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 paramenters 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)
class ElementOSSnapshot(object):
"""
Element OS Snapshot Manager
"""
def __init__(self):
self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
self.argument_spec.update(dict(
state=dict(required=False, choices=['present', 'absent'], default='present'),
account_id=dict(required=True, type='str'),
name=dict(required=False, type='str'),
src_volume_id=dict(required=True, type='str'),
retention=dict(required=False, type='str'),
src_snapshot_id=dict(required=False, type='str'),
enable_remote_replication=dict(required=False, type='bool'),
expiration_time=dict(required=False, type='str'),
snap_mirror_label=dict(required=False, type='str')
))
self.module = AnsibleModule(
argument_spec=self.argument_spec,
supports_check_mode=True
)
input_params = self.module.params
self.state = input_params['state']
self.name = input_params['name']
self.account_id = input_params['account_id']
self.src_volume_id = input_params['src_volume_id']
self.src_snapshot_id = input_params['src_snapshot_id']
self.retention = input_params['retention']
self.properties_provided = False
self.expiration_time = input_params['expiration_time']
if input_params['expiration_time'] is not None:
self.properties_provided = True
self.enable_remote_replication = input_params['enable_remote_replication']
if input_params['enable_remote_replication'] is not None:
self.properties_provided = True
self.snap_mirror_label = input_params['snap_mirror_label']
if input_params['snap_mirror_label'] is not None:
self.properties_provided = True
if self.state == 'absent' and self.src_snapshot_id is None:
self.module.fail_json(
msg="Please provide required parameter : snapshot_id")
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
self.attributes = self.elementsw_helper.set_element_attributes(source='na_elementsw_snapshot')
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_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 get_snapshot(self, name=None):
"""
Return snapshot details if found
"""
src_snapshot = None
if name is not None:
src_snapshot = self.elementsw_helper.get_snapshot(name, self.src_volume_id)
elif self.src_snapshot_id is not None:
src_snapshot = self.elementsw_helper.get_snapshot(self.src_snapshot_id, self.src_volume_id)
if src_snapshot is not None:
# Update self.src_snapshot_id
self.src_snapshot_id = src_snapshot.snapshot_id
# Return src_snapshot
return src_snapshot
def create_snapshot(self):
"""
Create Snapshot
"""
try:
self.sfe.create_snapshot(volume_id=self.src_volume_id,
snapshot_id=self.src_snapshot_id,
name=self.name,
enable_remote_replication=self.enable_remote_replication,
retention=self.retention,
snap_mirror_label=self.snap_mirror_label,
attributes=self.attributes)
except Exception as exception_object:
self.module.fail_json(
msg='Error creating snapshot %s' % (
to_native(exception_object)),
exception=traceback.format_exc())
def modify_snapshot(self):
"""
Modify Snapshot Properties
"""
try:
self.sfe.modify_snapshot(snapshot_id=self.src_snapshot_id,
expiration_time=self.expiration_time,
enable_remote_replication=self.enable_remote_replication,
snap_mirror_label=self.snap_mirror_label)
except Exception as exception_object:
self.module.fail_json(
msg='Error modify snapshot %s' % (
to_native(exception_object)),
exception=traceback.format_exc())
def delete_snapshot(self):
"""
Delete Snapshot
"""
try:
self.sfe.delete_snapshot(snapshot_id=self.src_snapshot_id)
except Exception as exception_object:
self.module.fail_json(
msg='Error delete snapshot %s' % (
to_native(exception_object)),
exception=traceback.format_exc())
def apply(self):
"""
Check, process and initiate snapshot operation
"""
changed = False
snapshot_delete = False
snapshot_create = False
snapshot_modify = False
result_message = None
self.get_account_id()
# Dont proceed if source volume is not found
if self.get_src_volume_id() is None:
self.module.fail_json(msg="Volume id not found %s" % self.src_volume_id)
# Get snapshot details using source volume
snapshot_detail = self.get_snapshot()
if snapshot_detail:
if self.properties_provided:
if self.expiration_time != snapshot_detail.expiration_time:
changed = True
else: # To preserve value in case parameter expiration_time is not defined/provided.
self.expiration_time = snapshot_detail.expiration_time
if self.enable_remote_replication != snapshot_detail.enable_remote_replication:
changed = True
else: # To preserve value in case parameter enable_remote_Replication is not defined/provided.
self.enable_remote_replication = snapshot_detail.enable_remote_replication
if self.snap_mirror_label != snapshot_detail.snap_mirror_label:
changed = True
else: # To preserve value in case parameter snap_mirror_label is not defined/provided.
self.snap_mirror_label = snapshot_detail.snap_mirror_label
if self.account_id is None or self.src_volume_id is None or self.module.check_mode:
changed = False
result_message = "Check mode, skipping changes"
elif self.state == 'absent' and snapshot_detail is not None:
self.delete_snapshot()
changed = True
elif self.state == 'present' and snapshot_detail is not None:
if changed:
self.modify_snapshot() # Modify Snapshot properties
elif not self.properties_provided:
if self.name is not None:
snapshot = self.get_snapshot(self.name)
# If snapshot with name already exists return without performing any action
if snapshot is None:
self.create_snapshot() # Create Snapshot using parent src_snapshot_id
changed = True
else:
self.create_snapshot()
changed = True
elif self.state == 'present':
if self.name is not None:
snapshot = self.get_snapshot(self.name)
# If snapshot with name already exists return without performing any action
if snapshot is None:
self.create_snapshot() # Create Snapshot using parent src_snapshot_id
changed = True
else:
self.create_snapshot()
changed = True
else:
changed = False
result_message = "No changes requested, skipping changes"
self.module.exit_json(changed=changed, msg=result_message)
class ElementOSSnapshotRestore(object):
"""
Element OS Restore from snapshot
"""
def __init__(self):
self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
self.argument_spec.update(
dict(account_id=dict(required=True, type='str'),
src_volume_id=dict(required=True, type='str'),
dest_volume_name=dict(required=True, type='str'),
src_snapshot_id=dict(required=True, type='str')))
self.module = AnsibleModule(argument_spec=self.argument_spec,
supports_check_mode=True)
input_params = self.module.params
self.account_id = input_params['account_id']
self.src_volume_id = input_params['src_volume_id']
self.dest_volume_name = input_params['dest_volume_name']
self.src_snapshot_id = input_params['src_snapshot_id']
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
self.attributes = self.elementsw_helper.set_element_attributes(
source='na_elementsw_snapshot_restore')
def get_account_id(self):
"""
Get 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:
self.src_snapshot_id = src_snapshot.snapshot_id
# Return self.src_snapshot_id
return self.src_snapshot_id
return None
def restore_snapshot(self):
"""
Restore Snapshot to Volume
"""
try:
self.sfe.clone_volume(volume_id=self.src_volume_id,
name=self.dest_volume_name,
snapshot_id=self.src_snapshot_id,
attributes=self.attributes)
except Exception as exception_object:
self.module.fail_json(msg='Error restore snapshot %s' %
(to_native(exception_object)),
exception=traceback.format_exc())
def apply(self):
"""
Check, process and initiate restore snapshot to volume operation
"""
changed = False
result_message = None
snapshot_detail = None
self.get_account_id()
src_vol_id = self.elementsw_helper.volume_exists(
self.src_volume_id, self.account_id)
if src_vol_id is not None:
# Update self.src_volume_id
self.src_volume_id = src_vol_id
if self.get_snapshot_id() is not None:
# Addressing idempotency by comparing volume does not exist with same volume name
if self.elementsw_helper.volume_exists(
self.dest_volume_name, self.account_id) is None:
self.restore_snapshot()
changed = True
else:
result_message = "No changes requested, Skipping changes"
else:
self.module.fail_json(msg="Snapshot id not found %s" %
self.src_snapshot_id)
else:
self.module.fail_json(msg="Volume id not found %s" %
self.src_volume_id)
self.module.exit_json(changed=changed, msg=result_message)
