Adding ElementSW Snapshot Module (#43972)

* Adding ElementSW Snapshot Module
pull/44749/merge
Chris Archibald 6 years ago committed by John R Barker
parent c29acc7ee1
commit 45e7b2da98

@ -0,0 +1,377 @@
#!/usr/bin/python
# (c) 2018, NetApp, Inc
# GNU General Public License v3.0+ (see COPYING or
# https://www.gnu.org/licenses/gpl-3.0.txt)
'''
Element OS Software Snapshot Manager
'''
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = '''
module: na_elementsw_snapshot
short_description: NetApp Element Software Manage Snapshots
extends_documentation_fragment:
- netapp.solidfire
version_added: '2.7'
author: NetApp Ansible Team (ng-ansibleteam@netapp.com)
description:
- Create, Modify or Delete Snapshot on Element OS Cluster.
options:
name:
description:
- Name of new snapshot create.
- If unspecified, date and time when the snapshot was taken is used.
state:
description:
- Whether the specified snapshot should exist or not.
choices: ['present', 'absent']
default: 'present'
src_volume_id:
description:
- ID or Name of active volume.
required: true
account_id:
description:
- Account ID or Name of Parent/Source Volume.
required: true
retention:
description:
- Retention period for the snapshot.
- Format is 'HH:mm:ss'.
src_snapshot_id:
description:
- ID or Name of an existing snapshot.
- Required when C(state=present), to modify snapshot properties.
- Required when C(state=present), to create snapshot from another snapshot in the volume.
- Required when C(state=absent), to delete snapshot.
enable_remote_replication:
description:
- Flag, whether to replicate the snapshot created to a remote replication cluster.
- To enable specify 'true' value.
type: bool
snap_mirror_label:
description:
- Label used by SnapMirror software to specify snapshot retention policy on SnapMirror endpoint.
expiration_time:
description:
- The date and time (format ISO 8601 date string) at which this snapshot will expire.
password:
description:
- Element OS access account password
aliases:
- pass
username:
description:
- Element OS access account user-name
aliases:
- user
'''
EXAMPLES = """
- name: Create snapshot
tags:
- elementsw_create_snapshot
na_elementsw_snapshot:
hostname: "{{ elementsw_hostname }}"
username: "{{ elementsw_username }}"
password: "{{ elementsw_password }}"
state: present
src_volume_id: 118
account_id: sagarsh
name: newsnapshot-1
- name: Modify Snapshot
tags:
- elementsw_modify_snapshot
na_elementsw_snapshot:
hostname: "{{ elementsw_hostname }}"
username: "{{ elementsw_username }}"
password: "{{ elementsw_password }}"
state: present
src_volume_id: sagarshansivolume
src_snapshot_id: test1
account_id: sagarsh
expiration_time: '2018-06-16T12:24:56Z'
enable_remote_replication: false
- name: Delete Snapshot
tags:
- elementsw_delete_snapshot
na_elementsw_snapshot:
hostname: "{{ elementsw_hostname }}"
username: "{{ elementsw_username }}"
password: "{{ elementsw_password }}"
state: absent
src_snapshot_id: deltest1
account_id: sagarsh
src_volume_id: sagarshansivolume
"""
RETURN = """
msg:
description: Success message
returned: success
type: string
"""
import traceback
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils._text import to_native
import ansible.module_utils.netapp as netapp_utils
from ansible.module_utils.netapp_elementsw_module import NaElementSWModule
HAS_SF_SDK = netapp_utils.has_sf_sdk()
class ElementOSSnapshot(object):
"""
Element OS Snapshot Manager
"""
def __init__(self):
self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
self.argument_spec.update(dict(
state=dict(required=False, choices=['present', 'absent'], default='present'),
account_id=dict(required=True, type='str'),
name=dict(required=False, type='str'),
src_volume_id=dict(required=True, type='str'),
retention=dict(required=False, type='str'),
src_snapshot_id=dict(required=False, type='str'),
enable_remote_replication=dict(required=False, type='bool'),
expiration_time=dict(required=False, type='str'),
snap_mirror_label=dict(required=False, type='str')
))
self.module = AnsibleModule(
argument_spec=self.argument_spec,
supports_check_mode=True
)
input_params = self.module.params
self.state = input_params['state']
self.name = input_params['name']
self.account_id = input_params['account_id']
self.src_volume_id = input_params['src_volume_id']
self.src_snapshot_id = input_params['src_snapshot_id']
self.retention = input_params['retention']
self.properties_provided = False
self.expiration_time = input_params['expiration_time']
if input_params['expiration_time'] is not None:
self.properties_provided = True
self.enable_remote_replication = input_params['enable_remote_replication']
if input_params['enable_remote_replication'] is not None:
self.properties_provided = True
self.snap_mirror_label = input_params['snap_mirror_label']
if input_params['snap_mirror_label'] is not None:
self.properties_provided = True
if self.state == 'absent' and self.src_snapshot_id is None:
self.module.fail_json(
msg="Please provide required parameter : snapshot_id")
if HAS_SF_SDK is False:
self.module.fail_json(
msg="Unable to import the SolidFire Python SDK")
else:
self.sfe = netapp_utils.create_sf_connection(module=self.module)
self.elementsw_helper = NaElementSWModule(self.sfe)
# add telemetry attributes
self.attributes = self.elementsw_helper.set_element_attributes(source='na_elementsw_snapshot')
def get_account_id(self):
"""
Return account id if found
"""
try:
# Update and return self.account_id
self.account_id = self.elementsw_helper.account_exists(self.account_id)
return self.account_id
except Exception as err:
self.module.fail_json(msg="Error: account_id %s does not exist" % self.account_id, exception=to_native(err))
def get_src_volume_id(self):
"""
Return volume id if found
"""
src_vol_id = self.elementsw_helper.volume_exists(self.src_volume_id, self.account_id)
if src_vol_id is not None:
# Update and return self.volume_id
self.src_volume_id = src_vol_id
# Return src_volume_id
return self.src_volume_id
return None
def get_snapshot(self, name=None):
"""
Return snapshot details if found
"""
src_snapshot = None
if name is not None:
src_snapshot = self.elementsw_helper.get_snapshot(name, self.src_volume_id)
elif self.src_snapshot_id is not None:
src_snapshot = self.elementsw_helper.get_snapshot(self.src_snapshot_id, self.src_volume_id)
if src_snapshot is not None:
# Update self.src_snapshot_id
self.src_snapshot_id = src_snapshot.snapshot_id
# Return src_snapshot
return src_snapshot
def create_snapshot(self):
"""
Create Snapshot
"""
try:
self.sfe.create_snapshot(volume_id=self.src_volume_id,
snapshot_id=self.src_snapshot_id,
name=self.name,
enable_remote_replication=self.enable_remote_replication,
retention=self.retention,
snap_mirror_label=self.snap_mirror_label,
attributes=self.attributes)
except Exception as exception_object:
self.module.fail_json(
msg='Error creating snapshot %s' % (
to_native(exception_object)),
exception=traceback.format_exc())
def modify_snapshot(self):
"""
Modify Snapshot Properties
"""
try:
self.sfe.modify_snapshot(snapshot_id=self.src_snapshot_id,
expiration_time=self.expiration_time,
enable_remote_replication=self.enable_remote_replication,
snap_mirror_label=self.snap_mirror_label)
except Exception as exception_object:
self.module.fail_json(
msg='Error modify snapshot %s' % (
to_native(exception_object)),
exception=traceback.format_exc())
def delete_snapshot(self):
"""
Delete Snapshot
"""
try:
self.sfe.delete_snapshot(snapshot_id=self.src_snapshot_id)
except Exception as exception_object:
self.module.fail_json(
msg='Error delete snapshot %s' % (
to_native(exception_object)),
exception=traceback.format_exc())
def apply(self):
"""
Check, process and initiate snapshot operation
"""
changed = False
snapshot_delete = False
snapshot_create = False
snapshot_modify = False
result_message = None
self.get_account_id()
# Dont proceed if source volume is not found
if self.get_src_volume_id() is None:
self.module.fail_json(msg="Volume id not found %s" % self.src_volume_id)
# Get snapshot details using source volume
snapshot_detail = self.get_snapshot()
if snapshot_detail:
if self.properties_provided:
if self.expiration_time != snapshot_detail.expiration_time:
changed = True
else: # To preserve value in case parameter expiration_time is not defined/provided.
self.expiration_time = snapshot_detail.expiration_time
if self.enable_remote_replication != snapshot_detail.enable_remote_replication:
changed = True
else: # To preserve value in case parameter enable_remote_Replication is not defined/provided.
self.enable_remote_replication = snapshot_detail.enable_remote_replication
if self.snap_mirror_label != snapshot_detail.snap_mirror_label:
changed = True
else: # To preserve value in case parameter snap_mirror_label is not defined/provided.
self.snap_mirror_label = snapshot_detail.snap_mirror_label
if self.account_id is None or self.src_volume_id is None or self.module.check_mode:
changed = False
result_message = "Check mode, skipping changes"
elif self.state == 'absent' and snapshot_detail is not None:
self.delete_snapshot()
changed = True
elif self.state == 'present' and snapshot_detail is not None:
if changed:
self.modify_snapshot() # Modify Snapshot properties
elif not self.properties_provided:
if self.name is not None:
snapshot = self.get_snapshot(self.name)
# If snapshot with name already exists return without performing any action
if snapshot is None:
self.create_snapshot() # Create Snapshot using parent src_snapshot_id
changed = True
else:
self.create_snapshot()
changed = True
elif self.state == 'present':
if self.name is not None:
snapshot = self.get_snapshot(self.name)
# If snapshot with name already exists return without performing any action
if snapshot is None:
self.create_snapshot() # Create Snapshot using parent src_snapshot_id
changed = True
else:
self.create_snapshot()
changed = True
else:
changed = False
result_message = "No changes requested, skipping changes"
self.module.exit_json(changed=changed, msg=result_message)
def main():
"""
Main function
"""
na_elementsw_snapshot = ElementOSSnapshot()
na_elementsw_snapshot.apply()
if __name__ == '__main__':
main()
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