def main(argv):
del argv # Unused.
utils.clear_screen()
utils.write('Welcome to the Grab n Go management script!\n')
try:
manager = _Manager.new(FLAGS.config_file_path, FLAGS.project)
exit_code = manager.run()
except KeyboardInterrupt as err:
logging.error('Manager received CTRL-C, exiting: %s', err)
exit_code = 1
sys.exit(exit_code)
def main(argv):
del argv # Unused.
utils.clear_screen()
utils.write('Welcome to the Grab n Go management script!\n')
try:
_Manager.new(
FLAGS.config_file_path,
FLAGS.prefer_gcs,
project_key=FLAGS.project,
version=FLAGS.app_version,
).run()
except KeyboardInterrupt as err:
logging.error('Manager received CTRL-C, exiting: %s', err)
exit_code = 1
else:
exit_code = 0
sys.exit(exit_code)
def run(self):
"""Runs the Grab n Go manager.
Returns:
An integer representing the exit code. Zero is success and any other
number is a failure.
"""
exit_code = 0
try:
while True:
utils.clear_screen()
utils.write(
'Which of the following actions would you like to take?\n')
for opt, desc in six.iteritems(_OPTIONS):
utils.write('Action: {!r}\nDescription: {!r}'.format(
opt, desc))
action = utils.prompt_enum(
'', accepted_values=_OPTIONS.keys(),
case_sensitive=False).strip().lower()
if action == _QUIT:
break
elif action == _CHANGE_PROJECT:
self = self._change_project()
elif action == _CONFIGURE:
self._configure()
finally:
utils.write(
'Done managing Grab n Go for Cloud Project {!r}.'.format(
self._config.project))
return exit_code
def _configure(self):
"""Prompts the user for project wide constants.
Returns:
An updated instance of _Manager.
"""
opts = sorted(self._constants.keys())
opts.append(_QUIT)
try:
while True:
utils.clear_screen()
utils.write(
'Here are the project wide constants for {!r}:\n'.format(
self._config.project))
configured, unconfigured = [], []
for name in sorted(self._constants.keys()):
if self._constants[name].valid:
configured.append(name)
else:
unconfigured.append(name)
utils.write(
'Constant: {!r}\nDescription: {}\nCurrent Value: {}\n'.
format(name, self._constants[name].message,
self._constants[name].value))
choice = utils.prompt_enum(
'Which constant would you like to configure?\n'
'Currently configured constants include: {}\n'
'Currently unconfigured constants include: {}\n'.format(
', '.join(configured) or 'None',
', '.join(unconfigured) or 'None'),
accepted_values=opts,
case_sensitive=False).strip().lower()
if choice == _QUIT:
break
else:
self._constants[choice].prompt()
self._save_constants()
finally:
utils.write(
'Exiting configuration menu, to return enter {!r} in the main menu.\n'
'Returning to the main menu.'.format(_CONFIGURE))
return self
def run(self):
"""Runs the Grab n Go manager."""
try:
while True:
utils.clear_screen()
utils.write(
'Which of the following actions would you like to take?\n')
for opt in self._options.values():
utils.write('Action: {!r}\nDescription: {}\n'.format(
opt.name, opt.description))
action = utils.prompt_enum(
'',
accepted_values=list(self._options.keys()),
case_sensitive=False).strip().lower()
callback = self._options[action].callback
if callback is None:
break
self = callback()
finally:
utils.write(
'Done managing Grab n Go for Cloud Project {!r}.'.format(
self._config.project))
def test_write(self, wrap, text, expected_output):
with mock.patch.object(flags, 'get_help_width', return_value=wrap):
utils.write(text)
self.assertEqual(sys.stdout.getvalue(), expected_output)
def new(cls, config_file_path, project_key=None):
"""Creates a new instance of a Grab n Go Manager.
Args:
config_file_path: str, the name or path to the config file.
project_key: Optional[str], the project friendly name, used as the
top-level key in the config file.
Returns:
A new instance of a Grab n Go Manager.
Raises:
_AuthError: when unable to generate valid credentials.
"""
if project_key is None:
project_key = utils.prompt_string(
'A project name was not provided, which project would you like to '
'configure?\nNOTE: If you are unsure, or if you plan to use only one '
'Google Cloud Project, you can use the default.\n'
'The following projects are currently defined in {!r}:\n {}'.
format(
config_file_path,
', '.join(common.get_available_configs(config_file_path))),
default=common.DEFAULT).lower()
logging.debug(
'Project key %r was provided, attempting to load from yaml.',
project_key)
try:
config = common.ProjectConfig.from_yaml(project_key,
config_file_path)
except (common.ConfigError, KeyError) as err:
logging.debug(
'Failed to initialize project with key %r: %s\n'
'Attempting to load new config...', project_key, err)
utils.write(
'There does not appear to be a saved configuration for this project: '
'{!r}. Before we can get started, we need to gather some information.'
'\n'.format(project_key))
config = common.ProjectConfig.from_prompts(project_key,
config_file_path)
config.write()
try:
cloud_creds = auth.CloudCredentials(config, _get_oauth_scopes())
except auth.InvalidCredentials as err:
utils.write(
'We were unable to create credentials for this configuration, please '
'verify the Project ID, OAuth2 Client ID and Client Secret are '
'correct and then re-enter them in the following prompts.')
config = common.ProjectConfig.from_prompts(project_key,
config_file_path)
config.write()
return cls.new(config_file_path, project_key)
gae_admin_api = app_engine.AdminAPI.from_config(config, cloud_creds)
datastore_api = datastore.DatastoreAPI.from_config(config, cloud_creds)
directory_api = directory.DirectoryAPI.from_config(config, cloud_creds)
storage_api = storage.CloudStorageAPI.from_config(config, cloud_creds)
constants = app_constants.get_constants_from_flags()
return cls(config, constants, cloud_creds, gae_admin_api,
datastore_api, directory_api, storage_api)
