class CLIDriver(object):
def __init__(self):
self._loader = Loader()
self._endpoint_creator = EndpointCreator(EndpointResolver())
self._user_agent_header = self._build_user_agent_header()
self._response_parser_factory = ResponseParserFactory()
self._cli_data = self._loader.load_json('cli.json')
self._retryhandler = self._create_default_retryhandler()
self._available_services = self._loader.list_available_services()
self._command_table = self._build_command_table()
self._argument_table = self._build_argument_table()
self._client_creator = ClientCreator(self._loader, Context(),
self._endpoint_creator,
self._user_agent_header,
self._response_parser_factory,
self._retryhandler)
def main(self, args=None):
if args is None:
args = sys.argv[1:]
parser = self._create_parser()
command_table = self._get_command_table()
if len(args) == 0 or (len(args) == 1 and args[0] == '--help'):
args = ['help']
parsed_args, remaining = parser.parse_known_args(args)
try:
self._handle_top_level_args(parsed_args)
self._warn_for_old_python()
return command_table[parsed_args.command](self._client_creator,
remaining, parsed_args)
except Exception as e:
LOG.debug("Exception caught in main()", exc_info=True)
sys.stderr.write("\n")
sys.stderr.write("%s\n" % six.text_type(e))
return 255
def _get_loader(self):
return self._loader
def _get_cli_data(self):
return self._cli_data
def _get_command_table(self):
return self._command_table
def _build_user_agent_header(self):
return 'CDPCLI/%s Python/%s %s/%s' % (VERSION, platform.python_version(
), platform.system(), platform.release())
def _build_command_table(self):
commands = OrderedDict()
services = self._get_available_services()
for service_name in services:
commands[service_name] = ServiceCommand(self, service_name)
ConfigureCommand.add_command(commands)
return commands
def _get_argument_table(self):
return self._argument_table
def _build_argument_table(self):
argument_table = OrderedDict()
cli_data = self._get_cli_data()
cli_arguments = cli_data.get('options', None)
for option in cli_arguments:
option_params = copy_kwargs(cli_arguments[option])
cli_argument = self._create_cli_argument(option, option_params)
cli_argument.add_to_arg_table(argument_table)
return argument_table
def _get_available_services(self):
return self._available_services
def get_service_model(self, service_name):
service_data = self._loader.load_service_data(service_name)
return ServiceModel(service_data, service_name=service_name)
def _create_help_command(self):
cli_data = self._get_cli_data()
# We filter service aliases out of the service list at the bottom of the
# top level help.
commands = OrderedDict()
for service_name, command in self._get_command_table().items():
if not self._loader.is_service_alias(service_name):
commands[service_name] = command
return ProviderHelpCommand(commands, self._get_argument_table(),
cli_data.get('description', None),
cli_data.get('synopsis', None),
cli_data.get('help_usage', None))
def _create_parser(self):
command_table = self._get_command_table()
command_table['help'] = self._create_help_command()
cli_data = self._get_cli_data()
parser = MainArgParser(command_table, VERSION,
cli_data.get('description', None),
self._get_argument_table())
return parser
def _create_cli_argument(self, option_name, option_params):
return CustomArgument(option_name,
help_text=option_params.get('help', ''),
dest=option_params.get('dest'),
default=option_params.get('default'),
action=option_params.get('action'),
required=option_params.get('required'),
choices=option_params.get('choices'),
hidden=option_params.get('hidden', False))
def _handle_top_level_args(self, args):
if args.profile:
self._client_creator.context.set_config_variable(
'profile', args.profile)
if args.auth_config:
self._client_creator.context.set_config_variable(
'auth_config', args.auth_config)
if args.debug:
self._setup_logger(logging.DEBUG)
LOG.debug("CLI version: %s", self._user_agent_header)
LOG.debug("Arguments entered to CLI: %s", sys.argv[1:])
else:
self._setup_logger(logging.WARNING)
def _setup_logger(self, log_level):
ROOT_LOGGER.setLevel(logging.DEBUG)
ch = logging.StreamHandler()
ch.setLevel(log_level)
formatter = logging.Formatter(LOG_FORMAT)
ch.setFormatter(formatter)
ROOT_LOGGER.addHandler(ch)
def _create_default_retryhandler(self):
# We create one retryhandler based on the __default__ configuration in
# the _retry.json (in the 'data' directory). This retryhandler is used
# by all services.
config = self._load_retry_config()
if not config:
return
LOG.info("Using retry config: %s" % config)
return create_retry_handler(config)
def _load_retry_config(self):
original_config = self._loader.load_json('_retry.json')
retry_config = build_retry_config(
original_config['retry'], original_config.get('definitions', {}))
return retry_config
def _warn_for_old_python(self):
if sys.version_info[0] < 3 or \
(sys.version_info[0] == 3 and sys.version_info[1] < 5):
LOG.warn(
'You are running the CDP CLI under Python %s. The CDP CLI '
'will require Python 3.5 or higher starting in '
'January 2021. '
'Please upgrade now!', sys.version)
class CLIDriver(object):
def __init__(self):
self._loader = Loader()
self._endpoint_creator = EndpointCreator(EndpointResolver())
self._user_agent_header = self._build_user_agent_header()
self._response_parser_factory = ResponseParserFactory()
self._cli_data = self._loader.load_json('cli.json')
self._retryhandler = self._create_default_retryhandler()
self._available_services = self._loader.list_available_services()
self._command_table = self._build_command_table()
self._argument_table = self._build_argument_table()
self._context = Context()
self._client_creator = ClientCreator(self._loader, self._context,
self._endpoint_creator,
self._user_agent_header,
self._response_parser_factory,
self._retryhandler)
def main(self, args=None):
if args is None:
args = sys.argv[1:]
parser = self._create_parser()
command_table = self._get_command_table()
if len(args) == 0 or (len(args) == 1 and args[0] == '--help'):
args = ['help']
parsed_args, remaining = parser.parse_known_args(args)
try:
self._handle_top_level_args(parsed_args)
self._filter_command_table_for_form_factor(parsed_args)
self._warn_for_old_python()
self._warn_for_non_public_release()
return command_table[parsed_args.command](self._client_creator,
remaining, parsed_args)
except Exception as e:
LOG.debug("Exception caught in main()", exc_info=True)
sys.stderr.write("\n")
sys.stderr.write("%s\n" % six.text_type(e))
return 255
def _get_loader(self):
return self._loader
def _get_cli_data(self):
return self._cli_data
def _get_command_table(self):
return self._command_table
def _build_user_agent_header(self):
return 'CDPCLI/%s Python/%s %s/%s' % (VERSION, platform.python_version(
), platform.system(), platform.release())
def _build_command_table(self):
commands = OrderedDict()
services = self._get_available_services()
for service_name in services:
commands[service_name] = ServiceCommand(self, service_name)
ConfigureCommand.add_command(commands)
LoginCommand.add_command(commands)
LogoutCommand.add_command(commands)
RefdocCommand.add_command(commands)
return commands
def _filter_command_table_for_form_factor(self, parsed_args):
"""
Replaces services and operations in the command table that do not apply
to the current form factor with stubs that error out when called.
"""
# Find the form factor based on:
# 1. the form factor explicitly specified by --form-factor, or else
# 2. the configured form factor, or else
# 3. the explicit endpoint URL, or else
# 4. the configured CDP endpoint URL.
if parsed_args.form_factor:
form_factor = parsed_args.form_factor
else:
try:
form_factor = self._context.get_scoped_config().get(
'form_factor', None)
except ProfileNotFound:
form_factor = None
valid_form_factors = [dt.value for dt in list(DeploymentType)]
if form_factor and form_factor not in valid_form_factors:
raise InvalidConfiguredFormFactor(
form_factor=form_factor,
valid_form_factors=valid_form_factors)
if not form_factor:
endpoint_url = parsed_args.endpoint_url
if not endpoint_url:
try:
endpoint_url = self._context.get_scoped_config(). \
get(EndpointResolver.CDP_ENDPOINT_URL_KEY_NAME, None)
except ProfileNotFound:
endpoint_url = None
form_factor = \
ClassifyDeployment(endpoint_url).get_deployment_type().value
LOG.debug("Current form factor is {}".format(form_factor))
for command in list(self._command_table.keys()):
try:
# If the service does not apply to the current form factor,
# filter it out.
service_model = self._command_table[command].service_model
service_form_factors = service_model.form_factors
if form_factor not in service_form_factors:
self._command_table[command] = \
FilteredServiceCommand(self, command, form_factor,
service_form_factors)
else:
for operation_name in service_model.operation_names:
# If the operation does not apply to the current form
# factor, filter it out.
operation_model = service_model.operation_model(
operation_name)
operation_form_factors = operation_model.form_factors
if not operation_form_factors:
operation_form_factors = service_form_factors
if form_factor not in operation_form_factors:
self._command_table[command]. \
filter_operation(operation_name, form_factor,
operation_form_factors)
except AttributeError:
# not a service model, so available in all form factors
pass
def _get_argument_table(self):
return self._argument_table
def _build_argument_table(self):
argument_table = OrderedDict()
cli_data = self._get_cli_data()
cli_arguments = cli_data.get('options', None)
for option in cli_arguments:
option_params = copy_kwargs(cli_arguments[option])
cli_argument = self._create_cli_argument(option, option_params)
cli_argument.add_to_arg_table(argument_table)
return argument_table
def _get_available_services(self):
return self._available_services
def get_service_model(self, service_name):
service_data = self._loader.load_service_data(service_name)
return ServiceModel(service_data, service_name=service_name)
def _create_help_command(self):
cli_data = self._get_cli_data()
# We filter service aliases out of the service list at the bottom of the
# top level help.
commands = OrderedDict()
for service_name, command in self._get_command_table().items():
if not self._loader.is_service_alias(service_name):
commands[service_name] = command
return ProviderHelpCommand(commands, self._get_argument_table(),
cli_data.get('description', None),
cli_data.get('synopsis', None),
cli_data.get('help_usage', None))
def _create_parser(self):
command_table = self._get_command_table()
command_table['help'] = self._create_help_command()
cli_data = self._get_cli_data()
parser = MainArgParser(command_table, VERSION,
cli_data.get('description', None),
self._get_argument_table())
return parser
def _create_cli_argument(self, option_name, option_params):
return CustomArgument(option_name,
help_text=option_params.get('help', ''),
dest=option_params.get('dest'),
default=option_params.get('default'),
action=option_params.get('action'),
required=option_params.get('required'),
choices=option_params.get('choices'),
cli_type_name=option_params.get('type'),
hidden=option_params.get('hidden', False))
def _handle_top_level_args(self, args):
if args.profile:
self._client_creator.context.set_config_variable(
'profile', args.profile)
if args.auth_config:
self._client_creator.context.set_config_variable(
'auth_config', args.auth_config)
if args.debug:
self._setup_logger(logging.DEBUG)
LOG.debug("CLI version: %s", self._user_agent_header)
LOG.debug("Arguments entered to CLI: %s", sys.argv[1:])
else:
self._setup_logger(logging.WARNING)
if args.force_ipv4:
# Based on SO /a/46972341
LOG.debug("Forcing IPv4 connections only")
def _allowed_gai_family():
return socket.AF_INET
urllib3_connection.allowed_gai_family = _allowed_gai_family
def _setup_logger(self, log_level):
ROOT_LOGGER.setLevel(logging.DEBUG)
ch = logging.StreamHandler()
ch.setLevel(log_level)
formatter = logging.Formatter(LOG_FORMAT)
ch.setFormatter(formatter)
ROOT_LOGGER.addHandler(ch)
def _create_default_retryhandler(self):
# We create one retryhandler based on the __default__ configuration in
# the _retry.json (in the 'data' directory). This retryhandler is used
# by all services.
config = self._load_retry_config()
if not config:
return
LOG.info("Using retry config: %s" % config)
return create_retry_handler(config)
def _load_retry_config(self):
original_config = self._loader.load_json('_retry.json')
retry_config = build_retry_config(
original_config['retry'], original_config.get('definitions', {}))
return retry_config
def _warn_for_old_python(self):
if sys.version_info[0] < 3 or \
(sys.version_info[0] == 3 and sys.version_info[1] < 6):
LOG.warn(
'You are running the CDP CLI under Python %s. The CDP CLI '
'now requires Python 3.6 or higher. Please upgrade now to '
'avoid CLI errors.', sys.version)
def _warn_for_non_public_release(self):
if RELEASE != 'PUBLIC':
if RELEASE == 'INTERNAL':
article = 'an'
else:
article = 'a'
LOG.warn('You are running {0} {1} release of the CDP CLI, which '
'has different capabilities from the standard public '
'release. Find the public release at: '
'https://pypi.org/project/cdpcli/'.format(
article, RELEASE))