281 lines
8.3 KiB
Python
281 lines
8.3 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# (c) 2018, Gaudenz Steinlin <gaudenz.steinlin@cloudscale.ch>
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: cloudscale_volume
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short_description: Manages volumes on the cloudscale.ch IaaS service
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description:
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- Create, attach/detach and delete volumes on the cloudscale.ch IaaS service.
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notes:
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- To create a new volume at least the I(name) and I(size_gb) options
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are required.
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- A volume can be created and attached to a server in the same task.
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version_added: 2.8
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author: "Gaudenz Steinlin (@gaudenz)"
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options:
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state:
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description:
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- State of the volume.
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default: present
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choices: [ present, absent ]
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name:
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description:
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- Name of the volume. Either name or UUID must be present to change an
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existing volume.
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uuid:
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description:
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- UUID of the volume. Either name or UUID must be present to change an
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existing volume.
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size_gb:
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description:
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- Size of the volume in GB.
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type:
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description:
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- Type of the volume. Cannot be changed after creating the volume.
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Defaults to ssd on volume creation.
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choices: [ ssd, bulk ]
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server_uuids:
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description:
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- UUIDs of the servers this volume is attached to. Set this to [] to
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detach the volume. Currently a volume can only be attached to a
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single server.
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aliases: [ server_uuid ]
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extends_documentation_fragment: cloudscale
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'''
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EXAMPLES = '''
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# Create a new SSD volume
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- name: Create an SSD volume
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cloudscale_volume:
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name: my_ssd_volume
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size_gb: 50
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api_token: xxxxxx
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register: my_ssd_volume
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# Attach an existing volume to a server
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- name: Attach volume to server
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cloudscale_volume:
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uuid: my_ssd_volume.uuid
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server_uuids:
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- ea3b39a3-77a8-4d0b-881d-0bb00a1e7f48
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api_token: xxxxxx
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# Create and attach a volume to a server
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- name: Create and attach volume to server
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cloudscale_volume:
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name: my_ssd_volume
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size_gb: 50
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server_uuids:
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- ea3b39a3-77a8-4d0b-881d-0bb00a1e7f48
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api_token: xxxxxx
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# Detach volume from server
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- name: Detach volume from server
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cloudscale_volume:
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uuid: my_ssd_volume.uuid
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server_uuids: []
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api_token: xxxxxx
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# Delete a volume
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- name: Delete volume
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cloudscale_volume:
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name: my_ssd_volume
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state: absent
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api_token: xxxxxx
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'''
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RETURN = '''
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href:
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description: The API URL to get details about this volume.
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returned: success when state == present
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type: str
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sample: https://api.cloudscale.ch/v1/volumes/2db69ba3-1864-4608-853a-0771b6885a3a
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uuid:
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description: The unique identifier for this volume.
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returned: success when state == present
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type: str
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sample: 2db69ba3-1864-4608-853a-0771b6885a3a
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name:
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description: The display name of the volume.
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returned: success when state == present
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type: str
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sample: my_ssd_volume
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size_gb:
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description: The size of the volume in GB.
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returned: success when state == present
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type: str
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sample: 50
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type:
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description: "The type of the volume. There are currently two options:
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ssd (default) or bulk."
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returned: success when state == present
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type: str
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sample: bulk
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server_uuids:
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description: The UUIDs of the servers this volume is attached to.
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returned: success when state == present
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type: list
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sample: ['47cec963-fcd2-482f-bdb6-24461b2d47b1']
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state:
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description: The current status of the volume.
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returned: success
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type: str
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sample: present
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'''
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.cloudscale import (AnsibleCloudscaleBase,
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cloudscale_argument_spec,
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)
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class AnsibleCloudscaleVolume(AnsibleCloudscaleBase):
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def __init__(self, module):
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super(AnsibleCloudscaleVolume, self).__init__(module)
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params = self._module.params
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self.info = {
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'name': params['name'],
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'uuid': params['uuid'],
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'state': 'absent',
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}
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self.changed = False
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if params['uuid'] is not None:
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vol = self._get('volumes/%s' % params['uuid'])
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if vol is None and params['state'] == 'present':
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self._module.fail_json(
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msg='Volume with UUID %s does not exist. Can\'t create a '
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'volume with a predefined UUID.' % params['uuid'],
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)
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elif vol is not None:
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self.info = vol
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self.info['state'] = 'present'
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else:
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resp = self._get('volumes')
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volumes = [vol for vol in resp if vol['name'] == params['name']]
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if len(volumes) == 1:
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self.info = volumes[0]
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self.info['state'] = 'present'
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elif len(volumes) > 1:
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self._module.fail_json(
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msg='More than 1 volume with name "%s" exists.'
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% params['name'],
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)
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def create(self):
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params = self._module.params
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# check for required parameters to create a volume
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missing_parameters = []
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for p in ('name', 'size_gb'):
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if p not in params or not params[p]:
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missing_parameters.append(p)
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if len(missing_parameters) > 0:
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self._module.fail_json(
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msg='Missing required parameter(s) to create a volume: %s.'
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% ' '.join(missing_parameters),
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)
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data = {
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'name': params['name'],
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'size_gb': params['size_gb'],
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'type': params['type'] or 'ssd',
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'server_uuids': params['server_uuids'] or [],
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}
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self.info = self._post('volumes', data)
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self.info['state'] = 'present'
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self.changed = True
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def delete(self):
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self._delete('volumes/%s' % self.info['uuid'])
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self.info = {
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'name': self.info['name'],
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'uuid': self.info['uuid'],
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'state': 'absent',
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}
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self.changed = True
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def update(self, param):
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self._patch(
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'volumes/%s' % self.info['uuid'],
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{param: self._module.params[param]},
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)
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self.info[param] = self._module.params[param]
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self.changed = True
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def main():
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argument_spec = cloudscale_argument_spec()
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argument_spec.update(dict(
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state=dict(default='present', choices=('present', 'absent')),
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name=dict(),
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uuid=dict(),
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size_gb=dict(type='int'),
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type=dict(choices=('ssd', 'bulk')),
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server_uuids=dict(type='list', aliases=['server_uuid']),
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))
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module = AnsibleModule(
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argument_spec=argument_spec,
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required_one_of=(('name', 'uuid'),),
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mutually_exclusive=(('name', 'uuid'),),
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supports_check_mode=True,
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)
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volume = AnsibleCloudscaleVolume(module)
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if module.check_mode:
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changed = False
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for param, conv in (('state', str),
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('server_uuids', set),
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('size_gb', int)):
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if module.params[param] is None:
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continue
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if conv(volume.info[param]) != conv(module.params[param]):
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changed = True
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break
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module.exit_json(changed=changed,
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**volume.info)
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if (volume.info['state'] == 'absent'
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and module.params['state'] == 'present'):
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volume.create()
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elif (volume.info['state'] == 'present'
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and module.params['state'] == 'absent'):
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volume.delete()
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if module.params['state'] == 'present':
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if (module.params['type'] is not None
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and volume.info['type'] != module.params['type']):
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module.fail_json(
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msg='Cannot change type of an existing volume.',
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)
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for param, conv in (('server_uuids', set), ('size_gb', int)):
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if module.params[param] is None:
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continue
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if conv(volume.info[param]) != conv(module.params[param]):
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volume.update(param)
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module.exit_json(changed=volume.changed, **volume.info)
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if __name__ == '__main__':
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main()
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