mirror of https://github.com/ansible/ansible.git
Add NetApp ONTAP volume module (#20668)
* Add NetApp ONTAP volume module * Update fail_json message * Make changes to adhere to community guidelines. * Make requested changespull/20894/merge
Sumit Kumar
8 years ago
committed by
jctanner
parent
22926088a0
commit
026e2f3d50
@ -0,0 +1,415 @@
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#!/usr/bin/python
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# (c) 2017, NetApp, Inc
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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ANSIBLE_METADATA = {'status': ['preview'],
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'supported_by': 'community',
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'version': '1.0'}
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DOCUMENTATION = '''
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module: na_cdot_volume
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short_description: Manage NetApp cDOT volumes
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extends_documentation_fragment:
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- netapp.ontap
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version_added: '2.3'
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author: Sumit Kumar (sumit4@netapp.com)
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description:
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- Create or destroy volumes on NetApp cDOT
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options:
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state:
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description:
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- Whether the specified volume should exist or not.
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required: true
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choices: ['present', 'absent']
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name:
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description:
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- The name of the lun to manage.
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required: true
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infinite:
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description:
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- Set True if the volume is an Infinite Volume.
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choices: ['True', 'False']
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default: 'False'
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online:
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description:
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- Whether the specified volume is online, or not.
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choices: ['True', 'False']
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default: 'True'
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aggregate_name:
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description:
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- The name of the aggregate the flexvol should exist on.
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note: required when C(state=present)
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size:
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description:
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- The size of the volume in (size_unit).
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note: required when C(state=present)
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size_unit:
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description:
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- The unit used to interpret the size parameter.
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choices: ['bytes', 'b', 'kb', 'mb', 'gb', 'tb', 'pb', 'eb', 'zb', 'yb']
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default: 'gb'
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vserver:
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description:
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- Name of the vserver to use.
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required: true
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default: None
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'''
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EXAMPLES = """
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- name: Create FlexVol
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na_cdot_volume:
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state: present
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name: ansibleVolume
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infinite: False
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aggregate_name: aggr1
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size: 20
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size_unit: mb
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vserver: ansibleVServer
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hostname: "{{ netapp_hostname }}"
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username: "{{ netapp_username }}"
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password: "{{ netapp_password }}"
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- name: Make FlexVol offline
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na_cdot_volume:
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state: present
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name: ansibleVolume
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infinite: False
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online: False
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vserver: ansibleVServer
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hostname: "{{ netapp_hostname }}"
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username: "{{ netapp_username }}"
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password: "{{ netapp_password }}"
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"""
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RETURN = """
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"""
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.pycompat24 import get_exception
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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 NetAppCDOTVolume(object):
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def __init__(self):
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self._size_unit_map = dict(
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bytes=1,
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b=1,
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kb=1024,
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mb=1024 ** 2,
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gb=1024 ** 3,
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tb=1024 ** 4,
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pb=1024 ** 5,
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eb=1024 ** 6,
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zb=1024 ** 7,
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yb=1024 ** 8
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)
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self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
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self.argument_spec.update(dict(
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state=dict(required=True, choices=['present', 'absent']),
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name=dict(required=True, type='str'),
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is_infinite=dict(required=False, type='bool', default=False, aliases=['infinite']),
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is_online=dict(required=False, type='bool', default=True, aliases=['online']),
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size=dict(type='int'),
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size_unit=dict(default='gb',
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choices=['bytes', 'b', 'kb', 'mb', 'gb', 'tb',
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'pb', 'eb', 'zb', 'yb'], type='str'),
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aggregate_name=dict(type='str'),
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vserver=dict(required=True, type='str', default=None),
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))
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self.module = AnsibleModule(
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argument_spec=self.argument_spec,
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required_if=[
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('state', 'present', ['aggregate_name', 'size'])
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],
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supports_check_mode=True
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)
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p = self.module.params
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# set up state variables
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self.state = p['state']
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self.name = p['name']
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self.is_infinite = p['is_infinite']
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self.is_online = p['is_online']
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self.size_unit = p['size_unit']
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self.vserver = p['vserver']
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if p['size'] is not None:
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self.size = p['size'] * self._size_unit_map[self.size_unit]
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else:
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self.size = None
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self.aggregate_name = p['aggregate_name']
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if HAS_NETAPP_LIB is False:
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self.module.fail_json(msg="the python NetApp-Lib module is required")
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else:
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self.server = netapp_utils.setup_ontap_zapi(module=self.module, vserver=self.vserver)
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def get_volume(self):
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"""
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Return details about the volume
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:param:
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name : Name of the volume
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:return: Details about the volume. None if not found.
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:rtype: dict
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"""
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volume_info = netapp_utils.zapi.NaElement('volume-get-iter')
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volume_attributes = netapp_utils.zapi.NaElement('volume-attributes')
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volume_id_attributes = netapp_utils.zapi.NaElement('volume-id-attributes')
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volume_id_attributes.add_new_child('name', self.name)
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volume_attributes.add_child_elem(volume_id_attributes)
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query = netapp_utils.zapi.NaElement('query')
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query.add_child_elem(volume_attributes)
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volume_info.add_child_elem(query)
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result = self.server.invoke_successfully(volume_info, 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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volume_attributes = result.get_child_by_name(
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'attributes-list').get_child_by_name(
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'volume-attributes')
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# Get volume's current size
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volume_space_attributes = volume_attributes.get_child_by_name(
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'volume-space-attributes')
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current_size = volume_space_attributes.get_child_content('size')
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# Get volume's state (online/offline)
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volume_state_attributes = volume_attributes.get_child_by_name(
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'volume-state-attributes')
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current_state = volume_state_attributes.get_child_content('state')
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is_online = None
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if current_state == "online":
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is_online = True
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elif current_state == "offline":
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is_online = False
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return_value = {
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'name': self.name,
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'size': current_size,
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'is_online': is_online,
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}
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return return_value
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def create_volume(self):
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volume_create = netapp_utils.zapi.NaElement.create_node_with_children(
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'volume-create', **{'volume': self.name,
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'containing-aggr-name': self.aggregate_name,
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'size': str(self.size)})
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try:
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self.server.invoke_successfully(volume_create,
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enable_tunneling=True)
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except netapp_utils.zapi.NaApiError:
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err = get_exception()
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self.module.fail_json(msg='Error provisioning volume %s of size %s' % (self.name, self.size),
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exception=str(err))
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def delete_volume(self):
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if self.is_infinite:
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volume_delete = netapp_utils.zapi.NaElement.create_node_with_children(
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'volume-destroy-async', **{'volume-name': self.name})
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else:
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volume_delete = netapp_utils.zapi.NaElement.create_node_with_children(
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'volume-destroy', **{'name': self.name, 'unmount-and-offline':
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'true'})
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try:
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self.server.invoke_successfully(volume_delete,
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enable_tunneling=True)
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except netapp_utils.zapi.NaApiError:
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err = get_exception()
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self.module.fail_json(msg='Error deleting volume %s' % self.name,
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exception=str(err))
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def rename_volume(self):
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"""
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Rename the volume.
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Note: 'is_infinite' needs to be set to True in order to rename an
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Infinite Volume.
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"""
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if self.is_infinite:
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volume_rename = netapp_utils.zapi.NaElement.create_node_with_children(
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'volume-rename-async',
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**{'volume-name': self.name, 'new-volume-name': str(
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self.name)})
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else:
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volume_rename = netapp_utils.zapi.NaElement.create_node_with_children(
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'volume-rename', **{'volume': self.name, 'new-volume-name': str(
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self.name)})
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try:
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self.server.invoke_successfully(volume_rename,
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enable_tunneling=True)
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except netapp_utils.zapi.NaApiError:
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err = get_exception()
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self.module.fail_json(msg='Error renaming volume %s' % self.name,
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exception=str(err))
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def resize_volume(self):
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"""
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Re-size the volume.
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Note: 'is_infinite' needs to be set to True in order to rename an
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Infinite Volume.
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"""
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if self.is_infinite:
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volume_resize = netapp_utils.zapi.NaElement.create_node_with_children(
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'volume-size-async',
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**{'volume-name': self.name, 'new-size': str(
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self.size)})
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else:
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volume_resize = netapp_utils.zapi.NaElement.create_node_with_children(
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'volume-size', **{'volume': self.name, 'new-size': str(
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self.size)})
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try:
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self.server.invoke_successfully(volume_resize,
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enable_tunneling=True)
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except netapp_utils.zapi.NaApiError:
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err = get_exception()
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self.module.fail_json(msg='Error re-sizing volume %s' % self.name,
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exception=str(err))
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def change_volume_state(self):
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"""
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Change volume's state (offline/online).
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Note: 'is_infinite' needs to be set to True in order to change the
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state of an Infinite Volume.
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"""
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state_requested = None
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if self.is_online:
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# Requested state is 'online'.
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state_requested = "online"
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if self.is_infinite:
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volume_change_state = netapp_utils.zapi.NaElement.create_node_with_children(
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'volume-online-async',
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**{'volume-name': self.name})
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else:
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volume_change_state = netapp_utils.zapi.NaElement.create_node_with_children(
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'volume-online',
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**{'name': self.name})
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else:
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# Requested state is 'offline'.
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state_requested = "offline"
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if self.is_infinite:
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volume_change_state = netapp_utils.zapi.NaElement.create_node_with_children(
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'volume-offline-async',
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**{'volume-name': self.name})
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else:
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volume_change_state = netapp_utils.zapi.NaElement.create_node_with_children(
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'volume-offline',
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**{'name': self.name})
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try:
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self.server.invoke_successfully(volume_change_state,
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enable_tunneling=True)
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except netapp_utils.zapi.NaApiError:
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err = get_exception()
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self.module.fail_json(msg='Error changing the state of volume %s to %s' % (self.name, state_requested),
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exception=str(err))
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def apply(self):
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changed = False
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volume_exists = False
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rename_volume = False
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resize_volume = False
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volume_detail = self.get_volume()
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if volume_detail:
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volume_exists = True
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if self.state == 'absent':
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changed = True
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elif self.state == 'present':
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if str(volume_detail['size']) != str(self.size):
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resize_volume = True
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changed = True
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if (volume_detail['is_online'] is not None) and (volume_detail['is_online'] != self.is_online):
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changed = True
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if self.is_online is False:
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# Volume is online, but requested state is offline
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pass
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else:
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# Volume is offline but requested state is online
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pass
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else:
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if self.state == 'present':
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changed = True
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if 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 self.state == 'present':
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if not volume_exists:
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self.create_volume()
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else:
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if resize_volume:
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self.resize_volume()
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if volume_detail['is_online'] is not \
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None and volume_detail['is_online'] != \
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self.is_online:
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self.change_volume_state()
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# Ensure re-naming is the last change made.
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if rename_volume:
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self.rename_volume()
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elif self.state == 'absent':
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self.delete_volume()
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self.module.exit_json(changed=changed)
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def main():
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v = NetAppCDOTVolume()
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v.apply()
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if __name__ == '__main__':
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main()
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