community.general/lib/ansible/modules/storage/purestorage/purefa_pgsnap.py

257 lines
7.7 KiB
Python

#!/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_pgsnap
version_added: '2.6'
short_description: Manage protection group snapshots on Pure Storage FlashArrays
description:
- Create or delete protection group snapshots on Pure Storage FlashArray.
- Recovery of replicated snapshots on the replica target array is enabled.
author:
- Pure Storage Ansible Team (@sdodsley) <pure-ansible-team@purestorage.com>
options:
name:
description:
- The name of the source protection group.
type: str
required: true
suffix:
description:
- Suffix of snapshot name.
state:
description:
- Define whether the protection group snapshot should exist or not.
Copy (added in 2.7) will create a full read/write clone of the
snapshot.
type: str
choices: [ absent, present, copy ]
default: present
eradicate:
description:
- Define whether to eradicate the snapshot on delete or leave in trash.
type: bool
default: 'no'
restore:
description:
- Restore a specific volume from a protection group snapshot.
type: str
version_added: 2.7
overwrite:
description:
- Define whether to overwrite the target volume if it already exists.
type: bool
default: 'no'
version_added: 2.8
target:
description:
- Volume to restore a specified volume to.
- If not supplied this will default to the volume defined in I(restore)
type: str
version_added: 2.8
extends_documentation_fragment:
- purestorage.fa
'''
EXAMPLES = r'''
- name: Create protection group snapshot foo.ansible
purefa_pgsnap:
name: foo
suffix: ansible
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: present
- name: Delete and eradicate protection group snapshot named foo.snap
purefa_pgsnap:
name: foo
suffix: snap
eradicate: true
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: absent
- name: Restore volume data from local protection group snapshot named foo.snap to volume data2
purefa_pgsnap:
name: foo
suffix: snap
restore: data
target: data2
overwrite: true
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: copy
- name: Restore remote protection group snapshot arrayA:pgname.snap.data to local copy
purefa_pgsnap:
name: arrayA:pgname
suffix: snap
restore: data
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: copy
'''
RETURN = r'''
'''
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.pure import get_system, purefa_argument_spec
from datetime import datetime
def get_pgroup(module, array):
"""Return Protection Group or None"""
try:
return array.get_pgroup(module.params['name'])
except Exception:
return None
def get_pgroupvolume(module, array):
"""Return Protection Group Volume or None"""
try:
pgroup = array.get_pgroup(module.params['name'])
for volume in pgroup['volumes']:
if volume == module.params['restore']:
return volume
except Exception:
return None
def get_rpgsnapshot(module, array):
"""Return iReplicated Snapshot or None"""
try:
snapname = module.params['name'] + "." + module.params['suffix'] + "." + module.params['restore']
for snap in array.list_volumes(snap='true'):
if snap['name'] == snapname:
return snapname
except Exception:
return None
def get_pgsnapshot(module, array):
"""Return Snapshot or None"""
try:
snapname = module.params['name'] + "." + module.params['suffix']
for snap in array.get_pgroup(module.params['name'], snap='true'):
if snap['name'] == snapname:
return snapname
except Exception:
return None
def create_pgsnapshot(module, array):
"""Create Protection Group Snapshot"""
try:
array.create_pgroup_snapshot(source=module.params['name'],
suffix=module.params['suffix'],
snap=True,
apply_retention=True)
changed = True
except Exception:
changed = False
module.exit_json(changed=changed)
def restore_pgsnapvolume(module, array):
"""Restore a Protection Group Snapshot Volume"""
volume = module.params['name'] + "." + module.params['suffix'] + "." + module.params['restore']
try:
array.copy_volume(volume, module.params['target'], overwrite=module.params['overwrite'])
changed = True
except Exception:
changed = False
module.exit_json(changed=changed)
def update_pgsnapshot(module, array):
"""Update Protection Group Snapshot"""
changed = False
module.exit_json(changed=changed)
def delete_pgsnapshot(module, array):
""" Delete Protection Group Snapshot"""
snapname = module.params['name'] + "." + module.params['suffix']
try:
array.destroy_pgroup(snapname)
changed = True
if module.params['eradicate']:
try:
array.eradicate_pgroup(snapname)
changed = True
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'),
restore=dict(type='str'),
overwrite=dict(type='bool', default=False),
target=dict(type='str'),
eradicate=dict(type='bool', default=False),
state=dict(type='str', default='present', choices=['absent', 'present', 'copy']),
))
required_if = [('state', 'copy', ['suffix', 'restore'])]
module = AnsibleModule(argument_spec,
required_if=required_if,
supports_check_mode=False)
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(".", "")
if not module.params['target'] and module.params['restore']:
module.params['target'] = module.params['restore']
state = module.params['state']
array = get_system(module)
pgroup = get_pgroup(module, array)
if pgroup is None:
module.fail_json(msg="Protection Group {0} does not exist".format(module.params['name']))
pgsnap = get_pgsnapshot(module, array)
if pgsnap is None:
module.fail_json(msg="Selected volume {0} does not exist in the Protection Group".format(module.params['name']))
if ":" in module.params['name']:
rvolume = get_rpgsnapshot(module, array)
else:
rvolume = get_pgroupvolume(module, array)
if state == 'copy' and rvolume:
restore_pgsnapvolume(module, array)
elif state == 'present' and pgroup and not pgsnap:
create_pgsnapshot(module, array)
elif state == 'present' and pgroup and pgsnap:
update_pgsnapshot(module, array)
elif state == 'present' and not pgroup:
update_pgsnapshot(module, array)
elif state == 'absent' and pgsnap:
delete_pgsnapshot(module, array)
elif state == 'absent' and not pgsnap:
module.exit_json(changed=False)
if __name__ == '__main__':
main()