def __deploy(self, deployer, stack_name, template_str,
parameters, capabilities, execute_changeset, role_arn,
notification_arns, s3_uploader, tags, fail_on_empty_changeset=True):
try:
result = deployer.create_and_wait_for_changeset(
stack_name=stack_name,
cfn_template=template_str,
parameter_values=parameters,
capabilities=capabilities,
role_arn=role_arn,
notification_arns=notification_arns,
s3_uploader=s3_uploader,
tags=tags
)
except exceptions.ChangeEmptyError as ex:
if fail_on_empty_changeset:
raise
write_exception(ex, outfile=get_stdout_text_writer())
return 0
if execute_changeset:
deployer.execute_changeset(result.changeset_id, stack_name)
deployer.wait_for_execute(stack_name, result.changeset_type)
sys.stdout.write(self._MSG_EXECUTE_SUCCESS.format(stack_name=stack_name))
else:
sys.stdout.write(self.MSG_NO_EXECUTE_SUCCESS.format(changeset_id=result.changeset_id))
sys.stdout.flush()
return 0
def deploy(self, deployer, stack_name, template_str,
parameters, capabilities, execute_changeset, role_arn,
notification_arns, s3_uploader, tags,
fail_on_empty_changeset=True):
try:
result = deployer.create_and_wait_for_changeset(
stack_name=stack_name,
cfn_template=template_str,
parameter_values=parameters,
capabilities=capabilities,
role_arn=role_arn,
notification_arns=notification_arns,
s3_uploader=s3_uploader,
tags=tags
)
except exceptions.ChangeEmptyError as ex:
if fail_on_empty_changeset:
raise
write_exception(ex, outfile=get_stdout_text_writer())
return 0
if execute_changeset:
deployer.execute_changeset(result.changeset_id, stack_name)
deployer.wait_for_execute(stack_name, result.changeset_type)
sys.stdout.write(self.MSG_EXECUTE_SUCCESS.format(
stack_name=stack_name))
else:
sys.stdout.write(self.MSG_NO_EXECUTE_CHANGESET.format(
changeset_id=result.changeset_id))
sys.stdout.flush()
return 0
def test_write_exception(self):
error_message = "Some error message."
ex = Exception(error_message)
with codecs.open(self.outfile, 'w+', encoding='utf-8') as outfile:
write_exception(ex, outfile)
outfile.seek(0)
expected_output = ("\n%s\n" % error_message)
self.assertEqual(outfile.read(), expected_output)
def test_write_exception(self):
error_message = "Some error message."
ex = Exception(error_message)
with codecs.open(self.outfile, 'w+', encoding='utf-8') as outfile:
write_exception(ex, outfile)
outfile.seek(0)
expected_output = (
"\n%s\n" % error_message
)
self.assertEqual(outfile.read(), expected_output)
def main(self, args=None):
"""
:param args: List of arguments, with the 'aws' removed. For example,
the command "aws s3 list-objects --bucket foo" will have an
args list of ``['s3', 'list-objects', '--bucket', 'foo']``.
"""
if args is None:
args = sys.argv[1:]
command_table = self._get_command_table()
parser = self._create_parser(command_table)
self._add_aliases(command_table, parser)
parsed_args, remaining = parser.parse_known_args(args)
try:
# Because _handle_top_level_args emits events, it's possible
# that exceptions can be raised, which should have the same
# general exception handling logic as calling into the
# command table. This is why it's in the try/except clause.
self._handle_top_level_args(parsed_args)
self._emit_session_event(parsed_args)
HISTORY_RECORDER.record('CLI_VERSION', self.session.user_agent(),
'CLI')
HISTORY_RECORDER.record('CLI_ARGUMENTS', args, 'CLI')
return command_table[parsed_args.command](remaining, parsed_args)
except UnknownArgumentError as e:
sys.stderr.write("usage: %s\n" % USAGE)
sys.stderr.write(str(e))
sys.stderr.write("\n")
return 255
except NoRegionError as e:
msg = ('%s You can also configure your region by running '
'"aws configure".' % e)
self._show_error(msg)
return 255
except NoCredentialsError as e:
msg = ('%s. You can configure credentials by running '
'"aws configure".' % e)
self._show_error(msg)
return 255
except KeyboardInterrupt:
# Shell standard for signals that terminate
# the process is to return 128 + signum, in this case
# SIGINT=2, so we'll have an RC of 130.
sys.stdout.write("\n")
return 128 + signal.SIGINT
except Exception as e:
LOG.debug("Exception caught in main()", exc_info=True)
LOG.debug("Exiting with rc 255")
write_exception(e, outfile=get_stderr_text_writer())
return 255
def main(self, args=None):
"""
:param args: List of arguments, with the 'aws' removed. For example,
the command "aws s3 list-objects --bucket foo" will have an
args list of ``['s3', 'list-objects', '--bucket', 'foo']``.
"""
if args is None:
args = sys.argv[1:]
command_table = self._get_command_table()
parser = self._create_parser(command_table)
self._add_aliases(command_table, parser)
parsed_args, remaining = parser.parse_known_args(args)
try:
# Because _handle_top_level_args emits events, it's possible
# that exceptions can be raised, which should have the same
# general exception handling logic as calling into the
# command table. This is why it's in the try/except clause.
self._handle_top_level_args(parsed_args)
self._emit_session_event(parsed_args)
HISTORY_RECORDER.record(
'CLI_VERSION', self.session.user_agent(), 'CLI')
HISTORY_RECORDER.record('CLI_ARGUMENTS', args, 'CLI')
return command_table[parsed_args.command](remaining, parsed_args)
except UnknownArgumentError as e:
sys.stderr.write("usage: %s\n" % USAGE)
sys.stderr.write(str(e))
sys.stderr.write("\n")
return 255
except NoRegionError as e:
msg = ('%s You can also configure your region by running '
'"aws configure".' % e)
self._show_error(msg)
return 255
except NoCredentialsError as e:
msg = ('%s. You can configure credentials by running '
'"aws configure".' % e)
self._show_error(msg)
return 255
except KeyboardInterrupt:
# Shell standard for signals that terminate
# the process is to return 128 + signum, in this case
# SIGINT=2, so we'll have an RC of 130.
sys.stdout.write("\n")
return 128 + signal.SIGINT
except Exception as e:
LOG.debug("Exception caught in main()", exc_info=True)
LOG.debug("Exiting with rc 255")
write_exception(e, outfile=get_stderr_text_writer())
return 255