Add os_stack module for create, update and delete stack (#2002)
* Add os_stack module for create and delete stack
* Add ansible module for creating and deleting heat stack
* Parameters:
- stack name
- template
- environment_files (list)
- parameters (dict)
- timeout
- rollback
- state: In a near futur I would like to improve
this module by providing a way updating the stack
if already exist. Shade doesn't offer this functionality
AFAIK
* Add update stack feature
* Update added_version and return doc
* Add copyright for os_stack module
* Add wait user choice and minor fixes
* Remove Todo for Shade 1.8.0 and bad line example
* Add documentation for the return values
* Fix type on return value
* Fix yaml syntax
* Cast message to string instead
* add missing check mode
This commit is contained in:
mathieu bultel
David Shrewsbury
parent
8285bbda6a
commit
c6a45234e0
1 changed files with 262 additions and 0 deletions
262
cloud/openstack/os_stack.py
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262
cloud/openstack/os_stack.py
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#!/usr/bin/python
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#coding: utf-8 -*-
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# (c) 2016, Mathieu Bultel <mbultel@redhat.com>
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# (c) 2016, Steve Baker <sbaker@redhat.com>
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#
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# This module is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This software is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this software. If not, see <http://www.gnu.org/licenses/>.
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from time import sleep
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from distutils.version import StrictVersion
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try:
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import shade
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HAS_SHADE = True
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except ImportError:
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HAS_SHADE = False
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DOCUMENTATION = '''
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---
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module: os_stack
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short_description: Add/Remove Heat Stack
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extends_documentation_fragment: openstack
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version_added: "2.2"
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author: "Mathieu Bultel (matbu), Steve Baker (steveb)"
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description:
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- Add or Remove a Stack to an OpenStack Heat
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options:
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state:
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description:
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- Indicate desired state of the resource
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choices: ['present', 'absent']
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required: false
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default: present
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name:
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description:
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- Name of the stack that should be created, name could be char and digit, no space
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required: true
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template:
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description:
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- Path of the template file to use for the stack creation
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required: false
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default: None
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environment:
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description:
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- List of environment files that should be used for the stack creation
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required: false
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default: None
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parameters:
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description:
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- Dictionary of parameters for the stack creation
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required: false
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default: None
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rollback:
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description:
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- Rollback stack creation
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required: false
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default: false
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timeout:
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description:
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- Maximum number of seconds to wait for the stack creation
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required: false
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default: 3600
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requirements:
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- "python >= 2.6"
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- "shade"
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'''
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EXAMPLES = '''
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---
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- name: create stack
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ignore_errors: True
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register: stack_create
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os_stack:
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name: "{{ stack_name }}"
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state: present
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template: "/path/to/my_stack.yaml"
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environment:
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- /path/to/resource-registry.yaml
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- /path/to/environment.yaml
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parameters:
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bmc_flavor: m1.medium
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bmc_image: CentOS
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key_name: default
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private_net: {{ private_net_param }}
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node_count: 2
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name: undercloud
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image: CentOS
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my_flavor: m1.large
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external_net: {{ external_net_param }}
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'''
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RETURN = '''
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id:
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description: Stack ID.
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type: string
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sample: "97a3f543-8136-4570-920e-fd7605c989d6"
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stack:
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action:
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description: Action, could be Create or Update.
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type: string
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sample: "CREATE"
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creation_time:
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description: Time when the action has been made.
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type: string
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sample: "2016-07-05T17:38:12Z"
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description:
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description: Description of the Stack provided in the heat template.
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type: string
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sample: "HOT template to create a new instance and networks"
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id:
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description: Stack ID.
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type: string
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sample: "97a3f543-8136-4570-920e-fd7605c989d6"
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name:
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description: Name of the Stack
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type: string
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sample: "test-stack"
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identifier:
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description: Identifier of the current Stack action.
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type: string
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sample: "test-stack/97a3f543-8136-4570-920e-fd7605c989d6"
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links:
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description: Links to the current Stack.
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type: list of dict
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sample: "[{'href': 'http://foo:8004/v1/7f6a/stacks/test-stack/97a3f543-8136-4570-920e-fd7605c989d6']"
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outputs:
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description: Output returned by the Stack.
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type: list of dict
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sample: "{'description': 'IP address of server1 in private network',
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'output_key': 'server1_private_ip',
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'output_value': '10.1.10.103'}"
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parameters:
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description: Parameters of the current Stack
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type: dict
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sample: "{'OS::project_id': '7f6a3a3e01164a4eb4eecb2ab7742101',
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'OS::stack_id': '97a3f543-8136-4570-920e-fd7605c989d6',
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'OS::stack_name': 'test-stack',
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'stack_status': 'CREATE_COMPLETE',
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'stack_status_reason': 'Stack CREATE completed successfully',
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'status': 'COMPLETE',
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'template_description': 'HOT template to create a new instance and networks',
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'timeout_mins': 60,
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'updated_time': null}"
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'''
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def _create_stack(module, stack, cloud):
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try:
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stack = cloud.create_stack(module.params['name'],
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template_file=module.params['template'],
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environment_files=module.params['environment'],
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timeout=module.params['timeout'],
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wait=True,
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rollback=module.params['rollback'],
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**module.params['parameters'])
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stack = cloud.get_stack(stack.id, None)
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if stack.stack_status == 'CREATE_COMPLETE':
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return stack
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else:
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return False
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module.fail_json(msg = "Failure in creating stack: ".format(stack))
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except shade.OpenStackCloudException as e:
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module.fail_json(msg=str(e))
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def _update_stack(module, stack, cloud):
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try:
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stack = cloud.update_stack(
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module.params['name'],
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template_file=module.params['template'],
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environment_files=module.params['environment'],
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timeout=module.params['timeout'],
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rollback=module.params['rollback'],
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wait=module.params['wait'])
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if stack['stack_status'] == 'UPDATE_COMPLETE':
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return stack
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else:
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module.fail_json(msg = "Failure in updating stack: %s" %
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stack['stack_status_reason'])
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except shade.OpenStackCloudException as e:
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module.fail_json(msg=str(e))
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def _system_state_change(module, stack, cloud):
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state = module.params['state']
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if state == 'present':
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if not stack:
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return True
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if state == 'absent' and stack:
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return True
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return False
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def main():
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argument_spec = openstack_full_argument_spec(
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name=dict(required=True),
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template=dict(default=None),
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environment=dict(default=None, type='list'),
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parameters=dict(default={}, type='dict'),
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rollback=dict(default=False, type='bool'),
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timeout=dict(default=3600, type='int'),
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state=dict(default='present', choices=['absent', 'present']),
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)
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module_kwargs = openstack_module_kwargs()
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module = AnsibleModule(argument_spec,
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supports_check_mode=True,
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**module_kwargs)
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# stack API introduced in 1.8.0
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if not HAS_SHADE or (StrictVersion(shade.__version__) < StrictVersion('1.8.0')):
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module.fail_json(msg='shade 1.8.0 or higher is required for this module')
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state = module.params['state']
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name = module.params['name']
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# Check for required parameters when state == 'present'
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if state == 'present':
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for p in ['template']:
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if not module.params[p]:
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module.fail_json(msg='%s required with present state' % p)
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try:
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cloud = shade.openstack_cloud(**module.params)
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stack = cloud.get_stack(name)
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if module.check_mode:
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module.exit_json(changed=_system_state_change(module, stack,
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cloud))
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if state == 'present':
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if not stack:
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stack = _create_stack(module, stack, cloud)
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else:
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stack = _update_stack(module, stack, cloud)
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changed = True
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module.exit_json(changed=changed,
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stack=stack,
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id=stack.id)
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elif state == 'absent':
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if not stack:
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changed = False
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else:
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changed = True
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if not cloud.delete_stack(name, wait=module.params['wait']):
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module.fail_json(msg='delete stack failed for stack: %s' % name)
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module.exit_json(changed=changed)
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except shade.OpenStackCloudException as e:
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module.fail_json(msg=str(e))
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from ansible.module_utils.basic import *
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from ansible.module_utils.openstack import *
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if __name__ == '__main__':
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main()
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