Adding ontap_snapmirror.py Module (#44215)

* Adding ontap_snapmirror.py Module
pull/43171/head
Chris Archibald 6 years ago committed by John R Barker
parent d6e74adbf5
commit b85458d8ba

@ -0,0 +1,442 @@
#!/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)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = '''
author: NetApp Ansible Team (ng-ansibleteam@netapp.com)
description:
- Create/Delete/Initialize/Modify SnapMirror volume/vserver relationships
extends_documentation_fragment:
- netapp.ontap
module: na_ontap_snapmirror
options:
state:
choices: ['present', 'absent']
description:
- Whether the specified relationship should exist or not.
default: present
source_volume:
description:
- Specifies the name of the source volume for the SnapMirror.
destination_volume:
description:
- Specifies the name of the destination volume for the SnapMirror.
source_vserver:
description:
- Name of the source vserver for the SnapMirror.
destination_vserver:
description:
- Name of the destination vserver for the SnapMirror.
source_path:
description:
- Specifies the source endpoint of the SnapMirror relationship.
destination_path:
description:
- Specifies the destination endpoint of the SnapMirror relationship.
relationship_type:
choices: ['data_protection', 'load_sharing', 'vault', 'restore', 'transition_data_protection',
'extended_data_protection']
description:
- Specify the type of SnapMirror relationship.
schedule:
description:
- Specify the name of the current schedule, which is used to update the SnapMirror relationship.
- Optional for create, modifiable.
source_hostname:
description:
- Source hostname or IP address.
- Required for SnapMirror delete
source_username:
description:
- Source username.
- Optional if this is same as destination username.
source_password:
description:
- Source password.
- Optional if this is same as destination password.
short_description: "NetApp ONTAP Manage SnapMirror"
version_added: "2.7"
'''
EXAMPLES = """
- name: Create SnapMirror
na_ontap_snapmirror:
state: present
source_volume: test_src
destination_volume: test_dest
source_vserver: ansible_src
destination_vserver: ansible_dest
hostname: "{{ netapp_hostname }}"
username: "{{ netapp_username }}"
password: "{{ netapp_password }}"
- name: Delete SnapMirror
na_ontap_snapmirror:
state: absent
destination_path: <path>
hostname: "{{ netapp_hostname }}"
username: "{{ netapp_username }}"
password: "{{ netapp_password }}"
- name: Set schedule to NULL
na_ontap_snapmirror:
state: present
destination_path: <path>
schedule: ""
hostname: "{{ netapp_hostname }}"
username: "{{ netapp_username }}"
password: "{{ netapp_password }}"
- name: Release SnapMirror
na_ontap_snapmirror:
state: release
destination_path: <path>
hostname: "{{ netapp_hostname }}"
username: "{{ netapp_username }}"
password: "{{ netapp_password }}"
"""
RETURN = """
"""
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_module import NetAppModule
HAS_NETAPP_LIB = netapp_utils.has_netapp_lib()
class NetAppONTAPSnapmirror(object):
"""
Class with Snapmirror methods
"""
def __init__(self):
self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
self.argument_spec.update(dict(
state=dict(required=False, type='str', choices=['present', 'absent'], default='present'),
source_vserver=dict(required=False, type='str'),
destination_vserver=dict(required=False, type='str'),
source_volume=dict(required=False, type='str'),
destination_volume=dict(required=False, type='str'),
source_path=dict(required=False, type='str'),
destination_path=dict(required=False, type='str'),
schedule=dict(required=False, type='str'),
relationship_type=dict(required=False, type='str',
choices=['data_protection', 'load_sharing',
'vault', 'restore',
'transition_data_protection',
'extended_data_protection']
),
source_hostname=dict(required=False, type='str'),
source_username=dict(required=False, type='str'),
source_password=dict(required=False, type='str', no_log=True)
))
self.module = AnsibleModule(
argument_spec=self.argument_spec,
required_together=(['source_volume', 'destination_volume'],
['source_vserver', 'destination_vserver']),
supports_check_mode=True
)
self.na_helper = NetAppModule()
self.parameters = self.na_helper.set_parameters(self.module.params)
# setup later if required
self.source_server = None
if HAS_NETAPP_LIB is False:
self.module.fail_json(msg="the python NetApp-Lib module is required")
else:
self.server = netapp_utils.setup_ontap_zapi(module=self.module)
def snapmirror_get_iter(self):
"""
Compose NaElement object to query current SnapMirror relations using destination-path
SnapMirror relation for a destination path is unique
:return: NaElement object for SnapMirror-get-iter
"""
snapmirror_get_iter = netapp_utils.zapi.NaElement('snapmirror-get-iter')
query = netapp_utils.zapi.NaElement('query')
snapmirror_info = netapp_utils.zapi.NaElement('snapmirror-info')
snapmirror_info.add_new_child('destination-location', self.parameters['destination_path'])
query.add_child_elem(snapmirror_info)
snapmirror_get_iter.add_child_elem(query)
return snapmirror_get_iter
def snapmirror_get(self):
"""
Get current SnapMirror relations
:return: Dictionary of current SnapMirror details if query successful, else None
"""
snapmirror_get_iter = self.snapmirror_get_iter()
snap_info = dict()
try:
result = self.server.invoke_successfully(snapmirror_get_iter, enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error fetching snapmirror info: %s' % to_native(error),
exception=traceback.format_exc())
if result.get_child_by_name('num-records') and \
int(result.get_child_content('num-records')) > 0:
snapmirror_info = result.get_child_by_name('attributes-list').get_child_by_name(
'snapmirror-info')
snap_info['mirror_state'] = snapmirror_info.get_child_content('mirror-state')
snap_info['status'] = snapmirror_info.get_child_content('relationship-status')
snap_info['schedule'] = snapmirror_info.get_child_content('schedule')
if snap_info['schedule'] is None:
snap_info['schedule'] = ""
return snap_info
return None
def snapmirror_create(self):
"""
Create a SnapMirror relationship
"""
options = {'source-location': self.parameters['source_path'],
'destination-location': self.parameters['destination_path']}
snapmirror_create = netapp_utils.zapi.NaElement.create_node_with_children('snapmirror-create', **options)
if self.parameters.get('relationship_type'):
snapmirror_create.add_new_child('relationship-type', self.parameters['relationship_type'])
if self.parameters.get('schedule'):
snapmirror_create.add_new_child('schedule', self.parameters['schedule'])
try:
self.server.invoke_successfully(snapmirror_create, enable_tunneling=True)
self.snapmirror_initialize()
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error creating SnapMirror %s' % to_native(error),
exception=traceback.format_exc())
def delete_snapmirror(self):
"""
Delete a SnapMirror relationship
#1. Quiesce the SnapMirror relationship at destination
#2. Break the SnapMirror relationship at the source
#3. Release the SnapMirror at destination
#4. Delete SnapMirror at destination
"""
if not self.parameters.get('source_hostname'):
self.module.fail_json(msg='Missing parameters for delete: Please specify the '
'source cluster to release the SnapMirror relation')
if self.parameters.get('source_username'):
self.module.params['username'] = self.parameters['dest_username']
if self.parameters.get('source_password'):
self.module.params['password'] = self.parameters['dest_password']
self.source_server = netapp_utils.setup_ontap_zapi(module=self.module)
self.snapmirror_quiesce()
self.snapmirror_break()
if self.get_destination():
self.snapmirror_release()
self.snapmirror_delete()
def snapmirror_quiesce(self):
"""
Quiesce SnapMirror relationship - disable all future transfers to this destination
"""
options = {'destination-location': self.parameters['destination_path']}
snapmirror_quiesce = netapp_utils.zapi.NaElement.create_node_with_children(
'snapmirror-quiesce', **options)
try:
self.server.invoke_successfully(snapmirror_quiesce,
enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error Quiescing SnapMirror : %s'
% (to_native(error)),
exception=traceback.format_exc())
def snapmirror_delete(self):
"""
Delete SnapMirror relationship at destination cluster
"""
options = {'destination-location': self.parameters['destination_path']}
snapmirror_delete = netapp_utils.zapi.NaElement.create_node_with_children(
'snapmirror-destroy', **options)
try:
self.server.invoke_successfully(snapmirror_delete,
enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error deleting SnapMirror : %s'
% (to_native(error)),
exception=traceback.format_exc())
def snapmirror_break(self):
"""
Break SnapMirror relationship at destination cluster
"""
options = {'destination-location': self.parameters['destination_path']}
snapmirror_break = netapp_utils.zapi.NaElement.create_node_with_children(
'snapmirror-break', **options)
try:
self.server.invoke_successfully(snapmirror_break,
enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error breaking SnapMirror relationship : %s'
% (to_native(error)),
exception=traceback.format_exc())
def snapmirror_release(self):
"""
Release SnapMirror relationship from source cluster
"""
options = {'destination-location': self.parameters['destination_path']}
snapmirror_release = netapp_utils.zapi.NaElement.create_node_with_children(
'snapmirror-release', **options)
try:
self.source_server.invoke_successfully(snapmirror_release,
enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error releasing SnapMirror relationship : %s'
% (to_native(error)),
exception=traceback.format_exc())
def snapmirror_abort(self):
"""
Abort a SnapMirror relationship in progress
"""
options = {'destination-location': self.parameters['destination_path']}
snapmirror_abort = netapp_utils.zapi.NaElement.create_node_with_children(
'snapmirror-abort', **options)
try:
self.server.invoke_successfully(snapmirror_abort,
enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error aborting SnapMirror relationship : %s'
% (to_native(error)),
exception=traceback.format_exc())
def snapmirror_initialize(self):
"""
Initialize SnapMirror based on relationship type
"""
current = self.snapmirror_get()
if current['mirror_state'] != 'snapmirrored':
initialize_zapi = 'snapmirror-initialize'
if self.parameters.get('relationship_type') and self.parameters['relationship_type'] == 'load_sharing':
initialize_zapi = 'snapmirror-initialize-ls-set'
options = {'destination-location': self.parameters['destination_path']}
snapmirror_init = netapp_utils.zapi.NaElement.create_node_with_children(
initialize_zapi, **options)
try:
self.server.invoke_successfully(snapmirror_init,
enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error initializing SnapMirror : %s'
% (to_native(error)),
exception=traceback.format_exc())
def snapmirror_modify(self, modify):
"""
Modify SnapMirror schedule
"""
options = {'destination-location': self.parameters['destination_path'],
'schedule': modify.get('schedule')}
snapmirror_modify = netapp_utils.zapi.NaElement.create_node_with_children(
'snapmirror-modify', **options)
try:
self.server.invoke_successfully(snapmirror_modify,
enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error modifying SnapMirror schedule : %s'
% (to_native(error)),
exception=traceback.format_exc())
def snapmirror_update(self):
"""
Update data in destination endpoint
"""
options = {'destination-location': self.parameters['destination_path']}
snapmirror_update = netapp_utils.zapi.NaElement.create_node_with_children(
'snapmirror-update', **options)
try:
result = self.server.invoke_successfully(snapmirror_update,
enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error updating SnapMirror : %s'
% (to_native(error)),
exception=traceback.format_exc())
def check_parameters(self):
"""
Validate parameters and fail if one or more required params are missing
Update source and destination path from vserver and volume parameters
"""
if self.parameters['state'] == 'present'\
and (self.parameters.get('source_path') or self.parameters.get('destination_path')):
if not self.parameters.get('destination_path') or not self.parameters.get('source_path'):
self.module.fail_json(msg='Missing parameters: Source path or Destination path')
elif self.parameters.get('source_volume'):
if not self.parameters.get('source_vserver') or not self.parameters.get('destination_vserver'):
self.module.fail_json(msg='Missing parameters: source vserver or destination vserver or both')
self.parameters['source_path'] = self.parameters['source_vserver'] + ":" + self.parameters['source_volume']
self.parameters['destination_path'] = self.parameters['destination_vserver'] + ":" +\
self.parameters['destination_volume']
elif self.parameters.get('source_vserver'):
self.parameters['source_path'] = self.parameters['source_vserver'] + ":"
self.parameters['destination_path'] = self.parameters['destination_vserver'] + ":"
def get_destination(self):
release_get = netapp_utils.zapi.NaElement('snapmirror-get-destination-iter')
query = netapp_utils.zapi.NaElement('query')
snapmirror_dest_info = netapp_utils.zapi.NaElement('snapmirror-destination-info')
snapmirror_dest_info.add_new_child('destination-location', self.parameters['destination_path'])
query.add_child_elem(snapmirror_dest_info)
release_get.add_child_elem(query)
try:
result = self.source_server.invoke_successfully(release_get, enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error fetching snapmirror destinations info: %s' % to_native(error),
exception=traceback.format_exc())
if result.get_child_by_name('num-records') and \
int(result.get_child_content('num-records')) > 0:
return True
return None
def apply(self):
"""
Apply action to SnapMirror
"""
self.check_parameters()
current = self.snapmirror_get()
cd_action = self.na_helper.get_cd_action(current, self.parameters)
modify = self.na_helper.get_modified_attributes(current, self.parameters)
if cd_action == 'create':
self.snapmirror_create()
elif cd_action == 'delete':
if current['status'] == 'transferring':
self.snapmirror_abort()
else:
self.delete_snapmirror()
else:
if modify:
self.snapmirror_modify(modify)
# check for initialize
if current and current['mirror_state'] != 'snapmirrored':
self.snapmirror_initialize()
# set changed explicitly for initialize
self.na_helper.changed = True
# Update when create is called again, or modify is being called
if self.parameters['state'] == 'present':
self.snapmirror_update()
self.module.exit_json(changed=self.na_helper.changed)
def main():
"""Execute action"""
community_obj = NetAppONTAPSnapmirror()
community_obj.apply()
if __name__ == '__main__':
main()
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