324 lines
13 KiB
Python
324 lines
13 KiB
Python
#!/usr/bin/python
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# (c) 2018-2019, NetApp, Inc
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# GNU General Public License v3.0+
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# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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module: na_ontap_snapshot
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short_description: NetApp ONTAP manage Snapshots
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extends_documentation_fragment:
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- netapp.na_ontap
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version_added: '2.6'
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author: NetApp Ansible Team (@carchi8py) <ng-ansibleteam@netapp.com>
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description:
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- Create/Modify/Delete ONTAP snapshots
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options:
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state:
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description:
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- If you want to create/modify a snapshot, or delete it.
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choices: ['present', 'absent']
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default: present
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snapshot:
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description:
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Name of the snapshot to be managed.
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The maximum string length is 256 characters.
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required: true
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from_name:
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description:
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- Name of the existing snapshot to be renamed to.
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version_added: '2.8'
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volume:
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description:
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- Name of the volume on which the snapshot is to be created.
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required: true
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async_bool:
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description:
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- If true, the snapshot is to be created asynchronously.
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type: bool
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comment:
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description:
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A human readable comment attached with the snapshot.
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The size of the comment can be at most 255 characters.
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snapmirror_label:
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description:
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A human readable SnapMirror Label attached with the snapshot.
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Size of the label can be at most 31 characters.
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ignore_owners:
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description:
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- if this field is true, snapshot will be deleted
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even if some other processes are accessing it.
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type: bool
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snapshot_instance_uuid:
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description:
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- The 128 bit unique snapshot identifier expressed in the form of UUID.
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vserver:
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description:
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- The Vserver name
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'''
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EXAMPLES = """
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- name: create SnapShot
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tags:
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- create
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na_ontap_snapshot:
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state: present
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snapshot: "{{ snapshot name }}"
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volume: "{{ vol name }}"
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comment: "i am a comment"
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vserver: "{{ vserver name }}"
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username: "{{ netapp username }}"
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password: "{{ netapp password }}"
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hostname: "{{ netapp hostname }}"
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- name: delete SnapShot
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tags:
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- delete
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na_ontap_snapshot:
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state: absent
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snapshot: "{{ snapshot name }}"
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volume: "{{ vol name }}"
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vserver: "{{ vserver name }}"
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username: "{{ netapp username }}"
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password: "{{ netapp password }}"
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hostname: "{{ netapp hostname }}"
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- name: modify SnapShot
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tags:
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- modify
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na_ontap_snapshot:
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state: present
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snapshot: "{{ snapshot name }}"
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comment: "New comments are great"
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volume: "{{ vol name }}"
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vserver: "{{ vserver name }}"
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username: "{{ netapp username }}"
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password: "{{ netapp password }}"
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hostname: "{{ netapp hostname }}"
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"""
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RETURN = """
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"""
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import traceback
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.netapp_module import NetAppModule
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from ansible.module_utils._text import to_native
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import ansible.module_utils.netapp as netapp_utils
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HAS_NETAPP_LIB = netapp_utils.has_netapp_lib()
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class NetAppOntapSnapshot(object):
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"""
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Creates, modifies, and deletes a Snapshot
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"""
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def __init__(self):
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self.argument_spec = netapp_utils.na_ontap_host_argument_spec()
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self.argument_spec.update(dict(
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state=dict(required=False, choices=[
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'present', 'absent'], default='present'),
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from_name=dict(required=False, type='str'),
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snapshot=dict(required=True, type="str"),
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volume=dict(required=True, type="str"),
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async_bool=dict(required=False, type="bool", default=False),
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comment=dict(required=False, type="str"),
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snapmirror_label=dict(required=False, type="str"),
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ignore_owners=dict(required=False, type="bool", default=False),
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snapshot_instance_uuid=dict(required=False, type="str"),
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vserver=dict(required=True, type="str"),
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))
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self.module = AnsibleModule(
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argument_spec=self.argument_spec,
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supports_check_mode=True
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)
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self.na_helper = NetAppModule()
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self.parameters = self.na_helper.set_parameters(self.module.params)
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if HAS_NETAPP_LIB is False:
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self.module.fail_json(
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msg="the python NetApp-Lib module is required")
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else:
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self.server = netapp_utils.setup_na_ontap_zapi(
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module=self.module, vserver=self.parameters['vserver'])
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return
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def get_snapshot(self, snapshot_name=None):
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"""
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Checks to see if a snapshot exists or not
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:return: Return True if a snapshot exists, False if it doesn't
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"""
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if snapshot_name is None:
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snapshot_name = self.parameters['snapshot']
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snapshot_obj = netapp_utils.zapi.NaElement("snapshot-get-iter")
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desired_attr = netapp_utils.zapi.NaElement("desired-attributes")
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snapshot_info = netapp_utils.zapi.NaElement('snapshot-info')
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comment = netapp_utils.zapi.NaElement('comment')
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snapmirror_label = netapp_utils.zapi.NaElement('snapmirror-label')
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# add more desired attributes that are allowed to be modified
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snapshot_info.add_child_elem(comment)
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snapshot_info.add_child_elem(snapmirror_label)
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desired_attr.add_child_elem(snapshot_info)
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snapshot_obj.add_child_elem(desired_attr)
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# compose query
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query = netapp_utils.zapi.NaElement("query")
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snapshot_info_obj = netapp_utils.zapi.NaElement("snapshot-info")
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snapshot_info_obj.add_new_child("name", snapshot_name)
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snapshot_info_obj.add_new_child("volume", self.parameters['volume'])
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query.add_child_elem(snapshot_info_obj)
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snapshot_obj.add_child_elem(query)
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result = self.server.invoke_successfully(snapshot_obj, True)
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return_value = None
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if result.get_child_by_name('num-records') and \
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int(result.get_child_content('num-records')) == 1:
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attributes_list = result.get_child_by_name('attributes-list')
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snap_info = attributes_list.get_child_by_name('snapshot-info')
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return_value = {'comment': snap_info.get_child_content('comment')}
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if snap_info.get_child_by_name('snapmirror-label'):
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return_value['snapmirror_label'] = snap_info.get_child_content('snapmirror-label')
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else:
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return_value['snapmirror_label'] = None
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return return_value
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def create_snapshot(self):
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"""
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Creates a new snapshot
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"""
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snapshot_obj = netapp_utils.zapi.NaElement("snapshot-create")
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# set up required variables to create a snapshot
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snapshot_obj.add_new_child("snapshot", self.parameters['snapshot'])
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snapshot_obj.add_new_child("volume", self.parameters['volume'])
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# Set up optional variables to create a snapshot
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if self.parameters.get('async_bool'):
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snapshot_obj.add_new_child("async", self.parameters['async_bool'])
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if self.parameters.get('comment'):
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snapshot_obj.add_new_child("comment", self.parameters['comment'])
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if self.parameters.get('snapmirror_label'):
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snapshot_obj.add_new_child(
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"snapmirror-label", self.parameters['snapmirror_label'])
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try:
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self.server.invoke_successfully(snapshot_obj, True)
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except netapp_utils.zapi.NaApiError as error:
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self.module.fail_json(msg='Error creating snapshot %s: %s' %
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(self.parameters['snapshot'], to_native(error)),
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exception=traceback.format_exc())
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def delete_snapshot(self):
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"""
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Deletes an existing snapshot
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"""
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snapshot_obj = netapp_utils.zapi.NaElement("snapshot-delete")
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# Set up required variables to delete a snapshot
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snapshot_obj.add_new_child("snapshot", self.parameters['snapshot'])
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snapshot_obj.add_new_child("volume", self.parameters['volume'])
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# set up optional variables to delete a snapshot
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if self.parameters.get('ignore_owners'):
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snapshot_obj.add_new_child("ignore-owners", self.parameters['ignore_owners'])
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if self.parameters.get('snapshot_instance_uuid'):
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snapshot_obj.add_new_child("snapshot-instance-uuid", self.parameters['snapshot_instance_uuid'])
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try:
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self.server.invoke_successfully(snapshot_obj, True)
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except netapp_utils.zapi.NaApiError as error:
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self.module.fail_json(msg='Error deleting snapshot %s: %s' %
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(self.parameters['snapshot'], to_native(error)),
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exception=traceback.format_exc())
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def modify_snapshot(self):
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"""
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Modify an existing snapshot
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:return:
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"""
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snapshot_obj = netapp_utils.zapi.NaElement("snapshot-modify-iter")
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# Create query object, this is the existing object
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query = netapp_utils.zapi.NaElement("query")
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snapshot_info_obj = netapp_utils.zapi.NaElement("snapshot-info")
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snapshot_info_obj.add_new_child("name", self.parameters['snapshot'])
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query.add_child_elem(snapshot_info_obj)
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snapshot_obj.add_child_elem(query)
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# this is what we want to modify in the snapshot object
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attributes = netapp_utils.zapi.NaElement("attributes")
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snapshot_info_obj = netapp_utils.zapi.NaElement("snapshot-info")
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snapshot_info_obj.add_new_child("name", self.parameters['snapshot'])
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if self.parameters.get('comment'):
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snapshot_info_obj.add_new_child("comment", self.parameters['comment'])
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if self.parameters.get('snapmirror_label'):
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snapshot_info_obj.add_new_child("snapmirror-label", self.parameters['snapmirror_label'])
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attributes.add_child_elem(snapshot_info_obj)
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snapshot_obj.add_child_elem(attributes)
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try:
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self.server.invoke_successfully(snapshot_obj, True)
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except netapp_utils.zapi.NaApiError as error:
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self.module.fail_json(msg='Error modifying snapshot %s: %s' %
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(self.parameters['snapshot'], to_native(error)),
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exception=traceback.format_exc())
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def rename_snapshot(self):
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"""
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Rename the sanpshot
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"""
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snapshot_obj = netapp_utils.zapi.NaElement("snapshot-rename")
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# set up required variables to rename a snapshot
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snapshot_obj.add_new_child("current-name", self.parameters['from_name'])
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snapshot_obj.add_new_child("new-name", self.parameters['snapshot'])
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snapshot_obj.add_new_child("volume", self.parameters['volume'])
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try:
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self.server.invoke_successfully(snapshot_obj, True)
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except netapp_utils.zapi.NaApiError as error:
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self.module.fail_json(msg='Error renaming snapshot %s to %s: %s' %
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(self.parameters['from_name'], self.parameters['snapshot'], to_native(error)),
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exception=traceback.format_exc())
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def apply(self):
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"""
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Check to see which play we should run
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"""
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current = self.get_snapshot()
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netapp_utils.ems_log_event("na_ontap_snapshot", self.server)
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rename, cd_action = None, None
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modify = {}
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if self.parameters.get('from_name'):
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current_old_name = self.get_snapshot(self.parameters['from_name'])
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rename = self.na_helper.is_rename_action(current_old_name, current)
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modify = self.na_helper.get_modified_attributes(current_old_name, self.parameters)
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else:
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cd_action = self.na_helper.get_cd_action(current, self.parameters)
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if cd_action is None:
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modify = self.na_helper.get_modified_attributes(current, self.parameters)
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if self.na_helper.changed:
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if self.module.check_mode:
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pass
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else:
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if rename:
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self.rename_snapshot()
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if cd_action == 'create':
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self.create_snapshot()
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elif cd_action == 'delete':
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self.delete_snapshot()
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elif modify:
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self.modify_snapshot()
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self.module.exit_json(changed=self.na_helper.changed)
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def main():
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"""
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Creates, modifies, and deletes a Snapshot
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"""
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obj = NetAppOntapSnapshot()
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obj.apply()
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if __name__ == '__main__':
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main()
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