206 lines
7.6 KiB
Python
206 lines
7.6 KiB
Python
# This code is part of Ansible, but is an independent component.
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# This particular file snippet, and this file snippet only, is BSD licensed.
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# Modules you write using this snippet, which is embedded dynamically by Ansible
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# still belong to the author of the module, and may assign their own license
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# to the complete work.
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#
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# Copyright (c), Michael DeHaan <michael.dehaan@gmail.com>, 2012-2013
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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try:
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import boto.ec2
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except:
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pass # error should already be covered by import boto
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try:
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from distutils.version import LooseVersion
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HAS_LOOSE_VERSION = True
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except:
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HAS_LOOSE_VERSION = False
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AWS_REGIONS = [
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'ap-northeast-1',
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'ap-southeast-1',
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'ap-southeast-2',
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'cn-north-1',
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'eu-central-1',
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'eu-west-1',
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'eu-central-1',
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'sa-east-1',
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'us-east-1',
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'us-west-1',
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'us-west-2',
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'us-gov-west-1',
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]
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def aws_common_argument_spec():
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return dict(
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ec2_url=dict(),
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aws_secret_key=dict(aliases=['ec2_secret_key', 'secret_key'], no_log=True),
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aws_access_key=dict(aliases=['ec2_access_key', 'access_key']),
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validate_certs=dict(default=True, type='bool'),
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security_token=dict(no_log=True),
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profile=dict(),
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)
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def ec2_argument_spec():
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spec = aws_common_argument_spec()
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spec.update(
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dict(
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region=dict(aliases=['aws_region', 'ec2_region'], choices=AWS_REGIONS),
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)
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)
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return spec
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def boto_supports_profile_name():
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return hasattr(boto.ec2.EC2Connection, 'profile_name')
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def get_aws_connection_info(module):
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# Check module args for credentials, then check environment vars
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# access_key
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ec2_url = module.params.get('ec2_url')
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access_key = module.params.get('aws_access_key')
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secret_key = module.params.get('aws_secret_key')
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security_token = module.params.get('security_token')
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region = module.params.get('region')
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profile_name = module.params.get('profile')
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validate_certs = module.params.get('validate_certs')
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if not ec2_url:
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if 'EC2_URL' in os.environ:
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ec2_url = os.environ['EC2_URL']
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elif 'AWS_URL' in os.environ:
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ec2_url = os.environ['AWS_URL']
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if not access_key:
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if 'EC2_ACCESS_KEY' in os.environ:
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access_key = os.environ['EC2_ACCESS_KEY']
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elif 'AWS_ACCESS_KEY_ID' in os.environ:
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access_key = os.environ['AWS_ACCESS_KEY_ID']
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elif 'AWS_ACCESS_KEY' in os.environ:
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access_key = os.environ['AWS_ACCESS_KEY']
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else:
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# in case access_key came in as empty string
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access_key = None
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if not secret_key:
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if 'EC2_SECRET_KEY' in os.environ:
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secret_key = os.environ['EC2_SECRET_KEY']
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elif 'AWS_SECRET_ACCESS_KEY' in os.environ:
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secret_key = os.environ['AWS_SECRET_ACCESS_KEY']
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elif 'AWS_SECRET_KEY' in os.environ:
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secret_key = os.environ['AWS_SECRET_KEY']
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else:
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# in case secret_key came in as empty string
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secret_key = None
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if not region:
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if 'EC2_REGION' in os.environ:
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region = os.environ['EC2_REGION']
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elif 'AWS_REGION' in os.environ:
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region = os.environ['AWS_REGION']
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else:
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# boto.config.get returns None if config not found
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region = boto.config.get('Boto', 'aws_region')
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if not region:
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region = boto.config.get('Boto', 'ec2_region')
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if not security_token:
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if 'AWS_SECURITY_TOKEN' in os.environ:
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security_token = os.environ['AWS_SECURITY_TOKEN']
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else:
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# in case security_token came in as empty string
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security_token = None
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boto_params = dict(aws_access_key_id=access_key,
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aws_secret_access_key=secret_key,
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security_token=security_token)
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# profile_name only works as a key in boto >= 2.24
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# so only set profile_name if passed as an argument
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if profile_name:
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if not boto_supports_profile_name():
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module.fail_json("boto does not support profile_name before 2.24")
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boto_params['profile_name'] = profile_name
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if validate_certs and HAS_LOOSE_VERSION and LooseVersion(boto.Version) >= LooseVersion("2.6.0"):
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boto_params['validate_certs'] = validate_certs
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return region, ec2_url, boto_params
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def get_ec2_creds(module):
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''' for compatibility mode with old modules that don't/can't yet
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use ec2_connect method '''
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region, ec2_url, boto_params = get_aws_connection_info(module)
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return ec2_url, boto_params['aws_access_key_id'], boto_params['aws_secret_access_key'], region
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def boto_fix_security_token_in_profile(conn, profile_name):
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''' monkey patch for boto issue boto/boto#2100 '''
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profile = 'profile ' + profile_name
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if boto.config.has_option(profile, 'aws_security_token'):
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conn.provider.set_security_token(boto.config.get(profile, 'aws_security_token'))
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return conn
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def connect_to_aws(aws_module, region, **params):
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conn = aws_module.connect_to_region(region, **params)
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if not conn:
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if region not in [aws_module_region.name for aws_module_region in aws_module.regions()]:
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raise StandardError("Region %s does not seem to be available for aws module %s. If the region definitely exists, you may need to upgrade boto" % (region, aws_module.__name__))
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else:
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raise StandardError("Unknown problem connecting to region %s for aws module %s." % (region, aws_module.__name__))
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if params.get('profile_name'):
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conn = boto_fix_security_token_in_profile(conn, params['profile_name'])
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return conn
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def ec2_connect(module):
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""" Return an ec2 connection"""
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region, ec2_url, boto_params = get_aws_connection_info(module)
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# If we have a region specified, connect to its endpoint.
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if region:
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try:
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ec2 = connect_to_aws(boto.ec2, region, **boto_params)
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except (boto.exception.NoAuthHandlerFound, StandardError), e:
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module.fail_json(msg=str(e))
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# Otherwise, no region so we fallback to the old connection method
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elif ec2_url:
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try:
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ec2 = boto.connect_ec2_endpoint(ec2_url, **boto_params)
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except (boto.exception.NoAuthHandlerFound, StandardError), e:
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module.fail_json(msg=str(e))
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else:
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module.fail_json(msg="Either region or ec2_url must be specified")
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return ec2
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