def get_ids(kind, pop_url, pop_id):
"""
Return list of IDs for a given kind
:param kind: Kind of the resources ids required
:param pop_url: url of the PoP DB
:param pop_id: PoP ID
:return list: list of IDs
"""
results = list()
if kind == 'switch':
for existing_uuid in odl_glue.get_switches_ids(pop_url, pop_id):
results.append(existing_uuid)
elif kind == 'switch-interface':
for existing_uuid in odl_glue.get_switch_interfaces(pop_url, pop_id):
results.append(existing_uuid)
elif kind == 'pop':
for existing_uuid in epa_glue.get_pop_ids(pop_url):
results.append(existing_uuid)
else:
for existing_uuid in epa_glue.get_resource_openstack_ids(pop_url, pop_id, kind, []):
results.append(existing_uuid)
return results
def get_resource_entities(pop_url, pop_id, openstack_types, query):
"""
Retrieve a list of entities and their links
for a given list of types
:param pop_url: Url of PoP DB
:param pop_id: PoP ID
:param openstack_types: list of type
:param query: optional query parameters
:return dict: keys resources' uuids, values resources' properties
"""
results = {}
for resource_type in openstack_types:
# For switches call Opendaylight
if resource_type == 'switch':
for uuid in odl_glue.get_switches_ids(pop_url, pop_id):
entity = EPARegistry.get_occi_resource(resource_type, uuid)
results[uuid] = entity
# For switches' interfaces call Opendaylight
elif resource_type == 'switch-interface':
for uuid in odl_glue.get_switch_interfaces(pop_url, pop_id):
entity = EPARegistry.get_occi_resource(resource_type, uuid)
results[uuid] = entity
# For all others resources query EPA DB
else:
for uuid in epa_glue.get_resource_openstack_ids(pop_url, pop_id, resource_type, query):
entity = EPARegistry.get_occi_resource(resource_type, uuid)
results[uuid] = entity
# Retrieve links for the resources that should be returned
links = {}
for source_uuid in results:
if results[source_uuid].kind.term == 'switch':
for target_uuid in odl_glue.get_switch_interfaces_by_switch_id(pop_url, pop_id, source_uuid):
target_type = 'switch-interface'
link_uuid = source_uuid + '->' + target_uuid
source_entity = results[source_uuid]
kind = source_entity.kind.term + '_link'
target_entity = EPARegistry.get_occi_resource(target_type, target_uuid)
links[link_uuid] = EPARegistry.get_occi_link(kind, link_uuid, source_entity, target_entity)
elif results[source_uuid].kind.term == 'switch-interface':
switch_uuid = odl_glue.get_switch_by_interface(pop_url, pop_id, source_uuid)
if switch_uuid:
switch_type = 'switch'
source_entity = results[source_uuid]
kind = source_entity.kind.term + '_link'
switch_entity = EPARegistry.get_occi_resource(switch_type, switch_uuid)
switch_link_uuid = uuid + '->' + switch_uuid
links[switch_link_uuid] = EPARegistry.get_occi_link(kind, switch_link_uuid,
results[source_uuid], switch_entity)
osdev_uuid = odl_glue.get_os_dev_by_switch_interface(pop_url, pop_id, source_uuid)
if osdev_uuid:
osdev_type = 'osdev'
osdev_entity = EPARegistry.get_occi_resource(osdev_type, osdev_uuid)
osdev_link_uuid = uuid + '->' + osdev_uuid
links[osdev_link_uuid] = EPARegistry.get_occi_link(kind, osdev_link_uuid,
results[source_uuid], osdev_entity)
elif results[source_uuid].kind.term == 'osdev':
mac = epa_glue.get_mac_by_osdev_uuid(pop_url, pop_id, source_uuid)
if mac:
switch_interface = odl_glue.get_switch_interface_by_mac(pop_url, pop_id, mac)
if switch_interface:
target_uuid = switch_interface
target_type = 'switch-interface'
link_uuid = source_uuid + '->' + target_uuid
source_entity = results[source_uuid]
kind = source_entity.kind.term + '_link'
target_entity = EPARegistry.get_occi_resource(target_type, target_uuid)
links[link_uuid] = EPARegistry.get_occi_link(kind, link_uuid, source_entity, target_entity)
else:
for target_link in epa_glue.get_links_target_uuid(pop_url, pop_id, source_uuid):
target_uuid = target_link[0]
target_type = target_link[1]
link_uuid = source_uuid + '->' + target_uuid
source_entity = results[source_uuid]
kind = source_entity.kind.term + '_link'
target_entity = EPARegistry.get_occi_resource(target_type, target_uuid)
links[link_uuid] = EPARegistry.get_occi_link(kind, link_uuid, source_entity, target_entity)
results.update(links)
EPARegistry.add_pop_id_to_resources(results, pop_id)
return results.values()
