# Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.

#

# Licensed under the Apache License, Version 2.0 (the "License"). You

# may not use this file except in compliance with the License. A copy of

# the License is located at

#

# http://aws.amazon.com/apache2.0/

#

# or in the "license" file accompanying this file. This file is

# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF

# ANY KIND, either express or implied. See the License for the specific

# language governing permissions and limitations under the License.

import os

import sys

import errno

from awscli.customizations.codedeploy.utils import validate_instance, \

validate_region

from awscli.customizations.commands import BasicCommand

class Uninstall(BasicCommand):

NAME = 'uninstall'

DESCRIPTION = (

'Uninstalls the AWS CodeDeploy Agent from the on-premises instance.'

)

def _run_main(self, parsed_args, parsed_globals):

params = parsed_args

params.session = self._session

validate_region(params, parsed_globals)

validate_instance(params)

params.system.validate_administrator()

try:

self._uninstall_agent(params)

self._delete_config_file(params)

except Exception as e:

sys.stdout.flush()

sys.stderr.write(

'ERROR\n'

'{0}\n'

'Uninstall the AWS CodeDeploy Agent on the on-premises '

'instance by following the instructions in "Configure '

'Existing On-Premises Instances by Using AWS CodeDeploy" in '

'the AWS CodeDeploy User Guide.\n'.format(e)

)

def _uninstall_agent(self, params):

sys.stdout.write('Uninstalling the AWS CodeDeploy Agent... ')

params.system.uninstall(params)

sys.stdout.write('DONE\n')

def _delete_config_file(self, params):

sys.stdout.write('Deleting the on-premises instance configuration... ')

try:

os.remove(params.system.CONFIG_PATH)

except OSError as e:

if e.errno != errno.ENOENT:

raise e

sys.stdout.write('DONE\n')