Current File : //proc/self/root/lib/python2.7/site-packages/ansible/module_utils/gcp.py
# This code is part of Ansible, but is an independent component.
# This particular file snippet, and this file snippet only, is BSD licensed.
# Modules you write using this snippet, which is embedded dynamically by Ansible
# still belong to the author of the module, and may assign their own license
# to the complete work.
#
# Copyright (c), Franck Cuny <franck.cuny@gmail.com>, 2014
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
import json
import os
import traceback
from distutils.version import LooseVersion
try:
import libcloud
HAS_LIBCLOUD_BASE = True
except ImportError:
HAS_LIBCLOUD_BASE = False
def gcp_connect(module, provider, get_driver, user_agent_product, user_agent_version):
"""Return a Google Cloud Platform connection."""
if not HAS_LIBCLOUD_BASE:
module.fail_json(msg='libcloud must be installed to use this module')
service_account_email = module.params.get('service_account_email', None)
credentials_file = module.params.get('credentials_file', None)
pem_file = module.params.get('pem_file', None)
project_id = module.params.get('project_id', None)
# If any of the values are not given as parameters, check the appropriate
# environment variables.
if not service_account_email:
service_account_email = os.environ.get('GCE_EMAIL', None)
if not project_id:
project_id = os.environ.get('GCE_PROJECT', None)
if not pem_file:
pem_file = os.environ.get('GCE_PEM_FILE_PATH', None)
if not credentials_file:
credentials_file = os.environ.get('GCE_CREDENTIALS_FILE_PATH', pem_file)
# If we still don't have one or more of our credentials, attempt to
# get the remaining values from the libcloud secrets file.
if service_account_email is None or pem_file is None:
try:
import secrets
except ImportError:
secrets = None
if hasattr(secrets, 'GCE_PARAMS'):
if not service_account_email:
service_account_email = secrets.GCE_PARAMS[0]
if not credentials_file:
credentials_file = secrets.GCE_PARAMS[1]
keyword_params = getattr(secrets, 'GCE_KEYWORD_PARAMS', {})
if not project_id:
project_id = keyword_params.get('project', None)
# If we *still* don't have the credentials we need, then it's time to
# just fail out.
if service_account_email is None or credentials_file is None or project_id is None:
module.fail_json(msg='Missing GCE connection parameters in libcloud '
'secrets file.')
return None
else:
# We have credentials but lets make sure that if they are JSON we have the minimum
# libcloud requirement met
try:
# Try to read credentials as JSON
with open(credentials_file) as credentials:
json.loads(credentials.read())
# If the credentials are proper JSON and we do not have the minimum
# required libcloud version, bail out and return a descriptive error
if LooseVersion(libcloud.__version__) < '0.17.0':
module.fail_json(msg='Using JSON credentials but libcloud minimum version not met. '
'Upgrade to libcloud>=0.17.0.')
return None
except ValueError as e:
# Not JSON
pass
try:
gcp = get_driver(provider)(service_account_email, credentials_file,
datacenter=module.params.get('zone', None),
project=project_id)
gcp.connection.user_agent_append("%s/%s" % (
user_agent_product, user_agent_version))
except (RuntimeError, ValueError) as e:
module.fail_json(msg=str(e), changed=False)
except Exception as e:
module.fail_json(msg=unexpected_error_msg(e), changed=False)
return gcp
def unexpected_error_msg(error):
"""Create an error string based on passed in error."""
return 'Unexpected response: (%s). Detail: %s' % (str(error), traceback.format_exc(error))
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