cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 1 | #!/usr/bin/python |
| 2 | # |
| 3 | # Copyright 2015 Google INc. All Rights Reserved. |
| 4 | |
| 5 | import argparse |
| 6 | import getpass |
| 7 | import os |
| 8 | import sys |
| 9 | import traceback |
| 10 | |
| 11 | from utils import logger |
| 12 | from utils import machines |
| 13 | from utils import misc |
| 14 | |
| 15 | |
| 16 | class AFELockException(Exception): |
| 17 | """Base class for exceptions in this module.""" |
| 18 | |
| 19 | |
| 20 | class MachineNotPingable(AFELockException): |
| 21 | """Raised when machine does not respond to ping.""" |
| 22 | |
| 23 | |
| 24 | class MissingHostInfo(AFELockException): |
| 25 | """Raised when cannot find info about machine on machine servers.""" |
| 26 | |
| 27 | |
| 28 | class UpdateNonLocalMachine(AFELockException): |
| 29 | """Raised when user requests to add/remove a ChromeOS HW Lab machine..""" |
| 30 | |
| 31 | |
| 32 | class DuplicateAdd(AFELockException): |
| 33 | """Raised when user requests to add a machine that's already on the server.""" |
| 34 | |
| 35 | |
| 36 | class UpdateServerError(AFELockException): |
| 37 | """Raised when attempt to add/remove a machine from local server fails.""" |
| 38 | |
| 39 | |
| 40 | class LockingError(AFELockException): |
| 41 | """Raised when server fails to lock/unlock machine as requested.""" |
| 42 | |
| 43 | |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 44 | class DontOwnLock(AFELockException): |
| 45 | """Raised when user attmepts to unlock machine locked by someone else.""" |
| 46 | # This should not be raised if the user specified '--force' |
| 47 | |
| 48 | |
| 49 | class NoAFEServer(AFELockException): |
| 50 | """Raised when cannot find/access the autotest server.""" |
| 51 | |
| 52 | |
| 53 | class AFEAccessError(AFELockException): |
| 54 | """Raised when cannot get information about lab machine from lab server.""" |
| 55 | |
| 56 | |
| 57 | class AFELockManager(object): |
| 58 | """Class for locking/unlocking machines vie Autotest Front End servers. |
| 59 | |
| 60 | This class contains methods for checking the locked status of machines |
| 61 | on both the ChromeOS HW Lab AFE server and a local AFE server. It also |
| 62 | has methods for adding/removing machines from the local server, and for |
| 63 | changing the lock status of machines on either server. For the ChromeOS |
| 64 | HW Lab, it only allows access to the toolchain team lab machines, as |
| 65 | defined in toolchain-utils/crosperf/default_remotes. By default it will |
| 66 | look for a local server on chrotomation2.mtv.corp.google.com, but an |
| 67 | alternative local AFE server can be supplied, if desired. |
| 68 | |
| 69 | !!!IMPORTANT NOTE!!! The AFE server can only be called from the main |
| 70 | thread/process of a program. If you launch threads and try to call it |
| 71 | from a thread, you will get an error. This has to do with restrictions |
| 72 | in the Python virtual machine (and signal handling) and cannot be changed. |
| 73 | """ |
| 74 | |
| 75 | LOCAL_SERVER = 'chrotomation2.mtv.corp.google.com' |
| 76 | |
| 77 | def __init__(self, remotes, force_option, chromeos_root, local_server, |
| 78 | local=True, log=None): |
| 79 | """Initializes an AFELockManager object. |
| 80 | |
| 81 | Args: |
| 82 | remotes: A list of machine names or ip addresses to be managed. Names |
| 83 | and ip addresses should be represented as strings. If the list is empty, |
| 84 | the lock manager will get all known machines. |
| 85 | force_option: A Boolean indicating whether or not to force an unlock of |
| 86 | a machine that was locked by someone else. |
| 87 | chromeos_root: The ChromeOS chroot to use for the autotest scripts. |
| 88 | local_server: A string containing the name or ip address of the machine |
| 89 | that is running an AFE server, which is to be used for managing |
| 90 | machines that are not in the ChromeOS HW lab. |
| 91 | local: A Boolean indicating whether or not to use/allow a local AFE |
| 92 | server to be used (see local_server argument). |
| 93 | log: If not None, this is the logger object to be used for writing out |
| 94 | informational output messages. It is expected to be an instance of |
| 95 | Logger class from utils/logger.py. |
| 96 | """ |
| 97 | self.chromeos_root = chromeos_root |
| 98 | self.user = getpass.getuser() |
| 99 | self.logger = log or logger.GetLogger() |
| 100 | autotest_path = os.path.join(chromeos_root, |
| 101 | 'src/third_party/autotest/files') |
| 102 | |
cmtice | d1172b4 | 2015-06-12 15:14:09 -0700 | [diff] [blame] | 103 | sys.path.append(chromeos_root) |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 104 | sys.path.append(autotest_path) |
| 105 | sys.path.append(os.path.join(autotest_path, 'server', 'cros')) |
| 106 | |
| 107 | # We have to wait to do these imports until the paths above have |
| 108 | # been fixed. |
| 109 | from client import setup_modules |
| 110 | setup_modules.setup(base_path=autotest_path, |
| 111 | root_module_name='autotest_lib') |
| 112 | |
| 113 | from dynamic_suite import frontend_wrappers |
| 114 | |
| 115 | self.afe = frontend_wrappers.RetryingAFE(timeout_min=30, |
| 116 | delay_sec=10, |
cmtice | d1172b4 | 2015-06-12 15:14:09 -0700 | [diff] [blame] | 117 | debug=False, |
| 118 | server='cautotest') |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 119 | if not local: |
| 120 | self.local_afe = None |
| 121 | else: |
| 122 | dargs = {} |
| 123 | dargs['server'] = local_server or AFELockManager.LOCAL_SERVER |
| 124 | # Make sure local server is pingable. |
| 125 | error_msg = ('Local autotest server machine %s not responding to ping.' |
| 126 | % dargs['server']) |
| 127 | self.CheckMachine(dargs['server'], error_msg) |
| 128 | self.local_afe = frontend_wrappers.RetryingAFE(timeout_min=30, |
| 129 | delay_sec=10, |
| 130 | debug=False, |
| 131 | **dargs) |
| 132 | self.local = local |
| 133 | self.machines = list(set(remotes)) or [] |
| 134 | self.force = force_option |
| 135 | self.toolchain_lab_machines = self.GetAllToolchainLabMachines() |
| 136 | if not self.machines: |
| 137 | self.machines = self.toolchain_lab_machines + self.GetAllNonlabMachines() |
| 138 | |
| 139 | def CheckMachine(self, machine, error_msg): |
| 140 | """Verifies that machine is responding to ping. |
| 141 | |
| 142 | Args: |
| 143 | machine: String containing the name or ip address of machine to check. |
| 144 | error_msg: Message to print if ping fails. |
| 145 | |
| 146 | Raises: |
| 147 | MachineNotPingable: If machine is not responding to 'ping' |
| 148 | """ |
| 149 | if not machines.MachineIsPingable(machine, logging_level='none'): |
| 150 | raise MachineNotPingable(error_msg) |
| 151 | |
| 152 | def MachineIsKnown(self, machine): |
| 153 | """Checks to see if either AFE server knows the given machine. |
| 154 | |
| 155 | Args: |
| 156 | machine: String containing name or ip address of machine to check. |
| 157 | |
| 158 | Returns: |
| 159 | Boolean indicating if the machine is in the list of known machines for |
| 160 | either AFE server. |
| 161 | """ |
| 162 | if machine in self.toolchain_lab_machines: |
| 163 | return True |
| 164 | elif self.local_afe and machine in self.GetAllNonlabMachines(): |
| 165 | return True |
| 166 | |
| 167 | return False |
| 168 | |
| 169 | def GetAllToolchainLabMachines(self): |
| 170 | """Gets a list of all the toolchain machines in the ChromeOS HW lab. |
| 171 | |
| 172 | Returns: |
| 173 | A list of names of the toolchain machines in the ChromeOS HW lab. |
| 174 | """ |
Han Shen | 441c949 | 2015-06-11 13:56:08 -0700 | [diff] [blame] | 175 | machines_file = os.path.join(os.path.dirname(__file__), |
| 176 | 'crosperf', 'default_remotes') |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 177 | machine_list = [] |
| 178 | with open(machines_file, 'r') as input_file: |
| 179 | lines = input_file.readlines() |
| 180 | for line in lines: |
| 181 | board, remotes = line.split(':') |
| 182 | remotes = remotes.strip() |
| 183 | for r in remotes.split(): |
| 184 | machine_list.append(r.strip()) |
| 185 | return machine_list |
| 186 | |
| 187 | def GetAllNonlabMachines(self): |
| 188 | """Gets a list of all known machines on the local AFE server. |
| 189 | |
| 190 | Returns: |
| 191 | A list of the names of the machines on the local AFE server. |
| 192 | """ |
| 193 | non_lab_machines = [] |
| 194 | if self.local_afe: |
| 195 | non_lab_machines = self.local_afe.get_hostnames() |
| 196 | return non_lab_machines |
| 197 | |
| 198 | def PrintStatusHeader(self, is_lab_machine): |
| 199 | """Prints the status header lines for machines. |
| 200 | |
| 201 | Args: Boolean indicating whether to print HW Lab header or local |
| 202 | machine header (different spacing). |
| 203 | """ |
| 204 | if is_lab_machine: |
| 205 | print '\nMachine (Board)\t\t\t\tStatus' |
| 206 | print '---------------\t\t\t\t------\n' |
| 207 | else: |
| 208 | print '\nMachine (Board)\t\tStatus' |
| 209 | print '---------------\t\t------\n' |
| 210 | |
| 211 | def RemoveLocalMachine(self, m): |
| 212 | """Removes a machine from the local AFE server. |
| 213 | |
| 214 | Args: |
| 215 | m: The machine to remove. |
| 216 | |
| 217 | Raises: |
| 218 | MissingHostInfo: Can't find machine to be removed. |
| 219 | """ |
| 220 | if self.local_afe: |
| 221 | host_info = self.local_afe.get_hosts(hostname=m) |
| 222 | if host_info: |
| 223 | host_info = host_info[0] |
| 224 | host_info.delete() |
| 225 | else: |
| 226 | raise MissingHostInfo('Cannot find/delete machine %s.' % m) |
| 227 | |
| 228 | def AddLocalMachine(self, m): |
| 229 | """Adds a machine to the local AFE server. |
| 230 | |
| 231 | Args: |
| 232 | m: The machine to be added. |
| 233 | """ |
| 234 | if self.local_afe: |
| 235 | error_msg = 'Machine %s is not responding to ping.' % m |
| 236 | self.CheckMachine(m, error_msg) |
| 237 | host = self.local_afe.create_host(m) |
| 238 | |
| 239 | def AddMachinesToLocalServer(self): |
| 240 | """Adds one or more machines to the local AFE server. |
| 241 | |
| 242 | Verify that the requested machines are legal to add to the local server, |
| 243 | i.e. that they are not ChromeOS HW lab machines, and they are not already |
| 244 | on the local server. Call AddLocalMachine for each valid machine. |
| 245 | |
| 246 | Raises: |
| 247 | DuplicateAdd: Attempt to add a machine that is already on the server. |
| 248 | UpdateNonLocalMachine: Attempt to add a ChromeOS HW lab machine. |
| 249 | UpdateServerError: Something went wrong while attempting to add a |
| 250 | machine. |
| 251 | """ |
| 252 | for m in self.machines: |
| 253 | if m in self.toolchain_lab_machines: |
| 254 | raise UpdateNonLocalMachine('Machine %s is already in the ChromeOS HW ' |
| 255 | 'Lab. Cannot add it to local server.' % m) |
| 256 | host_info = self.local_afe.get_hosts(hostname=m) |
| 257 | if host_info: |
| 258 | raise DuplicateAdd('Machine %s is already on the local server.' % m) |
| 259 | try: |
| 260 | self.AddLocalMachine(m) |
| 261 | self.logger.LogOutput('Successfully added %s to local server.' % m) |
| 262 | except Exception as e: |
| 263 | traceback.print_exc() |
| 264 | raise UpdateServerError('Error occurred while attempting to add %s. %s' |
| 265 | % (m, str(e))) |
| 266 | |
| 267 | def RemoveMachinesFromLocalServer(self): |
| 268 | """Removes one or more machines from the local AFE server. |
| 269 | |
| 270 | Verify that the requested machines are legal to remove from the local |
| 271 | server, i.e. that they are not ChromeOS HW lab machines. Call |
| 272 | RemoveLocalMachine for each valid machine. |
| 273 | |
| 274 | Raises: |
| 275 | UpdateServerError: Something went wrong while attempting to remove a |
| 276 | machine. |
| 277 | """ |
| 278 | for m in self.machines: |
| 279 | if m in self.toolchain_lab_machines: |
| 280 | raise UpdateNonLocalMachine('Machine %s is in the ChromeOS HW Lab. ' |
| 281 | 'This script cannot remove lab machines.' |
| 282 | % m) |
| 283 | try: |
| 284 | self.RemoveLocalMachine(m) |
| 285 | self.logger.LogOutput('Successfully removed %s from local server.' % m) |
| 286 | except Exception as e: |
| 287 | traceback.print_exc() |
| 288 | raise UpdateServerError('Error occurred while attempting to remove %s ' |
| 289 | '(%s).' % (m, str(e))) |
| 290 | |
| 291 | def ListMachineStates(self, machine_states): |
| 292 | """Gets and prints the current status for a list of machines. |
| 293 | |
| 294 | Prints out the current status for all of the machines in the current |
| 295 | AFELockManager's list of machines (set when the object is initialized). |
| 296 | |
| 297 | Args: |
| 298 | machine_states: A dictionary of the current state of every machine in |
| 299 | the current AFELockManager's list of machines. Normally obtained by |
| 300 | calling AFELockManager::GetMachineStates. |
| 301 | """ |
| 302 | local_machines = [] |
| 303 | printed_hdr = False |
| 304 | for m in machine_states: |
| 305 | cros_name = m + '.cros' |
| 306 | if (m in self.toolchain_lab_machines or |
| 307 | cros_name in self.toolchain_lab_machines): |
| 308 | if not printed_hdr: |
| 309 | self.PrintStatusHeader(True) |
| 310 | printed_hdr = True |
| 311 | state = machine_states[m] |
| 312 | if state['locked']: |
| 313 | print ('%s (%s)\tlocked by %s since %s' % |
| 314 | (m, state['board'], state['locked_by'], state['lock_time'])) |
| 315 | else: |
| 316 | print '%s (%s)\tunlocked' % (m, state['board']) |
| 317 | else: |
| 318 | local_machines.append(m) |
| 319 | |
| 320 | if local_machines: |
| 321 | self.PrintStatusHeader(False) |
| 322 | for m in local_machines: |
| 323 | state = machine_states[m] |
| 324 | if state['locked']: |
| 325 | print ('%s (%s)\tlocked by %s since %s' % |
| 326 | (m, state['board'], state['locked_by'], state['lock_time'])) |
| 327 | else: |
| 328 | print '%s (%s)\tunlocked' % (m, state['board']) |
| 329 | |
| 330 | |
| 331 | def UpdateLockInAFE(self, should_lock_machine, machine): |
| 332 | """Calls an AFE server to lock/unlock a machine. |
| 333 | |
| 334 | Args: |
| 335 | should_lock_machine: Boolean indicating whether to lock the machine (True) |
| 336 | or unlock the machine (False). |
| 337 | machine: The machine to update. |
| 338 | |
| 339 | Raises: |
| 340 | LockingError: An error occurred while attempting to update the machine |
| 341 | state. |
| 342 | """ |
| 343 | action = 'lock' |
| 344 | if not should_lock_machine: |
| 345 | action = 'unlock' |
| 346 | kwargs = {'locked': should_lock_machine} |
cmtice | 25c94f1 | 2015-07-24 11:37:34 -0700 | [diff] [blame] | 347 | kwargs['lock_reason'] = 'toolchain user request (%s)' % self.user |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 348 | |
| 349 | if machine in self.toolchain_lab_machines: |
| 350 | m = machine.split('.')[0] |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 351 | afe_server = self.afe |
| 352 | else: |
| 353 | m = machine |
| 354 | afe_server = self.local_afe |
| 355 | |
| 356 | try: |
| 357 | afe_server.run('modify_hosts', |
| 358 | host_filter_data={'hostname__in': [m]}, |
| 359 | update_data=kwargs) |
| 360 | except Exception as e: |
| 361 | traceback.print_exc() |
| 362 | raise LockingError('Unable to %s machine %s. %s' % (action, m, str(e))) |
| 363 | |
| 364 | def UpdateMachines(self, lock_machines): |
| 365 | """Sets the locked state of the machines to the requested value. |
| 366 | |
| 367 | The machines updated are the ones in self.machines (specified when the |
| 368 | class object was intialized). |
| 369 | |
| 370 | Args: |
| 371 | lock_machines: Boolean indicating whether to lock the machines (True) or |
| 372 | unlock the machines (False). |
cmtice | f3eb803 | 2015-07-27 13:55:52 -0700 | [diff] [blame] | 373 | |
| 374 | Returns: |
| 375 | A list of the machines whose state was successfully updated. |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 376 | """ |
cmtice | f3eb803 | 2015-07-27 13:55:52 -0700 | [diff] [blame] | 377 | updated_machines = [] |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 378 | for m in self.machines: |
| 379 | self.UpdateLockInAFE(lock_machines, m) |
| 380 | |
| 381 | # Since we returned from self.UpdateLockInAFE we assume the request |
| 382 | # succeeded. |
| 383 | if lock_machines: |
| 384 | self.logger.LogOutput('Locked machine(s) %s.' % m) |
| 385 | else: |
| 386 | self.logger.LogOutput('Unlocked machine(s) %s.' % m) |
cmtice | f3eb803 | 2015-07-27 13:55:52 -0700 | [diff] [blame] | 387 | updated_machines.append(m) |
| 388 | |
| 389 | return updated_machines |
| 390 | |
| 391 | def _InternalRemoveMachine(self, machine): |
| 392 | """Remove machine from internal list of machines. |
| 393 | |
| 394 | Args: |
| 395 | machine: Name of machine to be removed from internal list. |
| 396 | """ |
| 397 | # Check to see if machine is lab machine and if so, make sure it has |
| 398 | # ".cros" on the end. |
| 399 | cros_machine = machine |
| 400 | if machine.find('rack') > 0 and machine.find('row') > 0: |
| 401 | if machine.find('.cros') == -1: |
| 402 | cros_machine = cros_machine + '.cros' |
| 403 | |
| 404 | self.machines = [m for m in self.machines if m != cros_machine and |
| 405 | m != machine] |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 406 | |
| 407 | def CheckMachineLocks(self, machine_states, cmd): |
| 408 | """Check that every machine in requested list is in the proper state. |
| 409 | |
| 410 | If the cmd is 'unlock' verify that every machine is locked by requestor. |
| 411 | If the cmd is 'lock' verify that every machine is currently unlocked. |
| 412 | |
| 413 | Args: |
| 414 | machine_states: A dictionary of the current state of every machine in |
| 415 | the current AFELockManager's list of machines. Normally obtained by |
| 416 | calling AFELockManager::GetMachineStates. |
| 417 | cmd: 'lock' or 'unlock'. The user-requested action for the machines. |
| 418 | |
| 419 | Raises: |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 420 | DontOwnLock: The lock on a requested machine is owned by someone else. |
| 421 | """ |
| 422 | for k, state in machine_states.iteritems(): |
| 423 | if cmd == 'unlock': |
| 424 | if not state['locked']: |
cmtice | f3eb803 | 2015-07-27 13:55:52 -0700 | [diff] [blame] | 425 | self.logger.LogWarning('Attempt to unlock already unlocked machine ' |
| 426 | '(%s).' % k) |
| 427 | self._InternalRemoveMachine(k) |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 428 | |
cmtice | f3eb803 | 2015-07-27 13:55:52 -0700 | [diff] [blame] | 429 | if state['locked'] and state['locked_by'] != self.user: |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 430 | raise DontOwnLock('Attempt to unlock machine (%s) locked by someone ' |
| 431 | 'else (%s).' % (k, state['locked_by'])) |
| 432 | elif cmd == 'lock': |
| 433 | if state['locked']: |
cmtice | f3eb803 | 2015-07-27 13:55:52 -0700 | [diff] [blame] | 434 | self.logger.LogWarning('Attempt to lock already locked machine (%s)' % k) |
| 435 | self._InternalRemoveMachine(k) |
cmtice | e5bc63b | 2015-05-27 16:59:37 -0700 | [diff] [blame] | 436 | |
| 437 | def HasAFEServer(self, local): |
| 438 | """Verifies that the AFELockManager has appropriate AFE server. |
| 439 | |
| 440 | Args: |
| 441 | local: Boolean indicating whether we are checking for the local server |
| 442 | (True) or for the global server (False). |
| 443 | |
| 444 | Returns: |
| 445 | A boolean indicating if the AFELockManager has the requested AFE server. |
| 446 | """ |
| 447 | if local: |
| 448 | return self.local_afe is not None |
| 449 | else: |
| 450 | return self.afe is not None |
| 451 | |
| 452 | def GetMachineStates(self, cmd=''): |
| 453 | """Gets the current state of all the requested machines. |
| 454 | |
| 455 | Gets the current state of all the requested machines, both from the HW lab |
| 456 | sever and from the local server. Stores the data in a dictionary keyed |
| 457 | by machine name. |
| 458 | |
| 459 | Args: |
| 460 | cmd: The command for which we are getting the machine states. This is |
| 461 | important because if one of the requested machines is missing we raise |
| 462 | an exception, unless the requested command is 'add'. |
| 463 | |
| 464 | Returns: |
| 465 | A dictionary of machine states for all the machines in the AFELockManager |
| 466 | object. |
| 467 | |
| 468 | Raises: |
| 469 | NoAFEServer: Cannot find the HW Lab or local AFE server. |
| 470 | AFEAccessError: An error occurred when querying the server about a |
| 471 | machine. |
| 472 | """ |
| 473 | if not self.HasAFEServer(False): |
| 474 | raise NoAFEServer('Error: Cannot connect to main AFE server.') |
| 475 | |
| 476 | if self.local and not self.HasAFEServer(True): |
| 477 | raise NoAFEServer('Error: Cannot connect to local AFE server.') |
| 478 | |
| 479 | machines = {} |
| 480 | for m in self.machines: |
| 481 | host_info = None |
| 482 | if m in self.toolchain_lab_machines: |
| 483 | mod_host = m.split('.')[0] |
| 484 | host_info = self.afe.get_hosts(hostname=mod_host) |
| 485 | if not host_info: |
| 486 | raise AFEAccessError('Unable to get information about %s from main' |
| 487 | ' autotest server.' % m) |
| 488 | else: |
| 489 | host_info = self.local_afe.get_hosts(hostname=m) |
| 490 | if not host_info and cmd != 'add': |
| 491 | raise AFEAccessError('Unable to get information about %s from ' |
| 492 | 'local autotest server.' % m) |
| 493 | if host_info: |
| 494 | host_info = host_info[0] |
| 495 | name = host_info.hostname |
| 496 | values = {} |
| 497 | values['board'] = host_info.platform if host_info.platform else '??' |
| 498 | values['locked'] = host_info.locked |
| 499 | if host_info.locked: |
| 500 | values['locked_by'] = host_info.locked_by |
| 501 | values['lock_time'] = host_info.lock_time |
| 502 | else: |
| 503 | values['locked_by'] = '' |
| 504 | values['lock_time'] = '' |
| 505 | machines[name] = values |
| 506 | else: |
| 507 | machines[m] = {} |
| 508 | return machines |
| 509 | |
| 510 | |
| 511 | def Main(argv): |
| 512 | """ |
| 513 | Parse the options, initialize lock manager and dispatch proper method. |
| 514 | |
| 515 | Args: |
| 516 | argv: The options with which this script was invoked. |
| 517 | |
| 518 | Returns: |
| 519 | 0 unless an exception is raised. |
| 520 | """ |
| 521 | parser = argparse.ArgumentParser() |
| 522 | |
| 523 | parser.add_argument('--list', dest='cmd', action='store_const', |
| 524 | const='status', |
| 525 | help='List current status of all known machines.') |
| 526 | parser.add_argument('--lock', dest='cmd', action='store_const', |
| 527 | const='lock', help='Lock given machine(s).') |
| 528 | parser.add_argument('--unlock', dest='cmd', action='store_const', |
| 529 | const='unlock', help='Unlock given machine(s).') |
| 530 | parser.add_argument('--status', dest='cmd', action='store_const', |
| 531 | const='status', |
| 532 | help='List current status of given machine(s).') |
| 533 | parser.add_argument('--add_machine', dest='cmd', action='store_const', |
| 534 | const='add', |
| 535 | help='Add machine to local machine server.') |
| 536 | parser.add_argument('--remove_machine', dest='cmd', |
| 537 | action='store_const', const='remove', |
| 538 | help='Remove machine from the local machine server.') |
| 539 | parser.add_argument('--nolocal', dest='local', |
| 540 | action='store_false', default=True, |
| 541 | help='Do not try to use local machine server.') |
| 542 | parser.add_argument('--remote', dest='remote', |
| 543 | help='machines on which to operate') |
| 544 | parser.add_argument('--chromeos_root', dest='chromeos_root', required=True, |
| 545 | help='ChromeOS root to use for autotest scripts.') |
| 546 | parser.add_argument('--local_server', dest='local_server', default=None, |
| 547 | help='Alternate local autotest server to use.') |
| 548 | parser.add_argument('--force', dest='force', action='store_true', |
| 549 | default=False, |
| 550 | help='Force lock/unlock of machines, even if not' |
| 551 | ' current lock owner.') |
| 552 | |
| 553 | options = parser.parse_args(argv) |
| 554 | |
| 555 | if not options.remote and options.cmd != 'status': |
| 556 | parser.error('No machines specified for operation.') |
| 557 | |
| 558 | if not os.path.isdir(options.chromeos_root): |
| 559 | parser.error('Cannot find chromeos_root: %s.' % options.chromeos_root) |
| 560 | |
| 561 | if not options.cmd: |
| 562 | parser.error('No operation selected (--list, --status, --lock, --unlock,' |
| 563 | ' --add_machine, --remove_machine).') |
| 564 | |
| 565 | machine_list = [] |
| 566 | if options.remote: |
| 567 | machine_list = options.remote.split() |
| 568 | |
| 569 | lock_manager = AFELockManager(machine_list, options.force, |
| 570 | options.chromeos_root, options.local_server, |
| 571 | options.local) |
| 572 | |
| 573 | machine_states = lock_manager.GetMachineStates(cmd=options.cmd) |
| 574 | cmd = options.cmd |
| 575 | |
| 576 | if cmd == 'status': |
| 577 | lock_manager.ListMachineStates(machine_states) |
| 578 | |
| 579 | elif cmd == 'lock': |
| 580 | if not lock_manager.force: |
| 581 | lock_manager.CheckMachineLocks(machine_states, cmd) |
| 582 | lock_manager.UpdateMachines(True) |
| 583 | |
| 584 | elif cmd == 'unlock': |
| 585 | if not lock_manager.force: |
| 586 | lock_manager.CheckMachineLocks(machine_states, cmd) |
| 587 | lock_manager.UpdateMachines(False) |
| 588 | |
| 589 | elif cmd == 'add': |
| 590 | lock_manager.AddMachinesToLocalServer() |
| 591 | |
| 592 | elif cmd == 'remove': |
| 593 | lock_manager.RemoveMachinesFromLocalServer() |
| 594 | |
| 595 | return 0 |
| 596 | |
| 597 | |
| 598 | if __name__ == '__main__': |
| 599 | sys.exit(Main(sys.argv[1:])) |