320 lines
12 KiB
Python
320 lines
12 KiB
Python
#!/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 = '''
|
|
module: na_ontap_snapshot
|
|
short_description: Manage NetApp Sanpshots
|
|
extends_documentation_fragment:
|
|
- netapp.na_ontap
|
|
version_added: '2.6'
|
|
author:
|
|
- Chris Archibald (carchi@netapp.com), Kevin Hutton (khutton@netapp.com)
|
|
description:
|
|
- Create/Modify/Delete Ontap snapshots
|
|
options:
|
|
state:
|
|
description:
|
|
- If you want to create/modify a snapshot, or delete it.
|
|
choices: ['present', 'absent']
|
|
default: present
|
|
snapshot:
|
|
description:
|
|
Name of the snapshot to be managed.
|
|
The maximum string length is 256 characters.
|
|
required: true
|
|
volume:
|
|
description:
|
|
- Name of the volume on which the snapshot is to be created.
|
|
required: true
|
|
async_bool:
|
|
description:
|
|
- If true, the snapshot is to be created asynchronously.
|
|
type: bool
|
|
comment:
|
|
description:
|
|
A human readable comment attached with the snapshot.
|
|
The size of the comment can be at most 255 characters.
|
|
snapmirror_label:
|
|
description:
|
|
A human readable SnapMirror Label attached with the snapshot.
|
|
Size of the label can be at most 31 characters.
|
|
ignore_owners:
|
|
description:
|
|
- if this field is true, snapshot will be deleted
|
|
even if some other processes are accessing it.
|
|
type: bool
|
|
snapshot_instance_uuid:
|
|
description:
|
|
- The 128 bit unique snapshot identifier expressed in the form of UUID.
|
|
vserver:
|
|
description:
|
|
- The Vserver name
|
|
new_comment:
|
|
description:
|
|
A human readable comment attached with the snapshot.
|
|
The size of the comment can be at most 255 characters.
|
|
This will replace the existing comment
|
|
'''
|
|
EXAMPLES = """
|
|
- name: create SnapShot
|
|
tags:
|
|
- create
|
|
na_ontap_snapshot:
|
|
state=present
|
|
snapshot={{ snapshot name }}
|
|
volume={{ vol name }}
|
|
comment="i am a comment"
|
|
vserver={{ vserver name }}
|
|
username={{ netapp username }}
|
|
password={{ netapp password }}
|
|
hostname={{ netapp hostname }}
|
|
- name: delete SnapShot
|
|
tags:
|
|
- delete
|
|
na_ontap_snapshot:
|
|
state=absent
|
|
snapshot={{ snapshot name }}
|
|
volume={{ vol name }}
|
|
vserver={{ vserver name }}
|
|
username={{ netapp username }}
|
|
password={{ netapp password }}
|
|
hostname={{ netapp hostname }}
|
|
- name: modify SnapShot
|
|
tags:
|
|
- modify
|
|
na_ontap_snapshot:
|
|
state=present
|
|
snapshot={{ snapshot name }}
|
|
new_comment="New comments are great"
|
|
volume={{ vol name }}
|
|
vserver={{ vserver name }}
|
|
username={{ netapp username }}
|
|
password={{ netapp password }}
|
|
hostname={{ netapp hostname }}
|
|
"""
|
|
|
|
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
|
|
|
|
HAS_NETAPP_LIB = netapp_utils.has_netapp_lib()
|
|
|
|
|
|
class NetAppOntapSnapshot(object):
|
|
"""
|
|
Creates, modifies, and deletes a Snapshot
|
|
"""
|
|
|
|
def __init__(self):
|
|
self.argument_spec = netapp_utils.na_ontap_host_argument_spec()
|
|
self.argument_spec.update(dict(
|
|
state=dict(required=False, choices=[
|
|
'present', 'absent'], default='present'),
|
|
snapshot=dict(required=True, type="str"),
|
|
volume=dict(required=True, type="str"),
|
|
async_bool=dict(required=False, type="bool", default=False),
|
|
comment=dict(required=False, type="str"),
|
|
snapmirror_label=dict(required=False, type="str"),
|
|
ignore_owners=dict(required=False, type="bool", default=False),
|
|
snapshot_instance_uuid=dict(required=False, type="str"),
|
|
vserver=dict(required=True, type="str"),
|
|
new_comment=dict(required=False, type="str"),
|
|
|
|
))
|
|
self.module = AnsibleModule(
|
|
argument_spec=self.argument_spec,
|
|
supports_check_mode=True
|
|
)
|
|
|
|
parameters = self.module.params
|
|
|
|
# set up state variables
|
|
# These are the required variables
|
|
self.state = parameters['state']
|
|
self.snapshot = parameters['snapshot']
|
|
self.vserver = parameters['vserver']
|
|
# these are the optional variables for creating a snapshot
|
|
self.volume = parameters['volume']
|
|
self.async_bool = parameters['async_bool']
|
|
self.comment = parameters['comment']
|
|
self.snapmirror_label = parameters['snapmirror_label']
|
|
# these are the optional variables for deleting a snapshot\
|
|
self.ignore_owners = parameters['ignore_owners']
|
|
self.snapshot_instance_uuid = parameters['snapshot_instance_uuid']
|
|
# These are the optional for Modify.
|
|
# You can NOT change a snapcenter name
|
|
self.new_comment = parameters['new_comment']
|
|
|
|
if HAS_NETAPP_LIB is False:
|
|
self.module.fail_json(
|
|
msg="the python NetApp-Lib module is required")
|
|
else:
|
|
self.server = netapp_utils.setup_na_ontap_zapi(
|
|
module=self.module, vserver=self.vserver)
|
|
return
|
|
|
|
def create_snapshot(self):
|
|
"""
|
|
Creates a new snapshot
|
|
"""
|
|
snapshot_obj = netapp_utils.zapi.NaElement("snapshot-create")
|
|
|
|
# set up required variables to create a snapshot
|
|
snapshot_obj.add_new_child("snapshot", self.snapshot)
|
|
snapshot_obj.add_new_child("volume", self.volume)
|
|
# Set up optional variables to create a snapshot
|
|
if self.async_bool:
|
|
snapshot_obj.add_new_child("async", self.async_bool)
|
|
if self.comment:
|
|
snapshot_obj.add_new_child("comment", self.comment)
|
|
if self.snapmirror_label:
|
|
snapshot_obj.add_new_child(
|
|
"snapmirror-label", self.snapmirror_label)
|
|
try:
|
|
self.server.invoke_successfully(snapshot_obj, True)
|
|
except netapp_utils.zapi.NaApiError as error:
|
|
self.module.fail_json(msg='Error creating snapshot %s: %s' %
|
|
(self.snapshot, to_native(error)),
|
|
exception=traceback.format_exc())
|
|
|
|
def delete_snapshot(self):
|
|
"""
|
|
Deletes an existing snapshot
|
|
"""
|
|
snapshot_obj = netapp_utils.zapi.NaElement("snapshot-delete")
|
|
|
|
# Set up required variables to delete a snapshot
|
|
snapshot_obj.add_new_child("snapshot", self.snapshot)
|
|
snapshot_obj.add_new_child("volume", self.volume)
|
|
# set up optional variables to delete a snapshot
|
|
if self.ignore_owners:
|
|
snapshot_obj.add_new_child("ignore-owners", self.ignore_owners)
|
|
if self.snapshot_instance_uuid:
|
|
snapshot_obj.add_new_child(
|
|
"snapshot-instance-uuid", self.snapshot_instance_uuid)
|
|
try:
|
|
self.server.invoke_successfully(snapshot_obj, True)
|
|
except netapp_utils.zapi.NaApiError as error:
|
|
self.module.fail_json(msg='Error deleting snapshot %s: %s' %
|
|
(self.snapshot, to_native(error)),
|
|
exception=traceback.format_exc())
|
|
|
|
def modify_snapshot(self):
|
|
"""
|
|
Modify an existing snapshot
|
|
:return:
|
|
"""
|
|
snapshot_obj = netapp_utils.zapi.NaElement("snapshot-modify-iter")
|
|
# Create query object, this is the existing object
|
|
query = netapp_utils.zapi.NaElement("query")
|
|
snapshot_info_obj = netapp_utils.zapi.NaElement("snapshot-info")
|
|
snapshot_info_obj.add_new_child("name", self.snapshot)
|
|
query.add_child_elem(snapshot_info_obj)
|
|
snapshot_obj.add_child_elem(query)
|
|
|
|
# this is what we want to modify in the snapshot object
|
|
attributes = netapp_utils.zapi.NaElement("attributes")
|
|
snapshot_info_obj = netapp_utils.zapi.NaElement("snapshot-info")
|
|
snapshot_info_obj.add_new_child("name", self.snapshot)
|
|
snapshot_info_obj.add_new_child("comment", self.new_comment)
|
|
attributes.add_child_elem(snapshot_info_obj)
|
|
snapshot_obj.add_child_elem(attributes)
|
|
try:
|
|
self.server.invoke_successfully(snapshot_obj, True)
|
|
except netapp_utils.zapi.NaApiError as error:
|
|
self.module.fail_json(msg='Error modifying snapshot %s: %s' %
|
|
(self.snapshot, to_native(error)),
|
|
exception=traceback.format_exc())
|
|
|
|
def does_snapshot_exist(self):
|
|
"""
|
|
Checks to see if a snapshot exists or not
|
|
:return: Return True if a snapshot exists, false if it dosn't
|
|
"""
|
|
snapshot_obj = netapp_utils.zapi.NaElement("snapshot-get-iter")
|
|
desired_attr = netapp_utils.zapi.NaElement("desired-attributes")
|
|
snapshot_info = netapp_utils.zapi.NaElement('snapshot-info')
|
|
comment = netapp_utils.zapi.NaElement('comment')
|
|
# add more desired attributes that are allowed to be modified
|
|
snapshot_info.add_child_elem(comment)
|
|
desired_attr.add_child_elem(snapshot_info)
|
|
snapshot_obj.add_child_elem(desired_attr)
|
|
# compose query
|
|
query = netapp_utils.zapi.NaElement("query")
|
|
snapshot_info_obj = netapp_utils.zapi.NaElement("snapshot-info")
|
|
snapshot_info_obj.add_new_child("name", self.snapshot)
|
|
snapshot_info_obj.add_new_child("volume", self.volume)
|
|
query.add_child_elem(snapshot_info_obj)
|
|
snapshot_obj.add_child_elem(query)
|
|
result = self.server.invoke_successfully(snapshot_obj, True)
|
|
return_value = None
|
|
# TODO: Snapshot with the same name will mess this up,
|
|
# need to fix that later
|
|
if result.get_child_by_name('num-records') and \
|
|
int(result.get_child_content('num-records')) == 1:
|
|
attributes_list = result.get_child_by_name('attributes-list')
|
|
snap_info = attributes_list.get_child_by_name('snapshot-info')
|
|
return_value = {'comment': snap_info.get_child_content('comment')}
|
|
return return_value
|
|
|
|
def apply(self):
|
|
"""
|
|
Check to see which play we should run
|
|
"""
|
|
changed = False
|
|
comment_changed = False
|
|
netapp_utils.ems_log_event("na_ontap_snapshot", self.server)
|
|
existing_snapshot = self.does_snapshot_exist()
|
|
if existing_snapshot is not None:
|
|
if self.state == 'absent':
|
|
changed = True
|
|
elif self.state == 'present' and self.new_comment:
|
|
if existing_snapshot['comment'] != self.new_comment:
|
|
comment_changed = True
|
|
changed = True
|
|
else:
|
|
if self.state == 'present':
|
|
changed = True
|
|
if changed:
|
|
if self.module.check_mode:
|
|
pass
|
|
else:
|
|
if self.state == 'present':
|
|
if not existing_snapshot:
|
|
self.create_snapshot()
|
|
elif comment_changed:
|
|
self.modify_snapshot()
|
|
elif self.state == 'absent':
|
|
if existing_snapshot:
|
|
self.delete_snapshot()
|
|
|
|
self.module.exit_json(changed=changed)
|
|
|
|
|
|
def main():
|
|
"""
|
|
Creates, modifies, and deletes a Snapshot
|
|
"""
|
|
|
|
obj = NetAppOntapSnapshot()
|
|
obj.apply()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|