| # Copyright 2014 The Chromium Authors. All rights reserved. | 
 | # Use of this source code is governed by a BSD-style license that can be | 
 | # found in the LICENSE file. | 
 |  | 
 | """Environment setup and teardown for remote devices.""" | 
 |  | 
 | import distutils.version | 
 | import json | 
 | import logging | 
 | import os | 
 | import random | 
 | import sys | 
 |  | 
 | from pylib import constants | 
 | from pylib.base import environment | 
 | from pylib.remote.device import appurify_sanitized | 
 | from pylib.remote.device import remote_device_helper | 
 | from pylib.utils import timeout_retry | 
 | from pylib.utils import reraiser_thread | 
 |  | 
 | class RemoteDeviceEnvironment(environment.Environment): | 
 |   """An environment for running on remote devices.""" | 
 |  | 
 |   _ENV_KEY = 'env' | 
 |   _DEVICE_KEY = 'device' | 
 |   _DEFAULT_RETRIES = 0 | 
 |  | 
 |   def __init__(self, args, error_func): | 
 |     """Constructor. | 
 |  | 
 |     Args: | 
 |       args: Command line arguments. | 
 |       error_func: error to show when using bad command line arguments. | 
 |     """ | 
 |     super(RemoteDeviceEnvironment, self).__init__() | 
 |     self._access_token = None | 
 |     self._device = None | 
 |     self._device_type = args.device_type | 
 |     self._verbose_count = args.verbose_count | 
 |     self._timeouts = { | 
 |         'queueing': 60 * 10, | 
 |         'installing': 60 * 10, | 
 |         'in-progress': 60 * 30, | 
 |         'unknown': 60 * 5 | 
 |     } | 
 |     # Example config file: | 
 |     # { | 
 |     #   "remote_device": ["Galaxy S4", "Galaxy S3"], | 
 |     #   "remote_device_os": ["4.4.2", "4.4.4"], | 
 |     #   "remote_device_minimum_os": "4.4.2", | 
 |     #   "api_address": "www.example.com", | 
 |     #   "api_port": "80", | 
 |     #   "api_protocol": "http", | 
 |     #   "api_secret": "apisecret", | 
 |     #   "api_key": "apikey", | 
 |     #   "timeouts": { | 
 |     #     "queueing": 600, | 
 |     #     "installing": 600, | 
 |     #     "in-progress": 1800, | 
 |     #     "unknown": 300 | 
 |     #   } | 
 |     # } | 
 |     if args.remote_device_file: | 
 |       with open(args.remote_device_file) as device_file: | 
 |         device_json = json.load(device_file) | 
 |     else: | 
 |       device_json = {} | 
 |  | 
 |     self._api_address = device_json.get('api_address', None) | 
 |     self._api_key = device_json.get('api_key', None) | 
 |     self._api_port = device_json.get('api_port', None) | 
 |     self._api_protocol = device_json.get('api_protocol', None) | 
 |     self._api_secret = device_json.get('api_secret', None) | 
 |     self._device_oem = device_json.get('device_oem', None) | 
 |     self._device_type = device_json.get('device_type', 'Android') | 
 |     self._network_config = device_json.get('network_config', None) | 
 |     self._remote_device = device_json.get('remote_device', None) | 
 |     self._remote_device_minimum_os = device_json.get( | 
 |         'remote_device_minimum_os', None) | 
 |     self._remote_device_os = device_json.get('remote_device_os', None) | 
 |     self._remote_device_timeout = device_json.get('remote_device_timeout', None) | 
 |     self._results_path = device_json.get('results_path', None) | 
 |     self._runner_package = device_json.get('runner_package', None) | 
 |     self._runner_type = device_json.get('runner_type', None) | 
 |     self._timeouts.update(device_json.get('timeouts', {})) | 
 |  | 
 |     def command_line_override( | 
 |         file_value, cmd_line_value, desc, print_value=True): | 
 |       if cmd_line_value: | 
 |         if file_value and file_value != cmd_line_value: | 
 |           if print_value: | 
 |             logging.info('Overriding %s from %s to %s', | 
 |                          desc, file_value, cmd_line_value) | 
 |           else: | 
 |             logging.info('overriding %s', desc) | 
 |         return cmd_line_value | 
 |       return file_value | 
 |  | 
 |     self._api_address = command_line_override( | 
 |         self._api_address, args.api_address, 'api_address') | 
 |     self._api_port = command_line_override( | 
 |         self._api_port, args.api_port, 'api_port') | 
 |     self._api_protocol = command_line_override( | 
 |         self._api_protocol, args.api_protocol, 'api_protocol') | 
 |     self._device_oem = command_line_override( | 
 |         self._device_oem, args.device_oem, 'device_oem') | 
 |     self._device_type = command_line_override( | 
 |         self._device_type, args.device_type, 'device_type') | 
 |     self._network_config = command_line_override( | 
 |         self._network_config, args.network_config, 'network_config') | 
 |     self._remote_device = command_line_override( | 
 |         self._remote_device, args.remote_device, 'remote_device') | 
 |     self._remote_device_minimum_os = command_line_override( | 
 |         self._remote_device_minimum_os, args.remote_device_minimum_os, | 
 |         'remote_device_minimum_os') | 
 |     self._remote_device_os = command_line_override( | 
 |         self._remote_device_os, args.remote_device_os, 'remote_device_os') | 
 |     self._remote_device_timeout = command_line_override( | 
 |         self._remote_device_timeout, args.remote_device_timeout, | 
 |         'remote_device_timeout') | 
 |     self._results_path = command_line_override( | 
 |         self._results_path, args.results_path, 'results_path') | 
 |     self._runner_package = command_line_override( | 
 |         self._runner_package, args.runner_package, 'runner_package') | 
 |     self._runner_type = command_line_override( | 
 |         self._runner_type, args.runner_type, 'runner_type') | 
 |  | 
 |     if args.api_key_file: | 
 |       with open(args.api_key_file) as api_key_file: | 
 |         temp_key = api_key_file.read().strip() | 
 |         self._api_key = command_line_override( | 
 |             self._api_key, temp_key, 'api_key', print_value=False) | 
 |     self._api_key = command_line_override( | 
 |         self._api_key, args.api_key, 'api_key', print_value=False) | 
 |  | 
 |     if args.api_secret_file: | 
 |       with open(args.api_secret_file) as api_secret_file: | 
 |         temp_secret = api_secret_file.read().strip() | 
 |         self._api_secret = command_line_override( | 
 |             self._api_secret, temp_secret, 'api_secret', print_value=False) | 
 |     self._api_secret = command_line_override( | 
 |         self._api_secret, args.api_secret, 'api_secret', print_value=False) | 
 |  | 
 |     if not self._api_address: | 
 |       error_func('Must set api address with --api-address' | 
 |                  ' or in --remote-device-file.') | 
 |     if not self._api_key: | 
 |       error_func('Must set api key with --api-key, --api-key-file' | 
 |                  ' or in --remote-device-file') | 
 |     if not self._api_port: | 
 |       error_func('Must set api port with --api-port' | 
 |                  ' or in --remote-device-file') | 
 |     if not self._api_protocol: | 
 |       error_func('Must set api protocol with --api-protocol' | 
 |                  ' or in --remote-device-file. Example: http') | 
 |     if not self._api_secret: | 
 |       error_func('Must set api secret with --api-secret, --api-secret-file' | 
 |                  ' or in --remote-device-file') | 
 |  | 
 |     logging.info('Api address: %s', self._api_address) | 
 |     logging.info('Api port: %s', self._api_port) | 
 |     logging.info('Api protocol: %s', self._api_protocol) | 
 |     logging.info('Remote device: %s', self._remote_device) | 
 |     logging.info('Remote device minimum OS: %s', | 
 |                  self._remote_device_minimum_os) | 
 |     logging.info('Remote device OS: %s', self._remote_device_os) | 
 |     logging.info('Remote device OEM: %s', self._device_oem) | 
 |     logging.info('Remote device type: %s', self._device_type) | 
 |     logging.info('Remote device timout: %s', self._remote_device_timeout) | 
 |     logging.info('Results Path: %s', self._results_path) | 
 |     logging.info('Runner package: %s', self._runner_package) | 
 |     logging.info('Runner type: %s', self._runner_type) | 
 |     logging.info('Timeouts: %s', self._timeouts) | 
 |  | 
 |     if not args.trigger and not args.collect: | 
 |       self._trigger = True | 
 |       self._collect = True | 
 |     else: | 
 |       self._trigger = args.trigger | 
 |       self._collect = args.collect | 
 |  | 
 |   def SetUp(self): | 
 |     """Set up the test environment.""" | 
 |     os.environ['APPURIFY_API_PROTO'] = self._api_protocol | 
 |     os.environ['APPURIFY_API_HOST'] = self._api_address | 
 |     os.environ['APPURIFY_API_PORT'] = self._api_port | 
 |     os.environ['APPURIFY_STATUS_BASE_URL'] = 'none' | 
 |     self._GetAccessToken() | 
 |     if self._trigger: | 
 |       self._SelectDevice() | 
 |  | 
 |   def TearDown(self): | 
 |     """Teardown the test environment.""" | 
 |     self._RevokeAccessToken() | 
 |  | 
 |   def __enter__(self): | 
 |     """Set up the test run when used as a context manager.""" | 
 |     try: | 
 |       self.SetUp() | 
 |       return self | 
 |     except: | 
 |       self.__exit__(*sys.exc_info()) | 
 |       raise | 
 |  | 
 |   def __exit__(self, exc_type, exc_val, exc_tb): | 
 |     """Tears down the test run when used as a context manager.""" | 
 |     self.TearDown() | 
 |  | 
 |   def DumpTo(self, persisted_data): | 
 |     env_data = { | 
 |       self._DEVICE_KEY: self._device, | 
 |     } | 
 |     persisted_data[self._ENV_KEY] = env_data | 
 |  | 
 |   def LoadFrom(self, persisted_data): | 
 |     env_data = persisted_data[self._ENV_KEY] | 
 |     self._device = env_data[self._DEVICE_KEY] | 
 |  | 
 |   def _GetAccessToken(self): | 
 |     """Generates access token for remote device service.""" | 
 |     logging.info('Generating remote service access token') | 
 |     with appurify_sanitized.SanitizeLogging(self._verbose_count, | 
 |                                             logging.WARNING): | 
 |       access_token_results = appurify_sanitized.api.access_token_generate( | 
 |           self._api_key, self._api_secret) | 
 |     remote_device_helper.TestHttpResponse(access_token_results, | 
 |                                           'Unable to generate access token.') | 
 |     self._access_token = access_token_results.json()['response']['access_token'] | 
 |  | 
 |   def _RevokeAccessToken(self): | 
 |     """Destroys access token for remote device service.""" | 
 |     logging.info('Revoking remote service access token') | 
 |     with appurify_sanitized.SanitizeLogging(self._verbose_count, | 
 |                                             logging.WARNING): | 
 |       revoke_token_results = appurify_sanitized.api.access_token_revoke( | 
 |           self._access_token) | 
 |     remote_device_helper.TestHttpResponse(revoke_token_results, | 
 |                                           'Unable to revoke access token.') | 
 |  | 
 |   def _SelectDevice(self): | 
 |     if self._remote_device_timeout: | 
 |       try: | 
 |         timeout_retry.Run(self._FindDeviceWithTimeout, | 
 |                           self._remote_device_timeout, self._DEFAULT_RETRIES) | 
 |       except reraiser_thread.TimeoutError: | 
 |         self._NoDeviceFound() | 
 |     else: | 
 |       if not self._FindDevice(): | 
 |         self._NoDeviceFound() | 
 |  | 
 |   def _FindDevice(self): | 
 |     """Find which device to use.""" | 
 |     logging.info('Finding device to run tests on.') | 
 |     device_list = self._GetDeviceList() | 
 |     random.shuffle(device_list) | 
 |     for device in device_list: | 
 |       if device['os_name'] != self._device_type: | 
 |         continue | 
 |       if self._remote_device and device['name'] not in self._remote_device: | 
 |         continue | 
 |       if (self._remote_device_os | 
 |           and device['os_version'] not in self._remote_device_os): | 
 |         continue | 
 |       if self._device_oem and device['brand'] not in self._device_oem: | 
 |         continue | 
 |       if (self._remote_device_minimum_os | 
 |           and distutils.version.LooseVersion(device['os_version']) | 
 |           < distutils.version.LooseVersion(self._remote_device_minimum_os)): | 
 |         continue | 
 |       if device['has_available_device']: | 
 |         logging.info('Found device: %s %s', | 
 |                      device['name'], device['os_version']) | 
 |         self._device = device | 
 |         return True | 
 |     return False | 
 |  | 
 |   def _FindDeviceWithTimeout(self): | 
 |     """Find which device to use with timeout.""" | 
 |     timeout_retry.WaitFor(self._FindDevice, wait_period=1) | 
 |  | 
 |   def _PrintAvailableDevices(self, device_list): | 
 |     def compare_devices(a,b): | 
 |       for key in ('os_version', 'name'): | 
 |         c = cmp(a[key], b[key]) | 
 |         if c: | 
 |           return c | 
 |       return 0 | 
 |  | 
 |     logging.critical('Available %s Devices:', self._device_type) | 
 |     logging.critical( | 
 |         '  %s %s %s %s %s', | 
 |         'OS'.ljust(10), | 
 |         'Device Name'.ljust(30), | 
 |         'Available'.ljust(10), | 
 |         'Busy'.ljust(10), | 
 |         'All'.ljust(10)) | 
 |     devices = (d for d in device_list if d['os_name'] == self._device_type) | 
 |     for d in sorted(devices, compare_devices): | 
 |       logging.critical( | 
 |           '  %s %s %s %s %s', | 
 |           d['os_version'].ljust(10), | 
 |           d['name'].ljust(30), | 
 |           str(d['available_devices_count']).ljust(10), | 
 |           str(d['busy_devices_count']).ljust(10), | 
 |           str(d['all_devices_count']).ljust(10)) | 
 |  | 
 |   def _GetDeviceList(self): | 
 |     with appurify_sanitized.SanitizeLogging(self._verbose_count, | 
 |                                             logging.WARNING): | 
 |       dev_list_res = appurify_sanitized.api.devices_list(self._access_token) | 
 |     remote_device_helper.TestHttpResponse(dev_list_res, | 
 |                                          'Unable to generate access token.') | 
 |     return dev_list_res.json()['response'] | 
 |  | 
 |   def _NoDeviceFound(self): | 
 |     self._PrintAvailableDevices(self._GetDeviceList()) | 
 |     raise remote_device_helper.RemoteDeviceError( | 
 |         'No device found.', is_infra_error=True) | 
 |  | 
 |   @property | 
 |   def collect(self): | 
 |     return self._collect | 
 |  | 
 |   @property | 
 |   def device_type_id(self): | 
 |     return self._device['device_type_id'] | 
 |  | 
 |   @property | 
 |   def network_config(self): | 
 |     return self._network_config | 
 |  | 
 |   @property | 
 |   def only_output_failures(self): | 
 |     # TODO(jbudorick): Remove this once b/18981674 is fixed. | 
 |     return True | 
 |  | 
 |   @property | 
 |   def results_path(self): | 
 |     return self._results_path | 
 |  | 
 |   @property | 
 |   def runner_package(self): | 
 |     return self._runner_package | 
 |  | 
 |   @property | 
 |   def runner_type(self): | 
 |     return self._runner_type | 
 |  | 
 |   @property | 
 |   def timeouts(self): | 
 |     return self._timeouts | 
 |  | 
 |   @property | 
 |   def token(self): | 
 |     return self._access_token | 
 |  | 
 |   @property | 
 |   def trigger(self): | 
 |     return self._trigger | 
 |  | 
 |   @property | 
 |   def verbose_count(self): | 
 |     return self._verbose_count | 
 |  | 
 |   @property | 
 |   def device_type(self): | 
 |     return self._device_type |