[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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[8e6fe4d] | 13 | from M2Crypto.SSL import SSLError |
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[f8582c9] | 14 | |
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[ec4fb42] | 15 | from util import * |
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| 16 | from allocate_project import allocate_project_local, allocate_project_remote |
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| 17 | from access_project import access_project |
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[51cc9df] | 18 | from fedid import fedid, generate_fedid |
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[3f6bc5f] | 19 | from authorizer import authorizer |
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[6a0c9f4] | 20 | from service_error import service_error |
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[9460b1e] | 21 | from remote_service import xmlrpc_handler, soap_handler, service_caller |
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[11a08b0] | 22 | |
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[6c57fe9] | 23 | import httplib |
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| 24 | import tempfile |
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| 25 | from urlparse import urlparse |
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| 26 | |
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[11860f52] | 27 | import topdl |
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| 28 | import list_log |
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| 29 | import proxy_emulab_segment |
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| 30 | import local_emulab_segment |
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| 31 | |
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[0ea11af] | 32 | |
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| 33 | # Make log messages disappear if noone configures a fedd logger |
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[11a08b0] | 34 | class nullHandler(logging.Handler): |
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| 35 | def emit(self, record): pass |
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| 36 | |
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| 37 | fl = logging.getLogger("fedd.access") |
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| 38 | fl.addHandler(nullHandler()) |
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[19cc408] | 39 | |
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[ec4fb42] | 40 | class access: |
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[19cc408] | 41 | """ |
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| 42 | The implementation of access control based on mapping users to projects. |
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| 43 | |
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| 44 | Users can be mapped to existing projects or have projects created |
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| 45 | dynamically. This implements both direct requests and proxies. |
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| 46 | """ |
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| 47 | |
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[4ed10ae] | 48 | class parse_error(RuntimeError): pass |
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| 49 | |
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[72ed6e4] | 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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[9b3627e] | 59 | def software_list(v): |
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| 60 | l = [ ] |
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| 61 | if v: |
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| 62 | ps = v.split(" ") |
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| 63 | while len(ps): |
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| 64 | loc, file = ps[0:2] |
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| 65 | del ps[0:2] |
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| 66 | l.append((loc, file)) |
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| 67 | return l |
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| 68 | |
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| 69 | |
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[866c983] | 70 | # Make sure that the configuration is in place |
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| 71 | if not config: |
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| 72 | raise RunTimeError("No config to fedd.access") |
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| 73 | |
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| 74 | self.project_priority = config.getboolean("access", "project_priority") |
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| 75 | self.allow_proxy = config.getboolean("access", "allow_proxy") |
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| 76 | |
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| 77 | self.boss = config.get("access", "boss") |
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| 78 | self.ops = config.get("access", "ops") |
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| 79 | self.domain = config.get("access", "domain") |
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| 80 | self.fileserver = config.get("access", "fileserver") |
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| 81 | self.eventserver = config.get("access", "eventserver") |
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[6c57fe9] | 82 | self.certdir = config.get("access","certdir") |
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[eeb0088] | 83 | self.userconfdir = config.get("access","userconfdir") |
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| 84 | self.userconfcmd = config.get("access","userconfcmd") |
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[fe28bb2] | 85 | self.userconfurl = config.get("access","userconfurl") |
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[9b3627e] | 86 | self.federation_software = config.get("access", "federation_software") |
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| 87 | self.portal_software = config.get("access", "portal_software") |
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[ecca6eb] | 88 | self.ssh_privkey_file = config.get("access","ssh_privkey_file") |
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[3bddd24] | 89 | self.ssh_pubkey_file = config.get("access","ssh_pubkey_file") |
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[6280b1f] | 90 | self.ssh_port = config.get("access","ssh_port") or "22" |
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[5ae3857] | 91 | self.create_debug = config.getboolean("access", "create_debug") |
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[69692a9] | 92 | self.cleanup = not config.getboolean("access", "leave_tmpfiles") |
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[11860f52] | 93 | self.access_type = config.get("access", "type") |
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[9b3627e] | 94 | |
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| 95 | self.federation_software = software_list(self.federation_software) |
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| 96 | self.portal_software = software_list(self.portal_software) |
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[11860f52] | 97 | |
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| 98 | self.access_type = self.access_type.lower() |
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| 99 | if self.access_type == 'remote_emulab': |
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| 100 | self.start_segment = proxy_emulab_segment.start_segment |
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| 101 | self.stop_segment = proxy_emulab_segment.stop_segment |
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| 102 | elif self.access_type == 'local_emulab': |
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| 103 | self.start_segment = local_emulab_segment.start_segment |
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| 104 | self.stop_segment = local_emulab_segment.stop_segment |
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| 105 | else: |
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| 106 | self.start_segment = None |
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| 107 | self.stop_segment = None |
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[866c983] | 108 | |
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| 109 | self.attrs = { } |
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| 110 | self.access = { } |
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| 111 | self.restricted = [ ] |
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| 112 | self.projects = { } |
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| 113 | self.keys = { } |
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| 114 | self.types = { } |
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| 115 | self.allocation = { } |
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| 116 | self.state = { |
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| 117 | 'projects': self.projects, |
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| 118 | 'allocation' : self.allocation, |
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| 119 | 'keys' : self.keys, |
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| 120 | 'types': self.types |
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| 121 | } |
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| 122 | self.log = logging.getLogger("fedd.access") |
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| 123 | set_log_level(config, "access", self.log) |
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| 124 | self.state_lock = Lock() |
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[e02cd14] | 125 | # XXX: Configurable |
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[43197eb] | 126 | self.exports = set(('SMB', 'seer', 'tmcd', 'userconfig', |
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| 127 | 'project_export')) |
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[b7f6ccc] | 128 | self.imports = set(('SMB', 'seer', 'userconfig')) |
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[866c983] | 129 | |
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| 130 | if auth: self.auth = auth |
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| 131 | else: |
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| 132 | self.log.error(\ |
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| 133 | "[access]: No authorizer initialized, creating local one.") |
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| 134 | auth = authorizer() |
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| 135 | |
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| 136 | tb = config.get('access', 'testbed') |
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| 137 | if tb: self.testbed = [ t.strip() for t in tb.split(',') ] |
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| 138 | else: self.testbed = [ ] |
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| 139 | |
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| 140 | if config.has_option("access", "accessdb"): |
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| 141 | self.read_access(config.get("access", "accessdb")) |
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| 142 | |
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| 143 | self.state_filename = config.get("access", "access_state") |
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| 144 | self.read_state() |
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| 145 | |
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| 146 | # Keep cert_file and cert_pwd coming from the same place |
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| 147 | self.cert_file = config.get("access", "cert_file") |
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| 148 | if self.cert_file: |
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| 149 | self.sert_pwd = config.get("access", "cert_pw") |
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| 150 | else: |
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| 151 | self.cert_file = config.get("globals", "cert_file") |
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| 152 | self.sert_pwd = config.get("globals", "cert_pw") |
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| 153 | |
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| 154 | self.trusted_certs = config.get("access", "trusted_certs") or \ |
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| 155 | config.get("globals", "trusted_certs") |
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| 156 | |
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| 157 | self.soap_services = {\ |
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| 158 | 'RequestAccess': soap_handler("RequestAccess", self.RequestAccess), |
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| 159 | 'ReleaseAccess': soap_handler("ReleaseAccess", self.ReleaseAccess), |
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[cc8d8e9] | 160 | 'StartSegment': soap_handler("StartSegment", self.StartSegment), |
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[5ae3857] | 161 | 'TerminateSegment': soap_handler("TerminateSegment", self.TerminateSegment), |
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[866c983] | 162 | } |
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| 163 | self.xmlrpc_services = {\ |
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| 164 | 'RequestAccess': xmlrpc_handler('RequestAccess', |
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| 165 | self.RequestAccess), |
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| 166 | 'ReleaseAccess': xmlrpc_handler('ReleaseAccess', |
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| 167 | self.ReleaseAccess), |
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[5ae3857] | 168 | 'StartSegment': xmlrpc_handler("StartSegment", self.StartSegment), |
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| 169 | 'TerminateSegment': xmlrpc_handler('TerminateSegment', |
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| 170 | self.TerminateSegment), |
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[866c983] | 171 | } |
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| 172 | |
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[2761484] | 173 | self.call_SetValue = service_caller('SetValue') |
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| 174 | self.call_GetValue = service_caller('GetValue') |
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[866c983] | 175 | |
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| 176 | if not config.has_option("allocate", "uri"): |
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| 177 | self.allocate_project = \ |
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| 178 | allocate_project_local(config, auth) |
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| 179 | else: |
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| 180 | self.allocate_project = \ |
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| 181 | allocate_project_remote(config, auth) |
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| 182 | |
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| 183 | # If the project allocator exports services, put them in this object's |
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| 184 | # maps so that classes that instantiate this can call the services. |
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| 185 | self.soap_services.update(self.allocate_project.soap_services) |
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| 186 | self.xmlrpc_services.update(self.allocate_project.xmlrpc_services) |
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[f8582c9] | 187 | |
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[72ed6e4] | 188 | |
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| 189 | def read_access(self, config): |
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[866c983] | 190 | """ |
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| 191 | Read a configuration file and set internal parameters. |
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| 192 | |
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| 193 | The format is more complex than one might hope. The basic format is |
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| 194 | attribute value pairs separated by colons(:) on a signle line. The |
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| 195 | attributes in bool_attrs, emulab_attrs and id_attrs can all be set |
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| 196 | directly using the name: value syntax. E.g. |
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| 197 | boss: hostname |
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| 198 | sets self.boss to hostname. In addition, there are access lines of the |
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| 199 | form (tb, proj, user) -> (aproj, auser) that map the first tuple of |
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| 200 | names to the second for access purposes. Names in the key (left side) |
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| 201 | can include "<NONE> or <ANY>" to act as wildcards or to require the |
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| 202 | fields to be empty. Similarly aproj or auser can be <SAME> or |
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| 203 | <DYNAMIC> indicating that either the matching key is to be used or a |
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| 204 | dynamic user or project will be created. These names can also be |
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| 205 | federated IDs (fedid's) if prefixed with fedid:. Finally, the aproj |
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| 206 | can be followed with a colon-separated list of node types to which that |
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| 207 | project has access (or will have access if dynamic). |
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| 208 | Testbed attributes outside the forms above can be given using the |
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| 209 | format attribute: name value: value. The name is a single word and the |
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| 210 | value continues to the end of the line. Empty lines and lines startin |
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| 211 | with a # are ignored. |
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| 212 | |
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| 213 | Parsing errors result in a self.parse_error exception being raised. |
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| 214 | """ |
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| 215 | lineno=0 |
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| 216 | name_expr = "["+string.ascii_letters + string.digits + "\.\-_]+" |
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| 217 | fedid_expr = "fedid:[" + string.hexdigits + "]+" |
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| 218 | key_name = "(<ANY>|<NONE>|"+fedid_expr + "|"+ name_expr + ")" |
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| 219 | access_proj = "(<DYNAMIC>(?::" + name_expr +")*|"+ \ |
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| 220 | "<SAME>" + "(?::" + name_expr + ")*|" + \ |
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| 221 | fedid_expr + "(?::" + name_expr + ")*|" + \ |
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| 222 | name_expr + "(?::" + name_expr + ")*)" |
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| 223 | access_name = "(<DYNAMIC>|<SAME>|" + fedid_expr + "|"+ name_expr + ")" |
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| 224 | |
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| 225 | restricted_re = re.compile("restricted:\s*(.*)", re.IGNORECASE) |
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| 226 | attr_re = re.compile('attribute:\s*([\._\-a-z0-9]+)\s+value:\s*(.*)', |
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| 227 | re.IGNORECASE) |
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| 228 | access_re = re.compile('\('+key_name+'\s*,\s*'+key_name+'\s*,\s*'+ |
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| 229 | key_name+'\s*\)\s*->\s*\('+access_proj + '\s*,\s*' + |
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| 230 | access_name + '\s*,\s*' + access_name + '\s*\)', re.IGNORECASE) |
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| 231 | |
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| 232 | def parse_name(n): |
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| 233 | if n.startswith('fedid:'): return fedid(hexstr=n[len('fedid:'):]) |
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| 234 | else: return n |
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| 235 | |
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| 236 | def auth_name(n): |
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| 237 | if isinstance(n, basestring): |
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| 238 | if n =='<any>' or n =='<none>': return None |
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| 239 | else: return unicode(n) |
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| 240 | else: |
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| 241 | return n |
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| 242 | |
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| 243 | f = open(config, "r"); |
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| 244 | for line in f: |
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| 245 | lineno += 1 |
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| 246 | line = line.strip(); |
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| 247 | if len(line) == 0 or line.startswith('#'): |
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| 248 | continue |
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| 249 | |
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| 250 | # Extended (attribute: x value: y) attribute line |
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| 251 | m = attr_re.match(line) |
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| 252 | if m != None: |
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| 253 | attr, val = m.group(1,2) |
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| 254 | self.attrs[attr] = val |
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| 255 | continue |
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| 256 | |
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| 257 | # Restricted entry |
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| 258 | m = restricted_re.match(line) |
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| 259 | if m != None: |
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| 260 | val = m.group(1) |
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| 261 | self.restricted.append(val) |
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| 262 | continue |
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| 263 | |
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| 264 | # Access line (t, p, u) -> (ap, cu, su) line |
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| 265 | m = access_re.match(line) |
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| 266 | if m != None: |
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| 267 | access_key = tuple([ parse_name(x) for x in m.group(1,2,3)]) |
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| 268 | auth_key = tuple([ auth_name(x) for x in access_key]) |
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| 269 | aps = m.group(4).split(":"); |
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| 270 | if aps[0] == 'fedid:': |
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| 271 | del aps[0] |
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| 272 | aps[0] = fedid(hexstr=aps[0]) |
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| 273 | |
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| 274 | cu = parse_name(m.group(5)) |
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| 275 | su = parse_name(m.group(6)) |
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| 276 | |
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| 277 | access_val = (access_project(aps[0], aps[1:]), |
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| 278 | parse_name(m.group(5)), parse_name(m.group(6))) |
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| 279 | |
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| 280 | self.access[access_key] = access_val |
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| 281 | self.auth.set_attribute(auth_key, "access") |
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| 282 | continue |
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| 283 | |
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| 284 | # Nothing matched to here: unknown line - raise exception |
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| 285 | f.close() |
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| 286 | raise self.parse_error("Unknown statement at line %d of %s" % \ |
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| 287 | (lineno, config)) |
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| 288 | f.close() |
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[72ed6e4] | 289 | |
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[19cc408] | 290 | def get_users(self, obj): |
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[866c983] | 291 | """ |
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| 292 | Return a list of the IDs of the users in dict |
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| 293 | """ |
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| 294 | if obj.has_key('user'): |
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| 295 | return [ unpack_id(u['userID']) \ |
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| 296 | for u in obj['user'] if u.has_key('userID') ] |
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| 297 | else: |
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| 298 | return None |
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[19cc408] | 299 | |
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[d81971a] | 300 | def write_state(self): |
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[866c983] | 301 | if self.state_filename: |
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| 302 | try: |
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| 303 | f = open(self.state_filename, 'w') |
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| 304 | pickle.dump(self.state, f) |
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| 305 | except IOError, e: |
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| 306 | self.log.error("Can't write file %s: %s" % \ |
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| 307 | (self.state_filename, e)) |
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| 308 | except pickle.PicklingError, e: |
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| 309 | self.log.error("Pickling problem: %s" % e) |
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| 310 | except TypeError, e: |
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| 311 | self.log.error("Pickling problem (TypeError): %s" % e) |
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[d81971a] | 312 | |
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| 313 | |
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| 314 | def read_state(self): |
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[866c983] | 315 | """ |
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| 316 | Read a new copy of access state. Old state is overwritten. |
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| 317 | |
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| 318 | State format is a simple pickling of the state dictionary. |
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| 319 | """ |
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| 320 | if self.state_filename: |
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| 321 | try: |
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| 322 | f = open(self.state_filename, "r") |
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| 323 | self.state = pickle.load(f) |
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| 324 | |
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| 325 | self.allocation = self.state['allocation'] |
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| 326 | self.projects = self.state['projects'] |
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| 327 | self.keys = self.state['keys'] |
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| 328 | self.types = self.state['types'] |
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| 329 | |
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| 330 | self.log.debug("[read_state]: Read state from %s" % \ |
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| 331 | self.state_filename) |
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| 332 | except IOError, e: |
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| 333 | self.log.warning(("[read_state]: No saved state: " +\ |
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| 334 | "Can't open %s: %s") % (self.state_filename, e)) |
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| 335 | except EOFError, e: |
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| 336 | self.log.warning(("[read_state]: " +\ |
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| 337 | "Empty or damaged state file: %s:") % \ |
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| 338 | self.state_filename) |
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| 339 | except pickle.UnpicklingError, e: |
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| 340 | self.log.warning(("[read_state]: No saved state: " + \ |
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| 341 | "Unpickling failed: %s") % e) |
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| 342 | |
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| 343 | # Add the ownership attributes to the authorizer. Note that the |
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| 344 | # indices of the allocation dict are strings, but the attributes are |
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| 345 | # fedids, so there is a conversion. |
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| 346 | for k in self.allocation.keys(): |
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| 347 | for o in self.allocation[k].get('owners', []): |
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| 348 | self.auth.set_attribute(o, fedid(hexstr=k)) |
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[eeb0088] | 349 | if self.allocation[k].has_key('userconfig'): |
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[fe28bb2] | 350 | sfid = self.allocation[k]['userconfig'] |
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[eeb0088] | 351 | fid = fedid(hexstr=sfid) |
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[fe28bb2] | 352 | self.auth.set_attribute(fid, "/%s" % sfid) |
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[3f6bc5f] | 353 | |
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| 354 | |
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[19cc408] | 355 | def permute_wildcards(self, a, p): |
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[866c983] | 356 | """Return a copy of a with various fields wildcarded. |
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[19cc408] | 357 | |
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[866c983] | 358 | The bits of p control the wildcards. A set bit is a wildcard |
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| 359 | replacement with the lowest bit being user then project then testbed. |
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| 360 | """ |
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| 361 | if p & 1: user = ["<any>"] |
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| 362 | else: user = a[2] |
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| 363 | if p & 2: proj = "<any>" |
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| 364 | else: proj = a[1] |
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| 365 | if p & 4: tb = "<any>" |
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| 366 | else: tb = a[0] |
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[19cc408] | 367 | |
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[866c983] | 368 | return (tb, proj, user) |
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[19cc408] | 369 | |
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| 370 | def find_access(self, search): |
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[866c983] | 371 | """ |
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| 372 | Search the access DB for a match on this tuple. Return the matching |
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| 373 | access tuple and the user that matched. |
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| 374 | |
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| 375 | NB, if the initial tuple fails to match we start inserting wildcards in |
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| 376 | an order determined by self.project_priority. Try the list of users in |
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| 377 | order (when wildcarded, there's only one user in the list). |
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| 378 | """ |
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| 379 | if self.project_priority: perm = (0, 1, 2, 3, 4, 5, 6, 7) |
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| 380 | else: perm = (0, 2, 1, 3, 4, 6, 5, 7) |
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| 381 | |
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| 382 | for p in perm: |
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| 383 | s = self.permute_wildcards(search, p) |
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| 384 | # s[2] is None on an anonymous, unwildcarded request |
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| 385 | if s[2] != None: |
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| 386 | for u in s[2]: |
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| 387 | if self.access.has_key((s[0], s[1], u)): |
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| 388 | return (self.access[(s[0], s[1], u)], u) |
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| 389 | else: |
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| 390 | if self.access.has_key(s): |
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| 391 | return (self.access[s], None) |
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| 392 | return None, None |
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[19cc408] | 393 | |
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| 394 | def lookup_access(self, req, fid): |
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[866c983] | 395 | """ |
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| 396 | Determine the allowed access for this request. Return the access and |
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| 397 | which fields are dynamic. |
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| 398 | |
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| 399 | The fedid is needed to construct the request |
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| 400 | """ |
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[3bddd24] | 401 | user_re = re.compile("user:\s(.*)") |
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| 402 | project_re = re.compile("project:\s(.*)") |
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| 403 | |
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[866c983] | 404 | # Search keys |
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| 405 | tb = None |
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| 406 | project = None |
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| 407 | user = None |
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| 408 | # Return values |
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| 409 | rp = access_project(None, ()) |
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| 410 | ru = None |
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| 411 | |
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[3bddd24] | 412 | user = [ user_re.findall(x)[0] for x in req.get('credential', []) \ |
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| 413 | if user_re.match(x)] |
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| 414 | project = [ project_re.findall(x)[0] \ |
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| 415 | for x in req.get('credential', []) \ |
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| 416 | if project_re.match(x)] |
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| 417 | |
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| 418 | if len(project) == 1: project = project[0] |
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| 419 | elif len(project) == 0: project = None |
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| 420 | else: |
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| 421 | raise service_error(service_error.req, |
---|
| 422 | "More than one project credential") |
---|
| 423 | |
---|
[866c983] | 424 | |
---|
| 425 | user_fedids = [ u for u in user if isinstance(u, fedid)] |
---|
| 426 | # Determine how the caller is representing itself. If its fedid shows |
---|
| 427 | # up as a project or a singleton user, let that stand. If neither the |
---|
| 428 | # usernames nor the project name is a fedid, the caller is a testbed. |
---|
| 429 | if project and isinstance(project, fedid): |
---|
| 430 | if project == fid: |
---|
| 431 | # The caller is the project (which is already in the tuple |
---|
| 432 | # passed in to the authorizer) |
---|
| 433 | owners = user_fedids |
---|
| 434 | owners.append(project) |
---|
| 435 | else: |
---|
| 436 | raise service_error(service_error.req, |
---|
| 437 | "Project asserting different fedid") |
---|
| 438 | else: |
---|
| 439 | if fid not in user_fedids: |
---|
| 440 | tb = fid |
---|
| 441 | owners = user_fedids |
---|
| 442 | owners.append(fid) |
---|
| 443 | else: |
---|
| 444 | if len(fedids) > 1: |
---|
| 445 | raise service_error(service_error.req, |
---|
| 446 | "User asserting different fedid") |
---|
| 447 | else: |
---|
| 448 | # Which is a singleton |
---|
| 449 | owners = user_fedids |
---|
| 450 | # Confirm authorization |
---|
| 451 | |
---|
| 452 | for u in user: |
---|
| 453 | self.log.debug("[lookup_access] Checking access for %s" % \ |
---|
| 454 | ((tb, project, u),)) |
---|
| 455 | if self.auth.check_attribute((tb, project, u), 'access'): |
---|
| 456 | self.log.debug("[lookup_access] Access granted") |
---|
| 457 | break |
---|
| 458 | else: |
---|
| 459 | self.log.debug("[lookup_access] Access Denied") |
---|
| 460 | else: |
---|
| 461 | raise service_error(service_error.access, "Access denied") |
---|
| 462 | |
---|
| 463 | # This maps a valid user to the Emulab projects and users to use |
---|
| 464 | found, user_match = self.find_access((tb, project, user)) |
---|
| 465 | |
---|
| 466 | if found == None: |
---|
| 467 | raise service_error(service_error.access, |
---|
| 468 | "Access denied - cannot map access") |
---|
| 469 | |
---|
| 470 | # resolve <dynamic> and <same> in found |
---|
| 471 | dyn_proj = False |
---|
| 472 | dyn_create_user = False |
---|
| 473 | dyn_service_user = False |
---|
| 474 | |
---|
| 475 | if found[0].name == "<same>": |
---|
| 476 | if project != None: |
---|
| 477 | rp.name = project |
---|
| 478 | else : |
---|
| 479 | raise service_error(\ |
---|
| 480 | service_error.server_config, |
---|
| 481 | "Project matched <same> when no project given") |
---|
| 482 | elif found[0].name == "<dynamic>": |
---|
| 483 | rp.name = None |
---|
| 484 | dyn_proj = True |
---|
| 485 | else: |
---|
| 486 | rp.name = found[0].name |
---|
| 487 | rp.node_types = found[0].node_types; |
---|
| 488 | |
---|
| 489 | if found[1] == "<same>": |
---|
| 490 | if user_match == "<any>": |
---|
| 491 | if user != None: rcu = user[0] |
---|
| 492 | else: raise service_error(\ |
---|
| 493 | service_error.server_config, |
---|
| 494 | "Matched <same> on anonymous request") |
---|
| 495 | else: |
---|
| 496 | rcu = user_match |
---|
| 497 | elif found[1] == "<dynamic>": |
---|
| 498 | rcu = None |
---|
| 499 | dyn_create_user = True |
---|
| 500 | else: |
---|
| 501 | rcu = found[1] |
---|
| 502 | |
---|
| 503 | if found[2] == "<same>": |
---|
| 504 | if user_match == "<any>": |
---|
| 505 | if user != None: rsu = user[0] |
---|
| 506 | else: raise service_error(\ |
---|
| 507 | service_error.server_config, |
---|
| 508 | "Matched <same> on anonymous request") |
---|
| 509 | else: |
---|
| 510 | rsu = user_match |
---|
| 511 | elif found[2] == "<dynamic>": |
---|
| 512 | rsu = None |
---|
| 513 | dyn_service_user = True |
---|
| 514 | else: |
---|
| 515 | rsu = found[2] |
---|
| 516 | |
---|
| 517 | return (rp, rcu, rsu), (dyn_create_user, dyn_service_user, dyn_proj),\ |
---|
| 518 | owners |
---|
[19cc408] | 519 | |
---|
[eeb0088] | 520 | def get_handler(self, path, fid): |
---|
| 521 | self.log.info("Get handler %s %s" % (path, fid)) |
---|
| 522 | if self.auth.check_attribute(fid, path) and self.userconfdir: |
---|
| 523 | return ("%s/%s" % (self.userconfdir, path), "application/binary") |
---|
| 524 | else: |
---|
| 525 | return (None, None) |
---|
| 526 | |
---|
| 527 | def export_userconf(self, project): |
---|
| 528 | dev_null = None |
---|
| 529 | confid, confcert = generate_fedid("test", dir=self.userconfdir, |
---|
| 530 | log=self.log) |
---|
| 531 | conffilename = "%s/%s" % (self.userconfdir, str(confid)) |
---|
| 532 | cf = None |
---|
| 533 | try: |
---|
| 534 | cf = open(conffilename, "w") |
---|
| 535 | os.chmod(conffilename, stat.S_IRUSR | stat.S_IWUSR) |
---|
| 536 | except IOError, e: |
---|
| 537 | raise service_error(service_error.internal, |
---|
| 538 | "Cannot create user configuration data") |
---|
| 539 | |
---|
| 540 | try: |
---|
| 541 | dev_null = open("/dev/null", "a") |
---|
| 542 | except IOError, e: |
---|
| 543 | self.log.error("export_userconf: can't open /dev/null: %s" % e) |
---|
| 544 | |
---|
| 545 | cmd = "%s %s" % (self.userconfcmd, project) |
---|
| 546 | conf = subprocess.call(cmd.split(" "), |
---|
| 547 | stdout=cf, stderr=dev_null, close_fds=True) |
---|
| 548 | |
---|
[fe28bb2] | 549 | self.auth.set_attribute(confid, "/%s" % str(confid)) |
---|
[eeb0088] | 550 | |
---|
| 551 | return confid, confcert |
---|
| 552 | |
---|
[43197eb] | 553 | def export_SMB(self, id, state, project, user): |
---|
| 554 | return { |
---|
| 555 | 'id': id, |
---|
| 556 | 'name': 'SMB', |
---|
| 557 | 'visibility': 'export', |
---|
| 558 | 'server': 'http://fs:139', |
---|
| 559 | 'fedAttr': [ |
---|
| 560 | { 'attribute': 'SMBSHARE', 'value': 'USERS' }, |
---|
| 561 | { 'attribute': 'SMBUSER', 'value': user }, |
---|
| 562 | { 'attribute': 'SMBPROJ', 'value': project }, |
---|
| 563 | ] |
---|
| 564 | } |
---|
| 565 | |
---|
| 566 | def export_seer(self, id, state, project, user): |
---|
| 567 | return { |
---|
| 568 | 'id': id, |
---|
| 569 | 'name': 'seer', |
---|
| 570 | 'visibility': 'export', |
---|
| 571 | 'server': 'http://control:16606', |
---|
| 572 | } |
---|
| 573 | |
---|
| 574 | def export_tmcd(self, id, state, project, user): |
---|
| 575 | return { |
---|
| 576 | 'id': id, |
---|
| 577 | 'name': 'seer', |
---|
| 578 | 'visibility': 'export', |
---|
| 579 | 'server': 'http://boss:7777', |
---|
| 580 | } |
---|
| 581 | |
---|
| 582 | def export_userconfig(self, id, state, project, user): |
---|
| 583 | if self.userconfdir and self.userconfcmd \ |
---|
| 584 | and self.userconfurl: |
---|
| 585 | cid, cert = self.export_userconf(project) |
---|
| 586 | state['userconfig'] = unicode(cid) |
---|
| 587 | return { |
---|
| 588 | 'id': id, |
---|
| 589 | 'name': 'userconfig', |
---|
| 590 | 'visibility': 'export', |
---|
| 591 | 'server': "%s/%s" % (self.userconfurl, str(cid)), |
---|
| 592 | 'fedAttr': [ |
---|
| 593 | { 'attribute': 'cert', 'value': cert }, |
---|
| 594 | ] |
---|
| 595 | } |
---|
| 596 | else: |
---|
| 597 | return None |
---|
[eeb0088] | 598 | |
---|
[e02cd14] | 599 | def export_services(self, sreq, project, user): |
---|
| 600 | exp = [ ] |
---|
[eeb0088] | 601 | state = { } |
---|
| 602 | # XXX: Filthy shortcut here using http: so urlparse will give the right |
---|
[e02cd14] | 603 | # answers. |
---|
| 604 | for s in sreq: |
---|
| 605 | sname = s.get('name', '') |
---|
| 606 | svis = s.get('visibility', '') |
---|
| 607 | if svis == 'export': |
---|
| 608 | if sname in self.exports: |
---|
[43197eb] | 609 | id = s.get('id', 'no_id') |
---|
[e02cd14] | 610 | if sname == 'SMB': |
---|
[43197eb] | 611 | exp.append(self.export_SMB(id, state, project, user)) |
---|
[e02cd14] | 612 | elif sname == 'seer': |
---|
[43197eb] | 613 | exp.append(self.export_seer(id, state, project, user)) |
---|
[e02cd14] | 614 | elif sname == 'tmcd': |
---|
[43197eb] | 615 | exp.append(self.export_tmcd(id, state, project, user)) |
---|
[eeb0088] | 616 | elif sname == 'userconfig': |
---|
[43197eb] | 617 | exp.append(self.export_userconfig(id, state, |
---|
| 618 | project, user)) |
---|
| 619 | elif sname == 'project_export': |
---|
| 620 | exp.append(self.export_SMB(id, state, project, user)) |
---|
| 621 | exp.append(self.export_seer(id, state, project, user)) |
---|
| 622 | exp.append(self.export_userconfig(id, state, |
---|
| 623 | project, user)) |
---|
[eeb0088] | 624 | return (exp, state) |
---|
[e02cd14] | 625 | |
---|
| 626 | def build_response(self, alloc_id, ap, services): |
---|
[866c983] | 627 | """ |
---|
| 628 | Create the SOAP response. |
---|
| 629 | |
---|
| 630 | Build the dictionary description of the response and use |
---|
| 631 | fedd_utils.pack_soap to create the soap message. ap is the allocate |
---|
| 632 | project message returned from a remote project allocation (even if that |
---|
| 633 | allocation was done locally). |
---|
| 634 | """ |
---|
| 635 | # Because alloc_id is already a fedd_services_types.IDType_Holder, |
---|
| 636 | # there's no need to repack it |
---|
| 637 | msg = { |
---|
| 638 | 'allocID': alloc_id, |
---|
[4afcfc4] | 639 | 'fedAttr': [ |
---|
| 640 | { 'attribute': 'domain', 'value': self.domain } , |
---|
| 641 | { 'attribute': 'project', 'value': |
---|
| 642 | ap['project'].get('name', {}).get('localname', "???") }, |
---|
| 643 | ] |
---|
[866c983] | 644 | } |
---|
| 645 | if len(self.attrs) > 0: |
---|
[4afcfc4] | 646 | msg['fedAttr'].extend( |
---|
[866c983] | 647 | [ { 'attribute': x, 'value' : y } \ |
---|
[4afcfc4] | 648 | for x,y in self.attrs.iteritems()]) |
---|
[e02cd14] | 649 | |
---|
| 650 | if services: |
---|
| 651 | msg['service'] = services |
---|
[866c983] | 652 | return msg |
---|
[19cc408] | 653 | |
---|
| 654 | def RequestAccess(self, req, fid): |
---|
[866c983] | 655 | """ |
---|
| 656 | Handle the access request. Proxy if not for us. |
---|
| 657 | |
---|
| 658 | Parse out the fields and make the allocations or rejections if for us, |
---|
| 659 | otherwise, assuming we're willing to proxy, proxy the request out. |
---|
| 660 | """ |
---|
| 661 | |
---|
| 662 | def gateway_hardware(h): |
---|
| 663 | if h == 'GWTYPE': return self.attrs.get('connectorType', 'GWTYPE') |
---|
| 664 | else: return h |
---|
| 665 | |
---|
[43197eb] | 666 | def get_export_project(svcs): |
---|
| 667 | """ |
---|
| 668 | if the service requests includes one to export a project, return |
---|
| 669 | that project. |
---|
| 670 | """ |
---|
| 671 | rv = None |
---|
| 672 | for s in svcs: |
---|
| 673 | if s.get('name', '') == 'project_export' and \ |
---|
| 674 | s.get('visibility', '') == 'export': |
---|
| 675 | if not rv: |
---|
| 676 | for a in s.get('feddAttr', []): |
---|
| 677 | if a.get('attribute', '') == 'project' \ |
---|
| 678 | and 'value' in a: |
---|
| 679 | rv = a['value'] |
---|
| 680 | else: |
---|
| 681 | raise service_error(service_error, access, |
---|
| 682 | 'Requesting multiple project exports is ' + \ |
---|
| 683 | 'not supported'); |
---|
| 684 | return rv |
---|
| 685 | |
---|
[866c983] | 686 | # The dance to get into the request body |
---|
| 687 | if req.has_key('RequestAccessRequestBody'): |
---|
| 688 | req = req['RequestAccessRequestBody'] |
---|
| 689 | else: |
---|
| 690 | raise service_error(service_error.req, "No request!?") |
---|
| 691 | |
---|
| 692 | if req.has_key('destinationTestbed'): |
---|
| 693 | dt = unpack_id(req['destinationTestbed']) |
---|
| 694 | |
---|
| 695 | if dt == None or dt in self.testbed: |
---|
| 696 | # Request for this fedd |
---|
| 697 | found, dyn, owners = self.lookup_access(req, fid) |
---|
| 698 | restricted = None |
---|
| 699 | ap = None |
---|
| 700 | |
---|
[43197eb] | 701 | # if this includes a project export request and the exported |
---|
| 702 | # project is not the access project, access denied. |
---|
| 703 | if 'service' in req: |
---|
| 704 | ep = get_export_project(req['service']) |
---|
| 705 | if ep and ep != found[0].name: |
---|
[866c983] | 706 | raise service_error(service_error.access, |
---|
| 707 | "Cannot export %s" % ep) |
---|
| 708 | |
---|
[d8442da] | 709 | # XXX |
---|
[866c983] | 710 | # Check for access to restricted nodes |
---|
| 711 | if req.has_key('resources') and req['resources'].has_key('node'): |
---|
| 712 | resources = req['resources'] |
---|
| 713 | restricted = [ gateway_hardware(t) for n in resources['node'] \ |
---|
| 714 | if n.has_key('hardware') \ |
---|
| 715 | for t in n['hardware'] \ |
---|
| 716 | if gateway_hardware(t) \ |
---|
| 717 | in self.restricted ] |
---|
| 718 | inaccessible = [ t for t in restricted \ |
---|
| 719 | if t not in found[0].node_types] |
---|
| 720 | if len(inaccessible) > 0: |
---|
| 721 | raise service_error(service_error.access, |
---|
| 722 | "Access denied (nodetypes %s)" % \ |
---|
| 723 | str(', ').join(inaccessible)) |
---|
[d8442da] | 724 | # XXX |
---|
[3bddd24] | 725 | |
---|
| 726 | # These were passed around before, but now are hidden from users |
---|
| 727 | # and configurators alike, beyond a configuration file entry. |
---|
| 728 | create_ssh = [ self.ssh_pubkey_file ] |
---|
| 729 | service_ssh = [ self.ssh_pubkey_file ] |
---|
[866c983] | 730 | |
---|
| 731 | if len(create_ssh) > 0 and len(service_ssh) >0: |
---|
| 732 | if dyn[1]: |
---|
| 733 | # Compose the dynamic project request |
---|
| 734 | # (only dynamic, dynamic currently allowed) |
---|
| 735 | preq = { 'AllocateProjectRequestBody': \ |
---|
| 736 | { 'project' : {\ |
---|
| 737 | 'user': [ \ |
---|
| 738 | { \ |
---|
| 739 | 'access': [ { 'sshPubkey': s } \ |
---|
| 740 | for s in service_ssh ], |
---|
| 741 | 'role': "serviceAccess",\ |
---|
| 742 | }, \ |
---|
| 743 | { \ |
---|
| 744 | 'access': [ { 'sshPubkey': s } \ |
---|
| 745 | for s in create_ssh ], |
---|
| 746 | 'role': "experimentCreation",\ |
---|
| 747 | }, \ |
---|
| 748 | ], \ |
---|
| 749 | }\ |
---|
| 750 | }\ |
---|
| 751 | } |
---|
| 752 | if restricted != None and len(restricted) > 0: |
---|
| 753 | preq['AllocateProjectRequestBody']['resources'] = \ |
---|
| 754 | {'node': [ { 'hardware' : [ h ] } \ |
---|
| 755 | for h in restricted ] } |
---|
| 756 | ap = self.allocate_project.dynamic_project(preq) |
---|
| 757 | else: |
---|
| 758 | preq = {'StaticProjectRequestBody' : \ |
---|
| 759 | { 'project': \ |
---|
| 760 | { 'name' : { 'localname' : found[0].name },\ |
---|
| 761 | 'user' : [ \ |
---|
| 762 | {\ |
---|
| 763 | 'userID': { 'localname' : found[1] }, \ |
---|
| 764 | 'access': [ { 'sshPubkey': s } |
---|
| 765 | for s in create_ssh ], |
---|
| 766 | 'role': 'experimentCreation'\ |
---|
| 767 | },\ |
---|
| 768 | {\ |
---|
| 769 | 'userID': { 'localname' : found[2] }, \ |
---|
| 770 | 'access': [ { 'sshPubkey': s } |
---|
| 771 | for s in service_ssh ], |
---|
| 772 | 'role': 'serviceAccess'\ |
---|
| 773 | },\ |
---|
| 774 | ]}\ |
---|
| 775 | }\ |
---|
| 776 | } |
---|
| 777 | if restricted != None and len(restricted) > 0: |
---|
| 778 | preq['StaticProjectRequestBody']['resources'] = \ |
---|
| 779 | {'node': [ { 'hardware' : [ h ] } \ |
---|
| 780 | for h in restricted ] } |
---|
| 781 | ap = self.allocate_project.static_project(preq) |
---|
| 782 | else: |
---|
| 783 | raise service_error(service_error.req, |
---|
| 784 | "SSH access parameters required") |
---|
| 785 | # keep track of what's been added |
---|
| 786 | allocID, alloc_cert = generate_fedid(subj="alloc", log=self.log) |
---|
| 787 | aid = unicode(allocID) |
---|
| 788 | |
---|
| 789 | self.state_lock.acquire() |
---|
| 790 | self.allocation[aid] = { } |
---|
| 791 | try: |
---|
| 792 | pname = ap['project']['name']['localname'] |
---|
| 793 | except KeyError: |
---|
| 794 | pname = None |
---|
| 795 | |
---|
| 796 | if dyn[1]: |
---|
| 797 | if not pname: |
---|
| 798 | self.state_lock.release() |
---|
| 799 | raise service_error(service_error.internal, |
---|
| 800 | "Misformed allocation response?") |
---|
| 801 | if self.projects.has_key(pname): self.projects[pname] += 1 |
---|
| 802 | else: self.projects[pname] = 1 |
---|
| 803 | self.allocation[aid]['project'] = pname |
---|
[ecca6eb] | 804 | else: |
---|
| 805 | # sproject is a static project associated with this allocation. |
---|
| 806 | self.allocation[aid]['sproject'] = pname |
---|
[866c983] | 807 | |
---|
| 808 | if ap.has_key('resources'): |
---|
| 809 | if not pname: |
---|
| 810 | self.state_lock.release() |
---|
| 811 | raise service_error(service_error.internal, |
---|
| 812 | "Misformed allocation response?") |
---|
| 813 | self.allocation[aid]['types'] = set() |
---|
| 814 | nodes = ap['resources'].get('node', []) |
---|
| 815 | for n in nodes: |
---|
| 816 | for h in n.get('hardware', []): |
---|
| 817 | if self.types.has_key((pname, h)): |
---|
| 818 | self.types[(pname, h)] += 1 |
---|
| 819 | else: |
---|
| 820 | self.types[(pname, h)] = 1 |
---|
| 821 | self.allocation[aid]['types'].add((pname,h)) |
---|
| 822 | |
---|
| 823 | |
---|
| 824 | self.allocation[aid]['keys'] = [ ] |
---|
| 825 | |
---|
| 826 | try: |
---|
| 827 | for u in ap['project']['user']: |
---|
| 828 | uname = u['userID']['localname'] |
---|
[ecca6eb] | 829 | if u['role'] == 'experimentCreation': |
---|
| 830 | self.allocation[aid]['user'] = uname |
---|
[866c983] | 831 | for k in [ k['sshPubkey'] for k in u['access'] \ |
---|
| 832 | if k.has_key('sshPubkey') ]: |
---|
| 833 | kv = "%s:%s" % (uname, k) |
---|
| 834 | if self.keys.has_key(kv): self.keys[kv] += 1 |
---|
| 835 | else: self.keys[kv] = 1 |
---|
| 836 | self.allocation[aid]['keys'].append((uname, k)) |
---|
| 837 | except KeyError: |
---|
| 838 | self.state_lock.release() |
---|
| 839 | raise service_error(service_error.internal, |
---|
| 840 | "Misformed allocation response?") |
---|
| 841 | |
---|
| 842 | self.allocation[aid]['owners'] = owners |
---|
[eeb0088] | 843 | services, svc_state = self.export_services(req.get('service',[]), |
---|
| 844 | pname, uname) |
---|
| 845 | # Store services state in global state |
---|
| 846 | for k, v in svc_state.items(): |
---|
| 847 | self.allocation[aid][k] = v |
---|
[866c983] | 848 | self.write_state() |
---|
| 849 | self.state_lock.release() |
---|
| 850 | for o in owners: |
---|
| 851 | self.auth.set_attribute(o, allocID) |
---|
[6c57fe9] | 852 | try: |
---|
| 853 | f = open("%s/%s.pem" % (self.certdir, aid), "w") |
---|
| 854 | print >>f, alloc_cert |
---|
| 855 | f.close() |
---|
| 856 | except IOError, e: |
---|
| 857 | raise service_error(service_error.internal, |
---|
| 858 | "Can't open %s/%s : %s" % (self.certdir, aid, e)) |
---|
[e02cd14] | 859 | resp = self.build_response({ 'fedid': allocID } , ap, services) |
---|
[866c983] | 860 | return resp |
---|
| 861 | else: |
---|
| 862 | if self.allow_proxy: |
---|
| 863 | resp = self.proxy_RequestAccess.call_service(dt, req, |
---|
| 864 | self.cert_file, self.cert_pwd, |
---|
| 865 | self.trusted_certs) |
---|
| 866 | if resp.has_key('RequestAccessResponseBody'): |
---|
| 867 | return resp['RequestAccessResponseBody'] |
---|
| 868 | else: |
---|
| 869 | return None |
---|
| 870 | else: |
---|
| 871 | raise service_error(service_error.access, |
---|
| 872 | "Access proxying denied") |
---|
[d81971a] | 873 | |
---|
| 874 | def ReleaseAccess(self, req, fid): |
---|
[866c983] | 875 | # The dance to get into the request body |
---|
| 876 | if req.has_key('ReleaseAccessRequestBody'): |
---|
| 877 | req = req['ReleaseAccessRequestBody'] |
---|
| 878 | else: |
---|
| 879 | raise service_error(service_error.req, "No request!?") |
---|
| 880 | |
---|
| 881 | if req.has_key('destinationTestbed'): |
---|
| 882 | dt = unpack_id(req['destinationTestbed']) |
---|
| 883 | else: |
---|
| 884 | dt = None |
---|
| 885 | |
---|
| 886 | if dt == None or dt in self.testbed: |
---|
| 887 | # Local request |
---|
| 888 | try: |
---|
| 889 | if req['allocID'].has_key('localname'): |
---|
| 890 | auth_attr = aid = req['allocID']['localname'] |
---|
| 891 | elif req['allocID'].has_key('fedid'): |
---|
| 892 | aid = unicode(req['allocID']['fedid']) |
---|
| 893 | auth_attr = req['allocID']['fedid'] |
---|
| 894 | else: |
---|
| 895 | raise service_error(service_error.req, |
---|
| 896 | "Only localnames and fedids are understood") |
---|
| 897 | except KeyError: |
---|
| 898 | raise service_error(service_error.req, "Badly formed request") |
---|
| 899 | |
---|
| 900 | self.log.debug("[access] deallocation requested for %s", aid) |
---|
| 901 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 902 | self.log.debug("[access] deallocation denied for %s", aid) |
---|
| 903 | raise service_error(service_error.access, "Access Denied") |
---|
| 904 | |
---|
| 905 | # If we know this allocation, reduce the reference counts and |
---|
| 906 | # remove the local allocations. Otherwise report an error. If |
---|
| 907 | # there is an allocation to delete, del_users will be a dictonary |
---|
| 908 | # of sets where the key is the user that owns the keys in the set. |
---|
| 909 | # We use a set to avoid duplicates. del_project is just the name |
---|
| 910 | # of any dynamic project to delete. We're somewhat lazy about |
---|
| 911 | # deleting authorization attributes. Having access to something |
---|
| 912 | # that doesn't exist isn't harmful. |
---|
| 913 | del_users = { } |
---|
| 914 | del_project = None |
---|
| 915 | del_types = set() |
---|
| 916 | |
---|
| 917 | if self.allocation.has_key(aid): |
---|
| 918 | self.log.debug("Found allocation for %s" %aid) |
---|
| 919 | self.state_lock.acquire() |
---|
| 920 | for k in self.allocation[aid]['keys']: |
---|
| 921 | kk = "%s:%s" % k |
---|
| 922 | self.keys[kk] -= 1 |
---|
| 923 | if self.keys[kk] == 0: |
---|
| 924 | if not del_users.has_key(k[0]): |
---|
| 925 | del_users[k[0]] = set() |
---|
| 926 | del_users[k[0]].add(k[1]) |
---|
| 927 | del self.keys[kk] |
---|
| 928 | |
---|
| 929 | if self.allocation[aid].has_key('project'): |
---|
| 930 | pname = self.allocation[aid]['project'] |
---|
| 931 | self.projects[pname] -= 1 |
---|
| 932 | if self.projects[pname] == 0: |
---|
| 933 | del_project = pname |
---|
| 934 | del self.projects[pname] |
---|
| 935 | |
---|
| 936 | if self.allocation[aid].has_key('types'): |
---|
| 937 | for t in self.allocation[aid]['types']: |
---|
| 938 | self.types[t] -= 1 |
---|
| 939 | if self.types[t] == 0: |
---|
| 940 | if not del_project: del_project = t[0] |
---|
| 941 | del_types.add(t[1]) |
---|
| 942 | del self.types[t] |
---|
| 943 | |
---|
| 944 | del self.allocation[aid] |
---|
| 945 | self.write_state() |
---|
| 946 | self.state_lock.release() |
---|
| 947 | # If we actually have resources to deallocate, prepare the call. |
---|
| 948 | if del_project or del_users: |
---|
| 949 | msg = { 'project': { }} |
---|
| 950 | if del_project: |
---|
| 951 | msg['project']['name']= {'localname': del_project} |
---|
| 952 | users = [ ] |
---|
| 953 | for u in del_users.keys(): |
---|
| 954 | users.append({ 'userID': { 'localname': u },\ |
---|
| 955 | 'access' : \ |
---|
| 956 | [ {'sshPubkey' : s } for s in del_users[u]]\ |
---|
| 957 | }) |
---|
| 958 | if users: |
---|
| 959 | msg['project']['user'] = users |
---|
| 960 | if len(del_types) > 0: |
---|
| 961 | msg['resources'] = { 'node': \ |
---|
| 962 | [ {'hardware': [ h ] } for h in del_types ]\ |
---|
| 963 | } |
---|
| 964 | if self.allocate_project.release_project: |
---|
| 965 | msg = { 'ReleaseProjectRequestBody' : msg} |
---|
| 966 | self.allocate_project.release_project(msg) |
---|
[f07fa49] | 967 | # And remove the access cert |
---|
| 968 | cf = "%s/%s.pem" % (self.certdir, aid) |
---|
| 969 | self.log.debug("Removing %s" % cf) |
---|
| 970 | os.remove(cf) |
---|
[866c983] | 971 | return { 'allocID': req['allocID'] } |
---|
| 972 | else: |
---|
| 973 | raise service_error(service_error.req, "No such allocation") |
---|
| 974 | |
---|
| 975 | else: |
---|
| 976 | if self.allow_proxy: |
---|
| 977 | resp = self.proxy_ReleaseAccess.call_service(dt, req, |
---|
| 978 | self.cert_file, self.cert_pwd, |
---|
| 979 | self.trusted_certs) |
---|
| 980 | if resp.has_key('ReleaseAccessResponseBody'): |
---|
| 981 | return resp['ReleaseAccessResponseBody'] |
---|
| 982 | else: |
---|
| 983 | return None |
---|
| 984 | else: |
---|
| 985 | raise service_error(service_error.access, |
---|
| 986 | "Access proxying denied") |
---|
[d81971a] | 987 | |
---|
[f9ef40b] | 988 | def generate_portal_configs(self, topo, pubkey_base, secretkey_base, |
---|
[e02cd14] | 989 | tmpdir, master, lproj, leid, connInfo, services): |
---|
| 990 | |
---|
| 991 | def conninfo_to_dict(key, info): |
---|
| 992 | """ |
---|
| 993 | Make a cpoy of the connection information about key, and flatten it |
---|
| 994 | into a single dict by parsing out any feddAttrs. |
---|
| 995 | """ |
---|
| 996 | |
---|
| 997 | rv = None |
---|
| 998 | for i in info: |
---|
[617592b] | 999 | if key == i.get('portal', "") or \ |
---|
| 1000 | key in [e.get('element', "") \ |
---|
| 1001 | for e in i.get('member', [])]: |
---|
[e02cd14] | 1002 | rv = i.copy() |
---|
| 1003 | break |
---|
[617592b] | 1004 | |
---|
[e02cd14] | 1005 | else: |
---|
| 1006 | return rv |
---|
| 1007 | |
---|
| 1008 | if 'fedAttr' in rv: |
---|
| 1009 | for a in rv['fedAttr']: |
---|
| 1010 | attr = a.get('attribute', "") |
---|
| 1011 | val = a.get('value', "") |
---|
| 1012 | if attr and attr not in rv: |
---|
| 1013 | rv[attr] = val |
---|
| 1014 | del rv['fedAttr'] |
---|
| 1015 | return rv |
---|
| 1016 | |
---|
| 1017 | # XXX: un hardcode this |
---|
[b7f6ccc] | 1018 | def client_null(f, s): |
---|
| 1019 | print >>f, "Service: %s" % s['name'] |
---|
[e02cd14] | 1020 | |
---|
| 1021 | def client_smb(f, s): |
---|
[b7f6ccc] | 1022 | print >>f, "Service: %s" % s['name'] |
---|
[e02cd14] | 1023 | smbshare = None |
---|
| 1024 | smbuser = None |
---|
| 1025 | smbproj = None |
---|
| 1026 | for a in s.get('fedAttr', []): |
---|
| 1027 | if a.get('attribute', '') == 'SMBSHARE': |
---|
| 1028 | smbshare = a.get('value', None) |
---|
| 1029 | elif a.get('attribute', '') == 'SMBUSER': |
---|
| 1030 | smbuser = a.get('value', None) |
---|
| 1031 | elif a.get('attribute', '') == 'SMBPROJ': |
---|
| 1032 | smbproj = a.get('value', None) |
---|
| 1033 | |
---|
| 1034 | if all((smbshare, smbuser, smbproj)): |
---|
| 1035 | print >>f, "SMBshare: %s" % smbshare |
---|
| 1036 | print >>f, "ProjectUser: %s" % smbuser |
---|
| 1037 | print >>f, "ProjectName: %s" % smbproj |
---|
| 1038 | |
---|
| 1039 | client_service_out = { |
---|
| 1040 | 'SMB': client_smb, |
---|
| 1041 | 'tmcd': client_null, |
---|
| 1042 | 'seer': client_null, |
---|
| 1043 | 'userconfig': client_null, |
---|
[43197eb] | 1044 | 'project_export': client_null, |
---|
[e02cd14] | 1045 | } |
---|
[9b3627e] | 1046 | |
---|
| 1047 | def server_port(f, s): |
---|
| 1048 | p = urlparse(s.get('server', 'http://localhost')) |
---|
| 1049 | print >>f, 'port: remote:%s:%s:%s' % (p.port, p.hostname, p.port) |
---|
| 1050 | |
---|
| 1051 | def server_null(f,s): pass |
---|
| 1052 | |
---|
| 1053 | def server_seer(f, s): |
---|
[43197eb] | 1054 | print >>f, 'seer: True' |
---|
[9b3627e] | 1055 | |
---|
| 1056 | server_service_out = { |
---|
| 1057 | 'SMB': server_port, |
---|
| 1058 | 'tmcd': server_port, |
---|
| 1059 | 'userconfig': server_null, |
---|
[43197eb] | 1060 | 'project_export': server_null, |
---|
[9b3627e] | 1061 | 'seer': server_seer, |
---|
| 1062 | } |
---|
[e02cd14] | 1063 | # XXX: end un hardcode this |
---|
| 1064 | |
---|
[ecca6eb] | 1065 | |
---|
| 1066 | seer_out = False |
---|
[1da6a23] | 1067 | client_out = False |
---|
[e2a7a413] | 1068 | for e in [ e for e in topo.elements \ |
---|
[f9ef40b] | 1069 | if isinstance(e, topdl.Computer) and e.get_attribute('portal')]: |
---|
| 1070 | myname = e.name[0] |
---|
[ecca6eb] | 1071 | type = e.get_attribute('portal_type') |
---|
[4e9719b] | 1072 | testbed = e.get_attribute('testbed') |
---|
[f9ef40b] | 1073 | |
---|
[e02cd14] | 1074 | info = conninfo_to_dict(myname, connInfo) |
---|
| 1075 | |
---|
| 1076 | if not info: |
---|
| 1077 | raise service_error(service_error.req, |
---|
| 1078 | "No connectivity info for %s" % myname) |
---|
| 1079 | |
---|
| 1080 | peer = info.get('peer', "") |
---|
| 1081 | ldomain = self.domain; |
---|
[593e901] | 1082 | ssh_port = info.get('ssh_port', 22) |
---|
[e02cd14] | 1083 | |
---|
| 1084 | mexp = info.get('masterexperiment',"") |
---|
| 1085 | mproj, meid = mexp.split("/", 1) |
---|
| 1086 | mdomain = info.get('masterdomain',"") |
---|
| 1087 | muser = info.get('masteruser','root') |
---|
| 1088 | smbshare = info.get('smbshare', 'USERS') |
---|
| 1089 | |
---|
| 1090 | active = info.get('active', 'False') |
---|
| 1091 | |
---|
[0297248] | 1092 | cfn = "%s/%s.gw.conf" % (tmpdir, myname.lower()) |
---|
[1da6a23] | 1093 | tunnelconfig = self.attrs.has_key('TunnelCfg') |
---|
[f9ef40b] | 1094 | try: |
---|
| 1095 | f = open(cfn, "w") |
---|
[0297248] | 1096 | if active == 'True': |
---|
[d87778f] | 1097 | print >>f, "active: True" |
---|
[593e901] | 1098 | print >>f, "ssh_port: %s" % ssh_port |
---|
[0297248] | 1099 | if type in ('control', 'both'): |
---|
[e02cd14] | 1100 | for s in [s for s in services \ |
---|
| 1101 | if s.get('name', "") in self.imports]: |
---|
[9b3627e] | 1102 | server_service_out[s['name']](f, s) |
---|
[0297248] | 1103 | |
---|
| 1104 | if tunnelconfig: |
---|
| 1105 | print >>f, "tunnelip: %s" % tunnelconfig |
---|
[e02cd14] | 1106 | print >>f, "peer: %s" % peer.lower() |
---|
[0297248] | 1107 | print >>f, "ssh_pubkey: /proj/%s/exp/%s/tmp/%s" % \ |
---|
[f9ef40b] | 1108 | (lproj, leid, pubkey_base) |
---|
[0297248] | 1109 | print >>f, "ssh_privkey: /proj/%s/exp/%s/tmp/%s" % \ |
---|
[f9ef40b] | 1110 | (lproj, leid, secretkey_base) |
---|
| 1111 | f.close() |
---|
| 1112 | except IOError, e: |
---|
| 1113 | raise service_error(service_error.internal, |
---|
| 1114 | "Can't write protal config %s: %s" % (cfn, e)) |
---|
[ecca6eb] | 1115 | |
---|
[1da6a23] | 1116 | if not client_out and type in ('control', 'both'): |
---|
| 1117 | try: |
---|
| 1118 | f = open("%s/client.conf" % tmpdir, "w") |
---|
| 1119 | print >>f, "ControlGateway: %s.%s.%s%s" % \ |
---|
| 1120 | (myname.lower(), leid.lower(), lproj.lower(), |
---|
| 1121 | ldomain.lower()) |
---|
[e02cd14] | 1122 | for s in services: |
---|
[0ac1934] | 1123 | if s.get('name',"") in self.imports and \ |
---|
| 1124 | s.get('visibility','') == 'import': |
---|
[e02cd14] | 1125 | client_service_out[s['name']](f, s) |
---|
[4e9719b] | 1126 | # Seer uses this. |
---|
[6280b1f] | 1127 | print >>f, "ExperimentID: %s/%s" % (mproj, meid) |
---|
[4e9719b] | 1128 | # Better way... |
---|
| 1129 | if testbed == master: |
---|
| 1130 | print >>f, "SEERBase: True" |
---|
[1da6a23] | 1131 | f.close() |
---|
| 1132 | except IOError, e: |
---|
| 1133 | raise service_error(service_error.internal, |
---|
| 1134 | "Cannot write client.conf: %s" %s) |
---|
| 1135 | client_out = True |
---|
| 1136 | |
---|
[ecca6eb] | 1137 | |
---|
[617592b] | 1138 | def generate_ns2(self, topo, expfn, softdir, master, connInfo): |
---|
| 1139 | class dragon_commands: |
---|
| 1140 | """ |
---|
| 1141 | Functor to spit out approrpiate dragon commands for nodes listed in |
---|
| 1142 | the connectivity description. The constructor makes a dict mapping |
---|
| 1143 | dragon nodes to their parameters and the __call__ checks each |
---|
| 1144 | element in turn for membership. |
---|
| 1145 | """ |
---|
| 1146 | def __init__(self, map): |
---|
| 1147 | self.node_info = map |
---|
| 1148 | |
---|
| 1149 | def __call__(self, e): |
---|
| 1150 | s = "" |
---|
| 1151 | if isinstance(e, topdl.Computer): |
---|
| 1152 | if self.node_info.has_key(e.name[0]): |
---|
| 1153 | i = self.node_info[e.name[0]] |
---|
| 1154 | for ifname, vlan, type in i: |
---|
| 1155 | for i in e.interface: |
---|
| 1156 | if i.name == ifname: |
---|
| 1157 | addr = i.get_attribute('ip4_address') |
---|
| 1158 | subs = i.substrate[0] |
---|
| 1159 | break |
---|
| 1160 | else: |
---|
| 1161 | raise service_error(service_error.internal, |
---|
| 1162 | "No interface %s on element %s" % \ |
---|
| 1163 | (ifname, e.name[0])) |
---|
[1cf8e2c] | 1164 | # XXX: do netmask right |
---|
[617592b] | 1165 | if type =='link': |
---|
| 1166 | s = ("tb-allow-external $%s dragonportal " + \ |
---|
[1cf8e2c] | 1167 | "ip %s vlan %s netmask 255.255.255.0\n") % \ |
---|
[617592b] | 1168 | (e.name[0], addr, vlan) |
---|
| 1169 | elif type =='lan': |
---|
| 1170 | s = ("tb-allow-external $%s dragonportal " + \ |
---|
| 1171 | "ip %s vlan %s usurp %s\n") % \ |
---|
| 1172 | (e.name[0], addr, vlan, subs) |
---|
| 1173 | else: |
---|
| 1174 | raise service_error(service_error_internal, |
---|
| 1175 | "Unknown DRAGON type %s" % type) |
---|
| 1176 | return s |
---|
| 1177 | |
---|
| 1178 | class not_dragon: |
---|
| 1179 | def __init__(self, map): |
---|
| 1180 | self.nodes = set(map.keys()) |
---|
| 1181 | |
---|
| 1182 | def __call__(self, e): |
---|
| 1183 | return e.name[0] not in self.nodes |
---|
[69692a9] | 1184 | |
---|
[9b3627e] | 1185 | def add_kit(e, kit): |
---|
| 1186 | """ |
---|
| 1187 | Add a Software object created from the list of (install, location) |
---|
| 1188 | tuples passed as kit to the software attribute of an object e. We |
---|
| 1189 | do this enough to break out the code, but it's kind of a hack to |
---|
| 1190 | avoid changing the old tuple rep. |
---|
| 1191 | """ |
---|
| 1192 | |
---|
| 1193 | s = [ topdl.Software(install=i, location=l) for i, l in kit] |
---|
| 1194 | |
---|
| 1195 | if isinstance(e.software, list): e.software.extend(s) |
---|
| 1196 | else: e.software = s |
---|
| 1197 | |
---|
| 1198 | |
---|
[ecca6eb] | 1199 | t = topo.clone() |
---|
| 1200 | |
---|
[617592b] | 1201 | dragon_map = { } |
---|
| 1202 | for i in [ i for i in connInfo if i['type'] == 'transit']: |
---|
| 1203 | for a in i.get('fedAttr', []): |
---|
| 1204 | if a['attribute'] == 'vlan_id': |
---|
| 1205 | vlan = a['value'] |
---|
| 1206 | break |
---|
| 1207 | else: |
---|
| 1208 | raise service_error(service_error.internal, |
---|
| 1209 | "No vlan tag") |
---|
| 1210 | members = i.get('member', []) |
---|
| 1211 | if len(members) > 1: type = 'lan' |
---|
| 1212 | else: type = 'link' |
---|
| 1213 | |
---|
| 1214 | try: |
---|
| 1215 | for m in members: |
---|
| 1216 | if dragon_map.has_key(m['element']): |
---|
| 1217 | dragon_map[m['element']].append(( m['interface'], |
---|
| 1218 | vlan, type)) |
---|
| 1219 | else: |
---|
| 1220 | dragon_map[m['element']] = [( m['interface'], |
---|
| 1221 | vlan, type),] |
---|
| 1222 | except KeyError: |
---|
| 1223 | raise service_error(service_error.req, |
---|
| 1224 | "Missing connectivity info") |
---|
| 1225 | |
---|
[43649f1] | 1226 | # The startcmds for master and slave testbeds |
---|
| 1227 | if master: |
---|
| 1228 | gate_cmd = self.attrs.get('MasterConnectorStartCmd', '/bin/true') |
---|
| 1229 | node_cmd = self.attrs.get('MasterNodeStartCmd', 'bin/true') |
---|
| 1230 | else: |
---|
| 1231 | gate_cmd = self.attrs.get('SlaveConnectorStartCmd', '/bin/true') |
---|
| 1232 | node_cmd = self.attrs.get('SlaveNodeStartCmd', 'bin/true') |
---|
[0297248] | 1233 | |
---|
[35aa3ae] | 1234 | # Weed out the things we aren't going to instantiate: Segments, portal |
---|
| 1235 | # substrates, and portal interfaces. (The copy in the for loop allows |
---|
| 1236 | # us to delete from e.elements in side the for loop). While we're |
---|
| 1237 | # touching all the elements, we also adjust paths from the original |
---|
| 1238 | # testbed to local testbed paths and put the federation commands into |
---|
| 1239 | # the start commands |
---|
| 1240 | for e in [e for e in t.elements]: |
---|
| 1241 | if isinstance(e, topdl.Segment): |
---|
| 1242 | t.elements.remove(e) |
---|
[43649f1] | 1243 | if isinstance(e, topdl.Computer): |
---|
[9b3627e] | 1244 | add_kit(e, self.federation_software) |
---|
[35aa3ae] | 1245 | if e.get_attribute('portal') and gate_cmd: |
---|
[9b3627e] | 1246 | # Add local portal support software |
---|
| 1247 | add_kit(e, self.portal_software) |
---|
[43649f1] | 1248 | # Portals never have a user-specified start command |
---|
| 1249 | e.set_attribute('startup', gate_cmd) |
---|
[35aa3ae] | 1250 | elif node_cmd: |
---|
[43649f1] | 1251 | if e.get_attribute('startup'): |
---|
[d87778f] | 1252 | e.set_attribute('startup', "%s \\$USER '%s'" % \ |
---|
[43649f1] | 1253 | (node_cmd, e.get_attribute('startup'))) |
---|
| 1254 | else: |
---|
[d87778f] | 1255 | e.set_attribute('startup', node_cmd) |
---|
[0297248] | 1256 | |
---|
[617592b] | 1257 | dinf = [i[0] for i in dragon_map.get(e.name[0], []) ] |
---|
[35aa3ae] | 1258 | # Remove portal interfaces that do not connect to DRAGON |
---|
| 1259 | e.interface = [i for i in e.interface \ |
---|
[617592b] | 1260 | if not i.get_attribute('portal') or i.name in dinf ] |
---|
[9b3627e] | 1261 | # Fix software paths |
---|
| 1262 | for s in getattr(e, 'software', []): |
---|
| 1263 | s.location = re.sub("^.*/", softdir, s.location) |
---|
[35aa3ae] | 1264 | |
---|
| 1265 | t.substrates = [ s.clone() for s in t.substrates ] |
---|
| 1266 | t.incorporate_elements() |
---|
[ecca6eb] | 1267 | |
---|
| 1268 | # Customize the ns2 output for local portal commands and images |
---|
| 1269 | filters = [] |
---|
| 1270 | |
---|
[43649f1] | 1271 | # NB: these are extra commands issued for the node, not the startcmds |
---|
| 1272 | if master: cmd = self.attrs.get('MasterConnectorCmd', '') |
---|
| 1273 | else: cmd = self.attrs.get('SlaveConnectorCmd', '') |
---|
[ecca6eb] | 1274 | |
---|
[69692a9] | 1275 | if self.attrs.has_key('dragon'): |
---|
[617592b] | 1276 | add_filter = not_dragon(dragon_map) |
---|
| 1277 | filters.append(dragon_commands(dragon_map)) |
---|
[69692a9] | 1278 | else: |
---|
| 1279 | add_filter = None |
---|
| 1280 | |
---|
[43649f1] | 1281 | if cmd: |
---|
| 1282 | filters.append(topdl.generate_portal_command_filter(cmd, |
---|
| 1283 | add_filter=add_filter)) |
---|
[ecca6eb] | 1284 | |
---|
| 1285 | if self.attrs.has_key('connectorImage'): |
---|
| 1286 | filters.append(topdl.generate_portal_image_filter( |
---|
| 1287 | self.attrs.get('connectorImage'))) |
---|
| 1288 | |
---|
| 1289 | if self.attrs.has_key('connectorType'): |
---|
| 1290 | filters.append(topdl.generate_portal_hardware_filter( |
---|
| 1291 | self.attrs.get('connectorType'))) |
---|
| 1292 | |
---|
| 1293 | # Convert to ns and write it out |
---|
| 1294 | expfile = topdl.topology_to_ns2(t, filters) |
---|
| 1295 | try: |
---|
| 1296 | f = open(expfn, "w") |
---|
| 1297 | print >>f, expfile |
---|
| 1298 | f.close() |
---|
| 1299 | except IOError: |
---|
| 1300 | raise service_error(service_error.internal, |
---|
| 1301 | "Cannot write experiment file %s: %s" % (expfn,e)) |
---|
[f9ef40b] | 1302 | |
---|
[2761484] | 1303 | def export_store_info(self, cf, proj, ename, connInfo): |
---|
| 1304 | """ |
---|
| 1305 | For the export requests in the connection info, install the peer names |
---|
| 1306 | at the experiment controller via SetValue calls. |
---|
| 1307 | """ |
---|
| 1308 | |
---|
[cd06678] | 1309 | call_SetValue = service_caller('SetValue', log=self.log) |
---|
[2761484] | 1310 | for c in connInfo: |
---|
| 1311 | for p in [ p for p in c.get('parameter', []) \ |
---|
| 1312 | if p.get('type', '') == 'output']: |
---|
| 1313 | |
---|
[6280b1f] | 1314 | if p.get('name', '') == 'peer': |
---|
| 1315 | k = p.get('key', None) |
---|
| 1316 | surl = p.get('store', None) |
---|
| 1317 | if surl and k and k.index('/') != -1: |
---|
| 1318 | value = "%s.%s.%s%s" % \ |
---|
| 1319 | (k[k.index('/')+1:], ename, proj, self.domain) |
---|
| 1320 | req = { 'name': k, 'value': value } |
---|
[d8442da] | 1321 | self.log.debug("Setting %s to %s on %s" % \ |
---|
| 1322 | (k, value, surl)) |
---|
[cd06678] | 1323 | call_SetValue(surl, req, cf) |
---|
[6280b1f] | 1324 | else: |
---|
| 1325 | self.log.error("Bad export request: %s" % p) |
---|
| 1326 | elif p.get('name', '') == 'ssh_port': |
---|
| 1327 | k = p.get('key', None) |
---|
| 1328 | surl = p.get('store', None) |
---|
| 1329 | if surl and k: |
---|
| 1330 | req = { 'name': k, 'value': self.ssh_port } |
---|
[d8442da] | 1331 | self.log.debug("Setting %s to %s on %s" % \ |
---|
| 1332 | (k, self.ssh_port, surl)) |
---|
[cd06678] | 1333 | call_SetValue(surl, req, cf) |
---|
[6280b1f] | 1334 | else: |
---|
| 1335 | self.log.error("Bad export request: %s" % p) |
---|
| 1336 | else: |
---|
[2761484] | 1337 | self.log.error("Unknown export parameter: %s" % \ |
---|
| 1338 | p.get('name')) |
---|
| 1339 | continue |
---|
| 1340 | |
---|
| 1341 | def import_store_info(self, cf, connInfo): |
---|
| 1342 | """ |
---|
| 1343 | Pull any import parameters in connInfo in. We translate them either |
---|
| 1344 | into known member names or fedAddrs. |
---|
| 1345 | """ |
---|
| 1346 | |
---|
| 1347 | for c in connInfo: |
---|
| 1348 | for p in [ p for p in c.get('parameter', []) \ |
---|
| 1349 | if p.get('type', '') == 'input']: |
---|
| 1350 | name = p.get('name', None) |
---|
| 1351 | key = p.get('key', None) |
---|
| 1352 | store = p.get('store', None) |
---|
| 1353 | |
---|
| 1354 | if name and key and store : |
---|
| 1355 | req = { 'name': key, 'wait': True } |
---|
[d8442da] | 1356 | self.log.debug("Waiting for %s (%s) from %s" % \ |
---|
| 1357 | (name, key, store)) |
---|
| 1358 | call_GetValue = service_caller('GetValue') |
---|
| 1359 | r = call_GetValue(store, req, cf) |
---|
[2761484] | 1360 | r = r.get('GetValueResponseBody', None) |
---|
| 1361 | if r : |
---|
| 1362 | if r.get('name', '') == key: |
---|
| 1363 | v = r.get('value', None) |
---|
| 1364 | if v is not None: |
---|
| 1365 | if name == 'peer': |
---|
[d8442da] | 1366 | self.log.debug("Got peer %s" % v) |
---|
[2761484] | 1367 | c['peer'] = v |
---|
| 1368 | else: |
---|
[d8442da] | 1369 | self.log.debug("Got %s %s" % (name, v)) |
---|
[2761484] | 1370 | if c.has_key('fedAttr'): |
---|
| 1371 | c['fedAttr'].append({ |
---|
[8353ac6] | 1372 | 'attribute': name, 'value': v}) |
---|
[2761484] | 1373 | else: |
---|
| 1374 | c['fedAttr']= [{ |
---|
[8353ac6] | 1375 | 'attribute': name, 'value': v}] |
---|
[2761484] | 1376 | else: |
---|
| 1377 | raise service_error(service_error.internal, |
---|
| 1378 | 'None value exported for %s' % key) |
---|
| 1379 | else: |
---|
| 1380 | raise service_error(service_error.internal, |
---|
| 1381 | 'Different name returned for %s: %s' \ |
---|
| 1382 | % (key, r.get('name',''))) |
---|
| 1383 | else: |
---|
| 1384 | raise service_error(service_error.internal, |
---|
| 1385 | 'Badly formatted response: no GetValueResponseBody') |
---|
| 1386 | else: |
---|
| 1387 | raise service_error(service_error.internal, |
---|
| 1388 | 'Bad Services missing info for import %s' % c) |
---|
| 1389 | |
---|
[cc8d8e9] | 1390 | def StartSegment(self, req, fid): |
---|
[6c57fe9] | 1391 | |
---|
| 1392 | configs = set(('hosts', 'ssh_pubkey', 'ssh_secretkey')) |
---|
| 1393 | |
---|
[b770aa0] | 1394 | err = None # Any service_error generated after tmpdir is created |
---|
| 1395 | rv = None # Return value from segment creation |
---|
| 1396 | |
---|
[cc8d8e9] | 1397 | try: |
---|
| 1398 | req = req['StartSegmentRequestBody'] |
---|
| 1399 | except KeyError: |
---|
| 1400 | raise service_error(server_error.req, "Badly formed request") |
---|
[ecca6eb] | 1401 | |
---|
[e02cd14] | 1402 | connInfo = req.get('connection', []) |
---|
| 1403 | services = req.get('service', []) |
---|
[cc8d8e9] | 1404 | auth_attr = req['allocID']['fedid'] |
---|
[ecca6eb] | 1405 | aid = "%s" % auth_attr |
---|
[6c57fe9] | 1406 | attrs = req.get('fedAttr', []) |
---|
[ecca6eb] | 1407 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 1408 | raise service_error(service_error.access, "Access denied") |
---|
[cd06678] | 1409 | else: |
---|
| 1410 | # See if this is a replay of an earlier succeeded StartSegment - |
---|
| 1411 | # sometimes SSL kills 'em. If so, replay the response rather than |
---|
| 1412 | # redoing the allocation. |
---|
| 1413 | self.state_lock.acquire() |
---|
| 1414 | retval = self.allocation[aid].get('started', None) |
---|
| 1415 | self.state_lock.release() |
---|
| 1416 | if retval: |
---|
| 1417 | self.log.warning("Duplicate StartSegment for %s: " % aid + \ |
---|
| 1418 | "replaying response") |
---|
| 1419 | return retval |
---|
| 1420 | |
---|
| 1421 | # A new request. Do it. |
---|
[6c57fe9] | 1422 | |
---|
| 1423 | if req.has_key('segmentdescription') and \ |
---|
| 1424 | req['segmentdescription'].has_key('topdldescription'): |
---|
| 1425 | topo = \ |
---|
| 1426 | topdl.Topology(**req['segmentdescription']['topdldescription']) |
---|
| 1427 | else: |
---|
| 1428 | raise service_error(service_error.req, |
---|
| 1429 | "Request missing segmentdescription'") |
---|
[2761484] | 1430 | |
---|
[ecca6eb] | 1431 | master = req.get('master', False) |
---|
| 1432 | |
---|
[6c57fe9] | 1433 | certfile = "%s/%s.pem" % (self.certdir, auth_attr) |
---|
| 1434 | try: |
---|
| 1435 | tmpdir = tempfile.mkdtemp(prefix="access-") |
---|
[ecca6eb] | 1436 | softdir = "%s/software" % tmpdir |
---|
[c23684d] | 1437 | os.mkdir(softdir) |
---|
[6c57fe9] | 1438 | except IOError: |
---|
| 1439 | raise service_error(service_error.internal, "Cannot create tmp dir") |
---|
| 1440 | |
---|
[b770aa0] | 1441 | # Try block alllows us to clean up temporary files. |
---|
| 1442 | try: |
---|
| 1443 | sw = set() |
---|
| 1444 | for e in topo.elements: |
---|
| 1445 | for s in getattr(e, 'software', []): |
---|
| 1446 | sw.add(s.location) |
---|
| 1447 | for s in sw: |
---|
[e02cd14] | 1448 | self.log.debug("Retrieving %s" % s) |
---|
[1dcaff4] | 1449 | try: |
---|
| 1450 | get_url(s, certfile, softdir) |
---|
| 1451 | except: |
---|
| 1452 | t, v, st = sys.exc_info() |
---|
| 1453 | raise service_error(service_error.internal, |
---|
| 1454 | "Error retrieving %s: %s" % (s, v)) |
---|
[b770aa0] | 1455 | |
---|
[1cf8e2c] | 1456 | # Copy local federation and portal node software to the tempdir |
---|
| 1457 | for s in (self.federation_software, self.portal_software): |
---|
| 1458 | for l, f in s: |
---|
| 1459 | base = os.path.basename(f) |
---|
| 1460 | copy_file(f, "%s/%s" % (softdir, base)) |
---|
[9b3627e] | 1461 | |
---|
[b770aa0] | 1462 | for a in attrs: |
---|
| 1463 | if a['attribute'] in configs: |
---|
[1dcaff4] | 1464 | try: |
---|
[d8442da] | 1465 | self.log.debug("Retrieving %s from %s" % \ |
---|
| 1466 | (a['attribute'], a['value'])) |
---|
[1dcaff4] | 1467 | get_url(a['value'], certfile, tmpdir) |
---|
| 1468 | except: |
---|
| 1469 | t, v, st = sys.exc_info() |
---|
| 1470 | raise service_error(service_error.internal, |
---|
| 1471 | "Error retrieving %s: %s" % (s, v)) |
---|
[b770aa0] | 1472 | if a['attribute'] == 'ssh_pubkey': |
---|
| 1473 | pubkey_base = a['value'].rpartition('/')[2] |
---|
| 1474 | if a['attribute'] == 'ssh_secretkey': |
---|
| 1475 | secretkey_base = a['value'].rpartition('/')[2] |
---|
| 1476 | if a['attribute'] == 'experiment_name': |
---|
| 1477 | ename = a['value'] |
---|
| 1478 | |
---|
[fe28bb2] | 1479 | # If the userconf service was imported, collect the configuration |
---|
| 1480 | # data. |
---|
| 1481 | for s in services: |
---|
| 1482 | if s.get("name", "") == 'userconfig' \ |
---|
| 1483 | and s.get('visibility',"") == 'import': |
---|
[94a00cb] | 1484 | |
---|
| 1485 | # Collect ther server and certificate info. |
---|
[fe28bb2] | 1486 | u = s.get('server', None) |
---|
| 1487 | for a in s.get('fedAttr', []): |
---|
| 1488 | if a.get('attribute',"") == 'cert': |
---|
| 1489 | cert = a.get('value', None) |
---|
| 1490 | break |
---|
| 1491 | else: |
---|
| 1492 | cert = None |
---|
| 1493 | |
---|
[94a00cb] | 1494 | if cert: |
---|
| 1495 | # Make a temporary certificate file for get_url. The |
---|
| 1496 | # finally clause removes it whether something goes |
---|
| 1497 | # wrong (including an exception from get_url) or not. |
---|
| 1498 | try: |
---|
| 1499 | tfos, tn = tempfile.mkstemp(suffix=".pem") |
---|
| 1500 | tf = os.fdopen(tfos, 'w') |
---|
| 1501 | print >>tf, cert |
---|
| 1502 | tf.close() |
---|
[d8442da] | 1503 | self.log.debug("Getting userconf info: %s" % u) |
---|
[94a00cb] | 1504 | get_url(u, tn, tmpdir, "userconf") |
---|
[d8442da] | 1505 | self.log.debug("Got userconf info: %s" % u) |
---|
[94a00cb] | 1506 | except IOError, e: |
---|
| 1507 | raise service_error(service.error.internal, |
---|
| 1508 | "Cannot create temp file for " + |
---|
| 1509 | "userconfig certificates: %s e") |
---|
[1dcaff4] | 1510 | except: |
---|
| 1511 | t, v, st = sys.exc_info() |
---|
| 1512 | raise service_error(service_error.internal, |
---|
| 1513 | "Error retrieving %s: %s" % (s, v)) |
---|
[94a00cb] | 1514 | finally: |
---|
| 1515 | if tn: os.remove(tn) |
---|
| 1516 | else: |
---|
[fe28bb2] | 1517 | raise service_error(service_error.req, |
---|
| 1518 | "No certificate for retreiving userconfig") |
---|
| 1519 | break |
---|
| 1520 | |
---|
| 1521 | |
---|
| 1522 | |
---|
[b770aa0] | 1523 | proj = None |
---|
| 1524 | user = None |
---|
| 1525 | self.state_lock.acquire() |
---|
| 1526 | if self.allocation.has_key(aid): |
---|
| 1527 | proj = self.allocation[aid].get('project', None) |
---|
| 1528 | if not proj: |
---|
| 1529 | proj = self.allocation[aid].get('sproject', None) |
---|
| 1530 | user = self.allocation[aid].get('user', None) |
---|
| 1531 | self.allocation[aid]['experiment'] = ename |
---|
[f07fa49] | 1532 | self.allocation[aid]['log'] = [ ] |
---|
| 1533 | # Create a logger that logs to the experiment's state object as |
---|
| 1534 | # well as to the main log file. |
---|
| 1535 | alloc_log = logging.getLogger('fedd.access.%s' % ename) |
---|
| 1536 | h = logging.StreamHandler( |
---|
| 1537 | list_log.list_log(self.allocation[aid]['log'])) |
---|
| 1538 | # XXX: there should be a global one of these rather than |
---|
| 1539 | # repeating the code. |
---|
| 1540 | h.setFormatter(logging.Formatter( |
---|
| 1541 | "%(asctime)s %(name)s %(message)s", |
---|
| 1542 | '%d %b %y %H:%M:%S')) |
---|
| 1543 | alloc_log.addHandler(h) |
---|
[b770aa0] | 1544 | self.write_state() |
---|
| 1545 | self.state_lock.release() |
---|
| 1546 | |
---|
| 1547 | if not proj: |
---|
| 1548 | raise service_error(service_error.internal, |
---|
| 1549 | "Can't find project for %s" %aid) |
---|
| 1550 | |
---|
| 1551 | if not user: |
---|
| 1552 | raise service_error(service_error.internal, |
---|
| 1553 | "Can't find creation user for %s" %aid) |
---|
| 1554 | |
---|
[2761484] | 1555 | self.export_store_info(certfile, proj, ename, connInfo) |
---|
| 1556 | self.import_store_info(certfile, connInfo) |
---|
| 1557 | |
---|
[b770aa0] | 1558 | expfile = "%s/experiment.tcl" % tmpdir |
---|
| 1559 | |
---|
| 1560 | self.generate_portal_configs(topo, pubkey_base, |
---|
[e02cd14] | 1561 | secretkey_base, tmpdir, master, proj, ename, connInfo, |
---|
| 1562 | services) |
---|
[b770aa0] | 1563 | self.generate_ns2(topo, expfile, |
---|
[617592b] | 1564 | "/proj/%s/software/%s/" % (proj, ename), master, connInfo) |
---|
[f07fa49] | 1565 | |
---|
[b770aa0] | 1566 | starter = self.start_segment(keyfile=self.ssh_privkey_file, |
---|
[f07fa49] | 1567 | debug=self.create_debug, log=alloc_log) |
---|
[b770aa0] | 1568 | rv = starter(self, ename, proj, user, expfile, tmpdir) |
---|
[b4b19c7] | 1569 | # Copy the assigned names into the return topology |
---|
| 1570 | rvtopo = topo.clone() |
---|
| 1571 | for e in [ e for e in rvtopo.elements \ |
---|
| 1572 | if isinstance(e, topdl.Computer)]: |
---|
| 1573 | for n in e.name: |
---|
| 1574 | if n in starter.node: |
---|
[935e46f] | 1575 | e.set_attribute('hostname', "%s%s" % \ |
---|
| 1576 | (starter.node[n], self.domain)) |
---|
[b770aa0] | 1577 | except service_error, e: |
---|
| 1578 | err = e |
---|
[e02cd14] | 1579 | except e: |
---|
| 1580 | err = service_error(service_error.internal, str(e)) |
---|
[b770aa0] | 1581 | |
---|
[574055e] | 1582 | # Walk up tmpdir, deleting as we go |
---|
[69692a9] | 1583 | if self.cleanup: |
---|
| 1584 | self.log.debug("[StartSegment]: removing %s" % tmpdir) |
---|
| 1585 | for path, dirs, files in os.walk(tmpdir, topdown=False): |
---|
| 1586 | for f in files: |
---|
| 1587 | os.remove(os.path.join(path, f)) |
---|
| 1588 | for d in dirs: |
---|
| 1589 | os.rmdir(os.path.join(path, d)) |
---|
| 1590 | os.rmdir(tmpdir) |
---|
| 1591 | else: |
---|
| 1592 | self.log.debug("[StartSegment]: not removing %s" % tmpdir) |
---|
[574055e] | 1593 | |
---|
[fd556d1] | 1594 | if rv: |
---|
[f07fa49] | 1595 | # Grab the log (this is some anal locking, but better safe than |
---|
| 1596 | # sorry) |
---|
| 1597 | self.state_lock.acquire() |
---|
| 1598 | logv = "".join(self.allocation[aid]['log']) |
---|
[cd06678] | 1599 | # It's possible that the StartSegment call gets retried (!). |
---|
| 1600 | # if the 'started' key is in the allocation, we'll return it rather |
---|
| 1601 | # than redo the setup. |
---|
| 1602 | self.allocation[aid]['started'] = { |
---|
| 1603 | 'allocID': req['allocID'], |
---|
| 1604 | 'allocationLog': logv, |
---|
| 1605 | } |
---|
[b4b19c7] | 1606 | retval = copy.copy(self.allocation[aid]['started']) |
---|
[1627c3d] | 1607 | self.write_state() |
---|
[f07fa49] | 1608 | self.state_lock.release() |
---|
[b4b19c7] | 1609 | retval['segmentdescription'] = \ |
---|
| 1610 | { 'topdldescription': rvtopo.to_dict() } |
---|
[cd06678] | 1611 | return retval |
---|
[b770aa0] | 1612 | elif err: |
---|
| 1613 | raise service_error(service_error.federant, |
---|
| 1614 | "Swapin failed: %s" % err) |
---|
[fd556d1] | 1615 | else: |
---|
| 1616 | raise service_error(service_error.federant, "Swapin failed") |
---|
[5ae3857] | 1617 | |
---|
| 1618 | def TerminateSegment(self, req, fid): |
---|
| 1619 | try: |
---|
| 1620 | req = req['TerminateSegmentRequestBody'] |
---|
| 1621 | except KeyError: |
---|
| 1622 | raise service_error(server_error.req, "Badly formed request") |
---|
| 1623 | |
---|
| 1624 | auth_attr = req['allocID']['fedid'] |
---|
| 1625 | aid = "%s" % auth_attr |
---|
| 1626 | attrs = req.get('fedAttr', []) |
---|
| 1627 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 1628 | raise service_error(service_error.access, "Access denied") |
---|
| 1629 | |
---|
| 1630 | self.state_lock.acquire() |
---|
| 1631 | if self.allocation.has_key(aid): |
---|
| 1632 | proj = self.allocation[aid].get('project', None) |
---|
| 1633 | if not proj: |
---|
| 1634 | proj = self.allocation[aid].get('sproject', None) |
---|
| 1635 | user = self.allocation[aid].get('user', None) |
---|
| 1636 | ename = self.allocation[aid].get('experiment', None) |
---|
[1d913e13] | 1637 | else: |
---|
| 1638 | proj = None |
---|
| 1639 | user = None |
---|
| 1640 | ename = None |
---|
[5ae3857] | 1641 | self.state_lock.release() |
---|
| 1642 | |
---|
| 1643 | if not proj: |
---|
| 1644 | raise service_error(service_error.internal, |
---|
| 1645 | "Can't find project for %s" % aid) |
---|
| 1646 | |
---|
| 1647 | if not user: |
---|
| 1648 | raise service_error(service_error.internal, |
---|
| 1649 | "Can't find creation user for %s" % aid) |
---|
| 1650 | if not ename: |
---|
| 1651 | raise service_error(service_error.internal, |
---|
| 1652 | "Can't find experiment name for %s" % aid) |
---|
[fd556d1] | 1653 | stopper = self.stop_segment(keyfile=self.ssh_privkey_file, |
---|
| 1654 | debug=self.create_debug) |
---|
[5ae3857] | 1655 | stopper(self, user, proj, ename) |
---|
| 1656 | return { 'allocID': req['allocID'] } |
---|