 | 'Create': xmlrpc_handler('Create', self.create_experiment), |
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[866c983] | 402 | 'Vtopo': xmlrpc_handler('Vtopo', self.get_vtopo), |
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| 403 | 'Vis': xmlrpc_handler('Vis', self.get_vis), |
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| 404 | 'Info': xmlrpc_handler('Info', self.get_info), |
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[65f3f29] | 405 | 'MultiInfo': xmlrpc_handler('MultiInfo', self.get_multi_info), |
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[866c983] | 406 | 'Terminate': xmlrpc_handler('Terminate', |
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[e19b75c] | 407 | self.terminate_experiment), |
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[2761484] | 408 | 'GetValue': xmlrpc_handler('GetValue', self.GetValue), |
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| 409 | 'SetValue': xmlrpc_handler('SetValue', self.SetValue), |
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[866c983] | 410 | } |
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[19cc408] | 411 | |
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[a97394b] | 412 | # Call while holding self.state_lock |
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[eee2b2e] | 413 | def write_state(self): |
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[866c983] | 414 | """ |
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| 415 | Write a new copy of experiment state after copying the existing state |
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| 416 | to a backup. |
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| 417 | |
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| 418 | State format is a simple pickling of the state dictionary. |
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| 419 | """ |
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| 420 | if os.access(self.state_filename, os.W_OK): |
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[40dd8c1] | 421 | copy_file(self.state_filename, \ |
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| 422 | "%s.bak" % self.state_filename) |
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[866c983] | 423 | try: |
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| 424 | f = open(self.state_filename, 'w') |
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| 425 | pickle.dump(self.state, f) |
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[d3c8759] | 426 | except EnvironmentError, e: |
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[866c983] | 427 | self.log.error("Can't write file %s: %s" % \ |
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| 428 | (self.state_filename, e)) |
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| 429 | except pickle.PicklingError, e: |
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| 430 | self.log.error("Pickling problem: %s" % e) |
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| 431 | except TypeError, e: |
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| 432 | self.log.error("Pickling problem (TypeError): %s" % e) |
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[eee2b2e] | 433 | |
---|
[2761484] | 434 | @staticmethod |
---|
| 435 | def get_alloc_ids(state): |
---|
| 436 | """ |
---|
| 437 | Pull the fedids of the identifiers of each allocation from the |
---|
| 438 | state. Again, a dict dive that's best isolated. |
---|
| 439 | |
---|
| 440 | Used by read_store and read state |
---|
| 441 | """ |
---|
| 442 | |
---|
| 443 | return [ f['allocID']['fedid'] |
---|
| 444 | for f in state.get('federant',[]) \ |
---|
| 445 | if f.has_key('allocID') and \ |
---|
| 446 | f['allocID'].has_key('fedid')] |
---|
| 447 | |
---|
[a97394b] | 448 | # Call while holding self.state_lock |
---|
[eee2b2e] | 449 | def read_state(self): |
---|
[866c983] | 450 | """ |
---|
| 451 | Read a new copy of experiment state. Old state is overwritten. |
---|
| 452 | |
---|
| 453 | State format is a simple pickling of the state dictionary. |
---|
| 454 | """ |
---|
[cc8d8e9] | 455 | |
---|
| 456 | def get_experiment_id(state): |
---|
| 457 | """ |
---|
| 458 | Pull the fedid experimentID out of the saved state. This is kind |
---|
| 459 | of a gross walk through the dict. |
---|
| 460 | """ |
---|
| 461 | |
---|
| 462 | if state.has_key('experimentID'): |
---|
| 463 | for e in state['experimentID']: |
---|
| 464 | if e.has_key('fedid'): |
---|
| 465 | return e['fedid'] |
---|
| 466 | else: |
---|
| 467 | return None |
---|
| 468 | else: |
---|
| 469 | return None |
---|
| 470 | |
---|
[866c983] | 471 | try: |
---|
| 472 | f = open(self.state_filename, "r") |
---|
| 473 | self.state = pickle.load(f) |
---|
| 474 | self.log.debug("[read_state]: Read state from %s" % \ |
---|
| 475 | self.state_filename) |
---|
[d3c8759] | 476 | except EnvironmentError, e: |
---|
[866c983] | 477 | self.log.warning("[read_state]: No saved state: Can't open %s: %s"\ |
---|
| 478 | % (self.state_filename, e)) |
---|
| 479 | except pickle.UnpicklingError, e: |
---|
| 480 | self.log.warning(("[read_state]: No saved state: " + \ |
---|
| 481 | "Unpickling failed: %s") % e) |
---|
| 482 | |
---|
[cc8d8e9] | 483 | for s in self.state.values(): |
---|
[866c983] | 484 | try: |
---|
[cc8d8e9] | 485 | |
---|
| 486 | eid = get_experiment_id(s) |
---|
| 487 | if eid : |
---|
[7206e5a] | 488 | if self.auth_type == 'legacy': |
---|
| 489 | # XXX: legacy |
---|
| 490 | # Give the owner rights to the experiment |
---|
| 491 | self.auth.set_attribute(s['owner'], eid) |
---|
| 492 | # And holders of the eid as well |
---|
| 493 | self.auth.set_attribute(eid, eid) |
---|
| 494 | # allow overrides to control experiments as well |
---|
| 495 | for o in self.overrides: |
---|
| 496 | self.auth.set_attribute(o, eid) |
---|
| 497 | # Set permissions to allow reading of the software |
---|
| 498 | # repo, if any, as well. |
---|
| 499 | for a in self.get_alloc_ids(s): |
---|
| 500 | self.auth.set_attribute(a, 'repo/%s' % eid) |
---|
[cc8d8e9] | 501 | else: |
---|
| 502 | raise KeyError("No experiment id") |
---|
[866c983] | 503 | except KeyError, e: |
---|
| 504 | self.log.warning("[read_state]: State ownership or identity " +\ |
---|
| 505 | "misformatted in %s: %s" % (self.state_filename, e)) |
---|
[4064742] | 506 | |
---|
| 507 | |
---|
| 508 | def read_accessdb(self, accessdb_file): |
---|
[866c983] | 509 | """ |
---|
| 510 | Read the mapping from fedids that can create experiments to their name |
---|
| 511 | in the 3-level access namespace. All will be asserted from this |
---|
| 512 | testbed and can include the local username and porject that will be |
---|
| 513 | asserted on their behalf by this fedd. Each fedid is also added to the |
---|
| 514 | authorization system with the "create" attribute. |
---|
| 515 | """ |
---|
| 516 | self.accessdb = {} |
---|
| 517 | # These are the regexps for parsing the db |
---|
| 518 | name_expr = "[" + string.ascii_letters + string.digits + "\.\-]+" |
---|
| 519 | project_line = re.compile("^\s*fedid:([" + string.hexdigits + "]+)"+ \ |
---|
| 520 | "\s*->\(\s*("+name_expr+")\s*,\s*("+name_expr+")\s*\)\s*$") |
---|
| 521 | user_line = re.compile("^\s*fedid:([" + string.hexdigits + "]+)"+ \ |
---|
| 522 | "\s*->\s*(" + name_expr + ")\s*$") |
---|
| 523 | lineno = 0 |
---|
| 524 | |
---|
| 525 | # Parse the mappings and store in self.authdb, a dict of |
---|
| 526 | # fedid -> (proj, user) |
---|
| 527 | try: |
---|
| 528 | f = open(accessdb_file, "r") |
---|
| 529 | for line in f: |
---|
| 530 | lineno += 1 |
---|
| 531 | line = line.strip() |
---|
| 532 | if len(line) == 0 or line.startswith('#'): |
---|
| 533 | continue |
---|
| 534 | m = project_line.match(line) |
---|
| 535 | if m: |
---|
| 536 | fid = fedid(hexstr=m.group(1)) |
---|
| 537 | project, user = m.group(2,3) |
---|
| 538 | if not self.accessdb.has_key(fid): |
---|
| 539 | self.accessdb[fid] = [] |
---|
| 540 | self.accessdb[fid].append((project, user)) |
---|
| 541 | continue |
---|
| 542 | |
---|
| 543 | m = user_line.match(line) |
---|
| 544 | if m: |
---|
| 545 | fid = fedid(hexstr=m.group(1)) |
---|
| 546 | project = None |
---|
| 547 | user = m.group(2) |
---|
| 548 | if not self.accessdb.has_key(fid): |
---|
| 549 | self.accessdb[fid] = [] |
---|
| 550 | self.accessdb[fid].append((project, user)) |
---|
| 551 | continue |
---|
| 552 | self.log.warn("[experiment_control] Error parsing access " +\ |
---|
| 553 | "db %s at line %d" % (accessdb_file, lineno)) |
---|
[d3c8759] | 554 | except EnvironmentError: |
---|
[866c983] | 555 | raise service_error(service_error.internal, |
---|
[05fceef] | 556 | ("Error opening/reading %s as experiment " +\ |
---|
| 557 | "control accessdb") % accessdb_file) |
---|
[866c983] | 558 | f.close() |
---|
| 559 | |
---|
| 560 | # Initialize the authorization attributes |
---|
[7206e5a] | 561 | # XXX: legacy |
---|
| 562 | if self.auth_type == 'legacy': |
---|
| 563 | for fid in self.accessdb.keys(): |
---|
| 564 | self.auth.set_attribute(fid, 'create') |
---|
| 565 | self.auth.set_attribute(fid, 'new') |
---|
[34bc05c] | 566 | |
---|
| 567 | def read_mapdb(self, file): |
---|
[866c983] | 568 | """ |
---|
| 569 | Read a simple colon separated list of mappings for the |
---|
| 570 | label-to-testbed-URL mappings. Clears or creates self.tbmap. |
---|
| 571 | """ |
---|
| 572 | |
---|
| 573 | self.tbmap = { } |
---|
| 574 | lineno =0 |
---|
| 575 | try: |
---|
| 576 | f = open(file, "r") |
---|
| 577 | for line in f: |
---|
| 578 | lineno += 1 |
---|
| 579 | line = line.strip() |
---|
| 580 | if line.startswith('#') or len(line) == 0: |
---|
| 581 | continue |
---|
| 582 | try: |
---|
| 583 | label, url = line.split(':', 1) |
---|
| 584 | self.tbmap[label] = url |
---|
| 585 | except ValueError, e: |
---|
| 586 | self.log.warn("[read_mapdb] Ignored bad line (%d) in " +\ |
---|
| 587 | "map db: %s %s" % (lineno, line, e)) |
---|
[d3c8759] | 588 | except EnvironmentError, e: |
---|
[866c983] | 589 | self.log.warning("[read_mapdb]: No saved map database: Can't " +\ |
---|
| 590 | "open %s: %s" % (file, e)) |
---|
| 591 | f.close() |
---|
[2761484] | 592 | |
---|
| 593 | def read_store(self): |
---|
| 594 | try: |
---|
| 595 | self.synch_store = synch_store() |
---|
| 596 | self.synch_store.load(self.store_filename) |
---|
| 597 | self.log.debug("[read_store]: Read store from %s" % \ |
---|
| 598 | self.store_filename) |
---|
[d3c8759] | 599 | except EnvironmentError, e: |
---|
[2761484] | 600 | self.log.warning("[read_store]: No saved store: Can't open %s: %s"\ |
---|
| 601 | % (self.state_filename, e)) |
---|
| 602 | self.synch_store = synch_store() |
---|
| 603 | |
---|
| 604 | # Set the initial permissions on data in the store. XXX: This ad hoc |
---|
| 605 | # authorization attribute initialization is getting out of hand. |
---|
[7206e5a] | 606 | # XXX: legacy |
---|
| 607 | if self.auth_type == 'legacy': |
---|
| 608 | for k in self.synch_store.all_keys(): |
---|
| 609 | try: |
---|
| 610 | if k.startswith('fedid:'): |
---|
| 611 | fid = fedid(hexstr=k[6:46]) |
---|
| 612 | if self.state.has_key(fid): |
---|
| 613 | for a in self.get_alloc_ids(self.state[fid]): |
---|
| 614 | self.auth.set_attribute(a, k) |
---|
| 615 | except ValueError, e: |
---|
| 616 | self.log.warn("Cannot deduce permissions for %s" % k) |
---|
[2761484] | 617 | |
---|
| 618 | |
---|
| 619 | def write_store(self): |
---|
| 620 | """ |
---|
| 621 | Write a new copy of synch_store after writing current state |
---|
| 622 | to a backup. We use the internal synch_store pickle method to avoid |
---|
| 623 | incinsistent data. |
---|
| 624 | |
---|
| 625 | State format is a simple pickling of the store. |
---|
| 626 | """ |
---|
| 627 | if os.access(self.store_filename, os.W_OK): |
---|
| 628 | copy_file(self.store_filename, \ |
---|
| 629 | "%s.bak" % self.store_filename) |
---|
| 630 | try: |
---|
| 631 | self.synch_store.save(self.store_filename) |
---|
[d3c8759] | 632 | except EnvironmentError, e: |
---|
[2761484] | 633 | self.log.error("Can't write file %s: %s" % \ |
---|
| 634 | (self.store_filename, e)) |
---|
| 635 | except TypeError, e: |
---|
| 636 | self.log.error("Pickling problem (TypeError): %s" % e) |
---|
| 637 | |
---|
[866c983] | 638 | |
---|
[6679c122] | 639 | def generate_ssh_keys(self, dest, type="rsa" ): |
---|
[866c983] | 640 | """ |
---|
| 641 | Generate a set of keys for the gateways to use to talk. |
---|
| 642 | |
---|
| 643 | Keys are of type type and are stored in the required dest file. |
---|
| 644 | """ |
---|
| 645 | valid_types = ("rsa", "dsa") |
---|
| 646 | t = type.lower(); |
---|
| 647 | if t not in valid_types: raise ValueError |
---|
| 648 | cmd = [self.ssh_keygen, '-t', t, '-N', '', '-f', dest] |
---|
| 649 | |
---|
| 650 | try: |
---|
| 651 | trace = open("/dev/null", "w") |
---|
[d3c8759] | 652 | except EnvironmentError: |
---|
[866c983] | 653 | raise service_error(service_error.internal, |
---|
| 654 | "Cannot open /dev/null??"); |
---|
| 655 | |
---|
| 656 | # May raise CalledProcessError |
---|
| 657 | self.log.debug("[generate_ssh_keys]: %s" % " ".join(cmd)) |
---|
[4ea1e22] | 658 | rv = call(cmd, stdout=trace, stderr=trace, close_fds=True) |
---|
[866c983] | 659 | if rv != 0: |
---|
| 660 | raise service_error(service_error.internal, |
---|
| 661 | "Cannot generate nonce ssh keys. %s return code %d" \ |
---|
| 662 | % (self.ssh_keygen, rv)) |
---|
[6679c122] | 663 | |
---|
[0d830de] | 664 | def gentopo(self, str): |
---|
[866c983] | 665 | """ |
---|
| 666 | Generate the topology dtat structure from the splitter's XML |
---|
| 667 | representation of it. |
---|
| 668 | |
---|
| 669 | The topology XML looks like: |
---|
| 670 | <experiment> |
---|
| 671 | <nodes> |
---|
| 672 | <node><vname></vname><ips>ip1:ip2</ips></node> |
---|
| 673 | </nodes> |
---|
| 674 | <lans> |
---|
| 675 | <lan> |
---|
| 676 | <vname></vname><vnode></vnode><ip></ip> |
---|
| 677 | <bandwidth></bandwidth><member>node:port</member> |
---|
| 678 | </lan> |
---|
| 679 | </lans> |
---|
| 680 | """ |
---|
| 681 | class topo_parse: |
---|
| 682 | """ |
---|
| 683 | Parse the topology XML and create the dats structure. |
---|
| 684 | """ |
---|
| 685 | def __init__(self): |
---|
| 686 | # Typing of the subelements for data conversion |
---|
| 687 | self.str_subelements = ('vname', 'vnode', 'ips', 'ip', 'member') |
---|
| 688 | self.int_subelements = ( 'bandwidth',) |
---|
| 689 | self.float_subelements = ( 'delay',) |
---|
| 690 | # The final data structure |
---|
| 691 | self.nodes = [ ] |
---|
| 692 | self.lans = [ ] |
---|
| 693 | self.topo = { \ |
---|
| 694 | 'node': self.nodes,\ |
---|
| 695 | 'lan' : self.lans,\ |
---|
| 696 | } |
---|
| 697 | self.element = { } # Current element being created |
---|
| 698 | self.chars = "" # Last text seen |
---|
| 699 | |
---|
| 700 | def end_element(self, name): |
---|
| 701 | # After each sub element the contents is added to the current |
---|
| 702 | # element or to the appropriate list. |
---|
| 703 | if name == 'node': |
---|
| 704 | self.nodes.append(self.element) |
---|
| 705 | self.element = { } |
---|
| 706 | elif name == 'lan': |
---|
| 707 | self.lans.append(self.element) |
---|
| 708 | self.element = { } |
---|
| 709 | elif name in self.str_subelements: |
---|
| 710 | self.element[name] = self.chars |
---|
| 711 | self.chars = "" |
---|
| 712 | elif name in self.int_subelements: |
---|
| 713 | self.element[name] = int(self.chars) |
---|
| 714 | self.chars = "" |
---|
| 715 | elif name in self.float_subelements: |
---|
| 716 | self.element[name] = float(self.chars) |
---|
| 717 | self.chars = "" |
---|
| 718 | |
---|
| 719 | def found_chars(self, data): |
---|
| 720 | self.chars += data.rstrip() |
---|
| 721 | |
---|
| 722 | |
---|
| 723 | tp = topo_parse(); |
---|
| 724 | parser = xml.parsers.expat.ParserCreate() |
---|
| 725 | parser.EndElementHandler = tp.end_element |
---|
| 726 | parser.CharacterDataHandler = tp.found_chars |
---|
| 727 | |
---|
| 728 | parser.Parse(str) |
---|
| 729 | |
---|
| 730 | return tp.topo |
---|
| 731 | |
---|
[0d830de] | 732 | |
---|
| 733 | def genviz(self, topo): |
---|
[866c983] | 734 | """ |
---|
| 735 | Generate the visualization the virtual topology |
---|
| 736 | """ |
---|
| 737 | |
---|
| 738 | neato = "/usr/local/bin/neato" |
---|
| 739 | # These are used to parse neato output and to create the visualization |
---|
| 740 | # file. |
---|
[0ac1934] | 741 | vis_re = re.compile('^\s*"?([\w\-]+)"?\s+\[.*pos="([\d\.]+),([\d\.]+)"') |
---|
[866c983] | 742 | vis_fmt = "<node><name>%s</name><x>%s</x><y>%s</y><type>" + \ |
---|
| 743 | "%s</type></node>" |
---|
| 744 | |
---|
| 745 | try: |
---|
| 746 | # Node names |
---|
| 747 | nodes = [ n['vname'] for n in topo['node'] ] |
---|
| 748 | topo_lans = topo['lan'] |
---|
[cc8d8e9] | 749 | except KeyError, e: |
---|
| 750 | raise service_error(service_error.internal, "Bad topology: %s" %e) |
---|
[866c983] | 751 | |
---|
| 752 | lans = { } |
---|
| 753 | links = { } |
---|
| 754 | |
---|
| 755 | # Walk through the virtual topology, organizing the connections into |
---|
| 756 | # 2-node connections (links) and more-than-2-node connections (lans). |
---|
| 757 | # When a lan is created, it's added to the list of nodes (there's a |
---|
| 758 | # node in the visualization for the lan). |
---|
| 759 | for l in topo_lans: |
---|
| 760 | if links.has_key(l['vname']): |
---|
| 761 | if len(links[l['vname']]) < 2: |
---|
| 762 | links[l['vname']].append(l['vnode']) |
---|
| 763 | else: |
---|
| 764 | nodes.append(l['vname']) |
---|
| 765 | lans[l['vname']] = links[l['vname']] |
---|
| 766 | del links[l['vname']] |
---|
| 767 | lans[l['vname']].append(l['vnode']) |
---|
| 768 | elif lans.has_key(l['vname']): |
---|
| 769 | lans[l['vname']].append(l['vnode']) |
---|
| 770 | else: |
---|
| 771 | links[l['vname']] = [ l['vnode'] ] |
---|
| 772 | |
---|
| 773 | |
---|
| 774 | # Open up a temporary file for dot to turn into a visualization |
---|
| 775 | try: |
---|
| 776 | df, dotname = tempfile.mkstemp() |
---|
| 777 | dotfile = os.fdopen(df, 'w') |
---|
[d3c8759] | 778 | except EnvironmentError: |
---|
[866c983] | 779 | raise service_error(service_error.internal, |
---|
| 780 | "Failed to open file in genviz") |
---|
| 781 | |
---|
[db6b092] | 782 | try: |
---|
| 783 | dnull = open('/dev/null', 'w') |
---|
[d3c8759] | 784 | except EnvironmentError: |
---|
[db6b092] | 785 | service_error(service_error.internal, |
---|
[886307f] | 786 | "Failed to open /dev/null in genviz") |
---|
| 787 | |
---|
[866c983] | 788 | # Generate a dot/neato input file from the links, nodes and lans |
---|
| 789 | try: |
---|
| 790 | print >>dotfile, "graph G {" |
---|
| 791 | for n in nodes: |
---|
| 792 | print >>dotfile, '\t"%s"' % n |
---|
| 793 | for l in links.keys(): |
---|
| 794 | print >>dotfile, '\t"%s" -- "%s"' % tuple(links[l]) |
---|
| 795 | for l in lans.keys(): |
---|
| 796 | for n in lans[l]: |
---|
| 797 | print >>dotfile, '\t "%s" -- "%s"' % (n,l) |
---|
| 798 | print >>dotfile, "}" |
---|
| 799 | dotfile.close() |
---|
| 800 | except TypeError: |
---|
| 801 | raise service_error(service_error.internal, |
---|
| 802 | "Single endpoint link in vtopo") |
---|
[d3c8759] | 803 | except EnvironmentError: |
---|
[866c983] | 804 | raise service_error(service_error.internal, "Cannot write dot file") |
---|
| 805 | |
---|
| 806 | # Use dot to create a visualization |
---|
| 807 | dot = Popen([neato, '-Gstart=rand', '-Gepsilon=0.005', '-Gmaxiter=2000', |
---|
[886307f] | 808 | '-Gpack=true', dotname], stdout=PIPE, stderr=dnull, |
---|
[db6b092] | 809 | close_fds=True) |
---|
| 810 | dnull.close() |
---|
[866c983] | 811 | |
---|
| 812 | # Translate dot to vis format |
---|
| 813 | vis_nodes = [ ] |
---|
| 814 | vis = { 'node': vis_nodes } |
---|
| 815 | for line in dot.stdout: |
---|
| 816 | m = vis_re.match(line) |
---|
| 817 | if m: |
---|
| 818 | vn = m.group(1) |
---|
| 819 | vis_node = {'name': vn, \ |
---|
| 820 | 'x': float(m.group(2)),\ |
---|
| 821 | 'y' : float(m.group(3)),\ |
---|
| 822 | } |
---|
| 823 | if vn in links.keys() or vn in lans.keys(): |
---|
| 824 | vis_node['type'] = 'lan' |
---|
| 825 | else: |
---|
| 826 | vis_node['type'] = 'node' |
---|
| 827 | vis_nodes.append(vis_node) |
---|
| 828 | rv = dot.wait() |
---|
| 829 | |
---|
| 830 | os.remove(dotname) |
---|
| 831 | if rv == 0 : return vis |
---|
| 832 | else: return None |
---|
[d0ae12d] | 833 | |
---|
[fd07c48] | 834 | def get_access(self, tb, nodes, tbparam, access_user, masters, tbmap): |
---|
[866c983] | 835 | """ |
---|
| 836 | Get access to testbed through fedd and set the parameters for that tb |
---|
| 837 | """ |
---|
[43197eb] | 838 | def get_export_project(svcs): |
---|
| 839 | """ |
---|
| 840 | Look through for the list of federated_service for this testbed |
---|
| 841 | objects for a project_export service, and extract the project |
---|
| 842 | parameter. |
---|
| 843 | """ |
---|
| 844 | |
---|
| 845 | pe = [s for s in svcs if s.name=='project_export'] |
---|
| 846 | if len(pe) == 1: |
---|
| 847 | return pe[0].params.get('project', None) |
---|
| 848 | elif len(pe) == 0: |
---|
| 849 | return None |
---|
| 850 | else: |
---|
| 851 | raise service_error(service_error.req, |
---|
| 852 | "More than one project export is not supported") |
---|
| 853 | |
---|
[fd07c48] | 854 | uri = tbmap.get(testbed_base(tb), None) |
---|
[866c983] | 855 | if not uri: |
---|
[b78c9ea] | 856 | raise service_error(service_error.server_config, |
---|
[866c983] | 857 | "Unknown testbed: %s" % tb) |
---|
| 858 | |
---|
[43197eb] | 859 | export_svcs = masters.get(tb,[]) |
---|
| 860 | import_svcs = [ s for m in masters.values() \ |
---|
| 861 | for s in m \ |
---|
| 862 | if tb in s.importers ] |
---|
| 863 | |
---|
| 864 | export_project = get_export_project(export_svcs) |
---|
| 865 | |
---|
[8218a3b] | 866 | # Tweak search order so that if there are entries in access_user that |
---|
| 867 | # have a project matching the export project, we try them first |
---|
[5f6929a] | 868 | if export_project: |
---|
| 869 | access_sequence = [ (p, u) for p, u in access_user \ |
---|
| 870 | if p == export_project] |
---|
| 871 | access_sequence.extend([(p, u) for p, u in access_user \ |
---|
| 872 | if p != export_project]) |
---|
[8218a3b] | 873 | else: |
---|
| 874 | access_sequence = access_user |
---|
| 875 | |
---|
| 876 | for p, u in access_sequence: |
---|
[866c983] | 877 | self.log.debug(("[get_access] Attempting access from (%s, %s) " + \ |
---|
| 878 | "to %s") % ((p or "None"), u, uri)) |
---|
| 879 | |
---|
| 880 | if p: |
---|
| 881 | # Request with user and project specified |
---|
| 882 | req = {\ |
---|
[3bddd24] | 883 | 'credential': [ "project: %s" % p, "user: %s" % u], |
---|
[866c983] | 884 | } |
---|
| 885 | else: |
---|
| 886 | # Request with only user specified |
---|
| 887 | req = {\ |
---|
[3bddd24] | 888 | 'credential': [ 'user: %s' % u ], |
---|
[866c983] | 889 | } |
---|
| 890 | |
---|
[43197eb] | 891 | # Make the service request from the services we're importing and |
---|
| 892 | # exporting. Keep track of the export request ids so we can |
---|
| 893 | # collect the resulting info from the access response. |
---|
| 894 | e_keys = { } |
---|
| 895 | if import_svcs or export_svcs: |
---|
| 896 | req['service'] = [ ] |
---|
| 897 | |
---|
| 898 | for i, s in enumerate(import_svcs): |
---|
| 899 | idx = 'import%d' % i |
---|
| 900 | sr = {'id': idx, 'name': s.name, 'visibility': 'import' } |
---|
| 901 | if s.params: |
---|
| 902 | sr['fedAttr'] = [ { 'attribute': k, 'value': v } \ |
---|
| 903 | for k, v in s.params.items()] |
---|
| 904 | req['service'].append(sr) |
---|
| 905 | |
---|
| 906 | for i, s in enumerate(export_svcs): |
---|
| 907 | idx = 'export%d' % i |
---|
| 908 | e_keys[idx] = s |
---|
| 909 | sr = {'id': idx, 'name': s.name, 'visibility': 'export' } |
---|
| 910 | if s.params: |
---|
| 911 | sr['fedAttr'] = [ { 'attribute': k, 'value': v } |
---|
| 912 | for k, v in s.params.items()] |
---|
| 913 | req['service'].append(sr) |
---|
[866c983] | 914 | |
---|
| 915 | # node resources if any |
---|
| 916 | if nodes != None and len(nodes) > 0: |
---|
| 917 | rnodes = [ ] |
---|
| 918 | for n in nodes: |
---|
| 919 | rn = { } |
---|
| 920 | image, hw, count = n.split(":") |
---|
| 921 | if image: rn['image'] = [ image ] |
---|
| 922 | if hw: rn['hardware'] = [ hw ] |
---|
| 923 | if count and int(count) >0 : rn['count'] = int(count) |
---|
| 924 | rnodes.append(rn) |
---|
| 925 | req['resources']= { } |
---|
| 926 | req['resources']['node'] = rnodes |
---|
| 927 | |
---|
| 928 | try: |
---|
| 929 | if self.local_access.has_key(uri): |
---|
| 930 | # Local access call |
---|
| 931 | req = { 'RequestAccessRequestBody' : req } |
---|
| 932 | r = self.local_access[uri].RequestAccess(req, |
---|
| 933 | fedid(file=self.cert_file)) |
---|
| 934 | r = { 'RequestAccessResponseBody' : r } |
---|
| 935 | else: |
---|
| 936 | r = self.call_RequestAccess(uri, req, |
---|
| 937 | self.cert_file, self.cert_pwd, self.trusted_certs) |
---|
| 938 | except service_error, e: |
---|
| 939 | if e.code == service_error.access: |
---|
| 940 | self.log.debug("[get_access] Access denied") |
---|
| 941 | r = None |
---|
| 942 | continue |
---|
| 943 | else: |
---|
| 944 | raise e |
---|
| 945 | |
---|
[e19b75c] | 946 | if r.has_key('RequestAccessResponseBody'): |
---|
| 947 | # Through to here we have a valid response, not a fault. |
---|
| 948 | # Access denied is a fault, so something better or worse than |
---|
| 949 | # access denied has happened. |
---|
| 950 | r = r['RequestAccessResponseBody'] |
---|
| 951 | self.log.debug("[get_access] Access granted") |
---|
| 952 | break |
---|
| 953 | else: |
---|
| 954 | raise service_error(service_error.protocol, |
---|
| 955 | "Bad proxy response") |
---|
| 956 | |
---|
| 957 | if not r: |
---|
| 958 | raise service_error(service_error.access, |
---|
| 959 | "Access denied by %s (%s)" % (tb, uri)) |
---|
[db6b092] | 960 | |
---|
[4afcfc4] | 961 | tbparam[tb] = { |
---|
[69692a9] | 962 | "allocID" : r['allocID'], |
---|
| 963 | "uri": uri, |
---|
[4afcfc4] | 964 | } |
---|
[43197eb] | 965 | |
---|
| 966 | # Collect the responses corresponding to the services this testbed |
---|
| 967 | # exports. These will be the service requests that we will include in |
---|
| 968 | # the start segment requests (with appropriate visibility values) to |
---|
| 969 | # import and export the segments. |
---|
| 970 | for s in r.get('service', []): |
---|
| 971 | id = s.get('id', None) |
---|
| 972 | if id and id in e_keys: |
---|
| 973 | e_keys[id].reqs.append(s) |
---|
[4afcfc4] | 974 | |
---|
| 975 | # Add attributes to parameter space. We don't allow attributes to |
---|
| 976 | # overlay any parameters already installed. |
---|
[617592b] | 977 | for a in r.get('fedAttr', []): |
---|
[4afcfc4] | 978 | try: |
---|
| 979 | if a['attribute'] and \ |
---|
| 980 | isinstance(a['attribute'], basestring)\ |
---|
| 981 | and not tbparam[tb].has_key(a['attribute'].lower()): |
---|
| 982 | tbparam[tb][a['attribute'].lower()] = a['value'] |
---|
| 983 | except KeyError: |
---|
| 984 | self.log.error("Bad attribute in response: %s" % a) |
---|
[db6b092] | 985 | |
---|
[fd07c48] | 986 | def release_access(self, tb, aid, tbmap=None, uri=None): |
---|
[e19b75c] | 987 | """ |
---|
| 988 | Release access to testbed through fedd |
---|
| 989 | """ |
---|
[db6b092] | 990 | |
---|
[fd07c48] | 991 | if not uri and tbmap: |
---|
| 992 | uri = tbmap.get(tb, None) |
---|
[e19b75c] | 993 | if not uri: |
---|
[69692a9] | 994 | raise service_error(service_error.server_config, |
---|
[e19b75c] | 995 | "Unknown testbed: %s" % tb) |
---|
[db6b092] | 996 | |
---|
[e19b75c] | 997 | if self.local_access.has_key(uri): |
---|
| 998 | resp = self.local_access[uri].ReleaseAccess(\ |
---|
| 999 | { 'ReleaseAccessRequestBody' : {'allocID': aid},}, |
---|
| 1000 | fedid(file=self.cert_file)) |
---|
| 1001 | resp = { 'ReleaseAccessResponseBody': resp } |
---|
| 1002 | else: |
---|
| 1003 | resp = self.call_ReleaseAccess(uri, {'allocID': aid}, |
---|
| 1004 | self.cert_file, self.cert_pwd, self.trusted_certs) |
---|
[db6b092] | 1005 | |
---|
[e19b75c] | 1006 | # better error coding |
---|
[db6b092] | 1007 | |
---|
[5f6929a] | 1008 | def remote_ns2topdl(self, uri, desc): |
---|
[db6b092] | 1009 | |
---|
[e19b75c] | 1010 | req = { |
---|
| 1011 | 'description' : { 'ns2description': desc }, |
---|
[db6b092] | 1012 | } |
---|
| 1013 | |
---|
[5f6929a] | 1014 | r = self.call_Ns2Topdl(uri, req, self.cert_file, self.cert_pwd, |
---|
[e19b75c] | 1015 | self.trusted_certs) |
---|
| 1016 | |
---|
[5f6929a] | 1017 | if r.has_key('Ns2TopdlResponseBody'): |
---|
| 1018 | r = r['Ns2TopdlResponseBody'] |
---|
[1dcaff4] | 1019 | ed = r.get('experimentdescription', None) |
---|
| 1020 | if ed.has_key('topdldescription'): |
---|
| 1021 | return topdl.Topology(**ed['topdldescription']) |
---|
[e19b75c] | 1022 | else: |
---|
| 1023 | raise service_error(service_error.protocol, |
---|
| 1024 | "Bad splitter response (no output)") |
---|
| 1025 | else: |
---|
| 1026 | raise service_error(service_error.protocol, "Bad splitter response") |
---|
[cc8d8e9] | 1027 | |
---|
[e19b75c] | 1028 | class start_segment: |
---|
[fd556d1] | 1029 | def __init__(self, debug=False, log=None, testbed="", cert_file=None, |
---|
[f07fa49] | 1030 | cert_pwd=None, trusted_certs=None, caller=None, |
---|
| 1031 | log_collector=None): |
---|
[cc8d8e9] | 1032 | self.log = log |
---|
| 1033 | self.debug = debug |
---|
| 1034 | self.cert_file = cert_file |
---|
| 1035 | self.cert_pwd = cert_pwd |
---|
| 1036 | self.trusted_certs = None |
---|
| 1037 | self.caller = caller |
---|
[fd556d1] | 1038 | self.testbed = testbed |
---|
[f07fa49] | 1039 | self.log_collector = log_collector |
---|
[69692a9] | 1040 | self.response = None |
---|
[b4b19c7] | 1041 | self.node = { } |
---|
| 1042 | |
---|
| 1043 | def make_map(self, resp): |
---|
[c5869ef] | 1044 | for e in resp.get('embedding', []): |
---|
| 1045 | if 'toponame' in e and 'physname' in e: |
---|
| 1046 | self.node[e['toponame']] = e['physname'][0] |
---|
[cc8d8e9] | 1047 | |
---|
[43197eb] | 1048 | def __call__(self, uri, aid, topo, masters, attrs=None, connInfo=None): |
---|
[cc8d8e9] | 1049 | req = { |
---|
| 1050 | 'allocID': { 'fedid' : aid }, |
---|
| 1051 | 'segmentdescription': { |
---|
| 1052 | 'topdldescription': topo.to_dict(), |
---|
| 1053 | }, |
---|
| 1054 | } |
---|
[e02cd14] | 1055 | |
---|
| 1056 | if connInfo: |
---|
| 1057 | req['connection'] = connInfo |
---|
[43197eb] | 1058 | |
---|
| 1059 | import_svcs = [ s for m in masters.values() \ |
---|
| 1060 | for s in m if self.testbed in s.importers] |
---|
| 1061 | |
---|
| 1062 | if import_svcs or self.testbed in masters: |
---|
| 1063 | req['service'] = [] |
---|
| 1064 | |
---|
| 1065 | for s in import_svcs: |
---|
| 1066 | for r in s.reqs: |
---|
| 1067 | sr = copy.deepcopy(r) |
---|
| 1068 | sr['visibility'] = 'import'; |
---|
| 1069 | req['service'].append(sr) |
---|
| 1070 | |
---|
| 1071 | for s in masters.get(self.testbed, []): |
---|
| 1072 | for r in s.reqs: |
---|
| 1073 | sr = copy.deepcopy(r) |
---|
| 1074 | sr['visibility'] = 'export'; |
---|
| 1075 | req['service'].append(sr) |
---|
| 1076 | |
---|
[6c57fe9] | 1077 | if attrs: |
---|
| 1078 | req['fedAttr'] = attrs |
---|
[cc8d8e9] | 1079 | |
---|
[fd556d1] | 1080 | try: |
---|
[13e3dd2] | 1081 | self.log.debug("Calling StartSegment at %s " % uri) |
---|
[fd556d1] | 1082 | r = self.caller(uri, req, self.cert_file, self.cert_pwd, |
---|
| 1083 | self.trusted_certs) |
---|
[f07fa49] | 1084 | if r.has_key('StartSegmentResponseBody'): |
---|
| 1085 | lval = r['StartSegmentResponseBody'].get('allocationLog', |
---|
| 1086 | None) |
---|
| 1087 | if lval and self.log_collector: |
---|
| 1088 | for line in lval.splitlines(True): |
---|
| 1089 | self.log_collector.write(line) |
---|
[b4b19c7] | 1090 | self.make_map(r['StartSegmentResponseBody']) |
---|
[69692a9] | 1091 | self.response = r |
---|
[f07fa49] | 1092 | else: |
---|
| 1093 | raise service_error(service_error.internal, |
---|
| 1094 | "Bad response!?: %s" %r) |
---|
[fd556d1] | 1095 | return True |
---|
| 1096 | except service_error, e: |
---|
| 1097 | self.log.error("Start segment failed on %s: %s" % \ |
---|
| 1098 | (self.testbed, e)) |
---|
| 1099 | return False |
---|
[cc8d8e9] | 1100 | |
---|
| 1101 | |
---|
[5ae3857] | 1102 | |
---|
[e19b75c] | 1103 | class terminate_segment: |
---|
[fd556d1] | 1104 | def __init__(self, debug=False, log=None, testbed="", cert_file=None, |
---|
[5ae3857] | 1105 | cert_pwd=None, trusted_certs=None, caller=None): |
---|
| 1106 | self.log = log |
---|
| 1107 | self.debug = debug |
---|
| 1108 | self.cert_file = cert_file |
---|
| 1109 | self.cert_pwd = cert_pwd |
---|
| 1110 | self.trusted_certs = None |
---|
| 1111 | self.caller = caller |
---|
[fd556d1] | 1112 | self.testbed = testbed |
---|
[5ae3857] | 1113 | |
---|
| 1114 | def __call__(self, uri, aid ): |
---|
| 1115 | req = { |
---|
| 1116 | 'allocID': aid , |
---|
| 1117 | } |
---|
[fd556d1] | 1118 | try: |
---|
| 1119 | r = self.caller(uri, req, self.cert_file, self.cert_pwd, |
---|
| 1120 | self.trusted_certs) |
---|
| 1121 | return True |
---|
| 1122 | except service_error, e: |
---|
| 1123 | self.log.error("Terminate segment failed on %s: %s" % \ |
---|
| 1124 | (self.testbed, e)) |
---|
| 1125 | return False |
---|
[db6b092] | 1126 | |
---|
| 1127 | |
---|
[43197eb] | 1128 | def allocate_resources(self, allocated, masters, eid, expid, |
---|
[b4b19c7] | 1129 | tbparams, top, topo, tmpdir, alloc_log=None, log_collector=None, |
---|
[c573278] | 1130 | attrs=None, connInfo={}, tbmap=None, expcert=None): |
---|
[69692a9] | 1131 | |
---|
[cc8d8e9] | 1132 | started = { } # Testbeds where a sub-experiment started |
---|
| 1133 | # successfully |
---|
| 1134 | |
---|
| 1135 | # XXX |
---|
| 1136 | fail_soft = False |
---|
| 1137 | |
---|
[fd07c48] | 1138 | if tbmap is None: tbmap = { } |
---|
| 1139 | |
---|
[cc8d8e9] | 1140 | log = alloc_log or self.log |
---|
| 1141 | |
---|
| 1142 | thread_pool = self.thread_pool(self.nthreads) |
---|
| 1143 | threads = [ ] |
---|
[b4b19c7] | 1144 | starters = [ ] |
---|
[cc8d8e9] | 1145 | |
---|
[c573278] | 1146 | if expcert: |
---|
| 1147 | cert = expcert |
---|
| 1148 | pw = None |
---|
| 1149 | else: |
---|
| 1150 | cert = self.cert_file |
---|
| 1151 | pw = self.cert_pw |
---|
| 1152 | |
---|
[109a32a] | 1153 | for tb in allocated.keys(): |
---|
| 1154 | # Create and start a thread to start the segment, and save it |
---|
| 1155 | # to get the return value later |
---|
[ab847bc] | 1156 | tb_attrs = copy.copy(attrs) |
---|
[109a32a] | 1157 | thread_pool.wait_for_slot() |
---|
[fd07c48] | 1158 | uri = tbparams[tb].get('uri', tbmap.get(testbed_base(tb), None)) |
---|
[ab847bc] | 1159 | base, suffix = split_testbed(tb) |
---|
| 1160 | if suffix: |
---|
| 1161 | tb_attrs.append({'attribute': 'experiment_name', |
---|
[175b444] | 1162 | 'value': "%s-%s" % (eid, suffix)}) |
---|
[ab847bc] | 1163 | else: |
---|
| 1164 | tb_attrs.append({'attribute': 'experiment_name', 'value': eid}) |
---|
[109a32a] | 1165 | if not uri: |
---|
| 1166 | raise service_error(service_error.internal, |
---|
| 1167 | "Unknown testbed %s !?" % tb) |
---|
| 1168 | |
---|
[cc8d8e9] | 1169 | if tbparams[tb].has_key('allocID') and \ |
---|
| 1170 | tbparams[tb]['allocID'].has_key('fedid'): |
---|
| 1171 | aid = tbparams[tb]['allocID']['fedid'] |
---|
| 1172 | else: |
---|
| 1173 | raise service_error(service_error.internal, |
---|
| 1174 | "No alloc id for testbed %s !?" % tb) |
---|
| 1175 | |
---|
[b4b19c7] | 1176 | s = self.start_segment(log=log, debug=self.debug, |
---|
[c573278] | 1177 | testbed=tb, cert_file=cert, |
---|
| 1178 | cert_pwd=pw, trusted_certs=self.trusted_certs, |
---|
[b4b19c7] | 1179 | caller=self.call_StartSegment, |
---|
| 1180 | log_collector=log_collector) |
---|
| 1181 | starters.append(s) |
---|
[109a32a] | 1182 | t = self.pooled_thread(\ |
---|
[b4b19c7] | 1183 | target=s, name=tb, |
---|
[ab847bc] | 1184 | args=(uri, aid, topo[tb], masters, tb_attrs, connInfo[tb]), |
---|
[109a32a] | 1185 | pdata=thread_pool, trace_file=self.trace_file) |
---|
[69692a9] | 1186 | threads.append(t) |
---|
| 1187 | t.start() |
---|
[cc8d8e9] | 1188 | |
---|
[109a32a] | 1189 | # Wait until all finish (keep pinging the log, though) |
---|
| 1190 | mins = 0 |
---|
[dadc4da] | 1191 | revoked = False |
---|
[109a32a] | 1192 | while not thread_pool.wait_for_all_done(60.0): |
---|
| 1193 | mins += 1 |
---|
| 1194 | alloc_log.info("Waiting for sub threads (it has been %d mins)" \ |
---|
| 1195 | % mins) |
---|
[dadc4da] | 1196 | if not revoked and \ |
---|
[f52f5df] | 1197 | len([ t.getName() for t in threads if t.rv == False]) > 0: |
---|
[dadc4da] | 1198 | # a testbed has failed. Revoke this experiment's |
---|
| 1199 | # synchronizarion values so that sub experiments will not |
---|
| 1200 | # deadlock waiting for synchronization that will never happen |
---|
| 1201 | self.log.info("A subexperiment has failed to swap in, " + \ |
---|
| 1202 | "revoking synch keys") |
---|
| 1203 | var_key = "fedid:%s" % expid |
---|
| 1204 | for k in self.synch_store.all_keys(): |
---|
| 1205 | if len(k) > 45 and k[0:46] == var_key: |
---|
| 1206 | self.synch_store.revoke_key(k) |
---|
| 1207 | revoked = True |
---|
[69692a9] | 1208 | |
---|
[cc8d8e9] | 1209 | failed = [ t.getName() for t in threads if not t.rv ] |
---|
| 1210 | succeeded = [tb for tb in allocated.keys() if tb not in failed] |
---|
[3132419] | 1211 | |
---|
[cc8d8e9] | 1212 | # If one failed clean up, unless fail_soft is set |
---|
[32e7d93] | 1213 | if failed: |
---|
[cc8d8e9] | 1214 | if not fail_soft: |
---|
| 1215 | thread_pool.clear() |
---|
| 1216 | for tb in succeeded: |
---|
| 1217 | # Create and start a thread to stop the segment |
---|
| 1218 | thread_pool.wait_for_slot() |
---|
[0fa1729] | 1219 | uri = tbparams[tb]['uri'] |
---|
[cc8d8e9] | 1220 | t = self.pooled_thread(\ |
---|
[32e7d93] | 1221 | target=self.terminate_segment(log=log, |
---|
[fd556d1] | 1222 | testbed=tb, |
---|
[32e7d93] | 1223 | cert_file=self.cert_file, |
---|
| 1224 | cert_pwd=self.cert_pwd, |
---|
| 1225 | trusted_certs=self.trusted_certs, |
---|
| 1226 | caller=self.call_TerminateSegment), |
---|
| 1227 | args=(uri, tbparams[tb]['federant']['allocID']), |
---|
| 1228 | name=tb, |
---|
[cc8d8e9] | 1229 | pdata=thread_pool, trace_file=self.trace_file) |
---|
| 1230 | t.start() |
---|
[f52f5df] | 1231 | # Wait until all finish (if any are being stopped) |
---|
| 1232 | if succeeded: |
---|
| 1233 | thread_pool.wait_for_all_done() |
---|
[cc8d8e9] | 1234 | |
---|
| 1235 | # release the allocations |
---|
| 1236 | for tb in tbparams.keys(): |
---|
[fd07c48] | 1237 | self.release_access(tb, tbparams[tb]['allocID'], |
---|
| 1238 | tbmap=tbmap, uri=tbparams[tb].get('uri', None)) |
---|
[cc8d8e9] | 1239 | # Remove the placeholder |
---|
| 1240 | self.state_lock.acquire() |
---|
| 1241 | self.state[eid]['experimentStatus'] = 'failed' |
---|
| 1242 | if self.state_filename: self.write_state() |
---|
| 1243 | self.state_lock.release() |
---|
[05e8da8] | 1244 | # Remove the repo dir |
---|
| 1245 | self.remove_dirs("%s/%s" %(self.repodir, expid)) |
---|
| 1246 | # Walk up tmpdir, deleting as we go |
---|
| 1247 | if self.cleanup: |
---|
| 1248 | self.remove_dirs(tmpdir) |
---|
| 1249 | else: |
---|
| 1250 | log.debug("[start_experiment]: not removing %s" % tmpdir) |
---|
| 1251 | |
---|
[cc8d8e9] | 1252 | |
---|
| 1253 | log.error("Swap in failed on %s" % ",".join(failed)) |
---|
| 1254 | return |
---|
| 1255 | else: |
---|
[b4b19c7] | 1256 | # Walk through the successes and gather the virtual to physical |
---|
| 1257 | # mapping. |
---|
[2fd8f8c] | 1258 | embedding = [ ] |
---|
[b4b19c7] | 1259 | for s in starters: |
---|
[2fd8f8c] | 1260 | for k, v in s.node.items(): |
---|
| 1261 | embedding.append({ |
---|
| 1262 | 'toponame': k, |
---|
| 1263 | 'physname': [ v], |
---|
| 1264 | 'testbed': s.testbed |
---|
| 1265 | }) |
---|
[cc8d8e9] | 1266 | log.info("[start_segment]: Experiment %s active" % eid) |
---|
| 1267 | |
---|
| 1268 | |
---|
| 1269 | # Walk up tmpdir, deleting as we go |
---|
[69692a9] | 1270 | if self.cleanup: |
---|
[05e8da8] | 1271 | self.remove_dirs(tmpdir) |
---|
[69692a9] | 1272 | else: |
---|
| 1273 | log.debug("[start_experiment]: not removing %s" % tmpdir) |
---|
[cc8d8e9] | 1274 | |
---|
[b4b19c7] | 1275 | # Insert the experiment into our state and update the disk copy. |
---|
[cc8d8e9] | 1276 | self.state_lock.acquire() |
---|
| 1277 | self.state[expid]['experimentStatus'] = 'active' |
---|
| 1278 | self.state[eid] = self.state[expid] |
---|
[b4b19c7] | 1279 | self.state[eid]['experimentdescription']['topdldescription'] = \ |
---|
| 1280 | top.to_dict() |
---|
[2fd8f8c] | 1281 | self.state[eid]['embedding'] = embedding |
---|
[cc8d8e9] | 1282 | if self.state_filename: self.write_state() |
---|
| 1283 | self.state_lock.release() |
---|
| 1284 | return |
---|
| 1285 | |
---|
| 1286 | |
---|
[895a133] | 1287 | def add_kit(self, e, kit): |
---|
| 1288 | """ |
---|
| 1289 | Add a Software object created from the list of (install, location) |
---|
| 1290 | tuples passed as kit to the software attribute of an object e. We |
---|
| 1291 | do this enough to break out the code, but it's kind of a hack to |
---|
| 1292 | avoid changing the old tuple rep. |
---|
| 1293 | """ |
---|
| 1294 | |
---|
| 1295 | s = [ topdl.Software(install=i, location=l) for i, l in kit] |
---|
| 1296 | |
---|
| 1297 | if isinstance(e.software, list): e.software.extend(s) |
---|
| 1298 | else: e.software = s |
---|
| 1299 | |
---|
| 1300 | |
---|
[b4b19c7] | 1301 | def create_experiment_state(self, fid, req, expid, expcert, |
---|
[a3ad8bd] | 1302 | state='starting'): |
---|
[895a133] | 1303 | """ |
---|
| 1304 | Create the initial entry in the experiment's state. The expid and |
---|
| 1305 | expcert are the experiment's fedid and certifacte that represents that |
---|
| 1306 | ID, which are installed in the experiment state. If the request |
---|
| 1307 | includes a suggested local name that is used if possible. If the local |
---|
| 1308 | name is already taken by an experiment owned by this user that has |
---|
[a3ad8bd] | 1309 | failed, it is overwritten. Otherwise new letters are added until a |
---|
[895a133] | 1310 | valid localname is found. The generated local name is returned. |
---|
| 1311 | """ |
---|
| 1312 | |
---|
| 1313 | if req.has_key('experimentID') and \ |
---|
| 1314 | req['experimentID'].has_key('localname'): |
---|
| 1315 | overwrite = False |
---|
| 1316 | eid = req['experimentID']['localname'] |
---|
| 1317 | # If there's an old failed experiment here with the same local name |
---|
| 1318 | # and accessible by this user, we'll overwrite it, otherwise we'll |
---|
| 1319 | # fall through and do the collision avoidance. |
---|
| 1320 | old_expid = self.get_experiment_fedid(eid) |
---|
| 1321 | if old_expid and self.check_experiment_access(fid, old_expid): |
---|
| 1322 | self.state_lock.acquire() |
---|
| 1323 | status = self.state[eid].get('experimentStatus', None) |
---|
| 1324 | if status and status == 'failed': |
---|
| 1325 | # remove the old access attribute |
---|
[7206e5a] | 1326 | self.auth.unset_attribute(fid, old_expid) |
---|
| 1327 | self.auth.save() |
---|
[895a133] | 1328 | overwrite = True |
---|
| 1329 | del self.state[eid] |
---|
| 1330 | del self.state[old_expid] |
---|
| 1331 | self.state_lock.release() |
---|
| 1332 | self.state_lock.acquire() |
---|
| 1333 | while (self.state.has_key(eid) and not overwrite): |
---|
| 1334 | eid += random.choice(string.ascii_letters) |
---|
| 1335 | # Initial state |
---|
| 1336 | self.state[eid] = { |
---|
| 1337 | 'experimentID' : \ |
---|
| 1338 | [ { 'localname' : eid }, {'fedid': expid } ], |
---|
[a3ad8bd] | 1339 | 'experimentStatus': state, |
---|
[895a133] | 1340 | 'experimentAccess': { 'X509' : expcert }, |
---|
| 1341 | 'owner': fid, |
---|
| 1342 | 'log' : [], |
---|
| 1343 | } |
---|
| 1344 | self.state[expid] = self.state[eid] |
---|
| 1345 | if self.state_filename: self.write_state() |
---|
| 1346 | self.state_lock.release() |
---|
| 1347 | else: |
---|
| 1348 | eid = self.exp_stem |
---|
| 1349 | for i in range(0,5): |
---|
| 1350 | eid += random.choice(string.ascii_letters) |
---|
| 1351 | self.state_lock.acquire() |
---|
| 1352 | while (self.state.has_key(eid)): |
---|
| 1353 | eid = self.exp_stem |
---|
| 1354 | for i in range(0,5): |
---|
| 1355 | eid += random.choice(string.ascii_letters) |
---|
| 1356 | # Initial state |
---|
| 1357 | self.state[eid] = { |
---|
| 1358 | 'experimentID' : \ |
---|
| 1359 | [ { 'localname' : eid }, {'fedid': expid } ], |
---|
[a3ad8bd] | 1360 | 'experimentStatus': state, |
---|
[895a133] | 1361 | 'experimentAccess': { 'X509' : expcert }, |
---|
| 1362 | 'owner': fid, |
---|
| 1363 | 'log' : [], |
---|
| 1364 | } |
---|
| 1365 | self.state[expid] = self.state[eid] |
---|
| 1366 | if self.state_filename: self.write_state() |
---|
| 1367 | self.state_lock.release() |
---|
| 1368 | |
---|
| 1369 | return eid |
---|
| 1370 | |
---|
| 1371 | |
---|
| 1372 | def allocate_ips_to_topo(self, top): |
---|
| 1373 | """ |
---|
[69692a9] | 1374 | Add an ip4_address attribute to all the hosts in the topology, based on |
---|
[895a133] | 1375 | the shared substrates on which they sit. An /etc/hosts file is also |
---|
[69692a9] | 1376 | created and returned as a list of hostfiles entries. We also return |
---|
| 1377 | the allocator, because we may need to allocate IPs to portals |
---|
| 1378 | (specifically DRAGON portals). |
---|
[895a133] | 1379 | """ |
---|
| 1380 | subs = sorted(top.substrates, |
---|
| 1381 | cmp=lambda x,y: cmp(len(x.interfaces), len(y.interfaces)), |
---|
| 1382 | reverse=True) |
---|
| 1383 | ips = ip_allocator(int(ip_addr("10.0.0.0")), 2 **24) |
---|
| 1384 | ifs = { } |
---|
| 1385 | hosts = [ ] |
---|
| 1386 | |
---|
| 1387 | for idx, s in enumerate(subs): |
---|
[289ff7e] | 1388 | net_size = len(s.interfaces)+2 |
---|
| 1389 | |
---|
| 1390 | a = ips.allocate(net_size) |
---|
[895a133] | 1391 | if a : |
---|
| 1392 | base, num = a |
---|
[289ff7e] | 1393 | if num < net_size: |
---|
[895a133] | 1394 | raise service_error(service_error.internal, |
---|
| 1395 | "Allocator returned wrong number of IPs??") |
---|
| 1396 | else: |
---|
| 1397 | raise service_error(service_error.req, |
---|
| 1398 | "Cannot allocate IP addresses") |
---|
[062b991] | 1399 | mask = ips.min_alloc |
---|
| 1400 | while mask < net_size: |
---|
| 1401 | mask *= 2 |
---|
[289ff7e] | 1402 | |
---|
[062b991] | 1403 | netmask = ((2**32-1) ^ (mask-1)) |
---|
[895a133] | 1404 | |
---|
| 1405 | base += 1 |
---|
| 1406 | for i in s.interfaces: |
---|
| 1407 | i.attribute.append( |
---|
| 1408 | topdl.Attribute('ip4_address', |
---|
| 1409 | "%s" % ip_addr(base))) |
---|
[289ff7e] | 1410 | i.attribute.append( |
---|
| 1411 | topdl.Attribute('ip4_netmask', |
---|
| 1412 | "%s" % ip_addr(int(netmask)))) |
---|
| 1413 | |
---|
[1e7f268] | 1414 | hname = i.element.name |
---|
[895a133] | 1415 | if ifs.has_key(hname): |
---|
| 1416 | hosts.append("%s\t%s-%s %s-%d" % \ |
---|
| 1417 | (ip_addr(base), hname, s.name, hname, |
---|
| 1418 | ifs[hname])) |
---|
| 1419 | else: |
---|
| 1420 | ifs[hname] = 0 |
---|
| 1421 | hosts.append("%s\t%s-%s %s-%d %s" % \ |
---|
| 1422 | (ip_addr(base), hname, s.name, hname, |
---|
| 1423 | ifs[hname], hname)) |
---|
| 1424 | |
---|
| 1425 | ifs[hname] += 1 |
---|
| 1426 | base += 1 |
---|
[69692a9] | 1427 | return hosts, ips |
---|
[895a133] | 1428 | |
---|
[43197eb] | 1429 | def get_access_to_testbeds(self, testbeds, access_user, allocated, |
---|
[fd07c48] | 1430 | tbparams, masters, tbmap): |
---|
[895a133] | 1431 | """ |
---|
| 1432 | Request access to the various testbeds required for this instantiation |
---|
| 1433 | (passed in as testbeds). User, access_user, expoert_project and master |
---|
| 1434 | are used to construct the correct requests. Per-testbed parameters are |
---|
| 1435 | returned in tbparams. |
---|
| 1436 | """ |
---|
| 1437 | for tb in testbeds: |
---|
[fd07c48] | 1438 | self.get_access(tb, None, tbparams, access_user, masters, tbmap) |
---|
[895a133] | 1439 | allocated[tb] = 1 |
---|
| 1440 | |
---|
[6e63513] | 1441 | def get_abac_access_to_testbeds(self, testbeds, fid, allocated, |
---|
[c573278] | 1442 | tbparams, masters, tbmap, expid=None, expcert=None): |
---|
[6e63513] | 1443 | for tb in testbeds: |
---|
[c573278] | 1444 | self.get_abac_access(tb, tbparams, fid, masters, tbmap, expid, |
---|
| 1445 | expcert) |
---|
[6e63513] | 1446 | allocated[tb] = 1 |
---|
| 1447 | |
---|
[c573278] | 1448 | def get_abac_access(self, tb, tbparams,fid, masters, tbmap, expid=None, expcert=None): |
---|
[6e63513] | 1449 | """ |
---|
| 1450 | Get access to testbed through fedd and set the parameters for that tb |
---|
| 1451 | """ |
---|
| 1452 | def get_export_project(svcs): |
---|
| 1453 | """ |
---|
| 1454 | Look through for the list of federated_service for this testbed |
---|
| 1455 | objects for a project_export service, and extract the project |
---|
| 1456 | parameter. |
---|
| 1457 | """ |
---|
| 1458 | |
---|
| 1459 | pe = [s for s in svcs if s.name=='project_export'] |
---|
| 1460 | if len(pe) == 1: |
---|
| 1461 | return pe[0].params.get('project', None) |
---|
| 1462 | elif len(pe) == 0: |
---|
| 1463 | return None |
---|
| 1464 | else: |
---|
| 1465 | raise service_error(service_error.req, |
---|
| 1466 | "More than one project export is not supported") |
---|
| 1467 | |
---|
| 1468 | uri = tbmap.get(testbed_base(tb), None) |
---|
| 1469 | if not uri: |
---|
| 1470 | raise service_error(service_error.server_config, |
---|
| 1471 | "Unknown testbed: %s" % tb) |
---|
| 1472 | |
---|
| 1473 | export_svcs = masters.get(tb,[]) |
---|
| 1474 | import_svcs = [ s for m in masters.values() \ |
---|
| 1475 | for s in m \ |
---|
| 1476 | if tb in s.importers ] |
---|
| 1477 | |
---|
| 1478 | export_project = get_export_project(export_svcs) |
---|
| 1479 | # Compose the credential list so that IDs come before attributes |
---|
| 1480 | creds = set() |
---|
| 1481 | keys = set() |
---|
[c573278] | 1482 | certs = self.auth.get_creds_for_principal(fid) |
---|
| 1483 | if expid: |
---|
| 1484 | print join([ "%s <- %s" % ( c.head().string(), c.tail().string()) \ |
---|
| 1485 | for c in self.auth.get_creds_for_principal(expid)]) |
---|
| 1486 | certs.update(self.auth.get_creds_for_principal(expid)) |
---|
| 1487 | for c in certs: |
---|
[6e63513] | 1488 | keys.add(c.issuer_cert()) |
---|
| 1489 | creds.add(c.attribute_cert()) |
---|
| 1490 | creds = list(keys) + list(creds) |
---|
| 1491 | |
---|
[c573278] | 1492 | if expcert: cert, pw = expcert, None |
---|
| 1493 | else: cert, pw = self.cert_file, self.cert_pw |
---|
| 1494 | |
---|
[6e63513] | 1495 | # Request credentials |
---|
| 1496 | req = { |
---|
| 1497 | 'abac_credential': creds, |
---|
| 1498 | } |
---|
| 1499 | # Make the service request from the services we're importing and |
---|
| 1500 | # exporting. Keep track of the export request ids so we can |
---|
| 1501 | # collect the resulting info from the access response. |
---|
| 1502 | e_keys = { } |
---|
| 1503 | if import_svcs or export_svcs: |
---|
| 1504 | req['service'] = [ ] |
---|
| 1505 | |
---|
| 1506 | for i, s in enumerate(import_svcs): |
---|
| 1507 | idx = 'import%d' % i |
---|
| 1508 | sr = {'id': idx, 'name': s.name, 'visibility': 'import' } |
---|
| 1509 | if s.params: |
---|
| 1510 | sr['fedAttr'] = [ { 'attribute': k, 'value': v } \ |
---|
| 1511 | for k, v in s.params.items()] |
---|
| 1512 | req['service'].append(sr) |
---|
| 1513 | |
---|
| 1514 | for i, s in enumerate(export_svcs): |
---|
| 1515 | idx = 'export%d' % i |
---|
| 1516 | e_keys[idx] = s |
---|
| 1517 | sr = {'id': idx, 'name': s.name, 'visibility': 'export' } |
---|
| 1518 | if s.params: |
---|
| 1519 | sr['fedAttr'] = [ { 'attribute': k, 'value': v } |
---|
| 1520 | for k, v in s.params.items()] |
---|
| 1521 | req['service'].append(sr) |
---|
| 1522 | |
---|
| 1523 | |
---|
| 1524 | if self.local_access.has_key(uri): |
---|
| 1525 | # Local access call |
---|
| 1526 | req = { 'RequestAccessRequestBody' : req } |
---|
| 1527 | r = self.local_access[uri].RequestAccess(req, |
---|
| 1528 | fedid(file=self.cert_file)) |
---|
| 1529 | r = { 'RequestAccessResponseBody' : r } |
---|
| 1530 | else: |
---|
[c573278] | 1531 | r = self.call_RequestAccess(uri, req, cert, pw, self.trusted_certs) |
---|
[6e63513] | 1532 | |
---|
| 1533 | tbparam[tb] = { |
---|
| 1534 | "allocID" : r['allocID'], |
---|
| 1535 | "uri": uri, |
---|
| 1536 | } |
---|
| 1537 | |
---|
| 1538 | # Collect the responses corresponding to the services this testbed |
---|
| 1539 | # exports. These will be the service requests that we will include in |
---|
| 1540 | # the start segment requests (with appropriate visibility values) to |
---|
| 1541 | # import and export the segments. |
---|
| 1542 | for s in r.get('service', []): |
---|
| 1543 | id = s.get('id', None) |
---|
| 1544 | if id and id in e_keys: |
---|
| 1545 | e_keys[id].reqs.append(s) |
---|
| 1546 | |
---|
| 1547 | # Add attributes to parameter space. We don't allow attributes to |
---|
| 1548 | # overlay any parameters already installed. |
---|
| 1549 | for a in r.get('fedAttr', []): |
---|
| 1550 | try: |
---|
| 1551 | if a['attribute'] and \ |
---|
| 1552 | isinstance(a['attribute'], basestring)\ |
---|
| 1553 | and not tbparam[tb].has_key(a['attribute'].lower()): |
---|
| 1554 | tbparam[tb][a['attribute'].lower()] = a['value'] |
---|
| 1555 | except KeyError: |
---|
| 1556 | self.log.error("Bad attribute in response: %s" % a) |
---|
| 1557 | |
---|
| 1558 | |
---|
[7fe81be] | 1559 | def split_topology(self, top, topo, testbeds): |
---|
[895a133] | 1560 | """ |
---|
[e02cd14] | 1561 | Create the sub-topologies that are needed for experiment instantiation. |
---|
[895a133] | 1562 | """ |
---|
| 1563 | for tb in testbeds: |
---|
| 1564 | topo[tb] = top.clone() |
---|
[7fe81be] | 1565 | # copy in for loop allows deletions from the original |
---|
| 1566 | for e in [ e for e in topo[tb].elements]: |
---|
[895a133] | 1567 | etb = e.get_attribute('testbed') |
---|
[7fe81be] | 1568 | # NB: elements without a testbed attribute won't appear in any |
---|
| 1569 | # sub topologies. |
---|
| 1570 | if not etb or etb != tb: |
---|
[895a133] | 1571 | for i in e.interface: |
---|
| 1572 | for s in i.subs: |
---|
| 1573 | try: |
---|
| 1574 | s.interfaces.remove(i) |
---|
| 1575 | except ValueError: |
---|
| 1576 | raise service_error(service_error.internal, |
---|
| 1577 | "Can't remove interface??") |
---|
[7fe81be] | 1578 | topo[tb].elements.remove(e) |
---|
[895a133] | 1579 | topo[tb].make_indices() |
---|
| 1580 | |
---|
| 1581 | def wrangle_software(self, expid, top, topo, tbparams): |
---|
| 1582 | """ |
---|
| 1583 | Copy software out to the repository directory, allocate permissions and |
---|
| 1584 | rewrite the segment topologies to look for the software in local |
---|
| 1585 | places. |
---|
| 1586 | """ |
---|
| 1587 | |
---|
| 1588 | # Copy the rpms and tarfiles to a distribution directory from |
---|
| 1589 | # which the federants can retrieve them |
---|
| 1590 | linkpath = "%s/software" % expid |
---|
| 1591 | softdir ="%s/%s" % ( self.repodir, linkpath) |
---|
| 1592 | softmap = { } |
---|
| 1593 | # These are in a list of tuples format (each kit). This comprehension |
---|
| 1594 | # unwraps them into a single list of tuples that initilaizes the set of |
---|
| 1595 | # tuples. |
---|
| 1596 | pkgs = set([ t for l in [self.fedkit, self.gatewaykit] \ |
---|
| 1597 | for p, t in l ]) |
---|
| 1598 | pkgs.update([x.location for e in top.elements \ |
---|
| 1599 | for x in e.software]) |
---|
| 1600 | try: |
---|
| 1601 | os.makedirs(softdir) |
---|
[d3c8759] | 1602 | except EnvironmentError, e: |
---|
[895a133] | 1603 | raise service_error( |
---|
| 1604 | "Cannot create software directory: %s" % e) |
---|
| 1605 | # The actual copying. Everything's converted into a url for copying. |
---|
| 1606 | for pkg in pkgs: |
---|
| 1607 | loc = pkg |
---|
| 1608 | |
---|
| 1609 | scheme, host, path = urlparse(loc)[0:3] |
---|
| 1610 | dest = os.path.basename(path) |
---|
| 1611 | if not scheme: |
---|
| 1612 | if not loc.startswith('/'): |
---|
| 1613 | loc = "/%s" % loc |
---|
| 1614 | loc = "file://%s" %loc |
---|
| 1615 | try: |
---|
| 1616 | u = urlopen(loc) |
---|
| 1617 | except Exception, e: |
---|
| 1618 | raise service_error(service_error.req, |
---|
| 1619 | "Cannot open %s: %s" % (loc, e)) |
---|
| 1620 | try: |
---|
| 1621 | f = open("%s/%s" % (softdir, dest) , "w") |
---|
| 1622 | self.log.debug("Writing %s/%s" % (softdir,dest) ) |
---|
| 1623 | data = u.read(4096) |
---|
| 1624 | while data: |
---|
| 1625 | f.write(data) |
---|
| 1626 | data = u.read(4096) |
---|
| 1627 | f.close() |
---|
| 1628 | u.close() |
---|
| 1629 | except Exception, e: |
---|
| 1630 | raise service_error(service_error.internal, |
---|
| 1631 | "Could not copy %s: %s" % (loc, e)) |
---|
| 1632 | path = re.sub("/tmp", "", linkpath) |
---|
| 1633 | # XXX |
---|
| 1634 | softmap[pkg] = \ |
---|
[7183b48] | 1635 | "%s/%s/%s" %\ |
---|
| 1636 | ( self.repo_url, path, dest) |
---|
[895a133] | 1637 | |
---|
| 1638 | # Allow the individual segments to access the software. |
---|
| 1639 | for tb in tbparams.keys(): |
---|
| 1640 | self.auth.set_attribute(tbparams[tb]['allocID']['fedid'], |
---|
| 1641 | "/%s/%s" % ( path, dest)) |
---|
[7206e5a] | 1642 | self.auth.save() |
---|
[895a133] | 1643 | |
---|
| 1644 | # Convert the software locations in the segments into the local |
---|
| 1645 | # copies on this host |
---|
| 1646 | for soft in [ s for tb in topo.values() \ |
---|
| 1647 | for e in tb.elements \ |
---|
| 1648 | if getattr(e, 'software', False) \ |
---|
| 1649 | for s in e.software ]: |
---|
| 1650 | if softmap.has_key(soft.location): |
---|
| 1651 | soft.location = softmap[soft.location] |
---|
| 1652 | |
---|
| 1653 | |
---|
[a3ad8bd] | 1654 | def new_experiment(self, req, fid): |
---|
| 1655 | """ |
---|
| 1656 | The external interface to empty initial experiment creation called from |
---|
| 1657 | the dispatcher. |
---|
| 1658 | |
---|
| 1659 | Creates a working directory, splits the incoming description using the |
---|
| 1660 | splitter script and parses out the avrious subsections using the |
---|
| 1661 | lcasses above. Once each sub-experiment is created, use pooled threads |
---|
| 1662 | to instantiate them and start it all up. |
---|
| 1663 | """ |
---|
[7206e5a] | 1664 | req = req.get('NewRequestBody', None) |
---|
| 1665 | if not req: |
---|
| 1666 | raise service_error(service_error.req, |
---|
| 1667 | "Bad request format (no NewRequestBody)") |
---|
| 1668 | |
---|
| 1669 | if self.auth.import_credentials(data_list=req.get('credential', [])): |
---|
| 1670 | self.auth.save() |
---|
[c573278] | 1671 | |
---|
[a3ad8bd] | 1672 | if not self.auth.check_attribute(fid, 'new'): |
---|
| 1673 | raise service_error(service_error.access, "New access denied") |
---|
| 1674 | |
---|
| 1675 | try: |
---|
| 1676 | tmpdir = tempfile.mkdtemp(prefix="split-") |
---|
[d3c8759] | 1677 | except EnvironmentError: |
---|
[a3ad8bd] | 1678 | raise service_error(service_error.internal, "Cannot create tmp dir") |
---|
| 1679 | |
---|
| 1680 | try: |
---|
| 1681 | access_user = self.accessdb[fid] |
---|
| 1682 | except KeyError: |
---|
| 1683 | raise service_error(service_error.internal, |
---|
| 1684 | "Access map and authorizer out of sync in " + \ |
---|
[7183b48] | 1685 | "new_experiment for fedid %s" % fid) |
---|
[a3ad8bd] | 1686 | |
---|
| 1687 | pid = "dummy" |
---|
| 1688 | gid = "dummy" |
---|
| 1689 | |
---|
| 1690 | # Generate an ID for the experiment (slice) and a certificate that the |
---|
| 1691 | # allocator can use to prove they own it. We'll ship it back through |
---|
[7206e5a] | 1692 | # the encrypted connection. If the requester supplied one, use it. |
---|
| 1693 | if 'experimentAccess' in req and 'X509' in req['experimentAccess']: |
---|
| 1694 | expcert = req['experimentAccess']['X509'] |
---|
[962ea25] | 1695 | expid = fedid(certstr=expcert) |
---|
[7206e5a] | 1696 | self.state_lock.acquire() |
---|
| 1697 | if expid in self.state: |
---|
| 1698 | self.state_lock.release() |
---|
| 1699 | raise service_error(service_error.req, |
---|
| 1700 | 'fedid %s identifies an existing experiment' % expid) |
---|
| 1701 | self.state_lock.release() |
---|
| 1702 | else: |
---|
| 1703 | (expid, expcert) = generate_fedid("test", dir=tmpdir, log=self.log) |
---|
[a3ad8bd] | 1704 | |
---|
| 1705 | #now we're done with the tmpdir, and it should be empty |
---|
| 1706 | if self.cleanup: |
---|
| 1707 | self.log.debug("[new_experiment]: removing %s" % tmpdir) |
---|
| 1708 | os.rmdir(tmpdir) |
---|
| 1709 | else: |
---|
| 1710 | self.log.debug("[new_experiment]: not removing %s" % tmpdir) |
---|
| 1711 | |
---|
| 1712 | eid = self.create_experiment_state(fid, req, expid, expcert, |
---|
| 1713 | state='empty') |
---|
| 1714 | |
---|
| 1715 | # Let users touch the state |
---|
[7206e5a] | 1716 | self.auth.set_attribute(fid, expid) |
---|
| 1717 | self.auth.set_attribute(expid, expid) |
---|
| 1718 | # Override fedids can manipulate state as well |
---|
| 1719 | for o in self.overrides: |
---|
| 1720 | self.auth.set_attribute(o, expid) |
---|
| 1721 | self.auth.save() |
---|
[a3ad8bd] | 1722 | |
---|
| 1723 | rv = { |
---|
| 1724 | 'experimentID': [ |
---|
| 1725 | {'localname' : eid }, { 'fedid': copy.copy(expid) } |
---|
| 1726 | ], |
---|
| 1727 | 'experimentStatus': 'empty', |
---|
| 1728 | 'experimentAccess': { 'X509' : expcert } |
---|
| 1729 | } |
---|
| 1730 | |
---|
| 1731 | return rv |
---|
| 1732 | |
---|
[e19b75c] | 1733 | def create_experiment(self, req, fid): |
---|
[db6b092] | 1734 | """ |
---|
| 1735 | The external interface to experiment creation called from the |
---|
| 1736 | dispatcher. |
---|
| 1737 | |
---|
| 1738 | Creates a working directory, splits the incoming description using the |
---|
[43197eb] | 1739 | splitter script and parses out the various subsections using the |
---|
[1a4ee0f] | 1740 | classes above. Once each sub-experiment is created, use pooled threads |
---|
| 1741 | to instantiate them and start it all up. |
---|
[db6b092] | 1742 | """ |
---|
[7183b48] | 1743 | |
---|
| 1744 | req = req.get('CreateRequestBody', None) |
---|
| 1745 | if not req: |
---|
| 1746 | raise service_error(service_error.req, |
---|
| 1747 | "Bad request format (no CreateRequestBody)") |
---|
| 1748 | |
---|
| 1749 | # Get the experiment access |
---|
| 1750 | exp = req.get('experimentID', None) |
---|
| 1751 | if exp: |
---|
| 1752 | if exp.has_key('fedid'): |
---|
| 1753 | key = exp['fedid'] |
---|
| 1754 | expid = key |
---|
| 1755 | eid = None |
---|
| 1756 | elif exp.has_key('localname'): |
---|
| 1757 | key = exp['localname'] |
---|
| 1758 | eid = key |
---|
| 1759 | expid = None |
---|
| 1760 | else: |
---|
| 1761 | raise service_error(service_error.req, "Unknown lookup type") |
---|
| 1762 | else: |
---|
| 1763 | raise service_error(service_error.req, "No request?") |
---|
| 1764 | |
---|
[c573278] | 1765 | print "%s" % expid |
---|
| 1766 | print 'creds ', |
---|
| 1767 | print join([ "%s <- %s" % ( c.head().string(), c.tail().string()) \ |
---|
| 1768 | for c in self.auth.get_creds_for_principal(expid)]) |
---|
[6e63513] | 1769 | # Import information from the requester |
---|
| 1770 | if self.auth.import_credentials(data_list=req.get('credential', [])): |
---|
| 1771 | self.auth.save() |
---|
| 1772 | |
---|
[c573278] | 1773 | print 'creds ', |
---|
| 1774 | print join([ "%s <- %s" % ( c.head().string(), c.tail().string()) \ |
---|
| 1775 | for c in self.auth.get_creds_for_principal(expid)]) |
---|
[7183b48] | 1776 | self.check_experiment_access(fid, key) |
---|
[db6b092] | 1777 | |
---|
[fd07c48] | 1778 | # Install the testbed map entries supplied with the request into a copy |
---|
| 1779 | # of the testbed map. |
---|
| 1780 | tbmap = dict(self.tbmap) |
---|
| 1781 | for m in req.get('testbedmap', []): |
---|
| 1782 | if 'testbed' in m and 'uri' in m: |
---|
| 1783 | tbmap[m['testbed']] = m['uri'] |
---|
| 1784 | |
---|
[db6b092] | 1785 | try: |
---|
| 1786 | tmpdir = tempfile.mkdtemp(prefix="split-") |
---|
[895a133] | 1787 | os.mkdir(tmpdir+"/keys") |
---|
[d3c8759] | 1788 | except EnvironmentError: |
---|
[db6b092] | 1789 | raise service_error(service_error.internal, "Cannot create tmp dir") |
---|
| 1790 | |
---|
| 1791 | gw_pubkey_base = "fed.%s.pub" % self.ssh_type |
---|
| 1792 | gw_secretkey_base = "fed.%s" % self.ssh_type |
---|
| 1793 | gw_pubkey = tmpdir + "/keys/" + gw_pubkey_base |
---|
| 1794 | gw_secretkey = tmpdir + "/keys/" + gw_secretkey_base |
---|
| 1795 | tclfile = tmpdir + "/experiment.tcl" |
---|
| 1796 | tbparams = { } |
---|
| 1797 | try: |
---|
| 1798 | access_user = self.accessdb[fid] |
---|
| 1799 | except KeyError: |
---|
| 1800 | raise service_error(service_error.internal, |
---|
| 1801 | "Access map and authorizer out of sync in " + \ |
---|
| 1802 | "create_experiment for fedid %s" % fid) |
---|
| 1803 | |
---|
| 1804 | pid = "dummy" |
---|
| 1805 | gid = "dummy" |
---|
| 1806 | |
---|
| 1807 | # The tcl parser needs to read a file so put the content into that file |
---|
| 1808 | descr=req.get('experimentdescription', None) |
---|
| 1809 | if descr: |
---|
| 1810 | file_content=descr.get('ns2description', None) |
---|
| 1811 | if file_content: |
---|
| 1812 | try: |
---|
| 1813 | f = open(tclfile, 'w') |
---|
| 1814 | f.write(file_content) |
---|
| 1815 | f.close() |
---|
[d3c8759] | 1816 | except EnvironmentError: |
---|
[db6b092] | 1817 | raise service_error(service_error.internal, |
---|
| 1818 | "Cannot write temp experiment description") |
---|
| 1819 | else: |
---|
| 1820 | raise service_error(service_error.req, |
---|
| 1821 | "Only ns2descriptions supported") |
---|
| 1822 | else: |
---|
| 1823 | raise service_error(service_error.req, "No experiment description") |
---|
| 1824 | |
---|
[7183b48] | 1825 | self.state_lock.acquire() |
---|
| 1826 | if self.state.has_key(key): |
---|
[4afcfc4] | 1827 | self.state[key]['experimentStatus'] = "starting" |
---|
[7183b48] | 1828 | for e in self.state[key].get('experimentID',[]): |
---|
| 1829 | if not expid and e.has_key('fedid'): |
---|
| 1830 | expid = e['fedid'] |
---|
| 1831 | elif not eid and e.has_key('localname'): |
---|
| 1832 | eid = e['localname'] |
---|
[c573278] | 1833 | if 'experimentAccess' in self.state[key] and \ |
---|
| 1834 | 'X509' in self.state[key]['experimentAccess']: |
---|
| 1835 | expcert = self.state[key]['experimentAccess']['X509'] |
---|
| 1836 | else: |
---|
| 1837 | expcert = None |
---|
[7183b48] | 1838 | self.state_lock.release() |
---|
| 1839 | |
---|
| 1840 | if not (eid and expid): |
---|
| 1841 | raise service_error(service_error.internal, |
---|
| 1842 | "Cannot find local experiment info!?") |
---|
[db6b092] | 1843 | |
---|
[c573278] | 1844 | # make a protected copy of the access certificate so the experiment |
---|
| 1845 | # controller can act as the experiment principal. mkstemp is the most |
---|
| 1846 | # secure way to do that and the file is in a directory created by |
---|
| 1847 | # mkdtemp. expcert enters the if as the contents of the file and |
---|
| 1848 | # leaves is as the filename in which the cert is stored. All this goes |
---|
| 1849 | # away when the tempfiles are cleared. |
---|
| 1850 | if expcert: |
---|
| 1851 | try: |
---|
| 1852 | certf, certfn = tempfile.mkstemp(suffix=".pem", dir=tmpdir) |
---|
| 1853 | f = os.fdopen(certf, 'w') |
---|
| 1854 | print >> f, expcert |
---|
| 1855 | f.close() |
---|
| 1856 | expcert = certfn |
---|
| 1857 | except EnvironmentError, e: |
---|
| 1858 | raise service_error(service_error.internal, |
---|
| 1859 | "Cannot create temp cert file?") |
---|
| 1860 | |
---|
[db6b092] | 1861 | try: |
---|
| 1862 | # This catches exceptions to clear the placeholder if necessary |
---|
| 1863 | try: |
---|
| 1864 | self.generate_ssh_keys(gw_secretkey, self.ssh_type) |
---|
| 1865 | except ValueError: |
---|
| 1866 | raise service_error(service_error.server_config, |
---|
| 1867 | "Bad key type (%s)" % self.ssh_type) |
---|
[5f6929a] | 1868 | |
---|
[43197eb] | 1869 | # Copy the service request |
---|
| 1870 | tb_services = [ s for s in req.get('service',[]) ] |
---|
[895a133] | 1871 | # Translate to topdl |
---|
[db6b092] | 1872 | if self.splitter_url: |
---|
[9b8e269] | 1873 | self.log.debug("Calling remote topdl translator at %s" % \ |
---|
[db6b092] | 1874 | self.splitter_url) |
---|
[5f6929a] | 1875 | top = self.remote_ns2topdl(self.splitter_url, file_content) |
---|
[db6b092] | 1876 | else: |
---|
| 1877 | tclcmd = [self.tclsh, self.tcl_splitter, '-t', '-x', |
---|
[43197eb] | 1878 | str(self.muxmax), '-m', 'dummy'] |
---|
[db6b092] | 1879 | |
---|
| 1880 | tclcmd.extend([pid, gid, eid, tclfile]) |
---|
| 1881 | |
---|
| 1882 | self.log.debug("running local splitter %s", " ".join(tclcmd)) |
---|
| 1883 | # This is just fantastic. As a side effect the parser copies |
---|
| 1884 | # tb_compat.tcl into the current directory, so that directory |
---|
| 1885 | # must be writable by the fedd user. Doing this in the |
---|
| 1886 | # temporary subdir ensures this is the case. |
---|
[70caa72] | 1887 | tclparser = Popen(tclcmd, stdout=PIPE, close_fds=True, |
---|
[db6b092] | 1888 | cwd=tmpdir) |
---|
[866c983] | 1889 | split_data = tclparser.stdout |
---|
| 1890 | |
---|
[1dcaff4] | 1891 | top = topdl.topology_from_xml(file=split_data, top="experiment") |
---|
[895a133] | 1892 | |
---|
[69692a9] | 1893 | hosts, ip_allocator = self.allocate_ips_to_topo(top) |
---|
[1a4ee0f] | 1894 | # Find the testbeds to look up |
---|
[895a133] | 1895 | testbeds = set([ a.value for e in top.elements \ |
---|
| 1896 | for a in e.attribute \ |
---|
[5f96438] | 1897 | if a.attribute == 'testbed']) |
---|
[895a133] | 1898 | |
---|
[5334044] | 1899 | tb_hosts = { } |
---|
| 1900 | for tb in testbeds: |
---|
| 1901 | tb_hosts[tb] = [ e.name for e in top.elements \ |
---|
| 1902 | if isinstance(e, topdl.Computer) and \ |
---|
| 1903 | e.get_attribute('testbed') and \ |
---|
| 1904 | e.get_attribute('testbed') == tb] |
---|
| 1905 | |
---|
[43197eb] | 1906 | masters = { } # testbeds exporting services |
---|
[5334044] | 1907 | pmasters = { } # Testbeds exporting services that |
---|
| 1908 | # need portals |
---|
[43197eb] | 1909 | for s in tb_services: |
---|
[5334044] | 1910 | # If this is a service request with the importall field |
---|
[7e67ab9] | 1911 | # set, fill it out. |
---|
| 1912 | |
---|
| 1913 | if s.get('importall', False): |
---|
| 1914 | s['import'] = [ tb for tb in testbeds \ |
---|
| 1915 | if tb not in s.get('export',[])] |
---|
| 1916 | del s['importall'] |
---|
| 1917 | |
---|
[43197eb] | 1918 | # Add the service to masters |
---|
| 1919 | for tb in s.get('export', []): |
---|
[b4b19c7] | 1920 | if s.get('name', None): |
---|
[43197eb] | 1921 | if tb not in masters: |
---|
| 1922 | masters[tb] = [ ] |
---|
| 1923 | |
---|
| 1924 | params = { } |
---|
| 1925 | if 'fedAttr' in s: |
---|
| 1926 | for a in s['fedAttr']: |
---|
| 1927 | params[a.get('attribute', '')] = \ |
---|
| 1928 | a.get('value','') |
---|
| 1929 | |
---|
[5334044] | 1930 | fser = federated_service(name=s['name'], |
---|
[43197eb] | 1931 | exporter=tb, importers=s.get('import',[]), |
---|
[5334044] | 1932 | params=params) |
---|
| 1933 | if fser.name == 'hide_hosts' \ |
---|
| 1934 | and 'hosts' not in fser.params: |
---|
| 1935 | fser.params['hosts'] = \ |
---|
| 1936 | ",".join(tb_hosts.get(fser.exporter, [])) |
---|
| 1937 | masters[tb].append(fser) |
---|
| 1938 | |
---|
| 1939 | if fser.portal: |
---|
| 1940 | if tb not in pmasters: pmasters[tb] = [ fser ] |
---|
| 1941 | else: pmasters[tb].append(fser) |
---|
[43197eb] | 1942 | else: |
---|
[b4b19c7] | 1943 | self.log.error('Testbed service does not have name " + \ |
---|
[43197eb] | 1944 | "and importers') |
---|
| 1945 | |
---|
| 1946 | |
---|
[895a133] | 1947 | allocated = { } # Testbeds we can access |
---|
| 1948 | topo ={ } # Sub topologies |
---|
[e02cd14] | 1949 | connInfo = { } # Connection information |
---|
[5334044] | 1950 | |
---|
[6e63513] | 1951 | if self.auth_type == 'legacy': |
---|
| 1952 | self.get_access_to_testbeds(testbeds, access_user, allocated, |
---|
| 1953 | tbparams, masters, tbmap) |
---|
| 1954 | elif self.auth_type == 'abac': |
---|
| 1955 | self.get_abac_access_to_testbeds(testbeds, fid, allocated, |
---|
[c573278] | 1956 | tbparams, masters, tbmap, expid, expcert) |
---|
[6e63513] | 1957 | else: |
---|
| 1958 | raise service_error(service_error.internal, |
---|
| 1959 | "Unknown auth_type %s" % self.auth_type) |
---|
[5f96438] | 1960 | |
---|
[7fe81be] | 1961 | self.split_topology(top, topo, testbeds) |
---|
[895a133] | 1962 | |
---|
| 1963 | # Copy configuration files into the remote file store |
---|
[6c57fe9] | 1964 | # The config urlpath |
---|
| 1965 | configpath = "/%s/config" % expid |
---|
| 1966 | # The config file system location |
---|
| 1967 | configdir ="%s%s" % ( self.repodir, configpath) |
---|
| 1968 | try: |
---|
| 1969 | os.makedirs(configdir) |
---|
[ab847bc] | 1970 | except EnvironmentError, e: |
---|
| 1971 | raise service_error(service_error.internal, |
---|
[6c57fe9] | 1972 | "Cannot create config directory: %s" % e) |
---|
| 1973 | try: |
---|
| 1974 | f = open("%s/hosts" % configdir, "w") |
---|
| 1975 | f.write('\n'.join(hosts)) |
---|
| 1976 | f.close() |
---|
[d3c8759] | 1977 | except EnvironmentError, e: |
---|
[6c57fe9] | 1978 | raise service_error(service_error.internal, |
---|
| 1979 | "Cannot write hosts file: %s" % e) |
---|
| 1980 | try: |
---|
[40dd8c1] | 1981 | copy_file("%s" % gw_pubkey, "%s/%s" % \ |
---|
[6c57fe9] | 1982 | (configdir, gw_pubkey_base)) |
---|
[40dd8c1] | 1983 | copy_file("%s" % gw_secretkey, "%s/%s" % \ |
---|
[6c57fe9] | 1984 | (configdir, gw_secretkey_base)) |
---|
[d3c8759] | 1985 | except EnvironmentError, e: |
---|
[6c57fe9] | 1986 | raise service_error(service_error.internal, |
---|
| 1987 | "Cannot copy keyfiles: %s" % e) |
---|
[cc8d8e9] | 1988 | |
---|
[6c57fe9] | 1989 | # Allow the individual testbeds to access the configuration files. |
---|
| 1990 | for tb in tbparams.keys(): |
---|
| 1991 | asignee = tbparams[tb]['allocID']['fedid'] |
---|
| 1992 | for f in ("hosts", gw_secretkey_base, gw_pubkey_base): |
---|
[7206e5a] | 1993 | self.auth.set_attribute(asignee, "%s/%s" % \ |
---|
| 1994 | (configpath, f)) |
---|
[cc8d8e9] | 1995 | |
---|
[fd07c48] | 1996 | part = experiment_partition(self.auth, self.store_url, tbmap, |
---|
[175b444] | 1997 | self.muxmax, self.direct_transit) |
---|
[5334044] | 1998 | part.add_portals(top, topo, eid, pmasters, tbparams, ip_allocator, |
---|
[2761484] | 1999 | connInfo, expid) |
---|
[ab847bc] | 2000 | # Now get access to the dynamic testbeds (those added above) |
---|
| 2001 | for tb in [ t for t in topo if t not in allocated]: |
---|
[c573278] | 2002 | #XXX: ABAC |
---|
[814b5e5] | 2003 | self.get_access(tb, None, tbparams, access_user, masters, tbmap) |
---|
[ab847bc] | 2004 | allocated[tb] = 1 |
---|
| 2005 | store_keys = topo[tb].get_attribute('store_keys') |
---|
| 2006 | # Give the testbed access to keys it exports or imports |
---|
| 2007 | if store_keys: |
---|
| 2008 | for sk in store_keys.split(" "): |
---|
| 2009 | self.auth.set_attribute(\ |
---|
| 2010 | tbparams[tb]['allocID']['fedid'], sk) |
---|
[7206e5a] | 2011 | self.auth.save() |
---|
[69692a9] | 2012 | |
---|
[895a133] | 2013 | self.wrangle_software(expid, top, topo, tbparams) |
---|
[cc8d8e9] | 2014 | |
---|
| 2015 | vtopo = topdl.topology_to_vtopo(top) |
---|
| 2016 | vis = self.genviz(vtopo) |
---|
[db6b092] | 2017 | |
---|
[866c983] | 2018 | # save federant information |
---|
| 2019 | for k in allocated.keys(): |
---|
[ecf679e] | 2020 | tbparams[k]['federant'] = { |
---|
| 2021 | 'name': [ { 'localname' : eid} ], |
---|
| 2022 | 'allocID' : tbparams[k]['allocID'], |
---|
| 2023 | 'uri': tbparams[k]['uri'], |
---|
[866c983] | 2024 | } |
---|
| 2025 | |
---|
[db6b092] | 2026 | self.state_lock.acquire() |
---|
| 2027 | self.state[eid]['vtopo'] = vtopo |
---|
| 2028 | self.state[eid]['vis'] = vis |
---|
[b4b19c7] | 2029 | self.state[eid]['experimentdescription'] = \ |
---|
[1a4ee0f] | 2030 | { 'topdldescription': top.to_dict() } |
---|
| 2031 | self.state[eid]['federant'] = \ |
---|
[db6b092] | 2032 | [ tbparams[tb]['federant'] for tb in tbparams.keys() \ |
---|
| 2033 | if tbparams[tb].has_key('federant') ] |
---|
[cc8d8e9] | 2034 | if self.state_filename: |
---|
| 2035 | self.write_state() |
---|
[db6b092] | 2036 | self.state_lock.release() |
---|
[866c983] | 2037 | except service_error, e: |
---|
| 2038 | # If something goes wrong in the parse (usually an access error) |
---|
| 2039 | # clear the placeholder state. From here on out the code delays |
---|
[db6b092] | 2040 | # exceptions. Failing at this point returns a fault to the remote |
---|
| 2041 | # caller. |
---|
[cc8d8e9] | 2042 | |
---|
[866c983] | 2043 | self.state_lock.acquire() |
---|
| 2044 | del self.state[eid] |
---|
[bd3e314] | 2045 | del self.state[expid] |
---|
| 2046 | if self.state_filename: self.write_state() |
---|
[866c983] | 2047 | self.state_lock.release() |
---|
| 2048 | raise e |
---|
| 2049 | |
---|
| 2050 | |
---|
[db6b092] | 2051 | # Start the background swapper and return the starting state. From |
---|
| 2052 | # here on out, the state will stick around a while. |
---|
[866c983] | 2053 | |
---|
[7206e5a] | 2054 | # Let users touch the state |
---|
| 2055 | self.auth.set_attribute(fid, expid) |
---|
| 2056 | self.auth.set_attribute(expid, expid) |
---|
| 2057 | # Override fedids can manipulate state as well |
---|
| 2058 | for o in self.overrides: |
---|
| 2059 | self.auth.set_attribute(o, expid) |
---|
| 2060 | self.auth.save() |
---|
[db6b092] | 2061 | |
---|
| 2062 | # Create a logger that logs to the experiment's state object as well as |
---|
| 2063 | # to the main log file. |
---|
| 2064 | alloc_log = logging.getLogger('fedd.experiment_control.%s' % eid) |
---|
[f07fa49] | 2065 | alloc_collector = self.list_log(self.state[eid]['log']) |
---|
| 2066 | h = logging.StreamHandler(alloc_collector) |
---|
[db6b092] | 2067 | # XXX: there should be a global one of these rather than repeating the |
---|
| 2068 | # code. |
---|
| 2069 | h.setFormatter(logging.Formatter("%(asctime)s %(name)s %(message)s", |
---|
| 2070 | '%d %b %y %H:%M:%S')) |
---|
| 2071 | alloc_log.addHandler(h) |
---|
| 2072 | |
---|
[6c57fe9] | 2073 | attrs = [ |
---|
| 2074 | { |
---|
| 2075 | 'attribute': 'ssh_pubkey', |
---|
| 2076 | 'value': '%s/%s/config/%s' % \ |
---|
[7183b48] | 2077 | (self.repo_url, expid, gw_pubkey_base) |
---|
[6c57fe9] | 2078 | }, |
---|
| 2079 | { |
---|
| 2080 | 'attribute': 'ssh_secretkey', |
---|
| 2081 | 'value': '%s/%s/config/%s' % \ |
---|
[7183b48] | 2082 | (self.repo_url, expid, gw_secretkey_base) |
---|
[6c57fe9] | 2083 | }, |
---|
| 2084 | { |
---|
| 2085 | 'attribute': 'hosts', |
---|
| 2086 | 'value': '%s/%s/config/hosts' % \ |
---|
[7183b48] | 2087 | (self.repo_url, expid) |
---|
[6c57fe9] | 2088 | }, |
---|
| 2089 | ] |
---|
| 2090 | |
---|
[617592b] | 2091 | # transit and disconnected testbeds may not have a connInfo entry. |
---|
| 2092 | # Fill in the blanks. |
---|
| 2093 | for t in allocated.keys(): |
---|
| 2094 | if not connInfo.has_key(t): |
---|
| 2095 | connInfo[t] = { } |
---|
| 2096 | |
---|
[db6b092] | 2097 | # Start a thread to do the resource allocation |
---|
[e19b75c] | 2098 | t = Thread(target=self.allocate_resources, |
---|
[43197eb] | 2099 | args=(allocated, masters, eid, expid, tbparams, |
---|
[b4b19c7] | 2100 | top, topo, tmpdir, alloc_log, alloc_collector, attrs, |
---|
[c573278] | 2101 | connInfo, tbmap, expcert), |
---|
[db6b092] | 2102 | name=eid) |
---|
| 2103 | t.start() |
---|
| 2104 | |
---|
| 2105 | rv = { |
---|
| 2106 | 'experimentID': [ |
---|
| 2107 | {'localname' : eid }, { 'fedid': copy.copy(expid) } |
---|
| 2108 | ], |
---|
| 2109 | 'experimentStatus': 'starting', |
---|
| 2110 | } |
---|
| 2111 | |
---|
| 2112 | return rv |
---|
[9479343] | 2113 | |
---|
| 2114 | def get_experiment_fedid(self, key): |
---|
| 2115 | """ |
---|
[db6b092] | 2116 | find the fedid associated with the localname key in the state database. |
---|
[9479343] | 2117 | """ |
---|
| 2118 | |
---|
[db6b092] | 2119 | rv = None |
---|
| 2120 | self.state_lock.acquire() |
---|
| 2121 | if self.state.has_key(key): |
---|
| 2122 | if isinstance(self.state[key], dict): |
---|
| 2123 | try: |
---|
| 2124 | kl = [ f['fedid'] for f in \ |
---|
| 2125 | self.state[key]['experimentID']\ |
---|
| 2126 | if f.has_key('fedid') ] |
---|
| 2127 | except KeyError: |
---|
| 2128 | self.state_lock.release() |
---|
| 2129 | raise service_error(service_error.internal, |
---|
| 2130 | "No fedid for experiment %s when getting "+\ |
---|
| 2131 | "fedid(!?)" % key) |
---|
| 2132 | if len(kl) == 1: |
---|
| 2133 | rv = kl[0] |
---|
| 2134 | else: |
---|
| 2135 | self.state_lock.release() |
---|
| 2136 | raise service_error(service_error.internal, |
---|
| 2137 | "multiple fedids for experiment %s when " +\ |
---|
| 2138 | "getting fedid(!?)" % key) |
---|
| 2139 | else: |
---|
| 2140 | self.state_lock.release() |
---|
| 2141 | raise service_error(service_error.internal, |
---|
| 2142 | "Unexpected state for %s" % key) |
---|
| 2143 | self.state_lock.release() |
---|
| 2144 | return rv |
---|
[a97394b] | 2145 | |
---|
[4064742] | 2146 | def check_experiment_access(self, fid, key): |
---|
[866c983] | 2147 | """ |
---|
| 2148 | Confirm that the fid has access to the experiment. Though a request |
---|
| 2149 | may be made in terms of a local name, the access attribute is always |
---|
| 2150 | the experiment's fedid. |
---|
| 2151 | """ |
---|
| 2152 | if not isinstance(key, fedid): |
---|
[db6b092] | 2153 | key = self.get_experiment_fedid(key) |
---|
[866c983] | 2154 | |
---|
| 2155 | if self.auth.check_attribute(fid, key): |
---|
| 2156 | return True |
---|
| 2157 | else: |
---|
| 2158 | raise service_error(service_error.access, "Access Denied") |
---|
[4064742] | 2159 | |
---|
| 2160 | |
---|
[db6b092] | 2161 | def get_handler(self, path, fid): |
---|
[7183b48] | 2162 | self.log.info("Get handler %s %s" % (path, fid)) |
---|
[6c57fe9] | 2163 | if self.auth.check_attribute(fid, path): |
---|
| 2164 | return ("%s/%s" % (self.repodir, path), "application/binary") |
---|
| 2165 | else: |
---|
| 2166 | return (None, None) |
---|
[987aaa1] | 2167 | |
---|
| 2168 | def get_vtopo(self, req, fid): |
---|
[866c983] | 2169 | """ |
---|
| 2170 | Return the stored virtual topology for this experiment |
---|
| 2171 | """ |
---|
| 2172 | rv = None |
---|
[db6b092] | 2173 | state = None |
---|
[866c983] | 2174 | |
---|
| 2175 | req = req.get('VtopoRequestBody', None) |
---|
| 2176 | if not req: |
---|
| 2177 | raise service_error(service_error.req, |
---|
| 2178 | "Bad request format (no VtopoRequestBody)") |
---|
| 2179 | exp = req.get('experiment', None) |
---|
| 2180 | if exp: |
---|
| 2181 | if exp.has_key('fedid'): |
---|
| 2182 | key = exp['fedid'] |
---|
| 2183 | keytype = "fedid" |
---|
| 2184 | elif exp.has_key('localname'): |
---|
| 2185 | key = exp['localname'] |
---|
| 2186 | keytype = "localname" |
---|
| 2187 | else: |
---|
| 2188 | raise service_error(service_error.req, "Unknown lookup type") |
---|
| 2189 | else: |
---|
| 2190 | raise service_error(service_error.req, "No request?") |
---|
| 2191 | |
---|
| 2192 | self.check_experiment_access(fid, key) |
---|
| 2193 | |
---|
| 2194 | self.state_lock.acquire() |
---|
| 2195 | if self.state.has_key(key): |
---|
[db6b092] | 2196 | if self.state[key].has_key('vtopo'): |
---|
| 2197 | rv = { 'experiment' : {keytype: key },\ |
---|
| 2198 | 'vtopo': self.state[key]['vtopo'],\ |
---|
| 2199 | } |
---|
| 2200 | else: |
---|
| 2201 | state = self.state[key]['experimentStatus'] |
---|
[866c983] | 2202 | self.state_lock.release() |
---|
| 2203 | |
---|
| 2204 | if rv: return rv |
---|
[bd3e314] | 2205 | else: |
---|
[db6b092] | 2206 | if state: |
---|
| 2207 | raise service_error(service_error.partial, |
---|
| 2208 | "Not ready: %s" % state) |
---|
| 2209 | else: |
---|
| 2210 | raise service_error(service_error.req, "No such experiment") |
---|
[987aaa1] | 2211 | |
---|
| 2212 | def get_vis(self, req, fid): |
---|
[866c983] | 2213 | """ |
---|
| 2214 | Return the stored visualization for this experiment |
---|
| 2215 | """ |
---|
| 2216 | rv = None |
---|
[db6b092] | 2217 | state = None |
---|
[866c983] | 2218 | |
---|
| 2219 | req = req.get('VisRequestBody', None) |
---|
| 2220 | if not req: |
---|
| 2221 | raise service_error(service_error.req, |
---|
| 2222 | "Bad request format (no VisRequestBody)") |
---|
| 2223 | exp = req.get('experiment', None) |
---|
| 2224 | if exp: |
---|
| 2225 | if exp.has_key('fedid'): |
---|
| 2226 | key = exp['fedid'] |
---|
| 2227 | keytype = "fedid" |
---|
| 2228 | elif exp.has_key('localname'): |
---|
| 2229 | key = exp['localname'] |
---|
| 2230 | keytype = "localname" |
---|
| 2231 | else: |
---|
| 2232 | raise service_error(service_error.req, "Unknown lookup type") |
---|
| 2233 | else: |
---|
| 2234 | raise service_error(service_error.req, "No request?") |
---|
| 2235 | |
---|
| 2236 | self.check_experiment_access(fid, key) |
---|
| 2237 | |
---|
| 2238 | self.state_lock.acquire() |
---|
| 2239 | if self.state.has_key(key): |
---|
[db6b092] | 2240 | if self.state[key].has_key('vis'): |
---|
| 2241 | rv = { 'experiment' : {keytype: key },\ |
---|
| 2242 | 'vis': self.state[key]['vis'],\ |
---|
| 2243 | } |
---|
| 2244 | else: |
---|
| 2245 | state = self.state[key]['experimentStatus'] |
---|
[866c983] | 2246 | self.state_lock.release() |
---|
| 2247 | |
---|
| 2248 | if rv: return rv |
---|
[bd3e314] | 2249 | else: |
---|
[db6b092] | 2250 | if state: |
---|
| 2251 | raise service_error(service_error.partial, |
---|
| 2252 | "Not ready: %s" % state) |
---|
| 2253 | else: |
---|
| 2254 | raise service_error(service_error.req, "No such experiment") |
---|
[987aaa1] | 2255 | |
---|
[65f3f29] | 2256 | def clean_info_response(self, rv): |
---|
[db6b092] | 2257 | """ |
---|
| 2258 | Remove the information in the experiment's state object that is not in |
---|
| 2259 | the info response. |
---|
| 2260 | """ |
---|
| 2261 | # Remove the owner info (should always be there, but...) |
---|
| 2262 | if rv.has_key('owner'): del rv['owner'] |
---|
| 2263 | |
---|
| 2264 | # Convert the log into the allocationLog parameter and remove the |
---|
| 2265 | # log entry (with defensive programming) |
---|
| 2266 | if rv.has_key('log'): |
---|
| 2267 | rv['allocationLog'] = "".join(rv['log']) |
---|
| 2268 | del rv['log'] |
---|
| 2269 | else: |
---|
| 2270 | rv['allocationLog'] = "" |
---|
| 2271 | |
---|
| 2272 | if rv['experimentStatus'] != 'active': |
---|
| 2273 | if rv.has_key('federant'): del rv['federant'] |
---|
| 2274 | else: |
---|
[69692a9] | 2275 | # remove the allocationID and uri info from each federant |
---|
[db6b092] | 2276 | for f in rv.get('federant', []): |
---|
| 2277 | if f.has_key('allocID'): del f['allocID'] |
---|
[69692a9] | 2278 | if f.has_key('uri'): del f['uri'] |
---|
[b4b19c7] | 2279 | |
---|
[db6b092] | 2280 | return rv |
---|
[65f3f29] | 2281 | |
---|
[c52c48d] | 2282 | def get_info(self, req, fid): |
---|
[866c983] | 2283 | """ |
---|
| 2284 | Return all the stored info about this experiment |
---|
| 2285 | """ |
---|
| 2286 | rv = None |
---|
| 2287 | |
---|
| 2288 | req = req.get('InfoRequestBody', None) |
---|
| 2289 | if not req: |
---|
| 2290 | raise service_error(service_error.req, |
---|
[65f3f29] | 2291 | "Bad request format (no InfoRequestBody)") |
---|
[866c983] | 2292 | exp = req.get('experiment', None) |
---|
| 2293 | if exp: |
---|
| 2294 | if exp.has_key('fedid'): |
---|
| 2295 | key = exp['fedid'] |
---|
| 2296 | keytype = "fedid" |
---|
| 2297 | elif exp.has_key('localname'): |
---|
| 2298 | key = exp['localname'] |
---|
| 2299 | keytype = "localname" |
---|
| 2300 | else: |
---|
| 2301 | raise service_error(service_error.req, "Unknown lookup type") |
---|
| 2302 | else: |
---|
| 2303 | raise service_error(service_error.req, "No request?") |
---|
| 2304 | |
---|
| 2305 | self.check_experiment_access(fid, key) |
---|
| 2306 | |
---|
| 2307 | # The state may be massaged by the service function that called |
---|
| 2308 | # get_info (e.g., encoded for XMLRPC transport) so send a copy of the |
---|
| 2309 | # state. |
---|
| 2310 | self.state_lock.acquire() |
---|
| 2311 | if self.state.has_key(key): |
---|
| 2312 | rv = copy.deepcopy(self.state[key]) |
---|
| 2313 | self.state_lock.release() |
---|
| 2314 | |
---|
[db6b092] | 2315 | if rv: |
---|
| 2316 | return self.clean_info_response(rv) |
---|
[bd3e314] | 2317 | else: |
---|
[db6b092] | 2318 | raise service_error(service_error.req, "No such experiment") |
---|
[7a8d667] | 2319 | |
---|
[65f3f29] | 2320 | def get_multi_info(self, req, fid): |
---|
| 2321 | """ |
---|
| 2322 | Return all the stored info that this fedid can access |
---|
| 2323 | """ |
---|
[db6b092] | 2324 | rv = { 'info': [ ] } |
---|
[65f3f29] | 2325 | |
---|
[db6b092] | 2326 | self.state_lock.acquire() |
---|
| 2327 | for key in [ k for k in self.state.keys() if isinstance(k, fedid)]: |
---|
[829246e] | 2328 | try: |
---|
| 2329 | self.check_experiment_access(fid, key) |
---|
| 2330 | except service_error, e: |
---|
| 2331 | if e.code == service_error.access: |
---|
| 2332 | continue |
---|
| 2333 | else: |
---|
| 2334 | self.state_lock.release() |
---|
| 2335 | raise e |
---|
[65f3f29] | 2336 | |
---|
[db6b092] | 2337 | if self.state.has_key(key): |
---|
| 2338 | e = copy.deepcopy(self.state[key]) |
---|
| 2339 | e = self.clean_info_response(e) |
---|
| 2340 | rv['info'].append(e) |
---|
[65f3f29] | 2341 | self.state_lock.release() |
---|
[db6b092] | 2342 | return rv |
---|
[65f3f29] | 2343 | |
---|
[e07c8f3] | 2344 | def remove_dirs(self, dir): |
---|
| 2345 | """ |
---|
| 2346 | Remove the directory tree and all files rooted at dir. Log any errors, |
---|
| 2347 | but continue. |
---|
| 2348 | """ |
---|
| 2349 | self.log.debug("[removedirs]: removing %s" % dir) |
---|
| 2350 | try: |
---|
| 2351 | for path, dirs, files in os.walk(dir, topdown=False): |
---|
| 2352 | for f in files: |
---|
| 2353 | os.remove(os.path.join(path, f)) |
---|
| 2354 | for d in dirs: |
---|
| 2355 | os.rmdir(os.path.join(path, d)) |
---|
| 2356 | os.rmdir(dir) |
---|
| 2357 | except EnvironmentError, e: |
---|
| 2358 | self.log.error("Error deleting directory tree in %s" % e); |
---|
| 2359 | |
---|
[7a8d667] | 2360 | def terminate_experiment(self, req, fid): |
---|
[866c983] | 2361 | """ |
---|
| 2362 | Swap this experiment out on the federants and delete the shared |
---|
| 2363 | information |
---|
| 2364 | """ |
---|
| 2365 | tbparams = { } |
---|
| 2366 | req = req.get('TerminateRequestBody', None) |
---|
| 2367 | if not req: |
---|
| 2368 | raise service_error(service_error.req, |
---|
| 2369 | "Bad request format (no TerminateRequestBody)") |
---|
[db6b092] | 2370 | force = req.get('force', False) |
---|
[866c983] | 2371 | exp = req.get('experiment', None) |
---|
| 2372 | if exp: |
---|
| 2373 | if exp.has_key('fedid'): |
---|
| 2374 | key = exp['fedid'] |
---|
| 2375 | keytype = "fedid" |
---|
| 2376 | elif exp.has_key('localname'): |
---|
| 2377 | key = exp['localname'] |
---|
| 2378 | keytype = "localname" |
---|
| 2379 | else: |
---|
| 2380 | raise service_error(service_error.req, "Unknown lookup type") |
---|
| 2381 | else: |
---|
| 2382 | raise service_error(service_error.req, "No request?") |
---|
| 2383 | |
---|
| 2384 | self.check_experiment_access(fid, key) |
---|
| 2385 | |
---|
[db6b092] | 2386 | dealloc_list = [ ] |
---|
[46e4682] | 2387 | |
---|
| 2388 | |
---|
[5ae3857] | 2389 | # Create a logger that logs to the dealloc_list as well as to the main |
---|
| 2390 | # log file. |
---|
| 2391 | dealloc_log = logging.getLogger('fedd.experiment_control.%s' % key) |
---|
| 2392 | h = logging.StreamHandler(self.list_log(dealloc_list)) |
---|
| 2393 | # XXX: there should be a global one of these rather than repeating the |
---|
| 2394 | # code. |
---|
| 2395 | h.setFormatter(logging.Formatter("%(asctime)s %(name)s %(message)s", |
---|
| 2396 | '%d %b %y %H:%M:%S')) |
---|
| 2397 | dealloc_log.addHandler(h) |
---|
| 2398 | |
---|
| 2399 | self.state_lock.acquire() |
---|
| 2400 | fed_exp = self.state.get(key, None) |
---|
[e07c8f3] | 2401 | repo = None |
---|
[5ae3857] | 2402 | |
---|
| 2403 | if fed_exp: |
---|
| 2404 | # This branch of the conditional holds the lock to generate a |
---|
| 2405 | # consistent temporary tbparams variable to deallocate experiments. |
---|
| 2406 | # It releases the lock to do the deallocations and reacquires it to |
---|
| 2407 | # remove the experiment state when the termination is complete. |
---|
| 2408 | |
---|
| 2409 | # First make sure that the experiment creation is complete. |
---|
| 2410 | status = fed_exp.get('experimentStatus', None) |
---|
| 2411 | |
---|
| 2412 | if status: |
---|
| 2413 | if status in ('starting', 'terminating'): |
---|
| 2414 | if not force: |
---|
| 2415 | self.state_lock.release() |
---|
| 2416 | raise service_error(service_error.partial, |
---|
| 2417 | 'Experiment still being created or destroyed') |
---|
| 2418 | else: |
---|
| 2419 | self.log.warning('Experiment in %s state ' % status + \ |
---|
| 2420 | 'being terminated by force.') |
---|
| 2421 | else: |
---|
| 2422 | # No status??? trouble |
---|
| 2423 | self.state_lock.release() |
---|
| 2424 | raise service_error(service_error.internal, |
---|
| 2425 | "Experiment has no status!?") |
---|
| 2426 | |
---|
| 2427 | ids = [] |
---|
| 2428 | # experimentID is a list of dicts that are self-describing |
---|
| 2429 | # identifiers. This finds all the fedids and localnames - the |
---|
| 2430 | # keys of self.state - and puts them into ids. |
---|
| 2431 | for id in fed_exp.get('experimentID', []): |
---|
[e07c8f3] | 2432 | if id.has_key('fedid'): |
---|
| 2433 | ids.append(id['fedid']) |
---|
| 2434 | repo = "%s" % id['fedid'] |
---|
[5ae3857] | 2435 | if id.has_key('localname'): ids.append(id['localname']) |
---|
| 2436 | |
---|
[63a35b7] | 2437 | # Collect the allocation/segment ids into a dict keyed by the fedid |
---|
| 2438 | # of the allocation (or a monotonically increasing integer) that |
---|
| 2439 | # contains a tuple of uri, aid (which is a dict...) |
---|
| 2440 | for i, fed in enumerate(fed_exp.get('federant', [])): |
---|
[5ae3857] | 2441 | try: |
---|
[63a35b7] | 2442 | uri = fed['uri'] |
---|
| 2443 | aid = fed['allocID'] |
---|
| 2444 | k = fed['allocID'].get('fedid', i) |
---|
[5ae3857] | 2445 | except KeyError, e: |
---|
| 2446 | continue |
---|
[63a35b7] | 2447 | tbparams[k] = (uri, aid) |
---|
[5ae3857] | 2448 | fed_exp['experimentStatus'] = 'terminating' |
---|
| 2449 | if self.state_filename: self.write_state() |
---|
| 2450 | self.state_lock.release() |
---|
| 2451 | |
---|
| 2452 | # Stop everyone. NB, wait_for_all waits until a thread starts and |
---|
| 2453 | # then completes, so we can't wait if nothing starts. So, no |
---|
| 2454 | # tbparams, no start. |
---|
| 2455 | if len(tbparams) > 0: |
---|
| 2456 | thread_pool = self.thread_pool(self.nthreads) |
---|
[63a35b7] | 2457 | for k in tbparams.keys(): |
---|
[5ae3857] | 2458 | # Create and start a thread to stop the segment |
---|
| 2459 | thread_pool.wait_for_slot() |
---|
[63a35b7] | 2460 | uri, aid = tbparams[k] |
---|
[5ae3857] | 2461 | t = self.pooled_thread(\ |
---|
[e19b75c] | 2462 | target=self.terminate_segment(log=dealloc_log, |
---|
[63a35b7] | 2463 | testbed=uri, |
---|
[5ae3857] | 2464 | cert_file=self.cert_file, |
---|
| 2465 | cert_pwd=self.cert_pwd, |
---|
| 2466 | trusted_certs=self.trusted_certs, |
---|
| 2467 | caller=self.call_TerminateSegment), |
---|
[63a35b7] | 2468 | args=(uri, aid), name=k, |
---|
[5ae3857] | 2469 | pdata=thread_pool, trace_file=self.trace_file) |
---|
| 2470 | t.start() |
---|
| 2471 | # Wait for completions |
---|
| 2472 | thread_pool.wait_for_all_done() |
---|
| 2473 | |
---|
| 2474 | # release the allocations (failed experiments have done this |
---|
| 2475 | # already, and starting experiments may be in odd states, so we |
---|
| 2476 | # ignore errors releasing those allocations |
---|
| 2477 | try: |
---|
[63a35b7] | 2478 | for k in tbparams.keys(): |
---|
[ecf679e] | 2479 | # This releases access by uri |
---|
[63a35b7] | 2480 | uri, aid = tbparams[k] |
---|
| 2481 | self.release_access(None, aid, uri=uri) |
---|
[5ae3857] | 2482 | except service_error, e: |
---|
| 2483 | if status != 'failed' and not force: |
---|
| 2484 | raise e |
---|
| 2485 | |
---|
| 2486 | # Remove the terminated experiment |
---|
| 2487 | self.state_lock.acquire() |
---|
| 2488 | for id in ids: |
---|
| 2489 | if self.state.has_key(id): del self.state[id] |
---|
| 2490 | |
---|
| 2491 | if self.state_filename: self.write_state() |
---|
| 2492 | self.state_lock.release() |
---|
| 2493 | |
---|
[2761484] | 2494 | # Delete any synch points associated with this experiment. All |
---|
| 2495 | # synch points begin with the fedid of the experiment. |
---|
| 2496 | fedid_keys = set(["fedid:%s" % f for f in ids \ |
---|
| 2497 | if isinstance(f, fedid)]) |
---|
| 2498 | for k in self.synch_store.all_keys(): |
---|
| 2499 | try: |
---|
| 2500 | if len(k) > 45 and k[0:46] in fedid_keys: |
---|
| 2501 | self.synch_store.del_value(k) |
---|
[dadc4da] | 2502 | except synch_store.BadDeletionError: |
---|
[2761484] | 2503 | pass |
---|
| 2504 | self.write_store() |
---|
[e07c8f3] | 2505 | |
---|
| 2506 | # Remove software and other cached stuff from the filesystem. |
---|
| 2507 | if repo: |
---|
| 2508 | self.remove_dirs("%s/%s" % (self.repodir, repo)) |
---|
[2761484] | 2509 | |
---|
[5ae3857] | 2510 | return { |
---|
| 2511 | 'experiment': exp , |
---|
| 2512 | 'deallocationLog': "".join(dealloc_list), |
---|
| 2513 | } |
---|
| 2514 | else: |
---|
| 2515 | # Don't forget to release the lock |
---|
| 2516 | self.state_lock.release() |
---|
| 2517 | raise service_error(service_error.req, "No saved state") |
---|
[2761484] | 2518 | |
---|
| 2519 | |
---|
| 2520 | def GetValue(self, req, fid): |
---|
| 2521 | """ |
---|
| 2522 | Get a value from the synchronized store |
---|
| 2523 | """ |
---|
| 2524 | req = req.get('GetValueRequestBody', None) |
---|
| 2525 | if not req: |
---|
| 2526 | raise service_error(service_error.req, |
---|
| 2527 | "Bad request format (no GetValueRequestBody)") |
---|
| 2528 | |
---|
| 2529 | name = req['name'] |
---|
| 2530 | wait = req['wait'] |
---|
| 2531 | rv = { 'name': name } |
---|
| 2532 | |
---|
| 2533 | if self.auth.check_attribute(fid, name): |
---|
[d8442da] | 2534 | self.log.debug("[GetValue] asking for %s " % name) |
---|
[dadc4da] | 2535 | try: |
---|
| 2536 | v = self.synch_store.get_value(name, wait) |
---|
| 2537 | except synch_store.RevokedKeyError: |
---|
| 2538 | # No more synch on this key |
---|
| 2539 | raise service_error(service_error.federant, |
---|
| 2540 | "Synch key %s revoked" % name) |
---|
[2761484] | 2541 | if v is not None: |
---|
| 2542 | rv['value'] = v |
---|
[109a32a] | 2543 | self.log.debug("[GetValue] got %s from %s" % (v, name)) |
---|
[2761484] | 2544 | return rv |
---|
| 2545 | else: |
---|
| 2546 | raise service_error(service_error.access, "Access Denied") |
---|
| 2547 | |
---|
| 2548 | |
---|
| 2549 | def SetValue(self, req, fid): |
---|
| 2550 | """ |
---|
| 2551 | Set a value in the synchronized store |
---|
| 2552 | """ |
---|
| 2553 | req = req.get('SetValueRequestBody', None) |
---|
| 2554 | if not req: |
---|
| 2555 | raise service_error(service_error.req, |
---|
| 2556 | "Bad request format (no SetValueRequestBody)") |
---|
| 2557 | |
---|
| 2558 | name = req['name'] |
---|
| 2559 | v = req['value'] |
---|
| 2560 | |
---|
| 2561 | if self.auth.check_attribute(fid, name): |
---|
| 2562 | try: |
---|
| 2563 | self.synch_store.set_value(name, v) |
---|
| 2564 | self.write_store() |
---|
[109a32a] | 2565 | self.log.debug("[SetValue] set %s to %s" % (name, v)) |
---|
[2761484] | 2566 | except synch_store.CollisionError: |
---|
| 2567 | # Translate into a service_error |
---|
| 2568 | raise service_error(service_error.req, |
---|
| 2569 | "Value already set: %s" %name) |
---|
[dadc4da] | 2570 | except synch_store.RevokedKeyError: |
---|
| 2571 | # No more synch on this key |
---|
| 2572 | raise service_error(service_error.federant, |
---|
| 2573 | "Synch key %s revoked" % name) |
---|
[2761484] | 2574 | return { 'name': name, 'value': v } |
---|
| 2575 | else: |
---|
| 2576 | raise service_error(service_error.access, "Access Denied") |
---|