[6679c122] | 1 | #!/usr/local/bin/python |
---|
| 2 | |
---|
| 3 | import os,sys |
---|
| 4 | |
---|
| 5 | import re |
---|
| 6 | import random |
---|
| 7 | import string |
---|
| 8 | import subprocess |
---|
| 9 | import tempfile |
---|
| 10 | import copy |
---|
[eee2b2e] | 11 | import pickle |
---|
[c971895] | 12 | import logging |
---|
[6679c122] | 13 | |
---|
[3441fe3] | 14 | import traceback |
---|
[c971895] | 15 | # For parsing visualization output and splitter output |
---|
| 16 | import xml.parsers.expat |
---|
[3441fe3] | 17 | |
---|
[1af38d6] | 18 | from threading import * |
---|
[6679c122] | 19 | from subprocess import * |
---|
| 20 | |
---|
| 21 | from fedd_services import * |
---|
| 22 | from fedd_internal_services import * |
---|
| 23 | from fedd_util import * |
---|
[51cc9df] | 24 | from fedid import fedid, generate_fedid |
---|
[9460b1e] | 25 | from remote_service import xmlrpc_handler, soap_handler, service_caller |
---|
[6679c122] | 26 | import parse_detail |
---|
[c971895] | 27 | from service_error import service_error |
---|
[6679c122] | 28 | |
---|
[11a08b0] | 29 | |
---|
| 30 | class nullHandler(logging.Handler): |
---|
| 31 | def emit(self, record): pass |
---|
| 32 | |
---|
| 33 | fl = logging.getLogger("fedd.experiment_control") |
---|
| 34 | fl.addHandler(nullHandler()) |
---|
| 35 | |
---|
[19cc408] | 36 | class fedd_experiment_control_local: |
---|
[0ea11af] | 37 | """ |
---|
| 38 | Control of experiments that this system can directly access. |
---|
| 39 | |
---|
| 40 | Includes experiment creation, termination and information dissemination. |
---|
| 41 | Thred safe. |
---|
| 42 | """ |
---|
[6679c122] | 43 | |
---|
[1af38d6] | 44 | class thread_pool: |
---|
[0ea11af] | 45 | """ |
---|
| 46 | A class to keep track of a set of threads all invoked for the same |
---|
| 47 | task. Manages the mutual exclusion of the states. |
---|
| 48 | """ |
---|
[1af38d6] | 49 | def __init__(self): |
---|
[0ea11af] | 50 | """ |
---|
| 51 | Start a pool. |
---|
| 52 | """ |
---|
[1af38d6] | 53 | self.changed = Condition() |
---|
| 54 | self.started = 0 |
---|
| 55 | self.terminated = 0 |
---|
| 56 | |
---|
| 57 | def acquire(self): |
---|
[0ea11af] | 58 | """ |
---|
| 59 | Get the pool's lock. |
---|
| 60 | """ |
---|
[1af38d6] | 61 | self.changed.acquire() |
---|
| 62 | |
---|
| 63 | def release(self): |
---|
[0ea11af] | 64 | """ |
---|
| 65 | Release the pool's lock. |
---|
| 66 | """ |
---|
[1af38d6] | 67 | self.changed.release() |
---|
| 68 | |
---|
| 69 | def wait(self, timeout = None): |
---|
[0ea11af] | 70 | """ |
---|
| 71 | Wait for a pool thread to start or stop. |
---|
| 72 | """ |
---|
[1af38d6] | 73 | self.changed.wait(timeout) |
---|
| 74 | |
---|
| 75 | def start(self): |
---|
[0ea11af] | 76 | """ |
---|
| 77 | Called by a pool thread to report starting. |
---|
| 78 | """ |
---|
[1af38d6] | 79 | self.changed.acquire() |
---|
| 80 | self.started += 1 |
---|
| 81 | self.changed.notifyAll() |
---|
| 82 | self.changed.release() |
---|
| 83 | |
---|
| 84 | def terminate(self): |
---|
[0ea11af] | 85 | """ |
---|
| 86 | Called by a pool thread to report finishing. |
---|
| 87 | """ |
---|
[1af38d6] | 88 | self.changed.acquire() |
---|
| 89 | self.terminated += 1 |
---|
| 90 | self.changed.notifyAll() |
---|
| 91 | self.changed.release() |
---|
| 92 | |
---|
| 93 | def clear(self): |
---|
[0ea11af] | 94 | """ |
---|
| 95 | Clear all pool data. |
---|
| 96 | """ |
---|
[1af38d6] | 97 | self.changed.acquire() |
---|
| 98 | self.started = 0 |
---|
| 99 | self.terminated =0 |
---|
| 100 | self.changed.notifyAll() |
---|
| 101 | self.changed.release() |
---|
| 102 | |
---|
| 103 | class pooled_thread(Thread): |
---|
[0ea11af] | 104 | """ |
---|
| 105 | One of a set of threads dedicated to a specific task. Uses the |
---|
| 106 | thread_pool class above for coordination. |
---|
| 107 | """ |
---|
[1af38d6] | 108 | def __init__(self, group=None, target=None, name=None, args=(), |
---|
[3441fe3] | 109 | kwargs={}, pdata=None, trace_file=None): |
---|
[1af38d6] | 110 | Thread.__init__(self, group, target, name, args, kwargs) |
---|
[0ea11af] | 111 | self.rv = None # Return value of the ops in this thread |
---|
| 112 | self.exception = None # Exception that terminated this thread |
---|
| 113 | self.target=target # Target function to run on start() |
---|
| 114 | self.args = args # Args to pass to target |
---|
| 115 | self.kwargs = kwargs # Additional kw args |
---|
| 116 | self.pdata = pdata # thread_pool for this class |
---|
| 117 | # Logger for this thread |
---|
| 118 | self.log = logging.getLogger("fedd.experiment_control") |
---|
[1af38d6] | 119 | |
---|
| 120 | def run(self): |
---|
[0ea11af] | 121 | """ |
---|
| 122 | Emulate Thread.run, except add pool data manipulation and error |
---|
| 123 | logging. |
---|
| 124 | """ |
---|
[1af38d6] | 125 | if self.pdata: |
---|
| 126 | self.pdata.start() |
---|
| 127 | |
---|
| 128 | if self.target: |
---|
| 129 | try: |
---|
| 130 | self.rv = self.target(*self.args, **self.kwargs) |
---|
[3441fe3] | 131 | except service_error, s: |
---|
| 132 | self.exception = s |
---|
[0ea11af] | 133 | self.log.error("Thread exception: %s %s" % \ |
---|
| 134 | (s.code_string(), s.desc)) |
---|
[3441fe3] | 135 | except: |
---|
| 136 | self.exception = sys.exc_info()[1] |
---|
[0ea11af] | 137 | self.log.error(("Unexpected thread exception: %s" +\ |
---|
| 138 | "Trace %s") % (self.exception,\ |
---|
| 139 | traceback.format_exc())) |
---|
[1af38d6] | 140 | if self.pdata: |
---|
| 141 | self.pdata.terminate() |
---|
[6679c122] | 142 | |
---|
[058f58e] | 143 | call_RequestAccess = service_caller('RequestAccess', |
---|
| 144 | 'getfeddPortType', feddServiceLocator, |
---|
| 145 | RequestAccessRequestMessage, 'RequestAccessRequestBody') |
---|
| 146 | |
---|
| 147 | call_ReleaseAccess = service_caller('ReleaseAccess', |
---|
| 148 | 'getfeddPortType', feddServiceLocator, |
---|
| 149 | ReleaseAccessRequestMessage, 'ReleaseAccessRequestBody') |
---|
| 150 | |
---|
| 151 | call_Ns2Split = service_caller('Ns2Split', |
---|
| 152 | 'getfeddInternalPortType', feddInternalServiceLocator, |
---|
| 153 | Ns2SplitRequestMessage, 'Ns2SplitRequestBody') |
---|
| 154 | |
---|
[3f6bc5f] | 155 | def __init__(self, config=None, auth=None): |
---|
[0ea11af] | 156 | """ |
---|
| 157 | Intialize the various attributes, most from the config object |
---|
| 158 | """ |
---|
[19cc408] | 159 | self.thread_with_rv = fedd_experiment_control_local.pooled_thread |
---|
| 160 | self.thread_pool = fedd_experiment_control_local.thread_pool |
---|
| 161 | |
---|
| 162 | self.cert_file = None |
---|
| 163 | self.cert_pwd = None |
---|
| 164 | self.trusted_certs = None |
---|
| 165 | |
---|
[eee2b2e] | 166 | # Walk through the various relevant certificat specifying config |
---|
| 167 | # attributes until the local certificate attributes can be resolved. |
---|
[0ea11af] | 168 | # The walk is from most specific to most general specification. |
---|
[72ed6e4] | 169 | for s in ("experiment_control", "globals"): |
---|
| 170 | if config.has_section(s): |
---|
| 171 | if config.has_option(s, "cert_file"): |
---|
| 172 | if not self.cert_file: |
---|
| 173 | self.cert_file = config.get(s, "cert_file") |
---|
| 174 | self.cert_pwd = config.get(s, "cert_pwd") |
---|
[eee2b2e] | 175 | |
---|
[72ed6e4] | 176 | if config.has_option(s, "trusted_certs"): |
---|
| 177 | if not self.trusted_certs: |
---|
| 178 | self.trusted_certs = config.get(s, "trusted_certs") |
---|
[19cc408] | 179 | |
---|
[4064742] | 180 | |
---|
[19cc408] | 181 | self.exp_stem = "fed-stem" |
---|
[11a08b0] | 182 | self.log = logging.getLogger("fedd.experiment_control") |
---|
[34bc05c] | 183 | set_log_level(config, "experiment_control", self.log) |
---|
[19cc408] | 184 | self.muxmax = 2 |
---|
| 185 | self.nthreads = 2 |
---|
| 186 | self.randomize_experiments = False |
---|
[72ed6e4] | 187 | |
---|
[19cc408] | 188 | self.scp_exec = "/usr/bin/scp" |
---|
| 189 | self.splitter = None |
---|
| 190 | self.ssh_exec="/usr/bin/ssh" |
---|
| 191 | self.ssh_keygen = "/usr/bin/ssh-keygen" |
---|
| 192 | self.ssh_identity_file = None |
---|
[72ed6e4] | 193 | |
---|
[34bc05c] | 194 | |
---|
[bf0a80e] | 195 | self.debug = config.getboolean("experiment_control", "create_debug") |
---|
| 196 | self.state_filename = config.get("experiment_control", |
---|
| 197 | "experiment_state_file") |
---|
| 198 | self.splitter_url = config.get("experiment_control", "splitter_url") |
---|
| 199 | self.fedkit = config.get("experiment_control", "fedkit") |
---|
| 200 | accessdb_file = config.get("experiment_control", "accessdb") |
---|
[72ed6e4] | 201 | |
---|
[721705e9] | 202 | self.ssh_pubkey_file = config.get("experiment_control", |
---|
| 203 | "ssh_pubkey_file") |
---|
| 204 | self.ssh_privkey_file = config.get("experiment_control", |
---|
| 205 | "ssh_privkey_file") |
---|
| 206 | # NB for internal master/slave ops, not experiment setup |
---|
| 207 | self.ssh_type = config.get("experiment_control", "sshkeytype", "rsa") |
---|
[19cc408] | 208 | self.state = { } |
---|
[a97394b] | 209 | self.state_lock = Lock() |
---|
[19cc408] | 210 | self.tclsh = "/usr/local/bin/otclsh" |
---|
| 211 | self.tcl_splitter = "/usr/testbed/lib/ns2ir/parse.tcl" |
---|
[34bc05c] | 212 | mapdb_file = config.get("experiment_control", "mapdb") |
---|
[19cc408] | 213 | self.trace_file = sys.stderr |
---|
| 214 | |
---|
| 215 | self.def_expstart = \ |
---|
[2c6128f] | 216 | "sudo -H /bin/sh /usr/local/federation/bin/federate.sh >& " +\ |
---|
| 217 | "/tmp/federate"; |
---|
| 218 | self.def_mexpstart = "sudo -H /usr/local/federation/bin/make_hosts " +\ |
---|
| 219 | "FEDDIR/hosts"; |
---|
[19cc408] | 220 | self.def_gwstart = \ |
---|
[2c6128f] | 221 | "sudo -H /usr/local/federation/bin/fed-tun.pl -f GWCONF>& " +\ |
---|
| 222 | "/tmp/bridge.log"; |
---|
[19cc408] | 223 | self.def_mgwstart = \ |
---|
[2c6128f] | 224 | "sudo -H /usr/local/federation/bin/fed-tun.pl -f GWCONF >& " +\ |
---|
| 225 | "/tmp/bridge.log"; |
---|
[19cc408] | 226 | self.def_gwimage = "FBSD61-TUNNEL2"; |
---|
| 227 | self.def_gwtype = "pc"; |
---|
| 228 | |
---|
[34bc05c] | 229 | if auth: |
---|
| 230 | self.auth = auth |
---|
| 231 | else: |
---|
| 232 | self.log.error(\ |
---|
| 233 | "[access]: No authorizer initialized, creating local one.") |
---|
| 234 | auth = authorizer() |
---|
| 235 | |
---|
[19cc408] | 236 | |
---|
| 237 | if self.ssh_pubkey_file: |
---|
| 238 | try: |
---|
| 239 | f = open(self.ssh_pubkey_file, 'r') |
---|
| 240 | self.ssh_pubkey = f.read() |
---|
| 241 | f.close() |
---|
| 242 | except IOError: |
---|
| 243 | raise service_error(service_error.internal, |
---|
| 244 | "Cannot read sshpubkey") |
---|
[721705e9] | 245 | else: |
---|
| 246 | raise service_error(service_error.internal, |
---|
| 247 | "No SSH public key file?") |
---|
| 248 | |
---|
| 249 | if not self.ssh_privkey_file: |
---|
| 250 | raise service_error(service_error.internal, |
---|
| 251 | "No SSH public key file?") |
---|
[19cc408] | 252 | |
---|
[11a08b0] | 253 | |
---|
[34bc05c] | 254 | if mapdb_file: |
---|
| 255 | self.read_mapdb(mapdb_file) |
---|
| 256 | print self.tbmap |
---|
[4064742] | 257 | else: |
---|
[34bc05c] | 258 | self.log.warn("[experiment_control] No testbed map, using defaults") |
---|
| 259 | self.tbmap = { |
---|
| 260 | 'deter':'https://users.isi.deterlab.net:23235', |
---|
| 261 | 'emulab':'https://users.isi.deterlab.net:23236', |
---|
| 262 | 'ucb':'https://users.isi.deterlab.net:23237', |
---|
| 263 | } |
---|
[4064742] | 264 | |
---|
| 265 | if accessdb_file: |
---|
[34bc05c] | 266 | self.read_accessdb(accessdb_file) |
---|
[4064742] | 267 | else: |
---|
| 268 | raise service_error(service_error.internal, |
---|
| 269 | "No accessdb specified in config") |
---|
| 270 | |
---|
[0ea11af] | 271 | # Grab saved state. OK to do this w/o locking because it's read only |
---|
| 272 | # and only one thread should be in existence that can see self.state at |
---|
| 273 | # this point. |
---|
[eee2b2e] | 274 | if self.state_filename: |
---|
| 275 | self.read_state() |
---|
| 276 | |
---|
[0ea11af] | 277 | # Dispatch tables |
---|
| 278 | self.soap_services = {\ |
---|
[058f58e] | 279 | 'Create': soap_handler(\ |
---|
[19cc408] | 280 | CreateRequestMessage.typecode, |
---|
| 281 | getattr(self, "create_experiment"), |
---|
| 282 | CreateResponseMessage, |
---|
| 283 | "CreateResponseBody"), |
---|
[058f58e] | 284 | 'Vtopo': soap_handler(\ |
---|
[19cc408] | 285 | VtopoRequestMessage.typecode, |
---|
| 286 | getattr(self, "get_vtopo"), |
---|
| 287 | VtopoResponseMessage, |
---|
| 288 | "VtopoResponseBody"), |
---|
[058f58e] | 289 | 'Vis': soap_handler(\ |
---|
[19cc408] | 290 | VisRequestMessage.typecode, |
---|
| 291 | getattr(self, "get_vis"), |
---|
| 292 | VisResponseMessage, |
---|
| 293 | "VisResponseBody"), |
---|
[058f58e] | 294 | 'Info': soap_handler(\ |
---|
[19cc408] | 295 | InfoRequestMessage.typecode, |
---|
| 296 | getattr(self, "get_info"), |
---|
| 297 | InfoResponseMessage, |
---|
| 298 | "InfoResponseBody"), |
---|
[058f58e] | 299 | 'Terminate': soap_handler(\ |
---|
[19cc408] | 300 | TerminateRequestMessage.typecode, |
---|
| 301 | getattr(self, "terminate_experiment"), |
---|
| 302 | TerminateResponseMessage, |
---|
| 303 | "TerminateResponseBody"), |
---|
| 304 | } |
---|
| 305 | |
---|
[0ea11af] | 306 | self.xmlrpc_services = {\ |
---|
[058f58e] | 307 | 'Create': xmlrpc_handler(\ |
---|
[19cc408] | 308 | getattr(self, "create_experiment"), |
---|
| 309 | "CreateResponseBody"), |
---|
[058f58e] | 310 | 'Vtopo': xmlrpc_handler(\ |
---|
[19cc408] | 311 | getattr(self, "get_vtopo"), |
---|
| 312 | "VtopoResponseBody"), |
---|
[058f58e] | 313 | 'Vis': xmlrpc_handler(\ |
---|
[19cc408] | 314 | getattr(self, "get_vis"), |
---|
| 315 | "VisResponseBody"), |
---|
[058f58e] | 316 | 'Info': xmlrpc_handler(\ |
---|
[19cc408] | 317 | getattr(self, "get_info"), |
---|
| 318 | "InfoResponseBody"), |
---|
[058f58e] | 319 | 'Terminate': xmlrpc_handler(\ |
---|
[19cc408] | 320 | getattr(self, "terminate_experiment"), |
---|
| 321 | "TerminateResponseBody"), |
---|
| 322 | } |
---|
| 323 | |
---|
[6679c122] | 324 | def copy_file(self, src, dest, size=1024): |
---|
| 325 | """ |
---|
| 326 | Exceedingly simple file copy. |
---|
| 327 | """ |
---|
| 328 | s = open(src,'r') |
---|
| 329 | d = open(dest, 'w') |
---|
| 330 | |
---|
| 331 | buf = "x" |
---|
| 332 | while buf != "": |
---|
| 333 | buf = s.read(size) |
---|
| 334 | d.write(buf) |
---|
| 335 | s.close() |
---|
| 336 | d.close() |
---|
| 337 | |
---|
[a97394b] | 338 | # Call while holding self.state_lock |
---|
[eee2b2e] | 339 | def write_state(self): |
---|
[0ea11af] | 340 | """ |
---|
| 341 | Write a new copy of experiment state after copying the existing state |
---|
| 342 | to a backup. |
---|
| 343 | |
---|
| 344 | State format is a simple pickling of the state dictionary. |
---|
| 345 | """ |
---|
[eee2b2e] | 346 | if os.access(self.state_filename, os.W_OK): |
---|
| 347 | self.copy_file(self.state_filename, \ |
---|
| 348 | "%s.bak" % self.state_filename) |
---|
| 349 | try: |
---|
| 350 | f = open(self.state_filename, 'w') |
---|
| 351 | pickle.dump(self.state, f) |
---|
| 352 | except IOError, e: |
---|
[11a08b0] | 353 | self.log.error("Can't write file %s: %s" % \ |
---|
| 354 | (self.state_filename, e)) |
---|
[eee2b2e] | 355 | except pickle.PicklingError, e: |
---|
[11a08b0] | 356 | self.log.error("Pickling problem: %s" % e) |
---|
[4ed10ae] | 357 | except TypeError, e: |
---|
| 358 | self.log.error("Pickling problem (TypeError): %s" % e) |
---|
[eee2b2e] | 359 | |
---|
[a97394b] | 360 | # Call while holding self.state_lock |
---|
[eee2b2e] | 361 | def read_state(self): |
---|
[0ea11af] | 362 | """ |
---|
| 363 | Read a new copy of experiment state. Old state is overwritten. |
---|
| 364 | |
---|
| 365 | State format is a simple pickling of the state dictionary. |
---|
| 366 | """ |
---|
[eee2b2e] | 367 | try: |
---|
| 368 | f = open(self.state_filename, "r") |
---|
| 369 | self.state = pickle.load(f) |
---|
[d199ced] | 370 | self.log.debug("[read_state]: Read state from %s" % \ |
---|
| 371 | self.state_filename) |
---|
[eee2b2e] | 372 | except IOError, e: |
---|
[d199ced] | 373 | self.log.warning("[read_state]: No saved state: Can't open %s: %s"\ |
---|
| 374 | % (self.state_filename, e)) |
---|
[eee2b2e] | 375 | except pickle.UnpicklingError, e: |
---|
[d199ced] | 376 | self.log.warning(("[read_state]: No saved state: " + \ |
---|
| 377 | "Unpickling failed: %s") % e) |
---|
[4064742] | 378 | |
---|
| 379 | for k in self.state.keys(): |
---|
| 380 | try: |
---|
| 381 | # This list should only have one element in it, but phrasing it |
---|
| 382 | # as a for loop doesn't cost much, really. We have to find the |
---|
| 383 | # fedid elements anyway. |
---|
| 384 | for eid in [ f['fedid'] \ |
---|
| 385 | for f in self.state[k]['experimentID']\ |
---|
| 386 | if f.has_key('fedid') ]: |
---|
| 387 | self.auth.set_attribute(self.state[k]['owner'], eid) |
---|
| 388 | except KeyError, e: |
---|
| 389 | self.log.warning("[read_state]: State ownership or identity " +\ |
---|
| 390 | "misformatted in %s: %s" % (self.state_filename, e)) |
---|
| 391 | |
---|
| 392 | |
---|
| 393 | def read_accessdb(self, accessdb_file): |
---|
[34bc05c] | 394 | """ |
---|
| 395 | Read the mapping from fedids that can create experiments to their name |
---|
| 396 | in the 3-level access namespace. All will be asserted from this |
---|
| 397 | testbed and can include the local username and porject that will be |
---|
| 398 | asserted on their behalf by this fedd. Each fedid is also added to the |
---|
| 399 | authorization system with the "create" attribute. |
---|
| 400 | """ |
---|
| 401 | self.accessdb = {} |
---|
| 402 | # These are the regexps for parsing the db |
---|
[4064742] | 403 | name_expr = "[" + string.ascii_letters + string.digits + "\.\-]+" |
---|
| 404 | project_line = re.compile("^\s*fedid:([" + string.hexdigits + "]+)"+ \ |
---|
| 405 | "\s*->\(\s*("+name_expr+")\s*,\s*("+name_expr+")\s*\)\s*$") |
---|
| 406 | user_line = re.compile("^\s*fedid:([" + string.hexdigits + "]+)"+ \ |
---|
| 407 | "\s*->\s*(" + name_expr + ")\s*$") |
---|
| 408 | lineno = 0 |
---|
| 409 | |
---|
[34bc05c] | 410 | # Parse the mappings and store in self.authdb, a dict of |
---|
| 411 | # fedid -> (proj, user) |
---|
| 412 | try: |
---|
| 413 | f = open(accessdb_file, "r") |
---|
| 414 | for line in f: |
---|
| 415 | lineno += 1 |
---|
| 416 | line = line.strip() |
---|
| 417 | if len(line) == 0 or line.startswith('#'): |
---|
| 418 | continue |
---|
| 419 | m = project_line.match(line) |
---|
| 420 | if m: |
---|
| 421 | fid = fedid(hexstr=m.group(1)) |
---|
| 422 | project, user = m.group(2,3) |
---|
| 423 | if not self.accessdb.has_key(fid): |
---|
| 424 | self.accessdb[fid] = [] |
---|
| 425 | self.accessdb[fid].append((project, user)) |
---|
| 426 | continue |
---|
| 427 | |
---|
| 428 | m = user_line.match(line) |
---|
| 429 | if m: |
---|
| 430 | fid = fedid(hexstr=m.group(1)) |
---|
| 431 | project = None |
---|
| 432 | user = m.group(2) |
---|
| 433 | if not self.accessdb.has_key(fid): |
---|
| 434 | self.accessdb[fid] = [] |
---|
| 435 | self.accessdb[fid].append((project, user)) |
---|
| 436 | continue |
---|
| 437 | self.log.warn("[experiment_control] Error parsing access " +\ |
---|
| 438 | "db %s at line %d" % (accessdb_file, lineno)) |
---|
| 439 | except IOError: |
---|
[4064742] | 440 | raise service_error(service_error.internal, |
---|
[34bc05c] | 441 | "Error opening/reading %s as experiment " +\ |
---|
| 442 | "control accessdb" % accessdb_file) |
---|
[4064742] | 443 | f.close() |
---|
| 444 | |
---|
[34bc05c] | 445 | # Initialize the authorization attributes |
---|
| 446 | for fid in self.accessdb.keys(): |
---|
| 447 | self.auth.set_attribute(fid, 'create') |
---|
| 448 | |
---|
| 449 | def read_mapdb(self, file): |
---|
| 450 | """ |
---|
| 451 | Read a simple colon separated list of mappings for the |
---|
| 452 | label-to-testbed-URL mappings. Clears or creates self.tbmap. |
---|
| 453 | """ |
---|
| 454 | |
---|
| 455 | self.tbmap = { } |
---|
| 456 | lineno =0 |
---|
| 457 | try: |
---|
| 458 | f = open(file, "r") |
---|
| 459 | for line in f: |
---|
| 460 | lineno += 1 |
---|
| 461 | line = line.strip() |
---|
| 462 | if line.startswith('#') or len(line) == 0: |
---|
| 463 | continue |
---|
| 464 | try: |
---|
| 465 | label, url = line.split(':', 1) |
---|
| 466 | self.tbmap[label] = url |
---|
| 467 | except ValueError, e: |
---|
| 468 | self.log.warn("[read_mapdb] Ignored bad line (%d) in " +\ |
---|
| 469 | "map db: %s %s" % (lineno, line, e)) |
---|
| 470 | except IOError, e: |
---|
| 471 | self.log.warning("[read_mapdb]: No saved map database: Can't " +\ |
---|
| 472 | "open %s: %s" % (file, e)) |
---|
| 473 | f.close() |
---|
[eee2b2e] | 474 | |
---|
[6679c122] | 475 | def scp_file(self, file, user, host, dest=""): |
---|
| 476 | """ |
---|
[0ea11af] | 477 | scp a file to the remote host. If debug is set the action is only |
---|
| 478 | logged. |
---|
[6679c122] | 479 | """ |
---|
[d0ae12d] | 480 | |
---|
[721705e9] | 481 | scp_cmd = [self.scp_exec, '-i', self.ssh_privkey_file, file, |
---|
| 482 | "%s@%s:%s" % (user, host, dest)] |
---|
[11a08b0] | 483 | rv = 0 |
---|
[3441fe3] | 484 | |
---|
[d199ced] | 485 | try: |
---|
| 486 | dnull = open("/dev/null", "r") |
---|
| 487 | except IOError: |
---|
| 488 | self.log.debug("[ssh_file]: failed to open /dev/null for redirect") |
---|
| 489 | dnull = Null |
---|
| 490 | |
---|
[11a08b0] | 491 | self.log.debug("[scp_file]: %s" % " ".join(scp_cmd)) |
---|
[d0ae12d] | 492 | if not self.debug: |
---|
[d199ced] | 493 | if dnull: rv = call(scp_cmd, stdout=dnull, stderr=dnull) |
---|
| 494 | else: rv = call(scp_cmd) |
---|
[d0ae12d] | 495 | |
---|
| 496 | return rv == 0 |
---|
[6679c122] | 497 | |
---|
[3441fe3] | 498 | def ssh_cmd(self, user, host, cmd, wname=None): |
---|
[0ea11af] | 499 | """ |
---|
| 500 | Run a remote command on host as user. If debug is set, the action is |
---|
| 501 | only logged. |
---|
| 502 | """ |
---|
[721705e9] | 503 | sh_str = "%s -i %s %s@%s %s" % (self.ssh_exec, self.ssh_privkey_file, |
---|
| 504 | user, host, cmd) |
---|
[d0ae12d] | 505 | |
---|
[d199ced] | 506 | try: |
---|
| 507 | dnull = open("/dev/null", "r") |
---|
| 508 | except IOError: |
---|
| 509 | self.log.debug("[ssh_cmd]: failed to open /dev/null for redirect") |
---|
| 510 | dnull = Null |
---|
| 511 | |
---|
[11a08b0] | 512 | self.log.debug("[ssh_cmd]: %s" % sh_str) |
---|
[d0ae12d] | 513 | if not self.debug: |
---|
[d199ced] | 514 | if dnull: |
---|
| 515 | sub = Popen(sh_str, shell=True, stdout=dnull, stderr=dnull) |
---|
| 516 | else: |
---|
| 517 | sub = Popen(sh_str, shell=True) |
---|
[d0ae12d] | 518 | return sub.wait() == 0 |
---|
| 519 | else: |
---|
| 520 | return True |
---|
[6679c122] | 521 | |
---|
| 522 | def ship_configs(self, host, user, src_dir, dest_dir): |
---|
[0ea11af] | 523 | """ |
---|
| 524 | Copy federant-specific configuration files to the federant. |
---|
| 525 | """ |
---|
[6679c122] | 526 | if not self.ssh_cmd(user, host, "mkdir -p %s" % dest_dir): |
---|
| 527 | return False |
---|
| 528 | if not self.ssh_cmd(user, host, "chmod 770 %s" % dest_dir): |
---|
| 529 | return False |
---|
| 530 | |
---|
| 531 | for f in os.listdir(src_dir): |
---|
| 532 | if os.path.isdir(f): |
---|
| 533 | if not self.ship_configs(host, user, "%s/%s" % (src_dir, f), |
---|
| 534 | "%s/%s" % (dest_dir, f)): |
---|
| 535 | return False |
---|
| 536 | else: |
---|
| 537 | if not self.scp_file("%s/%s" % (src_dir, f), |
---|
| 538 | user, host, dest_dir): |
---|
| 539 | return False |
---|
| 540 | return True |
---|
| 541 | |
---|
[6546868] | 542 | def start_segment(self, tb, eid, tbparams, tmpdir, timeout=0): |
---|
[0ea11af] | 543 | """ |
---|
| 544 | Start a sub-experiment on a federant. |
---|
| 545 | |
---|
| 546 | Get the current state, modify or create as appropriate, ship data and |
---|
| 547 | configs and start the experiment. There are small ordering differences |
---|
| 548 | based on the initial state of the sub-experiment. |
---|
| 549 | """ |
---|
| 550 | # ops node in the federant |
---|
[6679c122] | 551 | host = "%s%s" % (tbparams[tb]['host'], tbparams[tb]['domain']) |
---|
[0ea11af] | 552 | user = tbparams[tb]['user'] # federant user |
---|
| 553 | pid = tbparams[tb]['project'] # federant project |
---|
[6679c122] | 554 | # XXX |
---|
[0d830de] | 555 | base_confs = ( "hosts",) |
---|
[0ea11af] | 556 | tclfile = "%s.%s.tcl" % (eid, tb) # sub-experiment description |
---|
| 557 | # command to test experiment state |
---|
| 558 | expinfo_exec = "/usr/testbed/bin/expinfo" |
---|
| 559 | # Configuration directories on the remote machine |
---|
[6679c122] | 560 | proj_dir = "/proj/%s/exp/%s/tmp" % (pid, eid) |
---|
| 561 | tarfiles_dir = "/proj/%s/tarfiles/%s" % (pid, eid) |
---|
| 562 | rpms_dir = "/proj/%s/rpms/%s" % (pid, eid) |
---|
[0ea11af] | 563 | # Regular expressions to parse the expinfo response |
---|
[6679c122] | 564 | state_re = re.compile("State:\s+(\w+)") |
---|
[3441fe3] | 565 | no_exp_re = re.compile("^No\s+such\s+experiment") |
---|
[0ea11af] | 566 | state = None # Experiment state parsed from expinfo |
---|
| 567 | # The expinfo ssh command |
---|
[3441fe3] | 568 | cmd = [self.ssh_exec, "%s@%s" % (user, host), expinfo_exec, pid, eid] |
---|
| 569 | |
---|
[0ea11af] | 570 | # Get status |
---|
[11a08b0] | 571 | self.log.debug("[start_segment]: %s"% " ".join(cmd)) |
---|
| 572 | dev_null = None |
---|
| 573 | try: |
---|
| 574 | dev_null = open("/dev/null", "a") |
---|
| 575 | except IOError, e: |
---|
| 576 | self.log.error("[start_segment]: can't open /dev/null: %s" %e) |
---|
[3441fe3] | 577 | |
---|
[4ed10ae] | 578 | if self.debug: |
---|
| 579 | state = 'swapped' |
---|
| 580 | rv = 0 |
---|
| 581 | else: |
---|
| 582 | status = Popen(cmd, stdout=PIPE, stderr=dev_null) |
---|
| 583 | for line in status.stdout: |
---|
| 584 | m = state_re.match(line) |
---|
| 585 | if m: state = m.group(1) |
---|
| 586 | else: |
---|
| 587 | m = no_exp_re.match(line) |
---|
| 588 | if m: state = "none" |
---|
| 589 | rv = status.wait() |
---|
[0ea11af] | 590 | |
---|
[0d830de] | 591 | # If the experiment is not present the subcommand returns a non-zero |
---|
| 592 | # return value. If we successfully parsed a "none" outcome, ignore the |
---|
| 593 | # return code. |
---|
[3441fe3] | 594 | if rv != 0 and state != "none": |
---|
[6679c122] | 595 | raise service_error(service_error.internal, |
---|
| 596 | "Cannot get status of segment %s:%s/%s" % (tb, pid, eid)) |
---|
[11a08b0] | 597 | |
---|
| 598 | self.log.debug("[start_segment]: %s: %s" % (tb, state)) |
---|
| 599 | self.log.info("[start_segment]:transferring experiment to %s" % tb) |
---|
[6679c122] | 600 | |
---|
[6546868] | 601 | if not self.scp_file("%s/%s/%s" % (tmpdir, tb, tclfile), user, host): |
---|
[6679c122] | 602 | return False |
---|
[a8b42b5] | 603 | # Clear the federation files |
---|
| 604 | if not self.ssh_cmd(user, host, |
---|
| 605 | "/bin/sh -c \"'/bin/rm -rf %s'\"" % proj_dir): |
---|
| 606 | return False |
---|
| 607 | if not self.ssh_cmd(user, host, |
---|
| 608 | "/bin/sh -c \"'mkdir -p %s'\"" % proj_dir): |
---|
| 609 | return False |
---|
[6679c122] | 610 | # Clear and create the tarfiles and rpm directories |
---|
| 611 | for d in (tarfiles_dir, rpms_dir): |
---|
| 612 | if not self.ssh_cmd(user, host, |
---|
| 613 | "/bin/sh -c \"'/bin/rm -rf %s/*'\"" % d): |
---|
| 614 | return False |
---|
| 615 | if not self.ssh_cmd(user, host, "mkdir -p %s" % d, |
---|
| 616 | "create tarfiles"): |
---|
| 617 | return False |
---|
| 618 | |
---|
| 619 | if state == 'active': |
---|
| 620 | # Remote experiment is active. Modify it. |
---|
| 621 | for f in base_confs: |
---|
[6546868] | 622 | if not self.scp_file("%s/%s" % (tmpdir, f), user, host, |
---|
[6679c122] | 623 | "%s/%s" % (proj_dir, f)): |
---|
| 624 | return False |
---|
[6546868] | 625 | if not self.ship_configs(host, user, "%s/%s" % (tmpdir, tb), |
---|
[6679c122] | 626 | proj_dir): |
---|
| 627 | return False |
---|
[6546868] | 628 | if os.path.isdir("%s/tarfiles" % tmpdir): |
---|
[6679c122] | 629 | if not self.ship_configs(host, user, |
---|
[6546868] | 630 | "%s/tarfiles" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 631 | return False |
---|
[6546868] | 632 | if os.path.isdir("%s/rpms" % tmpdir): |
---|
[6679c122] | 633 | if not self.ship_configs(host, user, |
---|
[6546868] | 634 | "%s/rpms" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 635 | return False |
---|
[11a08b0] | 636 | self.log.info("[start_segment]: Modifying %s on %s" % (eid, tb)) |
---|
[6679c122] | 637 | if not self.ssh_cmd(user, host, |
---|
| 638 | "/usr/testbed/bin/modexp -r -s -w %s %s %s" % \ |
---|
| 639 | (pid, eid, tclfile), "modexp"): |
---|
| 640 | return False |
---|
| 641 | return True |
---|
| 642 | elif state == "swapped": |
---|
| 643 | # Remote experiment swapped out. Modify it and swap it in. |
---|
| 644 | for f in base_confs: |
---|
[6546868] | 645 | if not self.scp_file("%s/%s" % (tmpdir, f), user, host, |
---|
[6679c122] | 646 | "%s/%s" % (proj_dir, f)): |
---|
| 647 | return False |
---|
[6546868] | 648 | if not self.ship_configs(host, user, "%s/%s" % (tmpdir, tb), |
---|
[6679c122] | 649 | proj_dir): |
---|
| 650 | return False |
---|
[6546868] | 651 | if os.path.isdir("%s/tarfiles" % tmpdir): |
---|
[6679c122] | 652 | if not self.ship_configs(host, user, |
---|
[6546868] | 653 | "%s/tarfiles" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 654 | return False |
---|
[6546868] | 655 | if os.path.isdir("%s/rpms" % tmpdir): |
---|
[6679c122] | 656 | if not self.ship_configs(host, user, |
---|
[6546868] | 657 | "%s/rpms" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 658 | return False |
---|
[11a08b0] | 659 | self.log.info("[start_segment]: Modifying %s on %s" % (eid, tb)) |
---|
[6679c122] | 660 | if not self.ssh_cmd(user, host, |
---|
| 661 | "/usr/testbed/bin/modexp -w %s %s %s" % (pid, eid, tclfile), |
---|
| 662 | "modexp"): |
---|
| 663 | return False |
---|
[11a08b0] | 664 | self.log.info("[start_segment]: Swapping %s in on %s" % (eid, tb)) |
---|
[6679c122] | 665 | if not self.ssh_cmd(user, host, |
---|
| 666 | "/usr/testbed/bin/swapexp -w %s %s in" % (pid, eid), |
---|
[3441fe3] | 667 | "swapexp"): |
---|
[6679c122] | 668 | return False |
---|
| 669 | return True |
---|
| 670 | elif state == "none": |
---|
| 671 | # No remote experiment. Create one. We do this in 2 steps so we |
---|
| 672 | # can put the configuration files and scripts into the new |
---|
| 673 | # experiment directories. |
---|
| 674 | |
---|
| 675 | # Tarfiles must be present for creation to work |
---|
[6546868] | 676 | if os.path.isdir("%s/tarfiles" % tmpdir): |
---|
[6679c122] | 677 | if not self.ship_configs(host, user, |
---|
[6546868] | 678 | "%s/tarfiles" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 679 | return False |
---|
[6546868] | 680 | if os.path.isdir("%s/rpms" % tmpdir): |
---|
[6679c122] | 681 | if not self.ship_configs(host, user, |
---|
[6546868] | 682 | "%s/rpms" % tmpdir, tarfiles_dir): |
---|
[6679c122] | 683 | return False |
---|
[11a08b0] | 684 | self.log.info("[start_segment]: Creating %s on %s" % (eid, tb)) |
---|
[6679c122] | 685 | if not self.ssh_cmd(user, host, |
---|
| 686 | "/usr/testbed/bin/startexp -i -f -w -p %s -e %s %s" % \ |
---|
[3441fe3] | 687 | (pid, eid, tclfile), "startexp"): |
---|
[6679c122] | 688 | return False |
---|
| 689 | # After startexp the per-experiment directories exist |
---|
| 690 | for f in base_confs: |
---|
[6546868] | 691 | if not self.scp_file("%s/%s" % (tmpdir, f), user, host, |
---|
[6679c122] | 692 | "%s/%s" % (proj_dir, f)): |
---|
| 693 | return False |
---|
[6546868] | 694 | if not self.ship_configs(host, user, "%s/%s" % (tmpdir, tb), |
---|
[6679c122] | 695 | proj_dir): |
---|
| 696 | return False |
---|
[11a08b0] | 697 | self.log.info("[start_segment]: Swapping %s in on %s" % (eid, tb)) |
---|
[6679c122] | 698 | if not self.ssh_cmd(user, host, |
---|
| 699 | "/usr/testbed/bin/swapexp -w %s %s in" % (pid, eid), |
---|
[3441fe3] | 700 | "swapexp"): |
---|
[6679c122] | 701 | return False |
---|
| 702 | return True |
---|
| 703 | else: |
---|
[11a08b0] | 704 | self.log.debug("[start_segment]:unknown state %s" % state) |
---|
[6679c122] | 705 | return False |
---|
| 706 | |
---|
| 707 | def stop_segment(self, tb, eid, tbparams): |
---|
[0ea11af] | 708 | """ |
---|
| 709 | Stop a sub experiment by calling swapexp on the federant |
---|
| 710 | """ |
---|
[6679c122] | 711 | user = tbparams[tb]['user'] |
---|
[ea0a821] | 712 | host = tbparams[tb]['host'] |
---|
[6679c122] | 713 | pid = tbparams[tb]['project'] |
---|
| 714 | |
---|
[11a08b0] | 715 | self.log.info("[stop_segment]: Stopping %s on %s" % (eid, tb)) |
---|
[6679c122] | 716 | return self.ssh_cmd(user, host, |
---|
[3441fe3] | 717 | "/usr/testbed/bin/swapexp -w %s %s out" % (pid, eid)) |
---|
[6679c122] | 718 | |
---|
| 719 | |
---|
| 720 | def generate_ssh_keys(self, dest, type="rsa" ): |
---|
| 721 | """ |
---|
| 722 | Generate a set of keys for the gateways to use to talk. |
---|
| 723 | |
---|
| 724 | Keys are of type type and are stored in the required dest file. |
---|
| 725 | """ |
---|
| 726 | valid_types = ("rsa", "dsa") |
---|
| 727 | t = type.lower(); |
---|
| 728 | if t not in valid_types: raise ValueError |
---|
[11a08b0] | 729 | cmd = [self.ssh_keygen, '-t', t, '-N', '', '-f', dest] |
---|
[3441fe3] | 730 | |
---|
[11a08b0] | 731 | try: |
---|
| 732 | trace = open("/dev/null", "w") |
---|
| 733 | except IOError: |
---|
| 734 | raise service_error(service_error.internal, |
---|
| 735 | "Cannot open /dev/null??"); |
---|
[3441fe3] | 736 | |
---|
[6679c122] | 737 | # May raise CalledProcessError |
---|
[11a08b0] | 738 | self.log.debug("[generate_ssh_keys]: %s" % " ".join(cmd)) |
---|
| 739 | rv = call(cmd, stdout=trace, stderr=trace) |
---|
[6679c122] | 740 | if rv != 0: |
---|
| 741 | raise service_error(service_error.internal, |
---|
| 742 | "Cannot generate nonce ssh keys. %s return code %d" \ |
---|
| 743 | % (self.ssh_keygen, rv)) |
---|
| 744 | |
---|
[0d830de] | 745 | def gentopo(self, str): |
---|
[0ea11af] | 746 | """ |
---|
| 747 | Generate the topology dtat structure from the splitter's XML |
---|
| 748 | representation of it. |
---|
| 749 | |
---|
| 750 | The topology XML looks like: |
---|
| 751 | <experiment> |
---|
| 752 | <nodes> |
---|
| 753 | <node><vname></vname><ips>ip1:ip2</ips></node> |
---|
| 754 | </nodes> |
---|
| 755 | <lans> |
---|
| 756 | <lan> |
---|
| 757 | <vname></vname><vnode></vnode><ip></ip> |
---|
| 758 | <bandwidth></bandwidth><member>node:port</member> |
---|
| 759 | </lan> |
---|
| 760 | </lans> |
---|
| 761 | """ |
---|
[d0ae12d] | 762 | class topo_parse: |
---|
[0ea11af] | 763 | """ |
---|
| 764 | Parse the topology XML and create the dats structure. |
---|
| 765 | """ |
---|
[d0ae12d] | 766 | def __init__(self): |
---|
[0ea11af] | 767 | # Typing of the subelements for data conversion |
---|
[0d830de] | 768 | self.str_subelements = ('vname', 'vnode', 'ips', 'ip', 'member') |
---|
| 769 | self.int_subelements = ( 'bandwidth',) |
---|
| 770 | self.float_subelements = ( 'delay',) |
---|
[0ea11af] | 771 | # The final data structure |
---|
[0d830de] | 772 | self.nodes = [ ] |
---|
| 773 | self.lans = [ ] |
---|
| 774 | self.topo = { \ |
---|
[bcbf543] | 775 | 'node': self.nodes,\ |
---|
| 776 | 'lan' : self.lans,\ |
---|
[0d830de] | 777 | } |
---|
[0ea11af] | 778 | self.element = { } # Current element being created |
---|
| 779 | self.chars = "" # Last text seen |
---|
[0d830de] | 780 | |
---|
[d0ae12d] | 781 | def end_element(self, name): |
---|
[0ea11af] | 782 | # After each sub element the contents is added to the current |
---|
| 783 | # element or to the appropriate list. |
---|
[0d830de] | 784 | if name == 'node': |
---|
| 785 | self.nodes.append(self.element) |
---|
| 786 | self.element = { } |
---|
| 787 | elif name == 'lan': |
---|
| 788 | self.lans.append(self.element) |
---|
| 789 | self.element = { } |
---|
| 790 | elif name in self.str_subelements: |
---|
| 791 | self.element[name] = self.chars |
---|
| 792 | self.chars = "" |
---|
| 793 | elif name in self.int_subelements: |
---|
| 794 | self.element[name] = int(self.chars) |
---|
| 795 | self.chars = "" |
---|
| 796 | elif name in self.float_subelements: |
---|
| 797 | self.element[name] = float(self.chars) |
---|
| 798 | self.chars = "" |
---|
[d0ae12d] | 799 | |
---|
| 800 | def found_chars(self, data): |
---|
[0d830de] | 801 | self.chars += data.rstrip() |
---|
| 802 | |
---|
| 803 | |
---|
| 804 | tp = topo_parse(); |
---|
| 805 | parser = xml.parsers.expat.ParserCreate() |
---|
| 806 | parser.EndElementHandler = tp.end_element |
---|
| 807 | parser.CharacterDataHandler = tp.found_chars |
---|
| 808 | |
---|
| 809 | parser.Parse(str) |
---|
| 810 | |
---|
| 811 | return tp.topo |
---|
| 812 | |
---|
| 813 | |
---|
| 814 | def genviz(self, topo): |
---|
| 815 | """ |
---|
| 816 | Generate the visualization the virtual topology |
---|
| 817 | """ |
---|
[d0ae12d] | 818 | |
---|
| 819 | neato = "/usr/local/bin/neato" |
---|
| 820 | # These are used to parse neato output and to create the visualization |
---|
| 821 | # file. |
---|
| 822 | vis_re = re.compile('^\s*"?([\w\-]+)"?\s+\[.*pos="(\d+),(\d+)"') |
---|
| 823 | vis_fmt = "<node><name>%s</name><x>%s</x><y>%s</y><type>" + \ |
---|
[0d830de] | 824 | "%s</type></node>" |
---|
| 825 | |
---|
| 826 | try: |
---|
| 827 | # Node names |
---|
[bcbf543] | 828 | nodes = [ n['vname'] for n in topo['node'] ] |
---|
| 829 | topo_lans = topo['lan'] |
---|
[0d830de] | 830 | except KeyError: |
---|
| 831 | raise service_error(service_error.internal, "Bad topology") |
---|
| 832 | |
---|
| 833 | lans = { } |
---|
| 834 | links = { } |
---|
| 835 | |
---|
| 836 | # Walk through the virtual topology, organizing the connections into |
---|
| 837 | # 2-node connections (links) and more-than-2-node connections (lans). |
---|
| 838 | # When a lan is created, it's added to the list of nodes (there's a |
---|
| 839 | # node in the visualization for the lan). |
---|
| 840 | for l in topo_lans: |
---|
| 841 | if links.has_key(l['vname']): |
---|
| 842 | if len(links[l['vname']]) < 2: |
---|
| 843 | links[l['vname']].append(l['vnode']) |
---|
| 844 | else: |
---|
| 845 | nodes.append(l['vname']) |
---|
| 846 | lans[l['vname']] = links[l['vname']] |
---|
| 847 | del links[l['vname']] |
---|
| 848 | lans[l['vname']].append(l['vnode']) |
---|
| 849 | elif lans.has_key(l['vname']): |
---|
| 850 | lans[l['vname']].append(l['vnode']) |
---|
| 851 | else: |
---|
| 852 | links[l['vname']] = [ l['vnode'] ] |
---|
| 853 | |
---|
| 854 | |
---|
| 855 | # Open up a temporary file for dot to turn into a visualization |
---|
[d0ae12d] | 856 | try: |
---|
| 857 | df, dotname = tempfile.mkstemp() |
---|
| 858 | dotfile = os.fdopen(df, 'w') |
---|
| 859 | except IOError: |
---|
| 860 | raise service_error(service_error.internal, |
---|
| 861 | "Failed to open file in genviz") |
---|
| 862 | |
---|
| 863 | # Generate a dot/neato input file from the links, nodes and lans |
---|
| 864 | try: |
---|
| 865 | print >>dotfile, "graph G {" |
---|
[0d830de] | 866 | for n in nodes: |
---|
[d0ae12d] | 867 | print >>dotfile, '\t"%s"' % n |
---|
[0d830de] | 868 | for l in links.keys(): |
---|
| 869 | print >>dotfile, '\t"%s" -- "%s"' % tuple(links[l]) |
---|
| 870 | for l in lans.keys(): |
---|
| 871 | for n in lans[l]: |
---|
[d0ae12d] | 872 | print >>dotfile, '\t "%s" -- "%s"' % (n,l) |
---|
| 873 | print >>dotfile, "}" |
---|
| 874 | dotfile.close() |
---|
[0d830de] | 875 | except TypeError: |
---|
| 876 | raise service_error(service_error.internal, |
---|
| 877 | "Single endpoint link in vtopo") |
---|
[d0ae12d] | 878 | except IOError: |
---|
| 879 | raise service_error(service_error.internal, "Cannot write dot file") |
---|
| 880 | |
---|
| 881 | # Use dot to create a visualization |
---|
| 882 | dot = Popen([neato, '-Gstart=rand', '-Gepsilon=0.005', '-Gmaxiter=2000', |
---|
| 883 | '-Gpack=true', dotname], stdout=PIPE) |
---|
| 884 | |
---|
[0d830de] | 885 | # Translate dot to vis format |
---|
| 886 | vis_nodes = [ ] |
---|
| 887 | vis = { 'node': vis_nodes } |
---|
| 888 | for line in dot.stdout: |
---|
| 889 | m = vis_re.match(line) |
---|
| 890 | if m: |
---|
| 891 | vn = m.group(1) |
---|
| 892 | vis_node = {'name': vn, \ |
---|
[bcbf543] | 893 | 'x': float(m.group(2)),\ |
---|
| 894 | 'y' : float(m.group(3)),\ |
---|
[0d830de] | 895 | } |
---|
| 896 | if vn in links.keys() or vn in lans.keys(): |
---|
| 897 | vis_node['type'] = 'lan' |
---|
| 898 | else: |
---|
| 899 | vis_node['type'] = 'node' |
---|
| 900 | vis_nodes.append(vis_node) |
---|
[d0ae12d] | 901 | rv = dot.wait() |
---|
[0d830de] | 902 | |
---|
[d0ae12d] | 903 | os.remove(dotname) |
---|
[0d830de] | 904 | if rv == 0 : return vis |
---|
| 905 | else: return None |
---|
[d0ae12d] | 906 | |
---|
[4064742] | 907 | def get_access(self, tb, nodes, user, tbparam, master, export_project, |
---|
| 908 | access_user): |
---|
[6679c122] | 909 | """ |
---|
| 910 | Get access to testbed through fedd and set the parameters for that tb |
---|
| 911 | """ |
---|
| 912 | |
---|
| 913 | translate_attr = { |
---|
| 914 | 'slavenodestartcmd': 'expstart', |
---|
| 915 | 'slaveconnectorstartcmd': 'gwstart', |
---|
| 916 | 'masternodestartcmd': 'mexpstart', |
---|
| 917 | 'masterconnectorstartcmd': 'mgwstart', |
---|
| 918 | 'connectorimage': 'gwimage', |
---|
| 919 | 'connectortype': 'gwtype', |
---|
| 920 | 'tunnelcfg': 'tun', |
---|
[3441fe3] | 921 | 'smbshare': 'smbshare', |
---|
[6679c122] | 922 | } |
---|
| 923 | |
---|
| 924 | uri = self.tbmap.get(tb, None) |
---|
| 925 | if not uri: |
---|
| 926 | raise service_error(serice_error.server_config, |
---|
| 927 | "Unknown testbed: %s" % tb) |
---|
| 928 | |
---|
[721705e9] | 929 | # currently this lumps all users into one service access group |
---|
| 930 | service_keys = [ a for u in user \ |
---|
| 931 | for a in u.get('access', []) \ |
---|
| 932 | if a.has_key('sshPubkey')] |
---|
| 933 | |
---|
| 934 | if len(service_keys) == 0: |
---|
| 935 | raise service_error(service_error.req, |
---|
| 936 | "Must have at least one SSH pubkey for services") |
---|
| 937 | |
---|
| 938 | |
---|
[4064742] | 939 | for p, u in access_user: |
---|
| 940 | |
---|
| 941 | if p: |
---|
| 942 | # Request with user and project specified |
---|
| 943 | req = {\ |
---|
| 944 | 'destinationTestbed' : { 'uri' : uri }, |
---|
| 945 | 'project': { |
---|
| 946 | 'name': {'localname': p}, |
---|
| 947 | 'user': [ {'userID': { 'localname': u } } ], |
---|
| 948 | }, |
---|
| 949 | 'user': user, |
---|
| 950 | 'allocID' : { 'localname': 'test' }, |
---|
| 951 | 'createAccess' : [ { 'sshPubkey' : self.ssh_pubkey } ], |
---|
| 952 | 'serviceAccess' : service_keys |
---|
| 953 | } |
---|
| 954 | else: |
---|
| 955 | # Request with only user specified |
---|
| 956 | req = {\ |
---|
| 957 | 'destinationTestbed' : { 'uri' : uri }, |
---|
| 958 | 'user': [ {'userID': { 'localname': u } } ], |
---|
| 959 | 'allocID' : { 'localname': 'test' }, |
---|
| 960 | 'createAccess' : [ { 'sshPubkey' : self.ssh_pubkey } ], |
---|
| 961 | 'serviceAccess' : service_keys |
---|
| 962 | } |
---|
[721705e9] | 963 | |
---|
[4064742] | 964 | if tb == master: |
---|
| 965 | # NB, the export_project parameter is a dict that includes |
---|
| 966 | # the type |
---|
| 967 | req['exportProject'] = export_project |
---|
| 968 | |
---|
| 969 | # node resources if any |
---|
| 970 | if nodes != None and len(nodes) > 0: |
---|
| 971 | rnodes = [ ] |
---|
| 972 | for n in nodes: |
---|
| 973 | rn = { } |
---|
| 974 | image, hw, count = n.split(":") |
---|
| 975 | if image: rn['image'] = [ image ] |
---|
| 976 | if hw: rn['hardware'] = [ hw ] |
---|
| 977 | if count: rn['count'] = int(count) |
---|
| 978 | rnodes.append(rn) |
---|
| 979 | req['resources']= { } |
---|
| 980 | req['resources']['node'] = rnodes |
---|
[5576a47] | 981 | |
---|
[4064742] | 982 | try: |
---|
| 983 | r = self.call_RequestAccess(uri, req, |
---|
| 984 | self.cert_file, self.cert_pwd, self.trusted_certs) |
---|
| 985 | except service_error, e: |
---|
| 986 | if e.code == service_error.access: |
---|
| 987 | r = None |
---|
| 988 | continue |
---|
| 989 | else: |
---|
| 990 | raise e |
---|
[6679c122] | 991 | |
---|
[4064742] | 992 | if r.has_key('RequestAccessResponseBody'): |
---|
| 993 | r = r['RequestAccessResponseBody'] |
---|
| 994 | else: |
---|
| 995 | raise service_error(service_error.protocol, |
---|
| 996 | "Bad proxy response") |
---|
| 997 | |
---|
| 998 | if not r: |
---|
| 999 | raise service_error(service_error.access, |
---|
| 1000 | "Access denied by %s (%s)" % (tb, uri)) |
---|
[6679c122] | 1001 | |
---|
| 1002 | e = r['emulab'] |
---|
| 1003 | p = e['project'] |
---|
| 1004 | tbparam[tb] = { |
---|
| 1005 | "boss": e['boss'], |
---|
| 1006 | "host": e['ops'], |
---|
| 1007 | "domain": e['domain'], |
---|
| 1008 | "fs": e['fileServer'], |
---|
| 1009 | "eventserver": e['eventServer'], |
---|
[3441fe3] | 1010 | "project": unpack_id(p['name']), |
---|
[d81971a] | 1011 | "emulab" : e, |
---|
| 1012 | "allocID" : r['allocID'], |
---|
[6679c122] | 1013 | } |
---|
[7a8d667] | 1014 | # Make the testbed name be the label the user applied |
---|
| 1015 | p['testbed'] = {'localname': tb } |
---|
[6679c122] | 1016 | |
---|
| 1017 | for u in p['user']: |
---|
| 1018 | tbparam[tb]['user'] = unpack_id(u['userID']) |
---|
| 1019 | |
---|
| 1020 | for a in e['fedAttr']: |
---|
| 1021 | if a['attribute']: |
---|
| 1022 | key = translate_attr.get(a['attribute'].lower(), None) |
---|
| 1023 | if key: |
---|
| 1024 | tbparam[tb][key]= a['value'] |
---|
[4ed10ae] | 1025 | |
---|
[d81971a] | 1026 | def release_access(self, tb, aid): |
---|
| 1027 | """ |
---|
| 1028 | Release access to testbed through fedd |
---|
| 1029 | """ |
---|
| 1030 | |
---|
| 1031 | uri = self.tbmap.get(tb, None) |
---|
| 1032 | if not uri: |
---|
| 1033 | raise service_error(serice_error.server_config, |
---|
| 1034 | "Unknown testbed: %s" % tb) |
---|
| 1035 | |
---|
[058f58e] | 1036 | resp = self.call_ReleaseAccess(uri, {'allocID': aid}, |
---|
| 1037 | self.cert_file, self.cert_pwd, self.trusted_certs) |
---|
[d81971a] | 1038 | |
---|
| 1039 | # better error coding |
---|
| 1040 | |
---|
[f4f4117] | 1041 | def remote_splitter(self, uri, desc, master): |
---|
| 1042 | |
---|
| 1043 | req = { |
---|
| 1044 | 'description' : { 'ns2description': desc }, |
---|
| 1045 | 'master': master, |
---|
[2c6128f] | 1046 | 'include_fedkit': bool(self.fedkit) |
---|
[f4f4117] | 1047 | } |
---|
| 1048 | |
---|
[058f58e] | 1049 | r = self.call_Ns2Split(uri, req, self.cert_file, self.cert_pwd, |
---|
| 1050 | self.trusted_certs) |
---|
[f4f4117] | 1051 | |
---|
| 1052 | if r.has_key('Ns2SplitResponseBody'): |
---|
| 1053 | r = r['Ns2SplitResponseBody'] |
---|
| 1054 | if r.has_key('output'): |
---|
| 1055 | return r['output'].splitlines() |
---|
| 1056 | else: |
---|
[058f58e] | 1057 | raise service_error(service_error.protocol, |
---|
[f4f4117] | 1058 | "Bad splitter response (no output)") |
---|
| 1059 | else: |
---|
[058f58e] | 1060 | raise service_error(service_error.protocol, "Bad splitter response") |
---|
[6679c122] | 1061 | |
---|
| 1062 | class current_testbed: |
---|
[0ea11af] | 1063 | """ |
---|
| 1064 | Object for collecting the current testbed description. The testbed |
---|
| 1065 | description is saved to a file with the local testbed variables |
---|
| 1066 | subsittuted line by line. |
---|
| 1067 | """ |
---|
[2c6128f] | 1068 | def __init__(self, eid, tmpdir, fedkit): |
---|
[6679c122] | 1069 | self.begin_testbed = re.compile("^#\s+Begin\s+Testbed\s+\((\w+)\)") |
---|
| 1070 | self.end_testbed = re.compile("^#\s+End\s+Testbed\s+\((\w+)\)") |
---|
| 1071 | self.current_testbed = None |
---|
| 1072 | self.testbed_file = None |
---|
| 1073 | |
---|
| 1074 | self.def_expstart = \ |
---|
| 1075 | "sudo -H /bin/sh FEDDIR/fed_bootstrap >& /tmp/federate"; |
---|
| 1076 | self.def_mexpstart = "sudo -H FEDDIR/make_hosts FEDDIR/hosts"; |
---|
| 1077 | self.def_gwstart = \ |
---|
| 1078 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF>& /tmp/bridge.log"; |
---|
| 1079 | self.def_mgwstart = \ |
---|
| 1080 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF >& /tmp/bridge.log"; |
---|
| 1081 | self.def_gwimage = "FBSD61-TUNNEL2"; |
---|
| 1082 | self.def_gwtype = "pc"; |
---|
| 1083 | |
---|
| 1084 | self.eid = eid |
---|
| 1085 | self.tmpdir = tmpdir |
---|
[2c6128f] | 1086 | self.fedkit = fedkit |
---|
[6679c122] | 1087 | |
---|
| 1088 | def __call__(self, line, master, allocated, tbparams): |
---|
| 1089 | # Capture testbed topology descriptions |
---|
| 1090 | if self.current_testbed == None: |
---|
| 1091 | m = self.begin_testbed.match(line) |
---|
| 1092 | if m != None: |
---|
| 1093 | self.current_testbed = m.group(1) |
---|
| 1094 | if self.current_testbed == None: |
---|
| 1095 | raise service_error(service_error.req, |
---|
| 1096 | "Bad request format (unnamed testbed)") |
---|
| 1097 | allocated[self.current_testbed] = \ |
---|
| 1098 | allocated.get(self.current_testbed,0) + 1 |
---|
| 1099 | tb_dir = "%s/%s" % (self.tmpdir, self.current_testbed) |
---|
| 1100 | if not os.path.exists(tb_dir): |
---|
| 1101 | try: |
---|
| 1102 | os.mkdir(tb_dir) |
---|
| 1103 | except IOError: |
---|
| 1104 | raise service_error(service_error.internal, |
---|
| 1105 | "Cannot create %s" % tb_dir) |
---|
| 1106 | try: |
---|
| 1107 | self.testbed_file = open("%s/%s.%s.tcl" % |
---|
| 1108 | (tb_dir, self.eid, self.current_testbed), 'w') |
---|
| 1109 | except IOError: |
---|
| 1110 | self.testbed_file = None |
---|
| 1111 | return True |
---|
| 1112 | else: return False |
---|
| 1113 | else: |
---|
| 1114 | m = self.end_testbed.match(line) |
---|
| 1115 | if m != None: |
---|
| 1116 | if m.group(1) != self.current_testbed: |
---|
| 1117 | raise service_error(service_error.internal, |
---|
| 1118 | "Mismatched testbed markers!?") |
---|
| 1119 | if self.testbed_file != None: |
---|
| 1120 | self.testbed_file.close() |
---|
| 1121 | self.testbed_file = None |
---|
| 1122 | self.current_testbed = None |
---|
| 1123 | elif self.testbed_file: |
---|
| 1124 | # Substitute variables and put the line into the local |
---|
| 1125 | # testbed file. |
---|
| 1126 | gwtype = tbparams[self.current_testbed].get('gwtype', |
---|
| 1127 | self.def_gwtype) |
---|
| 1128 | gwimage = tbparams[self.current_testbed].get('gwimage', |
---|
| 1129 | self.def_gwimage) |
---|
| 1130 | mgwstart = tbparams[self.current_testbed].get('mgwstart', |
---|
| 1131 | self.def_mgwstart) |
---|
| 1132 | mexpstart = tbparams[self.current_testbed].get('mexpstart', |
---|
| 1133 | self.def_mexpstart) |
---|
| 1134 | gwstart = tbparams[self.current_testbed].get('gwstart', |
---|
| 1135 | self.def_gwstart) |
---|
| 1136 | expstart = tbparams[self.current_testbed].get('expstart', |
---|
| 1137 | self.def_expstart) |
---|
| 1138 | project = tbparams[self.current_testbed].get('project') |
---|
| 1139 | line = re.sub("GWTYPE", gwtype, line) |
---|
| 1140 | line = re.sub("GWIMAGE", gwimage, line) |
---|
| 1141 | if self.current_testbed == master: |
---|
| 1142 | line = re.sub("GWSTART", mgwstart, line) |
---|
| 1143 | line = re.sub("EXPSTART", mexpstart, line) |
---|
| 1144 | else: |
---|
| 1145 | line = re.sub("GWSTART", gwstart, line) |
---|
| 1146 | line = re.sub("EXPSTART", expstart, line) |
---|
| 1147 | line = re.sub("GWCONF", "FEDDIR`hostname`.gw.conf", line) |
---|
| 1148 | line = re.sub("PROJDIR", "/proj/%s/" % project, line) |
---|
| 1149 | line = re.sub("EID", self.eid, line) |
---|
| 1150 | line = re.sub("FEDDIR", "/proj/%s/exp/%s/tmp/" % \ |
---|
| 1151 | (project, self.eid), line) |
---|
[2c6128f] | 1152 | if self.fedkit: |
---|
| 1153 | line = re.sub("FEDKIT", os.path.basename(self.fedkit), |
---|
| 1154 | line) |
---|
[6679c122] | 1155 | print >>self.testbed_file, line |
---|
| 1156 | return True |
---|
| 1157 | |
---|
| 1158 | class allbeds: |
---|
[0ea11af] | 1159 | """ |
---|
| 1160 | Process the Allbeds section. Get access to each federant and save the |
---|
| 1161 | parameters in tbparams |
---|
| 1162 | """ |
---|
[6679c122] | 1163 | def __init__(self, get_access): |
---|
| 1164 | self.begin_allbeds = re.compile("^#\s+Begin\s+Allbeds") |
---|
| 1165 | self.end_allbeds = re.compile("^#\s+End\s+Allbeds") |
---|
| 1166 | self.in_allbeds = False |
---|
| 1167 | self.get_access = get_access |
---|
| 1168 | |
---|
[4064742] | 1169 | def __call__(self, line, user, tbparams, master, export_project, |
---|
| 1170 | access_user): |
---|
[6679c122] | 1171 | # Testbed access parameters |
---|
| 1172 | if not self.in_allbeds: |
---|
| 1173 | if self.begin_allbeds.match(line): |
---|
| 1174 | self.in_allbeds = True |
---|
| 1175 | return True |
---|
| 1176 | else: |
---|
| 1177 | return False |
---|
| 1178 | else: |
---|
| 1179 | if self.end_allbeds.match(line): |
---|
| 1180 | self.in_allbeds = False |
---|
| 1181 | else: |
---|
| 1182 | nodes = line.split('|') |
---|
| 1183 | tb = nodes.pop(0) |
---|
[5576a47] | 1184 | self.get_access(tb, nodes, user, tbparams, master, |
---|
[4064742] | 1185 | export_project, access_user) |
---|
[6679c122] | 1186 | return True |
---|
| 1187 | |
---|
| 1188 | class gateways: |
---|
[3441fe3] | 1189 | def __init__(self, eid, master, tmpdir, gw_pubkey, |
---|
[2c6128f] | 1190 | gw_secretkey, copy_file, fedkit): |
---|
[6679c122] | 1191 | self.begin_gateways = \ |
---|
| 1192 | re.compile("^#\s+Begin\s+gateways\s+\((\w+)\)") |
---|
| 1193 | self.end_gateways = re.compile("^#\s+End\s+gateways\s+\((\w+)\)") |
---|
| 1194 | self.current_gateways = None |
---|
| 1195 | self.control_gateway = None |
---|
| 1196 | self.active_end = { } |
---|
| 1197 | |
---|
| 1198 | self.eid = eid |
---|
| 1199 | self.master = master |
---|
| 1200 | self.tmpdir = tmpdir |
---|
| 1201 | self.gw_pubkey_base = gw_pubkey |
---|
| 1202 | self.gw_secretkey_base = gw_secretkey |
---|
| 1203 | |
---|
| 1204 | self.copy_file = copy_file |
---|
[2c6128f] | 1205 | self.fedkit = fedkit |
---|
[6679c122] | 1206 | |
---|
| 1207 | |
---|
| 1208 | def gateway_conf_file(self, gw, master, eid, pubkey, privkey, |
---|
| 1209 | active_end, tbparams, dtb, myname, desthost, type): |
---|
| 1210 | """ |
---|
[1af38d6] | 1211 | Produce a gateway configuration file from a gateways line. |
---|
[6679c122] | 1212 | """ |
---|
| 1213 | |
---|
| 1214 | sproject = tbparams[gw].get('project', 'project') |
---|
| 1215 | dproject = tbparams[dtb].get('project', 'project') |
---|
| 1216 | sdomain = ".%s.%s%s" % (eid, sproject, |
---|
| 1217 | tbparams[gw].get('domain', ".example.com")) |
---|
| 1218 | ddomain = ".%s.%s%s" % (eid, dproject, |
---|
| 1219 | tbparams[dtb].get('domain', ".example.com")) |
---|
| 1220 | boss = tbparams[master].get('boss', "boss") |
---|
| 1221 | fs = tbparams[master].get('fs', "fs") |
---|
| 1222 | event_server = "%s%s" % \ |
---|
[27b6aea] | 1223 | (tbparams[gw].get('eventserver', "event_server"), |
---|
| 1224 | tbparams[gw].get('domain', "example.com")) |
---|
[6679c122] | 1225 | remote_event_server = "%s%s" % \ |
---|
| 1226 | (tbparams[dtb].get('eventserver', "event_server"), |
---|
| 1227 | tbparams[dtb].get('domain', "example.com")) |
---|
[27b6aea] | 1228 | seer_control = "%s%s" % \ |
---|
| 1229 | (tbparams[gw].get('control', "control"), sdomain) |
---|
[2c6128f] | 1230 | |
---|
| 1231 | if self.fedkit: |
---|
| 1232 | remote_script_dir = "/usr/local/federation/bin" |
---|
| 1233 | local_script_dir = "/usr/local/federation/bin" |
---|
| 1234 | else: |
---|
| 1235 | remote_script_dir = "/proj/%s/exp/%s/tmp" % ( dproject, eid) |
---|
| 1236 | local_script_dir = "/proj/%s/exp/%s/tmp" % ( sproject, eid) |
---|
| 1237 | |
---|
| 1238 | local_key_dir = "/proj/%s/exp/%s/tmp" % ( sproject, eid) |
---|
| 1239 | remote_conf_dir = "/proj/%s/exp/%s/tmp" % ( dproject, eid) |
---|
[6679c122] | 1240 | tunnel_cfg = tbparams[gw].get("tun", "false") |
---|
| 1241 | |
---|
| 1242 | conf_file = "%s%s.gw.conf" % (myname, sdomain) |
---|
| 1243 | remote_conf_file = "%s%s.gw.conf" % (desthost, ddomain) |
---|
| 1244 | |
---|
| 1245 | # translate to lower case so the `hostname` hack for specifying |
---|
| 1246 | # configuration files works. |
---|
| 1247 | conf_file = conf_file.lower(); |
---|
| 1248 | remote_conf_file = remote_conf_file.lower(); |
---|
| 1249 | |
---|
| 1250 | if dtb == master: |
---|
| 1251 | active = "false" |
---|
| 1252 | elif gw == master: |
---|
| 1253 | active = "true" |
---|
| 1254 | elif active_end.has_key['%s-%s' % (dtb, gw)]: |
---|
| 1255 | active = "false" |
---|
| 1256 | else: |
---|
| 1257 | active_end['%s-%s' % (gw, dtb)] = 1 |
---|
| 1258 | active = "true" |
---|
| 1259 | |
---|
| 1260 | gwconfig = open("%s/%s/%s" % (self.tmpdir, gw, conf_file), "w") |
---|
| 1261 | print >>gwconfig, "Active: %s" % active |
---|
| 1262 | print >>gwconfig, "TunnelCfg: %s" % tunnel_cfg |
---|
| 1263 | print >>gwconfig, "BossName: %s" % boss |
---|
| 1264 | print >>gwconfig, "FsName: %s" % fs |
---|
| 1265 | print >>gwconfig, "EventServerName: %s" % event_server |
---|
| 1266 | print >>gwconfig, "RemoteEventServerName: %s" % remote_event_server |
---|
[27b6aea] | 1267 | print >>gwconfig, "SeerControl: %s" % seer_control |
---|
[6679c122] | 1268 | print >>gwconfig, "Type: %s" % type |
---|
| 1269 | print >>gwconfig, "RemoteScriptDir: %s" % remote_script_dir |
---|
| 1270 | print >>gwconfig, "EventRepeater: %s/fed_evrepeater" % \ |
---|
| 1271 | local_script_dir |
---|
| 1272 | print >>gwconfig, "RemoteExperiment: %s/%s" % (dproject, eid) |
---|
| 1273 | print >>gwconfig, "LocalExperiment: %s/%s" % (sproject, eid) |
---|
| 1274 | print >>gwconfig, "RemoteConfigFile: %s/%s" % \ |
---|
[2c6128f] | 1275 | (remote_conf_dir, remote_conf_file) |
---|
[6679c122] | 1276 | print >>gwconfig, "Peer: %s%s" % (desthost, ddomain) |
---|
[2c6128f] | 1277 | print >>gwconfig, "Pubkeys: %s/%s" % (local_key_dir, pubkey) |
---|
| 1278 | print >>gwconfig, "Privkeys: %s/%s" % (local_key_dir, privkey) |
---|
[6679c122] | 1279 | gwconfig.close() |
---|
| 1280 | |
---|
| 1281 | return active == "true" |
---|
| 1282 | |
---|
| 1283 | def __call__(self, line, allocated, tbparams): |
---|
| 1284 | # Process gateways |
---|
| 1285 | if not self.current_gateways: |
---|
| 1286 | m = self.begin_gateways.match(line) |
---|
| 1287 | if m: |
---|
| 1288 | self.current_gateways = m.group(1) |
---|
| 1289 | if allocated.has_key(self.current_gateways): |
---|
| 1290 | # This test should always succeed |
---|
| 1291 | tb_dir = "%s/%s" % (self.tmpdir, self.current_gateways) |
---|
| 1292 | if not os.path.exists(tb_dir): |
---|
| 1293 | try: |
---|
| 1294 | os.mkdir(tb_dir) |
---|
| 1295 | except IOError: |
---|
| 1296 | raise service_error(service_error.internal, |
---|
| 1297 | "Cannot create %s" % tb_dir) |
---|
| 1298 | else: |
---|
| 1299 | # XXX |
---|
[11a08b0] | 1300 | self.log.error("[gateways]: Ignoring gateways for " + \ |
---|
| 1301 | "unknown testbed %s" % self.current_gateways) |
---|
[6679c122] | 1302 | self.current_gateways = None |
---|
| 1303 | return True |
---|
| 1304 | else: |
---|
| 1305 | return False |
---|
| 1306 | else: |
---|
| 1307 | m = self.end_gateways.match(line) |
---|
| 1308 | if m : |
---|
| 1309 | if m.group(1) != self.current_gateways: |
---|
| 1310 | raise service_error(service_error.internal, |
---|
| 1311 | "Mismatched gateway markers!?") |
---|
| 1312 | if self.control_gateway: |
---|
| 1313 | try: |
---|
| 1314 | cc = open("%s/%s/client.conf" % |
---|
| 1315 | (self.tmpdir, self.current_gateways), 'w') |
---|
| 1316 | print >>cc, "ControlGateway: %s" % \ |
---|
| 1317 | self.control_gateway |
---|
[3441fe3] | 1318 | if tbparams[self.master].has_key('smbshare'): |
---|
| 1319 | print >>cc, "SMBSHare: %s" % \ |
---|
| 1320 | tbparams[self.master]['smbshare'] |
---|
[6679c122] | 1321 | print >>cc, "ProjectUser: %s" % \ |
---|
[3441fe3] | 1322 | tbparams[self.master]['user'] |
---|
[6679c122] | 1323 | print >>cc, "ProjectName: %s" % \ |
---|
| 1324 | tbparams[self.master]['project'] |
---|
| 1325 | cc.close() |
---|
| 1326 | except IOError: |
---|
| 1327 | raise service_error(service_error.internal, |
---|
| 1328 | "Error creating client config") |
---|
[291423b] | 1329 | try: |
---|
| 1330 | cc = open("%s/%s/seer.conf" % |
---|
[a8b42b5] | 1331 | (self.tmpdir, self.current_gateways), |
---|
| 1332 | 'w') |
---|
| 1333 | if self.current_gateways != self.master: |
---|
| 1334 | print >>cc, "ControlNode: %s" % \ |
---|
| 1335 | self.control_gateway |
---|
[291423b] | 1336 | print >>cc, "ExperimentID: %s/%s" % \ |
---|
| 1337 | ( tbparams[self.master]['project'], \ |
---|
| 1338 | self.eid ) |
---|
| 1339 | cc.close() |
---|
| 1340 | except IOError: |
---|
| 1341 | raise service_error(service_error.internal, |
---|
| 1342 | "Error creating seer config") |
---|
[6679c122] | 1343 | else: |
---|
[11a08b0] | 1344 | debug.error("[gateways]: No control gateway for %s" %\ |
---|
| 1345 | self.current_gateways) |
---|
[6679c122] | 1346 | self.current_gateways = None |
---|
| 1347 | else: |
---|
| 1348 | dtb, myname, desthost, type = line.split(" ") |
---|
| 1349 | |
---|
| 1350 | if type == "control" or type == "both": |
---|
| 1351 | self.control_gateway = "%s.%s.%s%s" % (myname, |
---|
| 1352 | self.eid, |
---|
| 1353 | tbparams[self.current_gateways]['project'], |
---|
| 1354 | tbparams[self.current_gateways]['domain']) |
---|
| 1355 | try: |
---|
| 1356 | active = self.gateway_conf_file(self.current_gateways, |
---|
| 1357 | self.master, self.eid, self.gw_pubkey_base, |
---|
| 1358 | self.gw_secretkey_base, |
---|
| 1359 | self.active_end, tbparams, dtb, myname, |
---|
| 1360 | desthost, type) |
---|
| 1361 | except IOError, e: |
---|
| 1362 | raise service_error(service_error.internal, |
---|
| 1363 | "Failed to write config file for %s" % \ |
---|
| 1364 | self.current_gateway) |
---|
| 1365 | |
---|
| 1366 | gw_pubkey = "%s/keys/%s" % \ |
---|
| 1367 | (self.tmpdir, self.gw_pubkey_base) |
---|
| 1368 | gw_secretkey = "%s/keys/%s" % \ |
---|
| 1369 | (self.tmpdir, self.gw_secretkey_base) |
---|
| 1370 | |
---|
| 1371 | pkfile = "%s/%s/%s" % \ |
---|
| 1372 | ( self.tmpdir, self.current_gateways, |
---|
| 1373 | self.gw_pubkey_base) |
---|
| 1374 | skfile = "%s/%s/%s" % \ |
---|
| 1375 | ( self.tmpdir, self.current_gateways, |
---|
| 1376 | self.gw_secretkey_base) |
---|
| 1377 | |
---|
| 1378 | if not os.path.exists(pkfile): |
---|
| 1379 | try: |
---|
| 1380 | self.copy_file(gw_pubkey, pkfile) |
---|
| 1381 | except IOError: |
---|
| 1382 | service_error(service_error.internal, |
---|
| 1383 | "Failed to copy pubkey file") |
---|
| 1384 | |
---|
| 1385 | if active and not os.path.exists(skfile): |
---|
| 1386 | try: |
---|
| 1387 | self.copy_file(gw_secretkey, skfile) |
---|
| 1388 | except IOError: |
---|
| 1389 | service_error(service_error.internal, |
---|
| 1390 | "Failed to copy secretkey file") |
---|
| 1391 | return True |
---|
| 1392 | |
---|
| 1393 | class shunt_to_file: |
---|
[0ea11af] | 1394 | """ |
---|
| 1395 | Simple class to write data between two regexps to a file. |
---|
| 1396 | """ |
---|
[6679c122] | 1397 | def __init__(self, begin, end, filename): |
---|
[0ea11af] | 1398 | """ |
---|
| 1399 | Begin shunting on a match of begin, stop on end, send data to |
---|
| 1400 | filename. |
---|
| 1401 | """ |
---|
[6679c122] | 1402 | self.begin = re.compile(begin) |
---|
| 1403 | self.end = re.compile(end) |
---|
| 1404 | self.in_shunt = False |
---|
| 1405 | self.file = None |
---|
| 1406 | self.filename = filename |
---|
| 1407 | |
---|
| 1408 | def __call__(self, line): |
---|
[0ea11af] | 1409 | """ |
---|
| 1410 | Call this on each line in the input that may be shunted. |
---|
| 1411 | """ |
---|
[6679c122] | 1412 | if not self.in_shunt: |
---|
| 1413 | if self.begin.match(line): |
---|
| 1414 | self.in_shunt = True |
---|
| 1415 | try: |
---|
| 1416 | self.file = open(self.filename, "w") |
---|
| 1417 | except: |
---|
| 1418 | self.file = None |
---|
| 1419 | raise |
---|
| 1420 | return True |
---|
| 1421 | else: |
---|
| 1422 | return False |
---|
| 1423 | else: |
---|
| 1424 | if self.end.match(line): |
---|
| 1425 | if self.file: |
---|
| 1426 | self.file.close() |
---|
| 1427 | self.file = None |
---|
| 1428 | self.in_shunt = False |
---|
| 1429 | else: |
---|
| 1430 | if self.file: |
---|
| 1431 | print >>self.file, line |
---|
| 1432 | return True |
---|
| 1433 | |
---|
| 1434 | class shunt_to_list: |
---|
[0ea11af] | 1435 | """ |
---|
| 1436 | Same interface as shunt_to_file. Data collected in self.list, one list |
---|
| 1437 | element per line. |
---|
| 1438 | """ |
---|
[6679c122] | 1439 | def __init__(self, begin, end): |
---|
| 1440 | self.begin = re.compile(begin) |
---|
| 1441 | self.end = re.compile(end) |
---|
| 1442 | self.in_shunt = False |
---|
| 1443 | self.list = [ ] |
---|
| 1444 | |
---|
| 1445 | def __call__(self, line): |
---|
| 1446 | if not self.in_shunt: |
---|
| 1447 | if self.begin.match(line): |
---|
| 1448 | self.in_shunt = True |
---|
| 1449 | return True |
---|
| 1450 | else: |
---|
| 1451 | return False |
---|
| 1452 | else: |
---|
| 1453 | if self.end.match(line): |
---|
| 1454 | self.in_shunt = False |
---|
| 1455 | else: |
---|
| 1456 | self.list.append(line) |
---|
| 1457 | return True |
---|
| 1458 | |
---|
[0d830de] | 1459 | class shunt_to_string: |
---|
[0ea11af] | 1460 | """ |
---|
| 1461 | Same interface as shunt_to_file. Data collected in self.str, all in |
---|
| 1462 | one string. |
---|
| 1463 | """ |
---|
[0d830de] | 1464 | def __init__(self, begin, end): |
---|
| 1465 | self.begin = re.compile(begin) |
---|
| 1466 | self.end = re.compile(end) |
---|
| 1467 | self.in_shunt = False |
---|
| 1468 | self.str = "" |
---|
| 1469 | |
---|
| 1470 | def __call__(self, line): |
---|
| 1471 | if not self.in_shunt: |
---|
| 1472 | if self.begin.match(line): |
---|
| 1473 | self.in_shunt = True |
---|
| 1474 | return True |
---|
| 1475 | else: |
---|
| 1476 | return False |
---|
| 1477 | else: |
---|
| 1478 | if self.end.match(line): |
---|
| 1479 | self.in_shunt = False |
---|
| 1480 | else: |
---|
| 1481 | self.str += line |
---|
| 1482 | return True |
---|
| 1483 | |
---|
[6679c122] | 1484 | def create_experiment(self, req, fid): |
---|
[0ea11af] | 1485 | """ |
---|
| 1486 | The external interface to experiment creation called from the |
---|
| 1487 | dispatcher. |
---|
| 1488 | |
---|
| 1489 | Creates a working directory, splits the incoming description using the |
---|
| 1490 | splitter script and parses out the avrious subsections using the |
---|
| 1491 | lcasses above. Once each sub-experiment is created, use pooled threads |
---|
| 1492 | to instantiate them and start it all up. |
---|
| 1493 | """ |
---|
[4064742] | 1494 | |
---|
| 1495 | if not self.auth.check_attribute(fid, 'create'): |
---|
| 1496 | raise service_error(service_error.access, "Create access denied") |
---|
| 1497 | |
---|
[6546868] | 1498 | try: |
---|
| 1499 | tmpdir = tempfile.mkdtemp(prefix="split-") |
---|
| 1500 | except IOError: |
---|
| 1501 | raise service_error(service_error.internal, "Cannot create tmp dir") |
---|
| 1502 | |
---|
[6679c122] | 1503 | gw_pubkey_base = "fed.%s.pub" % self.ssh_type |
---|
| 1504 | gw_secretkey_base = "fed.%s" % self.ssh_type |
---|
[6546868] | 1505 | gw_pubkey = tmpdir + "/keys/" + gw_pubkey_base |
---|
| 1506 | gw_secretkey = tmpdir + "/keys/" + gw_secretkey_base |
---|
| 1507 | tclfile = tmpdir + "/experiment.tcl" |
---|
[6679c122] | 1508 | tbparams = { } |
---|
[4064742] | 1509 | try: |
---|
| 1510 | access_user = self.accessdb[fid] |
---|
| 1511 | except KeyError: |
---|
| 1512 | raise service_error(service_error.internal, |
---|
| 1513 | "Access map and authorizer out of sync in " + \ |
---|
| 1514 | "create_experiment for fedid %s" % fid) |
---|
[6679c122] | 1515 | |
---|
| 1516 | pid = "dummy" |
---|
| 1517 | gid = "dummy" |
---|
| 1518 | # XXX |
---|
| 1519 | fail_soft = False |
---|
| 1520 | |
---|
| 1521 | try: |
---|
[6546868] | 1522 | os.mkdir(tmpdir+"/keys") |
---|
[6679c122] | 1523 | except OSError: |
---|
| 1524 | raise service_error(service_error.internal, |
---|
| 1525 | "Can't make temporary dir") |
---|
| 1526 | |
---|
[b234bb9] | 1527 | req = req.get('CreateRequestBody', None) |
---|
| 1528 | if not req: |
---|
[2d5c8b6] | 1529 | raise service_error(service_error.req, |
---|
[b234bb9] | 1530 | "Bad request format (no CreateRequestBody)") |
---|
[6679c122] | 1531 | # The tcl parser needs to read a file so put the content into that file |
---|
[3925b50] | 1532 | descr=req.get('experimentdescription', None) |
---|
| 1533 | if descr: |
---|
| 1534 | file_content=descr.get('ns2description', None) |
---|
| 1535 | if file_content: |
---|
| 1536 | try: |
---|
| 1537 | f = open(tclfile, 'w') |
---|
| 1538 | f.write(file_content) |
---|
| 1539 | f.close() |
---|
| 1540 | except IOError: |
---|
| 1541 | raise service_error(service_error.internal, |
---|
| 1542 | "Cannot write temp experiment description") |
---|
| 1543 | else: |
---|
| 1544 | raise service_error(service_error.req, |
---|
| 1545 | "Only ns2descriptions supported") |
---|
[6679c122] | 1546 | else: |
---|
| 1547 | raise service_error(service_error.req, "No experiment description") |
---|
| 1548 | |
---|
[e40c7ee] | 1549 | if req.has_key('experimentID') and \ |
---|
| 1550 | req['experimentID'].has_key('localname'): |
---|
| 1551 | eid = req['experimentID']['localname'] |
---|
[a97394b] | 1552 | self.state_lock.acquire() |
---|
[e40c7ee] | 1553 | while (self.state.has_key(eid)): |
---|
| 1554 | eid += random.choice(string.ascii_letters) |
---|
[0ea11af] | 1555 | # To avoid another thread picking this localname |
---|
[a97394b] | 1556 | self.state[eid] = "placeholder" |
---|
| 1557 | self.state_lock.release() |
---|
[e40c7ee] | 1558 | else: |
---|
| 1559 | eid = self.exp_stem |
---|
| 1560 | for i in range(0,5): |
---|
| 1561 | eid += random.choice(string.ascii_letters) |
---|
[a97394b] | 1562 | self.state_lock.acquire() |
---|
[e40c7ee] | 1563 | while (self.state.has_key(eid)): |
---|
| 1564 | eid = self.exp_stem |
---|
| 1565 | for i in range(0,5): |
---|
| 1566 | eid += random.choice(string.ascii_letters) |
---|
[0ea11af] | 1567 | # To avoid another thread picking this localname |
---|
[a97394b] | 1568 | self.state[eid] = "placeholder" |
---|
| 1569 | self.state_lock.release() |
---|
[e40c7ee] | 1570 | |
---|
[6679c122] | 1571 | try: |
---|
| 1572 | self.generate_ssh_keys(gw_secretkey, self.ssh_type) |
---|
| 1573 | except ValueError: |
---|
| 1574 | raise service_error(service_error.server_config, |
---|
| 1575 | "Bad key type (%s)" % self.ssh_type) |
---|
| 1576 | |
---|
| 1577 | user = req.get('user', None) |
---|
| 1578 | if user == None: |
---|
| 1579 | raise service_error(service_error.req, "No user") |
---|
[3441fe3] | 1580 | |
---|
| 1581 | master = req.get('master', None) |
---|
[5576a47] | 1582 | if not master: |
---|
[3441fe3] | 1583 | raise service_error(service_error.req, "No master testbed label") |
---|
[5576a47] | 1584 | export_project = req.get('exportProject', None) |
---|
| 1585 | if not export_project: |
---|
| 1586 | raise service_error(service_error.req, "No export project") |
---|
[6679c122] | 1587 | |
---|
[f4f4117] | 1588 | if self.splitter_url: |
---|
[2c6128f] | 1589 | self.log.debug("Calling remote splitter at %s" % self.splitter_url) |
---|
[f4f4117] | 1590 | split_data = self.remote_splitter(self.splitter_url, file_content, |
---|
| 1591 | master) |
---|
| 1592 | else: |
---|
| 1593 | tclcmd = [self.tclsh, self.tcl_splitter, '-s', '-x', |
---|
[2c6128f] | 1594 | str(self.muxmax), '-m', master] |
---|
| 1595 | |
---|
| 1596 | if self.fedkit: |
---|
| 1597 | tclcmd.append('-k') |
---|
| 1598 | |
---|
| 1599 | tclcmd.extend([pid, gid, eid, tclfile]) |
---|
| 1600 | |
---|
| 1601 | self.log.debug("running local splitter %s", " ".join(tclcmd)) |
---|
[f4f4117] | 1602 | tclparser = Popen(tclcmd, stdout=PIPE) |
---|
| 1603 | split_data = tclparser.stdout |
---|
[6679c122] | 1604 | |
---|
[0ea11af] | 1605 | allocated = { } # Testbeds we can access |
---|
| 1606 | started = { } # Testbeds where a sub-experiment started |
---|
| 1607 | # successfully |
---|
[6679c122] | 1608 | |
---|
[0ea11af] | 1609 | # Objects to parse the splitter output (defined above) |
---|
[2c6128f] | 1610 | parse_current_testbed = self.current_testbed(eid, tmpdir, self.fedkit) |
---|
[6679c122] | 1611 | parse_allbeds = self.allbeds(self.get_access) |
---|
[3441fe3] | 1612 | parse_gateways = self.gateways(eid, master, tmpdir, |
---|
[2c6128f] | 1613 | gw_pubkey_base, gw_secretkey_base, self.copy_file, self.fedkit) |
---|
[0d830de] | 1614 | parse_vtopo = self.shunt_to_string("^#\s+Begin\s+Vtopo", |
---|
| 1615 | "^#\s+End\s+Vtopo") |
---|
[6679c122] | 1616 | parse_hostnames = self.shunt_to_file("^#\s+Begin\s+hostnames", |
---|
[6546868] | 1617 | "^#\s+End\s+hostnames", tmpdir + "/hosts") |
---|
[6679c122] | 1618 | parse_tarfiles = self.shunt_to_list("^#\s+Begin\s+tarfiles", |
---|
| 1619 | "^#\s+End\s+tarfiles") |
---|
| 1620 | parse_rpms = self.shunt_to_list("^#\s+Begin\s+rpms", |
---|
| 1621 | "^#\s+End\s+rpms") |
---|
| 1622 | |
---|
[0ea11af] | 1623 | # Worling on the split data |
---|
[f4f4117] | 1624 | for line in split_data: |
---|
[6679c122] | 1625 | line = line.rstrip() |
---|
| 1626 | if parse_current_testbed(line, master, allocated, tbparams): |
---|
| 1627 | continue |
---|
[4064742] | 1628 | elif parse_allbeds(line, user, tbparams, master, export_project, |
---|
| 1629 | access_user): |
---|
[6679c122] | 1630 | continue |
---|
| 1631 | elif parse_gateways(line, allocated, tbparams): |
---|
| 1632 | continue |
---|
| 1633 | elif parse_vtopo(line): |
---|
| 1634 | continue |
---|
| 1635 | elif parse_hostnames(line): |
---|
| 1636 | continue |
---|
| 1637 | elif parse_tarfiles(line): |
---|
| 1638 | continue |
---|
| 1639 | elif parse_rpms(line): |
---|
| 1640 | continue |
---|
| 1641 | else: |
---|
| 1642 | raise service_error(service_error.internal, |
---|
| 1643 | "Bad tcl parse? %s" % line) |
---|
| 1644 | |
---|
[0ea11af] | 1645 | # Virtual topology and visualization |
---|
[0d830de] | 1646 | vtopo = self.gentopo(parse_vtopo.str) |
---|
| 1647 | if not vtopo: |
---|
| 1648 | raise service_error(service_error.internal, |
---|
| 1649 | "Failed to generate virtual topology") |
---|
| 1650 | |
---|
| 1651 | vis = self.genviz(vtopo) |
---|
| 1652 | if not vis: |
---|
| 1653 | raise service_error(service_error.internal, |
---|
| 1654 | "Failed to generate visualization") |
---|
[6679c122] | 1655 | |
---|
[e40c7ee] | 1656 | # save federant information |
---|
| 1657 | for k in allocated.keys(): |
---|
| 1658 | tbparams[k]['federant'] = {\ |
---|
[89d9502] | 1659 | 'name': [ { 'localname' : eid} ],\ |
---|
[e40c7ee] | 1660 | 'emulab': tbparams[k]['emulab'],\ |
---|
[d81971a] | 1661 | 'allocID' : tbparams[k]['allocID'],\ |
---|
[e40c7ee] | 1662 | 'master' : k == master,\ |
---|
| 1663 | } |
---|
| 1664 | |
---|
| 1665 | |
---|
[6679c122] | 1666 | # Copy tarfiles and rpms needed at remote sites into a staging area |
---|
| 1667 | try: |
---|
[2c6128f] | 1668 | if self.fedkit: |
---|
| 1669 | parse_tarfiles.list.append(self.fedkit) |
---|
[6679c122] | 1670 | for t in parse_tarfiles.list: |
---|
[6546868] | 1671 | if not os.path.exists("%s/tarfiles" % tmpdir): |
---|
| 1672 | os.mkdir("%s/tarfiles" % tmpdir) |
---|
[6679c122] | 1673 | self.copy_file(t, "%s/tarfiles/%s" % \ |
---|
[6546868] | 1674 | (tmpdir, os.path.basename(t))) |
---|
[6679c122] | 1675 | for r in parse_rpms.list: |
---|
[6546868] | 1676 | if not os.path.exists("%s/rpms" % tmpdir): |
---|
| 1677 | os.mkdir("%s/rpms" % tmpdir) |
---|
[6679c122] | 1678 | self.copy_file(r, "%s/rpms/%s" % \ |
---|
[6546868] | 1679 | (tmpdir, os.path.basename(r))) |
---|
[6679c122] | 1680 | except IOError, e: |
---|
| 1681 | raise service_error(service_error.internal, |
---|
| 1682 | "Cannot stage tarfile/rpm: %s" % e.strerror) |
---|
| 1683 | |
---|
[1af38d6] | 1684 | thread_pool_info = self.thread_pool() |
---|
| 1685 | threads = [ ] |
---|
| 1686 | |
---|
| 1687 | for tb in [ k for k in allocated.keys() if k != master]: |
---|
| 1688 | # Wait until we have a free slot to start the next testbed load |
---|
| 1689 | thread_pool_info.acquire() |
---|
| 1690 | while thread_pool_info.started - \ |
---|
| 1691 | thread_pool_info.terminated >= self.nthreads: |
---|
| 1692 | thread_pool_info.wait() |
---|
| 1693 | thread_pool_info.release() |
---|
| 1694 | |
---|
| 1695 | # Create and start a thread to start the segment, and save it to |
---|
| 1696 | # get the return value later |
---|
| 1697 | t = self.pooled_thread(target=self.start_segment, |
---|
| 1698 | args=(tb, eid, tbparams, tmpdir, 0), name=tb, |
---|
[3441fe3] | 1699 | pdata=thread_pool_info, trace_file=self.trace_file) |
---|
[1af38d6] | 1700 | threads.append(t) |
---|
| 1701 | t.start() |
---|
| 1702 | |
---|
| 1703 | # Wait until all finish (the first clause of the while is to make sure |
---|
| 1704 | # one starts) |
---|
| 1705 | thread_pool_info.acquire() |
---|
| 1706 | while thread_pool_info.started == 0 or \ |
---|
| 1707 | thread_pool_info.started > thread_pool_info.terminated: |
---|
| 1708 | thread_pool_info.wait() |
---|
| 1709 | thread_pool_info.release() |
---|
| 1710 | |
---|
| 1711 | # If none failed, start the master |
---|
| 1712 | failed = [ t.getName() for t in threads if not t.rv ] |
---|
| 1713 | |
---|
| 1714 | if len(failed) == 0: |
---|
| 1715 | if not self.start_segment(master, eid, tbparams, tmpdir): |
---|
| 1716 | failed.append(master) |
---|
| 1717 | |
---|
[a97394b] | 1718 | succeeded = [tb for tb in allocated.keys() if tb not in failed] |
---|
| 1719 | # If one failed clean up, unless fail_soft is set |
---|
| 1720 | if failed: |
---|
| 1721 | if not fail_soft: |
---|
[3441fe3] | 1722 | for tb in succeeded: |
---|
| 1723 | self.stop_segment(tb, eid, tbparams) |
---|
[a97394b] | 1724 | # Remove the placeholder |
---|
| 1725 | self.state_lock.acquire() |
---|
| 1726 | del self.state[eid] |
---|
| 1727 | self.state_lock.release() |
---|
| 1728 | |
---|
[3441fe3] | 1729 | raise service_error(service_error.federant, |
---|
| 1730 | "Swap in failed on %s" % ",".join(failed)) |
---|
[6679c122] | 1731 | else: |
---|
[11a08b0] | 1732 | self.log.info("[start_segment]: Experiment %s started" % eid) |
---|
[6679c122] | 1733 | |
---|
[4fc2250] | 1734 | # Generate an ID for the experiment (slice) and a certificate that the |
---|
| 1735 | # allocator can use to prove they own it. We'll ship it back through |
---|
| 1736 | # the encrypted connection. |
---|
[11a08b0] | 1737 | (expid, expcert) = generate_fedid("test", dir=tmpdir, log=self.log) |
---|
[4fc2250] | 1738 | |
---|
[11a08b0] | 1739 | self.log.debug("[start_experiment]: removing %s" % tmpdir) |
---|
[4fc2250] | 1740 | |
---|
| 1741 | # Walk up tmpdir, deleting as we go |
---|
| 1742 | for path, dirs, files in os.walk(tmpdir, topdown=False): |
---|
| 1743 | for f in files: |
---|
| 1744 | os.remove(os.path.join(path, f)) |
---|
| 1745 | for d in dirs: |
---|
| 1746 | os.rmdir(os.path.join(path, d)) |
---|
| 1747 | os.rmdir(tmpdir) |
---|
[987aaa1] | 1748 | |
---|
[f8582c9] | 1749 | # The deepcopy prevents the allocation ID and other binaries from being |
---|
| 1750 | # translated into other formats |
---|
| 1751 | resp = { 'federant' : [ copy.deepcopy(tbparams[tb]['federant']) \ |
---|
[3441fe3] | 1752 | for tb in tbparams.keys() \ |
---|
[e40c7ee] | 1753 | if tbparams[tb].has_key('federant') ],\ |
---|
[c52c48d] | 1754 | 'vtopo': vtopo,\ |
---|
[4fc2250] | 1755 | 'vis' : vis, |
---|
[e40c7ee] | 1756 | 'experimentID' : [\ |
---|
[c52c48d] | 1757 | { 'fedid': copy.copy(expid) }, \ |
---|
| 1758 | { 'localname': eid },\ |
---|
[e40c7ee] | 1759 | ],\ |
---|
[4fc2250] | 1760 | 'experimentAccess': { 'X509' : expcert },\ |
---|
| 1761 | } |
---|
[a97394b] | 1762 | |
---|
[0ea11af] | 1763 | # Insert the experiment into our state and update the disk copy |
---|
[a97394b] | 1764 | self.state_lock.acquire() |
---|
[c52c48d] | 1765 | self.state[expid] = { 'federant' : [ tbparams[tb]['federant'] \ |
---|
| 1766 | for tb in tbparams.keys() \ |
---|
| 1767 | if tbparams[tb].has_key('federant') ],\ |
---|
| 1768 | 'vtopo': vtopo,\ |
---|
| 1769 | 'vis' : vis, |
---|
[4064742] | 1770 | 'owner': fid, |
---|
[c52c48d] | 1771 | 'experimentID' : [\ |
---|
| 1772 | { 'fedid': expid }, { 'localname': eid },\ |
---|
| 1773 | ],\ |
---|
| 1774 | } |
---|
[e40c7ee] | 1775 | self.state[eid] = self.state[expid] |
---|
[eee2b2e] | 1776 | if self.state_filename: self.write_state() |
---|
[a97394b] | 1777 | self.state_lock.release() |
---|
| 1778 | |
---|
[4064742] | 1779 | self.auth.set_attribute(fid, expid) |
---|
| 1780 | self.auth.set_attribute(expid, expid) |
---|
| 1781 | |
---|
[a97394b] | 1782 | if not failed: |
---|
| 1783 | return resp |
---|
| 1784 | else: |
---|
| 1785 | raise service_error(service_error.partial, \ |
---|
| 1786 | "Partial swap in on %s" % ",".join(succeeded)) |
---|
| 1787 | |
---|
[4064742] | 1788 | def check_experiment_access(self, fid, key): |
---|
| 1789 | """ |
---|
| 1790 | Confirm that the fid has access to the experiment. Though a request |
---|
| 1791 | may be made in terms of a local name, the access attribute is always |
---|
| 1792 | the experiment's fedid. |
---|
| 1793 | """ |
---|
| 1794 | if not isinstance(key, fedid): |
---|
| 1795 | self.state_lock.acquire() |
---|
| 1796 | if self.state.has_key(key): |
---|
| 1797 | try: |
---|
| 1798 | kl = [ f['fedid'] for f in self.state[key]['experimentID']\ |
---|
| 1799 | if f.has_key('fedid') ] |
---|
| 1800 | except KeyError: |
---|
| 1801 | self.state_lock.release() |
---|
| 1802 | raise service_error(service_error.internal, |
---|
| 1803 | "No fedid for experiment %s when checking " +\ |
---|
| 1804 | "access(!?)" % key) |
---|
| 1805 | if len(kl) == 1: |
---|
| 1806 | key = kl[0] |
---|
| 1807 | else: |
---|
| 1808 | self.state_lock.release() |
---|
| 1809 | raise service_error(service_error.internal, |
---|
| 1810 | "multiple fedids for experiment %s when " +\ |
---|
| 1811 | "checking access(!?)" % key) |
---|
| 1812 | else: |
---|
| 1813 | self.state_lock.release() |
---|
| 1814 | raise service_error(service_error.access, "Access Denied") |
---|
| 1815 | self.state_lock.release() |
---|
| 1816 | |
---|
| 1817 | if self.auth.check_attribute(fid, key): |
---|
| 1818 | return True |
---|
| 1819 | else: |
---|
| 1820 | raise service_error(service_error.access, "Access Denied") |
---|
| 1821 | |
---|
| 1822 | |
---|
[987aaa1] | 1823 | |
---|
| 1824 | def get_vtopo(self, req, fid): |
---|
[0ea11af] | 1825 | """ |
---|
| 1826 | Return the stored virtual topology for this experiment |
---|
| 1827 | """ |
---|
[a97394b] | 1828 | rv = None |
---|
[987aaa1] | 1829 | |
---|
| 1830 | req = req.get('VtopoRequestBody', None) |
---|
| 1831 | if not req: |
---|
| 1832 | raise service_error(service_error.req, |
---|
| 1833 | "Bad request format (no VtopoRequestBody)") |
---|
[e40c7ee] | 1834 | exp = req.get('experiment', None) |
---|
| 1835 | if exp: |
---|
| 1836 | if exp.has_key('fedid'): |
---|
[f8582c9] | 1837 | key = exp['fedid'] |
---|
[e40c7ee] | 1838 | keytype = "fedid" |
---|
| 1839 | elif exp.has_key('localname'): |
---|
| 1840 | key = exp['localname'] |
---|
| 1841 | keytype = "localname" |
---|
| 1842 | else: |
---|
| 1843 | raise service_error(service_error.req, "Unknown lookup type") |
---|
[987aaa1] | 1844 | else: |
---|
[e40c7ee] | 1845 | raise service_error(service_error.req, "No request?") |
---|
[987aaa1] | 1846 | |
---|
[4064742] | 1847 | self.check_experiment_access(fid, key) |
---|
| 1848 | |
---|
[a97394b] | 1849 | self.state_lock.acquire() |
---|
[e40c7ee] | 1850 | if self.state.has_key(key): |
---|
[a97394b] | 1851 | rv = { 'experiment' : {keytype: key },\ |
---|
[e40c7ee] | 1852 | 'vtopo': self.state[key]['vtopo'],\ |
---|
[a97394b] | 1853 | } |
---|
| 1854 | self.state_lock.release() |
---|
| 1855 | |
---|
| 1856 | if rv: return rv |
---|
| 1857 | else: raise service_error(service_error.req, "No such experiment") |
---|
[987aaa1] | 1858 | |
---|
| 1859 | def get_vis(self, req, fid): |
---|
[0ea11af] | 1860 | """ |
---|
| 1861 | Return the stored visualization for this experiment |
---|
| 1862 | """ |
---|
[a97394b] | 1863 | rv = None |
---|
[987aaa1] | 1864 | |
---|
| 1865 | req = req.get('VisRequestBody', None) |
---|
| 1866 | if not req: |
---|
| 1867 | raise service_error(service_error.req, |
---|
| 1868 | "Bad request format (no VisRequestBody)") |
---|
[e40c7ee] | 1869 | exp = req.get('experiment', None) |
---|
| 1870 | if exp: |
---|
| 1871 | if exp.has_key('fedid'): |
---|
[f8582c9] | 1872 | key = exp['fedid'] |
---|
[e40c7ee] | 1873 | keytype = "fedid" |
---|
| 1874 | elif exp.has_key('localname'): |
---|
| 1875 | key = exp['localname'] |
---|
| 1876 | keytype = "localname" |
---|
| 1877 | else: |
---|
| 1878 | raise service_error(service_error.req, "Unknown lookup type") |
---|
[987aaa1] | 1879 | else: |
---|
[e40c7ee] | 1880 | raise service_error(service_error.req, "No request?") |
---|
[987aaa1] | 1881 | |
---|
[4064742] | 1882 | self.check_experiment_access(fid, key) |
---|
| 1883 | |
---|
[a97394b] | 1884 | self.state_lock.acquire() |
---|
[e40c7ee] | 1885 | if self.state.has_key(key): |
---|
[a97394b] | 1886 | rv = { 'experiment' : {keytype: key },\ |
---|
[e40c7ee] | 1887 | 'vis': self.state[key]['vis'],\ |
---|
[987aaa1] | 1888 | } |
---|
[a97394b] | 1889 | self.state_lock.release() |
---|
| 1890 | |
---|
| 1891 | if rv: return rv |
---|
| 1892 | else: raise service_error(service_error.req, "No such experiment") |
---|
[987aaa1] | 1893 | |
---|
[c52c48d] | 1894 | def get_info(self, req, fid): |
---|
[0ea11af] | 1895 | """ |
---|
| 1896 | Return all the stored info about this experiment |
---|
| 1897 | """ |
---|
[a97394b] | 1898 | rv = None |
---|
[c52c48d] | 1899 | |
---|
| 1900 | req = req.get('InfoRequestBody', None) |
---|
| 1901 | if not req: |
---|
| 1902 | raise service_error(service_error.req, |
---|
| 1903 | "Bad request format (no VisRequestBody)") |
---|
| 1904 | exp = req.get('experiment', None) |
---|
| 1905 | if exp: |
---|
| 1906 | if exp.has_key('fedid'): |
---|
[f8582c9] | 1907 | key = exp['fedid'] |
---|
[c52c48d] | 1908 | keytype = "fedid" |
---|
| 1909 | elif exp.has_key('localname'): |
---|
| 1910 | key = exp['localname'] |
---|
| 1911 | keytype = "localname" |
---|
| 1912 | else: |
---|
| 1913 | raise service_error(service_error.req, "Unknown lookup type") |
---|
| 1914 | else: |
---|
| 1915 | raise service_error(service_error.req, "No request?") |
---|
| 1916 | |
---|
[4064742] | 1917 | self.check_experiment_access(fid, key) |
---|
| 1918 | |
---|
[c52c48d] | 1919 | # The state may be massaged by the service function that called |
---|
| 1920 | # get_info (e.g., encoded for XMLRPC transport) so send a copy of the |
---|
| 1921 | # state. |
---|
[a97394b] | 1922 | self.state_lock.acquire() |
---|
[c52c48d] | 1923 | if self.state.has_key(key): |
---|
[a97394b] | 1924 | rv = copy.deepcopy(self.state[key]) |
---|
| 1925 | self.state_lock.release() |
---|
[6679c122] | 1926 | |
---|
[a97394b] | 1927 | if rv: return rv |
---|
| 1928 | else: raise service_error(service_error.req, "No such experiment") |
---|
[7a8d667] | 1929 | |
---|
| 1930 | |
---|
| 1931 | def terminate_experiment(self, req, fid): |
---|
[0ea11af] | 1932 | """ |
---|
| 1933 | Swap this experiment out on the federants and delete the shared |
---|
| 1934 | information |
---|
| 1935 | """ |
---|
[7a8d667] | 1936 | tbparams = { } |
---|
| 1937 | req = req.get('TerminateRequestBody', None) |
---|
| 1938 | if not req: |
---|
| 1939 | raise service_error(service_error.req, |
---|
| 1940 | "Bad request format (no TerminateRequestBody)") |
---|
| 1941 | exp = req.get('experiment', None) |
---|
| 1942 | if exp: |
---|
| 1943 | if exp.has_key('fedid'): |
---|
[f8582c9] | 1944 | key = exp['fedid'] |
---|
[7a8d667] | 1945 | keytype = "fedid" |
---|
| 1946 | elif exp.has_key('localname'): |
---|
| 1947 | key = exp['localname'] |
---|
| 1948 | keytype = "localname" |
---|
| 1949 | else: |
---|
| 1950 | raise service_error(service_error.req, "Unknown lookup type") |
---|
| 1951 | else: |
---|
| 1952 | raise service_error(service_error.req, "No request?") |
---|
| 1953 | |
---|
[4064742] | 1954 | self.check_experiment_access(fid, key) |
---|
| 1955 | |
---|
[a97394b] | 1956 | self.state_lock.acquire() |
---|
[7a8d667] | 1957 | fed_exp = self.state.get(key, None) |
---|
| 1958 | |
---|
| 1959 | if fed_exp: |
---|
[a97394b] | 1960 | # This branch of the conditional holds the lock to generate a |
---|
| 1961 | # consistent temporary tbparams variable to deallocate experiments. |
---|
| 1962 | # It releases the lock to do the deallocations and reacquires it to |
---|
| 1963 | # remove the experiment state when the termination is complete. |
---|
[eee2b2e] | 1964 | ids = [] |
---|
| 1965 | # experimentID is a list of dicts that are self-describing |
---|
| 1966 | # identifiers. This finds all the fedids and localnames - the |
---|
| 1967 | # keys of self.state - and puts them into ids. |
---|
| 1968 | for id in fed_exp.get('experimentID', []): |
---|
| 1969 | if id.has_key('fedid'): ids.append(id['fedid']) |
---|
| 1970 | if id.has_key('localname'): ids.append(id['localname']) |
---|
| 1971 | |
---|
[7a8d667] | 1972 | # Construct enough of the tbparams to make the stop_segment calls |
---|
| 1973 | # work |
---|
| 1974 | for fed in fed_exp['federant']: |
---|
| 1975 | try: |
---|
| 1976 | for e in fed['name']: |
---|
| 1977 | eid = e.get('localname', None) |
---|
| 1978 | if eid: break |
---|
| 1979 | else: |
---|
| 1980 | continue |
---|
| 1981 | |
---|
| 1982 | p = fed['emulab']['project'] |
---|
| 1983 | |
---|
| 1984 | project = p['name']['localname'] |
---|
| 1985 | tb = p['testbed']['localname'] |
---|
| 1986 | user = p['user'][0]['userID']['localname'] |
---|
| 1987 | |
---|
| 1988 | domain = fed['emulab']['domain'] |
---|
| 1989 | host = "%s%s" % (fed['emulab']['ops'], domain) |
---|
[d81971a] | 1990 | aid = fed['allocID'] |
---|
[7a8d667] | 1991 | except KeyError, e: |
---|
| 1992 | continue |
---|
| 1993 | tbparams[tb] = {\ |
---|
| 1994 | 'user': user,\ |
---|
| 1995 | 'domain': domain,\ |
---|
| 1996 | 'project': project,\ |
---|
| 1997 | 'host': host,\ |
---|
| 1998 | 'eid': eid,\ |
---|
[d81971a] | 1999 | 'aid': aid,\ |
---|
[7a8d667] | 2000 | } |
---|
[a97394b] | 2001 | self.state_lock.release() |
---|
| 2002 | |
---|
[7a8d667] | 2003 | # Stop everyone. |
---|
| 2004 | for tb in tbparams.keys(): |
---|
| 2005 | self.stop_segment(tb, tbparams[tb]['eid'], tbparams) |
---|
[eee2b2e] | 2006 | |
---|
[d81971a] | 2007 | # release the allocations |
---|
| 2008 | for tb in tbparams.keys(): |
---|
| 2009 | self.release_access(tb, tbparams[tb]['aid']) |
---|
| 2010 | |
---|
| 2011 | # Remove the terminated experiment |
---|
[a97394b] | 2012 | self.state_lock.acquire() |
---|
[eee2b2e] | 2013 | for id in ids: |
---|
| 2014 | if self.state.has_key(id): del self.state[id] |
---|
| 2015 | |
---|
| 2016 | if self.state_filename: self.write_state() |
---|
[a97394b] | 2017 | self.state_lock.release() |
---|
| 2018 | |
---|
[7a8d667] | 2019 | return { 'experiment': exp } |
---|
| 2020 | else: |
---|
[a97394b] | 2021 | # Don't forget to release the lock |
---|
| 2022 | self.state_lock.release() |
---|
[7a8d667] | 2023 | raise service_error(service_error.req, "No saved state") |
---|