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#!/usr/bin/python
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
ANSIBLE_METADATA = {'status': ['preview'],
'supported_by': 'community',
'version': '1.0'}
DOCUMENTATION = """
---
module: cloudtrail
short_description: manage CloudTrail creation and deletion
description:
- Creates or deletes CloudTrail configuration. Ensures logging is also enabled.
version_added: "2.0"
author:
- "Ansible Core Team"
- "Ted Timmons"
requirements:
- "boto >= 2.21"
options:
state:
description:
- add or remove CloudTrail configuration.
required: true
choices: ['enabled', 'disabled']
name:
description:
- name for given CloudTrail configuration.
- This is a primary key and is used to identify the configuration.
s3_bucket_prefix:
description:
- bucket to place CloudTrail in.
- this bucket should exist and have the proper policy. See U(http://docs.aws.amazon.com/awscloudtrail/latest/userguide/aggregating_logs_regions_bucket_policy.html)
- required when state=enabled.
required: false
s3_key_prefix:
description:
- prefix to keys in bucket. A trailing slash is not necessary and will be removed.
required: false
include_global_events:
description:
- record API calls from global services such as IAM and STS?
required: false
default: false
choices: ["true", "false"]
aws_secret_key:
description:
- AWS secret key. If not set then the value of the AWS_SECRET_KEY environment variable is used.
required: false
default: null
aliases: [ 'ec2_secret_key', 'secret_key' ]
version_added: "1.5"
aws_access_key:
description:
- AWS access key. If not set then the value of the AWS_ACCESS_KEY environment variable is used.
required: false
default: null
aliases: [ 'ec2_access_key', 'access_key' ]
version_added: "1.5"
region:
description:
- The AWS region to use. If not specified then the value of the EC2_REGION environment variable, if any, is used.
required: false
aliases: ['aws_region', 'ec2_region']
version_added: "1.5"
extends_documentation_fragment: aws
"""
EXAMPLES = """
- name: enable cloudtrail
local_action:
module: cloudtrail
state: enabled
name: main
s3_bucket_name: ourbucket
s3_key_prefix: cloudtrail
region: us-east-1
- name: enable cloudtrail with different configuration
local_action:
module: cloudtrail
state: enabled
name: main
s3_bucket_name: ourbucket2
s3_key_prefix: ''
region: us-east-1
- name: remove cloudtrail
local_action:
module: cloudtrail
state: disabled
name: main
region: us-east-1
"""
HAS_BOTO = False
try:
import boto
import boto.cloudtrail
from boto.regioninfo import RegionInfo
HAS_BOTO = True
except ImportError:
HAS_BOTO = False
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.ec2 import connect_to_aws, ec2_argument_spec, get_ec2_creds
class CloudTrailManager:
"""Handles cloudtrail configuration"""
def __init__(self, module, region=None, **aws_connect_params):
self.module = module
self.region = region
self.aws_connect_params = aws_connect_params
self.changed = False
try:
self.conn = connect_to_aws(boto.cloudtrail, self.region, **self.aws_connect_params)
except boto.exception.NoAuthHandlerFound as e:
self.module.fail_json(msg=str(e))
def view_status(self, name):
return self.conn.get_trail_status(name)
def view(self, name):
ret = self.conn.describe_trails(trail_name_list=[name])
trailList = ret.get('trailList', [])
if len(trailList) == 1:
return trailList[0]
return None
def exists(self, name=None):
ret = self.view(name)
if ret:
return True
return False
def enable_logging(self, name):
'''Turn on logging for a cloudtrail that already exists. Throws Exception on error.'''
self.conn.start_logging(name)
def enable(self, **create_args):
return self.conn.create_trail(**create_args)
def update(self, **create_args):
return self.conn.update_trail(**create_args)
def delete(self, name):
'''Delete a given cloudtrial configuration. Throws Exception on error.'''
self.conn.delete_trail(name)
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(dict(
state={'required': True, 'choices': ['enabled', 'disabled']},
name={'required': True, 'type': 'str'},
s3_bucket_name={'required': False, 'type': 'str'},
s3_key_prefix={'default': '', 'required': False, 'type': 'str'},
include_global_events={'default': True, 'required': False, 'type': 'bool'},
))
required_together = (['state', 's3_bucket_name'])
module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True, required_together=required_together)
if not HAS_BOTO:
module.fail_json(msg='boto is required.')
ec2_url, access_key, secret_key, region = get_ec2_creds(module)
aws_connect_params = dict(aws_access_key_id=access_key,
aws_secret_access_key=secret_key)
if not region:
module.fail_json(msg="Region must be specified as a parameter, in EC2_REGION or AWS_REGION environment variables or in boto configuration file")
ct_name = module.params['name']
s3_bucket_name = module.params['s3_bucket_name']
# remove trailing slash from the key prefix, really messes up the key structure.
s3_key_prefix = module.params['s3_key_prefix'].rstrip('/')
include_global_events = module.params['include_global_events']
#if module.params['state'] == 'present' and 'ec2_elbs' not in module.params:
# module.fail_json(msg="ELBs are required for registration or viewing")
cf_man = CloudTrailManager(module, region=region, **aws_connect_params)
results = { 'changed': False }
if module.params['state'] == 'enabled':
results['exists'] = cf_man.exists(name=ct_name)
if results['exists']:
results['view'] = cf_man.view(ct_name)
# only update if the values have changed.
if results['view']['S3BucketName'] != s3_bucket_name or \
results['view'].get('S3KeyPrefix', '') != s3_key_prefix or \
results['view']['IncludeGlobalServiceEvents'] != include_global_events:
if not module.check_mode:
results['update'] = cf_man.update(name=ct_name, s3_bucket_name=s3_bucket_name, s3_key_prefix=s3_key_prefix, include_global_service_events=include_global_events)
results['changed'] = True
else:
if not module.check_mode:
# doesn't exist. create it.
results['enable'] = cf_man.enable(name=ct_name, s3_bucket_name=s3_bucket_name, s3_key_prefix=s3_key_prefix, include_global_service_events=include_global_events)
results['changed'] = True
# given cloudtrail should exist now. Enable the logging.
results['view_status'] = cf_man.view_status(ct_name)
results['was_logging_enabled'] = results['view_status'].get('IsLogging', False)
if not results['was_logging_enabled']:
if not module.check_mode:
cf_man.enable_logging(ct_name)
results['logging_enabled'] = True
results['changed'] = True
# delete the cloudtrai
elif module.params['state'] == 'disabled':
# check to see if it exists before deleting.
results['exists'] = cf_man.exists(name=ct_name)
if results['exists']:
# it exists, so we should delete it and mark changed.
if not module.check_mode:
cf_man.delete(ct_name)
results['changed'] = True
module.exit_json(**results)
if __name__ == '__main__':
main()
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