def test_map_volume_to_single_host_volume_not_mapped(self):
self.mock_object(self.client, "create_volume_mapping", mock.Mock(return_value=eseries_fakes.VOLUME_MAPPING))
host_mapper.map_volume_to_single_host(
self.client, get_fake_volume(), eseries_fakes.VOLUME, eseries_fakes.HOST, None, False
)
self.assertTrue(self.client.create_volume_mapping.called)
def test_map_volume_to_single_host_volume_not_mapped(self):
self.mock_object(self.client, 'create_volume_mapping',
mock.Mock(return_value=eseries_fakes.VOLUME_MAPPING))
host_mapper.map_volume_to_single_host(self.client, get_fake_volume(),
eseries_fakes.VOLUME,
eseries_fakes.HOST, None, False)
self.assertTrue(self.client.create_volume_mapping.called)
def test_map_volume_to_single_host_volume_already_mapped_to_target_host(
self):
"""Should be a no-op"""
self.mock_object(self.client, 'create_volume_mapping', mock.Mock())
host_mapper.map_volume_to_single_host(self.client, get_fake_volume(),
eseries_fakes.VOLUME,
eseries_fakes.HOST,
eseries_fakes.VOLUME_MAPPING)
self.assertFalse(self.client.create_volume_mapping.called)
def test_map_volume_to_single_host_volume_already_mapped_to_target_host(
self):
"""Should be a no-op"""
self.mock_object(self.client, 'create_volume_mapping')
host_mapper.map_volume_to_single_host(self.client,
get_fake_volume(),
eseries_fakes.VOLUME,
eseries_fakes.HOST,
eseries_fakes.VOLUME_MAPPING,
False)
self.assertFalse(self.client.create_volume_mapping.called)
def test_map_volume_to_single_host_volume_mapped_to_multiattach_host_group(self):
"""Should move mapping to target host if volume is not migrating or
attached(in-use). If volume is not in use then it should not require a
mapping making it ok to sever the mapping to the host group.
"""
fake_mapping_to_other_host = copy.deepcopy(eseries_fakes.VOLUME_MAPPING)
fake_mapping_to_other_host["mapRef"] = eseries_fakes.MULTIATTACH_HOST_GROUP["clusterRef"]
self.mock_object(self.client, "move_volume_mapping_via_symbol", mock.Mock(return_value={"lun": 5}))
host_mapper.map_volume_to_single_host(
self.client, get_fake_volume(), eseries_fakes.VOLUME, eseries_fakes.HOST, fake_mapping_to_other_host, False
)
self.assertTrue(self.client.move_volume_mapping_via_symbol.called)
def initialize_connection(self, volume, connector):
"""Allow connection to connector and return connection info."""
initiator_name = connector['initiator']
eseries_vol = self._get_volume(volume['name_id'])
existing_maps = host_mapper.get_host_mapping_for_vol_frm_array(
self._client, eseries_vol)
host = self._get_or_create_host(initiator_name, self.host_type)
# There can only be one or zero mappings on a volume in E-Series
current_map = existing_maps[0] if existing_maps else None
if self.configuration.netapp_enable_multiattach and current_map:
self._ensure_multi_attach_host_group_exists()
mapping = host_mapper.map_volume_to_multiple_hosts(
self._client, volume, eseries_vol, host, current_map)
else:
mapping = host_mapper.map_volume_to_single_host(
self._client, volume, eseries_vol, host, current_map)
lun_id = mapping['lun']
msg = _("Mapped volume %(id)s to the initiator %(initiator_name)s.")
msg_fmt = {'id': volume['id'], 'initiator_name': initiator_name}
LOG.debug(msg % msg_fmt)
iscsi_details = self._get_iscsi_service_details()
iscsi_portal = self._get_iscsi_portal_for_vol(eseries_vol,
iscsi_details)
msg = _("Successfully fetched target details for volume %(id)s and "
"initiator %(initiator_name)s.")
LOG.debug(msg % msg_fmt)
iqn = iscsi_portal['iqn']
address = iscsi_portal['ip']
port = iscsi_portal['tcp_port']
properties = na_utils.get_iscsi_connection_properties(
lun_id, volume, iqn, address, port)
return properties
def test_map_volume_to_single_host_volume_mapped_to_multiattach_host_group(
self):
"""Should move mapping to target host if volume is not migrating or
attached(in-use). If volume is not in use then it should not require a
mapping making it ok to sever the mapping to the host group.
"""
fake_mapping_to_other_host = copy.deepcopy(
eseries_fakes.VOLUME_MAPPING)
fake_mapping_to_other_host['mapRef'] = \
eseries_fakes.MULTIATTACH_HOST_GROUP['clusterRef']
self.mock_object(self.client, 'move_volume_mapping_via_symbol',
mock.Mock(return_value={'lun': 5}))
host_mapper.map_volume_to_single_host(self.client, get_fake_volume(),
eseries_fakes.VOLUME,
eseries_fakes.HOST,
fake_mapping_to_other_host)
self.assertTrue(self.client.move_volume_mapping_via_symbol.called)
def map_volume_to_host(self, volume, eseries_volume, initiators):
"""Ensures the specified initiator has access to the volume."""
existing_maps = self._client.get_volume_mappings_for_volume(eseries_volume)
host = self._get_or_create_host(initiators, self.host_type)
# There can only be one or zero mappings on a volume in E-Series
current_map = existing_maps[0] if existing_maps else None
if self.configuration.netapp_enable_multiattach and current_map:
self._ensure_multi_attach_host_group_exists()
mapping = host_mapper.map_volume_to_multiple_hosts(self._client, volume, eseries_volume, host, current_map)
else:
mapping = host_mapper.map_volume_to_single_host(
self._client, volume, eseries_volume, host, current_map, self.configuration.netapp_enable_multiattach
)
return mapping
def map_volume_to_host(self, volume, eseries_volume, initiators):
"""Ensures the specified initiator has access to the volume."""
existing_maps = self._client.get_volume_mappings_for_volume(
eseries_volume)
host = self._get_or_create_host(initiators, self.host_type)
# There can only be one or zero mappings on a volume in E-Series
current_map = existing_maps[0] if existing_maps else None
if self.configuration.netapp_enable_multiattach and current_map:
self._ensure_multi_attach_host_group_exists()
mapping = host_mapper.map_volume_to_multiple_hosts(
self._client, volume, eseries_volume, host, current_map)
else:
mapping = host_mapper.map_volume_to_single_host(
self._client, volume, eseries_volume, host, current_map,
self.configuration.netapp_enable_multiattach)
return mapping
def initialize_connection(self, volume, connector):
"""Allow connection to connector and return connection info."""
initiator_name = connector['initiator']
eseries_vol = self._get_volume(volume['name_id'])
existing_maps = host_mapper.get_host_mapping_for_vol_frm_array(
self._client, eseries_vol)
host = self._get_or_create_host(initiator_name, self.host_type)
# There can only be one or zero mappings on a volume in E-Series
current_map = existing_maps[0] if existing_maps else None
if self.configuration.netapp_enable_multiattach and current_map:
self._ensure_multi_attach_host_group_exists()
mapping = host_mapper.map_volume_to_multiple_hosts(self._client,
volume,
eseries_vol,
host,
current_map)
else:
mapping = host_mapper.map_volume_to_single_host(self._client,
volume,
eseries_vol,
host,
current_map)
lun_id = mapping['lun']
msg = _("Mapped volume %(id)s to the initiator %(initiator_name)s.")
msg_fmt = {'id': volume['id'], 'initiator_name': initiator_name}
LOG.debug(msg % msg_fmt)
iscsi_details = self._get_iscsi_service_details()
iscsi_portal = self._get_iscsi_portal_for_vol(eseries_vol,
iscsi_details)
msg = _("Successfully fetched target details for volume %(id)s and "
"initiator %(initiator_name)s.")
LOG.debug(msg % msg_fmt)
iqn = iscsi_portal['iqn']
address = iscsi_portal['ip']
port = iscsi_portal['tcp_port']
properties = na_utils.get_iscsi_connection_properties(lun_id, volume,
iqn, address,
port)
return properties
