155 lines
4.5 KiB
Python
155 lines
4.5 KiB
Python
#!/usr/bin/python
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#coding: utf-8 -*-
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# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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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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try:
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import shade
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from shade import meta
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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_server_volume
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short_description: Attach/Detach Volumes from OpenStack VM's
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extends_documentation_fragment: openstack
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version_added: "2.0"
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author: "Monty Taylor (@emonty)"
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description:
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- Attach or Detach volumes from OpenStack VM's
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options:
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state:
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description:
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- Should the resource be present or absent.
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choices: [present, absent]
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default: present
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required: false
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server:
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description:
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- Name or ID of server you want to attach a volume to
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required: true
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volume:
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description:
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- Name or id of volume you want to attach to a server
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required: true
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device:
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description:
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- Device you want to attach. Defaults to auto finding a device name.
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required: false
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default: None
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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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# Attaches a volume to a compute host
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- name: attach a volume
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hosts: localhost
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tasks:
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- name: attach volume to host
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os_server_volume:
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state: present
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cloud: mordred
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server: Mysql-server
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volume: mysql-data
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device: /dev/vdb
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'''
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def _system_state_change(state, device):
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"""Check if system state would change."""
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if state == 'present':
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if device:
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return False
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return True
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if state == 'absent':
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if device:
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return True
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return False
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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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server=dict(required=True),
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volume=dict(required=True),
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device=dict(default=None), # None == auto choose device name
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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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if not HAS_SHADE:
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module.fail_json(msg='shade is required for this module')
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state = module.params['state']
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wait = module.params['wait']
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timeout = module.params['timeout']
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try:
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cloud = shade.openstack_cloud(**module.params)
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server = cloud.get_server(module.params['server'])
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volume = cloud.get_volume(module.params['volume'])
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dev = cloud.get_volume_attach_device(volume, server.id)
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if module.check_mode:
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module.exit_json(changed=_system_state_change(state, dev))
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if state == 'present':
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if dev:
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# Volume is already attached to this server
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module.exit_json(changed=False)
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cloud.attach_volume(server, volume, module.params['device'],
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wait=wait, timeout=timeout)
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server = cloud.get_server(module.params['server']) # refresh
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volume = cloud.get_volume(module.params['volume']) # refresh
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hostvars = meta.get_hostvars_from_server(cloud, server)
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module.exit_json(
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changed=True,
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id=volume['id'],
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attachments=volume['attachments'],
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openstack=hostvars
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)
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elif state == 'absent':
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if not dev:
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# Volume is not attached to this server
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module.exit_json(changed=False)
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cloud.detach_volume(server, volume, wait=wait, timeout=timeout)
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module.exit_json(
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changed=True,
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result='Detached volume from server'
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)
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except (shade.OpenStackCloudException, shade.OpenStackCloudTimeout) as e:
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module.fail_json(msg=e.message)
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# this is magic, see lib/ansible/module_utils/common.py
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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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