[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 | from ZSI import * |
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| 6 | from M2Crypto import SSL |
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| 7 | from M2Crypto.SSL.SSLServer import SSLServer |
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| 8 | import M2Crypto.httpslib |
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| 9 | |
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[d0ae12d] | 10 | import xml.parsers.expat |
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| 11 | |
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[6679c122] | 12 | import re |
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| 13 | import random |
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| 14 | import string |
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| 15 | import subprocess |
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| 16 | import tempfile |
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| 17 | import copy |
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[eee2b2e] | 18 | import pickle |
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[6679c122] | 19 | |
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[3441fe3] | 20 | import traceback |
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| 21 | |
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[1af38d6] | 22 | from threading import * |
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| 23 | |
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[6679c122] | 24 | from subprocess import * |
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| 25 | |
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| 26 | from fedd_services import * |
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| 27 | from fedd_internal_services import * |
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| 28 | from fedd_util import * |
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| 29 | import parse_detail |
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| 30 | from service_error import * |
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| 31 | |
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[11a08b0] | 32 | import logging |
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| 33 | |
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| 34 | class nullHandler(logging.Handler): |
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| 35 | def emit(self, record): pass |
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| 36 | |
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| 37 | fl = logging.getLogger("fedd.experiment_control") |
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| 38 | fl.addHandler(nullHandler()) |
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| 39 | |
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[19cc408] | 40 | class fedd_experiment_control_local: |
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[0ea11af] | 41 | """ |
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| 42 | Control of experiments that this system can directly access. |
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| 43 | |
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| 44 | Includes experiment creation, termination and information dissemination. |
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| 45 | Thred safe. |
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| 46 | """ |
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[6679c122] | 47 | scripts = ["fed_bootstrap", "federate.sh", "smbmount.FreeBSD.pl", |
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[7add1a3] | 48 | "smbmount.Linux.pl", "make_hosts", "fed-tun.pl", "fed-tun.ucb.pl", |
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[7a8d667] | 49 | "fed_evrepeater", "rc.accounts.patch"] |
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[6679c122] | 50 | |
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[1af38d6] | 51 | class thread_pool: |
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[0ea11af] | 52 | """ |
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| 53 | A class to keep track of a set of threads all invoked for the same |
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| 54 | task. Manages the mutual exclusion of the states. |
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| 55 | """ |
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[1af38d6] | 56 | def __init__(self): |
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[0ea11af] | 57 | """ |
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| 58 | Start a pool. |
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| 59 | """ |
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[1af38d6] | 60 | self.changed = Condition() |
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| 61 | self.started = 0 |
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| 62 | self.terminated = 0 |
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| 63 | |
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| 64 | def acquire(self): |
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[0ea11af] | 65 | """ |
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| 66 | Get the pool's lock. |
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| 67 | """ |
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[1af38d6] | 68 | self.changed.acquire() |
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| 69 | |
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| 70 | def release(self): |
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[0ea11af] | 71 | """ |
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| 72 | Release the pool's lock. |
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| 73 | """ |
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[1af38d6] | 74 | self.changed.release() |
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| 75 | |
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| 76 | def wait(self, timeout = None): |
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[0ea11af] | 77 | """ |
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| 78 | Wait for a pool thread to start or stop. |
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| 79 | """ |
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[1af38d6] | 80 | self.changed.wait(timeout) |
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| 81 | |
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| 82 | def start(self): |
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[0ea11af] | 83 | """ |
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| 84 | Called by a pool thread to report starting. |
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| 85 | """ |
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[1af38d6] | 86 | self.changed.acquire() |
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| 87 | self.started += 1 |
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| 88 | self.changed.notifyAll() |
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| 89 | self.changed.release() |
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| 90 | |
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| 91 | def terminate(self): |
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[0ea11af] | 92 | """ |
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| 93 | Called by a pool thread to report finishing. |
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| 94 | """ |
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[1af38d6] | 95 | self.changed.acquire() |
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| 96 | self.terminated += 1 |
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| 97 | self.changed.notifyAll() |
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| 98 | self.changed.release() |
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| 99 | |
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| 100 | def clear(self): |
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[0ea11af] | 101 | """ |
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| 102 | Clear all pool data. |
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| 103 | """ |
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[1af38d6] | 104 | self.changed.acquire() |
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| 105 | self.started = 0 |
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| 106 | self.terminated =0 |
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| 107 | self.changed.notifyAll() |
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| 108 | self.changed.release() |
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| 109 | |
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| 110 | class pooled_thread(Thread): |
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[0ea11af] | 111 | """ |
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| 112 | One of a set of threads dedicated to a specific task. Uses the |
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| 113 | thread_pool class above for coordination. |
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| 114 | """ |
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[1af38d6] | 115 | def __init__(self, group=None, target=None, name=None, args=(), |
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[3441fe3] | 116 | kwargs={}, pdata=None, trace_file=None): |
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[1af38d6] | 117 | Thread.__init__(self, group, target, name, args, kwargs) |
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[0ea11af] | 118 | self.rv = None # Return value of the ops in this thread |
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| 119 | self.exception = None # Exception that terminated this thread |
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| 120 | self.target=target # Target function to run on start() |
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| 121 | self.args = args # Args to pass to target |
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| 122 | self.kwargs = kwargs # Additional kw args |
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| 123 | self.pdata = pdata # thread_pool for this class |
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| 124 | # Logger for this thread |
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| 125 | self.log = logging.getLogger("fedd.experiment_control") |
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[1af38d6] | 126 | |
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| 127 | def run(self): |
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[0ea11af] | 128 | """ |
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| 129 | Emulate Thread.run, except add pool data manipulation and error |
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| 130 | logging. |
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| 131 | """ |
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[1af38d6] | 132 | if self.pdata: |
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| 133 | self.pdata.start() |
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| 134 | |
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| 135 | if self.target: |
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| 136 | try: |
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| 137 | self.rv = self.target(*self.args, **self.kwargs) |
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[3441fe3] | 138 | except service_error, s: |
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| 139 | self.exception = s |
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[0ea11af] | 140 | self.log.error("Thread exception: %s %s" % \ |
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| 141 | (s.code_string(), s.desc)) |
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[3441fe3] | 142 | except: |
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| 143 | self.exception = sys.exc_info()[1] |
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[0ea11af] | 144 | self.log.error(("Unexpected thread exception: %s" +\ |
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| 145 | "Trace %s") % (self.exception,\ |
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| 146 | traceback.format_exc())) |
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[1af38d6] | 147 | if self.pdata: |
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| 148 | self.pdata.terminate() |
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[6679c122] | 149 | |
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[19cc408] | 150 | def __init__(self, config=None): |
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[0ea11af] | 151 | """ |
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| 152 | Intialize the various attributes, most from the config object |
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| 153 | """ |
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[19cc408] | 154 | self.scripts = fedd_experiment_control_local.scripts |
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| 155 | self.thread_with_rv = fedd_experiment_control_local.pooled_thread |
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| 156 | self.thread_pool = fedd_experiment_control_local.thread_pool |
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| 157 | |
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| 158 | self.cert_file = None |
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| 159 | self.cert_pwd = None |
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| 160 | self.trusted_certs = None |
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| 161 | |
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[eee2b2e] | 162 | # Walk through the various relevant certificat specifying config |
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| 163 | # attributes until the local certificate attributes can be resolved. |
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[0ea11af] | 164 | # The walk is from most specific to most general specification. |
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[eee2b2e] | 165 | for p in ("create_experiment_", "proxy_", ""): |
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| 166 | filen = "%scert_file" % p |
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| 167 | pwn = "%scert_pwd" % p |
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| 168 | trustn = "%strusted_certs" % p |
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| 169 | |
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| 170 | if getattr(config, filen, None): |
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| 171 | if not self.cert_file: |
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| 172 | self.cert_file = getattr(config, filen, None) |
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| 173 | self.cert_pwd = getattr(config, pwn, None) |
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| 174 | |
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| 175 | if getattr(config, trustn, None): |
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| 176 | if not self.trusted_certs: |
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| 177 | self.trusted_certs = getattr(config, trustn, None) |
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[19cc408] | 178 | |
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| 179 | self.exp_stem = "fed-stem" |
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| 180 | self.debug = config.create_debug |
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[11a08b0] | 181 | self.log = logging.getLogger("fedd.experiment_control") |
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[19cc408] | 182 | self.muxmax = 2 |
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| 183 | self.nthreads = 2 |
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| 184 | self.randomize_experiments = False |
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| 185 | self.scp_exec = "/usr/bin/scp" |
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| 186 | self.scripts_dir = "/users/faber/testbed/federation" |
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| 187 | self.splitter = None |
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| 188 | self.ssh_exec="/usr/bin/ssh" |
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| 189 | self.ssh_keygen = "/usr/bin/ssh-keygen" |
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| 190 | self.ssh_identity_file = None |
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| 191 | # XXX |
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| 192 | self.ssh_pubkey_file = "/users/faber/.ssh/id_rsa.pub" |
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| 193 | self.ssh_type = "rsa" |
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| 194 | self.state = { } |
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[eee2b2e] | 195 | self.state_filename = config.experiment_state_file |
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[a97394b] | 196 | self.state_lock = Lock() |
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[19cc408] | 197 | self.tclsh = "/usr/local/bin/otclsh" |
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| 198 | self.tcl_splitter = "/usr/testbed/lib/ns2ir/parse.tcl" |
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| 199 | self.tbmap = { |
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| 200 | 'deter':'https://users.isi.deterlab.net:23235', |
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| 201 | 'emulab':'https://users.isi.deterlab.net:23236', |
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| 202 | 'ucb':'https://users.isi.deterlab.net:23237', |
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| 203 | } |
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| 204 | self.trace_file = sys.stderr |
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| 205 | |
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| 206 | self.def_expstart = \ |
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| 207 | "sudo -H /bin/sh FEDDIR/fed_bootstrap >& /tmp/federate"; |
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| 208 | self.def_mexpstart = "sudo -H FEDDIR/make_hosts FEDDIR/hosts"; |
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| 209 | self.def_gwstart = \ |
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| 210 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF>& /tmp/bridge.log"; |
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| 211 | self.def_mgwstart = \ |
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| 212 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF >& /tmp/bridge.log"; |
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| 213 | self.def_gwimage = "FBSD61-TUNNEL2"; |
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| 214 | self.def_gwtype = "pc"; |
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| 215 | |
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| 216 | |
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| 217 | if self.ssh_pubkey_file: |
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| 218 | try: |
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| 219 | f = open(self.ssh_pubkey_file, 'r') |
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| 220 | self.ssh_pubkey = f.read() |
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| 221 | f.close() |
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| 222 | except IOError: |
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| 223 | raise service_error(service_error.internal, |
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| 224 | "Cannot read sshpubkey") |
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| 225 | |
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[11a08b0] | 226 | # Set the logging level to the value passed in. The getattr slieght of |
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| 227 | # hand finds the logging level constant corrersponding to the string. |
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| 228 | # We're a little paranoid to avoid user mayhem. |
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| 229 | if config.experiment_log: |
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| 230 | try: |
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| 231 | level = int(getattr(logging, config.experiment_log.upper(),-1)) |
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| 232 | |
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| 233 | if logging.DEBUG <= level <= logging.CRITICAL: |
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| 234 | self.log.setLevel(level) |
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| 235 | else: |
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| 236 | self.log.error("Bad experiment_log value: %s" % \ |
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| 237 | config.experiment_log) |
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| 238 | |
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| 239 | except ValueError: |
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| 240 | self.log.error("Bad experiment_log value: %s" % \ |
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| 241 | config.experiment_log) |
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| 242 | |
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[0ea11af] | 243 | # Grab saved state. OK to do this w/o locking because it's read only |
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| 244 | # and only one thread should be in existence that can see self.state at |
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| 245 | # this point. |
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[eee2b2e] | 246 | if self.state_filename: |
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| 247 | self.read_state() |
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| 248 | |
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[19cc408] | 249 | # Confirm federation scripts in the right place |
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| 250 | for s in self.scripts: |
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| 251 | if not os.path.exists(self.scripts_dir + "/" + s): |
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| 252 | raise service_error(service_error.server_config, |
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| 253 | "%s/%s not in local script dir" % (self.scripts_dir, s)) |
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| 254 | |
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[0ea11af] | 255 | # Dispatch tables |
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| 256 | self.soap_services = {\ |
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[19cc408] | 257 | 'Create': make_soap_handler(\ |
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| 258 | CreateRequestMessage.typecode, |
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| 259 | getattr(self, "create_experiment"), |
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| 260 | CreateResponseMessage, |
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| 261 | "CreateResponseBody"), |
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| 262 | 'Vtopo': make_soap_handler(\ |
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| 263 | VtopoRequestMessage.typecode, |
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| 264 | getattr(self, "get_vtopo"), |
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| 265 | VtopoResponseMessage, |
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| 266 | "VtopoResponseBody"), |
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| 267 | 'Vis': make_soap_handler(\ |
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| 268 | VisRequestMessage.typecode, |
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| 269 | getattr(self, "get_vis"), |
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| 270 | VisResponseMessage, |
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| 271 | "VisResponseBody"), |
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| 272 | 'Info': make_soap_handler(\ |
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| 273 | InfoRequestMessage.typecode, |
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| 274 | getattr(self, "get_info"), |
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| 275 | InfoResponseMessage, |
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| 276 | "InfoResponseBody"), |
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| 277 | 'Terminate': make_soap_handler(\ |
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| 278 | TerminateRequestMessage.typecode, |
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| 279 | getattr(self, "terminate_experiment"), |
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| 280 | TerminateResponseMessage, |
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| 281 | "TerminateResponseBody"), |
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| 282 | } |
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| 283 | |
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[0ea11af] | 284 | self.xmlrpc_services = {\ |
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[19cc408] | 285 | 'Create': make_xmlrpc_handler(\ |
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| 286 | getattr(self, "create_experiment"), |
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| 287 | "CreateResponseBody"), |
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| 288 | 'Vtopo': make_xmlrpc_handler(\ |
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| 289 | getattr(self, "get_vtopo"), |
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| 290 | "VtopoResponseBody"), |
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| 291 | 'Vis': make_xmlrpc_handler(\ |
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| 292 | getattr(self, "get_vis"), |
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| 293 | "VisResponseBody"), |
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| 294 | 'Info': make_xmlrpc_handler(\ |
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| 295 | getattr(self, "get_info"), |
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| 296 | "InfoResponseBody"), |
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| 297 | 'Terminate': make_xmlrpc_handler(\ |
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| 298 | getattr(self, "terminate_experiment"), |
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| 299 | "TerminateResponseBody"), |
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| 300 | } |
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| 301 | |
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[6679c122] | 302 | def copy_file(self, src, dest, size=1024): |
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| 303 | """ |
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| 304 | Exceedingly simple file copy. |
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| 305 | """ |
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| 306 | s = open(src,'r') |
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| 307 | d = open(dest, 'w') |
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| 308 | |
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| 309 | buf = "x" |
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| 310 | while buf != "": |
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| 311 | buf = s.read(size) |
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| 312 | d.write(buf) |
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| 313 | s.close() |
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| 314 | d.close() |
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| 315 | |
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[a97394b] | 316 | # Call while holding self.state_lock |
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[eee2b2e] | 317 | def write_state(self): |
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[0ea11af] | 318 | """ |
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| 319 | Write a new copy of experiment state after copying the existing state |
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| 320 | to a backup. |
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| 321 | |
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| 322 | State format is a simple pickling of the state dictionary. |
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| 323 | """ |
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[eee2b2e] | 324 | if os.access(self.state_filename, os.W_OK): |
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| 325 | self.copy_file(self.state_filename, \ |
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| 326 | "%s.bak" % self.state_filename) |
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| 327 | try: |
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| 328 | f = open(self.state_filename, 'w') |
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| 329 | pickle.dump(self.state, f) |
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| 330 | except IOError, e: |
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[11a08b0] | 331 | self.log.error("Can't write file %s: %s" % \ |
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| 332 | (self.state_filename, e)) |
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[eee2b2e] | 333 | except pickle.PicklingError, e: |
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[11a08b0] | 334 | self.log.error("Pickling problem: %s" % e) |
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[eee2b2e] | 335 | |
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[a97394b] | 336 | # Call while holding self.state_lock |
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[eee2b2e] | 337 | def read_state(self): |
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[0ea11af] | 338 | """ |
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| 339 | Read a new copy of experiment state. Old state is overwritten. |
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| 340 | |
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| 341 | State format is a simple pickling of the state dictionary. |
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| 342 | """ |
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[eee2b2e] | 343 | try: |
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| 344 | f = open(self.state_filename, "r") |
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| 345 | self.state = pickle.load(f) |
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| 346 | except IOError, e: |
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[11a08b0] | 347 | self.log.warning("No saved state: Can't open %s: %s" % \ |
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| 348 | (self.state_filename, e)) |
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[eee2b2e] | 349 | except pickle.UnpicklingError, e: |
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[11a08b0] | 350 | self.log.warning("No saved state: Unpickling failed: %s" % e) |
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[eee2b2e] | 351 | |
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[6679c122] | 352 | def scp_file(self, file, user, host, dest=""): |
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| 353 | """ |
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[0ea11af] | 354 | scp a file to the remote host. If debug is set the action is only |
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| 355 | logged. |
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[6679c122] | 356 | """ |
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[d0ae12d] | 357 | |
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| 358 | scp_cmd = [self.scp_exec, file, "%s@%s:%s" % (user, host, dest)] |
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[11a08b0] | 359 | rv = 0 |
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[3441fe3] | 360 | |
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[11a08b0] | 361 | self.log.debug("[scp_file]: %s" % " ".join(scp_cmd)) |
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[d0ae12d] | 362 | if not self.debug: |
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[3441fe3] | 363 | rv = call(scp_cmd, stdout=trace, stderr=trace) |
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[d0ae12d] | 364 | |
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| 365 | return rv == 0 |
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[6679c122] | 366 | |
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[3441fe3] | 367 | def ssh_cmd(self, user, host, cmd, wname=None): |
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[0ea11af] | 368 | """ |
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| 369 | Run a remote command on host as user. If debug is set, the action is |
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| 370 | only logged. |
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| 371 | """ |
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[d0ae12d] | 372 | sh_str = "%s %s@%s %s" % (self.ssh_exec, user, host, cmd) |
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| 373 | |
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[11a08b0] | 374 | self.log.debug("[ssh_cmd]: %s" % sh_str) |
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[d0ae12d] | 375 | if not self.debug: |
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[3441fe3] | 376 | sub = Popen(sh_str, shell=True, stdout=trace, stderr=trace) |
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[d0ae12d] | 377 | return sub.wait() == 0 |
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| 378 | else: |
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| 379 | return True |
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[6679c122] | 380 | |
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| 381 | def ship_scripts(self, host, user, dest_dir): |
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[0ea11af] | 382 | """ |
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| 383 | Copy the federation scripts (fedkit) to the a federant. |
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| 384 | """ |
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[6679c122] | 385 | if self.ssh_cmd(user, host, "mkdir -p %s" % dest_dir): |
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| 386 | for s in self.scripts: |
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| 387 | if not self.scp_file("%s/%s" % (self.scripts_dir, s), |
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| 388 | user, host, dest_dir): |
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| 389 | return False |
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| 390 | return True |
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| 391 | else: |
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| 392 | return False |
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| 393 | |
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| 394 | def ship_configs(self, host, user, src_dir, dest_dir): |
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[0ea11af] | 395 | """ |
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| 396 | Copy federant-specific configuration files to the federant. |
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| 397 | """ |
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[6679c122] | 398 | if not self.ssh_cmd(user, host, "mkdir -p %s" % dest_dir): |
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| 399 | return False |
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| 400 | if not self.ssh_cmd(user, host, "chmod 770 %s" % dest_dir): |
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| 401 | return False |
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| 402 | |
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| 403 | for f in os.listdir(src_dir): |
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| 404 | if os.path.isdir(f): |
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| 405 | if not self.ship_configs(host, user, "%s/%s" % (src_dir, f), |
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| 406 | "%s/%s" % (dest_dir, f)): |
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| 407 | return False |
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| 408 | else: |
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| 409 | if not self.scp_file("%s/%s" % (src_dir, f), |
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| 410 | user, host, dest_dir): |
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| 411 | return False |
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| 412 | return True |
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| 413 | |
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[6546868] | 414 | def start_segment(self, tb, eid, tbparams, tmpdir, timeout=0): |
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[0ea11af] | 415 | """ |
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| 416 | Start a sub-experiment on a federant. |
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| 417 | |
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| 418 | Get the current state, modify or create as appropriate, ship data and |
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| 419 | configs and start the experiment. There are small ordering differences |
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| 420 | based on the initial state of the sub-experiment. |
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| 421 | """ |
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| 422 | # ops node in the federant |
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[6679c122] | 423 | host = "%s%s" % (tbparams[tb]['host'], tbparams[tb]['domain']) |
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[0ea11af] | 424 | user = tbparams[tb]['user'] # federant user |
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| 425 | pid = tbparams[tb]['project'] # federant project |
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[6679c122] | 426 | # XXX |
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[0d830de] | 427 | base_confs = ( "hosts",) |
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[0ea11af] | 428 | tclfile = "%s.%s.tcl" % (eid, tb) # sub-experiment description |
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| 429 | # command to test experiment state |
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| 430 | expinfo_exec = "/usr/testbed/bin/expinfo" |
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| 431 | # Configuration directories on the remote machine |
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[6679c122] | 432 | proj_dir = "/proj/%s/exp/%s/tmp" % (pid, eid) |
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| 433 | tarfiles_dir = "/proj/%s/tarfiles/%s" % (pid, eid) |
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| 434 | rpms_dir = "/proj/%s/rpms/%s" % (pid, eid) |
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[0ea11af] | 435 | # Regular expressions to parse the expinfo response |
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[6679c122] | 436 | state_re = re.compile("State:\s+(\w+)") |
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[3441fe3] | 437 | no_exp_re = re.compile("^No\s+such\s+experiment") |
---|
[0ea11af] | 438 | state = None # Experiment state parsed from expinfo |
---|
| 439 | # The expinfo ssh command |
---|
[3441fe3] | 440 | cmd = [self.ssh_exec, "%s@%s" % (user, host), expinfo_exec, pid, eid] |
---|
| 441 | |
---|
[0ea11af] | 442 | # Get status |
---|
[11a08b0] | 443 | self.log.debug("[start_segment]: %s"% " ".join(cmd)) |
---|
| 444 | dev_null = None |
---|
| 445 | try: |
---|
| 446 | dev_null = open("/dev/null", "a") |
---|
| 447 | except IOError, e: |
---|
| 448 | self.log.error("[start_segment]: can't open /dev/null: %s" %e) |
---|
[3441fe3] | 449 | |
---|
[11a08b0] | 450 | status = Popen(cmd, stdout=PIPE, stderr=dev_null) |
---|
[6679c122] | 451 | for line in status.stdout: |
---|
| 452 | m = state_re.match(line) |
---|
| 453 | if m: state = m.group(1) |
---|
[3441fe3] | 454 | else: |
---|
| 455 | m = no_exp_re.match(line) |
---|
| 456 | if m: state = "none" |
---|
[6679c122] | 457 | rv = status.wait() |
---|
[0ea11af] | 458 | |
---|
[0d830de] | 459 | # If the experiment is not present the subcommand returns a non-zero |
---|
| 460 | # return value. If we successfully parsed a "none" outcome, ignore the |
---|
| 461 | # return code. |
---|
[3441fe3] | 462 | if rv != 0 and state != "none": |
---|
[6679c122] | 463 | raise service_error(service_error.internal, |
---|
| 464 | "Cannot get status of segment %s:%s/%s" % (tb, pid, eid)) |
---|
[11a08b0] | 465 | |
---|
| 466 | self.log.debug("[start_segment]: %s: %s" % (tb, state)) |
---|
| 467 | self.log.info("[start_segment]:transferring experiment to %s" % tb) |
---|
[6679c122] | 468 | |
---|
[6546868] | 469 | if not self.scp_file("%s/%s/%s" % (tmpdir, tb, tclfile), user, host): |
---|
[6679c122] | 470 | return False |
---|
[a8b42b5] | 471 | # Clear the federation files |
---|
| 472 | if not self.ssh_cmd(user, host, |
---|
| 473 | "/bin/sh -c \"'/bin/rm -rf %s'\"" % proj_dir): |
---|
| 474 | return False |
---|
| 475 | if not self.ssh_cmd(user, host, |
---|
| 476 | "/bin/sh -c \"'mkdir -p %s'\"" % proj_dir): |
---|
| 477 | return False |
---|
[6679c122] | 478 | # Clear and create the tarfiles and rpm directories |
---|
| 479 | for d in (tarfiles_dir, rpms_dir): |
---|
| 480 | if not self.ssh_cmd(user, host, |
---|
| 481 | "/bin/sh -c \"'/bin/rm -rf %s/*'\"" % d): |
---|
| 482 | return False |
---|
| 483 | if not self.ssh_cmd(user, host, "mkdir -p %s" % d, |
---|
| 484 | "create tarfiles"): |
---|
| 485 | return False |
---|
| 486 | |
---|
| 487 | if state == 'active': |
---|
| 488 | # Remote experiment is active. Modify it. |
---|
| 489 | for f in base_confs: |
---|
[6546868] | 490 | if not self.scp_file("%s/%s" % (tmpdir, f), user, host, |
---|
[6679c122] | 491 | "%s/%s" % (proj_dir, f)): |
---|
| 492 | return False |
---|
| 493 | if not self.ship_scripts(host, user, proj_dir): |
---|
| 494 | return False |
---|
[6546868] | 495 | if not self.ship_configs(host, user, "%s/%s" % (tmpdir, tb), |
---|
[6679c122] | 496 | proj_dir): |
---|
| 497 | return False |
---|
[6546868] | 498 | if os.path.isdir("%s/tarfiles" % tmpdir): |
---|
[6679c122] | 499 | if not self.ship_configs(host, user, |
---|
[6546868] | 500 | "%s/tarfiles" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 501 | return False |
---|
[6546868] | 502 | if os.path.isdir("%s/rpms" % tmpdir): |
---|
[6679c122] | 503 | if not self.ship_configs(host, user, |
---|
[6546868] | 504 | "%s/rpms" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 505 | return False |
---|
[11a08b0] | 506 | self.log.info("[start_segment]: Modifying %s on %s" % (eid, tb)) |
---|
[6679c122] | 507 | if not self.ssh_cmd(user, host, |
---|
| 508 | "/usr/testbed/bin/modexp -r -s -w %s %s %s" % \ |
---|
| 509 | (pid, eid, tclfile), "modexp"): |
---|
| 510 | return False |
---|
| 511 | return True |
---|
| 512 | elif state == "swapped": |
---|
| 513 | # Remote experiment swapped out. Modify it and swap it in. |
---|
| 514 | for f in base_confs: |
---|
[6546868] | 515 | if not self.scp_file("%s/%s" % (tmpdir, f), user, host, |
---|
[6679c122] | 516 | "%s/%s" % (proj_dir, f)): |
---|
| 517 | return False |
---|
| 518 | if not self.ship_scripts(host, user, proj_dir): |
---|
| 519 | return False |
---|
[6546868] | 520 | if not self.ship_configs(host, user, "%s/%s" % (tmpdir, tb), |
---|
[6679c122] | 521 | proj_dir): |
---|
| 522 | return False |
---|
[6546868] | 523 | if os.path.isdir("%s/tarfiles" % tmpdir): |
---|
[6679c122] | 524 | if not self.ship_configs(host, user, |
---|
[6546868] | 525 | "%s/tarfiles" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 526 | return False |
---|
[6546868] | 527 | if os.path.isdir("%s/rpms" % tmpdir): |
---|
[6679c122] | 528 | if not self.ship_configs(host, user, |
---|
[6546868] | 529 | "%s/rpms" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 530 | return False |
---|
[11a08b0] | 531 | self.log.info("[start_segment]: Modifying %s on %s" % (eid, tb)) |
---|
[6679c122] | 532 | if not self.ssh_cmd(user, host, |
---|
| 533 | "/usr/testbed/bin/modexp -w %s %s %s" % (pid, eid, tclfile), |
---|
| 534 | "modexp"): |
---|
| 535 | return False |
---|
[11a08b0] | 536 | self.log.info("[start_segment]: Swapping %s in on %s" % (eid, tb)) |
---|
[6679c122] | 537 | if not self.ssh_cmd(user, host, |
---|
| 538 | "/usr/testbed/bin/swapexp -w %s %s in" % (pid, eid), |
---|
[3441fe3] | 539 | "swapexp"): |
---|
[6679c122] | 540 | return False |
---|
| 541 | return True |
---|
| 542 | elif state == "none": |
---|
| 543 | # No remote experiment. Create one. We do this in 2 steps so we |
---|
| 544 | # can put the configuration files and scripts into the new |
---|
| 545 | # experiment directories. |
---|
| 546 | |
---|
| 547 | # Tarfiles must be present for creation to work |
---|
[6546868] | 548 | if os.path.isdir("%s/tarfiles" % tmpdir): |
---|
[6679c122] | 549 | if not self.ship_configs(host, user, |
---|
[6546868] | 550 | "%s/tarfiles" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 551 | return False |
---|
[6546868] | 552 | if os.path.isdir("%s/rpms" % tmpdir): |
---|
[6679c122] | 553 | if not self.ship_configs(host, user, |
---|
[6546868] | 554 | "%s/rpms" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 555 | return False |
---|
[11a08b0] | 556 | self.log.info("[start_segment]: Creating %s on %s" % (eid, tb)) |
---|
[6679c122] | 557 | if not self.ssh_cmd(user, host, |
---|
| 558 | "/usr/testbed/bin/startexp -i -f -w -p %s -e %s %s" % \ |
---|
[3441fe3] | 559 | (pid, eid, tclfile), "startexp"): |
---|
[6679c122] | 560 | return False |
---|
| 561 | # After startexp the per-experiment directories exist |
---|
| 562 | for f in base_confs: |
---|
[6546868] | 563 | if not self.scp_file("%s/%s" % (tmpdir, f), user, host, |
---|
[6679c122] | 564 | "%s/%s" % (proj_dir, f)): |
---|
| 565 | return False |
---|
| 566 | if not self.ship_scripts(host, user, proj_dir): |
---|
| 567 | return False |
---|
[6546868] | 568 | if not self.ship_configs(host, user, "%s/%s" % (tmpdir, tb), |
---|
[6679c122] | 569 | proj_dir): |
---|
| 570 | return False |
---|
[11a08b0] | 571 | self.log.info("[start_segment]: Swapping %s in on %s" % (eid, tb)) |
---|
[6679c122] | 572 | if not self.ssh_cmd(user, host, |
---|
| 573 | "/usr/testbed/bin/swapexp -w %s %s in" % (pid, eid), |
---|
[3441fe3] | 574 | "swapexp"): |
---|
[6679c122] | 575 | return False |
---|
| 576 | return True |
---|
| 577 | else: |
---|
[11a08b0] | 578 | self.log.debug("[start_segment]:unknown state %s" % state) |
---|
[6679c122] | 579 | return False |
---|
| 580 | |
---|
| 581 | def stop_segment(self, tb, eid, tbparams): |
---|
[0ea11af] | 582 | """ |
---|
| 583 | Stop a sub experiment by calling swapexp on the federant |
---|
| 584 | """ |
---|
[6679c122] | 585 | user = tbparams[tb]['user'] |
---|
[ea0a821] | 586 | host = tbparams[tb]['host'] |
---|
[6679c122] | 587 | pid = tbparams[tb]['project'] |
---|
| 588 | |
---|
[11a08b0] | 589 | self.log.info("[stop_segment]: Stopping %s on %s" % (eid, tb)) |
---|
[6679c122] | 590 | return self.ssh_cmd(user, host, |
---|
[3441fe3] | 591 | "/usr/testbed/bin/swapexp -w %s %s out" % (pid, eid)) |
---|
[6679c122] | 592 | |
---|
| 593 | |
---|
| 594 | def generate_ssh_keys(self, dest, type="rsa" ): |
---|
| 595 | """ |
---|
| 596 | Generate a set of keys for the gateways to use to talk. |
---|
| 597 | |
---|
| 598 | Keys are of type type and are stored in the required dest file. |
---|
| 599 | """ |
---|
| 600 | valid_types = ("rsa", "dsa") |
---|
| 601 | t = type.lower(); |
---|
| 602 | if t not in valid_types: raise ValueError |
---|
[11a08b0] | 603 | cmd = [self.ssh_keygen, '-t', t, '-N', '', '-f', dest] |
---|
[3441fe3] | 604 | |
---|
[11a08b0] | 605 | try: |
---|
| 606 | trace = open("/dev/null", "w") |
---|
| 607 | except IOError: |
---|
| 608 | raise service_error(service_error.internal, |
---|
| 609 | "Cannot open /dev/null??"); |
---|
[3441fe3] | 610 | |
---|
[6679c122] | 611 | # May raise CalledProcessError |
---|
[11a08b0] | 612 | self.log.debug("[generate_ssh_keys]: %s" % " ".join(cmd)) |
---|
| 613 | rv = call(cmd, stdout=trace, stderr=trace) |
---|
[6679c122] | 614 | if rv != 0: |
---|
| 615 | raise service_error(service_error.internal, |
---|
| 616 | "Cannot generate nonce ssh keys. %s return code %d" \ |
---|
| 617 | % (self.ssh_keygen, rv)) |
---|
| 618 | |
---|
[0d830de] | 619 | def gentopo(self, str): |
---|
[0ea11af] | 620 | """ |
---|
| 621 | Generate the topology dtat structure from the splitter's XML |
---|
| 622 | representation of it. |
---|
| 623 | |
---|
| 624 | The topology XML looks like: |
---|
| 625 | <experiment> |
---|
| 626 | <nodes> |
---|
| 627 | <node><vname></vname><ips>ip1:ip2</ips></node> |
---|
| 628 | </nodes> |
---|
| 629 | <lans> |
---|
| 630 | <lan> |
---|
| 631 | <vname></vname><vnode></vnode><ip></ip> |
---|
| 632 | <bandwidth></bandwidth><member>node:port</member> |
---|
| 633 | </lan> |
---|
| 634 | </lans> |
---|
| 635 | """ |
---|
[d0ae12d] | 636 | class topo_parse: |
---|
[0ea11af] | 637 | """ |
---|
| 638 | Parse the topology XML and create the dats structure. |
---|
| 639 | """ |
---|
[d0ae12d] | 640 | def __init__(self): |
---|
[0ea11af] | 641 | # Typing of the subelements for data conversion |
---|
[0d830de] | 642 | self.str_subelements = ('vname', 'vnode', 'ips', 'ip', 'member') |
---|
| 643 | self.int_subelements = ( 'bandwidth',) |
---|
| 644 | self.float_subelements = ( 'delay',) |
---|
[0ea11af] | 645 | # The final data structure |
---|
[0d830de] | 646 | self.nodes = [ ] |
---|
| 647 | self.lans = [ ] |
---|
| 648 | self.topo = { \ |
---|
[bcbf543] | 649 | 'node': self.nodes,\ |
---|
| 650 | 'lan' : self.lans,\ |
---|
[0d830de] | 651 | } |
---|
[0ea11af] | 652 | self.element = { } # Current element being created |
---|
| 653 | self.chars = "" # Last text seen |
---|
[0d830de] | 654 | |
---|
[d0ae12d] | 655 | def end_element(self, name): |
---|
[0ea11af] | 656 | # After each sub element the contents is added to the current |
---|
| 657 | # element or to the appropriate list. |
---|
[0d830de] | 658 | if name == 'node': |
---|
| 659 | self.nodes.append(self.element) |
---|
| 660 | self.element = { } |
---|
| 661 | elif name == 'lan': |
---|
| 662 | self.lans.append(self.element) |
---|
| 663 | self.element = { } |
---|
| 664 | elif name in self.str_subelements: |
---|
| 665 | self.element[name] = self.chars |
---|
| 666 | self.chars = "" |
---|
| 667 | elif name in self.int_subelements: |
---|
| 668 | self.element[name] = int(self.chars) |
---|
| 669 | self.chars = "" |
---|
| 670 | elif name in self.float_subelements: |
---|
| 671 | self.element[name] = float(self.chars) |
---|
| 672 | self.chars = "" |
---|
[d0ae12d] | 673 | |
---|
| 674 | def found_chars(self, data): |
---|
[0d830de] | 675 | self.chars += data.rstrip() |
---|
| 676 | |
---|
| 677 | |
---|
| 678 | tp = topo_parse(); |
---|
| 679 | parser = xml.parsers.expat.ParserCreate() |
---|
| 680 | parser.EndElementHandler = tp.end_element |
---|
| 681 | parser.CharacterDataHandler = tp.found_chars |
---|
| 682 | |
---|
| 683 | parser.Parse(str) |
---|
| 684 | |
---|
| 685 | return tp.topo |
---|
| 686 | |
---|
| 687 | |
---|
| 688 | def genviz(self, topo): |
---|
| 689 | """ |
---|
| 690 | Generate the visualization the virtual topology |
---|
| 691 | """ |
---|
[d0ae12d] | 692 | |
---|
| 693 | neato = "/usr/local/bin/neato" |
---|
| 694 | # These are used to parse neato output and to create the visualization |
---|
| 695 | # file. |
---|
| 696 | vis_re = re.compile('^\s*"?([\w\-]+)"?\s+\[.*pos="(\d+),(\d+)"') |
---|
| 697 | vis_fmt = "<node><name>%s</name><x>%s</x><y>%s</y><type>" + \ |
---|
[0d830de] | 698 | "%s</type></node>" |
---|
| 699 | |
---|
| 700 | try: |
---|
| 701 | # Node names |
---|
[bcbf543] | 702 | nodes = [ n['vname'] for n in topo['node'] ] |
---|
| 703 | topo_lans = topo['lan'] |
---|
[0d830de] | 704 | except KeyError: |
---|
| 705 | raise service_error(service_error.internal, "Bad topology") |
---|
| 706 | |
---|
| 707 | lans = { } |
---|
| 708 | links = { } |
---|
| 709 | |
---|
| 710 | # Walk through the virtual topology, organizing the connections into |
---|
| 711 | # 2-node connections (links) and more-than-2-node connections (lans). |
---|
| 712 | # When a lan is created, it's added to the list of nodes (there's a |
---|
| 713 | # node in the visualization for the lan). |
---|
| 714 | for l in topo_lans: |
---|
| 715 | if links.has_key(l['vname']): |
---|
| 716 | if len(links[l['vname']]) < 2: |
---|
| 717 | links[l['vname']].append(l['vnode']) |
---|
| 718 | else: |
---|
| 719 | nodes.append(l['vname']) |
---|
| 720 | lans[l['vname']] = links[l['vname']] |
---|
| 721 | del links[l['vname']] |
---|
| 722 | lans[l['vname']].append(l['vnode']) |
---|
| 723 | elif lans.has_key(l['vname']): |
---|
| 724 | lans[l['vname']].append(l['vnode']) |
---|
| 725 | else: |
---|
| 726 | links[l['vname']] = [ l['vnode'] ] |
---|
| 727 | |
---|
| 728 | |
---|
| 729 | # Open up a temporary file for dot to turn into a visualization |
---|
[d0ae12d] | 730 | try: |
---|
| 731 | df, dotname = tempfile.mkstemp() |
---|
| 732 | dotfile = os.fdopen(df, 'w') |
---|
| 733 | except IOError: |
---|
| 734 | raise service_error(service_error.internal, |
---|
| 735 | "Failed to open file in genviz") |
---|
| 736 | |
---|
| 737 | # Generate a dot/neato input file from the links, nodes and lans |
---|
| 738 | try: |
---|
| 739 | print >>dotfile, "graph G {" |
---|
[0d830de] | 740 | for n in nodes: |
---|
[d0ae12d] | 741 | print >>dotfile, '\t"%s"' % n |
---|
[0d830de] | 742 | for l in links.keys(): |
---|
| 743 | print >>dotfile, '\t"%s" -- "%s"' % tuple(links[l]) |
---|
| 744 | for l in lans.keys(): |
---|
| 745 | for n in lans[l]: |
---|
[d0ae12d] | 746 | print >>dotfile, '\t "%s" -- "%s"' % (n,l) |
---|
| 747 | print >>dotfile, "}" |
---|
| 748 | dotfile.close() |
---|
[0d830de] | 749 | except TypeError: |
---|
| 750 | raise service_error(service_error.internal, |
---|
| 751 | "Single endpoint link in vtopo") |
---|
[d0ae12d] | 752 | except IOError: |
---|
| 753 | raise service_error(service_error.internal, "Cannot write dot file") |
---|
| 754 | |
---|
| 755 | # Use dot to create a visualization |
---|
| 756 | dot = Popen([neato, '-Gstart=rand', '-Gepsilon=0.005', '-Gmaxiter=2000', |
---|
| 757 | '-Gpack=true', dotname], stdout=PIPE) |
---|
| 758 | |
---|
[0d830de] | 759 | # Translate dot to vis format |
---|
| 760 | vis_nodes = [ ] |
---|
| 761 | vis = { 'node': vis_nodes } |
---|
| 762 | for line in dot.stdout: |
---|
| 763 | m = vis_re.match(line) |
---|
| 764 | if m: |
---|
| 765 | vn = m.group(1) |
---|
| 766 | vis_node = {'name': vn, \ |
---|
[bcbf543] | 767 | 'x': float(m.group(2)),\ |
---|
| 768 | 'y' : float(m.group(3)),\ |
---|
[0d830de] | 769 | } |
---|
| 770 | if vn in links.keys() or vn in lans.keys(): |
---|
| 771 | vis_node['type'] = 'lan' |
---|
| 772 | else: |
---|
| 773 | vis_node['type'] = 'node' |
---|
| 774 | vis_nodes.append(vis_node) |
---|
[d0ae12d] | 775 | rv = dot.wait() |
---|
[0d830de] | 776 | |
---|
[d0ae12d] | 777 | os.remove(dotname) |
---|
[0d830de] | 778 | if rv == 0 : return vis |
---|
| 779 | else: return None |
---|
[d0ae12d] | 780 | |
---|
[6679c122] | 781 | |
---|
| 782 | def get_access(self, tb, nodes, user, tbparam): |
---|
| 783 | """ |
---|
| 784 | Get access to testbed through fedd and set the parameters for that tb |
---|
| 785 | """ |
---|
| 786 | |
---|
| 787 | translate_attr = { |
---|
| 788 | 'slavenodestartcmd': 'expstart', |
---|
| 789 | 'slaveconnectorstartcmd': 'gwstart', |
---|
| 790 | 'masternodestartcmd': 'mexpstart', |
---|
| 791 | 'masterconnectorstartcmd': 'mgwstart', |
---|
| 792 | 'connectorimage': 'gwimage', |
---|
| 793 | 'connectortype': 'gwtype', |
---|
| 794 | 'tunnelcfg': 'tun', |
---|
[3441fe3] | 795 | 'smbshare': 'smbshare', |
---|
[6679c122] | 796 | } |
---|
| 797 | |
---|
| 798 | # XXX multi-level access |
---|
| 799 | uri = self.tbmap.get(tb, None) |
---|
| 800 | if not uri: |
---|
| 801 | raise service_error(serice_error.server_config, |
---|
| 802 | "Unknown testbed: %s" % tb) |
---|
| 803 | |
---|
| 804 | # The basic request |
---|
| 805 | req = {\ |
---|
| 806 | 'destinationTestbed' : { 'uri' : uri }, |
---|
| 807 | 'user': user, |
---|
[e40c7ee] | 808 | 'allocID' : { 'localname': 'test' }, |
---|
[6679c122] | 809 | 'access' : [ { 'sshPubkey' : self.ssh_pubkey } ] |
---|
| 810 | } |
---|
| 811 | |
---|
| 812 | # node resources if any |
---|
| 813 | if nodes != None and len(nodes) > 0: |
---|
| 814 | rnodes = [ ] |
---|
| 815 | for n in nodes: |
---|
| 816 | rn = { } |
---|
| 817 | image, hw, count = n.split(":") |
---|
| 818 | if image: rn['image'] = [ image ] |
---|
| 819 | if hw: rn['hardware'] = [ hw ] |
---|
| 820 | if count: rn['count'] = int(count) |
---|
| 821 | rnodes.append(rn) |
---|
| 822 | req['resources']= { } |
---|
| 823 | req['resources']['node'] = rnodes |
---|
| 824 | |
---|
| 825 | # No retry loop here. Proxy servers must correctly authenticate |
---|
| 826 | # themselves without help |
---|
[19cc408] | 827 | |
---|
[6679c122] | 828 | try: |
---|
| 829 | ctx = fedd_ssl_context(self.cert_file, |
---|
| 830 | self.trusted_certs, password=self.cert_pwd) |
---|
| 831 | except SSL.SSLError: |
---|
| 832 | raise service_error(service_error.server_config, |
---|
| 833 | "Server certificates misconfigured") |
---|
| 834 | |
---|
| 835 | loc = feddServiceLocator(); |
---|
| 836 | port = loc.getfeddPortType(uri, |
---|
| 837 | transport=M2Crypto.httpslib.HTTPSConnection, |
---|
| 838 | transdict={ 'ssl_context' : ctx }) |
---|
| 839 | |
---|
| 840 | # Reconstruct the full request message |
---|
| 841 | msg = RequestAccessRequestMessage() |
---|
| 842 | msg.set_element_RequestAccessRequestBody( |
---|
| 843 | pack_soap(msg, "RequestAccessRequestBody", req)) |
---|
[19cc408] | 844 | |
---|
[6679c122] | 845 | try: |
---|
| 846 | resp = port.RequestAccess(msg) |
---|
| 847 | except ZSI.ParseException, e: |
---|
| 848 | raise service_error(service_error.req, |
---|
| 849 | "Bad format message (XMLRPC??): %s" % |
---|
| 850 | str(e)) |
---|
| 851 | r = unpack_soap(resp) |
---|
| 852 | |
---|
| 853 | if r.has_key('RequestAccessResponseBody'): |
---|
| 854 | r = r['RequestAccessResponseBody'] |
---|
| 855 | else: |
---|
| 856 | raise service_error(service_error.proxy, |
---|
| 857 | "Bad proxy response") |
---|
| 858 | |
---|
| 859 | |
---|
| 860 | e = r['emulab'] |
---|
| 861 | p = e['project'] |
---|
| 862 | tbparam[tb] = { |
---|
| 863 | "boss": e['boss'], |
---|
| 864 | "host": e['ops'], |
---|
| 865 | "domain": e['domain'], |
---|
| 866 | "fs": e['fileServer'], |
---|
| 867 | "eventserver": e['eventServer'], |
---|
[3441fe3] | 868 | "project": unpack_id(p['name']), |
---|
| 869 | "emulab" : e |
---|
[6679c122] | 870 | } |
---|
[7a8d667] | 871 | # Make the testbed name be the label the user applied |
---|
| 872 | p['testbed'] = {'localname': tb } |
---|
[6679c122] | 873 | |
---|
| 874 | for u in p['user']: |
---|
| 875 | tbparam[tb]['user'] = unpack_id(u['userID']) |
---|
| 876 | |
---|
| 877 | for a in e['fedAttr']: |
---|
| 878 | if a['attribute']: |
---|
| 879 | key = translate_attr.get(a['attribute'].lower(), None) |
---|
| 880 | if key: |
---|
| 881 | tbparam[tb][key]= a['value'] |
---|
| 882 | |
---|
| 883 | class current_testbed: |
---|
[0ea11af] | 884 | """ |
---|
| 885 | Object for collecting the current testbed description. The testbed |
---|
| 886 | description is saved to a file with the local testbed variables |
---|
| 887 | subsittuted line by line. |
---|
| 888 | """ |
---|
[6679c122] | 889 | def __init__(self, eid, tmpdir): |
---|
| 890 | self.begin_testbed = re.compile("^#\s+Begin\s+Testbed\s+\((\w+)\)") |
---|
| 891 | self.end_testbed = re.compile("^#\s+End\s+Testbed\s+\((\w+)\)") |
---|
| 892 | self.current_testbed = None |
---|
| 893 | self.testbed_file = None |
---|
| 894 | |
---|
| 895 | self.def_expstart = \ |
---|
| 896 | "sudo -H /bin/sh FEDDIR/fed_bootstrap >& /tmp/federate"; |
---|
| 897 | self.def_mexpstart = "sudo -H FEDDIR/make_hosts FEDDIR/hosts"; |
---|
| 898 | self.def_gwstart = \ |
---|
| 899 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF>& /tmp/bridge.log"; |
---|
| 900 | self.def_mgwstart = \ |
---|
| 901 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF >& /tmp/bridge.log"; |
---|
| 902 | self.def_gwimage = "FBSD61-TUNNEL2"; |
---|
| 903 | self.def_gwtype = "pc"; |
---|
| 904 | |
---|
| 905 | self.eid = eid |
---|
| 906 | self.tmpdir = tmpdir |
---|
| 907 | |
---|
| 908 | def __call__(self, line, master, allocated, tbparams): |
---|
| 909 | # Capture testbed topology descriptions |
---|
| 910 | if self.current_testbed == None: |
---|
| 911 | m = self.begin_testbed.match(line) |
---|
| 912 | if m != None: |
---|
| 913 | self.current_testbed = m.group(1) |
---|
| 914 | if self.current_testbed == None: |
---|
| 915 | raise service_error(service_error.req, |
---|
| 916 | "Bad request format (unnamed testbed)") |
---|
| 917 | allocated[self.current_testbed] = \ |
---|
| 918 | allocated.get(self.current_testbed,0) + 1 |
---|
| 919 | tb_dir = "%s/%s" % (self.tmpdir, self.current_testbed) |
---|
| 920 | if not os.path.exists(tb_dir): |
---|
| 921 | try: |
---|
| 922 | os.mkdir(tb_dir) |
---|
| 923 | except IOError: |
---|
| 924 | raise service_error(service_error.internal, |
---|
| 925 | "Cannot create %s" % tb_dir) |
---|
| 926 | try: |
---|
| 927 | self.testbed_file = open("%s/%s.%s.tcl" % |
---|
| 928 | (tb_dir, self.eid, self.current_testbed), 'w') |
---|
| 929 | except IOError: |
---|
| 930 | self.testbed_file = None |
---|
| 931 | return True |
---|
| 932 | else: return False |
---|
| 933 | else: |
---|
| 934 | m = self.end_testbed.match(line) |
---|
| 935 | if m != None: |
---|
| 936 | if m.group(1) != self.current_testbed: |
---|
| 937 | raise service_error(service_error.internal, |
---|
| 938 | "Mismatched testbed markers!?") |
---|
| 939 | if self.testbed_file != None: |
---|
| 940 | self.testbed_file.close() |
---|
| 941 | self.testbed_file = None |
---|
| 942 | self.current_testbed = None |
---|
| 943 | elif self.testbed_file: |
---|
| 944 | # Substitute variables and put the line into the local |
---|
| 945 | # testbed file. |
---|
| 946 | gwtype = tbparams[self.current_testbed].get('gwtype', |
---|
| 947 | self.def_gwtype) |
---|
| 948 | gwimage = tbparams[self.current_testbed].get('gwimage', |
---|
| 949 | self.def_gwimage) |
---|
| 950 | mgwstart = tbparams[self.current_testbed].get('mgwstart', |
---|
| 951 | self.def_mgwstart) |
---|
| 952 | mexpstart = tbparams[self.current_testbed].get('mexpstart', |
---|
| 953 | self.def_mexpstart) |
---|
| 954 | gwstart = tbparams[self.current_testbed].get('gwstart', |
---|
| 955 | self.def_gwstart) |
---|
| 956 | expstart = tbparams[self.current_testbed].get('expstart', |
---|
| 957 | self.def_expstart) |
---|
| 958 | project = tbparams[self.current_testbed].get('project') |
---|
| 959 | line = re.sub("GWTYPE", gwtype, line) |
---|
| 960 | line = re.sub("GWIMAGE", gwimage, line) |
---|
| 961 | if self.current_testbed == master: |
---|
| 962 | line = re.sub("GWSTART", mgwstart, line) |
---|
| 963 | line = re.sub("EXPSTART", mexpstart, line) |
---|
| 964 | else: |
---|
| 965 | line = re.sub("GWSTART", gwstart, line) |
---|
| 966 | line = re.sub("EXPSTART", expstart, line) |
---|
| 967 | # XXX: does `` embed without doing enything else? |
---|
| 968 | line = re.sub("GWCONF", "FEDDIR`hostname`.gw.conf", line) |
---|
| 969 | line = re.sub("PROJDIR", "/proj/%s/" % project, line) |
---|
| 970 | line = re.sub("EID", self.eid, line) |
---|
| 971 | line = re.sub("FEDDIR", "/proj/%s/exp/%s/tmp/" % \ |
---|
| 972 | (project, self.eid), line) |
---|
| 973 | print >>self.testbed_file, line |
---|
| 974 | return True |
---|
| 975 | |
---|
| 976 | class allbeds: |
---|
[0ea11af] | 977 | """ |
---|
| 978 | Process the Allbeds section. Get access to each federant and save the |
---|
| 979 | parameters in tbparams |
---|
| 980 | """ |
---|
[6679c122] | 981 | def __init__(self, get_access): |
---|
| 982 | self.begin_allbeds = re.compile("^#\s+Begin\s+Allbeds") |
---|
| 983 | self.end_allbeds = re.compile("^#\s+End\s+Allbeds") |
---|
| 984 | self.in_allbeds = False |
---|
| 985 | self.get_access = get_access |
---|
| 986 | |
---|
| 987 | def __call__(self, line, user, tbparams): |
---|
| 988 | # Testbed access parameters |
---|
| 989 | if not self.in_allbeds: |
---|
| 990 | if self.begin_allbeds.match(line): |
---|
| 991 | self.in_allbeds = True |
---|
| 992 | return True |
---|
| 993 | else: |
---|
| 994 | return False |
---|
| 995 | else: |
---|
| 996 | if self.end_allbeds.match(line): |
---|
| 997 | self.in_allbeds = False |
---|
| 998 | else: |
---|
| 999 | nodes = line.split('|') |
---|
| 1000 | tb = nodes.pop(0) |
---|
| 1001 | self.get_access(tb, nodes, user, tbparams) |
---|
| 1002 | return True |
---|
| 1003 | |
---|
| 1004 | class gateways: |
---|
[3441fe3] | 1005 | def __init__(self, eid, master, tmpdir, gw_pubkey, |
---|
[6679c122] | 1006 | gw_secretkey, copy_file): |
---|
| 1007 | self.begin_gateways = \ |
---|
| 1008 | re.compile("^#\s+Begin\s+gateways\s+\((\w+)\)") |
---|
| 1009 | self.end_gateways = re.compile("^#\s+End\s+gateways\s+\((\w+)\)") |
---|
| 1010 | self.current_gateways = None |
---|
| 1011 | self.control_gateway = None |
---|
| 1012 | self.active_end = { } |
---|
| 1013 | |
---|
| 1014 | self.eid = eid |
---|
| 1015 | self.master = master |
---|
| 1016 | self.tmpdir = tmpdir |
---|
| 1017 | self.gw_pubkey_base = gw_pubkey |
---|
| 1018 | self.gw_secretkey_base = gw_secretkey |
---|
| 1019 | |
---|
| 1020 | self.copy_file = copy_file |
---|
| 1021 | |
---|
| 1022 | |
---|
| 1023 | def gateway_conf_file(self, gw, master, eid, pubkey, privkey, |
---|
| 1024 | active_end, tbparams, dtb, myname, desthost, type): |
---|
| 1025 | """ |
---|
[1af38d6] | 1026 | Produce a gateway configuration file from a gateways line. |
---|
[6679c122] | 1027 | """ |
---|
| 1028 | |
---|
| 1029 | sproject = tbparams[gw].get('project', 'project') |
---|
| 1030 | dproject = tbparams[dtb].get('project', 'project') |
---|
| 1031 | sdomain = ".%s.%s%s" % (eid, sproject, |
---|
| 1032 | tbparams[gw].get('domain', ".example.com")) |
---|
| 1033 | ddomain = ".%s.%s%s" % (eid, dproject, |
---|
| 1034 | tbparams[dtb].get('domain', ".example.com")) |
---|
| 1035 | boss = tbparams[master].get('boss', "boss") |
---|
| 1036 | fs = tbparams[master].get('fs', "fs") |
---|
| 1037 | event_server = "%s%s" % \ |
---|
[27b6aea] | 1038 | (tbparams[gw].get('eventserver', "event_server"), |
---|
| 1039 | tbparams[gw].get('domain', "example.com")) |
---|
[6679c122] | 1040 | remote_event_server = "%s%s" % \ |
---|
| 1041 | (tbparams[dtb].get('eventserver', "event_server"), |
---|
| 1042 | tbparams[dtb].get('domain', "example.com")) |
---|
[27b6aea] | 1043 | seer_control = "%s%s" % \ |
---|
| 1044 | (tbparams[gw].get('control', "control"), sdomain) |
---|
[6679c122] | 1045 | remote_script_dir = "/proj/%s/exp/%s/tmp" % ( dproject, eid) |
---|
| 1046 | local_script_dir = "/proj/%s/exp/%s/tmp" % ( sproject, eid) |
---|
| 1047 | tunnel_cfg = tbparams[gw].get("tun", "false") |
---|
| 1048 | |
---|
| 1049 | conf_file = "%s%s.gw.conf" % (myname, sdomain) |
---|
| 1050 | remote_conf_file = "%s%s.gw.conf" % (desthost, ddomain) |
---|
| 1051 | |
---|
| 1052 | # translate to lower case so the `hostname` hack for specifying |
---|
| 1053 | # configuration files works. |
---|
| 1054 | conf_file = conf_file.lower(); |
---|
| 1055 | remote_conf_file = remote_conf_file.lower(); |
---|
| 1056 | |
---|
| 1057 | if dtb == master: |
---|
| 1058 | active = "false" |
---|
| 1059 | elif gw == master: |
---|
| 1060 | active = "true" |
---|
| 1061 | elif active_end.has_key['%s-%s' % (dtb, gw)]: |
---|
| 1062 | active = "false" |
---|
| 1063 | else: |
---|
| 1064 | active_end['%s-%s' % (gw, dtb)] = 1 |
---|
| 1065 | active = "true" |
---|
| 1066 | |
---|
| 1067 | gwconfig = open("%s/%s/%s" % (self.tmpdir, gw, conf_file), "w") |
---|
| 1068 | print >>gwconfig, "Active: %s" % active |
---|
| 1069 | print >>gwconfig, "TunnelCfg: %s" % tunnel_cfg |
---|
| 1070 | print >>gwconfig, "BossName: %s" % boss |
---|
| 1071 | print >>gwconfig, "FsName: %s" % fs |
---|
| 1072 | print >>gwconfig, "EventServerName: %s" % event_server |
---|
| 1073 | print >>gwconfig, "RemoteEventServerName: %s" % remote_event_server |
---|
[27b6aea] | 1074 | print >>gwconfig, "SeerControl: %s" % seer_control |
---|
[6679c122] | 1075 | print >>gwconfig, "Type: %s" % type |
---|
| 1076 | print >>gwconfig, "RemoteScriptDir: %s" % remote_script_dir |
---|
| 1077 | print >>gwconfig, "EventRepeater: %s/fed_evrepeater" % \ |
---|
| 1078 | local_script_dir |
---|
| 1079 | print >>gwconfig, "RemoteExperiment: %s/%s" % (dproject, eid) |
---|
| 1080 | print >>gwconfig, "LocalExperiment: %s/%s" % (sproject, eid) |
---|
| 1081 | print >>gwconfig, "RemoteConfigFile: %s/%s" % \ |
---|
| 1082 | (remote_script_dir, remote_conf_file) |
---|
| 1083 | print >>gwconfig, "Peer: %s%s" % (desthost, ddomain) |
---|
| 1084 | print >>gwconfig, "Pubkeys: %s/%s" % (local_script_dir, pubkey) |
---|
| 1085 | print >>gwconfig, "Privkeys: %s/%s" % (local_script_dir, privkey) |
---|
| 1086 | gwconfig.close() |
---|
| 1087 | |
---|
| 1088 | return active == "true" |
---|
| 1089 | |
---|
| 1090 | def __call__(self, line, allocated, tbparams): |
---|
| 1091 | # Process gateways |
---|
| 1092 | if not self.current_gateways: |
---|
| 1093 | m = self.begin_gateways.match(line) |
---|
| 1094 | if m: |
---|
| 1095 | self.current_gateways = m.group(1) |
---|
| 1096 | if allocated.has_key(self.current_gateways): |
---|
| 1097 | # This test should always succeed |
---|
| 1098 | tb_dir = "%s/%s" % (self.tmpdir, self.current_gateways) |
---|
| 1099 | if not os.path.exists(tb_dir): |
---|
| 1100 | try: |
---|
| 1101 | os.mkdir(tb_dir) |
---|
| 1102 | except IOError: |
---|
| 1103 | raise service_error(service_error.internal, |
---|
| 1104 | "Cannot create %s" % tb_dir) |
---|
| 1105 | else: |
---|
| 1106 | # XXX |
---|
[11a08b0] | 1107 | self.log.error("[gateways]: Ignoring gateways for " + \ |
---|
| 1108 | "unknown testbed %s" % self.current_gateways) |
---|
[6679c122] | 1109 | self.current_gateways = None |
---|
| 1110 | return True |
---|
| 1111 | else: |
---|
| 1112 | return False |
---|
| 1113 | else: |
---|
| 1114 | m = self.end_gateways.match(line) |
---|
| 1115 | if m : |
---|
| 1116 | if m.group(1) != self.current_gateways: |
---|
| 1117 | raise service_error(service_error.internal, |
---|
| 1118 | "Mismatched gateway markers!?") |
---|
| 1119 | if self.control_gateway: |
---|
| 1120 | try: |
---|
| 1121 | cc = open("%s/%s/client.conf" % |
---|
| 1122 | (self.tmpdir, self.current_gateways), 'w') |
---|
| 1123 | print >>cc, "ControlGateway: %s" % \ |
---|
| 1124 | self.control_gateway |
---|
[3441fe3] | 1125 | if tbparams[self.master].has_key('smbshare'): |
---|
| 1126 | print >>cc, "SMBSHare: %s" % \ |
---|
| 1127 | tbparams[self.master]['smbshare'] |
---|
[6679c122] | 1128 | print >>cc, "ProjectUser: %s" % \ |
---|
[3441fe3] | 1129 | tbparams[self.master]['user'] |
---|
[6679c122] | 1130 | print >>cc, "ProjectName: %s" % \ |
---|
| 1131 | tbparams[self.master]['project'] |
---|
| 1132 | cc.close() |
---|
| 1133 | except IOError: |
---|
| 1134 | raise service_error(service_error.internal, |
---|
| 1135 | "Error creating client config") |
---|
[291423b] | 1136 | try: |
---|
| 1137 | cc = open("%s/%s/seer.conf" % |
---|
[a8b42b5] | 1138 | (self.tmpdir, self.current_gateways), |
---|
| 1139 | 'w') |
---|
| 1140 | if self.current_gateways != self.master: |
---|
| 1141 | print >>cc, "ControlNode: %s" % \ |
---|
| 1142 | self.control_gateway |
---|
[291423b] | 1143 | print >>cc, "ExperimentID: %s/%s" % \ |
---|
| 1144 | ( tbparams[self.master]['project'], \ |
---|
| 1145 | self.eid ) |
---|
| 1146 | cc.close() |
---|
| 1147 | except IOError: |
---|
| 1148 | raise service_error(service_error.internal, |
---|
| 1149 | "Error creating seer config") |
---|
[6679c122] | 1150 | else: |
---|
[11a08b0] | 1151 | debug.error("[gateways]: No control gateway for %s" %\ |
---|
| 1152 | self.current_gateways) |
---|
[6679c122] | 1153 | self.current_gateways = None |
---|
| 1154 | else: |
---|
| 1155 | dtb, myname, desthost, type = line.split(" ") |
---|
| 1156 | |
---|
| 1157 | if type == "control" or type == "both": |
---|
| 1158 | self.control_gateway = "%s.%s.%s%s" % (myname, |
---|
| 1159 | self.eid, |
---|
| 1160 | tbparams[self.current_gateways]['project'], |
---|
| 1161 | tbparams[self.current_gateways]['domain']) |
---|
| 1162 | try: |
---|
| 1163 | active = self.gateway_conf_file(self.current_gateways, |
---|
| 1164 | self.master, self.eid, self.gw_pubkey_base, |
---|
| 1165 | self.gw_secretkey_base, |
---|
| 1166 | self.active_end, tbparams, dtb, myname, |
---|
| 1167 | desthost, type) |
---|
| 1168 | except IOError, e: |
---|
| 1169 | raise service_error(service_error.internal, |
---|
| 1170 | "Failed to write config file for %s" % \ |
---|
| 1171 | self.current_gateway) |
---|
| 1172 | |
---|
| 1173 | gw_pubkey = "%s/keys/%s" % \ |
---|
| 1174 | (self.tmpdir, self.gw_pubkey_base) |
---|
| 1175 | gw_secretkey = "%s/keys/%s" % \ |
---|
| 1176 | (self.tmpdir, self.gw_secretkey_base) |
---|
| 1177 | |
---|
| 1178 | pkfile = "%s/%s/%s" % \ |
---|
| 1179 | ( self.tmpdir, self.current_gateways, |
---|
| 1180 | self.gw_pubkey_base) |
---|
| 1181 | skfile = "%s/%s/%s" % \ |
---|
| 1182 | ( self.tmpdir, self.current_gateways, |
---|
| 1183 | self.gw_secretkey_base) |
---|
| 1184 | |
---|
| 1185 | if not os.path.exists(pkfile): |
---|
| 1186 | try: |
---|
| 1187 | self.copy_file(gw_pubkey, pkfile) |
---|
| 1188 | except IOError: |
---|
| 1189 | service_error(service_error.internal, |
---|
| 1190 | "Failed to copy pubkey file") |
---|
| 1191 | |
---|
| 1192 | if active and not os.path.exists(skfile): |
---|
| 1193 | try: |
---|
| 1194 | self.copy_file(gw_secretkey, skfile) |
---|
| 1195 | except IOError: |
---|
| 1196 | service_error(service_error.internal, |
---|
| 1197 | "Failed to copy secretkey file") |
---|
| 1198 | return True |
---|
| 1199 | |
---|
| 1200 | class shunt_to_file: |
---|
[0ea11af] | 1201 | """ |
---|
| 1202 | Simple class to write data between two regexps to a file. |
---|
| 1203 | """ |
---|
[6679c122] | 1204 | def __init__(self, begin, end, filename): |
---|
[0ea11af] | 1205 | """ |
---|
| 1206 | Begin shunting on a match of begin, stop on end, send data to |
---|
| 1207 | filename. |
---|
| 1208 | """ |
---|
[6679c122] | 1209 | self.begin = re.compile(begin) |
---|
| 1210 | self.end = re.compile(end) |
---|
| 1211 | self.in_shunt = False |
---|
| 1212 | self.file = None |
---|
| 1213 | self.filename = filename |
---|
| 1214 | |
---|
| 1215 | def __call__(self, line): |
---|
[0ea11af] | 1216 | """ |
---|
| 1217 | Call this on each line in the input that may be shunted. |
---|
| 1218 | """ |
---|
[6679c122] | 1219 | if not self.in_shunt: |
---|
| 1220 | if self.begin.match(line): |
---|
| 1221 | self.in_shunt = True |
---|
| 1222 | try: |
---|
| 1223 | self.file = open(self.filename, "w") |
---|
| 1224 | except: |
---|
| 1225 | self.file = None |
---|
| 1226 | raise |
---|
| 1227 | return True |
---|
| 1228 | else: |
---|
| 1229 | return False |
---|
| 1230 | else: |
---|
| 1231 | if self.end.match(line): |
---|
| 1232 | if self.file: |
---|
| 1233 | self.file.close() |
---|
| 1234 | self.file = None |
---|
| 1235 | self.in_shunt = False |
---|
| 1236 | else: |
---|
| 1237 | if self.file: |
---|
| 1238 | print >>self.file, line |
---|
| 1239 | return True |
---|
| 1240 | |
---|
| 1241 | class shunt_to_list: |
---|
[0ea11af] | 1242 | """ |
---|
| 1243 | Same interface as shunt_to_file. Data collected in self.list, one list |
---|
| 1244 | element per line. |
---|
| 1245 | """ |
---|
[6679c122] | 1246 | def __init__(self, begin, end): |
---|
| 1247 | self.begin = re.compile(begin) |
---|
| 1248 | self.end = re.compile(end) |
---|
| 1249 | self.in_shunt = False |
---|
| 1250 | self.list = [ ] |
---|
| 1251 | |
---|
| 1252 | def __call__(self, line): |
---|
| 1253 | if not self.in_shunt: |
---|
| 1254 | if self.begin.match(line): |
---|
| 1255 | self.in_shunt = True |
---|
| 1256 | return True |
---|
| 1257 | else: |
---|
| 1258 | return False |
---|
| 1259 | else: |
---|
| 1260 | if self.end.match(line): |
---|
| 1261 | self.in_shunt = False |
---|
| 1262 | else: |
---|
| 1263 | self.list.append(line) |
---|
| 1264 | return True |
---|
| 1265 | |
---|
[0d830de] | 1266 | class shunt_to_string: |
---|
[0ea11af] | 1267 | """ |
---|
| 1268 | Same interface as shunt_to_file. Data collected in self.str, all in |
---|
| 1269 | one string. |
---|
| 1270 | """ |
---|
[0d830de] | 1271 | def __init__(self, begin, end): |
---|
| 1272 | self.begin = re.compile(begin) |
---|
| 1273 | self.end = re.compile(end) |
---|
| 1274 | self.in_shunt = False |
---|
| 1275 | self.str = "" |
---|
| 1276 | |
---|
| 1277 | def __call__(self, line): |
---|
| 1278 | if not self.in_shunt: |
---|
| 1279 | if self.begin.match(line): |
---|
| 1280 | self.in_shunt = True |
---|
| 1281 | return True |
---|
| 1282 | else: |
---|
| 1283 | return False |
---|
| 1284 | else: |
---|
| 1285 | if self.end.match(line): |
---|
| 1286 | self.in_shunt = False |
---|
| 1287 | else: |
---|
| 1288 | self.str += line |
---|
| 1289 | return True |
---|
| 1290 | |
---|
[6679c122] | 1291 | def create_experiment(self, req, fid): |
---|
[0ea11af] | 1292 | """ |
---|
| 1293 | The external interface to experiment creation called from the |
---|
| 1294 | dispatcher. |
---|
| 1295 | |
---|
| 1296 | Creates a working directory, splits the incoming description using the |
---|
| 1297 | splitter script and parses out the avrious subsections using the |
---|
| 1298 | lcasses above. Once each sub-experiment is created, use pooled threads |
---|
| 1299 | to instantiate them and start it all up. |
---|
| 1300 | """ |
---|
[6546868] | 1301 | try: |
---|
| 1302 | tmpdir = tempfile.mkdtemp(prefix="split-") |
---|
| 1303 | except IOError: |
---|
| 1304 | raise service_error(service_error.internal, "Cannot create tmp dir") |
---|
| 1305 | |
---|
[6679c122] | 1306 | gw_pubkey_base = "fed.%s.pub" % self.ssh_type |
---|
| 1307 | gw_secretkey_base = "fed.%s" % self.ssh_type |
---|
[6546868] | 1308 | gw_pubkey = tmpdir + "/keys/" + gw_pubkey_base |
---|
| 1309 | gw_secretkey = tmpdir + "/keys/" + gw_secretkey_base |
---|
| 1310 | tclfile = tmpdir + "/experiment.tcl" |
---|
[6679c122] | 1311 | tbparams = { } |
---|
| 1312 | |
---|
| 1313 | pid = "dummy" |
---|
| 1314 | gid = "dummy" |
---|
| 1315 | # XXX |
---|
| 1316 | fail_soft = False |
---|
| 1317 | |
---|
| 1318 | try: |
---|
[6546868] | 1319 | os.mkdir(tmpdir+"/keys") |
---|
[6679c122] | 1320 | except OSError: |
---|
| 1321 | raise service_error(service_error.internal, |
---|
| 1322 | "Can't make temporary dir") |
---|
| 1323 | |
---|
[b234bb9] | 1324 | req = req.get('CreateRequestBody', None) |
---|
| 1325 | if not req: |
---|
[2d5c8b6] | 1326 | raise service_error(service_error.req, |
---|
[b234bb9] | 1327 | "Bad request format (no CreateRequestBody)") |
---|
[6679c122] | 1328 | # The tcl parser needs to read a file so put the content into that file |
---|
| 1329 | file_content=req.get('experimentdescription', None) |
---|
[b234bb9] | 1330 | if file_content: |
---|
[6679c122] | 1331 | try: |
---|
| 1332 | f = open(tclfile, 'w') |
---|
| 1333 | f.write(file_content) |
---|
| 1334 | f.close() |
---|
| 1335 | except IOError: |
---|
| 1336 | raise service_error(service_error.internal, |
---|
| 1337 | "Cannot write temp experiment description") |
---|
| 1338 | else: |
---|
| 1339 | raise service_error(service_error.req, "No experiment description") |
---|
| 1340 | |
---|
[e40c7ee] | 1341 | if req.has_key('experimentID') and \ |
---|
| 1342 | req['experimentID'].has_key('localname'): |
---|
| 1343 | eid = req['experimentID']['localname'] |
---|
[a97394b] | 1344 | self.state_lock.acquire() |
---|
[e40c7ee] | 1345 | while (self.state.has_key(eid)): |
---|
| 1346 | eid += random.choice(string.ascii_letters) |
---|
[0ea11af] | 1347 | # To avoid another thread picking this localname |
---|
[a97394b] | 1348 | self.state[eid] = "placeholder" |
---|
| 1349 | self.state_lock.release() |
---|
[e40c7ee] | 1350 | else: |
---|
| 1351 | eid = self.exp_stem |
---|
| 1352 | for i in range(0,5): |
---|
| 1353 | eid += random.choice(string.ascii_letters) |
---|
[a97394b] | 1354 | self.state_lock.acquire() |
---|
[e40c7ee] | 1355 | while (self.state.has_key(eid)): |
---|
| 1356 | eid = self.exp_stem |
---|
| 1357 | for i in range(0,5): |
---|
| 1358 | eid += random.choice(string.ascii_letters) |
---|
[0ea11af] | 1359 | # To avoid another thread picking this localname |
---|
[a97394b] | 1360 | self.state[eid] = "placeholder" |
---|
| 1361 | self.state_lock.release() |
---|
[e40c7ee] | 1362 | |
---|
[6679c122] | 1363 | try: |
---|
| 1364 | self.generate_ssh_keys(gw_secretkey, self.ssh_type) |
---|
| 1365 | except ValueError: |
---|
| 1366 | raise service_error(service_error.server_config, |
---|
| 1367 | "Bad key type (%s)" % self.ssh_type) |
---|
| 1368 | |
---|
| 1369 | user = req.get('user', None) |
---|
| 1370 | if user == None: |
---|
| 1371 | raise service_error(service_error.req, "No user") |
---|
[3441fe3] | 1372 | |
---|
| 1373 | master = req.get('master', None) |
---|
| 1374 | if master == None: |
---|
| 1375 | raise service_error(service_error.req, "No master testbed label") |
---|
[6679c122] | 1376 | |
---|
| 1377 | |
---|
| 1378 | tclcmd = [self.tclsh, self.tcl_splitter, '-s', '-x', |
---|
| 1379 | str(self.muxmax), '-m', master, pid, gid, eid, tclfile] |
---|
| 1380 | tclparser = Popen(tclcmd, stdout=PIPE) |
---|
| 1381 | |
---|
[0ea11af] | 1382 | allocated = { } # Testbeds we can access |
---|
| 1383 | started = { } # Testbeds where a sub-experiment started |
---|
| 1384 | # successfully |
---|
[6679c122] | 1385 | |
---|
[0ea11af] | 1386 | # Objects to parse the splitter output (defined above) |
---|
[6546868] | 1387 | parse_current_testbed = self.current_testbed(eid, tmpdir) |
---|
[6679c122] | 1388 | parse_allbeds = self.allbeds(self.get_access) |
---|
[3441fe3] | 1389 | parse_gateways = self.gateways(eid, master, tmpdir, |
---|
[6679c122] | 1390 | gw_pubkey_base, gw_secretkey_base, self.copy_file) |
---|
[0d830de] | 1391 | parse_vtopo = self.shunt_to_string("^#\s+Begin\s+Vtopo", |
---|
| 1392 | "^#\s+End\s+Vtopo") |
---|
[6679c122] | 1393 | parse_hostnames = self.shunt_to_file("^#\s+Begin\s+hostnames", |
---|
[6546868] | 1394 | "^#\s+End\s+hostnames", tmpdir + "/hosts") |
---|
[6679c122] | 1395 | parse_tarfiles = self.shunt_to_list("^#\s+Begin\s+tarfiles", |
---|
| 1396 | "^#\s+End\s+tarfiles") |
---|
| 1397 | parse_rpms = self.shunt_to_list("^#\s+Begin\s+rpms", |
---|
| 1398 | "^#\s+End\s+rpms") |
---|
| 1399 | |
---|
[0ea11af] | 1400 | # Worling on the split data |
---|
[6679c122] | 1401 | for line in tclparser.stdout: |
---|
| 1402 | line = line.rstrip() |
---|
| 1403 | if parse_current_testbed(line, master, allocated, tbparams): |
---|
| 1404 | continue |
---|
| 1405 | elif parse_allbeds(line, user, tbparams): |
---|
| 1406 | continue |
---|
| 1407 | elif parse_gateways(line, allocated, tbparams): |
---|
| 1408 | continue |
---|
| 1409 | elif parse_vtopo(line): |
---|
| 1410 | continue |
---|
| 1411 | elif parse_hostnames(line): |
---|
| 1412 | continue |
---|
| 1413 | elif parse_tarfiles(line): |
---|
| 1414 | continue |
---|
| 1415 | elif parse_rpms(line): |
---|
| 1416 | continue |
---|
| 1417 | else: |
---|
| 1418 | raise service_error(service_error.internal, |
---|
| 1419 | "Bad tcl parse? %s" % line) |
---|
| 1420 | |
---|
[0ea11af] | 1421 | # Virtual topology and visualization |
---|
[0d830de] | 1422 | vtopo = self.gentopo(parse_vtopo.str) |
---|
| 1423 | if not vtopo: |
---|
| 1424 | raise service_error(service_error.internal, |
---|
| 1425 | "Failed to generate virtual topology") |
---|
| 1426 | |
---|
| 1427 | vis = self.genviz(vtopo) |
---|
| 1428 | if not vis: |
---|
| 1429 | raise service_error(service_error.internal, |
---|
| 1430 | "Failed to generate visualization") |
---|
[6679c122] | 1431 | |
---|
[e40c7ee] | 1432 | # save federant information |
---|
| 1433 | for k in allocated.keys(): |
---|
| 1434 | tbparams[k]['federant'] = {\ |
---|
[89d9502] | 1435 | 'name': [ { 'localname' : eid} ],\ |
---|
[e40c7ee] | 1436 | 'emulab': tbparams[k]['emulab'],\ |
---|
| 1437 | 'master' : k == master,\ |
---|
| 1438 | } |
---|
| 1439 | |
---|
| 1440 | |
---|
[6679c122] | 1441 | # Copy tarfiles and rpms needed at remote sites into a staging area |
---|
| 1442 | try: |
---|
| 1443 | for t in parse_tarfiles.list: |
---|
[6546868] | 1444 | if not os.path.exists("%s/tarfiles" % tmpdir): |
---|
| 1445 | os.mkdir("%s/tarfiles" % tmpdir) |
---|
[6679c122] | 1446 | self.copy_file(t, "%s/tarfiles/%s" % \ |
---|
[6546868] | 1447 | (tmpdir, os.path.basename(t))) |
---|
[6679c122] | 1448 | for r in parse_rpms.list: |
---|
[6546868] | 1449 | if not os.path.exists("%s/rpms" % tmpdir): |
---|
| 1450 | os.mkdir("%s/rpms" % tmpdir) |
---|
[6679c122] | 1451 | self.copy_file(r, "%s/rpms/%s" % \ |
---|
[6546868] | 1452 | (tmpdir, os.path.basename(r))) |
---|
[6679c122] | 1453 | except IOError, e: |
---|
| 1454 | raise service_error(service_error.internal, |
---|
| 1455 | "Cannot stage tarfile/rpm: %s" % e.strerror) |
---|
| 1456 | |
---|
[1af38d6] | 1457 | thread_pool_info = self.thread_pool() |
---|
| 1458 | threads = [ ] |
---|
| 1459 | |
---|
| 1460 | for tb in [ k for k in allocated.keys() if k != master]: |
---|
| 1461 | # Wait until we have a free slot to start the next testbed load |
---|
| 1462 | thread_pool_info.acquire() |
---|
| 1463 | while thread_pool_info.started - \ |
---|
| 1464 | thread_pool_info.terminated >= self.nthreads: |
---|
| 1465 | thread_pool_info.wait() |
---|
| 1466 | thread_pool_info.release() |
---|
| 1467 | |
---|
| 1468 | # Create and start a thread to start the segment, and save it to |
---|
| 1469 | # get the return value later |
---|
| 1470 | t = self.pooled_thread(target=self.start_segment, |
---|
| 1471 | args=(tb, eid, tbparams, tmpdir, 0), name=tb, |
---|
[3441fe3] | 1472 | pdata=thread_pool_info, trace_file=self.trace_file) |
---|
[1af38d6] | 1473 | threads.append(t) |
---|
| 1474 | t.start() |
---|
| 1475 | |
---|
| 1476 | # Wait until all finish (the first clause of the while is to make sure |
---|
| 1477 | # one starts) |
---|
| 1478 | thread_pool_info.acquire() |
---|
| 1479 | while thread_pool_info.started == 0 or \ |
---|
| 1480 | thread_pool_info.started > thread_pool_info.terminated: |
---|
| 1481 | thread_pool_info.wait() |
---|
| 1482 | thread_pool_info.release() |
---|
| 1483 | |
---|
| 1484 | # If none failed, start the master |
---|
| 1485 | failed = [ t.getName() for t in threads if not t.rv ] |
---|
| 1486 | |
---|
| 1487 | if len(failed) == 0: |
---|
| 1488 | if not self.start_segment(master, eid, tbparams, tmpdir): |
---|
| 1489 | failed.append(master) |
---|
| 1490 | |
---|
[a97394b] | 1491 | succeeded = [tb for tb in allocated.keys() if tb not in failed] |
---|
| 1492 | # If one failed clean up, unless fail_soft is set |
---|
| 1493 | if failed: |
---|
| 1494 | if not fail_soft: |
---|
[3441fe3] | 1495 | for tb in succeeded: |
---|
| 1496 | self.stop_segment(tb, eid, tbparams) |
---|
[a97394b] | 1497 | # Remove the placeholder |
---|
| 1498 | self.state_lock.acquire() |
---|
| 1499 | del self.state[eid] |
---|
| 1500 | self.state_lock.release() |
---|
| 1501 | |
---|
[3441fe3] | 1502 | raise service_error(service_error.federant, |
---|
| 1503 | "Swap in failed on %s" % ",".join(failed)) |
---|
[6679c122] | 1504 | else: |
---|
[11a08b0] | 1505 | self.log.info("[start_segment]: Experiment %s started" % eid) |
---|
[6679c122] | 1506 | |
---|
[4fc2250] | 1507 | # Generate an ID for the experiment (slice) and a certificate that the |
---|
| 1508 | # allocator can use to prove they own it. We'll ship it back through |
---|
| 1509 | # the encrypted connection. |
---|
[11a08b0] | 1510 | (expid, expcert) = generate_fedid("test", dir=tmpdir, log=self.log) |
---|
[4fc2250] | 1511 | |
---|
[11a08b0] | 1512 | self.log.debug("[start_experiment]: removing %s" % tmpdir) |
---|
[4fc2250] | 1513 | |
---|
| 1514 | # Walk up tmpdir, deleting as we go |
---|
| 1515 | for path, dirs, files in os.walk(tmpdir, topdown=False): |
---|
| 1516 | for f in files: |
---|
| 1517 | os.remove(os.path.join(path, f)) |
---|
| 1518 | for d in dirs: |
---|
| 1519 | os.rmdir(os.path.join(path, d)) |
---|
| 1520 | os.rmdir(tmpdir) |
---|
[987aaa1] | 1521 | |
---|
[e40c7ee] | 1522 | resp = { 'federant' : [ tbparams[tb]['federant'] \ |
---|
[3441fe3] | 1523 | for tb in tbparams.keys() \ |
---|
[e40c7ee] | 1524 | if tbparams[tb].has_key('federant') ],\ |
---|
[c52c48d] | 1525 | 'vtopo': vtopo,\ |
---|
[4fc2250] | 1526 | 'vis' : vis, |
---|
[e40c7ee] | 1527 | 'experimentID' : [\ |
---|
[c52c48d] | 1528 | { 'fedid': copy.copy(expid) }, \ |
---|
| 1529 | { 'localname': eid },\ |
---|
[e40c7ee] | 1530 | ],\ |
---|
[4fc2250] | 1531 | 'experimentAccess': { 'X509' : expcert },\ |
---|
| 1532 | } |
---|
[a97394b] | 1533 | |
---|
[0ea11af] | 1534 | # Insert the experiment into our state and update the disk copy |
---|
[a97394b] | 1535 | self.state_lock.acquire() |
---|
[c52c48d] | 1536 | self.state[expid] = { 'federant' : [ tbparams[tb]['federant'] \ |
---|
| 1537 | for tb in tbparams.keys() \ |
---|
| 1538 | if tbparams[tb].has_key('federant') ],\ |
---|
| 1539 | 'vtopo': vtopo,\ |
---|
| 1540 | 'vis' : vis, |
---|
| 1541 | 'experimentID' : [\ |
---|
| 1542 | { 'fedid': expid }, { 'localname': eid },\ |
---|
| 1543 | ],\ |
---|
| 1544 | } |
---|
[e40c7ee] | 1545 | self.state[eid] = self.state[expid] |
---|
[eee2b2e] | 1546 | if self.state_filename: self.write_state() |
---|
[a97394b] | 1547 | self.state_lock.release() |
---|
| 1548 | |
---|
| 1549 | if not failed: |
---|
| 1550 | return resp |
---|
| 1551 | else: |
---|
| 1552 | raise service_error(service_error.partial, \ |
---|
| 1553 | "Partial swap in on %s" % ",".join(succeeded)) |
---|
| 1554 | |
---|
[987aaa1] | 1555 | |
---|
| 1556 | def get_vtopo(self, req, fid): |
---|
[0ea11af] | 1557 | """ |
---|
| 1558 | Return the stored virtual topology for this experiment |
---|
| 1559 | """ |
---|
[a97394b] | 1560 | rv = None |
---|
[987aaa1] | 1561 | |
---|
| 1562 | req = req.get('VtopoRequestBody', None) |
---|
| 1563 | if not req: |
---|
| 1564 | raise service_error(service_error.req, |
---|
| 1565 | "Bad request format (no VtopoRequestBody)") |
---|
[e40c7ee] | 1566 | exp = req.get('experiment', None) |
---|
| 1567 | if exp: |
---|
| 1568 | if exp.has_key('fedid'): |
---|
| 1569 | key = fedid(bits=exp['fedid']) |
---|
| 1570 | keytype = "fedid" |
---|
| 1571 | elif exp.has_key('localname'): |
---|
| 1572 | key = exp['localname'] |
---|
| 1573 | keytype = "localname" |
---|
| 1574 | else: |
---|
| 1575 | raise service_error(service_error.req, "Unknown lookup type") |
---|
[987aaa1] | 1576 | else: |
---|
[e40c7ee] | 1577 | raise service_error(service_error.req, "No request?") |
---|
[987aaa1] | 1578 | |
---|
[a97394b] | 1579 | self.state_lock.acquire() |
---|
[e40c7ee] | 1580 | if self.state.has_key(key): |
---|
[a97394b] | 1581 | rv = { 'experiment' : {keytype: key },\ |
---|
[e40c7ee] | 1582 | 'vtopo': self.state[key]['vtopo'],\ |
---|
[a97394b] | 1583 | } |
---|
| 1584 | self.state_lock.release() |
---|
| 1585 | |
---|
| 1586 | if rv: return rv |
---|
| 1587 | else: raise service_error(service_error.req, "No such experiment") |
---|
[987aaa1] | 1588 | |
---|
| 1589 | def get_vis(self, req, fid): |
---|
[0ea11af] | 1590 | """ |
---|
| 1591 | Return the stored visualization for this experiment |
---|
| 1592 | """ |
---|
[a97394b] | 1593 | rv = None |
---|
[987aaa1] | 1594 | |
---|
| 1595 | req = req.get('VisRequestBody', None) |
---|
| 1596 | if not req: |
---|
| 1597 | raise service_error(service_error.req, |
---|
| 1598 | "Bad request format (no VisRequestBody)") |
---|
[e40c7ee] | 1599 | exp = req.get('experiment', None) |
---|
| 1600 | if exp: |
---|
| 1601 | if exp.has_key('fedid'): |
---|
| 1602 | key = fedid(bits=exp['fedid']) |
---|
| 1603 | keytype = "fedid" |
---|
| 1604 | elif exp.has_key('localname'): |
---|
| 1605 | key = exp['localname'] |
---|
| 1606 | keytype = "localname" |
---|
| 1607 | else: |
---|
| 1608 | raise service_error(service_error.req, "Unknown lookup type") |
---|
[987aaa1] | 1609 | else: |
---|
[e40c7ee] | 1610 | raise service_error(service_error.req, "No request?") |
---|
[987aaa1] | 1611 | |
---|
[a97394b] | 1612 | self.state_lock.acquire() |
---|
[e40c7ee] | 1613 | if self.state.has_key(key): |
---|
[a97394b] | 1614 | rv = { 'experiment' : {keytype: key },\ |
---|
[e40c7ee] | 1615 | 'vis': self.state[key]['vis'],\ |
---|
[987aaa1] | 1616 | } |
---|
[a97394b] | 1617 | self.state_lock.release() |
---|
| 1618 | |
---|
| 1619 | if rv: return rv |
---|
| 1620 | else: raise service_error(service_error.req, "No such experiment") |
---|
[987aaa1] | 1621 | |
---|
[c52c48d] | 1622 | def get_info(self, req, fid): |
---|
[0ea11af] | 1623 | """ |
---|
| 1624 | Return all the stored info about this experiment |
---|
| 1625 | """ |
---|
[a97394b] | 1626 | rv = None |
---|
[c52c48d] | 1627 | |
---|
| 1628 | req = req.get('InfoRequestBody', None) |
---|
| 1629 | if not req: |
---|
| 1630 | raise service_error(service_error.req, |
---|
| 1631 | "Bad request format (no VisRequestBody)") |
---|
| 1632 | exp = req.get('experiment', None) |
---|
| 1633 | if exp: |
---|
| 1634 | if exp.has_key('fedid'): |
---|
| 1635 | key = fedid(bits=exp['fedid']) |
---|
| 1636 | keytype = "fedid" |
---|
| 1637 | elif exp.has_key('localname'): |
---|
| 1638 | key = exp['localname'] |
---|
| 1639 | keytype = "localname" |
---|
| 1640 | else: |
---|
| 1641 | raise service_error(service_error.req, "Unknown lookup type") |
---|
| 1642 | else: |
---|
| 1643 | raise service_error(service_error.req, "No request?") |
---|
| 1644 | |
---|
| 1645 | # The state may be massaged by the service function that called |
---|
| 1646 | # get_info (e.g., encoded for XMLRPC transport) so send a copy of the |
---|
| 1647 | # state. |
---|
[a97394b] | 1648 | self.state_lock.acquire() |
---|
[c52c48d] | 1649 | if self.state.has_key(key): |
---|
[a97394b] | 1650 | rv = copy.deepcopy(self.state[key]) |
---|
| 1651 | self.state_lock.release() |
---|
[6679c122] | 1652 | |
---|
[a97394b] | 1653 | if rv: return rv |
---|
| 1654 | else: raise service_error(service_error.req, "No such experiment") |
---|
[7a8d667] | 1655 | |
---|
| 1656 | |
---|
| 1657 | def terminate_experiment(self, req, fid): |
---|
[0ea11af] | 1658 | """ |
---|
| 1659 | Swap this experiment out on the federants and delete the shared |
---|
| 1660 | information |
---|
| 1661 | """ |
---|
[7a8d667] | 1662 | tbparams = { } |
---|
| 1663 | req = req.get('TerminateRequestBody', None) |
---|
| 1664 | if not req: |
---|
| 1665 | raise service_error(service_error.req, |
---|
| 1666 | "Bad request format (no TerminateRequestBody)") |
---|
| 1667 | exp = req.get('experiment', None) |
---|
| 1668 | if exp: |
---|
| 1669 | if exp.has_key('fedid'): |
---|
| 1670 | key = fedid(bits=exp['fedid']) |
---|
| 1671 | keytype = "fedid" |
---|
| 1672 | elif exp.has_key('localname'): |
---|
| 1673 | key = exp['localname'] |
---|
| 1674 | keytype = "localname" |
---|
| 1675 | else: |
---|
| 1676 | raise service_error(service_error.req, "Unknown lookup type") |
---|
| 1677 | else: |
---|
| 1678 | raise service_error(service_error.req, "No request?") |
---|
| 1679 | |
---|
[a97394b] | 1680 | self.state_lock.acquire() |
---|
[7a8d667] | 1681 | fed_exp = self.state.get(key, None) |
---|
| 1682 | |
---|
| 1683 | if fed_exp: |
---|
[a97394b] | 1684 | # This branch of the conditional holds the lock to generate a |
---|
| 1685 | # consistent temporary tbparams variable to deallocate experiments. |
---|
| 1686 | # It releases the lock to do the deallocations and reacquires it to |
---|
| 1687 | # remove the experiment state when the termination is complete. |
---|
[eee2b2e] | 1688 | ids = [] |
---|
| 1689 | # experimentID is a list of dicts that are self-describing |
---|
| 1690 | # identifiers. This finds all the fedids and localnames - the |
---|
| 1691 | # keys of self.state - and puts them into ids. |
---|
| 1692 | for id in fed_exp.get('experimentID', []): |
---|
| 1693 | if id.has_key('fedid'): ids.append(id['fedid']) |
---|
| 1694 | if id.has_key('localname'): ids.append(id['localname']) |
---|
| 1695 | |
---|
[7a8d667] | 1696 | # Construct enough of the tbparams to make the stop_segment calls |
---|
| 1697 | # work |
---|
| 1698 | for fed in fed_exp['federant']: |
---|
| 1699 | try: |
---|
| 1700 | for e in fed['name']: |
---|
| 1701 | eid = e.get('localname', None) |
---|
| 1702 | if eid: break |
---|
| 1703 | else: |
---|
| 1704 | continue |
---|
| 1705 | |
---|
| 1706 | p = fed['emulab']['project'] |
---|
| 1707 | |
---|
| 1708 | project = p['name']['localname'] |
---|
| 1709 | tb = p['testbed']['localname'] |
---|
| 1710 | user = p['user'][0]['userID']['localname'] |
---|
| 1711 | |
---|
| 1712 | domain = fed['emulab']['domain'] |
---|
| 1713 | host = "%s%s" % (fed['emulab']['ops'], domain) |
---|
| 1714 | except KeyError, e: |
---|
| 1715 | continue |
---|
| 1716 | tbparams[tb] = {\ |
---|
| 1717 | 'user': user,\ |
---|
| 1718 | 'domain': domain,\ |
---|
| 1719 | 'project': project,\ |
---|
| 1720 | 'host': host,\ |
---|
| 1721 | 'eid': eid,\ |
---|
| 1722 | } |
---|
[a97394b] | 1723 | self.state_lock.release() |
---|
| 1724 | |
---|
[7a8d667] | 1725 | # Stop everyone. |
---|
| 1726 | for tb in tbparams.keys(): |
---|
| 1727 | self.stop_segment(tb, tbparams[tb]['eid'], tbparams) |
---|
[eee2b2e] | 1728 | |
---|
[a97394b] | 1729 | # Remove teh terminated experiment |
---|
| 1730 | self.state_lock.acquire() |
---|
[eee2b2e] | 1731 | for id in ids: |
---|
| 1732 | if self.state.has_key(id): del self.state[id] |
---|
| 1733 | |
---|
| 1734 | if self.state_filename: self.write_state() |
---|
[a97394b] | 1735 | self.state_lock.release() |
---|
| 1736 | |
---|
[7a8d667] | 1737 | return { 'experiment': exp } |
---|
| 1738 | else: |
---|
[a97394b] | 1739 | # Don't forget to release the lock |
---|
| 1740 | self.state_lock.release() |
---|
[7a8d667] | 1741 | raise service_error(service_error.req, "No saved state") |
---|