[19cc408] | 1 | #!/usr/local/bin/python |
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| 2 | |
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| 3 | import os,sys |
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| 4 | import re |
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| 5 | import string |
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| 6 | import copy |
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[d81971a] | 7 | import pickle |
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[c971895] | 8 | import logging |
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[19cc408] | 9 | |
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[f8582c9] | 10 | from threading import * |
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| 11 | |
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[ec4fb42] | 12 | from util import * |
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| 13 | from allocate_project import allocate_project_local, allocate_project_remote |
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| 14 | from access_project import access_project |
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[51cc9df] | 15 | from fedid import fedid, generate_fedid |
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[3f6bc5f] | 16 | from authorizer import authorizer |
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[6a0c9f4] | 17 | from service_error import service_error |
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[9460b1e] | 18 | from remote_service import xmlrpc_handler, soap_handler, service_caller |
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[11a08b0] | 19 | |
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[6c57fe9] | 20 | import httplib |
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| 21 | import tempfile |
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| 22 | from urlparse import urlparse |
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| 23 | |
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[11860f52] | 24 | import topdl |
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| 25 | import list_log |
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| 26 | import proxy_emulab_segment |
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| 27 | import local_emulab_segment |
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| 28 | |
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[0ea11af] | 29 | |
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| 30 | # Make log messages disappear if noone configures a fedd logger |
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[11a08b0] | 31 | class nullHandler(logging.Handler): |
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| 32 | def emit(self, record): pass |
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| 33 | |
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| 34 | fl = logging.getLogger("fedd.access") |
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| 35 | fl.addHandler(nullHandler()) |
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[19cc408] | 36 | |
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[ec4fb42] | 37 | class access: |
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[19cc408] | 38 | """ |
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| 39 | The implementation of access control based on mapping users to projects. |
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| 40 | |
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| 41 | Users can be mapped to existing projects or have projects created |
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| 42 | dynamically. This implements both direct requests and proxies. |
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| 43 | """ |
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| 44 | |
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[4ed10ae] | 45 | class parse_error(RuntimeError): pass |
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| 46 | |
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[72ed6e4] | 47 | |
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[f069052] | 48 | proxy_RequestAccess= service_caller('RequestAccess') |
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| 49 | proxy_ReleaseAccess= service_caller('ReleaseAccess') |
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[c35207d] | 50 | |
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[3f6bc5f] | 51 | def __init__(self, config=None, auth=None): |
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[866c983] | 52 | """ |
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| 53 | Initializer. Pulls parameters out of the ConfigParser's access section. |
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| 54 | """ |
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| 55 | |
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| 56 | # Make sure that the configuration is in place |
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| 57 | if not config: |
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| 58 | raise RunTimeError("No config to fedd.access") |
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| 59 | |
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| 60 | self.project_priority = config.getboolean("access", "project_priority") |
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| 61 | self.allow_proxy = config.getboolean("access", "allow_proxy") |
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| 62 | |
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| 63 | self.boss = config.get("access", "boss") |
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| 64 | self.ops = config.get("access", "ops") |
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| 65 | self.domain = config.get("access", "domain") |
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| 66 | self.fileserver = config.get("access", "fileserver") |
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| 67 | self.eventserver = config.get("access", "eventserver") |
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[6c57fe9] | 68 | self.certdir = config.get("access","certdir") |
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[ecca6eb] | 69 | self.ssh_privkey_file = config.get("access","ssh_privkey_file") |
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[3bddd24] | 70 | self.ssh_pubkey_file = config.get("access","ssh_pubkey_file") |
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[5ae3857] | 71 | self.create_debug = config.getboolean("access", "create_debug") |
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[69692a9] | 72 | self.cleanup = not config.getboolean("access", "leave_tmpfiles") |
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[11860f52] | 73 | self.access_type = config.get("access", "type") |
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| 74 | |
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| 75 | self.access_type = self.access_type.lower() |
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| 76 | if self.access_type == 'remote_emulab': |
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| 77 | self.start_segment = proxy_emulab_segment.start_segment |
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| 78 | self.stop_segment = proxy_emulab_segment.stop_segment |
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| 79 | elif self.access_type == 'local_emulab': |
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| 80 | self.start_segment = local_emulab_segment.start_segment |
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| 81 | self.stop_segment = local_emulab_segment.stop_segment |
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| 82 | else: |
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| 83 | self.start_segment = None |
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| 84 | self.stop_segment = None |
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[866c983] | 85 | |
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| 86 | self.attrs = { } |
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| 87 | self.access = { } |
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| 88 | self.restricted = [ ] |
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| 89 | self.projects = { } |
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| 90 | self.keys = { } |
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| 91 | self.types = { } |
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| 92 | self.allocation = { } |
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| 93 | self.state = { |
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| 94 | 'projects': self.projects, |
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| 95 | 'allocation' : self.allocation, |
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| 96 | 'keys' : self.keys, |
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| 97 | 'types': self.types |
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| 98 | } |
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| 99 | self.log = logging.getLogger("fedd.access") |
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| 100 | set_log_level(config, "access", self.log) |
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| 101 | self.state_lock = Lock() |
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[e02cd14] | 102 | # XXX: Configurable |
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| 103 | self.exports = set(('SMB', 'seer', 'tmcd')) |
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| 104 | self.imports = set(('SMB', 'seer', 'tmcd')) |
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[866c983] | 105 | |
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| 106 | if auth: self.auth = auth |
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| 107 | else: |
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| 108 | self.log.error(\ |
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| 109 | "[access]: No authorizer initialized, creating local one.") |
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| 110 | auth = authorizer() |
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| 111 | |
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| 112 | tb = config.get('access', 'testbed') |
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| 113 | if tb: self.testbed = [ t.strip() for t in tb.split(',') ] |
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| 114 | else: self.testbed = [ ] |
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| 115 | |
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| 116 | if config.has_option("access", "accessdb"): |
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| 117 | self.read_access(config.get("access", "accessdb")) |
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| 118 | |
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| 119 | self.state_filename = config.get("access", "access_state") |
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| 120 | self.read_state() |
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| 121 | |
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| 122 | # Keep cert_file and cert_pwd coming from the same place |
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| 123 | self.cert_file = config.get("access", "cert_file") |
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| 124 | if self.cert_file: |
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| 125 | self.sert_pwd = config.get("access", "cert_pw") |
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| 126 | else: |
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| 127 | self.cert_file = config.get("globals", "cert_file") |
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| 128 | self.sert_pwd = config.get("globals", "cert_pw") |
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| 129 | |
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| 130 | self.trusted_certs = config.get("access", "trusted_certs") or \ |
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| 131 | config.get("globals", "trusted_certs") |
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| 132 | |
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| 133 | self.soap_services = {\ |
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| 134 | 'RequestAccess': soap_handler("RequestAccess", self.RequestAccess), |
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| 135 | 'ReleaseAccess': soap_handler("ReleaseAccess", self.ReleaseAccess), |
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[cc8d8e9] | 136 | 'StartSegment': soap_handler("StartSegment", self.StartSegment), |
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[5ae3857] | 137 | 'TerminateSegment': soap_handler("TerminateSegment", self.TerminateSegment), |
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[866c983] | 138 | } |
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| 139 | self.xmlrpc_services = {\ |
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| 140 | 'RequestAccess': xmlrpc_handler('RequestAccess', |
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| 141 | self.RequestAccess), |
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| 142 | 'ReleaseAccess': xmlrpc_handler('ReleaseAccess', |
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| 143 | self.ReleaseAccess), |
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[5ae3857] | 144 | 'StartSegment': xmlrpc_handler("StartSegment", self.StartSegment), |
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| 145 | 'TerminateSegment': xmlrpc_handler('TerminateSegment', |
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| 146 | self.TerminateSegment), |
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[866c983] | 147 | } |
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| 148 | |
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| 149 | |
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| 150 | if not config.has_option("allocate", "uri"): |
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| 151 | self.allocate_project = \ |
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| 152 | allocate_project_local(config, auth) |
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| 153 | else: |
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| 154 | self.allocate_project = \ |
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| 155 | allocate_project_remote(config, auth) |
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| 156 | |
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| 157 | # If the project allocator exports services, put them in this object's |
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| 158 | # maps so that classes that instantiate this can call the services. |
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| 159 | self.soap_services.update(self.allocate_project.soap_services) |
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| 160 | self.xmlrpc_services.update(self.allocate_project.xmlrpc_services) |
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[f8582c9] | 161 | |
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[72ed6e4] | 162 | |
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| 163 | def read_access(self, config): |
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[866c983] | 164 | """ |
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| 165 | Read a configuration file and set internal parameters. |
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| 166 | |
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| 167 | The format is more complex than one might hope. The basic format is |
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| 168 | attribute value pairs separated by colons(:) on a signle line. The |
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| 169 | attributes in bool_attrs, emulab_attrs and id_attrs can all be set |
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| 170 | directly using the name: value syntax. E.g. |
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| 171 | boss: hostname |
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| 172 | sets self.boss to hostname. In addition, there are access lines of the |
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| 173 | form (tb, proj, user) -> (aproj, auser) that map the first tuple of |
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| 174 | names to the second for access purposes. Names in the key (left side) |
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| 175 | can include "<NONE> or <ANY>" to act as wildcards or to require the |
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| 176 | fields to be empty. Similarly aproj or auser can be <SAME> or |
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| 177 | <DYNAMIC> indicating that either the matching key is to be used or a |
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| 178 | dynamic user or project will be created. These names can also be |
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| 179 | federated IDs (fedid's) if prefixed with fedid:. Finally, the aproj |
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| 180 | can be followed with a colon-separated list of node types to which that |
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| 181 | project has access (or will have access if dynamic). |
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| 182 | Testbed attributes outside the forms above can be given using the |
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| 183 | format attribute: name value: value. The name is a single word and the |
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| 184 | value continues to the end of the line. Empty lines and lines startin |
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| 185 | with a # are ignored. |
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| 186 | |
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| 187 | Parsing errors result in a self.parse_error exception being raised. |
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| 188 | """ |
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| 189 | lineno=0 |
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| 190 | name_expr = "["+string.ascii_letters + string.digits + "\.\-_]+" |
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| 191 | fedid_expr = "fedid:[" + string.hexdigits + "]+" |
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| 192 | key_name = "(<ANY>|<NONE>|"+fedid_expr + "|"+ name_expr + ")" |
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| 193 | access_proj = "(<DYNAMIC>(?::" + name_expr +")*|"+ \ |
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| 194 | "<SAME>" + "(?::" + name_expr + ")*|" + \ |
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| 195 | fedid_expr + "(?::" + name_expr + ")*|" + \ |
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| 196 | name_expr + "(?::" + name_expr + ")*)" |
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| 197 | access_name = "(<DYNAMIC>|<SAME>|" + fedid_expr + "|"+ name_expr + ")" |
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| 198 | |
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| 199 | restricted_re = re.compile("restricted:\s*(.*)", re.IGNORECASE) |
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| 200 | attr_re = re.compile('attribute:\s*([\._\-a-z0-9]+)\s+value:\s*(.*)', |
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| 201 | re.IGNORECASE) |
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| 202 | access_re = re.compile('\('+key_name+'\s*,\s*'+key_name+'\s*,\s*'+ |
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| 203 | key_name+'\s*\)\s*->\s*\('+access_proj + '\s*,\s*' + |
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| 204 | access_name + '\s*,\s*' + access_name + '\s*\)', re.IGNORECASE) |
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| 205 | |
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| 206 | def parse_name(n): |
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| 207 | if n.startswith('fedid:'): return fedid(hexstr=n[len('fedid:'):]) |
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| 208 | else: return n |
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| 209 | |
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| 210 | def auth_name(n): |
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| 211 | if isinstance(n, basestring): |
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| 212 | if n =='<any>' or n =='<none>': return None |
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| 213 | else: return unicode(n) |
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| 214 | else: |
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| 215 | return n |
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| 216 | |
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| 217 | f = open(config, "r"); |
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| 218 | for line in f: |
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| 219 | lineno += 1 |
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| 220 | line = line.strip(); |
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| 221 | if len(line) == 0 or line.startswith('#'): |
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| 222 | continue |
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| 223 | |
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| 224 | # Extended (attribute: x value: y) attribute line |
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| 225 | m = attr_re.match(line) |
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| 226 | if m != None: |
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| 227 | attr, val = m.group(1,2) |
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| 228 | self.attrs[attr] = val |
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| 229 | continue |
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| 230 | |
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| 231 | # Restricted entry |
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| 232 | m = restricted_re.match(line) |
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| 233 | if m != None: |
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| 234 | val = m.group(1) |
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| 235 | self.restricted.append(val) |
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| 236 | continue |
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| 237 | |
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| 238 | # Access line (t, p, u) -> (ap, cu, su) line |
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| 239 | m = access_re.match(line) |
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| 240 | if m != None: |
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| 241 | access_key = tuple([ parse_name(x) for x in m.group(1,2,3)]) |
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| 242 | auth_key = tuple([ auth_name(x) for x in access_key]) |
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| 243 | aps = m.group(4).split(":"); |
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| 244 | if aps[0] == 'fedid:': |
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| 245 | del aps[0] |
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| 246 | aps[0] = fedid(hexstr=aps[0]) |
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| 247 | |
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| 248 | cu = parse_name(m.group(5)) |
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| 249 | su = parse_name(m.group(6)) |
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| 250 | |
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| 251 | access_val = (access_project(aps[0], aps[1:]), |
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| 252 | parse_name(m.group(5)), parse_name(m.group(6))) |
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| 253 | |
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| 254 | self.access[access_key] = access_val |
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| 255 | self.auth.set_attribute(auth_key, "access") |
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| 256 | continue |
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| 257 | |
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| 258 | # Nothing matched to here: unknown line - raise exception |
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| 259 | f.close() |
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| 260 | raise self.parse_error("Unknown statement at line %d of %s" % \ |
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| 261 | (lineno, config)) |
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| 262 | f.close() |
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[72ed6e4] | 263 | |
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[19cc408] | 264 | def get_users(self, obj): |
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[866c983] | 265 | """ |
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| 266 | Return a list of the IDs of the users in dict |
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| 267 | """ |
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| 268 | if obj.has_key('user'): |
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| 269 | return [ unpack_id(u['userID']) \ |
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| 270 | for u in obj['user'] if u.has_key('userID') ] |
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| 271 | else: |
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| 272 | return None |
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[19cc408] | 273 | |
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[d81971a] | 274 | def write_state(self): |
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[866c983] | 275 | if self.state_filename: |
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| 276 | try: |
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| 277 | f = open(self.state_filename, 'w') |
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| 278 | pickle.dump(self.state, f) |
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| 279 | except IOError, e: |
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| 280 | self.log.error("Can't write file %s: %s" % \ |
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| 281 | (self.state_filename, e)) |
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| 282 | except pickle.PicklingError, e: |
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| 283 | self.log.error("Pickling problem: %s" % e) |
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| 284 | except TypeError, e: |
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| 285 | self.log.error("Pickling problem (TypeError): %s" % e) |
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[d81971a] | 286 | |
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| 287 | |
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| 288 | def read_state(self): |
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[866c983] | 289 | """ |
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| 290 | Read a new copy of access state. Old state is overwritten. |
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| 291 | |
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| 292 | State format is a simple pickling of the state dictionary. |
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| 293 | """ |
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| 294 | if self.state_filename: |
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| 295 | try: |
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| 296 | f = open(self.state_filename, "r") |
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| 297 | self.state = pickle.load(f) |
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| 298 | |
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| 299 | self.allocation = self.state['allocation'] |
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| 300 | self.projects = self.state['projects'] |
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| 301 | self.keys = self.state['keys'] |
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| 302 | self.types = self.state['types'] |
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| 303 | |
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| 304 | self.log.debug("[read_state]: Read state from %s" % \ |
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| 305 | self.state_filename) |
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| 306 | except IOError, e: |
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| 307 | self.log.warning(("[read_state]: No saved state: " +\ |
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| 308 | "Can't open %s: %s") % (self.state_filename, e)) |
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| 309 | except EOFError, e: |
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| 310 | self.log.warning(("[read_state]: " +\ |
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| 311 | "Empty or damaged state file: %s:") % \ |
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| 312 | self.state_filename) |
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| 313 | except pickle.UnpicklingError, e: |
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| 314 | self.log.warning(("[read_state]: No saved state: " + \ |
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| 315 | "Unpickling failed: %s") % e) |
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| 316 | |
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| 317 | # Add the ownership attributes to the authorizer. Note that the |
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| 318 | # indices of the allocation dict are strings, but the attributes are |
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| 319 | # fedids, so there is a conversion. |
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| 320 | for k in self.allocation.keys(): |
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| 321 | for o in self.allocation[k].get('owners', []): |
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| 322 | self.auth.set_attribute(o, fedid(hexstr=k)) |
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[3f6bc5f] | 323 | |
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| 324 | |
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[19cc408] | 325 | def permute_wildcards(self, a, p): |
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[866c983] | 326 | """Return a copy of a with various fields wildcarded. |
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[19cc408] | 327 | |
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[866c983] | 328 | The bits of p control the wildcards. A set bit is a wildcard |
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| 329 | replacement with the lowest bit being user then project then testbed. |
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| 330 | """ |
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| 331 | if p & 1: user = ["<any>"] |
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| 332 | else: user = a[2] |
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| 333 | if p & 2: proj = "<any>" |
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| 334 | else: proj = a[1] |
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| 335 | if p & 4: tb = "<any>" |
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| 336 | else: tb = a[0] |
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[19cc408] | 337 | |
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[866c983] | 338 | return (tb, proj, user) |
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[19cc408] | 339 | |
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| 340 | def find_access(self, search): |
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[866c983] | 341 | """ |
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| 342 | Search the access DB for a match on this tuple. Return the matching |
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| 343 | access tuple and the user that matched. |
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| 344 | |
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| 345 | NB, if the initial tuple fails to match we start inserting wildcards in |
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| 346 | an order determined by self.project_priority. Try the list of users in |
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| 347 | order (when wildcarded, there's only one user in the list). |
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| 348 | """ |
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| 349 | if self.project_priority: perm = (0, 1, 2, 3, 4, 5, 6, 7) |
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| 350 | else: perm = (0, 2, 1, 3, 4, 6, 5, 7) |
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| 351 | |
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| 352 | for p in perm: |
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| 353 | s = self.permute_wildcards(search, p) |
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| 354 | # s[2] is None on an anonymous, unwildcarded request |
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| 355 | if s[2] != None: |
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| 356 | for u in s[2]: |
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| 357 | if self.access.has_key((s[0], s[1], u)): |
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| 358 | return (self.access[(s[0], s[1], u)], u) |
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| 359 | else: |
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| 360 | if self.access.has_key(s): |
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| 361 | return (self.access[s], None) |
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| 362 | return None, None |
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[19cc408] | 363 | |
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| 364 | def lookup_access(self, req, fid): |
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[866c983] | 365 | """ |
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| 366 | Determine the allowed access for this request. Return the access and |
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| 367 | which fields are dynamic. |
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| 368 | |
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| 369 | The fedid is needed to construct the request |
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| 370 | """ |
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[3bddd24] | 371 | user_re = re.compile("user:\s(.*)") |
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| 372 | project_re = re.compile("project:\s(.*)") |
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| 373 | |
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[866c983] | 374 | # Search keys |
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| 375 | tb = None |
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| 376 | project = None |
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| 377 | user = None |
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| 378 | # Return values |
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| 379 | rp = access_project(None, ()) |
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| 380 | ru = None |
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| 381 | |
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[3bddd24] | 382 | user = [ user_re.findall(x)[0] for x in req.get('credential', []) \ |
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| 383 | if user_re.match(x)] |
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| 384 | project = [ project_re.findall(x)[0] \ |
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| 385 | for x in req.get('credential', []) \ |
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| 386 | if project_re.match(x)] |
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| 387 | |
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| 388 | if len(project) == 1: project = project[0] |
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| 389 | elif len(project) == 0: project = None |
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| 390 | else: |
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| 391 | raise service_error(service_error.req, |
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| 392 | "More than one project credential") |
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| 393 | |
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[866c983] | 394 | |
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| 395 | user_fedids = [ u for u in user if isinstance(u, fedid)] |
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| 396 | # Determine how the caller is representing itself. If its fedid shows |
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| 397 | # up as a project or a singleton user, let that stand. If neither the |
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| 398 | # usernames nor the project name is a fedid, the caller is a testbed. |
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| 399 | if project and isinstance(project, fedid): |
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| 400 | if project == fid: |
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| 401 | # The caller is the project (which is already in the tuple |
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| 402 | # passed in to the authorizer) |
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| 403 | owners = user_fedids |
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| 404 | owners.append(project) |
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| 405 | else: |
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| 406 | raise service_error(service_error.req, |
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| 407 | "Project asserting different fedid") |
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| 408 | else: |
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| 409 | if fid not in user_fedids: |
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| 410 | tb = fid |
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| 411 | owners = user_fedids |
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| 412 | owners.append(fid) |
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| 413 | else: |
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| 414 | if len(fedids) > 1: |
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| 415 | raise service_error(service_error.req, |
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| 416 | "User asserting different fedid") |
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| 417 | else: |
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| 418 | # Which is a singleton |
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| 419 | owners = user_fedids |
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| 420 | # Confirm authorization |
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| 421 | |
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| 422 | for u in user: |
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| 423 | self.log.debug("[lookup_access] Checking access for %s" % \ |
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| 424 | ((tb, project, u),)) |
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| 425 | if self.auth.check_attribute((tb, project, u), 'access'): |
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| 426 | self.log.debug("[lookup_access] Access granted") |
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| 427 | break |
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| 428 | else: |
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| 429 | self.log.debug("[lookup_access] Access Denied") |
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| 430 | else: |
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| 431 | raise service_error(service_error.access, "Access denied") |
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| 432 | |
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| 433 | # This maps a valid user to the Emulab projects and users to use |
---|
| 434 | found, user_match = self.find_access((tb, project, user)) |
---|
| 435 | |
---|
| 436 | if found == None: |
---|
| 437 | raise service_error(service_error.access, |
---|
| 438 | "Access denied - cannot map access") |
---|
| 439 | |
---|
| 440 | # resolve <dynamic> and <same> in found |
---|
| 441 | dyn_proj = False |
---|
| 442 | dyn_create_user = False |
---|
| 443 | dyn_service_user = False |
---|
| 444 | |
---|
| 445 | if found[0].name == "<same>": |
---|
| 446 | if project != None: |
---|
| 447 | rp.name = project |
---|
| 448 | else : |
---|
| 449 | raise service_error(\ |
---|
| 450 | service_error.server_config, |
---|
| 451 | "Project matched <same> when no project given") |
---|
| 452 | elif found[0].name == "<dynamic>": |
---|
| 453 | rp.name = None |
---|
| 454 | dyn_proj = True |
---|
| 455 | else: |
---|
| 456 | rp.name = found[0].name |
---|
| 457 | rp.node_types = found[0].node_types; |
---|
| 458 | |
---|
| 459 | if found[1] == "<same>": |
---|
| 460 | if user_match == "<any>": |
---|
| 461 | if user != None: rcu = user[0] |
---|
| 462 | else: raise service_error(\ |
---|
| 463 | service_error.server_config, |
---|
| 464 | "Matched <same> on anonymous request") |
---|
| 465 | else: |
---|
| 466 | rcu = user_match |
---|
| 467 | elif found[1] == "<dynamic>": |
---|
| 468 | rcu = None |
---|
| 469 | dyn_create_user = True |
---|
| 470 | else: |
---|
| 471 | rcu = found[1] |
---|
| 472 | |
---|
| 473 | if found[2] == "<same>": |
---|
| 474 | if user_match == "<any>": |
---|
| 475 | if user != None: rsu = user[0] |
---|
| 476 | else: raise service_error(\ |
---|
| 477 | service_error.server_config, |
---|
| 478 | "Matched <same> on anonymous request") |
---|
| 479 | else: |
---|
| 480 | rsu = user_match |
---|
| 481 | elif found[2] == "<dynamic>": |
---|
| 482 | rsu = None |
---|
| 483 | dyn_service_user = True |
---|
| 484 | else: |
---|
| 485 | rsu = found[2] |
---|
| 486 | |
---|
| 487 | return (rp, rcu, rsu), (dyn_create_user, dyn_service_user, dyn_proj),\ |
---|
| 488 | owners |
---|
[19cc408] | 489 | |
---|
[e02cd14] | 490 | def export_services(self, sreq, project, user): |
---|
| 491 | exp = [ ] |
---|
| 492 | # XXX: Filthy shortcut here using http so urlparse will give the right |
---|
| 493 | # answers. |
---|
| 494 | for s in sreq: |
---|
| 495 | sname = s.get('name', '') |
---|
| 496 | svis = s.get('visibility', '') |
---|
| 497 | if svis == 'export': |
---|
| 498 | if sname in self.exports: |
---|
| 499 | outs = s.copy() |
---|
| 500 | if sname == 'SMB': |
---|
| 501 | outs = s.copy() |
---|
| 502 | outs['server'] = "http://fs:139" |
---|
| 503 | outs['fedAttr'] = [ |
---|
| 504 | { 'attribute': 'SMBSHARE', 'value': 'USERS' }, |
---|
| 505 | { 'attribute': 'SMBUSER', 'value': user }, |
---|
| 506 | { 'attribute': 'SMBPROJ', 'value': project }, |
---|
| 507 | ] |
---|
| 508 | elif sname == 'seer': |
---|
| 509 | outs['server'] = "http://control:16606" |
---|
| 510 | elif sname == 'tmcd': |
---|
| 511 | outs['server'] = "http://boss:7777" |
---|
| 512 | exp.append(outs) |
---|
| 513 | return exp |
---|
| 514 | |
---|
| 515 | def build_response(self, alloc_id, ap, services): |
---|
[866c983] | 516 | """ |
---|
| 517 | Create the SOAP response. |
---|
| 518 | |
---|
| 519 | Build the dictionary description of the response and use |
---|
| 520 | fedd_utils.pack_soap to create the soap message. ap is the allocate |
---|
| 521 | project message returned from a remote project allocation (even if that |
---|
| 522 | allocation was done locally). |
---|
| 523 | """ |
---|
| 524 | # Because alloc_id is already a fedd_services_types.IDType_Holder, |
---|
| 525 | # there's no need to repack it |
---|
| 526 | msg = { |
---|
| 527 | 'allocID': alloc_id, |
---|
[4afcfc4] | 528 | 'fedAttr': [ |
---|
| 529 | { 'attribute': 'domain', 'value': self.domain } , |
---|
| 530 | { 'attribute': 'project', 'value': |
---|
| 531 | ap['project'].get('name', {}).get('localname', "???") }, |
---|
| 532 | ] |
---|
[866c983] | 533 | } |
---|
| 534 | if len(self.attrs) > 0: |
---|
[4afcfc4] | 535 | msg['fedAttr'].extend( |
---|
[866c983] | 536 | [ { 'attribute': x, 'value' : y } \ |
---|
[4afcfc4] | 537 | for x,y in self.attrs.iteritems()]) |
---|
[e02cd14] | 538 | |
---|
| 539 | if services: |
---|
| 540 | msg['service'] = services |
---|
[866c983] | 541 | return msg |
---|
[19cc408] | 542 | |
---|
| 543 | def RequestAccess(self, req, fid): |
---|
[866c983] | 544 | """ |
---|
| 545 | Handle the access request. Proxy if not for us. |
---|
| 546 | |
---|
| 547 | Parse out the fields and make the allocations or rejections if for us, |
---|
| 548 | otherwise, assuming we're willing to proxy, proxy the request out. |
---|
| 549 | """ |
---|
| 550 | |
---|
| 551 | def gateway_hardware(h): |
---|
| 552 | if h == 'GWTYPE': return self.attrs.get('connectorType', 'GWTYPE') |
---|
| 553 | else: return h |
---|
| 554 | |
---|
| 555 | # The dance to get into the request body |
---|
| 556 | if req.has_key('RequestAccessRequestBody'): |
---|
| 557 | req = req['RequestAccessRequestBody'] |
---|
| 558 | else: |
---|
| 559 | raise service_error(service_error.req, "No request!?") |
---|
| 560 | |
---|
| 561 | if req.has_key('destinationTestbed'): |
---|
| 562 | dt = unpack_id(req['destinationTestbed']) |
---|
| 563 | |
---|
| 564 | if dt == None or dt in self.testbed: |
---|
| 565 | # Request for this fedd |
---|
| 566 | found, dyn, owners = self.lookup_access(req, fid) |
---|
| 567 | restricted = None |
---|
| 568 | ap = None |
---|
| 569 | |
---|
| 570 | # If this is a request to export a project and the access project |
---|
| 571 | # is not the project to export, access denied. |
---|
| 572 | if req.has_key('exportProject'): |
---|
| 573 | ep = unpack_id(req['exportProject']) |
---|
| 574 | if ep != found[0].name: |
---|
| 575 | raise service_error(service_error.access, |
---|
| 576 | "Cannot export %s" % ep) |
---|
| 577 | |
---|
| 578 | # Check for access to restricted nodes |
---|
| 579 | if req.has_key('resources') and req['resources'].has_key('node'): |
---|
| 580 | resources = req['resources'] |
---|
| 581 | restricted = [ gateway_hardware(t) for n in resources['node'] \ |
---|
| 582 | if n.has_key('hardware') \ |
---|
| 583 | for t in n['hardware'] \ |
---|
| 584 | if gateway_hardware(t) \ |
---|
| 585 | in self.restricted ] |
---|
| 586 | inaccessible = [ t for t in restricted \ |
---|
| 587 | if t not in found[0].node_types] |
---|
| 588 | if len(inaccessible) > 0: |
---|
| 589 | raise service_error(service_error.access, |
---|
| 590 | "Access denied (nodetypes %s)" % \ |
---|
| 591 | str(', ').join(inaccessible)) |
---|
[3bddd24] | 592 | |
---|
| 593 | # These were passed around before, but now are hidden from users |
---|
| 594 | # and configurators alike, beyond a configuration file entry. |
---|
| 595 | create_ssh = [ self.ssh_pubkey_file ] |
---|
| 596 | service_ssh = [ self.ssh_pubkey_file ] |
---|
[866c983] | 597 | |
---|
| 598 | if len(create_ssh) > 0 and len(service_ssh) >0: |
---|
| 599 | if dyn[1]: |
---|
| 600 | # Compose the dynamic project request |
---|
| 601 | # (only dynamic, dynamic currently allowed) |
---|
| 602 | preq = { 'AllocateProjectRequestBody': \ |
---|
| 603 | { 'project' : {\ |
---|
| 604 | 'user': [ \ |
---|
| 605 | { \ |
---|
| 606 | 'access': [ { 'sshPubkey': s } \ |
---|
| 607 | for s in service_ssh ], |
---|
| 608 | 'role': "serviceAccess",\ |
---|
| 609 | }, \ |
---|
| 610 | { \ |
---|
| 611 | 'access': [ { 'sshPubkey': s } \ |
---|
| 612 | for s in create_ssh ], |
---|
| 613 | 'role': "experimentCreation",\ |
---|
| 614 | }, \ |
---|
| 615 | ], \ |
---|
| 616 | }\ |
---|
| 617 | }\ |
---|
| 618 | } |
---|
| 619 | if restricted != None and len(restricted) > 0: |
---|
| 620 | preq['AllocateProjectRequestBody']['resources'] = \ |
---|
| 621 | {'node': [ { 'hardware' : [ h ] } \ |
---|
| 622 | for h in restricted ] } |
---|
| 623 | ap = self.allocate_project.dynamic_project(preq) |
---|
| 624 | else: |
---|
| 625 | preq = {'StaticProjectRequestBody' : \ |
---|
| 626 | { 'project': \ |
---|
| 627 | { 'name' : { 'localname' : found[0].name },\ |
---|
| 628 | 'user' : [ \ |
---|
| 629 | {\ |
---|
| 630 | 'userID': { 'localname' : found[1] }, \ |
---|
| 631 | 'access': [ { 'sshPubkey': s } |
---|
| 632 | for s in create_ssh ], |
---|
| 633 | 'role': 'experimentCreation'\ |
---|
| 634 | },\ |
---|
| 635 | {\ |
---|
| 636 | 'userID': { 'localname' : found[2] }, \ |
---|
| 637 | 'access': [ { 'sshPubkey': s } |
---|
| 638 | for s in service_ssh ], |
---|
| 639 | 'role': 'serviceAccess'\ |
---|
| 640 | },\ |
---|
| 641 | ]}\ |
---|
| 642 | }\ |
---|
| 643 | } |
---|
| 644 | if restricted != None and len(restricted) > 0: |
---|
| 645 | preq['StaticProjectRequestBody']['resources'] = \ |
---|
| 646 | {'node': [ { 'hardware' : [ h ] } \ |
---|
| 647 | for h in restricted ] } |
---|
| 648 | ap = self.allocate_project.static_project(preq) |
---|
| 649 | else: |
---|
| 650 | raise service_error(service_error.req, |
---|
| 651 | "SSH access parameters required") |
---|
| 652 | # keep track of what's been added |
---|
| 653 | allocID, alloc_cert = generate_fedid(subj="alloc", log=self.log) |
---|
| 654 | aid = unicode(allocID) |
---|
| 655 | |
---|
| 656 | self.state_lock.acquire() |
---|
| 657 | self.allocation[aid] = { } |
---|
| 658 | try: |
---|
| 659 | pname = ap['project']['name']['localname'] |
---|
| 660 | except KeyError: |
---|
| 661 | pname = None |
---|
| 662 | |
---|
| 663 | if dyn[1]: |
---|
| 664 | if not pname: |
---|
| 665 | self.state_lock.release() |
---|
| 666 | raise service_error(service_error.internal, |
---|
| 667 | "Misformed allocation response?") |
---|
| 668 | if self.projects.has_key(pname): self.projects[pname] += 1 |
---|
| 669 | else: self.projects[pname] = 1 |
---|
| 670 | self.allocation[aid]['project'] = pname |
---|
[ecca6eb] | 671 | else: |
---|
| 672 | # sproject is a static project associated with this allocation. |
---|
| 673 | self.allocation[aid]['sproject'] = pname |
---|
[866c983] | 674 | |
---|
| 675 | if ap.has_key('resources'): |
---|
| 676 | if not pname: |
---|
| 677 | self.state_lock.release() |
---|
| 678 | raise service_error(service_error.internal, |
---|
| 679 | "Misformed allocation response?") |
---|
| 680 | self.allocation[aid]['types'] = set() |
---|
| 681 | nodes = ap['resources'].get('node', []) |
---|
| 682 | for n in nodes: |
---|
| 683 | for h in n.get('hardware', []): |
---|
| 684 | if self.types.has_key((pname, h)): |
---|
| 685 | self.types[(pname, h)] += 1 |
---|
| 686 | else: |
---|
| 687 | self.types[(pname, h)] = 1 |
---|
| 688 | self.allocation[aid]['types'].add((pname,h)) |
---|
| 689 | |
---|
| 690 | |
---|
| 691 | self.allocation[aid]['keys'] = [ ] |
---|
| 692 | |
---|
| 693 | try: |
---|
| 694 | for u in ap['project']['user']: |
---|
| 695 | uname = u['userID']['localname'] |
---|
[ecca6eb] | 696 | if u['role'] == 'experimentCreation': |
---|
| 697 | self.allocation[aid]['user'] = uname |
---|
[866c983] | 698 | for k in [ k['sshPubkey'] for k in u['access'] \ |
---|
| 699 | if k.has_key('sshPubkey') ]: |
---|
| 700 | kv = "%s:%s" % (uname, k) |
---|
| 701 | if self.keys.has_key(kv): self.keys[kv] += 1 |
---|
| 702 | else: self.keys[kv] = 1 |
---|
| 703 | self.allocation[aid]['keys'].append((uname, k)) |
---|
| 704 | except KeyError: |
---|
| 705 | self.state_lock.release() |
---|
| 706 | raise service_error(service_error.internal, |
---|
| 707 | "Misformed allocation response?") |
---|
| 708 | |
---|
| 709 | self.allocation[aid]['owners'] = owners |
---|
| 710 | self.write_state() |
---|
| 711 | self.state_lock.release() |
---|
| 712 | for o in owners: |
---|
| 713 | self.auth.set_attribute(o, allocID) |
---|
[6c57fe9] | 714 | try: |
---|
| 715 | f = open("%s/%s.pem" % (self.certdir, aid), "w") |
---|
| 716 | print >>f, alloc_cert |
---|
| 717 | f.close() |
---|
| 718 | except IOError, e: |
---|
| 719 | raise service_error(service_error.internal, |
---|
| 720 | "Can't open %s/%s : %s" % (self.certdir, aid, e)) |
---|
[e02cd14] | 721 | services = self.export_services(req.get('service',[]), pname, uname) |
---|
| 722 | resp = self.build_response({ 'fedid': allocID } , ap, services) |
---|
[866c983] | 723 | return resp |
---|
| 724 | else: |
---|
| 725 | if self.allow_proxy: |
---|
| 726 | resp = self.proxy_RequestAccess.call_service(dt, req, |
---|
| 727 | self.cert_file, self.cert_pwd, |
---|
| 728 | self.trusted_certs) |
---|
| 729 | if resp.has_key('RequestAccessResponseBody'): |
---|
| 730 | return resp['RequestAccessResponseBody'] |
---|
| 731 | else: |
---|
| 732 | return None |
---|
| 733 | else: |
---|
| 734 | raise service_error(service_error.access, |
---|
| 735 | "Access proxying denied") |
---|
[d81971a] | 736 | |
---|
| 737 | def ReleaseAccess(self, req, fid): |
---|
[866c983] | 738 | # The dance to get into the request body |
---|
| 739 | if req.has_key('ReleaseAccessRequestBody'): |
---|
| 740 | req = req['ReleaseAccessRequestBody'] |
---|
| 741 | else: |
---|
| 742 | raise service_error(service_error.req, "No request!?") |
---|
| 743 | |
---|
| 744 | if req.has_key('destinationTestbed'): |
---|
| 745 | dt = unpack_id(req['destinationTestbed']) |
---|
| 746 | else: |
---|
| 747 | dt = None |
---|
| 748 | |
---|
| 749 | if dt == None or dt in self.testbed: |
---|
| 750 | # Local request |
---|
| 751 | try: |
---|
| 752 | if req['allocID'].has_key('localname'): |
---|
| 753 | auth_attr = aid = req['allocID']['localname'] |
---|
| 754 | elif req['allocID'].has_key('fedid'): |
---|
| 755 | aid = unicode(req['allocID']['fedid']) |
---|
| 756 | auth_attr = req['allocID']['fedid'] |
---|
| 757 | else: |
---|
| 758 | raise service_error(service_error.req, |
---|
| 759 | "Only localnames and fedids are understood") |
---|
| 760 | except KeyError: |
---|
| 761 | raise service_error(service_error.req, "Badly formed request") |
---|
| 762 | |
---|
| 763 | self.log.debug("[access] deallocation requested for %s", aid) |
---|
| 764 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 765 | self.log.debug("[access] deallocation denied for %s", aid) |
---|
| 766 | raise service_error(service_error.access, "Access Denied") |
---|
| 767 | |
---|
| 768 | # If we know this allocation, reduce the reference counts and |
---|
| 769 | # remove the local allocations. Otherwise report an error. If |
---|
| 770 | # there is an allocation to delete, del_users will be a dictonary |
---|
| 771 | # of sets where the key is the user that owns the keys in the set. |
---|
| 772 | # We use a set to avoid duplicates. del_project is just the name |
---|
| 773 | # of any dynamic project to delete. We're somewhat lazy about |
---|
| 774 | # deleting authorization attributes. Having access to something |
---|
| 775 | # that doesn't exist isn't harmful. |
---|
| 776 | del_users = { } |
---|
| 777 | del_project = None |
---|
| 778 | del_types = set() |
---|
| 779 | |
---|
| 780 | if self.allocation.has_key(aid): |
---|
| 781 | self.log.debug("Found allocation for %s" %aid) |
---|
| 782 | self.state_lock.acquire() |
---|
| 783 | for k in self.allocation[aid]['keys']: |
---|
| 784 | kk = "%s:%s" % k |
---|
| 785 | self.keys[kk] -= 1 |
---|
| 786 | if self.keys[kk] == 0: |
---|
| 787 | if not del_users.has_key(k[0]): |
---|
| 788 | del_users[k[0]] = set() |
---|
| 789 | del_users[k[0]].add(k[1]) |
---|
| 790 | del self.keys[kk] |
---|
| 791 | |
---|
| 792 | if self.allocation[aid].has_key('project'): |
---|
| 793 | pname = self.allocation[aid]['project'] |
---|
| 794 | self.projects[pname] -= 1 |
---|
| 795 | if self.projects[pname] == 0: |
---|
| 796 | del_project = pname |
---|
| 797 | del self.projects[pname] |
---|
| 798 | |
---|
| 799 | if self.allocation[aid].has_key('types'): |
---|
| 800 | for t in self.allocation[aid]['types']: |
---|
| 801 | self.types[t] -= 1 |
---|
| 802 | if self.types[t] == 0: |
---|
| 803 | if not del_project: del_project = t[0] |
---|
| 804 | del_types.add(t[1]) |
---|
| 805 | del self.types[t] |
---|
| 806 | |
---|
| 807 | del self.allocation[aid] |
---|
| 808 | self.write_state() |
---|
| 809 | self.state_lock.release() |
---|
| 810 | # If we actually have resources to deallocate, prepare the call. |
---|
| 811 | if del_project or del_users: |
---|
| 812 | msg = { 'project': { }} |
---|
| 813 | if del_project: |
---|
| 814 | msg['project']['name']= {'localname': del_project} |
---|
| 815 | users = [ ] |
---|
| 816 | for u in del_users.keys(): |
---|
| 817 | users.append({ 'userID': { 'localname': u },\ |
---|
| 818 | 'access' : \ |
---|
| 819 | [ {'sshPubkey' : s } for s in del_users[u]]\ |
---|
| 820 | }) |
---|
| 821 | if users: |
---|
| 822 | msg['project']['user'] = users |
---|
| 823 | if len(del_types) > 0: |
---|
| 824 | msg['resources'] = { 'node': \ |
---|
| 825 | [ {'hardware': [ h ] } for h in del_types ]\ |
---|
| 826 | } |
---|
| 827 | if self.allocate_project.release_project: |
---|
| 828 | msg = { 'ReleaseProjectRequestBody' : msg} |
---|
| 829 | self.allocate_project.release_project(msg) |
---|
[f07fa49] | 830 | # And remove the access cert |
---|
| 831 | cf = "%s/%s.pem" % (self.certdir, aid) |
---|
| 832 | self.log.debug("Removing %s" % cf) |
---|
| 833 | os.remove(cf) |
---|
[866c983] | 834 | return { 'allocID': req['allocID'] } |
---|
| 835 | else: |
---|
| 836 | raise service_error(service_error.req, "No such allocation") |
---|
| 837 | |
---|
| 838 | else: |
---|
| 839 | if self.allow_proxy: |
---|
| 840 | resp = self.proxy_ReleaseAccess.call_service(dt, req, |
---|
| 841 | self.cert_file, self.cert_pwd, |
---|
| 842 | self.trusted_certs) |
---|
| 843 | if resp.has_key('ReleaseAccessResponseBody'): |
---|
| 844 | return resp['ReleaseAccessResponseBody'] |
---|
| 845 | else: |
---|
| 846 | return None |
---|
| 847 | else: |
---|
| 848 | raise service_error(service_error.access, |
---|
| 849 | "Access proxying denied") |
---|
[d81971a] | 850 | |
---|
[f9ef40b] | 851 | def generate_portal_configs(self, topo, pubkey_base, secretkey_base, |
---|
[e02cd14] | 852 | tmpdir, master, lproj, leid, connInfo, services): |
---|
| 853 | |
---|
| 854 | def conninfo_to_dict(key, info): |
---|
| 855 | """ |
---|
| 856 | Make a cpoy of the connection information about key, and flatten it |
---|
| 857 | into a single dict by parsing out any feddAttrs. |
---|
| 858 | """ |
---|
| 859 | |
---|
| 860 | rv = None |
---|
| 861 | for i in info: |
---|
| 862 | if i.get('portal', "") == key: |
---|
| 863 | rv = i.copy() |
---|
| 864 | break |
---|
| 865 | else: |
---|
| 866 | return rv |
---|
| 867 | |
---|
| 868 | if 'fedAttr' in rv: |
---|
| 869 | for a in rv['fedAttr']: |
---|
| 870 | attr = a.get('attribute', "") |
---|
| 871 | val = a.get('value', "") |
---|
| 872 | if attr and attr not in rv: |
---|
| 873 | rv[attr] = val |
---|
| 874 | del rv['fedAttr'] |
---|
| 875 | return rv |
---|
| 876 | |
---|
| 877 | # XXX: un hardcode this |
---|
| 878 | def client_null(f, s): pass |
---|
| 879 | |
---|
| 880 | def client_smb(f, s): |
---|
| 881 | smbshare = None |
---|
| 882 | smbuser = None |
---|
| 883 | smbproj = None |
---|
| 884 | for a in s.get('fedAttr', []): |
---|
| 885 | if a.get('attribute', '') == 'SMBSHARE': |
---|
| 886 | smbshare = a.get('value', None) |
---|
| 887 | elif a.get('attribute', '') == 'SMBUSER': |
---|
| 888 | smbuser = a.get('value', None) |
---|
| 889 | elif a.get('attribute', '') == 'SMBPROJ': |
---|
| 890 | smbproj = a.get('value', None) |
---|
| 891 | |
---|
| 892 | if all((smbshare, smbuser, smbproj)): |
---|
| 893 | print >>f, "SMBshare: %s" % smbshare |
---|
| 894 | print >>f, "ProjectUser: %s" % smbuser |
---|
| 895 | print >>f, "ProjectName: %s" % smbproj |
---|
| 896 | |
---|
| 897 | client_service_out = { |
---|
| 898 | 'SMB': client_smb, |
---|
| 899 | 'tmcd': client_null, |
---|
| 900 | 'seer': client_null, |
---|
| 901 | 'userconfig': client_null, |
---|
| 902 | } |
---|
| 903 | # XXX: end un hardcode this |
---|
| 904 | |
---|
[ecca6eb] | 905 | |
---|
| 906 | seer_out = False |
---|
[1da6a23] | 907 | client_out = False |
---|
[e2a7a413] | 908 | for e in [ e for e in topo.elements \ |
---|
[f9ef40b] | 909 | if isinstance(e, topdl.Computer) and e.get_attribute('portal')]: |
---|
| 910 | myname = e.name[0] |
---|
[ecca6eb] | 911 | type = e.get_attribute('portal_type') |
---|
[f9ef40b] | 912 | |
---|
[e02cd14] | 913 | info = conninfo_to_dict(myname, connInfo) |
---|
| 914 | |
---|
| 915 | if not info: |
---|
| 916 | raise service_error(service_error.req, |
---|
| 917 | "No connectivity info for %s" % myname) |
---|
| 918 | |
---|
| 919 | peer = info.get('peer', "") |
---|
| 920 | ldomain = self.domain; |
---|
| 921 | |
---|
| 922 | mexp = info.get('masterexperiment',"") |
---|
| 923 | mproj, meid = mexp.split("/", 1) |
---|
| 924 | mdomain = info.get('masterdomain',"") |
---|
| 925 | muser = info.get('masteruser','root') |
---|
| 926 | smbshare = info.get('smbshare', 'USERS') |
---|
| 927 | |
---|
| 928 | active = info.get('active', 'False') |
---|
| 929 | |
---|
[b236eed] | 930 | |
---|
[0297248] | 931 | cfn = "%s/%s.gw.conf" % (tmpdir, myname.lower()) |
---|
[1da6a23] | 932 | tunnelconfig = self.attrs.has_key('TunnelCfg') |
---|
[f9ef40b] | 933 | try: |
---|
| 934 | f = open(cfn, "w") |
---|
[0297248] | 935 | if active == 'True': |
---|
| 936 | if type in ('control', 'both'): |
---|
[e02cd14] | 937 | for s in [s for s in services \ |
---|
| 938 | if s.get('name', "") in self.imports]: |
---|
| 939 | p = urlparse(s.get('server', 'http://localhost')) |
---|
| 940 | print >>f, 'port: remote:%s:%s:%s' % \ |
---|
| 941 | (p.port, p.hostname, p.port) |
---|
[0297248] | 942 | |
---|
| 943 | if tunnelconfig: |
---|
| 944 | print >>f, "tunnelip: %s" % tunnelconfig |
---|
[e02cd14] | 945 | # XXX: send this an fedattr |
---|
| 946 | #print >>f, "seercontrol: control.%s.%s%s" % \ |
---|
| 947 | #(meid.lower(), mproj.lower(), mdomain) |
---|
| 948 | print >>f, "peer: %s" % peer.lower() |
---|
[0297248] | 949 | print >>f, "ssh_pubkey: /proj/%s/exp/%s/tmp/%s" % \ |
---|
[f9ef40b] | 950 | (lproj, leid, pubkey_base) |
---|
[0297248] | 951 | print >>f, "ssh_privkey: /proj/%s/exp/%s/tmp/%s" % \ |
---|
[f9ef40b] | 952 | (lproj, leid, secretkey_base) |
---|
| 953 | f.close() |
---|
| 954 | except IOError, e: |
---|
| 955 | raise service_error(service_error.internal, |
---|
| 956 | "Can't write protal config %s: %s" % (cfn, e)) |
---|
[ecca6eb] | 957 | |
---|
| 958 | # XXX: This little seer config file needs to go away. |
---|
| 959 | if not seer_out: |
---|
| 960 | try: |
---|
| 961 | seerfn = "%s/seer.conf" % tmpdir |
---|
| 962 | f = open(seerfn, "w") |
---|
| 963 | if not master: |
---|
| 964 | print >>f, "ControlNode: control.%s.%s%s" % \ |
---|
| 965 | (meid.lower(), mproj.lower(), mdomain) |
---|
| 966 | print >>f, "ExperimentID: %s" % mexp |
---|
| 967 | f.close() |
---|
| 968 | except IOError, e: |
---|
| 969 | raise service_error(service_error.internal, |
---|
| 970 | "Can't write seer.conf: %s" %e) |
---|
| 971 | seer_out = True |
---|
| 972 | |
---|
[1da6a23] | 973 | if not client_out and type in ('control', 'both'): |
---|
| 974 | try: |
---|
| 975 | f = open("%s/client.conf" % tmpdir, "w") |
---|
| 976 | print >>f, "ControlGateway: %s.%s.%s%s" % \ |
---|
| 977 | (myname.lower(), leid.lower(), lproj.lower(), |
---|
| 978 | ldomain.lower()) |
---|
[e02cd14] | 979 | for s in services: |
---|
| 980 | if s.get('name',"") in self.imports: |
---|
| 981 | client_service_out[s['name']](f, s) |
---|
| 982 | # Does seer need this? |
---|
| 983 | # print >>f, "ExperimentID: %s/%s" % (mproj, meid) |
---|
[1da6a23] | 984 | f.close() |
---|
| 985 | except IOError, e: |
---|
| 986 | raise service_error(service_error.internal, |
---|
| 987 | "Cannot write client.conf: %s" %s) |
---|
| 988 | client_out = True |
---|
| 989 | |
---|
[ecca6eb] | 990 | |
---|
| 991 | def generate_ns2(self, topo, expfn, softdir, master): |
---|
[69692a9] | 992 | def dragon_commands(e): |
---|
| 993 | s = "" |
---|
| 994 | if isinstance(e, topdl.Computer): |
---|
| 995 | for i in e.interface: |
---|
| 996 | vlan = i.get_attribute('dragon_vlan') |
---|
| 997 | if vlan: |
---|
| 998 | type = i.get_attribute('dragon_type') |
---|
| 999 | ip = i.get_attribute('ip4_address') |
---|
| 1000 | if type == 'link': |
---|
| 1001 | s = ("tb-allow-external $%s dragonportal " + \ |
---|
| 1002 | "ip %s vlan %s\n") % \ |
---|
| 1003 | (topdl.to_tcl_name(e.name[0]), ip, vlan) |
---|
| 1004 | elif type == 'lan': |
---|
| 1005 | s = ("tb-allow-external $%s dragonportal " + \ |
---|
| 1006 | "ip %s vlan %s usurp %s\n") % \ |
---|
| 1007 | (topdl.to_tcl_name(e.name[0]), ip, vlan, |
---|
| 1008 | i.substrate[0]) |
---|
| 1009 | else: |
---|
| 1010 | raise service_error(service_error_internal, |
---|
| 1011 | "Unknown DRAGON type %s" % type) |
---|
| 1012 | return s |
---|
| 1013 | |
---|
| 1014 | def not_dragon(e): |
---|
| 1015 | return all([not i.get_attribute('dragon_vlan') \ |
---|
| 1016 | for i in e.interface]) |
---|
| 1017 | |
---|
[ecca6eb] | 1018 | t = topo.clone() |
---|
| 1019 | |
---|
[43649f1] | 1020 | # The startcmds for master and slave testbeds |
---|
| 1021 | if master: |
---|
| 1022 | gate_cmd = self.attrs.get('MasterConnectorStartCmd', '/bin/true') |
---|
| 1023 | node_cmd = self.attrs.get('MasterNodeStartCmd', 'bin/true') |
---|
| 1024 | else: |
---|
| 1025 | gate_cmd = self.attrs.get('SlaveConnectorStartCmd', '/bin/true') |
---|
| 1026 | node_cmd = self.attrs.get('SlaveNodeStartCmd', 'bin/true') |
---|
[0297248] | 1027 | |
---|
[35aa3ae] | 1028 | # Weed out the things we aren't going to instantiate: Segments, portal |
---|
| 1029 | # substrates, and portal interfaces. (The copy in the for loop allows |
---|
| 1030 | # us to delete from e.elements in side the for loop). While we're |
---|
| 1031 | # touching all the elements, we also adjust paths from the original |
---|
| 1032 | # testbed to local testbed paths and put the federation commands into |
---|
| 1033 | # the start commands |
---|
| 1034 | for e in [e for e in t.elements]: |
---|
| 1035 | if isinstance(e, topdl.Segment): |
---|
| 1036 | t.elements.remove(e) |
---|
| 1037 | # Fix software paths |
---|
[ecca6eb] | 1038 | for s in getattr(e, 'software', []): |
---|
| 1039 | s.location = re.sub("^.*/", softdir, s.location) |
---|
[43649f1] | 1040 | if isinstance(e, topdl.Computer): |
---|
[35aa3ae] | 1041 | if e.get_attribute('portal') and gate_cmd: |
---|
[43649f1] | 1042 | # Portals never have a user-specified start command |
---|
| 1043 | e.set_attribute('startup', gate_cmd) |
---|
[35aa3ae] | 1044 | elif node_cmd: |
---|
[43649f1] | 1045 | if e.get_attribute('startup'): |
---|
| 1046 | s.set_attribute('startup', "%s \\$USER '%s'" % \ |
---|
| 1047 | (node_cmd, e.get_attribute('startup'))) |
---|
| 1048 | else: |
---|
| 1049 | s.set_attribute('startup', node_cmd) |
---|
[0297248] | 1050 | |
---|
[35aa3ae] | 1051 | # Remove portal interfaces that do not connect to DRAGON |
---|
| 1052 | e.interface = [i for i in e.interface \ |
---|
| 1053 | if not i.get_attribute('portal') or \ |
---|
| 1054 | i.get_attribute('dragon_vlan')] |
---|
| 1055 | |
---|
| 1056 | t.substrates = [ s.clone() for s in t.substrates ] |
---|
| 1057 | t.incorporate_elements() |
---|
[ecca6eb] | 1058 | |
---|
| 1059 | # Customize the ns2 output for local portal commands and images |
---|
| 1060 | filters = [] |
---|
| 1061 | |
---|
[43649f1] | 1062 | # NB: these are extra commands issued for the node, not the startcmds |
---|
| 1063 | if master: cmd = self.attrs.get('MasterConnectorCmd', '') |
---|
| 1064 | else: cmd = self.attrs.get('SlaveConnectorCmd', '') |
---|
[ecca6eb] | 1065 | |
---|
[69692a9] | 1066 | if self.attrs.has_key('dragon'): |
---|
| 1067 | add_filter = not_dragon |
---|
| 1068 | filters.append(dragon_commands) |
---|
| 1069 | else: |
---|
| 1070 | add_filter = None |
---|
| 1071 | |
---|
[43649f1] | 1072 | if cmd: |
---|
| 1073 | filters.append(topdl.generate_portal_command_filter(cmd, |
---|
| 1074 | add_filter=add_filter)) |
---|
[ecca6eb] | 1075 | |
---|
| 1076 | if self.attrs.has_key('connectorImage'): |
---|
| 1077 | filters.append(topdl.generate_portal_image_filter( |
---|
| 1078 | self.attrs.get('connectorImage'))) |
---|
| 1079 | |
---|
| 1080 | if self.attrs.has_key('connectorType'): |
---|
| 1081 | filters.append(topdl.generate_portal_hardware_filter( |
---|
| 1082 | self.attrs.get('connectorType'))) |
---|
| 1083 | |
---|
| 1084 | # Convert to ns and write it out |
---|
| 1085 | expfile = topdl.topology_to_ns2(t, filters) |
---|
| 1086 | try: |
---|
| 1087 | f = open(expfn, "w") |
---|
| 1088 | print >>f, expfile |
---|
| 1089 | f.close() |
---|
| 1090 | except IOError: |
---|
| 1091 | raise service_error(service_error.internal, |
---|
| 1092 | "Cannot write experiment file %s: %s" % (expfn,e)) |
---|
[f9ef40b] | 1093 | |
---|
[cc8d8e9] | 1094 | def StartSegment(self, req, fid): |
---|
[574055e] | 1095 | def get_url(url, cf, destdir): |
---|
[6c57fe9] | 1096 | po = urlparse(url) |
---|
| 1097 | fn = po.path.rpartition('/')[2] |
---|
| 1098 | try: |
---|
| 1099 | conn = httplib.HTTPSConnection(po.hostname, port=po.port, |
---|
| 1100 | cert_file=cf, key_file=cf) |
---|
| 1101 | conn.putrequest('GET', po.path) |
---|
| 1102 | conn.endheaders() |
---|
| 1103 | response = conn.getresponse() |
---|
| 1104 | |
---|
[574055e] | 1105 | lf = open("%s/%s" % (destdir, fn), "w") |
---|
[6c57fe9] | 1106 | buf = response.read(4096) |
---|
| 1107 | while buf: |
---|
| 1108 | lf.write(buf) |
---|
| 1109 | buf = response.read(4096) |
---|
| 1110 | lf.close() |
---|
| 1111 | except IOError, e: |
---|
| 1112 | raise service_error(service_error.internal, |
---|
| 1113 | "Erro writing tempfile: %s" %e) |
---|
| 1114 | except httplib.HTTPException, e: |
---|
| 1115 | raise service_error(service_error.internal, |
---|
| 1116 | "Error retrieving data: %s" % e) |
---|
| 1117 | |
---|
| 1118 | configs = set(('hosts', 'ssh_pubkey', 'ssh_secretkey')) |
---|
| 1119 | |
---|
[b770aa0] | 1120 | err = None # Any service_error generated after tmpdir is created |
---|
| 1121 | rv = None # Return value from segment creation |
---|
| 1122 | |
---|
[cc8d8e9] | 1123 | try: |
---|
| 1124 | req = req['StartSegmentRequestBody'] |
---|
| 1125 | except KeyError: |
---|
| 1126 | raise service_error(server_error.req, "Badly formed request") |
---|
[ecca6eb] | 1127 | |
---|
[e02cd14] | 1128 | connInfo = req.get('connection', []) |
---|
| 1129 | services = req.get('service', []) |
---|
[cc8d8e9] | 1130 | auth_attr = req['allocID']['fedid'] |
---|
[ecca6eb] | 1131 | aid = "%s" % auth_attr |
---|
[6c57fe9] | 1132 | attrs = req.get('fedAttr', []) |
---|
[ecca6eb] | 1133 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 1134 | raise service_error(service_error.access, "Access denied") |
---|
[6c57fe9] | 1135 | |
---|
| 1136 | if req.has_key('segmentdescription') and \ |
---|
| 1137 | req['segmentdescription'].has_key('topdldescription'): |
---|
| 1138 | topo = \ |
---|
| 1139 | topdl.Topology(**req['segmentdescription']['topdldescription']) |
---|
| 1140 | else: |
---|
| 1141 | raise service_error(service_error.req, |
---|
| 1142 | "Request missing segmentdescription'") |
---|
| 1143 | |
---|
[ecca6eb] | 1144 | master = req.get('master', False) |
---|
| 1145 | |
---|
[6c57fe9] | 1146 | certfile = "%s/%s.pem" % (self.certdir, auth_attr) |
---|
| 1147 | try: |
---|
| 1148 | tmpdir = tempfile.mkdtemp(prefix="access-") |
---|
[ecca6eb] | 1149 | softdir = "%s/software" % tmpdir |
---|
[6c57fe9] | 1150 | except IOError: |
---|
| 1151 | raise service_error(service_error.internal, "Cannot create tmp dir") |
---|
| 1152 | |
---|
[b770aa0] | 1153 | # Try block alllows us to clean up temporary files. |
---|
| 1154 | try: |
---|
| 1155 | sw = set() |
---|
| 1156 | for e in topo.elements: |
---|
| 1157 | for s in getattr(e, 'software', []): |
---|
| 1158 | sw.add(s.location) |
---|
| 1159 | if len(sw) > 0: |
---|
| 1160 | os.mkdir(softdir) |
---|
| 1161 | for s in sw: |
---|
[e02cd14] | 1162 | self.log.debug("Retrieving %s" % s) |
---|
[b770aa0] | 1163 | get_url(s, certfile, softdir) |
---|
| 1164 | |
---|
| 1165 | for a in attrs: |
---|
| 1166 | if a['attribute'] in configs: |
---|
| 1167 | get_url(a['value'], certfile, tmpdir) |
---|
| 1168 | if a['attribute'] == 'ssh_pubkey': |
---|
| 1169 | pubkey_base = a['value'].rpartition('/')[2] |
---|
| 1170 | if a['attribute'] == 'ssh_secretkey': |
---|
| 1171 | secretkey_base = a['value'].rpartition('/')[2] |
---|
| 1172 | if a['attribute'] == 'experiment_name': |
---|
| 1173 | ename = a['value'] |
---|
| 1174 | |
---|
| 1175 | proj = None |
---|
| 1176 | user = None |
---|
| 1177 | self.state_lock.acquire() |
---|
| 1178 | if self.allocation.has_key(aid): |
---|
| 1179 | proj = self.allocation[aid].get('project', None) |
---|
| 1180 | if not proj: |
---|
| 1181 | proj = self.allocation[aid].get('sproject', None) |
---|
| 1182 | user = self.allocation[aid].get('user', None) |
---|
| 1183 | self.allocation[aid]['experiment'] = ename |
---|
[f07fa49] | 1184 | self.allocation[aid]['log'] = [ ] |
---|
| 1185 | # Create a logger that logs to the experiment's state object as |
---|
| 1186 | # well as to the main log file. |
---|
| 1187 | alloc_log = logging.getLogger('fedd.access.%s' % ename) |
---|
| 1188 | h = logging.StreamHandler( |
---|
| 1189 | list_log.list_log(self.allocation[aid]['log'])) |
---|
| 1190 | # XXX: there should be a global one of these rather than |
---|
| 1191 | # repeating the code. |
---|
| 1192 | h.setFormatter(logging.Formatter( |
---|
| 1193 | "%(asctime)s %(name)s %(message)s", |
---|
| 1194 | '%d %b %y %H:%M:%S')) |
---|
| 1195 | alloc_log.addHandler(h) |
---|
[b770aa0] | 1196 | self.write_state() |
---|
| 1197 | self.state_lock.release() |
---|
| 1198 | |
---|
| 1199 | if not proj: |
---|
| 1200 | raise service_error(service_error.internal, |
---|
| 1201 | "Can't find project for %s" %aid) |
---|
| 1202 | |
---|
| 1203 | if not user: |
---|
| 1204 | raise service_error(service_error.internal, |
---|
| 1205 | "Can't find creation user for %s" %aid) |
---|
| 1206 | |
---|
| 1207 | expfile = "%s/experiment.tcl" % tmpdir |
---|
| 1208 | |
---|
| 1209 | self.generate_portal_configs(topo, pubkey_base, |
---|
[e02cd14] | 1210 | secretkey_base, tmpdir, master, proj, ename, connInfo, |
---|
| 1211 | services) |
---|
[b770aa0] | 1212 | self.generate_ns2(topo, expfile, |
---|
| 1213 | "/proj/%s/software/%s/" % (proj, ename), master) |
---|
[f07fa49] | 1214 | |
---|
[b770aa0] | 1215 | starter = self.start_segment(keyfile=self.ssh_privkey_file, |
---|
[f07fa49] | 1216 | debug=self.create_debug, log=alloc_log) |
---|
[b770aa0] | 1217 | rv = starter(self, ename, proj, user, expfile, tmpdir) |
---|
| 1218 | except service_error, e: |
---|
| 1219 | err = e |
---|
[e02cd14] | 1220 | except e: |
---|
| 1221 | err = service_error(service_error.internal, str(e)) |
---|
[b770aa0] | 1222 | |
---|
[574055e] | 1223 | # Walk up tmpdir, deleting as we go |
---|
[69692a9] | 1224 | if self.cleanup: |
---|
| 1225 | self.log.debug("[StartSegment]: removing %s" % tmpdir) |
---|
| 1226 | for path, dirs, files in os.walk(tmpdir, topdown=False): |
---|
| 1227 | for f in files: |
---|
| 1228 | os.remove(os.path.join(path, f)) |
---|
| 1229 | for d in dirs: |
---|
| 1230 | os.rmdir(os.path.join(path, d)) |
---|
| 1231 | os.rmdir(tmpdir) |
---|
| 1232 | else: |
---|
| 1233 | self.log.debug("[StartSegment]: not removing %s" % tmpdir) |
---|
[574055e] | 1234 | |
---|
[fd556d1] | 1235 | if rv: |
---|
[f07fa49] | 1236 | # Grab the log (this is some anal locking, but better safe than |
---|
| 1237 | # sorry) |
---|
| 1238 | self.state_lock.acquire() |
---|
| 1239 | logv = "".join(self.allocation[aid]['log']) |
---|
| 1240 | self.state_lock.release() |
---|
| 1241 | |
---|
| 1242 | return { 'allocID': req['allocID'], 'allocationLog': logv } |
---|
[b770aa0] | 1243 | elif err: |
---|
| 1244 | raise service_error(service_error.federant, |
---|
| 1245 | "Swapin failed: %s" % err) |
---|
[fd556d1] | 1246 | else: |
---|
| 1247 | raise service_error(service_error.federant, "Swapin failed") |
---|
[5ae3857] | 1248 | |
---|
| 1249 | def TerminateSegment(self, req, fid): |
---|
| 1250 | try: |
---|
| 1251 | req = req['TerminateSegmentRequestBody'] |
---|
| 1252 | except KeyError: |
---|
| 1253 | raise service_error(server_error.req, "Badly formed request") |
---|
| 1254 | |
---|
| 1255 | auth_attr = req['allocID']['fedid'] |
---|
| 1256 | aid = "%s" % auth_attr |
---|
| 1257 | attrs = req.get('fedAttr', []) |
---|
| 1258 | if not self.auth.check_attribute(fid, auth_attr): |
---|
| 1259 | raise service_error(service_error.access, "Access denied") |
---|
| 1260 | |
---|
| 1261 | self.state_lock.acquire() |
---|
| 1262 | if self.allocation.has_key(aid): |
---|
| 1263 | proj = self.allocation[aid].get('project', None) |
---|
| 1264 | if not proj: |
---|
| 1265 | proj = self.allocation[aid].get('sproject', None) |
---|
| 1266 | user = self.allocation[aid].get('user', None) |
---|
| 1267 | ename = self.allocation[aid].get('experiment', None) |
---|
[1d913e13] | 1268 | else: |
---|
| 1269 | proj = None |
---|
| 1270 | user = None |
---|
| 1271 | ename = None |
---|
[5ae3857] | 1272 | self.state_lock.release() |
---|
| 1273 | |
---|
| 1274 | if not proj: |
---|
| 1275 | raise service_error(service_error.internal, |
---|
| 1276 | "Can't find project for %s" % aid) |
---|
| 1277 | |
---|
| 1278 | if not user: |
---|
| 1279 | raise service_error(service_error.internal, |
---|
| 1280 | "Can't find creation user for %s" % aid) |
---|
| 1281 | if not ename: |
---|
| 1282 | raise service_error(service_error.internal, |
---|
| 1283 | "Can't find experiment name for %s" % aid) |
---|
[fd556d1] | 1284 | stopper = self.stop_segment(keyfile=self.ssh_privkey_file, |
---|
| 1285 | debug=self.create_debug) |
---|
[5ae3857] | 1286 | stopper(self, user, proj, ename) |
---|
| 1287 | return { 'allocID': req['allocID'] } |
---|