[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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| 6 | import string |
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| 7 | import copy |
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[d81971a] | 8 | import pickle |
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[c971895] | 9 | import logging |
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[eeb0088] | 10 | import subprocess |
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[19cc408] | 11 | |
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[f8582c9] | 12 | from threading import * |
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| 13 | |
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[ec4fb42] | 14 | from util import * |
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| 15 | from allocate_project import allocate_project_local, allocate_project_remote |
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| 16 | from access_project import access_project |
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[51cc9df] | 17 | from fedid import fedid, generate_fedid |
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[3f6bc5f] | 18 | from authorizer import authorizer |
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[6a0c9f4] | 19 | from service_error import service_error |
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[9460b1e] | 20 | from remote_service import xmlrpc_handler, soap_handler, service_caller |
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[11a08b0] | 21 | |
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[6c57fe9] | 22 | import httplib |
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| 23 | import tempfile |
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| 24 | from urlparse import urlparse |
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| 25 | |
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[11860f52] | 26 | import topdl |
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| 27 | import list_log |
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| 28 | import proxy_emulab_segment |
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| 29 | import local_emulab_segment |
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| 30 | |
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[0ea11af] | 31 | |
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| 32 | # Make log messages disappear if noone configures a fedd logger |
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[11a08b0] | 33 | class nullHandler(logging.Handler): |
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| 34 | def emit(self, record): pass |
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| 35 | |
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| 36 | fl = logging.getLogger("fedd.access") |
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| 37 | fl.addHandler(nullHandler()) |
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[19cc408] | 38 | |
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[ec4fb42] | 39 | class access: |
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[19cc408] | 40 | """ |
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| 41 | The implementation of access control based on mapping users to projects. |
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| 42 | |
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| 43 | Users can be mapped to existing projects or have projects created |
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| 44 | dynamically. This implements both direct requests and proxies. |
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| 45 | """ |
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| 46 | |
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[4ed10ae] | 47 | class parse_error(RuntimeError): pass |
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| 48 | |
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[72ed6e4] | 49 | |
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[f069052] | 50 | proxy_RequestAccess= service_caller('RequestAccess') |
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| 51 | proxy_ReleaseAccess= service_caller('ReleaseAccess') |
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[c35207d] | 52 | |
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[3f6bc5f] | 53 | def __init__(self, config=None, auth=None): |
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[866c983] | 54 | """ |
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| 55 | Initializer. Pulls parameters out of the ConfigParser's access section. |
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| 56 | """ |
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| 57 | |
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| 58 | # Make sure that the configuration is in place |
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| 59 | if not config: |
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| 60 | raise RunTimeError("No config to fedd.access") |
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| 61 | |
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| 62 | self.project_priority = config.getboolean("access", "project_priority") |
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| 63 | self.allow_proxy = config.getboolean("access", "allow_proxy") |
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| 64 | |
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| 65 | self.boss = config.get("access", "boss") |
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| 66 | self.ops = config.get("access", "ops") |
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| 67 | self.domain = config.get("access", "domain") |
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| 68 | self.fileserver = config.get("access", "fileserver") |
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| 69 | self.eventserver = config.get("access", "eventserver") |
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[6c57fe9] | 70 | self.certdir = config.get("access","certdir") |
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[eeb0088] | 71 | self.userconfdir = config.get("access","userconfdir") |
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| 72 | self.userconfcmd = config.get("access","userconfcmd") |
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[fe28bb2] | 73 | self.userconfurl = config.get("access","userconfurl") |
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[ecca6eb] | 74 | self.ssh_privkey_file = config.get("access","ssh_privkey_file") |
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[3bddd24] | 75 | self.ssh_pubkey_file = config.get("access","ssh_pubkey_file") |
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[6280b1f] | 76 | self.ssh_port = config.get("access","ssh_port") or "22" |
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[5ae3857] | 77 | self.create_debug = config.getboolean("access", "create_debug") |
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[69692a9] | 78 | self.cleanup = not config.getboolean("access", "leave_tmpfiles") |
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[11860f52] | 79 | self.access_type = config.get("access", "type") |
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| 80 | |
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| 81 | self.access_type = self.access_type.lower() |
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| 82 | if self.access_type == 'remote_emulab': |
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| 83 | self.start_segment = proxy_emulab_segment.start_segment |
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| 84 | self.stop_segment = proxy_emulab_segment.stop_segment |
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| 85 | elif self.access_type == 'local_emulab': |
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| 86 | self.start_segment = local_emulab_segment.start_segment |
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| 87 | self.stop_segment = local_emulab_segment.stop_segment |
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| 88 | else: |
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| 89 | self.start_segment = None |
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| 90 | self.stop_segment = None |
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[866c983] | 91 | |
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| 92 | self.attrs = { } |
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| 93 | self.access = { } |
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| 94 | self.restricted = [ ] |
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| 95 | self.projects = { } |
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| 96 | self.keys = { } |
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| 97 | self.types = { } |
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| 98 | self.allocation = { } |
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| 99 | self.state = { |
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| 100 | 'projects': self.projects, |
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| 101 | 'allocation' : self.allocation, |
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| 102 | 'keys' : self.keys, |
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| 103 | 'types': self.types |
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| 104 | } |
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| 105 | self.log = logging.getLogger("fedd.access") |
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| 106 | set_log_level(config, "access", self.log) |
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| 107 | self.state_lock = Lock() |
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[e02cd14] | 108 | # XXX: Configurable |
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[eeb0088] | 109 | self.exports = set(('SMB', 'seer', 'tmcd', 'userconfig')) |
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[b7f6ccc] | 110 | self.imports = set(('SMB', 'seer', 'userconfig')) |
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[866c983] | 111 | |
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| 112 | if auth: self.auth = auth |
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| 113 | else: |
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| 114 | self.log.error(\ |
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| 115 | "[access]: No authorizer initialized, creating local one.") |
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| 116 | auth = authorizer() |
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| 117 | |
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| 118 | tb = config.get('access', 'testbed') |
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| 119 | if tb: self.testbed = [ t.strip() for t in tb.split(',') ] |
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| 120 | else: self.testbed = [ ] |
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| 121 | |
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| 122 | if config.has_option("access", "accessdb"): |
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| 123 | self.read_access(config.get("access", "accessdb")) |
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| 124 | |
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| 125 | self.state_filename = config.get("access", "access_state") |
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| 126 | self.read_state() |
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| 127 | |
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| 128 | # Keep cert_file and cert_pwd coming from the same place |
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| 129 | self.cert_file = config.get("access", "cert_file") |
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| 130 | if self.cert_file: |
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| 131 | self.sert_pwd = config.get("access", "cert_pw") |
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| 132 | else: |
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| 133 | self.cert_file = config.get("globals", "cert_file") |
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| 134 | self.sert_pwd = config.get("globals", "cert_pw") |
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| 135 | |
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| 136 | self.trusted_certs = config.get("access", "trusted_certs") or \ |
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| 137 | config.get("globals", "trusted_certs") |
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| 138 | |
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| 139 | self.soap_services = {\ |
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| 140 | 'RequestAccess': soap_handler("RequestAccess", self.RequestAccess), |
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| 141 | 'ReleaseAccess': soap_handler("ReleaseAccess", self.ReleaseAccess), |
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[cc8d8e9] | 142 | 'StartSegment': soap_handler("StartSegment", self.StartSegment), |
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[5ae3857] | 143 | 'TerminateSegment': soap_handler("TerminateSegment", self.TerminateSegment), |
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[866c983] | 144 | } |
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| 145 | self.xmlrpc_services = {\ |
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| 146 | 'RequestAccess': xmlrpc_handler('RequestAccess', |
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| 147 | self.RequestAccess), |
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| 148 | 'ReleaseAccess': xmlrpc_handler('ReleaseAccess', |
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| 149 | self.ReleaseAccess), |
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[5ae3857] | 150 | 'StartSegment': xmlrpc_handler("StartSegment", self.StartSegment), |
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| 151 | 'TerminateSegment': xmlrpc_handler('TerminateSegment', |
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| 152 | self.TerminateSegment), |
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[866c983] | 153 | } |
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| 154 | |
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[2761484] | 155 | self.call_SetValue = service_caller('SetValue') |
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| 156 | self.call_GetValue = service_caller('GetValue') |
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[866c983] | 157 | |
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| 158 | if not config.has_option("allocate", "uri"): |
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| 159 | self.allocate_project = \ |
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| 160 | allocate_project_local(config, auth) |
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| 161 | else: |
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| 162 | self.allocate_project = \ |
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| 163 | allocate_project_remote(config, auth) |
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| 164 | |
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| 165 | # If the project allocator exports services, put them in this object's |
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| 166 | # maps so that classes that instantiate this can call the services. |
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| 167 | self.soap_services.update(self.allocate_project.soap_services) |
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| 168 | self.xmlrpc_services.update(self.allocate_project.xmlrpc_services) |
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[f8582c9] | 169 | |
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[72ed6e4] | 170 | |
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| 171 | def read_access(self, config): |
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[866c983] | 172 | """ |
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| 173 | Read a configuration file and set internal parameters. |
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| 174 | |
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| 175 | The format is more complex than one might hope. The basic format is |
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| 176 | attribute value pairs separated by colons(:) on a signle line. The |
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| 177 | attributes in bool_attrs, emulab_attrs and id_attrs can all be set |
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| 178 | directly using the name: value syntax. E.g. |
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| 179 | boss: hostname |
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| 180 | sets self.boss to hostname. In addition, there are access lines of the |
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| 181 | form (tb, proj, user) -> (aproj, auser) that map the first tuple of |
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| 182 | names to the second for access purposes. Names in the key (left side) |
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| 183 | can include "<NONE> or <ANY>" to act as wildcards or to require the |
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| 184 | fields to be empty. Similarly aproj or auser can be <SAME> or |
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| 185 | <DYNAMIC> indicating that either the matching key is to be used or a |
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| 186 | dynamic user or project will be created. These names can also be |
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| 187 | federated IDs (fedid's) if prefixed with fedid:. Finally, the aproj |
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| 188 | can be followed with a colon-separated list of node types to which that |
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| 189 | project has access (or will have access if dynamic). |
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| 190 | Testbed attributes outside the forms above can be given using the |
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| 191 | format attribute: name value: value. The name is a single word and the |
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| 192 | value continues to the end of the line. Empty lines and lines startin |
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| 193 | with a # are ignored. |
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| 194 | |
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| 195 | Parsing errors result in a self.parse_error exception being raised. |
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| 196 | """ |
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| 197 | lineno=0 |
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| 198 | name_expr = "["+string.ascii_letters + string.digits + "\.\-_]+" |
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| 199 | fedid_expr = "fedid:[" + string.hexdigits + "]+" |
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| 200 | key_name = "(<ANY>|<NONE>|"+fedid_expr + "|"+ name_expr + ")" |
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| 201 | access_proj = "(<DYNAMIC>(?::" + name_expr +")*|"+ \ |
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| 202 | "<SAME>" + "(?::" + name_expr + ")*|" + \ |
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| 203 | fedid_expr + "(?::" + name_expr + ")*|" + \ |
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| 204 | name_expr + "(?::" + name_expr + ")*)" |
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| 205 | access_name = "(<DYNAMIC>|<SAME>|" + fedid_expr + "|"+ name_expr + ")" |
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| 206 | |
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| 207 | restricted_re = re.compile("restricted:\s*(.*)", re.IGNORECASE) |
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| 208 | attr_re = re.compile('attribute:\s*([\._\-a-z0-9]+)\s+value:\s*(.*)', |
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| 209 | re.IGNORECASE) |
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| 210 | access_re = re.compile('\('+key_name+'\s*,\s*'+key_name+'\s*,\s*'+ |
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| 211 | key_name+'\s*\)\s*->\s*\('+access_proj + '\s*,\s*' + |
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| 212 | access_name + '\s*,\s*' + access_name + '\s*\)', re.IGNORECASE) |
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| 213 | |
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| 214 | def parse_name(n): |
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| 215 | if n.startswith('fedid:'): return fedid(hexstr=n[len('fedid:'):]) |
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| 216 | else: return n |
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| 217 | |
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| 218 | def auth_name(n): |
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| 219 | if isinstance(n, basestring): |
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| 220 | if n =='<any>' or n =='<none>': return None |
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| 221 | else: return unicode(n) |
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| 222 | else: |
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| 223 | return n |
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| 224 | |
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| 225 | f = open(config, "r"); |
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| 226 | for line in f: |
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| 227 | lineno += 1 |
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| 228 | line = line.strip(); |
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| 229 | if len(line) == 0 or line.startswith('#'): |
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| 230 | continue |
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| 231 | |
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| 232 | # Extended (attribute: x value: y) attribute line |
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| 233 | m = attr_re.match(line) |
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| 234 | if m != None: |
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| 235 | attr, val = m.group(1,2) |
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| 236 | self.attrs[attr] = val |
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| 237 | continue |
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| 238 | |
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| 239 | # Restricted entry |
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| 240 | m = restricted_re.match(line) |
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| 241 | if m != None: |
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| 242 | val = m.group(1) |
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| 243 | self.restricted.append(val) |
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| 244 | continue |
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| 245 | |
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| 246 | # Access line (t, p, u) -> (ap, cu, su) line |
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| 247 | m = access_re.match(line) |
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| 248 | if m != None: |
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| 249 | access_key = tuple([ parse_name(x) for x in m.group(1,2,3)]) |
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| 250 | auth_key = tuple([ auth_name(x) for x in access_key]) |
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| 251 | aps = m.group(4).split(":"); |
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| 252 | if aps[0] == 'fedid:': |
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| 253 | del aps[0] |
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| 254 | aps[0] = fedid(hexstr=aps[0]) |
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| 255 | |
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| 256 | cu = parse_name(m.group(5)) |
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| 257 | su = parse_name(m.group(6)) |
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| 258 | |
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| 259 | access_val = (access_project(aps[0], aps[1:]), |
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| 260 | parse_name(m.group(5)), parse_name(m.group(6))) |
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| 261 | |
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| 262 | self.access[access_key] = access_val |
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| 263 | self.auth.set_attribute(auth_key, "access") |
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| 264 | continue |
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| 265 | |
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| 266 | # Nothing matched to here: unknown line - raise exception |
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| 267 | f.close() |
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| 268 | raise self.parse_error("Unknown statement at line %d of %s" % \ |
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| 269 | (lineno, config)) |
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| 270 | f.close() |
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[72ed6e4] | 271 | |
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[19cc408] | 272 | def get_users(self, obj): |
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[866c983] | 273 | """ |
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| 274 | Return a list of the IDs of the users in dict |
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| 275 | """ |
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| 276 | if obj.has_key('user'): |
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| 277 | return [ unpack_id(u['userID']) \ |
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| 278 | for u in obj['user'] if u.has_key('userID') ] |
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| 279 | else: |
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| 280 | return None |
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[19cc408] | 281 | |
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[d81971a] | 282 | def write_state(self): |
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[866c983] | 283 | if self.state_filename: |
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| 284 | try: |
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| 285 | f = open(self.state_filename, 'w') |
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| 286 | pickle.dump(self.state, f) |
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| 287 | except IOError, e: |
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| 288 | self.log.error("Can't write file %s: %s" % \ |
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| 289 | (self.state_filename, e)) |
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| 290 | except pickle.PicklingError, e: |
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| 291 | self.log.error("Pickling problem: %s" % e) |
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| 292 | except TypeError, e: |
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| 293 | self.log.error("Pickling problem (TypeError): %s" % e) |
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[d81971a] | 294 | |
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| 295 | |
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| 296 | def read_state(self): |
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[866c983] | 297 | """ |
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| 298 | Read a new copy of access state. Old state is overwritten. |
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| 299 | |
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| 300 | State format is a simple pickling of the state dictionary. |
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| 301 | """ |
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| 302 | if self.state_filename: |
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| 303 | try: |
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| 304 | f = open(self.state_filename, "r") |
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| 305 | self.state = pickle.load(f) |
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| 306 | |
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| 307 | self.allocation = self.state['allocation'] |
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| 308 | self.projects = self.state['projects'] |
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| 309 | self.keys = self.state['keys'] |
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| 310 | self.types = self.state['types'] |
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| 311 | |
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| 312 | self.log.debug("[read_state]: Read state from %s" % \ |
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| 313 | self.state_filename) |
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| 314 | except IOError, e: |
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| 315 | self.log.warning(("[read_state]: No saved state: " +\ |
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| 316 | "Can't open %s: %s") % (self.state_filename, e)) |
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| 317 | except EOFError, e: |
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| 318 | self.log.warning(("[read_state]: " +\ |
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| 319 | "Empty or damaged state file: %s:") % \ |
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| 320 | self.state_filename) |
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| 321 | except pickle.UnpicklingError, e: |
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| 322 | self.log.warning(("[read_state]: No saved state: " + \ |
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| 323 | "Unpickling failed: %s") % e) |
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| 324 | |
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| 325 | # Add the ownership attributes to the authorizer. Note that the |
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| 326 | # indices of the allocation dict are strings, but the attributes are |
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| 327 | # fedids, so there is a conversion. |
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| 328 | for k in self.allocation.keys(): |
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| 329 | for o in self.allocation[k].get('owners', []): |
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| 330 | self.auth.set_attribute(o, fedid(hexstr=k)) |
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[eeb0088] | 331 | if self.allocation[k].has_key('userconfig'): |
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[fe28bb2] | 332 | sfid = self.allocation[k]['userconfig'] |
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[eeb0088] | 333 | fid = fedid(hexstr=sfid) |
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[fe28bb2] | 334 | self.auth.set_attribute(fid, "/%s" % sfid) |
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[3f6bc5f] | 335 | |
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| 336 | |
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[19cc408] | 337 | def permute_wildcards(self, a, p): |
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[866c983] | 338 | """Return a copy of a with various fields wildcarded. |
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[19cc408] | 339 | |
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[866c983] | 340 | The bits of p control the wildcards. A set bit is a wildcard |
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| 341 | replacement with the lowest bit being user then project then testbed. |
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| 342 | """ |
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| 343 | if p & 1: user = ["<any>"] |
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| 344 | else: user = a[2] |
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| 345 | if p & 2: proj = "<any>" |
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| 346 | else: proj = a[1] |
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| 347 | if p & 4: tb = "<any>" |
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| 348 | else: tb = a[0] |
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[19cc408] | 349 | |
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[866c983] | 350 | return (tb, proj, user) |
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[19cc408] | 351 | |
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| 352 | def find_access(self, search): |
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[866c983] | 353 | """ |
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| 354 | Search the access DB for a match on this tuple. Return the matching |
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| 355 | access tuple and the user that matched. |
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| 356 | |
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| 357 | NB, if the initial tuple fails to match we start inserting wildcards in |
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| 358 | an order determined by self.project_priority. Try the list of users in |
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| 359 | order (when wildcarded, there's only one user in the list). |
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| 360 | """ |
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| 361 | if self.project_priority: perm = (0, 1, 2, 3, 4, 5, 6, 7) |
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| 362 | else: perm = (0, 2, 1, 3, 4, 6, 5, 7) |
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| 363 | |
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| 364 | for p in perm: |
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| 365 | s = self.permute_wildcards(search, p) |
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| 366 | # s[2] is None on an anonymous, unwildcarded request |
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| 367 | if s[2] != None: |
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| 368 | for u in s[2]: |
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| 369 | if self.access.has_key((s[0], s[1], u)): |
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| 370 | return (self.access[(s[0], s[1], u)], u) |
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| 371 | else: |
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| 372 | if self.access.has_key(s): |
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| 373 | return (self.access[s], None) |
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| 374 | return None, None |
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[19cc408] | 375 | |
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| 376 | def lookup_access(self, req, fid): |
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[866c983] | 377 | """ |
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| 378 | Determine the allowed access for this request. Return the access and |
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| 379 | which fields are dynamic. |
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| 380 | |
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| 381 | The fedid is needed to construct the request |
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| 382 | """ |
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[3bddd24] | 383 | user_re = re.compile("user:\s(.*)") |
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| 384 | project_re = re.compile("project:\s(.*)") |
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| 385 | |
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[866c983] | 386 | # Search keys |
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| 387 | tb = None |
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| 388 | project = None |
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| 389 | user = None |
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| 390 | # Return values |
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| 391 | rp = access_project(None, ()) |
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| 392 | ru = None |
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| 393 | |
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[3bddd24] | 394 | user = [ user_re.findall(x)[0] for x in req.get('credential', []) \ |
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| 395 | if user_re.match(x)] |
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| 396 | project = [ project_re.findall(x)[0] \ |
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| 397 | for x in req.get('credential', []) \ |
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| 398 | if project_re.match(x)] |
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| 399 | |
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| 400 | if len(project) == 1: project = project[0] |
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| 401 | elif len(project) == 0: project = None |
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| 402 | else: |
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| 403 | raise service_error(service_error.req, |
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| 404 | "More than one project credential") |
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| 405 | |
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[866c983] | 406 | |
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| 407 | user_fedids = [ u for u in user if isinstance(u, fedid)] |
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| 408 | # Determine how the caller is representing itself. If its fedid shows |
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| 409 | # up as a project or a singleton user, let that stand. If neither the |
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| 410 | # usernames nor the project name is a fedid, the caller is a testbed. |
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| 411 | if project and isinstance(project, fedid): |
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| 412 | if project == fid: |
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| 413 | # The caller is the project (which is already in the tuple |
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| 414 | # passed in to the authorizer) |
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| 415 | owners = user_fedids |
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| 416 | owners.append(project) |
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| 417 | else: |
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| 418 | raise service_error(service_error.req, |
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| 419 | "Project asserting different fedid") |
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| 420 | else: |
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| 421 | if fid not in user_fedids: |
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| 422 | tb = fid |
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| 423 | owners = user_fedids |
---|
| 424 | owners.append(fid) |
---|
| 425 | else: |
---|
| 426 | if len(fedids) > 1: |
---|
| 427 | raise service_error(service_error.req, |
---|
| 428 | "User asserting different fedid") |
---|
| 429 | else: |
---|
| 430 | # Which is a singleton |
---|
| 431 | owners = user_fedids |
---|
| 432 | # Confirm authorization |
---|
| 433 | |
---|
| 434 | for u in user: |
---|
| 435 | self.log.debug("[lookup_access] Checking access for %s" % \ |
---|
| 436 | ((tb, project, u),)) |
---|
| 437 | if self.auth.check_attribute((tb, project, u), 'access'): |
---|
| 438 | self.log.debug("[lookup_access] Access granted") |
---|
| 439 | break |
---|
| 440 | else: |
---|
| 441 | self.log.debug("[lookup_access] Access Denied") |
---|
| 442 | else: |
---|
| 443 | raise service_error(service_error.access, "Access denied") |
---|
| 444 | |
---|
| 445 | # This maps a valid user to the Emulab projects and users to use |
---|
| 446 | found, user_match = self.find_access((tb, project, user)) |
---|
| 447 | |
---|
| 448 | if found == None: |
---|
| 449 | raise service_error(service_error.access, |
---|
| 450 | "Access denied - cannot map access") |
---|
| 451 | |
---|
| 452 | # resolve <dynamic> and <same> in found |
---|
| 453 | dyn_proj = False |
---|
| 454 | dyn_create_user = False |
---|
| 455 | dyn_service_user = False |
---|
| 456 | |
---|
| 457 | if found[0].name == "<same>": |
---|
| 458 | if project != None: |
---|
| 459 | rp.name = project |
---|
| 460 | else : |
---|
| 461 | raise service_error(\ |
---|
| 462 | service_error.server_config, |
---|
| 463 | "Project matched <same> when no project given") |
---|
| 464 | elif found[0].name == "<dynamic>": |
---|
| 465 | rp.name = None |
---|
| 466 | dyn_proj = True |
---|
| 467 | else: |
---|
| 468 | rp.name = found[0].name |
---|
| 469 | rp.node_types = found[0].node_types; |
---|
| 470 | |
---|
| 471 | if found[1] == "<same>": |
---|
| 472 | if user_match == "<any>": |
---|
| 473 | if user != None: rcu = user[0] |
---|
| 474 | else: raise service_error(\ |
---|
| 475 | service_error.server_config, |
---|
| 476 | "Matched <same> on anonymous request") |
---|
| 477 | else: |
---|
| 478 | rcu = user_match |
---|
| 479 | elif found[1] == "<dynamic>": |
---|
| 480 | rcu = None |
---|
| 481 | dyn_create_user = True |
---|
| 482 | else: |
---|
| 483 | rcu = found[1] |
---|
| 484 | |
---|
| 485 | if found[2] == "<same>": |
---|
| 486 | if user_match == "<any>": |
---|
| 487 | if user != None: rsu = user[0] |
---|
| 488 | else: raise service_error(\ |
---|
| 489 | service_error.server_config, |
---|
| 490 | "Matched <same> on anonymous request") |
---|
| 491 | else: |
---|
| 492 | rsu = user_match |
---|
| 493 | elif found[2] == "<dynamic>": |
---|
| 494 | rsu = None |
---|
| 495 | dyn_service_user = True |
---|
| 496 | else: |
---|
| 497 | rsu = found[2] |
---|
| 498 | |
---|
| 499 | return (rp, rcu, rsu), (dyn_create_user, dyn_service_user, dyn_proj),\ |
---|
| 500 | owners |
---|
[19cc408] | 501 | |
---|
[eeb0088] | 502 | def get_handler(self, path, fid): |
---|
| 503 | self.log.info("Get handler %s %s" % (path, fid)) |
---|
| 504 | if self.auth.check_attribute(fid, path) and self.userconfdir: |
---|
| 505 | return ("%s/%s" % (self.userconfdir, path), "application/binary") |
---|
| 506 | else: |
---|
| 507 | return (None, None) |
---|
| 508 | |
---|
| 509 | def export_userconf(self, project): |
---|
| 510 | dev_null = None |
---|
| 511 | confid, confcert = generate_fedid("test", dir=self.userconfdir, |
---|
| 512 | log=self.log) |
---|
| 513 | conffilename = "%s/%s" % (self.userconfdir, str(confid)) |
---|
| 514 | cf = None |
---|
| 515 | try: |
---|
| 516 | cf = open(conffilename, "w") |
---|
| 517 | os.chmod(conffilename, stat.S_IRUSR | stat.S_IWUSR) |
---|
| 518 | except IOError, e: |
---|
| 519 | raise service_error(service_error.internal, |
---|
| 520 | "Cannot create user configuration data") |
---|
| 521 | |
---|
| 522 | try: |
---|
| 523 | dev_null = open("/dev/null", "a") |
---|
| 524 | except IOError, e: |
---|
| 525 | self.log.error("export_userconf: can't open /dev/null: %s" % e) |
---|
| 526 | |
---|
| 527 | cmd = "%s %s" % (self.userconfcmd, project) |
---|
| 528 | conf = subprocess.call(cmd.split(" "), |
---|
| 529 | stdout=cf, stderr=dev_null, close_fds=True) |
---|
| 530 | |
---|
[fe28bb2] | 531 | self.auth.set_attribute(confid, "/%s" % str(confid)) |
---|
[eeb0088] | 532 | |
---|
| 533 | return confid, confcert |
---|
| 534 | |
---|
| 535 | |
---|
[e02cd14] | 536 | def export_services(self, sreq, project, user): |
---|
| 537 | exp = [ ] |
---|
[eeb0088] | 538 | state = { } |
---|
| 539 | # XXX: Filthy shortcut here using http: so urlparse will give the right |
---|
[e02cd14] | 540 | # answers. |
---|
| 541 | for s in sreq: |
---|
| 542 | sname = s.get('name', '') |
---|
| 543 | svis = s.get('visibility', '') |
---|
| 544 | if svis == 'export': |
---|
| 545 | if sname in self.exports: |
---|
| 546 | outs = s.copy() |
---|
| 547 | if sname == 'SMB': |
---|
| 548 | outs = s.copy() |
---|
| 549 | outs['server'] = "http://fs:139" |
---|
| 550 | outs['fedAttr'] = [ |
---|
| 551 | { 'attribute': 'SMBSHARE', 'value': 'USERS' }, |
---|
| 552 | { 'attribute': 'SMBUSER', 'value': user }, |
---|
| 553 | { 'attribute': 'SMBPROJ', 'value': project }, |
---|
| 554 | ] |
---|
| 555 | elif sname == 'seer': |
---|
| 556 | outs['server'] = "http://control:16606" |
---|
| 557 | elif sname == 'tmcd': |
---|
| 558 | outs['server'] = "http://boss:7777" |
---|
[eeb0088] | 559 | elif sname == 'userconfig': |
---|
[fe28bb2] | 560 | if self.userconfdir and self.userconfcmd \ |
---|
| 561 | and self.userconfurl: |
---|
[eeb0088] | 562 | cid, cert = self.export_userconf(project) |
---|
[fe28bb2] | 563 | outs['server'] = "%s/%s" % \ |
---|
| 564 | (self.userconfurl, str(cid)) |
---|
[eeb0088] | 565 | outs['fedAttr'] = [ |
---|
| 566 | { 'attribute': 'cert', 'value': cert }, |
---|
| 567 | ] |
---|
| 568 | state['userconfig'] = unicode(cid) |
---|
[e02cd14] | 569 | exp.append(outs) |
---|
[eeb0088] | 570 | return (exp, state) |
---|
[e02cd14] | 571 | |
---|
| 572 | def build_response(self, alloc_id, ap, services): |
---|
[866c983] | 573 | """ |
---|
| 574 | Create the SOAP response. |
---|
| 575 | |
---|
| 576 | Build the dictionary description of the response and use |
---|
| 577 | fedd_utils.pack_soap to create the soap message. ap is the allocate |
---|
| 578 | project message returned from a remote project allocation (even if that |
---|
| 579 | allocation was done locally). |
---|
| 580 | """ |
---|
| 581 | # Because alloc_id is already a fedd_services_types.IDType_Holder, |
---|
| 582 | # there's no need to repack it |
---|
| 583 | msg = { |
---|
| 584 | 'allocID': alloc_id, |
---|
[4afcfc4] | 585 | 'fedAttr': [ |
---|
| 586 | { 'attribute': 'domain', 'value': self.domain } , |
---|
| 587 | { 'attribute': 'project', 'value': |
---|
| 588 | ap['project'].get('name', {}).get('localname', "???") }, |
---|
| 589 | ] |
---|
[866c983] | 590 | } |
---|
| 591 | if len(self.attrs) > 0: |
---|
[4afcfc4] | 592 | msg['fedAttr'].extend( |
---|
[866c983] | 593 | [ { 'attribute': x, 'value' : y } \ |
---|
[4afcfc4] | 594 | for x,y in self.attrs.iteritems()]) |
---|
[e02cd14] | 595 | |
---|
| 596 | if services: |
---|
| 597 | msg['service'] = services |
---|
[866c983] | 598 | return msg |
---|
[19cc408] | 599 | |
---|
| 600 | def RequestAccess(self, req, fid): |
---|
[866c983] | 601 | """ |
---|
| 602 | Handle the access request. Proxy if not for us. |
---|
| 603 | |
---|
| 604 | Parse out the fields and make the allocations or rejections if for us, |
---|
| 605 | otherwise, assuming we're willing to proxy, proxy the request out. |
---|
| 606 | """ |
---|
| 607 | |
---|
| 608 | def gateway_hardware(h): |
---|
| 609 | if h == 'GWTYPE': return self.attrs.get('connectorType', 'GWTYPE') |
---|
| 610 | else: return h |
---|
| 611 | |
---|
| 612 | # The dance to get into the request body |
---|
| 613 | if req.has_key('RequestAccessRequestBody'): |
---|
| 614 | req = req['RequestAccessRequestBody'] |
---|
| 615 | else: |
---|
| 616 | raise service_error(service_error.req, "No request!?") |
---|
| 617 | |
---|
| 618 | if req.has_key('destinationTestbed'): |
---|
| 619 | dt = unpack_id(req['destinationTestbed']) |
---|
| 620 | |
---|
| 621 | if dt == None or dt in self.testbed: |
---|
| 622 | # Request for this fedd |
---|
| 623 | found, dyn, owners = self.lookup_access(req, fid) |
---|
| 624 | restricted = None |
---|
| 625 | ap = None |
---|
| 626 | |
---|
| 627 | # If this is a request to export a project and the access project |
---|
| 628 | # is not the project to export, access denied. |
---|
| 629 | if req.has_key('exportProject'): |
---|
| 630 | ep = unpack_id(req['exportProject']) |
---|
| 631 | if ep != found[0].name: |
---|
| 632 | raise service_error(service_error.access, |
---|
| 633 | "Cannot export %s" % ep) |
---|
| 634 | |
---|
| 635 | # Check for access to restricted nodes |
---|
| 636 | if req.has_key('resources') and req['resources'].has_key('node'): |
---|
| 637 | resources = req['resources'] |
---|
| 638 | restricted = [ gateway_hardware(t) for n in resources['node'] \ |
---|
| 639 | if n.has_key('hardware') \ |
---|
| 640 | for t in n['hardware'] \ |
---|
| 641 | if gateway_hardware(t) \ |
---|
| 642 | in self.restricted ] |
---|
| 643 | inaccessible = [ t for t in restricted \ |
---|
| 644 | if t not in found[0].node_types] |
---|
| 645 | if len(inaccessible) > 0: |
---|
| 646 | raise service_error(service_error.access, |
---|
| 647 | "Access denied (nodetypes %s)" % \ |
---|
| 648 | str(', ').join(inaccessible)) |
---|
[3bddd24] | 649 | |
---|
| 650 | # These were passed around before, but now are hidden from users |
---|
| 651 | # and configurators alike, beyond a configuration file entry. |
---|
| 652 | create_ssh = [ self.ssh_pubkey_file ] |
---|
| 653 | service_ssh = [ self.ssh_pubkey_file ] |
---|
[866c983] | 654 | |
---|
| 655 | if len(create_ssh) > 0 and len(service_ssh) >0: |
---|
| 656 | if dyn[1]: |
---|
| 657 | # Compose the dynamic project request |
---|
| 658 | # (only dynamic, dynamic currently allowed) |
---|
| 659 | preq = { 'AllocateProjectRequestBody': \ |
---|
| 660 | { 'project' : {\ |
---|
| 661 | 'user': [ \ |
---|
| 662 | { \ |
---|
| 663 | 'access': [ { 'sshPubkey': s } \ |
---|
| 664 | for s in service_ssh ], |
---|
| 665 | 'role': "serviceAccess",\ |
---|
| 666 | }, \ |
---|
| 667 | { \ |
---|
| 668 | 'access': [ { 'sshPubkey': s } \ |
---|
| 669 | for s in create_ssh ], |
---|
| 670 | 'role': "experimentCreation",\ |
---|
| 671 | }, \ |
---|
| 672 | ], \ |
---|
| 673 | }\ |
---|
| 674 | }\ |
---|
| 675 | } |
---|
| 676 | if restricted != None and len(restricted) > 0: |
---|
| 677 | preq['AllocateProjectRequestBody']['resources'] = \ |
---|
| 678 | {'node': [ { 'hardware' : [ h ] } \ |
---|
| 679 | for h in restricted ] } |
---|
| 680 | ap = self.allocate_project.dynamic_project(preq) |
---|
| 681 | else: |
---|
| 682 | preq = {'StaticProjectRequestBody' : \ |
---|
| 683 | { 'project': \ |
---|
| 684 | { 'name' : { 'localname' : found[0].name },\ |
---|
| 685 | 'user' : [ \ |
---|
| 686 | {\ |
---|
| 687 | 'userID': { 'localname' : found[1] }, \ |
---|
| 688 | 'access': [ { 'sshPubkey': s } |
---|
| 689 | for s in create_ssh ], |
---|
| 690 | 'role': 'experimentCreation'\ |
---|
| 691 | },\ |
---|
| 692 | {\ |
---|
| 693 | 'userID': { 'localname' : found[2] }, \ |
---|
| 694 | 'access': [ { 'sshPubkey': s } |
---|
| 695 | for s in service_ssh ], |
---|
| 696 | 'role': 'serviceAccess'\ |
---|
| 697 | },\ |
---|
| 698 | ]}\ |
---|
| 699 | }\ |
---|
| 700 | } |
---|
| 701 | if restricted != None and len(restricted) > 0: |
---|
| 702 | preq['StaticProjectRequestBody']['resources'] = \ |
---|
| 703 | {'node': [ { 'hardware' : [ h ] } \ |
---|
| 704 | for h in restricted ] } |
---|
| 705 | ap = self.allocate_project.static_project(preq) |
---|
| 706 | else: |
---|
| 707 | raise service_error(service_error.req, |
---|
| 708 | "SSH access parameters required") |
---|
| 709 | # keep track of what's been added |
---|
| 710 | allocID, alloc_cert = generate_fedid(subj="alloc", log=self.log) |
---|
| 711 | aid = unicode(allocID) |
---|
| 712 | |
---|
| 713 | self.state_lock.acquire() |
---|
| 714 | self.allocation[aid] = { } |
---|
| 715 | try: |
---|
| 716 | pname = ap['project']['name']['localname'] |
---|
| 717 | except KeyError: |
---|
| 718 | pname = None |
---|
| 719 | |
---|
| 720 | if dyn[1]: |
---|
| 721 | if not pname: |
---|
| 722 | self.state_lock.release() |
---|
| 723 | raise service_error(service_error.internal, |
---|
| 724 | "Misformed allocation response?") |
---|
| 725 | if self.projects.has_key(pname): self.projects[pname] += 1 |
---|
| 726 | else: self.projects[pname] = 1 |
---|
| 727 | self.allocation[aid]['project'] = pname |
---|
[ecca6eb] | 728 | else: |
---|
| 729 | # sproject is a static project associated with this allocation. |
---|
| 730 | self.allocation[aid]['sproject'] = pname |
---|
[866c983] | 731 | |
---|
| 732 | if ap.has_key('resources'): |
---|
| 733 | if not pname: |
---|
| 734 | self.state_lock.release() |
---|
| 735 | raise service_error(service_error.internal, |
---|
| 736 | "Misformed allocation response?") |
---|
| 737 | self.allocation[aid]['types'] = set() |
---|
| 738 | nodes = ap['resources'].get('node', []) |
---|
| 739 | for n in nodes: |
---|
| 740 | for h in n.get('hardware', []): |
---|
| 741 | if self.types.has_key((pname, h)): |
---|
| 742 | self.types[(pname, h)] += 1 |
---|
| 743 | else: |
---|
| 744 | self.types[(pname, h)] = 1 |
---|
| 745 | self.allocation[aid]['types'].add((pname,h)) |
---|
| 746 | |
---|
| 747 | |
---|
| 748 | self.allocation[aid]['keys'] = [ ] |
---|
| 749 | |
---|
| 750 | try: |
---|
| 751 | for u in ap['project']['user']: |
---|
| 752 | uname = u['userID']['localname'] |
---|
[ecca6eb] | 753 | if u['role'] == 'experimentCreation': |
---|
| 754 | self.allocation[aid]['user'] = uname |
---|
[866c983] | 755 | for k in [ k['sshPubkey'] for k in u['access'] \ |
---|
| 756 | if k.has_key('sshPubkey') ]: |
---|
| 757 | kv = "%s:%s" % (uname, k) |
---|
| 758 | if self.keys.has_key(kv): self.keys[kv] += 1 |
---|
| 759 | else: self.keys[kv] = 1 |
---|
| 760 | self.allocation[aid]['keys'].append((uname, k)) |
---|
| 761 | except KeyError: |
---|
| 762 | self.state_lock.release() |
---|
| 763 | raise service_error(service_error.internal, |
---|
| 764 | "Misformed allocation response?") |
---|
| 765 | |
---|
| 766 | self.allocation[aid]['owners'] = owners |
---|
[eeb0088] | 767 | services, svc_state = self.export_services(req.get('service',[]), |
---|
| 768 | pname, uname) |
---|
| 769 | # Store services state in global state |
---|
| 770 | for k, v in svc_state.items(): |
---|
| 771 | self.allocation[aid][k] = v |
---|
[866c983] | 772 | self.write_state() |
---|
| 773 | self.state_lock.release() |
---|
| 774 | for o in owners: |
---|
| 775 | self.auth.set_attribute(o, allocID) |
---|
[6c57fe9] | 776 | try: |
---|
| 777 | f = open("%s/%s.pem" % (self.certdir, aid), "w") |
---|
| 778 | print >>f, alloc_cert |
---|
| 779 | f.close() |
---|
| 780 | except IOError, e: |
---|
| 781 | raise service_error(service_error.internal, |
---|
| 782 | "Can't open %s/%s : %s" % (self.certdir, aid, e)) |
---|
[e02cd14] | 783 | resp = self.build_response({ 'fedid': allocID } , ap, services) |
---|
[866c983] | 784 | return resp |
---|
| 785 | else: |
---|
| 786 | if self.allow_proxy: |
---|
| 787 | resp = self.proxy_RequestAccess.call_service(dt, req, |
---|
| 788 | self.cert_file, self.cert_pwd, |
---|
| 789 | self.trusted_certs) |
---|
| 790 | if resp.has_key('RequestAccessResponseBody'): |
---|
| 791 | return resp['RequestAccessResponseBody'] |
---|
| 792 | else: |
---|
| 793 | return None |
---|
| 794 | else: |
---|
| 795 | raise service_error(service_error.access, |
---|
| 796 | "Access proxying denied") |
---|
[d81971a] | 797 | |
---|
| 798 | def ReleaseAccess(self, req, fid): |
---|
[866c983] | 799 | # The dance to get into the request body |
---|
| 800 | if req.has_key('ReleaseAccessRequestBody'): |
---|
| 801 | req = req['ReleaseAccessRequestBody'] |
---|
| 802 | else: |
---|
| 803 | raise service_error(service_error.req, "No request!?") |
---|
| 804 | |
---|
| 805 | if req.has_key('destinationTestbed'): |
---|
| 806 | dt = unpack_id(req['destinationTestbed']) |
---|
| 807 | else: |
---|
| 808 | dt = None |
---|
| 809 | |
---|
| 810 | if dt == None or dt in self.testbed: |
---|
| 811 | # Local request |
---|
| 812 | try: |
---|
| 813 | if req['allocID'].has_key('localname'): |
---|
| 814 | auth_attr = aid = req['allocID']['localname'] |
---|
| 815 | elif req['allocID'].has_key('fedid'): |
---|
| 816 | aid = unicode(req['allocID']['fedid']) |
---|
| 817 | auth_attr = req['allocID']['fedid'] |
---|
| 818 | else: |
---|
| 819 | raise service_error(service_error.req, |
---|
| 820 | "Only localnames and fedids are understood") |
---|
| 821 | except KeyError: |
---|
| 822 | raise service_error(service_error.req, "Badly formed request") |
---|
| 823 | |
---|
| 824 | self.log.debug("[access] deallocation requested for %s", aid) |
---|
| 825 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 826 | self.log.debug("[access] deallocation denied for %s", aid) |
---|
| 827 | raise service_error(service_error.access, "Access Denied") |
---|
| 828 | |
---|
| 829 | # If we know this allocation, reduce the reference counts and |
---|
| 830 | # remove the local allocations. Otherwise report an error. If |
---|
| 831 | # there is an allocation to delete, del_users will be a dictonary |
---|
| 832 | # of sets where the key is the user that owns the keys in the set. |
---|
| 833 | # We use a set to avoid duplicates. del_project is just the name |
---|
| 834 | # of any dynamic project to delete. We're somewhat lazy about |
---|
| 835 | # deleting authorization attributes. Having access to something |
---|
| 836 | # that doesn't exist isn't harmful. |
---|
| 837 | del_users = { } |
---|
| 838 | del_project = None |
---|
| 839 | del_types = set() |
---|
| 840 | |
---|
| 841 | if self.allocation.has_key(aid): |
---|
| 842 | self.log.debug("Found allocation for %s" %aid) |
---|
| 843 | self.state_lock.acquire() |
---|
| 844 | for k in self.allocation[aid]['keys']: |
---|
| 845 | kk = "%s:%s" % k |
---|
| 846 | self.keys[kk] -= 1 |
---|
| 847 | if self.keys[kk] == 0: |
---|
| 848 | if not del_users.has_key(k[0]): |
---|
| 849 | del_users[k[0]] = set() |
---|
| 850 | del_users[k[0]].add(k[1]) |
---|
| 851 | del self.keys[kk] |
---|
| 852 | |
---|
| 853 | if self.allocation[aid].has_key('project'): |
---|
| 854 | pname = self.allocation[aid]['project'] |
---|
| 855 | self.projects[pname] -= 1 |
---|
| 856 | if self.projects[pname] == 0: |
---|
| 857 | del_project = pname |
---|
| 858 | del self.projects[pname] |
---|
| 859 | |
---|
| 860 | if self.allocation[aid].has_key('types'): |
---|
| 861 | for t in self.allocation[aid]['types']: |
---|
| 862 | self.types[t] -= 1 |
---|
| 863 | if self.types[t] == 0: |
---|
| 864 | if not del_project: del_project = t[0] |
---|
| 865 | del_types.add(t[1]) |
---|
| 866 | del self.types[t] |
---|
| 867 | |
---|
| 868 | del self.allocation[aid] |
---|
| 869 | self.write_state() |
---|
| 870 | self.state_lock.release() |
---|
| 871 | # If we actually have resources to deallocate, prepare the call. |
---|
| 872 | if del_project or del_users: |
---|
| 873 | msg = { 'project': { }} |
---|
| 874 | if del_project: |
---|
| 875 | msg['project']['name']= {'localname': del_project} |
---|
| 876 | users = [ ] |
---|
| 877 | for u in del_users.keys(): |
---|
| 878 | users.append({ 'userID': { 'localname': u },\ |
---|
| 879 | 'access' : \ |
---|
| 880 | [ {'sshPubkey' : s } for s in del_users[u]]\ |
---|
| 881 | }) |
---|
| 882 | if users: |
---|
| 883 | msg['project']['user'] = users |
---|
| 884 | if len(del_types) > 0: |
---|
| 885 | msg['resources'] = { 'node': \ |
---|
| 886 | [ {'hardware': [ h ] } for h in del_types ]\ |
---|
| 887 | } |
---|
| 888 | if self.allocate_project.release_project: |
---|
| 889 | msg = { 'ReleaseProjectRequestBody' : msg} |
---|
| 890 | self.allocate_project.release_project(msg) |
---|
[f07fa49] | 891 | # And remove the access cert |
---|
| 892 | cf = "%s/%s.pem" % (self.certdir, aid) |
---|
| 893 | self.log.debug("Removing %s" % cf) |
---|
| 894 | os.remove(cf) |
---|
[866c983] | 895 | return { 'allocID': req['allocID'] } |
---|
| 896 | else: |
---|
| 897 | raise service_error(service_error.req, "No such allocation") |
---|
| 898 | |
---|
| 899 | else: |
---|
| 900 | if self.allow_proxy: |
---|
| 901 | resp = self.proxy_ReleaseAccess.call_service(dt, req, |
---|
| 902 | self.cert_file, self.cert_pwd, |
---|
| 903 | self.trusted_certs) |
---|
| 904 | if resp.has_key('ReleaseAccessResponseBody'): |
---|
| 905 | return resp['ReleaseAccessResponseBody'] |
---|
| 906 | else: |
---|
| 907 | return None |
---|
| 908 | else: |
---|
| 909 | raise service_error(service_error.access, |
---|
| 910 | "Access proxying denied") |
---|
[d81971a] | 911 | |
---|
[f9ef40b] | 912 | def generate_portal_configs(self, topo, pubkey_base, secretkey_base, |
---|
[e02cd14] | 913 | tmpdir, master, lproj, leid, connInfo, services): |
---|
| 914 | |
---|
| 915 | def conninfo_to_dict(key, info): |
---|
| 916 | """ |
---|
| 917 | Make a cpoy of the connection information about key, and flatten it |
---|
| 918 | into a single dict by parsing out any feddAttrs. |
---|
| 919 | """ |
---|
| 920 | |
---|
| 921 | rv = None |
---|
| 922 | for i in info: |
---|
[617592b] | 923 | if key == i.get('portal', "") or \ |
---|
| 924 | key in [e.get('element', "") \ |
---|
| 925 | for e in i.get('member', [])]: |
---|
[e02cd14] | 926 | rv = i.copy() |
---|
| 927 | break |
---|
[617592b] | 928 | |
---|
[e02cd14] | 929 | else: |
---|
| 930 | return rv |
---|
| 931 | |
---|
| 932 | if 'fedAttr' in rv: |
---|
| 933 | for a in rv['fedAttr']: |
---|
| 934 | attr = a.get('attribute', "") |
---|
| 935 | val = a.get('value', "") |
---|
| 936 | if attr and attr not in rv: |
---|
| 937 | rv[attr] = val |
---|
| 938 | del rv['fedAttr'] |
---|
| 939 | return rv |
---|
| 940 | |
---|
| 941 | # XXX: un hardcode this |
---|
[b7f6ccc] | 942 | def client_null(f, s): |
---|
| 943 | print >>f, "Service: %s" % s['name'] |
---|
[e02cd14] | 944 | |
---|
| 945 | def client_smb(f, s): |
---|
[b7f6ccc] | 946 | print >>f, "Service: %s" % s['name'] |
---|
[e02cd14] | 947 | smbshare = None |
---|
| 948 | smbuser = None |
---|
| 949 | smbproj = None |
---|
| 950 | for a in s.get('fedAttr', []): |
---|
| 951 | if a.get('attribute', '') == 'SMBSHARE': |
---|
| 952 | smbshare = a.get('value', None) |
---|
| 953 | elif a.get('attribute', '') == 'SMBUSER': |
---|
| 954 | smbuser = a.get('value', None) |
---|
| 955 | elif a.get('attribute', '') == 'SMBPROJ': |
---|
| 956 | smbproj = a.get('value', None) |
---|
| 957 | |
---|
| 958 | if all((smbshare, smbuser, smbproj)): |
---|
| 959 | print >>f, "SMBshare: %s" % smbshare |
---|
| 960 | print >>f, "ProjectUser: %s" % smbuser |
---|
| 961 | print >>f, "ProjectName: %s" % smbproj |
---|
| 962 | |
---|
| 963 | client_service_out = { |
---|
| 964 | 'SMB': client_smb, |
---|
| 965 | 'tmcd': client_null, |
---|
| 966 | 'seer': client_null, |
---|
| 967 | 'userconfig': client_null, |
---|
| 968 | } |
---|
| 969 | # XXX: end un hardcode this |
---|
| 970 | |
---|
[ecca6eb] | 971 | |
---|
| 972 | seer_out = False |
---|
[1da6a23] | 973 | client_out = False |
---|
[e2a7a413] | 974 | for e in [ e for e in topo.elements \ |
---|
[f9ef40b] | 975 | if isinstance(e, topdl.Computer) and e.get_attribute('portal')]: |
---|
| 976 | myname = e.name[0] |
---|
[ecca6eb] | 977 | type = e.get_attribute('portal_type') |
---|
[f9ef40b] | 978 | |
---|
[e02cd14] | 979 | info = conninfo_to_dict(myname, connInfo) |
---|
| 980 | |
---|
| 981 | if not info: |
---|
| 982 | raise service_error(service_error.req, |
---|
| 983 | "No connectivity info for %s" % myname) |
---|
| 984 | |
---|
| 985 | peer = info.get('peer', "") |
---|
| 986 | ldomain = self.domain; |
---|
| 987 | |
---|
| 988 | mexp = info.get('masterexperiment',"") |
---|
| 989 | mproj, meid = mexp.split("/", 1) |
---|
| 990 | mdomain = info.get('masterdomain',"") |
---|
| 991 | muser = info.get('masteruser','root') |
---|
| 992 | smbshare = info.get('smbshare', 'USERS') |
---|
| 993 | |
---|
| 994 | active = info.get('active', 'False') |
---|
| 995 | |
---|
[0297248] | 996 | cfn = "%s/%s.gw.conf" % (tmpdir, myname.lower()) |
---|
[1da6a23] | 997 | tunnelconfig = self.attrs.has_key('TunnelCfg') |
---|
[f9ef40b] | 998 | try: |
---|
| 999 | f = open(cfn, "w") |
---|
[0297248] | 1000 | if active == 'True': |
---|
[d87778f] | 1001 | print >>f, "active: True" |
---|
[0297248] | 1002 | if type in ('control', 'both'): |
---|
[e02cd14] | 1003 | for s in [s for s in services \ |
---|
| 1004 | if s.get('name', "") in self.imports]: |
---|
| 1005 | p = urlparse(s.get('server', 'http://localhost')) |
---|
| 1006 | print >>f, 'port: remote:%s:%s:%s' % \ |
---|
| 1007 | (p.port, p.hostname, p.port) |
---|
[0297248] | 1008 | |
---|
| 1009 | if tunnelconfig: |
---|
| 1010 | print >>f, "tunnelip: %s" % tunnelconfig |
---|
[e02cd14] | 1011 | # XXX: send this an fedattr |
---|
| 1012 | #print >>f, "seercontrol: control.%s.%s%s" % \ |
---|
| 1013 | #(meid.lower(), mproj.lower(), mdomain) |
---|
| 1014 | print >>f, "peer: %s" % peer.lower() |
---|
[0297248] | 1015 | print >>f, "ssh_pubkey: /proj/%s/exp/%s/tmp/%s" % \ |
---|
[f9ef40b] | 1016 | (lproj, leid, pubkey_base) |
---|
[0297248] | 1017 | print >>f, "ssh_privkey: /proj/%s/exp/%s/tmp/%s" % \ |
---|
[f9ef40b] | 1018 | (lproj, leid, secretkey_base) |
---|
| 1019 | f.close() |
---|
| 1020 | except IOError, e: |
---|
| 1021 | raise service_error(service_error.internal, |
---|
| 1022 | "Can't write protal config %s: %s" % (cfn, e)) |
---|
[ecca6eb] | 1023 | |
---|
| 1024 | # XXX: This little seer config file needs to go away. |
---|
| 1025 | if not seer_out: |
---|
| 1026 | try: |
---|
| 1027 | seerfn = "%s/seer.conf" % tmpdir |
---|
| 1028 | f = open(seerfn, "w") |
---|
| 1029 | if not master: |
---|
| 1030 | print >>f, "ControlNode: control.%s.%s%s" % \ |
---|
| 1031 | (meid.lower(), mproj.lower(), mdomain) |
---|
| 1032 | print >>f, "ExperimentID: %s" % mexp |
---|
| 1033 | f.close() |
---|
| 1034 | except IOError, e: |
---|
| 1035 | raise service_error(service_error.internal, |
---|
| 1036 | "Can't write seer.conf: %s" %e) |
---|
| 1037 | seer_out = True |
---|
| 1038 | |
---|
[1da6a23] | 1039 | if not client_out and type in ('control', 'both'): |
---|
| 1040 | try: |
---|
| 1041 | f = open("%s/client.conf" % tmpdir, "w") |
---|
| 1042 | print >>f, "ControlGateway: %s.%s.%s%s" % \ |
---|
| 1043 | (myname.lower(), leid.lower(), lproj.lower(), |
---|
| 1044 | ldomain.lower()) |
---|
[e02cd14] | 1045 | for s in services: |
---|
[0ac1934] | 1046 | if s.get('name',"") in self.imports and \ |
---|
| 1047 | s.get('visibility','') == 'import': |
---|
[e02cd14] | 1048 | client_service_out[s['name']](f, s) |
---|
[6280b1f] | 1049 | # Does seer need this? (evidently so) |
---|
| 1050 | print >>f, "ExperimentID: %s/%s" % (mproj, meid) |
---|
[1da6a23] | 1051 | f.close() |
---|
| 1052 | except IOError, e: |
---|
| 1053 | raise service_error(service_error.internal, |
---|
| 1054 | "Cannot write client.conf: %s" %s) |
---|
| 1055 | client_out = True |
---|
| 1056 | |
---|
[ecca6eb] | 1057 | |
---|
[617592b] | 1058 | def generate_ns2(self, topo, expfn, softdir, master, connInfo): |
---|
| 1059 | class dragon_commands: |
---|
| 1060 | """ |
---|
| 1061 | Functor to spit out approrpiate dragon commands for nodes listed in |
---|
| 1062 | the connectivity description. The constructor makes a dict mapping |
---|
| 1063 | dragon nodes to their parameters and the __call__ checks each |
---|
| 1064 | element in turn for membership. |
---|
| 1065 | """ |
---|
| 1066 | def __init__(self, map): |
---|
| 1067 | self.node_info = map |
---|
| 1068 | |
---|
| 1069 | def __call__(self, e): |
---|
| 1070 | s = "" |
---|
| 1071 | if isinstance(e, topdl.Computer): |
---|
| 1072 | if self.node_info.has_key(e.name[0]): |
---|
| 1073 | i = self.node_info[e.name[0]] |
---|
| 1074 | for ifname, vlan, type in i: |
---|
| 1075 | for i in e.interface: |
---|
| 1076 | if i.name == ifname: |
---|
| 1077 | addr = i.get_attribute('ip4_address') |
---|
| 1078 | subs = i.substrate[0] |
---|
| 1079 | break |
---|
| 1080 | else: |
---|
| 1081 | raise service_error(service_error.internal, |
---|
| 1082 | "No interface %s on element %s" % \ |
---|
| 1083 | (ifname, e.name[0])) |
---|
| 1084 | if type =='link': |
---|
| 1085 | s = ("tb-allow-external $%s dragonportal " + \ |
---|
| 1086 | "ip %s vlan %s\n") % \ |
---|
| 1087 | (e.name[0], addr, vlan) |
---|
| 1088 | elif type =='lan': |
---|
| 1089 | s = ("tb-allow-external $%s dragonportal " + \ |
---|
| 1090 | "ip %s vlan %s usurp %s\n") % \ |
---|
| 1091 | (e.name[0], addr, vlan, subs) |
---|
| 1092 | else: |
---|
| 1093 | raise service_error(service_error_internal, |
---|
| 1094 | "Unknown DRAGON type %s" % type) |
---|
| 1095 | return s |
---|
| 1096 | |
---|
| 1097 | class not_dragon: |
---|
| 1098 | def __init__(self, map): |
---|
| 1099 | self.nodes = set(map.keys()) |
---|
| 1100 | |
---|
| 1101 | def __call__(self, e): |
---|
| 1102 | return e.name[0] not in self.nodes |
---|
[69692a9] | 1103 | |
---|
[ecca6eb] | 1104 | t = topo.clone() |
---|
| 1105 | |
---|
[617592b] | 1106 | dragon_map = { } |
---|
| 1107 | for i in [ i for i in connInfo if i['type'] == 'transit']: |
---|
| 1108 | for a in i.get('fedAttr', []): |
---|
| 1109 | if a['attribute'] == 'vlan_id': |
---|
| 1110 | vlan = a['value'] |
---|
| 1111 | break |
---|
| 1112 | else: |
---|
| 1113 | raise service_error(service_error.internal, |
---|
| 1114 | "No vlan tag") |
---|
| 1115 | members = i.get('member', []) |
---|
| 1116 | if len(members) > 1: type = 'lan' |
---|
| 1117 | else: type = 'link' |
---|
| 1118 | |
---|
| 1119 | try: |
---|
| 1120 | for m in members: |
---|
| 1121 | if dragon_map.has_key(m['element']): |
---|
| 1122 | dragon_map[m['element']].append(( m['interface'], |
---|
| 1123 | vlan, type)) |
---|
| 1124 | else: |
---|
| 1125 | dragon_map[m['element']] = [( m['interface'], |
---|
| 1126 | vlan, type),] |
---|
| 1127 | except KeyError: |
---|
| 1128 | raise service_error(service_error.req, |
---|
| 1129 | "Missing connectivity info") |
---|
| 1130 | |
---|
[43649f1] | 1131 | # The startcmds for master and slave testbeds |
---|
| 1132 | if master: |
---|
| 1133 | gate_cmd = self.attrs.get('MasterConnectorStartCmd', '/bin/true') |
---|
| 1134 | node_cmd = self.attrs.get('MasterNodeStartCmd', 'bin/true') |
---|
| 1135 | else: |
---|
| 1136 | gate_cmd = self.attrs.get('SlaveConnectorStartCmd', '/bin/true') |
---|
| 1137 | node_cmd = self.attrs.get('SlaveNodeStartCmd', 'bin/true') |
---|
[0297248] | 1138 | |
---|
[35aa3ae] | 1139 | # Weed out the things we aren't going to instantiate: Segments, portal |
---|
| 1140 | # substrates, and portal interfaces. (The copy in the for loop allows |
---|
| 1141 | # us to delete from e.elements in side the for loop). While we're |
---|
| 1142 | # touching all the elements, we also adjust paths from the original |
---|
| 1143 | # testbed to local testbed paths and put the federation commands into |
---|
| 1144 | # the start commands |
---|
| 1145 | for e in [e for e in t.elements]: |
---|
| 1146 | if isinstance(e, topdl.Segment): |
---|
| 1147 | t.elements.remove(e) |
---|
| 1148 | # Fix software paths |
---|
[ecca6eb] | 1149 | for s in getattr(e, 'software', []): |
---|
| 1150 | s.location = re.sub("^.*/", softdir, s.location) |
---|
[43649f1] | 1151 | if isinstance(e, topdl.Computer): |
---|
[35aa3ae] | 1152 | if e.get_attribute('portal') and gate_cmd: |
---|
[43649f1] | 1153 | # Portals never have a user-specified start command |
---|
| 1154 | e.set_attribute('startup', gate_cmd) |
---|
[35aa3ae] | 1155 | elif node_cmd: |
---|
[43649f1] | 1156 | if e.get_attribute('startup'): |
---|
[d87778f] | 1157 | e.set_attribute('startup', "%s \\$USER '%s'" % \ |
---|
[43649f1] | 1158 | (node_cmd, e.get_attribute('startup'))) |
---|
| 1159 | else: |
---|
[d87778f] | 1160 | e.set_attribute('startup', node_cmd) |
---|
[0297248] | 1161 | |
---|
[617592b] | 1162 | dinf = [i[0] for i in dragon_map.get(e.name[0], []) ] |
---|
[35aa3ae] | 1163 | # Remove portal interfaces that do not connect to DRAGON |
---|
| 1164 | e.interface = [i for i in e.interface \ |
---|
[617592b] | 1165 | if not i.get_attribute('portal') or i.name in dinf ] |
---|
[35aa3ae] | 1166 | |
---|
| 1167 | t.substrates = [ s.clone() for s in t.substrates ] |
---|
| 1168 | t.incorporate_elements() |
---|
[ecca6eb] | 1169 | |
---|
| 1170 | # Customize the ns2 output for local portal commands and images |
---|
| 1171 | filters = [] |
---|
| 1172 | |
---|
[43649f1] | 1173 | # NB: these are extra commands issued for the node, not the startcmds |
---|
| 1174 | if master: cmd = self.attrs.get('MasterConnectorCmd', '') |
---|
| 1175 | else: cmd = self.attrs.get('SlaveConnectorCmd', '') |
---|
[ecca6eb] | 1176 | |
---|
[69692a9] | 1177 | if self.attrs.has_key('dragon'): |
---|
[617592b] | 1178 | add_filter = not_dragon(dragon_map) |
---|
| 1179 | filters.append(dragon_commands(dragon_map)) |
---|
[69692a9] | 1180 | else: |
---|
| 1181 | add_filter = None |
---|
| 1182 | |
---|
[43649f1] | 1183 | if cmd: |
---|
| 1184 | filters.append(topdl.generate_portal_command_filter(cmd, |
---|
| 1185 | add_filter=add_filter)) |
---|
[ecca6eb] | 1186 | |
---|
| 1187 | if self.attrs.has_key('connectorImage'): |
---|
| 1188 | filters.append(topdl.generate_portal_image_filter( |
---|
| 1189 | self.attrs.get('connectorImage'))) |
---|
| 1190 | |
---|
| 1191 | if self.attrs.has_key('connectorType'): |
---|
| 1192 | filters.append(topdl.generate_portal_hardware_filter( |
---|
| 1193 | self.attrs.get('connectorType'))) |
---|
| 1194 | |
---|
| 1195 | # Convert to ns and write it out |
---|
| 1196 | expfile = topdl.topology_to_ns2(t, filters) |
---|
| 1197 | try: |
---|
| 1198 | f = open(expfn, "w") |
---|
| 1199 | print >>f, expfile |
---|
| 1200 | f.close() |
---|
| 1201 | except IOError: |
---|
| 1202 | raise service_error(service_error.internal, |
---|
| 1203 | "Cannot write experiment file %s: %s" % (expfn,e)) |
---|
[f9ef40b] | 1204 | |
---|
[2761484] | 1205 | def export_store_info(self, cf, proj, ename, connInfo): |
---|
| 1206 | """ |
---|
| 1207 | For the export requests in the connection info, install the peer names |
---|
| 1208 | at the experiment controller via SetValue calls. |
---|
| 1209 | """ |
---|
| 1210 | |
---|
| 1211 | for c in connInfo: |
---|
| 1212 | for p in [ p for p in c.get('parameter', []) \ |
---|
| 1213 | if p.get('type', '') == 'output']: |
---|
| 1214 | |
---|
[6280b1f] | 1215 | if p.get('name', '') == 'peer': |
---|
| 1216 | k = p.get('key', None) |
---|
| 1217 | surl = p.get('store', None) |
---|
| 1218 | if surl and k and k.index('/') != -1: |
---|
| 1219 | value = "%s.%s.%s%s" % \ |
---|
| 1220 | (k[k.index('/')+1:], ename, proj, self.domain) |
---|
| 1221 | req = { 'name': k, 'value': value } |
---|
| 1222 | self.call_SetValue(surl, req, cf) |
---|
| 1223 | else: |
---|
| 1224 | self.log.error("Bad export request: %s" % p) |
---|
| 1225 | elif p.get('name', '') == 'ssh_port': |
---|
| 1226 | k = p.get('key', None) |
---|
| 1227 | surl = p.get('store', None) |
---|
| 1228 | if surl and k: |
---|
| 1229 | req = { 'name': k, 'value': self.ssh_port } |
---|
| 1230 | self.call_SetValue(surl, req, cf) |
---|
| 1231 | else: |
---|
| 1232 | self.log.error("Bad export request: %s" % p) |
---|
| 1233 | else: |
---|
[2761484] | 1234 | self.log.error("Unknown export parameter: %s" % \ |
---|
| 1235 | p.get('name')) |
---|
| 1236 | continue |
---|
| 1237 | |
---|
| 1238 | def import_store_info(self, cf, connInfo): |
---|
| 1239 | """ |
---|
| 1240 | Pull any import parameters in connInfo in. We translate them either |
---|
| 1241 | into known member names or fedAddrs. |
---|
| 1242 | """ |
---|
| 1243 | |
---|
| 1244 | for c in connInfo: |
---|
| 1245 | for p in [ p for p in c.get('parameter', []) \ |
---|
| 1246 | if p.get('type', '') == 'input']: |
---|
| 1247 | name = p.get('name', None) |
---|
| 1248 | key = p.get('key', None) |
---|
| 1249 | store = p.get('store', None) |
---|
| 1250 | |
---|
| 1251 | if name and key and store : |
---|
| 1252 | req = { 'name': key, 'wait': True } |
---|
| 1253 | r = self.call_GetValue(store, req, cf) |
---|
| 1254 | r = r.get('GetValueResponseBody', None) |
---|
| 1255 | if r : |
---|
| 1256 | if r.get('name', '') == key: |
---|
| 1257 | v = r.get('value', None) |
---|
| 1258 | if v is not None: |
---|
| 1259 | if name == 'peer': |
---|
| 1260 | c['peer'] = v |
---|
| 1261 | else: |
---|
| 1262 | if c.has_key('fedAttr'): |
---|
| 1263 | c['fedAttr'].append({ |
---|
[8353ac6] | 1264 | 'attribute': name, 'value': v}) |
---|
[2761484] | 1265 | else: |
---|
| 1266 | c['fedAttr']= [{ |
---|
[8353ac6] | 1267 | 'attribute': name, 'value': v}] |
---|
[2761484] | 1268 | else: |
---|
| 1269 | raise service_error(service_error.internal, |
---|
| 1270 | 'None value exported for %s' % key) |
---|
| 1271 | else: |
---|
| 1272 | raise service_error(service_error.internal, |
---|
| 1273 | 'Different name returned for %s: %s' \ |
---|
| 1274 | % (key, r.get('name',''))) |
---|
| 1275 | else: |
---|
| 1276 | raise service_error(service_error.internal, |
---|
| 1277 | 'Badly formatted response: no GetValueResponseBody') |
---|
| 1278 | else: |
---|
| 1279 | raise service_error(service_error.internal, |
---|
| 1280 | 'Bad Services missing info for import %s' % c) |
---|
| 1281 | |
---|
[cc8d8e9] | 1282 | def StartSegment(self, req, fid): |
---|
[fe28bb2] | 1283 | def get_url(url, cf, destdir, fn=None): |
---|
[6c57fe9] | 1284 | po = urlparse(url) |
---|
[fe28bb2] | 1285 | if not fn: |
---|
| 1286 | fn = po.path.rpartition('/')[2] |
---|
[6c57fe9] | 1287 | try: |
---|
| 1288 | conn = httplib.HTTPSConnection(po.hostname, port=po.port, |
---|
| 1289 | cert_file=cf, key_file=cf) |
---|
| 1290 | conn.putrequest('GET', po.path) |
---|
| 1291 | conn.endheaders() |
---|
| 1292 | response = conn.getresponse() |
---|
| 1293 | |
---|
[574055e] | 1294 | lf = open("%s/%s" % (destdir, fn), "w") |
---|
[6c57fe9] | 1295 | buf = response.read(4096) |
---|
| 1296 | while buf: |
---|
| 1297 | lf.write(buf) |
---|
| 1298 | buf = response.read(4096) |
---|
| 1299 | lf.close() |
---|
| 1300 | except IOError, e: |
---|
[fe28bb2] | 1301 | print e |
---|
[6c57fe9] | 1302 | raise service_error(service_error.internal, |
---|
[fe28bb2] | 1303 | "Error writing tempfile: %s" %e) |
---|
[6c57fe9] | 1304 | except httplib.HTTPException, e: |
---|
[fe28bb2] | 1305 | print e |
---|
[6c57fe9] | 1306 | raise service_error(service_error.internal, |
---|
| 1307 | "Error retrieving data: %s" % e) |
---|
| 1308 | |
---|
| 1309 | configs = set(('hosts', 'ssh_pubkey', 'ssh_secretkey')) |
---|
| 1310 | |
---|
[b770aa0] | 1311 | err = None # Any service_error generated after tmpdir is created |
---|
| 1312 | rv = None # Return value from segment creation |
---|
| 1313 | |
---|
[cc8d8e9] | 1314 | try: |
---|
| 1315 | req = req['StartSegmentRequestBody'] |
---|
| 1316 | except KeyError: |
---|
| 1317 | raise service_error(server_error.req, "Badly formed request") |
---|
[ecca6eb] | 1318 | |
---|
[e02cd14] | 1319 | connInfo = req.get('connection', []) |
---|
| 1320 | services = req.get('service', []) |
---|
[cc8d8e9] | 1321 | auth_attr = req['allocID']['fedid'] |
---|
[ecca6eb] | 1322 | aid = "%s" % auth_attr |
---|
[6c57fe9] | 1323 | attrs = req.get('fedAttr', []) |
---|
[ecca6eb] | 1324 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 1325 | raise service_error(service_error.access, "Access denied") |
---|
[6c57fe9] | 1326 | |
---|
| 1327 | if req.has_key('segmentdescription') and \ |
---|
| 1328 | req['segmentdescription'].has_key('topdldescription'): |
---|
| 1329 | topo = \ |
---|
| 1330 | topdl.Topology(**req['segmentdescription']['topdldescription']) |
---|
| 1331 | else: |
---|
| 1332 | raise service_error(service_error.req, |
---|
| 1333 | "Request missing segmentdescription'") |
---|
[2761484] | 1334 | |
---|
[ecca6eb] | 1335 | master = req.get('master', False) |
---|
| 1336 | |
---|
[6c57fe9] | 1337 | certfile = "%s/%s.pem" % (self.certdir, auth_attr) |
---|
| 1338 | try: |
---|
| 1339 | tmpdir = tempfile.mkdtemp(prefix="access-") |
---|
[ecca6eb] | 1340 | softdir = "%s/software" % tmpdir |
---|
[6c57fe9] | 1341 | except IOError: |
---|
| 1342 | raise service_error(service_error.internal, "Cannot create tmp dir") |
---|
| 1343 | |
---|
[b770aa0] | 1344 | # Try block alllows us to clean up temporary files. |
---|
| 1345 | try: |
---|
| 1346 | sw = set() |
---|
| 1347 | for e in topo.elements: |
---|
| 1348 | for s in getattr(e, 'software', []): |
---|
| 1349 | sw.add(s.location) |
---|
| 1350 | if len(sw) > 0: |
---|
| 1351 | os.mkdir(softdir) |
---|
| 1352 | for s in sw: |
---|
[e02cd14] | 1353 | self.log.debug("Retrieving %s" % s) |
---|
[b770aa0] | 1354 | get_url(s, certfile, softdir) |
---|
| 1355 | |
---|
| 1356 | for a in attrs: |
---|
| 1357 | if a['attribute'] in configs: |
---|
| 1358 | get_url(a['value'], certfile, tmpdir) |
---|
| 1359 | if a['attribute'] == 'ssh_pubkey': |
---|
| 1360 | pubkey_base = a['value'].rpartition('/')[2] |
---|
| 1361 | if a['attribute'] == 'ssh_secretkey': |
---|
| 1362 | secretkey_base = a['value'].rpartition('/')[2] |
---|
| 1363 | if a['attribute'] == 'experiment_name': |
---|
| 1364 | ename = a['value'] |
---|
| 1365 | |
---|
[fe28bb2] | 1366 | # If the userconf service was imported, collect the configuration |
---|
| 1367 | # data. |
---|
| 1368 | for s in services: |
---|
| 1369 | if s.get("name", "") == 'userconfig' \ |
---|
| 1370 | and s.get('visibility',"") == 'import': |
---|
[94a00cb] | 1371 | |
---|
| 1372 | # Collect ther server and certificate info. |
---|
[fe28bb2] | 1373 | u = s.get('server', None) |
---|
| 1374 | for a in s.get('fedAttr', []): |
---|
| 1375 | if a.get('attribute',"") == 'cert': |
---|
| 1376 | cert = a.get('value', None) |
---|
| 1377 | break |
---|
| 1378 | else: |
---|
| 1379 | cert = None |
---|
| 1380 | |
---|
[94a00cb] | 1381 | if cert: |
---|
| 1382 | # Make a temporary certificate file for get_url. The |
---|
| 1383 | # finally clause removes it whether something goes |
---|
| 1384 | # wrong (including an exception from get_url) or not. |
---|
| 1385 | try: |
---|
| 1386 | tfos, tn = tempfile.mkstemp(suffix=".pem") |
---|
| 1387 | tf = os.fdopen(tfos, 'w') |
---|
| 1388 | print >>tf, cert |
---|
| 1389 | tf.close() |
---|
| 1390 | get_url(u, tn, tmpdir, "userconf") |
---|
| 1391 | except IOError, e: |
---|
| 1392 | raise service_error(service.error.internal, |
---|
| 1393 | "Cannot create temp file for " + |
---|
| 1394 | "userconfig certificates: %s e") |
---|
| 1395 | finally: |
---|
| 1396 | if tn: os.remove(tn) |
---|
| 1397 | else: |
---|
[fe28bb2] | 1398 | raise service_error(service_error.req, |
---|
| 1399 | "No certificate for retreiving userconfig") |
---|
| 1400 | break |
---|
| 1401 | |
---|
| 1402 | |
---|
| 1403 | |
---|
[b770aa0] | 1404 | proj = None |
---|
| 1405 | user = None |
---|
| 1406 | self.state_lock.acquire() |
---|
| 1407 | if self.allocation.has_key(aid): |
---|
| 1408 | proj = self.allocation[aid].get('project', None) |
---|
| 1409 | if not proj: |
---|
| 1410 | proj = self.allocation[aid].get('sproject', None) |
---|
| 1411 | user = self.allocation[aid].get('user', None) |
---|
| 1412 | self.allocation[aid]['experiment'] = ename |
---|
[f07fa49] | 1413 | self.allocation[aid]['log'] = [ ] |
---|
| 1414 | # Create a logger that logs to the experiment's state object as |
---|
| 1415 | # well as to the main log file. |
---|
| 1416 | alloc_log = logging.getLogger('fedd.access.%s' % ename) |
---|
| 1417 | h = logging.StreamHandler( |
---|
| 1418 | list_log.list_log(self.allocation[aid]['log'])) |
---|
| 1419 | # XXX: there should be a global one of these rather than |
---|
| 1420 | # repeating the code. |
---|
| 1421 | h.setFormatter(logging.Formatter( |
---|
| 1422 | "%(asctime)s %(name)s %(message)s", |
---|
| 1423 | '%d %b %y %H:%M:%S')) |
---|
| 1424 | alloc_log.addHandler(h) |
---|
[b770aa0] | 1425 | self.write_state() |
---|
| 1426 | self.state_lock.release() |
---|
| 1427 | |
---|
| 1428 | if not proj: |
---|
| 1429 | raise service_error(service_error.internal, |
---|
| 1430 | "Can't find project for %s" %aid) |
---|
| 1431 | |
---|
| 1432 | if not user: |
---|
| 1433 | raise service_error(service_error.internal, |
---|
| 1434 | "Can't find creation user for %s" %aid) |
---|
| 1435 | |
---|
[2761484] | 1436 | self.export_store_info(certfile, proj, ename, connInfo) |
---|
| 1437 | self.import_store_info(certfile, connInfo) |
---|
| 1438 | |
---|
[b770aa0] | 1439 | expfile = "%s/experiment.tcl" % tmpdir |
---|
| 1440 | |
---|
| 1441 | self.generate_portal_configs(topo, pubkey_base, |
---|
[e02cd14] | 1442 | secretkey_base, tmpdir, master, proj, ename, connInfo, |
---|
| 1443 | services) |
---|
[b770aa0] | 1444 | self.generate_ns2(topo, expfile, |
---|
[617592b] | 1445 | "/proj/%s/software/%s/" % (proj, ename), master, connInfo) |
---|
[f07fa49] | 1446 | |
---|
[b770aa0] | 1447 | starter = self.start_segment(keyfile=self.ssh_privkey_file, |
---|
[f07fa49] | 1448 | debug=self.create_debug, log=alloc_log) |
---|
[b770aa0] | 1449 | rv = starter(self, ename, proj, user, expfile, tmpdir) |
---|
| 1450 | except service_error, e: |
---|
| 1451 | err = e |
---|
[e02cd14] | 1452 | except e: |
---|
| 1453 | err = service_error(service_error.internal, str(e)) |
---|
[b770aa0] | 1454 | |
---|
[574055e] | 1455 | # Walk up tmpdir, deleting as we go |
---|
[69692a9] | 1456 | if self.cleanup: |
---|
| 1457 | self.log.debug("[StartSegment]: removing %s" % tmpdir) |
---|
| 1458 | for path, dirs, files in os.walk(tmpdir, topdown=False): |
---|
| 1459 | for f in files: |
---|
| 1460 | os.remove(os.path.join(path, f)) |
---|
| 1461 | for d in dirs: |
---|
| 1462 | os.rmdir(os.path.join(path, d)) |
---|
| 1463 | os.rmdir(tmpdir) |
---|
| 1464 | else: |
---|
| 1465 | self.log.debug("[StartSegment]: not removing %s" % tmpdir) |
---|
[574055e] | 1466 | |
---|
[fd556d1] | 1467 | if rv: |
---|
[f07fa49] | 1468 | # Grab the log (this is some anal locking, but better safe than |
---|
| 1469 | # sorry) |
---|
| 1470 | self.state_lock.acquire() |
---|
| 1471 | logv = "".join(self.allocation[aid]['log']) |
---|
| 1472 | self.state_lock.release() |
---|
| 1473 | |
---|
| 1474 | return { 'allocID': req['allocID'], 'allocationLog': logv } |
---|
[b770aa0] | 1475 | elif err: |
---|
| 1476 | raise service_error(service_error.federant, |
---|
| 1477 | "Swapin failed: %s" % err) |
---|
[fd556d1] | 1478 | else: |
---|
| 1479 | raise service_error(service_error.federant, "Swapin failed") |
---|
[5ae3857] | 1480 | |
---|
| 1481 | def TerminateSegment(self, req, fid): |
---|
| 1482 | try: |
---|
| 1483 | req = req['TerminateSegmentRequestBody'] |
---|
| 1484 | except KeyError: |
---|
| 1485 | raise service_error(server_error.req, "Badly formed request") |
---|
| 1486 | |
---|
| 1487 | auth_attr = req['allocID']['fedid'] |
---|
| 1488 | aid = "%s" % auth_attr |
---|
| 1489 | attrs = req.get('fedAttr', []) |
---|
| 1490 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 1491 | raise service_error(service_error.access, "Access denied") |
---|
| 1492 | |
---|
| 1493 | self.state_lock.acquire() |
---|
| 1494 | if self.allocation.has_key(aid): |
---|
| 1495 | proj = self.allocation[aid].get('project', None) |
---|
| 1496 | if not proj: |
---|
| 1497 | proj = self.allocation[aid].get('sproject', None) |
---|
| 1498 | user = self.allocation[aid].get('user', None) |
---|
| 1499 | ename = self.allocation[aid].get('experiment', None) |
---|
[1d913e13] | 1500 | else: |
---|
| 1501 | proj = None |
---|
| 1502 | user = None |
---|
| 1503 | ename = None |
---|
[5ae3857] | 1504 | self.state_lock.release() |
---|
| 1505 | |
---|
| 1506 | if not proj: |
---|
| 1507 | raise service_error(service_error.internal, |
---|
| 1508 | "Can't find project for %s" % aid) |
---|
| 1509 | |
---|
| 1510 | if not user: |
---|
| 1511 | raise service_error(service_error.internal, |
---|
| 1512 | "Can't find creation user for %s" % aid) |
---|
| 1513 | if not ename: |
---|
| 1514 | raise service_error(service_error.internal, |
---|
| 1515 | "Can't find experiment name for %s" % aid) |
---|
[fd556d1] | 1516 | stopper = self.stop_segment(keyfile=self.ssh_privkey_file, |
---|
| 1517 | debug=self.create_debug) |
---|
[5ae3857] | 1518 | stopper(self, user, proj, ename) |
---|
| 1519 | return { 'allocID': req['allocID'] } |
---|