#!/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 . DOCUMENTATION = """ --- module: ec2_lc short_description: Create or delete AWS Autoscaling Launch Configurations description: - Can create or delete AwS Autoscaling Configurations - Works with the ec2_asg module to manage Autoscaling Groups version_added: "1.6" author: Gareth Rushgrove options: state: description: - register or deregister the instance required: true choices: ['present', 'absent'] name: description: - Unique name for configuration required: true instance_type: description: - instance type to use for the instance required: true default: null aliases: [] image_id: description: - The AMI unique identifier to be used for the group required: false key_name: description: - The SSH key name to be used for access to managed instances required: false security_groups: description: - A list of security groups into which instances should be found required: false 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'] volumes: description: - a list of volume dicts, each containing device name and optionally ephemeral id or snapshot id. Size and type (and number of iops for io device type) must be specified for a new volume or a root volume, and may be passed for a snapshot volume. For any volume, a volume size less than 1 will be interpreted as a request not to create the volume. required: false default: null aliases: [] user_data: description: - opaque blob of data which is made available to the ec2 instance required: false default: null aliases: [] extends_documentation_fragment: aws """ EXAMPLES = ''' - ec2_lc: name: special image_id: ami-XXX key_name: default security_groups: 'group,group2' ''' import sys import time from ansible.module_utils.basic import * from ansible.module_utils.ec2 import * try: from boto.ec2.blockdevicemapping import BlockDeviceType, BlockDeviceMapping import boto.ec2.autoscale from boto.ec2.autoscale import LaunchConfiguration from boto.exception import BotoServerError except ImportError: print "failed=True msg='boto required for this module'" sys.exit(1) def create_block_device(module, volume): # Not aware of a way to determine this programatically # http://aws.amazon.com/about-aws/whats-new/2013/10/09/ebs-provisioned-iops-maximum-iops-gb-ratio-increased-to-30-1/ MAX_IOPS_TO_SIZE_RATIO = 30 if 'snapshot' not in volume and 'ephemeral' not in volume: if 'volume_size' not in volume: module.fail_json(msg='Size must be specified when creating a new volume or modifying the root volume') if 'snapshot' in volume: if 'device_type' in volume and volume.get('device_type') == 'io1' and 'iops' not in volume: module.fail_json(msg='io1 volumes must have an iops value set') if 'ephemeral' in volume: if 'snapshot' in volume: module.fail_json(msg='Cannot set both ephemeral and snapshot') return BlockDeviceType(snapshot_id=volume.get('snapshot'), ephemeral_name=volume.get('ephemeral'), size=volume.get('volume_size'), volume_type=volume.get('device_type'), delete_on_termination=volume.get('delete_on_termination', False), iops=volume.get('iops')) def create_launch_config(connection, module): name = module.params.get('name') image_id = module.params.get('image_id') key_name = module.params.get('key_name') security_groups = module.params['security_groups'] user_data = module.params.get('user_data') volumes = module.params['volumes'] instance_type = module.params.get('instance_type') bdm = BlockDeviceMapping() if volumes: for volume in volumes: if 'device_name' not in volume: module.fail_json(msg='Device name must be set for volume') # Minimum volume size is 1GB. We'll use volume size explicitly set to 0 # to be a signal not to create this volume if 'volume_size' not in volume or int(volume['volume_size']) > 0: bdm[volume['device_name']] = create_block_device(module, volume) lc = LaunchConfiguration( name=name, image_id=image_id, key_name=key_name, security_groups=security_groups, user_data=user_data, block_device_mappings=[bdm], instance_type=instance_type) launch_configs = connection.get_all_launch_configurations(names=[name]) changed = False if not launch_configs: try: connection.create_launch_configuration(lc) launch_configs = connection.get_all_launch_configurations(names=[name]) changed = True except BotoServerError, e: module.fail_json(msg=str(e)) result = launch_configs[0] module.exit_json(changed=changed, name=result.name, created_time=str(result.created_time), image_id=result.image_id, arn=result.launch_configuration_arn, security_groups=result.security_groups, instance_type=instance_type) def delete_launch_config(connection, module): name = module.params.get('name') launch_configs = connection.get_all_launch_configurations(names=[name]) if launch_configs: launch_configs[0].delete() module.exit_json(changed=True) else: module.exit_json(changed=False) def main(): argument_spec = ec2_argument_spec() argument_spec.update( dict( name=dict(required=True, type='str'), image_id=dict(type='str'), key_name=dict(type='str'), security_groups=dict(type='list'), user_data=dict(type='str'), volumes=dict(type='list'), instance_type=dict(type='str'), state=dict(default='present', choices=['present', 'absent']), ) ) module = AnsibleModule(argument_spec=argument_spec) region, ec2_url, aws_connect_params = get_aws_connection_info(module) try: connection = connect_to_aws(boto.ec2.autoscale, region, **aws_connect_params) except boto.exception.NoAuthHandlerFound, e: module.fail_json(msg=str(e)) state = module.params.get('state') if state == 'present': create_launch_config(connection, module) elif state == 'absent': delete_launch_config(connection, module) main()