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purefa_pod.py
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purefa_pod.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2019, Simon Dodsley ([email protected])
# 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_pod
short_description: Manage AC pods in Pure Storage FlashArrays
description:
- Manage AC pods in a Pure Storage FlashArray.
author:
- Pure Storage Ansible Team (@sdodsley) <[email protected]>
options:
name:
description:
- The name of the pod.
type: str
required: true
stretch:
description:
- The name of the array to stretch to/unstretch from. Must be synchromously replicated.
- To unstretch an array use state I(absent)
- You can only specify a remote array, ie you cannot unstretch a pod from the
current array and then restretch back to the current array.
- To restretch a pod you must perform this from the remaining array the pod
resides on.
type: str
failover:
description:
- The name of the array given priority to stay online if arrays loose
contact with eachother.
- Oprions are either array in the cluster, or I(auto)
type: list
state:
description:
- Define whether the pod should exist or not.
default: present
choices: [ absent, present ]
type: str
eradicate:
description:
- Define whether to eradicate the pod on delete or leave in trash.
type: bool
default: false
target:
description:
- Name of clone target pod.
type: str
extends_documentation_fragment:
- purestorage.fa
'''
EXAMPLES = r'''
- name: Create new pod named foo
purefa_pod:
name: foo
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: present
- name: Delete and eradicate pod named foo
purefa_pod:
name: foo
eradicate: yes
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: absent
- name: Set failover array for pod named foo
purefa_pod:
name: foo
failover:
- array1
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
- name: Stretch a pod named foo to array2
purefa_pod:
name: foo
stretch: array2
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
- name: Unstretch a pod named foo from array2
purefa_pod:
name: foo
stretch: array2
state: absent
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
- name: Create clone of pod foo named bar
purefa_pod:
name: foo
target: bar
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: present
'''
RETURN = r'''
'''
from ansible.module_utils.basic import AnsibleModule
from ansible_collections.purestorage.flasharray.plugins.module_utils.purefa import get_system, purefa_argument_spec
POD_API_VERSION = "1.13"
def get_pod(module, array):
"""Return Pod or None"""
try:
return array.get_pod(module.params['name'])
except Exception:
return None
def get_target(module, array):
"""Return Pod or None"""
try:
return array.get_pod(module.params['target'])
except Exception:
return None
def get_destroyed_pod(module, array):
"""Return Destroyed Volume or None"""
try:
return bool(array.get_pod(module.params['name'], pending=True)['time_remaining'] != '')
except Exception:
return False
def get_destroyed_target(module, array):
"""Return Destroyed Volume or None"""
try:
return bool(array.get_pod(module.params['target'], pending=True)['time_remaining'] != '')
except Exception:
return False
def check_arrays(module, array):
"""Check if array name provided are sync-replicated"""
good_arrays = []
good_arrays.append(array.get()['array_name'])
connected_arrays = array.list_array_connections()
for arr in range(0, len(connected_arrays)):
if connected_arrays[arr]['type'] == 'sync-replication':
good_arrays.append(connected_arrays[arr]['array_name'])
if module.params['failover'] is not None:
if module.params['failover'] == ['auto']:
failover_array = []
else:
failover_array = module.params['failover']
if failover_array != []:
for arr in range(0, len(failover_array)):
if failover_array[arr] not in good_arrays:
module.fail_json(msg='Failover array {0} is not valid.'.format(failover_array[arr]))
if module.params['stretch'] is not None:
if module.params['stretch'] not in good_arrays:
module.fail_json(msg='Stretch: Array {0} is not connected.'.format(module.params['stretch']))
return None
def create_pod(module, array):
"""Create Pod"""
changed = True
if not module.check_mode:
if module.params['target']:
module.fail_json(msg='Cannot clone non-existant pod.')
try:
if module.params['failover']:
array.create_pod(module.params['name'], failover_list=module.params['failover'])
else:
array.create_pod(module.params['name'])
except Exception:
module.fail_json(msg='Pod {0} creation failed.'.format(module.params['name']))
if module.params['stretch']:
current_array = array.get()['array_name']
if module.params['stretch'] != current_array:
try:
array.add_pod(module.params['name'], module.params['rrays'])
except Exception:
module.fail_json(msg='Failed to stretch pod {0} to array {1}.'.format(module.params['name'],
module.params['stretch']))
module.exit_json(changed=changed)
def clone_pod(module, array):
"""Create Pod Clone"""
changed = True
if not module.check_mode:
changed = False
if get_target(module, array) is None:
if not get_destroyed_target(module, array):
try:
array.clone_pod(module.params['name'],
module.params['target'])
changed = True
except Exception:
module.fail_json(msg='Clone pod {0} to pod {1} failed.'.format(module.params['name'],
module.params['target']))
else:
module.fail_json(msg='Target pod {0} already exists but deleted.'.format(module.params['target']))
module.exit_json(changed=changed)
def update_pod(module, array):
"""Update Pod configuration"""
changed = True
if not module.check_mode:
changed = False
current_config = array.get_pod(module.params['name'], failover_preference=True)
if module.params['failover']:
current_failover = current_config['failover_preference']
if current_failover == [] or sorted(module.params['failover']) != sorted(current_failover):
try:
if module.params['failover'] == ['auto']:
if current_failover != []:
array.set_pod(module.params['name'], failover_preference=[])
changed = True
else:
array.set_pod(module.params['name'], failover_preference=module.params['failover'])
changed = True
except Exception:
module.fail_json(msg='Failed to set failover preference for pod {0}.'.format(module.params['name']))
module.exit_json(changed=changed)
def stretch_pod(module, array):
"""Stretch/unstretch Pod configuration"""
changed = True
if not module.check_mode:
changed = False
current_config = array.get_pod(module.params['name'], failover_preference=True)
if module.params['stretch']:
current_arrays = []
for arr in range(0, len(current_config['arrays'])):
current_arrays.append(current_config['arrays'][arr]['name'])
if module.params['stretch'] not in current_arrays and module.params['state'] == 'present':
try:
array.add_pod(module.params['name'], module.params['stretch'])
changed = True
except Exception:
module.fail_json(msg="Failed to stretch pod {0} to array {1}.".format(module.params['name'],
module.params['stretch']))
if module.params['stretch'] in current_arrays and module.params['state'] == 'absent':
try:
array.remove_pod(module.params['name'], module.params['stretch'])
changed = True
except Exception:
module.fail_json(msg="Failed to unstretch pod {0} from array {1}.".format(module.params['name'],
module.params['stretch']))
module.exit_json(changed=changed)
def delete_pod(module, array):
""" Delete Pod"""
changed = True
if not module.check_mode:
try:
array.destroy_pod(module.params['name'])
if module.params['eradicate']:
try:
array.eradicate_pod(module.params['name'])
except Exception:
module.fail_json(msg='Eradicate pod {0} failed.'.format(module.params['name']))
except Exception:
module.fail_json(msg='Delete pod {0} failed.'.format(module.params['name']))
module.exit_json(changed=changed)
def eradicate_pod(module, array):
""" Eradicate Deleted Pod"""
changed = True
if not module.check_mode:
if module.params['eradicate']:
try:
array.eradicate_pod(module.params['name'])
except Exception:
module.fail_json(msg='Eradication of pod {0} failed'.format(module.params['name']))
module.exit_json(changed=changed)
def recover_pod(module, array):
""" Recover Deleted Pod"""
changed = True
if not module.check_mode:
try:
array.recover_pod(module.params['name'])
except Exception:
module.fail_json(msg='Recovery of pod {0} failed'.format(module.params['name']))
module.exit_json(changed=changed)
def main():
argument_spec = purefa_argument_spec()
argument_spec.update(dict(
name=dict(type='str', required=True),
stretch=dict(type='str'),
target=dict(type='str'),
failover=dict(type='list'),
eradicate=dict(type='bool', default=False),
state=dict(type='str', default='present', choices=['absent', 'present']),
))
# mutually_exclusive = [['stretch', ['failover', 'eradicate']],
# ['target', ['stretch', 'failover', 'eradicate']]]
mutually_exclusive = [['stretch', 'failover'],
['strecth', 'eradicate'],
['target', 'stretch'],
['target', 'failover'],
['target', 'eradicate']]
module = AnsibleModule(argument_spec,
mutually_exclusive=mutually_exclusive,
supports_check_mode=True)
state = module.params['state']
array = get_system(module)
api_version = array._list_available_rest_versions()
if POD_API_VERSION not in api_version:
module.fail_json(msg='FlashArray REST version not supported. '
'Minimum version required: {0}'.format(POD_API_VERSION))
pod = get_pod(module, array)
destroyed = ''
if not pod:
destroyed = get_destroyed_pod(module, array)
if module.params['failover'] or module.params['failover'] != 'auto':
check_arrays(module, array)
if state == 'present' and not pod:
create_pod(module, array)
elif pod and module.params['stretch']:
stretch_pod(module, array)
elif state == 'present' and pod and module.params['target']:
clone_pod(module, array)
elif state == 'present' and pod and module.params['target']:
clone_pod(module, array)
elif state == 'present' and pod:
update_pod(module, array)
elif state == 'absent' and pod and not module.params['stretch']:
delete_pod(module, array)
elif state == 'present' and destroyed:
recover_pod(module, array)
elif state == 'absent' and destroyed:
eradicate_pod(module, array)
elif state == 'absent' and not pod:
module.exit_json(changed=False)
if __name__ == '__main__':
main()