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#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2017, Simon Dodsley (simon@purestorage.com)
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = r'''
---
module: purefa_snap
version_added: '2.4'
short_description: Manage volume snapshots on Pure Storage FlashArrays
description:
- Create or delete volumes and volume snapshots on Pure Storage FlashArray.
author:
- Pure Storage Ansible Team (@sdodsley) <pure-ansible-team@purestorage.com>
options:
name:
description:
- The name of the source volume.
type: str
required: true
suffix:
description:
- Suffix of snapshot name.
type: str
target:
description:
- Name of target volume if creating from snapshot.
type: str
overwrite:
description:
- Define whether to overwrite existing volume when creating from snapshot.
type: bool
default: 'no'
state:
description:
- Define whether the volume snapshot should exist or not.
choices: [ absent, copy, present ]
type: str
default: present
eradicate:
description:
- Define whether to eradicate the snapshot on delete or leave in trash.
type: bool
default: 'no'
extends_documentation_fragment:
- purestorage.fa
'''
EXAMPLES = r'''
- name: Create snapshot foo.ansible
purefa_snap:
name: foo
suffix: ansible
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: present
- name: Create R/W clone foo_clone from snapshot foo.snap
purefa_snap:
name: foo
suffix: snap
target: foo_clone
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: copy
- name: Overwrite existing volume foo_clone with snapshot foo.snap
purefa_snap:
name: foo
suffix: snap
target: foo_clone
overwrite: true
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: copy
- name: Delete and eradicate snapshot named foo.snap
purefa_snap:
name: foo
suffix: snap
eradicate: true
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: absent
'''
RETURN = r'''
'''
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.pure import get_system, purefa_argument_spec
from datetime import datetime
try:
from purestorage import purestorage
HAS_PURESTORAGE = True
except ImportError:
HAS_PURESTORAGE = False
def get_volume(module, array):
"""Return Volume or None"""
try:
return array.get_volume(module.params['name'])
except Exception:
return None
def get_target(module, array):
"""Return Volume or None"""
try:
return array.get_volume(module.params['target'])
except Exception:
return None
def get_snapshot(module, array):
"""Return Snapshot or None"""
try:
snapname = module.params['name'] + "." + module.params['suffix']
for s in array.get_volume(module.params['name'], snap='true'):
if s['name'] == snapname:
return snapname
except Exception:
return None
def create_snapshot(module, array):
"""Create Snapshot"""
changed = True
if not module.check_mode:
try:
array.create_snapshot(module.params['name'], suffix=module.params['suffix'])
except Exception:
changed = False
module.exit_json(changed=changed)
def create_from_snapshot(module, array):
"""Create Volume from Snapshot"""
source = module.params['name'] + "." + module.params['suffix']
tgt = get_target(module, array)
if tgt is None:
changed = True
if not module.check_mode:
array.copy_volume(source,
module.params['target'])
elif tgt is not None and module.params['overwrite']:
changed = True
if not module.check_mode:
array.copy_volume(source,
module.params['target'],
overwrite=module.params['overwrite'])
elif tgt is not None and not module.params['overwrite']:
changed = False
module.exit_json(changed=changed)
def update_snapshot(module, array):
"""Update Snapshot"""
changed = False
module.exit_json(changed=changed)
def delete_snapshot(module, array):
""" Delete Snapshot"""
changed = True
if not module.check_mode:
snapname = module.params['name'] + "." + module.params['suffix']
try:
array.destroy_volume(snapname)
if module.params['eradicate']:
try:
array.eradicate_volume(snapname)
except Exception:
changed = False
except Exception:
changed = False
module.exit_json(changed=changed)
def main():
argument_spec = purefa_argument_spec()
argument_spec.update(dict(
name=dict(type='str', required=True),
suffix=dict(type='str'),
target=dict(type='str'),
overwrite=dict(type='bool', default=False),
eradicate=dict(type='bool', default=False),
state=dict(type='str', default='present', choices=['absent', 'copy', 'present']),
))
required_if = [('state', 'copy', ['target', 'suffix'])]
module = AnsibleModule(argument_spec,
required_if=required_if,
supports_check_mode=True)
if not HAS_PURESTORAGE:
module.fail_json(msg='purestorage sdk is required for this module in volume')
if module.params['suffix'] is None:
suffix = "snap-" + str((datetime.utcnow() - datetime(1970, 1, 1, 0, 0, 0, 0)).total_seconds())
module.params['suffix'] = suffix.replace(".", "")
state = module.params['state']
array = get_system(module)
volume = get_volume(module, array)
target = get_target(module, array)
snap = get_snapshot(module, array)
if state == 'present' and volume and not snap:
create_snapshot(module, array)
elif state == 'present' and volume and snap:
update_snapshot(module, array)
elif state == 'present' and not volume:
update_snapshot(module, array)
elif state == 'copy' and snap:
create_from_snapshot(module, array)
elif state == 'copy' and not snap:
update_snapshot(module, array)
elif state == 'absent' and snap:
delete_snapshot(module, array)
elif state == 'absent' and not snap:
module.exit_json(changed=False)
if __name__ == '__main__':
main()
|
