faada98ed9
A bit restructed structure so decision logic whether volume will be created or updated is now in run method Change-Id: I83e03787b3cea65f07dc83764743702d59e8656d
262 lines
7.7 KiB
Python
262 lines
7.7 KiB
Python
#!/usr/bin/python
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# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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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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DOCUMENTATION = '''
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---
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module: volume
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short_description: Create/Delete Cinder Volumes
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author: OpenStack Ansible SIG
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description:
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- Create or Remove cinder block storage volumes
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options:
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size:
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description:
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- Size of volume in GB. This parameter is required when the
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I(state) parameter is 'present'.
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type: int
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display_name:
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description:
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- Name of volume
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required: true
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type: str
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aliases: [name]
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display_description:
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description:
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- String describing the volume
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type: str
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aliases: [description]
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volume_type:
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description:
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- Volume type for volume
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type: str
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image:
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description:
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- Image name or id for boot from volume
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type: str
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snapshot_id:
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description:
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- Volume snapshot id to create from
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type: str
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volume:
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description:
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- Volume name or id to create from
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type: str
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bootable:
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description:
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- Bootable flag for volume.
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type: bool
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default: False
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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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type: str
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scheduler_hints:
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description:
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- Scheduler hints passed to volume API in form of dict
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type: dict
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metadata:
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description:
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- Metadata for the volume
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type: dict
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requirements:
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- "python >= 3.6"
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- "openstacksdk"
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extends_documentation_fragment:
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- openstack.cloud.openstack
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'''
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EXAMPLES = '''
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# Creates a new volume
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- name: create a volume
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hosts: localhost
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tasks:
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- name: create 40g test volume
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openstack.cloud.volume:
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state: present
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cloud: mordred
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availability_zone: az2
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size: 40
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display_name: test_volume
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scheduler_hints:
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same_host: 243e8d3c-8f47-4a61-93d6-7215c344b0c0
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'''
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RETURNS = '''
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id:
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description: Cinder's unique ID for this volume
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returned: always
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type: str
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sample: fcc4ac1c-e249-4fe7-b458-2138bfb44c06
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volume:
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description: Cinder's representation of the volume object
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returned: always
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type: dict
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sample: {'...'}
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'''
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from ansible_collections.openstack.cloud.plugins.module_utils.openstack import OpenStackModule
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class VolumeModule(OpenStackModule):
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argument_spec = dict(
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size=dict(type='int'),
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volume_type=dict(type='str'),
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display_name=dict(required=True, aliases=['name'], type='str'),
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display_description=dict(aliases=['description'], type='str'),
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image=dict(type='str'),
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snapshot_id=dict(type='str'),
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volume=dict(type='str'),
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state=dict(default='present', choices=['absent', 'present'], type='str'),
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scheduler_hints=dict(type='dict'),
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metadata=dict(type='dict'),
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bootable=dict(type='bool', default=False)
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)
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module_kwargs = dict(
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mutually_exclusive=[
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['image', 'snapshot_id', 'volume'],
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],
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required_if=[
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['state', 'present', ['size']],
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],
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)
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def _needs_update(self, volume):
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'''
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check for differences in updatable values, at the moment
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openstacksdk only supports extending the volume size, this
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may change in the future.
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:returns: bool
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'''
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compare_simple = ['size']
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for k in compare_simple:
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if self.params[k] is not None and self.params[k] != volume.get(k):
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return True
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return False
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def _modify_volume(self, volume):
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'''
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modify volume, the only modification to an existing volume
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available at the moment is extending the size, this is
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limited by the openstacksdk and may change whenever the
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functionality is extended.
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'''
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volume = self.conn.get_volume(self.params['display_name'])
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diff = {'before': volume, 'after': ''}
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size = self.params['size']
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if size < volume.get('size'):
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self.fail_json(
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msg='Cannot shrink volumes, size: {0} < {1}'.format(size, volume.get('size'))
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)
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if not self._needs_update(volume):
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diff['after'] = volume
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self.exit_json(changed=False, id=volume['id'], volume=volume, diff=diff)
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if self.ansible.check_mode:
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diff['after'] = volume
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self.exit_json(changed=True, id=volume['id'], volume=volume, diff=diff)
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self.conn.volume.extend_volume(
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volume.id,
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size
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)
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diff['after'] = self.conn.get_volume(self.params['display_name'])
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self.exit_json(changed=True, id=volume['id'], volume=volume, diff=diff)
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def _present_volume(self):
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diff = {'before': '', 'after': ''}
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volume_args = dict(
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size=self.params['size'],
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volume_type=self.params['volume_type'],
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display_name=self.params['display_name'],
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display_description=self.params['display_description'],
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snapshot_id=self.params['snapshot_id'],
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bootable=self.params['bootable'],
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availability_zone=self.params['availability_zone'],
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)
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if self.params['image']:
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image_id = self.conn.get_image_id(self.params['image'])
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volume_args['imageRef'] = image_id
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if self.params['volume']:
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volume_id = self.conn.get_volume_id(self.params['volume'])
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if not volume_id:
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self.fail_json(msg="Failed to find volume '%s'" % self.params['volume'])
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volume_args['source_volid'] = volume_id
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if self.params['scheduler_hints']:
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volume_args['scheduler_hints'] = self.params['scheduler_hints']
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if self.params['metadata']:
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volume_args['metadata'] = self.params['metadata']
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if self.ansible.check_mode:
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diff['after'] = volume_args
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self.exit_json(changed=True, id=None, volume=volume_args, diff=diff)
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volume = self.conn.create_volume(
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wait=self.params['wait'], timeout=self.params['timeout'],
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**volume_args)
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diff['after'] = volume
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self.exit_json(changed=True, id=volume['id'], volume=volume, diff=diff)
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def _absent_volume(self, volume):
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changed = False
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diff = {'before': '', 'after': ''}
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if self.conn.volume_exists(self.params['display_name']):
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volume = self.conn.get_volume(self.params['display_name'])
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diff['before'] = volume
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if self.ansible.check_mode:
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self.exit_json(changed=True, diff=diff)
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try:
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changed = self.conn.delete_volume(name_or_id=self.params['display_name'],
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wait=self.params['wait'],
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timeout=self.params['timeout'])
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except self.sdk.exceptions.ResourceTimeout:
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diff['after'] = volume
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self.exit_json(changed=changed, diff=diff)
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self.exit_json(changed=changed, diff=diff)
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def run(self):
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state = self.params['state']
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if self.conn.volume_exists(self.params['display_name']):
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volume = self.conn.get_volume(self.params['display_name'])
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else:
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volume = None
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if state == 'present':
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if not volume:
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self._present_volume()
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elif self._needs_update(volume):
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self._modify_volume(volume)
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else:
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self.exit_json(changed=False, id=volume['id'], volume=volume)
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if state == 'absent':
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self._absent_volume(volume)
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def main():
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module = VolumeModule()
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module()
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if __name__ == '__main__':
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main()
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