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Update Pure Storage purefa_pgsnap module to support recovery of (#47086)

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remote replication snapshots to a local disk.
Add target and overwrite as options to enable local snapshot recovery
to different volume names.
pull/47552/head
Simon Dodsley 6 years ago committed by ansibot
parent 2bdab94b0b
commit ca5ca43888
1 changed files with 76 additions and 44 deletions
Show Stats Download Patch File Download Diff File

120
lib/ansible/modules/storage/purestorage/purefa_pgsnap.py
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@ -15,10 +15,10 @@ DOCUMENTATION = r'''
---
module: purefa_pgsnap
version_added: '2.6'
short_description: Manage local protection group snapshots on Pure Storage FlashArrays
short_description: Manage protection group snapshots on Pure Storage FlashArrays
description:
- Create or delete local protection group snapshots on Pure Storage FlashArray.
- This module only supports local protection groups.
- Create or delete protection group snapshots on Pure Storage FlashArray.
- Recovery of replicated snapshots on the replica target array is enabled.
author:
- Simon Dodsley (@sdodsley)
options:
@ -32,8 +32,8 @@ options:
state:
description:
- Define whether the protection group snapshot should exist or not.
Copy (added in 2.7) will force an overwrite of an exisitng volume
from a snapshot.
Copy (added in 2.7) will create a full read/write clone of the
snapshot.
choices: [ absent, present, copy ]
default: present
eradicate:
@ -44,8 +44,18 @@ options:
restore:
description:
- Restore a specific volume from a protection group snapshot.
This implies overwrite of the current full volume. USE WITH CARE!!
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)
version_added: 2.8
extends_documentation_fragment:
- purestorage.fa
'''
@ -68,12 +78,22 @@ EXAMPLES = r'''
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: absent
- name: Restore volume data from protection group snapshot named foo.snap
USE WITH CARE! This will overwrite your existing volume
- 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
@ -87,12 +107,6 @@ 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_pgroup(module, array):
"""Return Protection Group or None"""
@ -113,12 +127,23 @@ def get_pgroupvolume(module, array):
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:
return None
def get_pgsnapshot(module, array):
"""Return Snapshot or None"""
try:
snapname = module.params['name'] + "." + module.params['suffix']
for s in array.get_pgroup(module.params['name'], snap='true'):
if s['name'] == snapname:
for snap in array.get_pgroup(module.params['name'], snap='true'):
if snap['name'] == snapname:
return snapname
except:
return None
@ -126,15 +151,14 @@ def get_pgsnapshot(module, array):
def create_pgsnapshot(module, array):
"""Create Protection Group Snapshot"""
if not module.check_mode:
try:
array.create_pgroup_snapshot(source=module.params['name'],
suffix=module.params['suffix'],
snap=True,
apply_retention=True)
changed = True
except:
changed = False
try:
array.create_pgroup_snapshot(source=module.params['name'],
suffix=module.params['suffix'],
snap=True,
apply_retention=True)
changed = True
except:
changed = False
module.exit_json(changed=changed)
@ -142,7 +166,7 @@ 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['restore'], overwrite=True)
array.copy_volume(volume, module.params['target'], overwrite=module.params['overwrite'])
changed = True
except:
changed = False
@ -157,19 +181,18 @@ def update_pgsnapshot(module, array):
def delete_pgsnapshot(module, array):
""" Delete Protection Group Snapshot"""
if not module.check_mode:
snapname = module.params['name'] + "." + module.params['suffix']
try:
array.destroy_pgroup(snapname)
chaned = True
if module.params['eradicate']:
try:
array.eradicate_pgroup(snapname)
changed = True
except:
changed = False
except:
changed = False
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:
changed = False
except:
changed = False
module.exit_json(changed=changed)
@ -179,6 +202,8 @@ def main():
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']),
))
@ -187,20 +212,27 @@ def main():
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')
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('pgroup')))
pgsnap = get_pgsnapshot(module, array)
rvolume = get_pgroupvolume(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)

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