#!/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 Software volume clone"""
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'certified'}
DOCUMENTATION = '''
module: na_elementsw_volume_clone
short_description: NetApp Element Software Create Volume Clone
extends_documentation_fragment:
- netapp.solidfire
version_added: '2.7'
author: NetApp Ansible Team (@carchi8py) <[email protected]>
description:
- Create volume clones on Element OS
options:
name:
description:
- The name of the clone.
required: true
src_volume_id:
description:
- The id of the src volume to clone. id may be a numeric identifier or a volume name.
required: true
src_snapshot_id:
description:
- The id of the snapshot to clone. id may be a numeric identifier or a snapshot name.
account_id:
description:
- Account ID for the owner of this cloned volume. id may be a numeric identifier or an account name.
required: true
attributes:
description: A YAML dictionary of attributes that you would like to apply on this cloned volume.
size:
description:
- The size of the cloned volume in (size_unit).
size_unit:
description:
- The unit used to interpret the size parameter.
choices: ['bytes', 'b', 'kb', 'mb', 'gb', 'tb', 'pb', 'eb', 'zb', 'yb']
default: 'gb'
access:
choices: ['readOnly', 'readWrite', 'locked', 'replicationTarget']
description:
- Access allowed for the volume.
- If unspecified, the access settings of the clone will be the same as the source.
- readOnly - Only read operations are allowed.
- readWrite - Reads and writes are allowed.
- locked - No reads or writes are allowed.
- replicationTarget - Identify a volume as the target volume for a paired set of volumes. If the volume is not paired, the access status is locked.
'''
EXAMPLES = """
- name: Clone Volume
na_elementsw_volume_clone:
hostname: "{{ elementsw_hostname }}"
username: "{{ elementsw_username }}"
password: "{{ elementsw_password }}"
name: CloneAnsibleVol
src_volume_id: 123
src_snapshot_id: 41
account_id: 3
size: 1
size_unit: gb
access: readWrite
attributes: {"virtual_network_id": 12345}
"""
RETURN = """
msg:
description: Success message
returned: success
type: str
"""
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 ElementOSVolumeClone(object):
"""
Contains methods to parse arguments,
derive details of Element Software objects
and send requests to Element OS via
the Solidfire SDK
"""
def __init__(self):
"""
Parse arguments, setup state variables,
check parameters and ensure SDK is installed
"""
self._size_unit_map = netapp_utils.SF_BYTE_MAP
self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
self.argument_spec.update(dict(
name=dict(required=True),
src_volume_id=dict(required=True),
src_snapshot_id=dict(),
account_id=dict(required=True),
attributes=dict(type='dict', default=None),
size=dict(type='int'),
size_unit=dict(default='gb',
choices=['bytes', 'b', 'kb', 'mb', 'gb', 'tb',
'pb', 'eb', 'zb', 'yb'], type='str'),
access=dict(type='str',
default=None, choices=['readOnly', 'readWrite',
'locked', 'replicationTarget']),
))
self.module = AnsibleModule(
argument_spec=self.argument_spec,
supports_check_mode=True
)
parameters = self.module.params
# set up state variables
self.name = parameters['name']
self.src_volume_id = parameters['src_volume_id']
self.src_snapshot_id = parameters['src_snapshot_id']
self.account_id = parameters['account_id']
self.attributes = parameters['attributes']
self.size_unit = parameters['size_unit']
if parameters['size'] is not None:
self.size = parameters['size'] * \
self._size_unit_map[self.size_unit]
else:
self.size = None
self.access = parameters['access']
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
if self.attributes is not None:
self.attributes.update(self.elementsw_helper.set_element_attributes(source='na_elementsw_volume_clone'))
else:
self.attributes = self.elementsw_helper.set_element_attributes(source='na_elementsw_volume_clone')
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_snapshot_id(self):
"""
Return snapshot details if found
"""
src_snapshot = self.elementsw_helper.get_snapshot(self.src_snapshot_id, self.src_volume_id)
# Update and return self.src_snapshot_id
if src_snapshot is not None:
self.src_snapshot_id = src_snapshot.snapshot_id
# Return src_snapshot
return self.src_snapshot_id
return None
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 clone_volume(self):
"""Clone Volume from source"""
try:
self.sfe.clone_volume(volume_id=self.src_volume_id,
name=self.name,
new_account_id=self.account_id,
new_size=self.size,
access=self.access,
snapshot_id=self.src_snapshot_id,
attributes=self.attributes)
except Exception as err:
self.module.fail_json(msg="Error creating clone %s of size %s" % (self.name, self.size), exception=to_native(err))
def apply(self):
"""Perform pre-checks, call functions and exit"""
changed = False
result_message = ""
if self.get_account_id() is None:
self.module.fail_json(msg="Account id not found: %s" % (self.account_id))
# there is only one state. other operations
# are part of the volume module
# ensure that a volume with the clone name
# isn't already present
if self.elementsw_helper.volume_exists(self.name, self.account_id) is None:
# check for the source volume
if self.get_src_volume_id() is not None:
# check for a valid snapshot
if self.src_snapshot_id and not self.get_snapshot_id():
self.module.fail_json(msg="Snapshot id not found: %s" % (self.src_snapshot_id))
# change required
changed = True
else:
self.module.fail_json(msg="Volume id not found %s" % (self.src_volume_id))
if changed:
if self.module.check_mode:
result_message = "Check mode, skipping changes"
else:
self.clone_volume()
result_message = "Volume cloned"
self.module.exit_json(changed=changed, msg=result_message)
def main():
"""Create object and call apply"""
volume_clone = ElementOSVolumeClone()
volume_clone.apply()
if __name__ == '__main__':
main()
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