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added os_aggregate module (#19374)

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* added os_aggregate module

* various fixed to os_aggregate module

based on comments by @emonty (https://github.com/ansible/ansible-modules-extras/pull/2873)

* updated shade version requirement
This commit is contained in:
kuboj 2016-12-29 18:51:34 +01:00 committed by Ryan Brown
parent 7e88df7ebc
commit 5e17eb3053
1 changed files with 196 additions and 0 deletions
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lib/ansible/modules/cloud/openstack/os_nova_host_aggregate.py Normal file
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#!/usr/bin/python
# Copyright 2016 Jakub Jursa <jakub.jursa1@gmail.com>
#
# This module 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.
#
# This software 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 this software. If not, see <http://www.gnu.org/licenses/>.
try:
import shade
HAS_SHADE = True
except ImportError:
HAS_SHADE = False
from distutils.version import StrictVersion
DOCUMENTATION = '''
---
module: os_nova_host_aggregate
short_description: Manage OpenStack host aggregates
extends_documentation_fragment: openstack
author: "Jakub Jursa"
version_added: "2.3"
description:
- Create, update, or delete OpenStack host aggregates. If a aggregate
with the supplied name already exists, it will be updated with the
new name, new availability zone, new metadata and new list of hosts.
options:
name:
description: Name of the aggregate.
required: true
metadata:
description: Metadata dict.
required: false
default: None
availability_zone:
description: Availability zone to create aggregate into.
required: false
default: None
hosts:
description: List of hosts to set for an aggregate.
required: false
default: None
state:
description: Should the resource be present or absent.
choices: [present, absent]
default: present
requirements:
- "python >= 2.6"
- "shade"
'''
EXAMPLES = '''
# Create a host aggregate
- os_nova_host_aggregate:
cloud: mycloud
state: present
name: db_aggregate
hosts:
- host1
- host2
metadata:
type: dbcluster
# Delete an aggregate
- os_nova_host_aggregate:
cloud: mycloud
state: absent
name: db_aggregate
'''
RETURN = '''
'''
def _needs_update(module, aggregate):
new_metadata = (module.params['metadata'] or {})
new_metadata['availability_zone'] = module.params['availability_zone']
if (module.params['name'] != aggregate.name) or \
(module.params['hosts'] is not None and module.params['hosts'] != aggregate.hosts) or \
(module.params['availability_zone'] is not None and module.params['availability_zone'] != aggregate.availability_zone) or \
(module.params['metadata'] is not None and new_metadata != aggregate.metadata):
return True
return False
def _system_state_change(module, aggregate):
state = module.params['state']
if state == 'absent' and aggregate:
return True
if state == 'present':
if aggregate is None:
return True
return _needs_update(module, aggregate)
return False
def main():
argument_spec = openstack_full_argument_spec(
name=dict(required=True),
metadata=dict(required=False, default=None, type='dict'),
availability_zone=dict(required=False, default=None),
hosts=dict(required=False, default=None, type='list'),
state=dict(default='present', choices=['absent', 'present']),
)
module_kwargs = openstack_module_kwargs()
module = AnsibleModule(argument_spec,
supports_check_mode=True,
**module_kwargs)
if not HAS_SHADE:
module.fail_json(msg='shade is required for this module')
if StrictVersion(shade.__version__) < StrictVersion('1.9.0'):
module.fail_json(msg="To utilize this module, the installed version of"
"the shade library MUST be >=1.9.0")
name = module.params['name']
metadata = module.params['metadata']
availability_zone = module.params['availability_zone']
hosts = module.params['hosts']
state = module.params['state']
if metadata is not None:
metadata.pop('availability_zone', None)
try:
cloud = shade.operator_cloud(**module.params)
aggregates = cloud.search_aggregates(name_or_id=name)
if len(aggregates) == 1:
aggregate = aggregates[0]
elif len(aggregates) == 0:
aggregate = None
else:
raise Exception("Should not happen")
if module.check_mode:
module.exit_json(changed=_system_state_change(module, aggregate))
if state == 'present':
if aggregate is None:
aggregate = cloud.create_aggregate(name=name,
availability_zone=availability_zone)
if hosts:
for h in hosts:
cloud.add_host_to_aggregate(aggregate.id, h)
if metadata:
cloud.set_aggregate_metadata(aggregate.id, metadata)
changed = True
else:
if _needs_update(module, aggregate):
if availability_zone is not None:
aggregate = cloud.update_aggregate(aggregate.id,
name=name, availability_zone=availability_zone)
if metadata is not None:
metas = metadata
for i in (set(aggregate.metadata.keys()) - set(metadata.keys())):
if i != 'availability_zone':
metas[i] = None
cloud.set_aggregate_metadata(aggregate.id, metas)
if hosts is not None:
for i in (set(aggregate.hosts) - set (hosts)):
cloud.remove_host_from_aggregate(aggregate.id, i)
for i in (set(hosts) - set(aggregate.hosts)):
cloud.add_host_to_aggregate(aggregate.id, i)
changed = True
else:
changed = False
module.exit_json(changed=changed)
elif state == 'absent':
if aggregate is None:
changed=False
else:
cloud.delete_aggregate(aggregate.id)
changed=True
module.exit_json(changed=changed)
except shade.OpenStackCloudException as e:
module.fail_json(msg=str(e))
from ansible.module_utils.basic import *
from ansible.module_utils.openstack import *
if __name__ == '__main__':
main()