[19cc408] | 1 | #!/usr/local/bin/python |
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| 2 | |
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| 3 | import os,sys |
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[eeb0088] | 4 | import stat # for chmod constants |
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[19cc408] | 5 | import re |
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[ab847bc] | 6 | import random |
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[19cc408] | 7 | import string |
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| 8 | import copy |
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[d81971a] | 9 | import pickle |
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[c971895] | 10 | import logging |
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[eeb0088] | 11 | import subprocess |
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[19cc408] | 12 | |
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[f8582c9] | 13 | from threading import * |
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[8e6fe4d] | 14 | from M2Crypto.SSL import SSLError |
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[f8582c9] | 15 | |
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[f771e2f] | 16 | from access import access_base |
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| 17 | |
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[ec4fb42] | 18 | from util import * |
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| 19 | from allocate_project import allocate_project_local, allocate_project_remote |
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| 20 | from access_project import access_project |
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[51cc9df] | 21 | from fedid import fedid, generate_fedid |
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[3f6bc5f] | 22 | from authorizer import authorizer |
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[6a0c9f4] | 23 | from service_error import service_error |
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[9460b1e] | 24 | from remote_service import xmlrpc_handler, soap_handler, service_caller |
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[11a08b0] | 25 | |
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[6c57fe9] | 26 | import httplib |
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| 27 | import tempfile |
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| 28 | from urlparse import urlparse |
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| 29 | |
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[11860f52] | 30 | import topdl |
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| 31 | import list_log |
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| 32 | import proxy_emulab_segment |
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| 33 | import local_emulab_segment |
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| 34 | |
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[0ea11af] | 35 | |
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| 36 | # Make log messages disappear if noone configures a fedd logger |
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[11a08b0] | 37 | class nullHandler(logging.Handler): |
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| 38 | def emit(self, record): pass |
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| 39 | |
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| 40 | fl = logging.getLogger("fedd.access") |
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| 41 | fl.addHandler(nullHandler()) |
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[19cc408] | 42 | |
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[f771e2f] | 43 | class access(access_base): |
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[19cc408] | 44 | """ |
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| 45 | The implementation of access control based on mapping users to projects. |
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| 46 | |
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| 47 | Users can be mapped to existing projects or have projects created |
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| 48 | dynamically. This implements both direct requests and proxies. |
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| 49 | """ |
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| 50 | |
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[f069052] | 51 | proxy_RequestAccess= service_caller('RequestAccess') |
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| 52 | proxy_ReleaseAccess= service_caller('ReleaseAccess') |
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[c35207d] | 53 | |
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[3f6bc5f] | 54 | def __init__(self, config=None, auth=None): |
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[866c983] | 55 | """ |
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| 56 | Initializer. Pulls parameters out of the ConfigParser's access section. |
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| 57 | """ |
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| 58 | |
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[f771e2f] | 59 | access_base.__init__(self, config, auth) |
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[866c983] | 60 | |
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| 61 | self.allow_proxy = config.getboolean("access", "allow_proxy") |
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| 62 | |
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| 63 | self.boss = config.get("access", "boss") |
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| 64 | self.ops = config.get("access", "ops") |
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| 65 | self.domain = config.get("access", "domain") |
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| 66 | self.fileserver = config.get("access", "fileserver") |
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| 67 | self.eventserver = config.get("access", "eventserver") |
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[eeb0088] | 68 | self.userconfdir = config.get("access","userconfdir") |
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| 69 | self.userconfcmd = config.get("access","userconfcmd") |
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[fe28bb2] | 70 | self.userconfurl = config.get("access","userconfurl") |
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[9b3627e] | 71 | self.federation_software = config.get("access", "federation_software") |
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| 72 | self.portal_software = config.get("access", "portal_software") |
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[e76f38a] | 73 | self.local_seer_software = config.get("access", "local_seer_software") |
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| 74 | self.local_seer_image = config.get("access", "local_seer_image") |
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| 75 | self.local_seer_start = config.get("access", "local_seer_start") |
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[49051fb] | 76 | self.seer_master_start = config.get("access", "seer_master_start") |
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[ecca6eb] | 77 | self.ssh_privkey_file = config.get("access","ssh_privkey_file") |
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[3bddd24] | 78 | self.ssh_pubkey_file = config.get("access","ssh_pubkey_file") |
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[6280b1f] | 79 | self.ssh_port = config.get("access","ssh_port") or "22" |
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[5e1fb7b] | 80 | |
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| 81 | self.dragon_endpoint = config.get("access", "dragon") |
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| 82 | self.dragon_vlans = config.get("access", "dragon_vlans") |
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| 83 | self.deter_internal = config.get("access", "deter_internal") |
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| 84 | |
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| 85 | self.tunnel_config = config.getboolean("access", "tunnel_config") |
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| 86 | self.portal_command = config.get("access", "portal_command") |
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| 87 | self.portal_image = config.get("access", "portal_image") |
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| 88 | self.portal_type = config.get("access", "portal_type") or "pc" |
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| 89 | self.portal_startcommand = config.get("access", "portal_startcommand") |
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| 90 | self.node_startcommand = config.get("access", "node_startcommand") |
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| 91 | |
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[f771e2f] | 92 | self.federation_software = self.software_list(self.federation_software) |
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| 93 | self.portal_software = self.software_list(self.portal_software) |
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| 94 | self.local_seer_software = self.software_list(self.local_seer_software) |
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[11860f52] | 95 | |
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| 96 | self.access_type = self.access_type.lower() |
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| 97 | if self.access_type == 'remote_emulab': |
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| 98 | self.start_segment = proxy_emulab_segment.start_segment |
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| 99 | self.stop_segment = proxy_emulab_segment.stop_segment |
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| 100 | elif self.access_type == 'local_emulab': |
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| 101 | self.start_segment = local_emulab_segment.start_segment |
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| 102 | self.stop_segment = local_emulab_segment.stop_segment |
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| 103 | else: |
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| 104 | self.start_segment = None |
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| 105 | self.stop_segment = None |
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[866c983] | 106 | |
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| 107 | self.restricted = [ ] |
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| 108 | self.projects = { } |
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| 109 | self.keys = { } |
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| 110 | self.types = { } |
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| 111 | self.allocation = { } |
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| 112 | self.state = { |
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| 113 | 'projects': self.projects, |
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| 114 | 'allocation' : self.allocation, |
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| 115 | 'keys' : self.keys, |
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| 116 | 'types': self.types |
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| 117 | } |
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[f771e2f] | 118 | self.access = { } |
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| 119 | if config.has_option("access", "accessdb"): |
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| 120 | self.read_access(config.get("access", "accessdb")) |
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[866c983] | 121 | |
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[49051fb] | 122 | if not self.local_seer_image or not self.local_seer_software: |
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[e76f38a] | 123 | self.exports.discard('local_seer_control') |
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[49051fb] | 124 | self.exports.discard('seer_master') |
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| 125 | |
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| 126 | if not self.local_seer_start: |
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| 127 | self.exports.discard('local_seer_control') |
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| 128 | |
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| 129 | if not self.seer_master_start: |
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| 130 | self.exports.discard('seer_master') |
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[e76f38a] | 131 | |
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[866c983] | 132 | tb = config.get('access', 'testbed') |
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| 133 | if tb: self.testbed = [ t.strip() for t in tb.split(',') ] |
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| 134 | else: self.testbed = [ ] |
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| 135 | |
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| 136 | if config.has_option("access", "accessdb"): |
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[f771e2f] | 137 | self.read_access(config.get("access", "accessdb"), |
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| 138 | self.make_access_project) |
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| 139 | |
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| 140 | # read state in the base_class |
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| 141 | self.state_lock.acquire() |
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| 142 | self.allocation = self.state['allocation'] |
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| 143 | self.projects = self.state['projects'] |
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| 144 | self.keys = self.state['keys'] |
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| 145 | self.types = self.state['types'] |
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| 146 | # Add the ownership attributes to the authorizer. Note that the |
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| 147 | # indices of the allocation dict are strings, but the attributes are |
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| 148 | # fedids, so there is a conversion. |
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| 149 | for k in self.allocation.keys(): |
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| 150 | for o in self.allocation[k].get('owners', []): |
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| 151 | self.auth.set_attribute(o, fedid(hexstr=k)) |
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| 152 | if self.allocation[k].has_key('userconfig'): |
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| 153 | sfid = self.allocation[k]['userconfig'] |
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| 154 | fid = fedid(hexstr=sfid) |
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| 155 | self.auth.set_attribute(fid, "/%s" % sfid) |
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| 156 | self.state_lock.release() |
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[866c983] | 157 | |
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| 158 | |
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| 159 | self.soap_services = {\ |
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| 160 | 'RequestAccess': soap_handler("RequestAccess", self.RequestAccess), |
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| 161 | 'ReleaseAccess': soap_handler("ReleaseAccess", self.ReleaseAccess), |
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[cc8d8e9] | 162 | 'StartSegment': soap_handler("StartSegment", self.StartSegment), |
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[e76f38a] | 163 | 'TerminateSegment': soap_handler("TerminateSegment", |
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| 164 | self.TerminateSegment), |
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[866c983] | 165 | } |
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| 166 | self.xmlrpc_services = {\ |
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| 167 | 'RequestAccess': xmlrpc_handler('RequestAccess', |
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| 168 | self.RequestAccess), |
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| 169 | 'ReleaseAccess': xmlrpc_handler('ReleaseAccess', |
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| 170 | self.ReleaseAccess), |
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[5ae3857] | 171 | 'StartSegment': xmlrpc_handler("StartSegment", self.StartSegment), |
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| 172 | 'TerminateSegment': xmlrpc_handler('TerminateSegment', |
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| 173 | self.TerminateSegment), |
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[866c983] | 174 | } |
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| 175 | |
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[2761484] | 176 | self.call_SetValue = service_caller('SetValue') |
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[2ee4226] | 177 | self.call_GetValue = service_caller('GetValue', log=self.log) |
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[866c983] | 178 | |
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| 179 | if not config.has_option("allocate", "uri"): |
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| 180 | self.allocate_project = \ |
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| 181 | allocate_project_local(config, auth) |
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| 182 | else: |
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| 183 | self.allocate_project = \ |
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| 184 | allocate_project_remote(config, auth) |
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| 185 | |
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[e76f38a] | 186 | |
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[866c983] | 187 | # If the project allocator exports services, put them in this object's |
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| 188 | # maps so that classes that instantiate this can call the services. |
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| 189 | self.soap_services.update(self.allocate_project.soap_services) |
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| 190 | self.xmlrpc_services.update(self.allocate_project.xmlrpc_services) |
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[f8582c9] | 191 | |
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[e76f38a] | 192 | @staticmethod |
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[f771e2f] | 193 | def make_access_project(str): |
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[866c983] | 194 | def parse_name(n): |
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| 195 | if n.startswith('fedid:'): return fedid(hexstr=n[len('fedid:'):]) |
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| 196 | else: return n |
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[19cc408] | 197 | |
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[f771e2f] | 198 | str = str.strip() |
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| 199 | if str.startswith('(') and str.endswith(')'): |
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| 200 | str = str[1:-1] |
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| 201 | names = [ s.strip() for s in str.split(",")] |
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| 202 | if len(names) > 3: |
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| 203 | raise self.parse_error("More than three fields in name") |
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| 204 | first = names[0].split(":") |
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| 205 | if first == 'fedid:': |
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| 206 | del first[0] |
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| 207 | first[0] = fedid(hexstr=first[0]) |
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| 208 | names[0] = access_project(first[0], first[1:]) |
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| 209 | |
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| 210 | for i in range(1,2): |
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| 211 | names[i] = parse_name(names[i]) |
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| 212 | |
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| 213 | return tuple(names) |
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| 214 | else: |
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| 215 | raise self.parse_error('Bad mapping (unbalanced parens)') |
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[19cc408] | 216 | |
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| 217 | |
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| 218 | def lookup_access(self, req, fid): |
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[866c983] | 219 | """ |
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| 220 | Determine the allowed access for this request. Return the access and |
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| 221 | which fields are dynamic. |
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| 222 | |
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| 223 | The fedid is needed to construct the request |
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| 224 | """ |
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| 225 | # Return values |
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| 226 | rp = access_project(None, ()) |
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| 227 | ru = None |
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| 228 | # This maps a valid user to the Emulab projects and users to use |
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[f771e2f] | 229 | found, match = self.lookup_access_base(req, fid) |
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| 230 | tb, project, user = match |
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[866c983] | 231 | |
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| 232 | if found == None: |
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| 233 | raise service_error(service_error.access, |
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| 234 | "Access denied - cannot map access") |
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| 235 | |
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| 236 | # resolve <dynamic> and <same> in found |
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| 237 | dyn_proj = False |
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| 238 | dyn_create_user = False |
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| 239 | dyn_service_user = False |
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| 240 | |
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| 241 | if found[0].name == "<same>": |
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| 242 | if project != None: |
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| 243 | rp.name = project |
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| 244 | else : |
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| 245 | raise service_error(\ |
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| 246 | service_error.server_config, |
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| 247 | "Project matched <same> when no project given") |
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| 248 | elif found[0].name == "<dynamic>": |
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| 249 | rp.name = None |
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| 250 | dyn_proj = True |
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| 251 | else: |
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| 252 | rp.name = found[0].name |
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| 253 | rp.node_types = found[0].node_types; |
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| 254 | |
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| 255 | if found[1] == "<same>": |
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| 256 | if user_match == "<any>": |
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| 257 | if user != None: rcu = user[0] |
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| 258 | else: raise service_error(\ |
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| 259 | service_error.server_config, |
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| 260 | "Matched <same> on anonymous request") |
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| 261 | else: |
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| 262 | rcu = user_match |
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| 263 | elif found[1] == "<dynamic>": |
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| 264 | rcu = None |
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| 265 | dyn_create_user = True |
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| 266 | else: |
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| 267 | rcu = found[1] |
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| 268 | |
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| 269 | if found[2] == "<same>": |
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| 270 | if user_match == "<any>": |
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| 271 | if user != None: rsu = user[0] |
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| 272 | else: raise service_error(\ |
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| 273 | service_error.server_config, |
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| 274 | "Matched <same> on anonymous request") |
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| 275 | else: |
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| 276 | rsu = user_match |
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| 277 | elif found[2] == "<dynamic>": |
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| 278 | rsu = None |
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| 279 | dyn_service_user = True |
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| 280 | else: |
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| 281 | rsu = found[2] |
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| 282 | |
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| 283 | return (rp, rcu, rsu), (dyn_create_user, dyn_service_user, dyn_proj),\ |
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[f771e2f] | 284 | [ fid ] |
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[19cc408] | 285 | |
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[f771e2f] | 286 | def do_project_allocation(self, dyn, project, user): |
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| 287 | """ |
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| 288 | Call the project allocation routines and return the info. |
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| 289 | """ |
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| 290 | if dyn: |
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| 291 | # Compose the dynamic project request |
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| 292 | # (only dynamic, dynamic currently allowed) |
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| 293 | preq = { 'AllocateProjectRequestBody': \ |
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| 294 | { 'project' : {\ |
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| 295 | 'user': [ \ |
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| 296 | { \ |
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| 297 | 'access': [ { |
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| 298 | 'sshPubkey': self.ssh_pubkey_file } ], |
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| 299 | 'role': "serviceAccess",\ |
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| 300 | }, \ |
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| 301 | { \ |
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| 302 | 'access': [ { |
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| 303 | 'sshPubkey': self.ssh_pubkey_file } ], |
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| 304 | 'role': "experimentCreation",\ |
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| 305 | }, \ |
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| 306 | ], \ |
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| 307 | }\ |
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| 308 | }\ |
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| 309 | } |
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| 310 | return self.allocate_project.dynamic_project(preq) |
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[eeb0088] | 311 | else: |
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[f771e2f] | 312 | preq = {'StaticProjectRequestBody' : \ |
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| 313 | { 'project': \ |
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| 314 | { 'name' : { 'localname' : project },\ |
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| 315 | 'user' : [ \ |
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| 316 | {\ |
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| 317 | 'userID': { 'localname' : user }, \ |
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| 318 | 'access': [ { |
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| 319 | 'sshPubkey': self.ssh_pubkey_file } ], |
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| 320 | 'role': 'experimentCreation'\ |
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| 321 | },\ |
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| 322 | {\ |
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| 323 | 'userID': { 'localname' : user}, \ |
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| 324 | 'access': [ { |
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| 325 | 'sshPubkey': self.ssh_pubkey_file } ], |
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| 326 | 'role': 'serviceAccess'\ |
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| 327 | },\ |
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| 328 | ]}\ |
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| 329 | }\ |
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| 330 | } |
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| 331 | return self.allocate_project.static_project(preq) |
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[eeb0088] | 332 | |
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[f771e2f] | 333 | def save_project_state(self, aid, ap, dyn, owners): |
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| 334 | """ |
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| 335 | Parse out and save the information relevant to the project created for |
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| 336 | this experiment. That info is largely in ap and owners. dyn indicates |
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| 337 | that the project was created dynamically. Return the user and project |
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| 338 | names. |
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| 339 | """ |
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| 340 | self.state_lock.acquire() |
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| 341 | self.allocation[aid] = { } |
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[eeb0088] | 342 | try: |
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[f771e2f] | 343 | pname = ap['project']['name']['localname'] |
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| 344 | except KeyError: |
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| 345 | pname = None |
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| 346 | |
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| 347 | if dyn: |
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| 348 | if not pname: |
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| 349 | self.state_lock.release() |
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| 350 | raise service_error(service_error.internal, |
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| 351 | "Misformed allocation response?") |
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| 352 | if pname in self.projects: self.projects[pname] += 1 |
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| 353 | else: self.projects[pname] = 1 |
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| 354 | self.allocation[aid]['project'] = pname |
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[43197eb] | 355 | else: |
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[f771e2f] | 356 | # sproject is a static project associated with this allocation. |
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| 357 | self.allocation[aid]['sproject'] = pname |
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[866c983] | 358 | |
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[f771e2f] | 359 | self.allocation[aid]['keys'] = [ ] |
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[5e1fb7b] | 360 | |
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[f771e2f] | 361 | try: |
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| 362 | for u in ap['project']['user']: |
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| 363 | uname = u['userID']['localname'] |
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| 364 | if u['role'] == 'experimentCreation': |
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| 365 | self.allocation[aid]['user'] = uname |
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| 366 | for k in [ k['sshPubkey'] for k in u['access'] \ |
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| 367 | if k.has_key('sshPubkey') ]: |
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| 368 | kv = "%s:%s" % (uname, k) |
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| 369 | if self.keys.has_key(kv): self.keys[kv] += 1 |
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| 370 | else: self.keys[kv] = 1 |
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| 371 | self.allocation[aid]['keys'].append((uname, k)) |
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| 372 | except KeyError: |
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| 373 | self.state_lock.release() |
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| 374 | raise service_error(service_error.internal, |
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| 375 | "Misformed allocation response?") |
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| 376 | |
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| 377 | self.allocation[aid]['owners'] = owners |
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| 378 | self.write_state() |
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| 379 | self.state_lock.release() |
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| 380 | return (pname, uname) |
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[19cc408] | 381 | |
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| 382 | def RequestAccess(self, req, fid): |
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[866c983] | 383 | """ |
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| 384 | Handle the access request. Proxy if not for us. |
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| 385 | |
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| 386 | Parse out the fields and make the allocations or rejections if for us, |
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| 387 | otherwise, assuming we're willing to proxy, proxy the request out. |
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| 388 | """ |
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| 389 | |
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| 390 | def gateway_hardware(h): |
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[5e1fb7b] | 391 | if h == 'GWTYPE': return self.portal_type or 'GWTYPE' |
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[866c983] | 392 | else: return h |
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| 393 | |
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[43197eb] | 394 | def get_export_project(svcs): |
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| 395 | """ |
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| 396 | if the service requests includes one to export a project, return |
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| 397 | that project. |
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| 398 | """ |
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| 399 | rv = None |
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| 400 | for s in svcs: |
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| 401 | if s.get('name', '') == 'project_export' and \ |
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| 402 | s.get('visibility', '') == 'export': |
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| 403 | if not rv: |
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| 404 | for a in s.get('feddAttr', []): |
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| 405 | if a.get('attribute', '') == 'project' \ |
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| 406 | and 'value' in a: |
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| 407 | rv = a['value'] |
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| 408 | else: |
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| 409 | raise service_error(service_error, access, |
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| 410 | 'Requesting multiple project exports is ' + \ |
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| 411 | 'not supported'); |
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| 412 | return rv |
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| 413 | |
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[866c983] | 414 | # The dance to get into the request body |
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| 415 | if req.has_key('RequestAccessRequestBody'): |
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| 416 | req = req['RequestAccessRequestBody'] |
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| 417 | else: |
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| 418 | raise service_error(service_error.req, "No request!?") |
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| 419 | |
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| 420 | |
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[f771e2f] | 421 | found, dyn, owners = self.lookup_access(req, fid) |
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| 422 | ap = None |
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[866c983] | 423 | |
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[f771e2f] | 424 | # if this includes a project export request and the exported |
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| 425 | # project is not the access project, access denied. |
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| 426 | if 'service' in req: |
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| 427 | ep = get_export_project(req['service']) |
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| 428 | if ep and ep != found[0].name: |
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| 429 | raise service_error(service_error.access, |
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| 430 | "Cannot export %s" % ep) |
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| 431 | |
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| 432 | if self.ssh_pubkey_file: |
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| 433 | ap = self.do_project_allocation(dyn[1], found[0].name, found[1]) |
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| 434 | else: |
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| 435 | raise service_error(service_error.internal, |
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| 436 | "SSH access parameters required") |
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| 437 | # keep track of what's been added |
---|
| 438 | allocID, alloc_cert = generate_fedid(subj="alloc", log=self.log) |
---|
| 439 | aid = unicode(allocID) |
---|
| 440 | |
---|
| 441 | pname, uname = self.save_project_state(aid, ap, dyn[1], owners) |
---|
| 442 | |
---|
| 443 | services, svc_state = self.export_services(req.get('service',[]), |
---|
| 444 | pname, uname) |
---|
| 445 | self.state_lock.acquire() |
---|
| 446 | # Store services state in global state |
---|
| 447 | for k, v in svc_state.items(): |
---|
| 448 | self.allocation[aid][k] = v |
---|
| 449 | self.write_state() |
---|
| 450 | self.state_lock.release() |
---|
| 451 | # Give the owners the right to change this allocation |
---|
| 452 | for o in owners: |
---|
| 453 | self.auth.set_attribute(o, allocID) |
---|
| 454 | try: |
---|
| 455 | f = open("%s/%s.pem" % (self.certdir, aid), "w") |
---|
| 456 | print >>f, alloc_cert |
---|
| 457 | f.close() |
---|
| 458 | except EnvironmentError, e: |
---|
| 459 | raise service_error(service_error.internal, |
---|
| 460 | "Can't open %s/%s : %s" % (self.certdir, aid, e)) |
---|
| 461 | resp = self.build_access_response({ 'fedid': allocID } , |
---|
| 462 | ap, services) |
---|
| 463 | return resp |
---|
[d81971a] | 464 | |
---|
[8cf2b90e] | 465 | def do_release_project(self, del_project, del_users, del_types): |
---|
| 466 | """ |
---|
| 467 | If a project and users has to be deleted, make the call. |
---|
| 468 | """ |
---|
| 469 | msg = { 'project': { }} |
---|
| 470 | if del_project: |
---|
| 471 | msg['project']['name']= {'localname': del_project} |
---|
| 472 | users = [ ] |
---|
| 473 | for u in del_users.keys(): |
---|
| 474 | users.append({ 'userID': { 'localname': u },\ |
---|
| 475 | 'access' : \ |
---|
| 476 | [ {'sshPubkey' : s } for s in del_users[u]]\ |
---|
| 477 | }) |
---|
| 478 | if users: |
---|
| 479 | msg['project']['user'] = users |
---|
| 480 | if len(del_types) > 0: |
---|
| 481 | msg['resources'] = { 'node': \ |
---|
| 482 | [ {'hardware': [ h ] } for h in del_types ]\ |
---|
| 483 | } |
---|
| 484 | if self.allocate_project.release_project: |
---|
| 485 | msg = { 'ReleaseProjectRequestBody' : msg} |
---|
| 486 | self.allocate_project.release_project(msg) |
---|
| 487 | |
---|
[d81971a] | 488 | def ReleaseAccess(self, req, fid): |
---|
[866c983] | 489 | # The dance to get into the request body |
---|
| 490 | if req.has_key('ReleaseAccessRequestBody'): |
---|
| 491 | req = req['ReleaseAccessRequestBody'] |
---|
| 492 | else: |
---|
| 493 | raise service_error(service_error.req, "No request!?") |
---|
| 494 | |
---|
[8cf2b90e] | 495 | try: |
---|
| 496 | if req['allocID'].has_key('localname'): |
---|
| 497 | auth_attr = aid = req['allocID']['localname'] |
---|
| 498 | elif req['allocID'].has_key('fedid'): |
---|
| 499 | aid = unicode(req['allocID']['fedid']) |
---|
| 500 | auth_attr = req['allocID']['fedid'] |
---|
| 501 | else: |
---|
| 502 | raise service_error(service_error.req, |
---|
| 503 | "Only localnames and fedids are understood") |
---|
| 504 | except KeyError: |
---|
| 505 | raise service_error(service_error.req, "Badly formed request") |
---|
| 506 | |
---|
| 507 | self.log.debug("[access] deallocation requested for %s", aid) |
---|
| 508 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 509 | self.log.debug("[access] deallocation denied for %s", aid) |
---|
| 510 | raise service_error(service_error.access, "Access Denied") |
---|
| 511 | |
---|
| 512 | # If we know this allocation, reduce the reference counts and |
---|
| 513 | # remove the local allocations. Otherwise report an error. If |
---|
| 514 | # there is an allocation to delete, del_users will be a dictonary |
---|
| 515 | # of sets where the key is the user that owns the keys in the set. |
---|
| 516 | # We use a set to avoid duplicates. del_project is just the name |
---|
| 517 | # of any dynamic project to delete. We're somewhat lazy about |
---|
| 518 | # deleting authorization attributes. Having access to something |
---|
| 519 | # that doesn't exist isn't harmful. |
---|
| 520 | del_users = { } |
---|
| 521 | del_project = None |
---|
| 522 | del_types = set() |
---|
| 523 | |
---|
| 524 | self.state_lock.acquire() |
---|
| 525 | if aid in self.allocation: |
---|
| 526 | self.log.debug("Found allocation for %s" %aid) |
---|
| 527 | for k in self.allocation[aid]['keys']: |
---|
| 528 | kk = "%s:%s" % k |
---|
| 529 | self.keys[kk] -= 1 |
---|
| 530 | if self.keys[kk] == 0: |
---|
| 531 | if not del_users.has_key(k[0]): |
---|
| 532 | del_users[k[0]] = set() |
---|
| 533 | del_users[k[0]].add(k[1]) |
---|
| 534 | del self.keys[kk] |
---|
| 535 | |
---|
| 536 | if 'project' in self.allocation[aid]: |
---|
| 537 | pname = self.allocation[aid]['project'] |
---|
| 538 | self.projects[pname] -= 1 |
---|
| 539 | if self.projects[pname] == 0: |
---|
| 540 | del_project = pname |
---|
| 541 | del self.projects[pname] |
---|
| 542 | |
---|
| 543 | if 'types' in self.allocation[aid]: |
---|
| 544 | for t in self.allocation[aid]['types']: |
---|
| 545 | self.types[t] -= 1 |
---|
| 546 | if self.types[t] == 0: |
---|
| 547 | if not del_project: del_project = t[0] |
---|
| 548 | del_types.add(t[1]) |
---|
| 549 | del self.types[t] |
---|
| 550 | |
---|
| 551 | del self.allocation[aid] |
---|
| 552 | self.write_state() |
---|
| 553 | self.state_lock.release() |
---|
| 554 | # If we actually have resources to deallocate, prepare the call. |
---|
| 555 | if del_project or del_users: |
---|
| 556 | self.do_release_project(del_project, del_users, del_types) |
---|
| 557 | # And remove the access cert |
---|
| 558 | cf = "%s/%s.pem" % (self.certdir, aid) |
---|
| 559 | self.log.debug("Removing %s" % cf) |
---|
| 560 | os.remove(cf) |
---|
| 561 | return { 'allocID': req['allocID'] } |
---|
| 562 | else: |
---|
| 563 | self.state_lock.release() |
---|
| 564 | raise service_error(service_error.req, "No such allocation") |
---|
[866c983] | 565 | |
---|
[d81971a] | 566 | |
---|
[8cf2b90e] | 567 | def generate_ns2(self, topo, expfn, softdir, connInfo): |
---|
[617592b] | 568 | class dragon_commands: |
---|
| 569 | """ |
---|
| 570 | Functor to spit out approrpiate dragon commands for nodes listed in |
---|
| 571 | the connectivity description. The constructor makes a dict mapping |
---|
| 572 | dragon nodes to their parameters and the __call__ checks each |
---|
| 573 | element in turn for membership. |
---|
| 574 | """ |
---|
| 575 | def __init__(self, map): |
---|
| 576 | self.node_info = map |
---|
| 577 | |
---|
| 578 | def __call__(self, e): |
---|
| 579 | s = "" |
---|
| 580 | if isinstance(e, topdl.Computer): |
---|
[49051fb] | 581 | if self.node_info.has_key(e.name): |
---|
[fefa026] | 582 | info = self.node_info[e.name] |
---|
| 583 | for ifname, vlan, type in info: |
---|
[617592b] | 584 | for i in e.interface: |
---|
| 585 | if i.name == ifname: |
---|
| 586 | addr = i.get_attribute('ip4_address') |
---|
| 587 | subs = i.substrate[0] |
---|
| 588 | break |
---|
| 589 | else: |
---|
| 590 | raise service_error(service_error.internal, |
---|
| 591 | "No interface %s on element %s" % \ |
---|
[49051fb] | 592 | (ifname, e.name)) |
---|
[1cf8e2c] | 593 | # XXX: do netmask right |
---|
[617592b] | 594 | if type =='link': |
---|
[8fc0606] | 595 | s = ("tb-allow-external ${%s} dragonportal " + \ |
---|
[1cf8e2c] | 596 | "ip %s vlan %s netmask 255.255.255.0\n") % \ |
---|
[49051fb] | 597 | (e.name, addr, vlan) |
---|
[617592b] | 598 | elif type =='lan': |
---|
[8fc0606] | 599 | s = ("tb-allow-external ${%s} dragonportal " + \ |
---|
[617592b] | 600 | "ip %s vlan %s usurp %s\n") % \ |
---|
[49051fb] | 601 | (e.name, addr, vlan, subs) |
---|
[617592b] | 602 | else: |
---|
| 603 | raise service_error(service_error_internal, |
---|
| 604 | "Unknown DRAGON type %s" % type) |
---|
| 605 | return s |
---|
| 606 | |
---|
| 607 | class not_dragon: |
---|
| 608 | def __init__(self, map): |
---|
| 609 | self.nodes = set(map.keys()) |
---|
| 610 | |
---|
| 611 | def __call__(self, e): |
---|
[49051fb] | 612 | return e.name not in self.nodes |
---|
[69692a9] | 613 | |
---|
[9b3627e] | 614 | |
---|
[ecca6eb] | 615 | t = topo.clone() |
---|
| 616 | |
---|
[617592b] | 617 | dragon_map = { } |
---|
| 618 | for i in [ i for i in connInfo if i['type'] == 'transit']: |
---|
| 619 | for a in i.get('fedAttr', []): |
---|
| 620 | if a['attribute'] == 'vlan_id': |
---|
| 621 | vlan = a['value'] |
---|
| 622 | break |
---|
| 623 | else: |
---|
[8cf2b90e] | 624 | raise service_error(service_error.internal, "No vlan tag") |
---|
[617592b] | 625 | members = i.get('member', []) |
---|
| 626 | if len(members) > 1: type = 'lan' |
---|
| 627 | else: type = 'link' |
---|
| 628 | |
---|
| 629 | try: |
---|
| 630 | for m in members: |
---|
[8cf2b90e] | 631 | if m['element'] in dragon_map: |
---|
[617592b] | 632 | dragon_map[m['element']].append(( m['interface'], |
---|
| 633 | vlan, type)) |
---|
| 634 | else: |
---|
| 635 | dragon_map[m['element']] = [( m['interface'], |
---|
| 636 | vlan, type),] |
---|
| 637 | except KeyError: |
---|
| 638 | raise service_error(service_error.req, |
---|
| 639 | "Missing connectivity info") |
---|
| 640 | |
---|
[35aa3ae] | 641 | # Weed out the things we aren't going to instantiate: Segments, portal |
---|
| 642 | # substrates, and portal interfaces. (The copy in the for loop allows |
---|
| 643 | # us to delete from e.elements in side the for loop). While we're |
---|
| 644 | # touching all the elements, we also adjust paths from the original |
---|
| 645 | # testbed to local testbed paths and put the federation commands into |
---|
| 646 | # the start commands |
---|
| 647 | for e in [e for e in t.elements]: |
---|
| 648 | if isinstance(e, topdl.Segment): |
---|
| 649 | t.elements.remove(e) |
---|
[43649f1] | 650 | if isinstance(e, topdl.Computer): |
---|
[e76f38a] | 651 | self.add_kit(e, self.federation_software) |
---|
[5e1fb7b] | 652 | if e.get_attribute('portal') and self.portal_startcommand: |
---|
[9b3627e] | 653 | # Add local portal support software |
---|
[e76f38a] | 654 | self.add_kit(e, self.portal_software) |
---|
[43649f1] | 655 | # Portals never have a user-specified start command |
---|
[5e1fb7b] | 656 | e.set_attribute('startup', self.portal_startcommand) |
---|
| 657 | elif self.node_startcommand: |
---|
[43649f1] | 658 | if e.get_attribute('startup'): |
---|
[d87778f] | 659 | e.set_attribute('startup', "%s \\$USER '%s'" % \ |
---|
[5e1fb7b] | 660 | (self.node_startcommand, |
---|
| 661 | e.get_attribute('startup'))) |
---|
[43649f1] | 662 | else: |
---|
[5e1fb7b] | 663 | e.set_attribute('startup', self.node_startcommand) |
---|
[0297248] | 664 | |
---|
[49051fb] | 665 | dinf = [i[0] for i in dragon_map.get(e.name, []) ] |
---|
[35aa3ae] | 666 | # Remove portal interfaces that do not connect to DRAGON |
---|
| 667 | e.interface = [i for i in e.interface \ |
---|
[617592b] | 668 | if not i.get_attribute('portal') or i.name in dinf ] |
---|
[9b3627e] | 669 | # Fix software paths |
---|
| 670 | for s in getattr(e, 'software', []): |
---|
| 671 | s.location = re.sub("^.*/", softdir, s.location) |
---|
[35aa3ae] | 672 | |
---|
| 673 | t.substrates = [ s.clone() for s in t.substrates ] |
---|
| 674 | t.incorporate_elements() |
---|
[ecca6eb] | 675 | |
---|
| 676 | # Customize the ns2 output for local portal commands and images |
---|
| 677 | filters = [] |
---|
| 678 | |
---|
[5e1fb7b] | 679 | if self.dragon_endpoint: |
---|
[617592b] | 680 | add_filter = not_dragon(dragon_map) |
---|
| 681 | filters.append(dragon_commands(dragon_map)) |
---|
[69692a9] | 682 | else: |
---|
| 683 | add_filter = None |
---|
| 684 | |
---|
[5e1fb7b] | 685 | if self.portal_command: |
---|
| 686 | filters.append(topdl.generate_portal_command_filter( |
---|
| 687 | self.portal_command, add_filter=add_filter)) |
---|
[ecca6eb] | 688 | |
---|
[5e1fb7b] | 689 | if self.portal_image: |
---|
[ecca6eb] | 690 | filters.append(topdl.generate_portal_image_filter( |
---|
[5e1fb7b] | 691 | self.portal_image)) |
---|
[ecca6eb] | 692 | |
---|
[5e1fb7b] | 693 | if self.portal_type: |
---|
[ecca6eb] | 694 | filters.append(topdl.generate_portal_hardware_filter( |
---|
[5e1fb7b] | 695 | self.portal_type)) |
---|
[ecca6eb] | 696 | |
---|
| 697 | # Convert to ns and write it out |
---|
| 698 | expfile = topdl.topology_to_ns2(t, filters) |
---|
| 699 | try: |
---|
| 700 | f = open(expfn, "w") |
---|
| 701 | print >>f, expfile |
---|
| 702 | f.close() |
---|
[d3c8759] | 703 | except EnvironmentError: |
---|
[ecca6eb] | 704 | raise service_error(service_error.internal, |
---|
| 705 | "Cannot write experiment file %s: %s" % (expfn,e)) |
---|
[f9ef40b] | 706 | |
---|
[49051fb] | 707 | def configure_userconf(self, services): |
---|
| 708 | """ |
---|
| 709 | If the userconf service was imported, collect the configuration data. |
---|
| 710 | """ |
---|
| 711 | for s in services: |
---|
| 712 | s_name = s.get('name', '') |
---|
| 713 | s_vis = s.get('visibility','') |
---|
| 714 | if s_name == 'userconfig' and s_vis == 'import': |
---|
| 715 | # Collect ther server and certificate info. |
---|
| 716 | u = s.get('server', None) |
---|
| 717 | for a in s.get('fedAttr', []): |
---|
| 718 | if a.get('attribute',"") == 'cert': |
---|
| 719 | cert = a.get('value', None) |
---|
| 720 | break |
---|
| 721 | else: |
---|
| 722 | cert = None |
---|
| 723 | |
---|
| 724 | if cert: |
---|
| 725 | # Make a temporary certificate file for get_url. The |
---|
| 726 | # finally clause removes it whether something goes |
---|
| 727 | # wrong (including an exception from get_url) or not. |
---|
| 728 | try: |
---|
| 729 | tfos, tn = tempfile.mkstemp(suffix=".pem") |
---|
| 730 | tf = os.fdopen(tfos, 'w') |
---|
| 731 | print >>tf, cert |
---|
| 732 | tf.close() |
---|
| 733 | self.log.debug("Getting userconf info: %s" % u) |
---|
| 734 | get_url(u, tn, tmpdir, "userconf") |
---|
| 735 | self.log.debug("Got userconf info: %s" % u) |
---|
[d3c8759] | 736 | except EnvironmentError, e: |
---|
[49051fb] | 737 | raise service_error(service.error.internal, |
---|
| 738 | "Cannot create temp file for " + |
---|
| 739 | "userconfig certificates: %s e") |
---|
| 740 | except: |
---|
| 741 | t, v, st = sys.exc_info() |
---|
| 742 | raise service_error(service_error.internal, |
---|
| 743 | "Error retrieving %s: %s" % (s, v)) |
---|
| 744 | finally: |
---|
| 745 | if tn: os.remove(tn) |
---|
| 746 | else: |
---|
| 747 | raise service_error(service_error.req, |
---|
| 748 | "No certificate for retreiving userconfig") |
---|
| 749 | break |
---|
| 750 | |
---|
| 751 | def add_seer_node(self, topo, name, startup): |
---|
| 752 | """ |
---|
| 753 | Add a seer node to the given topology, with the startup command passed |
---|
| 754 | in. |
---|
| 755 | """ |
---|
| 756 | c_node = topdl.Computer( |
---|
| 757 | name=name, |
---|
| 758 | os= topdl.OperatingSystem( |
---|
| 759 | attribute=[ |
---|
| 760 | { 'attribute': 'osid', |
---|
| 761 | 'value': self.local_seer_image }, |
---|
| 762 | ]), |
---|
| 763 | attribute=[ |
---|
| 764 | { 'attribute': 'startup', 'value': startup }, |
---|
| 765 | ] |
---|
| 766 | ) |
---|
| 767 | self.add_kit(c_node, self.local_seer_software) |
---|
| 768 | topo.elements.append(c_node) |
---|
| 769 | |
---|
| 770 | def configure_seer_services(self, services, topo, softdir): |
---|
[8cf2b90e] | 771 | """ |
---|
| 772 | Make changes to the topology required for the seer requests being made. |
---|
| 773 | Specifically, add any control or master nodes required and set up the |
---|
| 774 | start commands on the nodes to interconnect them. |
---|
| 775 | """ |
---|
| 776 | local_seer = False # True if we need to add a control node |
---|
| 777 | collect_seer = False # True if there is a seer-master node |
---|
| 778 | seer_master= False # True if we need to add the seer-master |
---|
[49051fb] | 779 | for s in services: |
---|
| 780 | s_name = s.get('name', '') |
---|
| 781 | s_vis = s.get('visibility','') |
---|
| 782 | |
---|
[8cf2b90e] | 783 | if s_name == 'local_seer_control' and s_vis == 'export': |
---|
[49051fb] | 784 | local_seer = True |
---|
| 785 | elif s_name == 'seer_master': |
---|
| 786 | if s_vis == 'import': |
---|
| 787 | collect_seer = True |
---|
| 788 | elif s_vis == 'export': |
---|
| 789 | seer_master = True |
---|
| 790 | |
---|
| 791 | # We've got the whole picture now, so add nodes if needed and configure |
---|
| 792 | # them to interconnect properly. |
---|
| 793 | if local_seer or seer_master: |
---|
| 794 | # Copy local seer control node software to the tempdir |
---|
| 795 | for l, f in self.local_seer_software: |
---|
| 796 | base = os.path.basename(f) |
---|
| 797 | copy_file(f, "%s/%s" % (softdir, base)) |
---|
| 798 | # If we're collecting seers somewhere the controllers need to talk to |
---|
| 799 | # the master. In testbeds that export the service, that will be a |
---|
| 800 | # local node that we'll add below. Elsewhere it will be the control |
---|
| 801 | # portal that will port forward to the exporting master. |
---|
| 802 | if local_seer: |
---|
| 803 | if collect_seer: |
---|
[acaa9b9] | 804 | startup = "%s -C %s" % (self.local_seer_start, "seer-master") |
---|
[49051fb] | 805 | else: |
---|
| 806 | startup = self.local_seer_start |
---|
| 807 | self.add_seer_node(topo, 'control', startup) |
---|
| 808 | # If this is the seer master, add that node, too. |
---|
| 809 | if seer_master: |
---|
[aa9a417] | 810 | self.add_seer_node(topo, 'seer-master', self.seer_master_start) |
---|
[49051fb] | 811 | |
---|
| 812 | |
---|
| 813 | |
---|
[cc8d8e9] | 814 | def StartSegment(self, req, fid): |
---|
[6c57fe9] | 815 | |
---|
| 816 | configs = set(('hosts', 'ssh_pubkey', 'ssh_secretkey')) |
---|
| 817 | |
---|
[b770aa0] | 818 | err = None # Any service_error generated after tmpdir is created |
---|
| 819 | rv = None # Return value from segment creation |
---|
| 820 | |
---|
[cc8d8e9] | 821 | try: |
---|
| 822 | req = req['StartSegmentRequestBody'] |
---|
| 823 | except KeyError: |
---|
| 824 | raise service_error(server_error.req, "Badly formed request") |
---|
[ecca6eb] | 825 | |
---|
[e02cd14] | 826 | connInfo = req.get('connection', []) |
---|
| 827 | services = req.get('service', []) |
---|
[cc8d8e9] | 828 | auth_attr = req['allocID']['fedid'] |
---|
[ecca6eb] | 829 | aid = "%s" % auth_attr |
---|
[6c57fe9] | 830 | attrs = req.get('fedAttr', []) |
---|
[ecca6eb] | 831 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 832 | raise service_error(service_error.access, "Access denied") |
---|
[cd06678] | 833 | else: |
---|
| 834 | # See if this is a replay of an earlier succeeded StartSegment - |
---|
| 835 | # sometimes SSL kills 'em. If so, replay the response rather than |
---|
| 836 | # redoing the allocation. |
---|
| 837 | self.state_lock.acquire() |
---|
| 838 | retval = self.allocation[aid].get('started', None) |
---|
| 839 | self.state_lock.release() |
---|
| 840 | if retval: |
---|
| 841 | self.log.warning("Duplicate StartSegment for %s: " % aid + \ |
---|
| 842 | "replaying response") |
---|
| 843 | return retval |
---|
| 844 | |
---|
| 845 | # A new request. Do it. |
---|
[6c57fe9] | 846 | |
---|
| 847 | if req.has_key('segmentdescription') and \ |
---|
| 848 | req['segmentdescription'].has_key('topdldescription'): |
---|
| 849 | topo = \ |
---|
| 850 | topdl.Topology(**req['segmentdescription']['topdldescription']) |
---|
| 851 | else: |
---|
| 852 | raise service_error(service_error.req, |
---|
| 853 | "Request missing segmentdescription'") |
---|
[2761484] | 854 | |
---|
[ecca6eb] | 855 | master = req.get('master', False) |
---|
| 856 | |
---|
[6c57fe9] | 857 | certfile = "%s/%s.pem" % (self.certdir, auth_attr) |
---|
| 858 | try: |
---|
| 859 | tmpdir = tempfile.mkdtemp(prefix="access-") |
---|
[ecca6eb] | 860 | softdir = "%s/software" % tmpdir |
---|
[c23684d] | 861 | os.mkdir(softdir) |
---|
[d3c8759] | 862 | except EnvironmentError: |
---|
[6c57fe9] | 863 | raise service_error(service_error.internal, "Cannot create tmp dir") |
---|
| 864 | |
---|
[b770aa0] | 865 | # Try block alllows us to clean up temporary files. |
---|
| 866 | try: |
---|
| 867 | sw = set() |
---|
| 868 | for e in topo.elements: |
---|
| 869 | for s in getattr(e, 'software', []): |
---|
| 870 | sw.add(s.location) |
---|
| 871 | for s in sw: |
---|
[e02cd14] | 872 | self.log.debug("Retrieving %s" % s) |
---|
[1dcaff4] | 873 | try: |
---|
| 874 | get_url(s, certfile, softdir) |
---|
| 875 | except: |
---|
| 876 | t, v, st = sys.exc_info() |
---|
| 877 | raise service_error(service_error.internal, |
---|
| 878 | "Error retrieving %s: %s" % (s, v)) |
---|
[b770aa0] | 879 | |
---|
[1cf8e2c] | 880 | # Copy local federation and portal node software to the tempdir |
---|
| 881 | for s in (self.federation_software, self.portal_software): |
---|
| 882 | for l, f in s: |
---|
| 883 | base = os.path.basename(f) |
---|
| 884 | copy_file(f, "%s/%s" % (softdir, base)) |
---|
[9b3627e] | 885 | |
---|
[ab847bc] | 886 | ename = None |
---|
| 887 | pubkey_base = None |
---|
| 888 | secretkey_base = None |
---|
[b770aa0] | 889 | for a in attrs: |
---|
| 890 | if a['attribute'] in configs: |
---|
[1dcaff4] | 891 | try: |
---|
[d8442da] | 892 | self.log.debug("Retrieving %s from %s" % \ |
---|
| 893 | (a['attribute'], a['value'])) |
---|
[1dcaff4] | 894 | get_url(a['value'], certfile, tmpdir) |
---|
| 895 | except: |
---|
| 896 | t, v, st = sys.exc_info() |
---|
| 897 | raise service_error(service_error.internal, |
---|
| 898 | "Error retrieving %s: %s" % (s, v)) |
---|
[b770aa0] | 899 | if a['attribute'] == 'ssh_pubkey': |
---|
| 900 | pubkey_base = a['value'].rpartition('/')[2] |
---|
| 901 | if a['attribute'] == 'ssh_secretkey': |
---|
| 902 | secretkey_base = a['value'].rpartition('/')[2] |
---|
| 903 | if a['attribute'] == 'experiment_name': |
---|
| 904 | ename = a['value'] |
---|
| 905 | |
---|
[ab847bc] | 906 | if not ename: |
---|
| 907 | ename = "" |
---|
| 908 | for i in range(0,5): |
---|
| 909 | ename += random.choice(string.ascii_letters) |
---|
| 910 | self.log.warn("No experiment name: picked one randomly: %s" \ |
---|
| 911 | % ename) |
---|
| 912 | |
---|
| 913 | if not pubkey_base: |
---|
| 914 | raise service_error(service_error.req, |
---|
| 915 | "No public key attribute") |
---|
| 916 | |
---|
| 917 | if not secretkey_base: |
---|
| 918 | raise service_error(service_error.req, |
---|
| 919 | "No secret key attribute") |
---|
| 920 | |
---|
[fe28bb2] | 921 | # If the userconf service was imported, collect the configuration |
---|
| 922 | # data. |
---|
[49051fb] | 923 | self.configure_userconf(services) |
---|
| 924 | self.configure_seer_services(services, topo, softdir) |
---|
[fe28bb2] | 925 | |
---|
[b770aa0] | 926 | proj = None |
---|
| 927 | user = None |
---|
| 928 | self.state_lock.acquire() |
---|
| 929 | if self.allocation.has_key(aid): |
---|
| 930 | proj = self.allocation[aid].get('project', None) |
---|
| 931 | if not proj: |
---|
| 932 | proj = self.allocation[aid].get('sproject', None) |
---|
| 933 | user = self.allocation[aid].get('user', None) |
---|
| 934 | self.allocation[aid]['experiment'] = ename |
---|
[f07fa49] | 935 | self.allocation[aid]['log'] = [ ] |
---|
| 936 | # Create a logger that logs to the experiment's state object as |
---|
| 937 | # well as to the main log file. |
---|
| 938 | alloc_log = logging.getLogger('fedd.access.%s' % ename) |
---|
| 939 | h = logging.StreamHandler( |
---|
| 940 | list_log.list_log(self.allocation[aid]['log'])) |
---|
| 941 | # XXX: there should be a global one of these rather than |
---|
| 942 | # repeating the code. |
---|
| 943 | h.setFormatter(logging.Formatter( |
---|
| 944 | "%(asctime)s %(name)s %(message)s", |
---|
| 945 | '%d %b %y %H:%M:%S')) |
---|
| 946 | alloc_log.addHandler(h) |
---|
[b770aa0] | 947 | self.write_state() |
---|
| 948 | self.state_lock.release() |
---|
| 949 | |
---|
| 950 | if not proj: |
---|
| 951 | raise service_error(service_error.internal, |
---|
| 952 | "Can't find project for %s" %aid) |
---|
| 953 | |
---|
| 954 | if not user: |
---|
| 955 | raise service_error(service_error.internal, |
---|
| 956 | "Can't find creation user for %s" %aid) |
---|
| 957 | |
---|
[2761484] | 958 | self.export_store_info(certfile, proj, ename, connInfo) |
---|
| 959 | self.import_store_info(certfile, connInfo) |
---|
| 960 | |
---|
[b770aa0] | 961 | expfile = "%s/experiment.tcl" % tmpdir |
---|
| 962 | |
---|
| 963 | self.generate_portal_configs(topo, pubkey_base, |
---|
[e02cd14] | 964 | secretkey_base, tmpdir, master, proj, ename, connInfo, |
---|
| 965 | services) |
---|
[b770aa0] | 966 | self.generate_ns2(topo, expfile, |
---|
[8cf2b90e] | 967 | "/proj/%s/software/%s/" % (proj, ename), connInfo) |
---|
[f07fa49] | 968 | |
---|
[b770aa0] | 969 | starter = self.start_segment(keyfile=self.ssh_privkey_file, |
---|
[f07fa49] | 970 | debug=self.create_debug, log=alloc_log) |
---|
[b770aa0] | 971 | rv = starter(self, ename, proj, user, expfile, tmpdir) |
---|
[b4b19c7] | 972 | rvtopo = topo.clone() |
---|
[c5869ef] | 973 | |
---|
| 974 | # Copy the assigned names into the return topology |
---|
| 975 | embedding = [ ] |
---|
| 976 | for n in starter.node: |
---|
| 977 | embedding.append({ |
---|
| 978 | 'toponame': n, |
---|
| 979 | 'physname': ["%s%s" % (starter.node[n], self.domain)], |
---|
| 980 | }) |
---|
| 981 | |
---|
| 982 | |
---|
[b770aa0] | 983 | except service_error, e: |
---|
| 984 | err = e |
---|
[e02cd14] | 985 | except e: |
---|
| 986 | err = service_error(service_error.internal, str(e)) |
---|
[b770aa0] | 987 | |
---|
[574055e] | 988 | # Walk up tmpdir, deleting as we go |
---|
[69692a9] | 989 | if self.cleanup: |
---|
| 990 | self.log.debug("[StartSegment]: removing %s" % tmpdir) |
---|
| 991 | for path, dirs, files in os.walk(tmpdir, topdown=False): |
---|
| 992 | for f in files: |
---|
| 993 | os.remove(os.path.join(path, f)) |
---|
| 994 | for d in dirs: |
---|
| 995 | os.rmdir(os.path.join(path, d)) |
---|
| 996 | os.rmdir(tmpdir) |
---|
| 997 | else: |
---|
| 998 | self.log.debug("[StartSegment]: not removing %s" % tmpdir) |
---|
[574055e] | 999 | |
---|
[fd556d1] | 1000 | if rv: |
---|
[f07fa49] | 1001 | # Grab the log (this is some anal locking, but better safe than |
---|
| 1002 | # sorry) |
---|
| 1003 | self.state_lock.acquire() |
---|
| 1004 | logv = "".join(self.allocation[aid]['log']) |
---|
[cd06678] | 1005 | # It's possible that the StartSegment call gets retried (!). |
---|
| 1006 | # if the 'started' key is in the allocation, we'll return it rather |
---|
| 1007 | # than redo the setup. |
---|
| 1008 | self.allocation[aid]['started'] = { |
---|
| 1009 | 'allocID': req['allocID'], |
---|
| 1010 | 'allocationLog': logv, |
---|
[f038da1] | 1011 | 'segmentdescription': { |
---|
| 1012 | 'topdldescription': rvtopo.to_dict() |
---|
[cf00ddd] | 1013 | }, |
---|
[c5869ef] | 1014 | 'embedding': embedding |
---|
[cd06678] | 1015 | } |
---|
[b4b19c7] | 1016 | retval = copy.copy(self.allocation[aid]['started']) |
---|
[1627c3d] | 1017 | self.write_state() |
---|
[f07fa49] | 1018 | self.state_lock.release() |
---|
[cd06678] | 1019 | return retval |
---|
[b770aa0] | 1020 | elif err: |
---|
| 1021 | raise service_error(service_error.federant, |
---|
| 1022 | "Swapin failed: %s" % err) |
---|
[fd556d1] | 1023 | else: |
---|
| 1024 | raise service_error(service_error.federant, "Swapin failed") |
---|
[5ae3857] | 1025 | |
---|
| 1026 | def TerminateSegment(self, req, fid): |
---|
| 1027 | try: |
---|
| 1028 | req = req['TerminateSegmentRequestBody'] |
---|
| 1029 | except KeyError: |
---|
| 1030 | raise service_error(server_error.req, "Badly formed request") |
---|
| 1031 | |
---|
| 1032 | auth_attr = req['allocID']['fedid'] |
---|
| 1033 | aid = "%s" % auth_attr |
---|
| 1034 | attrs = req.get('fedAttr', []) |
---|
| 1035 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 1036 | raise service_error(service_error.access, "Access denied") |
---|
| 1037 | |
---|
| 1038 | self.state_lock.acquire() |
---|
| 1039 | if self.allocation.has_key(aid): |
---|
| 1040 | proj = self.allocation[aid].get('project', None) |
---|
| 1041 | if not proj: |
---|
| 1042 | proj = self.allocation[aid].get('sproject', None) |
---|
| 1043 | user = self.allocation[aid].get('user', None) |
---|
| 1044 | ename = self.allocation[aid].get('experiment', None) |
---|
[1d913e13] | 1045 | else: |
---|
| 1046 | proj = None |
---|
| 1047 | user = None |
---|
| 1048 | ename = None |
---|
[5ae3857] | 1049 | self.state_lock.release() |
---|
| 1050 | |
---|
| 1051 | if not proj: |
---|
| 1052 | raise service_error(service_error.internal, |
---|
| 1053 | "Can't find project for %s" % aid) |
---|
| 1054 | |
---|
| 1055 | if not user: |
---|
| 1056 | raise service_error(service_error.internal, |
---|
| 1057 | "Can't find creation user for %s" % aid) |
---|
| 1058 | if not ename: |
---|
| 1059 | raise service_error(service_error.internal, |
---|
| 1060 | "Can't find experiment name for %s" % aid) |
---|
[fd556d1] | 1061 | stopper = self.stop_segment(keyfile=self.ssh_privkey_file, |
---|
| 1062 | debug=self.create_debug) |
---|
[5ae3857] | 1063 | stopper(self, user, proj, ename) |
---|
| 1064 | return { 'allocID': req['allocID'] } |
---|