class ElementSWAccessGroup(object):
    """
    Element Software Volume Access Group
    """
    def __init__(self):

        self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
        self.argument_spec.update(
            dict(
                state=dict(required=False,
                           type='str',
                           choices=['present', 'absent'],
                           default='present'),
                from_name=dict(required=False, type='str'),
                name=dict(required=True,
                          aliases=["src_access_group_id"],
                          type='str'),
                initiators=dict(required=False, type='list', elements='str'),
                volumes=dict(required=False, type='list', elements='str'),
                account_id=dict(required=False, type='str'),
                virtual_network_id=dict(required=False, type='int'),
                virtual_network_tags=dict(required=False,
                                          type='list',
                                          elements='str'),
                attributes=dict(required=False, type='dict'),
            ))

        self.module = AnsibleModule(argument_spec=self.argument_spec,
                                    required_if=[('state', 'present',
                                                  ['account_id'])],
                                    supports_check_mode=True)

        input_params = self.module.params

        # Set up state variables
        self.state = input_params['state']
        self.from_name = input_params['from_name']
        self.access_group_name = input_params['name']
        self.initiators = input_params['initiators']
        self.volumes = input_params['volumes']
        self.account_id = input_params['account_id']
        self.virtual_network_id = input_params['virtual_network_id']
        self.virtual_network_tags = input_params['virtual_network_tags']
        self.attributes = input_params['attributes']

        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_access_group'))
        else:
            self.attributes = self.elementsw_helper.set_element_attributes(
                source='na_elementsw_access_group')

    def get_access_group(self, name):
        """
        Get Access Group
            :description: Get Access Group object for a given name

            :return: object (Group object)
            :rtype: object (Group object)
        """
        access_groups_list = self.sfe.list_volume_access_groups()
        group_obj = None

        for group in access_groups_list.volume_access_groups:
            # Check and get access_group object for a given name
            if str(group.volume_access_group_id) == name:
                group_obj = group
            elif group.name == name:
                group_obj = group

        return group_obj

    def get_account_id(self):
        # Validate account id
        # Return account_id if found, None otherwise
        try:
            account_id = self.elementsw_helper.account_exists(self.account_id)
            return account_id
        except solidfire.common.ApiServerError:
            return None

    def get_volume_ids(self):
        # Validate volume_ids
        # Return volume ids if found, fail if not found
        volume_ids = []
        for volume in self.volumes:
            volume_id = self.elementsw_helper.volume_exists(
                volume, self.account_id)
            if volume_id:
                volume_ids.append(volume_id)
            else:
                self.module.fail_json(
                    msg='Specified volume %s does not exist' % volume)
        return volume_ids

    def create_access_group(self):
        """
        Create the Access Group
        """
        try:
            self.sfe.create_volume_access_group(
                name=self.access_group_name,
                initiators=self.initiators,
                volumes=self.volumes,
                virtual_network_id=self.virtual_network_id,
                virtual_network_tags=self.virtual_network_tags,
                attributes=self.attributes)
        except Exception as e:
            self.module.fail_json(
                msg="Error creating volume access group %s: %s" %
                (self.access_group_name, to_native(e)),
                exception=traceback.format_exc())

    def delete_access_group(self):
        """
        Delete the Access Group
        """
        try:
            self.sfe.delete_volume_access_group(
                volume_access_group_id=self.group_id)

        except Exception as e:
            self.module.fail_json(
                msg="Error deleting volume access group %s: %s" %
                (self.access_group_name, to_native(e)),
                exception=traceback.format_exc())

    def update_access_group(self):
        """
        Update the Access Group if the access_group already exists
        """
        try:
            self.sfe.modify_volume_access_group(
                volume_access_group_id=self.group_id,
                virtual_network_id=self.virtual_network_id,
                virtual_network_tags=self.virtual_network_tags,
                initiators=self.initiators,
                volumes=self.volumes,
                attributes=self.attributes)
        except Exception as e:
            self.module.fail_json(
                msg="Error updating volume access group %s: %s" %
                (self.access_group_name, to_native(e)),
                exception=traceback.format_exc())

    def rename_access_group(self):
        """
        Rename the Access Group to the new name
        """
        try:
            self.sfe.modify_volume_access_group(
                volume_access_group_id=self.from_group_id,
                virtual_network_id=self.virtual_network_id,
                virtual_network_tags=self.virtual_network_tags,
                name=self.access_group_name,
                initiators=self.initiators,
                volumes=self.volumes,
                attributes=self.attributes)
        except Exception as e:
            self.module.fail_json(
                msg="Error updating volume access group %s: %s" %
                (self.from_name, to_native(e)),
                exception=traceback.format_exc())

    def apply(self):
        """
        Process the access group operation on the Element Software Cluster
        """
        changed = False
        action = None

        input_account_id = self.account_id
        if self.account_id is not None:
            self.account_id = self.get_account_id()
        if self.state == 'present' and self.volumes is not None:
            if self.account_id:
                self.volumes = self.get_volume_ids()
            else:
                self.module.fail_json(
                    msg='Error: Specified account id "%s" does not exist.' %
                    str(input_account_id))

        group_detail = self.get_access_group(self.access_group_name)

        if group_detail is not None:
            # If access group found
            self.group_id = group_detail.volume_access_group_id

            if self.state == "absent":
                action = 'delete'
                changed = True
            else:
                # If state - present, check for any parameter of exising group needs modification.
                if self.volumes is not None and len(self.volumes) > 0:
                    # Compare the volume list
                    if not group_detail.volumes:
                        # If access group does not have any volume attached
                        action = 'update'
                        changed = True
                    else:
                        for volumeID in group_detail.volumes:
                            if volumeID not in self.volumes:
                                action = 'update'
                                changed = True
                                break

                elif self.initiators is not None and group_detail.initiators != self.initiators:
                    action = 'update'
                    changed = True

                elif self.virtual_network_id is not None or self.virtual_network_tags is not None:
                    action = 'update'
                    changed = True

        else:
            # access_group does not exist
            if self.state == "present" and self.from_name is not None:
                group_detail = self.get_access_group(self.from_name)
                if group_detail is not None:
                    # If resource pointed by from_name exists, rename the access_group to name
                    self.from_group_id = group_detail.volume_access_group_id
                    action = 'rename'
                    changed = True
                else:
                    # If resource pointed by from_name does not exists, error out
                    self.module.fail_json(msg="Resource does not exist : %s" %
                                          self.from_name)
            elif self.state == "present":
                # If from_name is not defined, Create from scratch.
                action = 'create'
                changed = True

        if changed and not self.module.check_mode:
            if action == 'create':
                self.create_access_group()
            elif action == 'rename':
                self.rename_access_group()
            elif action == 'update':
                self.update_access_group()
            elif action == 'delete':
                self.delete_access_group()

        self.module.exit_json(changed=changed)
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 ElementSWAccessGroupVolumes(object):
    """
    Element Software Access Group Volumes
    """
    def __init__(self):

        self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
        self.argument_spec.update(
            dict(
                state=dict(required=False,
                           type='str',
                           choices=['present', 'absent'],
                           default='present'),
                access_group=dict(required=True, type='str'),
                volumes=dict(required=True, type='list', elements='str'),
                account_id=dict(required=True, type='str'),
            ))

        self.module = AnsibleModule(argument_spec=self.argument_spec,
                                    supports_check_mode=True)

        input_params = self.module.params

        # Set up state variables
        self.state = input_params['state']
        self.access_group_name = input_params['access_group']
        self.volumes = input_params['volumes']
        self.account_id = input_params['account_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_access_group')

    def get_access_group(self, name):
        """
        Get Access Group
            :description: Get Access Group object for a given name

            :return: object (Group object)
            :rtype: object (Group object)
        """
        access_groups_list = self.sfe.list_volume_access_groups()
        group_obj = None

        for group in access_groups_list.volume_access_groups:
            # Check  and get access_group object for a given name
            if str(group.volume_access_group_id) == name:
                group_obj = group
            elif group.name == name:
                group_obj = group

        return group_obj

    def get_account_id(self):
        # Validate account id
        # Return account_id if found, None otherwise
        try:
            account_id = self.elementsw_helper.account_exists(self.account_id)
            return account_id
        except solidfire.common.ApiServerError:
            return None

    def get_volume_ids(self):
        # Validate volume_ids
        # Return volume ids if found, fail if not found
        volume_ids = []
        for volume in self.volumes:
            volume_id = self.elementsw_helper.volume_exists(
                volume, self.account_id)
            if volume_id:
                volume_ids.append(volume_id)
            else:
                self.module.fail_json(
                    msg='Error: Specified volume %s does not exist' % volume)
        return volume_ids

    def update_access_group(self, volumes):
        """
        Update the Access Group if the access_group already exists
        """
        try:
            self.sfe.modify_volume_access_group(
                volume_access_group_id=self.group_id, volumes=volumes)
        except Exception as e:
            self.module.fail_json(
                msg="Error updating volume access group %s: %s" %
                (self.access_group_name, to_native(e)),
                exception=traceback.format_exc())

    def apply(self):
        """
        Process the volume add/remove operations for the access group on the Element Software Cluster
        """
        changed = False
        input_account_id = self.account_id

        if self.account_id is not None:
            self.account_id = self.get_account_id()
        if self.account_id is None:
            self.module.fail_json(
                msg='Error: Specified account id "%s" does not exist.' %
                str(input_account_id))

        # get volume data
        self.volume_ids = self.get_volume_ids()
        group_detail = self.get_access_group(self.access_group_name)
        if group_detail is None:
            self.module.fail_json(
                msg=
                'Error: Specified access group "%s" does not exist for account id: %s.'
                % (self.access_group_name, str(input_account_id)))
        self.group_id = group_detail.volume_access_group_id
        volumes = group_detail.volumes

        # compare expected list of volumes to existing one
        if self.state == "absent":
            # remove volumes if present in access group
            volumes = [
                vol for vol in group_detail.volumes
                if vol not in self.volume_ids
            ]
        else:
            # add volumes if not already present
            volumes = [
                vol for vol in self.volume_ids
                if vol not in group_detail.volumes
            ]
            volumes.extend(group_detail.volumes)

        # update if there is a change
        if len(volumes) != len(group_detail.volumes):
            if not self.module.check_mode:
                self.update_access_group(volumes)
            changed = True

        self.module.exit_json(changed=changed)
예제 #4
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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)
class ElementSWVolumePair(object):
    ''' class to handle volume pairing operations '''
    def __init__(self):
        """
            Setup Ansible parameters and SolidFire connection
        """
        self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
        self.argument_spec.update(
            dict(state=dict(required=False,
                            choices=['present', 'absent'],
                            default='present'),
                 src_volume=dict(required=True, type='str'),
                 src_account=dict(required=True, type='str'),
                 dest_volume=dict(required=True, type='str'),
                 dest_account=dict(required=True, type='str'),
                 mode=dict(required=False,
                           type='str',
                           choices=['async', 'sync', 'snapshotsonly'],
                           default='async'),
                 dest_mvip=dict(required=True, type='str'),
                 dest_username=dict(required=False, type='str'),
                 dest_password=dict(required=False, type='str', no_log=True)))

        self.module = AnsibleModule(argument_spec=self.argument_spec,
                                    supports_check_mode=True)

        if HAS_SF_SDK is False:
            self.module.fail_json(
                msg="Unable to import the SolidFire Python SDK")
        else:
            self.elem = netapp_utils.create_sf_connection(module=self.module)

        self.elementsw_helper = NaElementSWModule(self.elem)
        self.na_helper = NetAppModule()
        self.parameters = self.na_helper.set_parameters(self.module.params)
        # get element_sw_connection for destination cluster
        # overwrite existing source host, user and password with destination credentials
        self.module.params['hostname'] = self.parameters['dest_mvip']
        # username and password is same as source,
        # if dest_username and dest_password aren't specified
        if self.parameters.get('dest_username'):
            self.module.params['username'] = self.parameters['dest_username']
        if self.parameters.get('dest_password'):
            self.module.params['password'] = self.parameters['dest_password']
        self.dest_elem = netapp_utils.create_sf_connection(module=self.module)
        self.dest_elementsw_helper = NaElementSWModule(self.dest_elem)

    def check_if_already_paired(self, vol_id):
        """
            Check for idempotency
            A volume can have only one pair
            Return paired-volume-id if volume is paired already
            None if volume is not paired
        """
        paired_volumes = self.elem.list_volumes(volume_ids=[vol_id],
                                                is_paired=True)
        for vol in paired_volumes.volumes:
            for pair in vol.volume_pairs:
                if pair is not None:
                    return pair.remote_volume_id
        return None

    def pair_volumes(self):
        """
            Start volume pairing on source, and complete on target volume
        """
        try:
            pair_key = self.elem.start_volume_pairing(
                volume_id=self.parameters['src_vol_id'],
                mode=self.parameters['mode'])
            self.dest_elem.complete_volume_pairing(
                volume_pairing_key=pair_key.volume_pairing_key,
                volume_id=self.parameters['dest_vol_id'])
        except solidfire.common.ApiServerError as err:
            self.module.fail_json(msg="Error pairing volume id %s" %
                                  (self.parameters['src_vol_id']),
                                  exception=to_native(err))

    def pairing_exists(self, src_id, dest_id):
        src_paired = self.check_if_already_paired(
            self.parameters['src_vol_id'])
        dest_paired = self.check_if_already_paired(
            self.parameters['dest_vol_id'])
        if src_paired is not None or dest_paired is not None:
            return True
        return None

    def unpair_volumes(self):
        """
            Delete volume pair
        """
        try:
            self.elem.remove_volume_pair(
                volume_id=self.parameters['src_vol_id'])
            self.dest_elem.remove_volume_pair(
                volume_id=self.parameters['dest_vol_id'])
        except solidfire.common.ApiServerError as err:
            self.module.fail_json(msg="Error unpairing volume ids %s and %s" %
                                  (self.parameters['src_vol_id'],
                                   self.parameters['dest_vol_id']),
                                  exception=to_native(err))

    def get_account_id(self, account, type):
        """
            Get source and destination account IDs
        """
        try:
            if type == 'src':
                self.parameters[
                    'src_account_id'] = self.elementsw_helper.account_exists(
                        account)
            elif type == 'dest':
                self.parameters[
                    'dest_account_id'] = self.dest_elementsw_helper.account_exists(
                        account)
        except solidfire.common.ApiServerError as err:
            self.module.fail_json(
                msg="Error: either account %s or %s does not exist" %
                (self.parameters['src_account'],
                 self.parameters['dest_account']),
                exception=to_native(err))

    def get_volume_id(self, volume, type):
        """
            Get source and destination volume IDs
        """
        if type == 'src':
            self.parameters[
                'src_vol_id'] = self.elementsw_helper.volume_exists(
                    volume, self.parameters['src_account_id'])
            if self.parameters['src_vol_id'] is None:
                self.module.fail_json(
                    msg="Error: source volume %s does not exist" %
                    (self.parameters['src_volume']))
        elif type == 'dest':
            self.parameters[
                'dest_vol_id'] = self.dest_elementsw_helper.volume_exists(
                    volume, self.parameters['dest_account_id'])
            if self.parameters['dest_vol_id'] is None:
                self.module.fail_json(
                    msg="Error: destination volume %s does not exist" %
                    (self.parameters['dest_volume']))

    def get_ids(self):
        """
            Get IDs for volumes and accounts
        """
        self.get_account_id(self.parameters['src_account'], 'src')
        self.get_account_id(self.parameters['dest_account'], 'dest')
        self.get_volume_id(self.parameters['src_volume'], 'src')
        self.get_volume_id(self.parameters['dest_volume'], 'dest')

    def apply(self):
        """
            Call create / delete volume pair methods
        """
        self.get_ids()
        paired = self.pairing_exists(self.parameters['src_vol_id'],
                                     self.parameters['dest_vol_id'])
        # calling helper to determine action
        cd_action = self.na_helper.get_cd_action(paired, self.parameters)
        if cd_action == "create":
            self.pair_volumes()
        elif cd_action == "delete":
            self.unpair_volumes()
        self.module.exit_json(changed=self.na_helper.changed)
class ElementSWSnapShotSchedule(object):
    """
    Contains methods to parse arguments,
    derive details of ElementSW objects
    and send requests to ElementSW via
    the ElementSW SDK
    """
    def __init__(self):
        """
        Parse arguments, setup state variables,
        check paramenters and ensure SDK is installed
        """
        self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
        self.argument_spec.update(
            dict(
                state=dict(required=False,
                           type='str',
                           choices=['present', 'absent'],
                           default='present'),
                name=dict(required=True, type='str'),
                schedule_type=dict(required=False,
                                   choices=[
                                       'DaysOfWeekFrequency',
                                       'DaysOfMonthFrequency',
                                       'TimeIntervalFrequency'
                                   ]),
                time_interval_days=dict(required=False, type='int'),
                time_interval_hours=dict(required=False, type='int'),
                time_interval_minutes=dict(required=False, type='int'),
                days_of_week_weekdays=dict(required=False,
                                           type='list',
                                           elements='str'),
                days_of_week_hours=dict(required=False, type='int'),
                days_of_week_minutes=dict(required=False, type='int'),
                days_of_month_monthdays=dict(required=False,
                                             type='list',
                                             elements='int'),
                days_of_month_hours=dict(required=False, type='int'),
                days_of_month_minutes=dict(required=False, type='int'),
                paused=dict(required=False, type='bool'),
                recurring=dict(required=False, type='bool'),
                starting_date=dict(required=False, type='str'),
                snapshot_name=dict(required=False, type='str'),
                volumes=dict(required=False, type='list', elements='str'),
                account_id=dict(required=False, type='str'),
                retention=dict(required=False, type='str'),
            ))

        self.module = AnsibleModule(
            argument_spec=self.argument_spec,
            required_if=[('state', 'present',
                          ['account_id', 'volumes', 'schedule_type']),
                         ('schedule_type', 'DaysOfMonthFrequency',
                          ['days_of_month_monthdays']),
                         ('schedule_type', 'DaysOfWeekFrequency',
                          ['days_of_week_weekdays'])],
            supports_check_mode=True)

        param = self.module.params

        # set up state variables
        self.state = param['state']
        self.name = param['name']
        self.schedule_type = param['schedule_type']
        self.days_of_week_weekdays = param['days_of_week_weekdays']
        self.days_of_week_hours = param['days_of_week_hours']
        self.days_of_week_minutes = param['days_of_week_minutes']
        self.days_of_month_monthdays = param['days_of_month_monthdays']
        self.days_of_month_hours = param['days_of_month_hours']
        self.days_of_month_minutes = param['days_of_month_minutes']
        self.time_interval_days = param['time_interval_days']
        self.time_interval_hours = param['time_interval_hours']
        self.time_interval_minutes = param['time_interval_minutes']
        self.paused = param['paused']
        self.recurring = param['recurring']
        if self.schedule_type == 'DaysOfWeekFrequency':
            # Create self.weekday list if self.schedule_type is days_of_week
            if self.days_of_week_weekdays is not None:
                # Create self.weekday list if self.schedule_type is days_of_week
                self.weekdays = []
                for day in self.days_of_week_weekdays:
                    if str(day).isdigit():
                        # If id specified, return appropriate day
                        self.weekdays.append(Weekday.from_id(int(day)))
                    else:
                        # If name specified, return appropriate day
                        self.weekdays.append(
                            Weekday.from_name(day.capitalize()))

        if self.state == 'present' and self.schedule_type is None:
            # Mandate schedule_type for create operation
            self.module.fail_json(
                msg="Please provide required parameter: schedule_type")

        # Mandate schedule name for delete operation
        if self.state == 'absent' and self.name is None:
            self.module.fail_json(
                msg="Please provide required parameter: name")

        self.starting_date = param['starting_date']
        self.snapshot_name = param['snapshot_name']
        self.volumes = param['volumes']
        self.account_id = param['account_id']
        self.retention = param['retention']
        self.create_schedule_result = None

        if HAS_SF_SDK is False:
            # Create ElementSW connection
            self.module.fail_json(
                msg="Unable to import the ElementSW Python SDK")
        else:
            self.sfe = netapp_utils.create_sf_connection(module=self.module)
            self.elementsw_helper = NaElementSWModule(self.sfe)

    def get_schedule(self):
        # Checking whether schedule id is exist or not
        # Return schedule details if found, None otherwise
        # If exist set variable self.name
        try:
            schedule_list = self.sfe.list_schedules()
        except ApiServerError:
            return None

        for schedule in schedule_list.schedules:
            if schedule.to_be_deleted:
                # skip this schedule if it is being deleted, it can as well not exist
                continue
            if str(schedule.schedule_id) == self.name:
                self.name = schedule.name
                return schedule
            elif schedule.name == self.name:
                return schedule
        return None

    def get_account_id(self):
        # Validate account id
        # Return account_id if found, None otherwise
        try:
            account_id = self.elementsw_helper.account_exists(self.account_id)
            return account_id
        except ApiServerError:
            return None

    def get_volume_id(self):
        # Validate volume_ids
        # Return volume ids if found, fail if not found
        volume_ids = []
        for volume in self.volumes:
            volume_id = self.elementsw_helper.volume_exists(
                volume.strip(), self.account_id)
            if volume_id:
                volume_ids.append(volume_id)
            else:
                self.module.fail_json(
                    msg='Specified volume %s does not exist' % volume)
        return volume_ids

    def get_frequency(self):
        # Configuring frequency depends on self.schedule_type
        frequency = None
        if self.schedule_type is not None and self.schedule_type == 'DaysOfWeekFrequency':
            if self.weekdays is not None:
                params = dict(weekdays=self.weekdays)
                if self.days_of_week_hours is not None:
                    params['hours'] = self.days_of_week_hours
                if self.days_of_week_minutes is not None:
                    params['minutes'] = self.days_of_week_minutes
                frequency = DaysOfWeekFrequency(**params)
        elif self.schedule_type is not None and self.schedule_type == 'DaysOfMonthFrequency':
            if self.days_of_month_monthdays is not None:
                params = dict(monthdays=self.days_of_month_monthdays)
                if self.days_of_month_hours is not None:
                    params['hours'] = self.days_of_month_hours
                if self.days_of_month_minutes is not None:
                    params['minutes'] = self.days_of_month_minutes
                frequency = DaysOfMonthFrequency(**params)
        elif self.schedule_type is not None and self.schedule_type == 'TimeIntervalFrequency':
            params = dict()
            if self.time_interval_days is not None:
                params['days'] = self.time_interval_days
            if self.time_interval_hours is not None:
                params['hours'] = self.time_interval_hours
            if self.time_interval_minutes is not None:
                params['minutes'] = self.time_interval_minutes
            if not params or sum(params.values()) == 0:
                self.module.fail_json(
                    msg=
                    'Specify at least one non zero value with TimeIntervalFrequency.'
                )
            frequency = netapp_utils.TimeIntervalFrequency(**params)
        return frequency

    def is_same_schedule_type(self, schedule_detail):
        # To check schedule type is same or not
        if str(schedule_detail.frequency).split('(')[0] == self.schedule_type:
            return True
        else:
            return False

    def create_schedule(self):
        # Create schedule
        try:
            frequency = self.get_frequency()
            if frequency is None:
                self.module.fail_json(
                    msg=
                    'Failed to create schedule frequency object - type %s parameters'
                    % self.schedule_type)

            # Create schedule
            name = self.name
            schedule_info = netapp_utils.ScheduleInfo(
                volume_ids=self.volumes,
                snapshot_name=self.snapshot_name,
                retention=self.retention)

            sched = netapp_utils.Schedule(schedule_info, name, frequency)
            sched.paused = self.paused
            sched.recurring = self.recurring
            sched.starting_date = self.starting_date

            self.create_schedule_result = self.sfe.create_schedule(sched)

        except Exception as e:
            self.module.fail_json(msg='Error creating schedule %s: %s' %
                                  (self.name, to_native(e)),
                                  exception=traceback.format_exc())

    def delete_schedule(self, schedule_id):
        # delete schedule
        try:
            get_schedule_result = self.sfe.get_schedule(
                schedule_id=schedule_id)
            sched = get_schedule_result.schedule
            sched.to_be_deleted = True
            self.sfe.modify_schedule(schedule=sched)

        except Exception as e:
            self.module.fail_json(msg='Error deleting schedule %s: %s' %
                                  (self.name, to_native(e)),
                                  exception=traceback.format_exc())

    def update_schedule(self, schedule_id):
        # Update schedule
        try:
            get_schedule_result = self.sfe.get_schedule(
                schedule_id=schedule_id)
            sched = get_schedule_result.schedule
            # Update schedule properties
            sched.frequency = self.get_frequency()
            if sched.frequency is None:
                self.module.fail_json(
                    msg=
                    'Failed to create schedule frequency object - type %s parameters'
                    % self.schedule_type)

            if self.volumes is not None and len(self.volumes) > 0:
                sched.schedule_info.volume_ids = self.volumes
            if self.retention is not None:
                sched.schedule_info.retention = self.retention
            if self.snapshot_name is not None:
                sched.schedule_info.snapshot_name = self.snapshot_name
            if self.paused is not None:
                sched.paused = self.paused
            if self.recurring is not None:
                sched.recurring = self.recurring
            if self.starting_date is not None:
                sched.starting_date = self.starting_date

            # Make API call
            self.sfe.modify_schedule(schedule=sched)

        except Exception as e:
            self.module.fail_json(msg='Error updating schedule %s: %s' %
                                  (self.name, to_native(e)),
                                  exception=traceback.format_exc())

    def apply(self):
        # Perform pre-checks, call functions and exit

        changed = False
        update_schedule = False

        if self.account_id is not None:
            self.account_id = self.get_account_id()

        if self.state == 'present' and self.volumes is not None:
            if self.account_id:
                self.volumes = self.get_volume_id()
            else:
                self.module.fail_json(
                    msg='Specified account id does not exist')

        # Getting the schedule details
        schedule_detail = self.get_schedule()

        if schedule_detail is None and self.state == 'present':
            if len(self.volumes) > 0:
                changed = True
            else:
                self.module.fail_json(msg='Specified volumes not on cluster')
        elif schedule_detail is not None:
            # Getting the schedule id
            if self.state == 'absent':
                changed = True
            else:
                # Check if we need to update the snapshot schedule
                if self.retention is not None and schedule_detail.schedule_info.retention != self.retention:
                    update_schedule = True
                    changed = True
                elif self.snapshot_name is not None and schedule_detail.schedule_info.snapshot_name != self.snapshot_name:
                    update_schedule = True
                    changed = True
                elif self.paused is not None and schedule_detail.paused != self.paused:
                    update_schedule = True
                    changed = True
                elif self.recurring is not None and schedule_detail.recurring != self.recurring:
                    update_schedule = True
                    changed = True
                elif self.starting_date is not None and schedule_detail.starting_date != self.starting_date:
                    update_schedule = True
                    changed = True
                elif self.volumes is not None and len(self.volumes) > 0:
                    for volumeID in schedule_detail.schedule_info.volume_ids:
                        if volumeID not in self.volumes:
                            update_schedule = True
                            changed = True

                temp_frequency = self.get_frequency()
                if temp_frequency is not None:
                    # Checking schedule_type changes
                    if self.is_same_schedule_type(schedule_detail):
                        # If same schedule type
                        if self.schedule_type == "TimeIntervalFrequency":
                            # Check if there is any change in schedule.frequency, If schedule_type is time_interval
                            if schedule_detail.frequency.days != temp_frequency.days or \
                                    schedule_detail.frequency.hours != temp_frequency.hours or \
                                    schedule_detail.frequency.minutes != temp_frequency.minutes:
                                update_schedule = True
                                changed = True
                        elif self.schedule_type == "DaysOfMonthFrequency":
                            # Check if there is any change in schedule.frequency, If schedule_type is days_of_month
                            if len(schedule_detail.frequency.monthdays) != len(temp_frequency.monthdays) or \
                                    schedule_detail.frequency.hours != temp_frequency.hours or \
                                    schedule_detail.frequency.minutes != temp_frequency.minutes:
                                update_schedule = True
                                changed = True
                            elif len(schedule_detail.frequency.monthdays
                                     ) == len(temp_frequency.monthdays):
                                actual_frequency_monthday = schedule_detail.frequency.monthdays
                                temp_frequency_monthday = temp_frequency.monthdays
                                for monthday in actual_frequency_monthday:
                                    if monthday not in temp_frequency_monthday:
                                        update_schedule = True
                                        changed = True
                        elif self.schedule_type == "DaysOfWeekFrequency":
                            # Check if there is any change in schedule.frequency, If schedule_type is days_of_week
                            if len(schedule_detail.frequency.weekdays) != len(temp_frequency.weekdays) or \
                                    schedule_detail.frequency.hours != temp_frequency.hours or \
                                    schedule_detail.frequency.minutes != temp_frequency.minutes:
                                update_schedule = True
                                changed = True
                            elif len(
                                    schedule_detail.frequency.weekdays) == len(
                                        temp_frequency.weekdays):
                                actual_frequency_weekdays = schedule_detail.frequency.weekdays
                                temp_frequency_weekdays = temp_frequency.weekdays
                                if len([
                                        actual_weekday
                                        for actual_weekday, temp_weekday in
                                        zip(actual_frequency_weekdays,
                                            temp_frequency_weekdays)
                                        if actual_weekday != temp_weekday
                                ]) != 0:
                                    update_schedule = True
                                    changed = True
                    else:
                        update_schedule = True
                        changed = True
                else:
                    self.module.fail_json(
                        msg=
                        'Failed to create schedule frequency object - type %s parameters'
                        % self.schedule_type)

        result_message = " "
        if changed:
            if self.module.check_mode:
                # Skip changes
                result_message = "Check mode, skipping changes"
            else:
                if self.state == 'present':
                    if update_schedule:
                        self.update_schedule(schedule_detail.schedule_id)
                        result_message = "Snapshot Schedule modified"
                    else:
                        self.create_schedule()
                        result_message = "Snapshot Schedule created"
                elif self.state == 'absent':
                    self.delete_schedule(schedule_detail.schedule_id)
                    result_message = "Snapshot Schedule deleted"

        self.module.exit_json(changed=changed, msg=result_message)
class ElementSWVolume(object):
    """
    Contains methods to parse arguments,
    derive details of  ElementSW objects
    and send requests to ElementOS via
    the ElementSW 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(
            state=dict(required=False, type='str', choices=['present', 'absent'], default='present'),
            name=dict(required=True, type='str'),
            account_id=dict(required=True),
            enable512e=dict(required=False, type='bool', aliases=['enable512emulation']),
            qos=dict(required=False, type='dict', default=None),
            qos_policy_name=dict(required=False, type='str', default=None),
            attributes=dict(required=False, 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(required=False, type='str', default=None,
                        choices=['readOnly', 'readWrite', 'locked', 'replicationTarget']),
        ))

        self.module = AnsibleModule(
            argument_spec=self.argument_spec,
            required_if=[
                ('state', 'present', ['size', 'enable512e'])
            ],
            mutually_exclusive=[
                ('qos', 'qos_policy_name'),
            ],
            supports_check_mode=True
        )

        param = self.module.params

        # set up state variables
        self.state = param['state']
        self.name = param['name']
        self.account_id = param['account_id']
        self.enable512e = param['enable512e']
        self.qos = param['qos']
        self.qos_policy_name = param['qos_policy_name']
        self.attributes = param['attributes']
        self.access = param['access']
        self.size_unit = param['size_unit']
        if param['size'] is not None:
            self.size = param['size'] * self._size_unit_map[self.size_unit]
        else:
            self.size = None

        if HAS_SF_SDK is False:
            self.module.fail_json(msg="Unable to import the ElementSW Python SDK")
        else:
            try:
                self.sfe = netapp_utils.create_sf_connection(module=self.module)
            except solidfire.common.ApiServerError:
                self.module.fail_json(msg="Unable to create the connection")

        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'))
        else:
            self.attributes = self.elementsw_helper.set_element_attributes(source='na_elementsw_volume')

    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)
        except Exception as err:
            self.module.fail_json(msg="Error: account_id %s does not exist" % self.account_id, exception=to_native(err))
        return self.account_id

    def get_qos_policy(self, name):
        """
        Get QOS Policy
        """
        policy, error = self.elementsw_helper.get_qos_policy(name)
        if error is not None:
            self.module.fail_json(msg=error)
        return policy

    def get_volume(self):
        """
            Return volume details if found
        """
        # Get volume details
        volume_id = self.elementsw_helper.volume_exists(self.name, self.account_id)

        if volume_id is not None:
            # Return volume_details
            volume_details = self.elementsw_helper.get_volume(volume_id)
            if volume_details is not None:
                return volume_details
        return None

    def create_volume(self, qos_policy_id):
        """
        Create Volume
        :return: True if created, False if fails
        """
        options = dict(
            name=self.name,
            account_id=self.account_id,
            total_size=self.size,
            enable512e=self.enable512e,
            attributes=self.attributes
        )
        if qos_policy_id is not None:
            options['qos_policy_id'] = qos_policy_id
        if self.qos is not None:
            options['qos'] = self.qos
        try:
            self.sfe.create_volume(**options)
        except Exception as err:
            self.module.fail_json(msg="Error provisioning volume: %s of size: %s" % (self.name, self.size),
                                  exception=to_native(err))

    def delete_volume(self, volume_id):
        """
         Delete and purge the volume using volume id
         :return: Success : True , Failed : False
        """
        try:
            self.sfe.delete_volume(volume_id=volume_id)
            self.sfe.purge_deleted_volume(volume_id=volume_id)
            # Delete method will delete and also purge the volume instead of moving the volume state to inactive.

        except Exception as err:
            # Throwing the exact error message instead of generic error message
            self.module.fail_json(msg='Error deleting volume: %s, %s' % (str(volume_id), to_native(err)),
                                  exception=to_native(err))

    def update_volume(self, volume_id, qos_policy_id):
        """
        Update the volume with the specified param
        :return: Success : True, Failed : False
        """
        options = dict(
            attributes=self.attributes
        )
        if self.access is not None:
            options['access'] = self.access
        if self.account_id is not None:
            options['account_id'] = self.account_id
        if self.qos is not None:
            options['qos'] = self.qos
        if qos_policy_id is not None:
            options['qos_policy_id'] = qos_policy_id
        if self.size is not None:
            options['total_size'] = self.size
        try:
            self.sfe.modify_volume(volume_id, **options)
        except Exception as err:
            # Throwing the exact error message instead of generic error message
            self.module.fail_json(msg='Error updating volume: %s, %s' % (str(volume_id), to_native(err)),
                                  exception=to_native(err))

    def apply(self):
        # Perform pre-checks, call functions and exit
        changed = False
        qos_policy_id = None
        action = None

        self.get_account_id()
        volume_detail = self.get_volume()

        if self.state == 'present' and self.qos_policy_name is not None:
            policy = self.get_qos_policy(self.qos_policy_name)
            if policy is None:
                error = 'Cannot find qos policy with name/id: %s' % self.qos_policy_name
                self.module.fail_json(msg=error)
            qos_policy_id = policy['qos_policy_id']

        if volume_detail:
            volume_id = volume_detail.volume_id
            if self.state == 'absent':
                action = 'delete'

            elif self.state == 'present':
                # Checking all the params for update operation
                if self.access is not None and volume_detail.access != self.access:
                    action = 'update'

                if self.account_id is not None and volume_detail.account_id != self.account_id:
                    action = 'update'

                if qos_policy_id is not None and volume_detail.qos_policy_id != qos_policy_id:
                    # volume_detail.qos_policy_id may be None if no policy is associated with the volume
                    action = 'update'

                if self.qos is not None and volume_detail.qos_policy_id is not None:
                    # remove qos_policy
                    action = 'update'

                if self.qos is not None:
                    # Actual volume_detail.qos has ['burst_iops', 'burst_time', 'curve', 'max_iops', 'min_iops'] keys.
                    # As only minOPS, maxOPS, burstOPS is important to consider, checking only these values.
                    volume_qos = vars(volume_detail.qos)
                    if volume_qos['min_iops'] != self.qos['minIOPS'] or volume_qos['max_iops'] != self.qos['maxIOPS'] \
                       or volume_qos['burst_iops'] != self.qos['burstIOPS']:
                        action = 'update'

                if self.size is not None and volume_detail.total_size is not None and volume_detail.total_size != self.size:
                    size_difference = abs(float(volume_detail.total_size - self.size))
                    # Change size only if difference is bigger than 0.001
                    if size_difference / self.size > 0.001:
                        action = 'update'

                if self.attributes is not None and volume_detail.attributes != self.attributes:
                    action = 'update'

        elif self.state == 'present':
            action = 'create'

        result_message = ""

        if action is not None:
            changed = True
            if self.module.check_mode:
                result_message = "Check mode, skipping changes"
            else:
                if action == 'create':
                    self.create_volume(qos_policy_id)
                    result_message = "Volume created"
                elif action == 'update':
                    self.update_volume(volume_id, qos_policy_id)
                    result_message = "Volume updated"
                elif action == 'delete':
                    self.delete_volume(volume_id)
                    result_message = "Volume deleted"

        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
        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)