The cinder.volume.drivers.dell_emc.unity.utils Module¶

assure_cleanup(*args, **kwds)¶

Assures the resource is cleaned up. Used as a context.

Parameters:	enter_func – the function to execute when entering the context. exit_func – the function to execute when leaving the context. use_enter_return – the flag indicates whether to pass the return value of enter_func in to the exit_func.

build_provider_location(system, lun_type, lun_id, version)¶

Builds provider_location for volume or snapshot.

Parameters:	system – Unity serial number lun_id – LUN ID in Unity lun_type – ‘lun’ version – driver version

byte_to_gib(byte)¶

byte_to_mib(byte)¶

convert_ip_to_portal(ip)¶

convert_to_itor_tgt_map(zone_mapping)¶

Function to process data from lookup service.

Parameters:	zone_mapping – mapping is the data from the zone lookup service with below format { <San name>: { ‘initiator_port_wwn_list’: (‘200000051e55a100’, ‘200000051e55a121’..) ‘target_port_wwn_list’: (‘100000051e55a100’, ‘100000051e55a121’..) } }

create_lookup_service()¶

dump_provider_location(location_dict)¶

extract_fc_uids(connector)¶

extract_iscsi_uids(connector)¶

extract_provider_location(provider_location, key)¶

Extracts value of the specified field from provider_location string.

Parameters:	provider_location – provider_location string key – field name of the value that to be extracted
Returns:	value of the specified field if it exists, otherwise, None is returned

get_backend_qos_specs(volume)¶

get_extra_spec(volume, spec_key)¶

get_pool_name(volume)¶

gib_to_mib(gib)¶

ignore_exception(func, *args, **kwargs)¶

is_before_4_1(ver)¶

match_any(full, patterns)¶

remove_empty(option, value_list)¶

validate_pool_names(conf_pools, array_pools)¶