def test_derive_base_npiv_map(self):
vios_w = pvm_vios.VIOS.wrap(tju.load_file(VIOS_FILE).entry)
vios_wraps = [vios_w]
# Subset the WWPNs on that VIOS
p_wwpns = ['10000090FA45473B', '10:00:00:90:fa:45:17:58']
# Run the derivation now
resp = vfc_mapper.derive_base_npiv_map(vios_wraps, p_wwpns, 5)
self.assertIsNotNone(resp)
self.assertEqual(5, len(resp))
# Make sure we only get two unique keys back.
unique_keys = set([i[0] for i in resp])
self.assertEqual({'10000090FA45473B', '10000090FA451758'}, unique_keys)
# Make sure we get the 'marker' back for the values. Should now be
# fused.
values = set(i[1] for i in resp)
self.assertEqual({vfc_mapper._FUSED_ANY_WWPN}, values)
def test_derive_base_npiv_map(self):
vios_w = pvm_vios.VIOS.wrap(tju.load_file(VIOS_FILE).entry)
vios_wraps = [vios_w]
# Subset the WWPNs on that VIOS
p_wwpns = ['10000090FA45473B', '10:00:00:90:fa:45:17:58']
# Run the derivation now
resp = vfc_mapper.derive_base_npiv_map(vios_wraps, p_wwpns, 5)
self.assertIsNotNone(resp)
self.assertEqual(5, len(resp))
# Make sure we only get two unique keys back.
unique_keys = set([i[0] for i in resp])
self.assertEqual({'10000090FA45473B', '10000090FA451758'}, unique_keys)
# Make sure we get the 'marker' back for the values. Should now be
# fused.
values = set(i[1] for i in resp)
self.assertEqual({vfc_mapper._FUSED_ANY_WWPN}, values)
def wwpns(self):
"""Builds the WWPNs of the adapters that will connect the ports."""
vios_wraps, mgmt_uuid = None, None
resp_wwpns = []
# If this is a new mapping altogether, the WWPNs need to be logged
# into the fabric so that Cinder can make use of them. This is a bit
# of a catch-22 because the LPAR doesn't exist yet. So a mapping will
# be created against the mgmt partition and then upon VM creation, the
# mapping will be moved over to the VM.
#
# If a mapping already exists, we can instead just pull the data off
# of the system metadata from the nova instance.
for fabric in self._fabric_names():
fc_state = self._get_fabric_state(fabric)
LOG.info(
_LI("NPIV wwpns fabric state=%(st)s for "
"instance %(inst)s") % {
'st': fc_state,
'inst': self.instance.name
})
if self._is_initial_wwpn(fc_state, fabric):
# At this point we've determined that we need to do a mapping.
# So we go and obtain the mgmt uuid and the VIOS wrappers.
# We only do this for the first loop through so as to ensure
# that we do not keep invoking these expensive calls
# unnecessarily.
if mgmt_uuid is None:
mgmt_uuid = mgmt.get_mgmt_partition(self.adapter).uuid
# The VIOS wrappers are also not set at this point. Seed
# them as well. Will get reused on subsequent loops.
vios_wraps = self.stg_ftsk.feed
# Derive the virtual to physical port mapping
port_maps = pvm_vfcm.derive_base_npiv_map(
vios_wraps, self._fabric_ports(fabric),
self._ports_per_fabric())
# Every loop through, we reverse the vios wrappers. This is
# done so that if Fabric A only has 1 port, it goes on the
# first VIOS. Then Fabric B would put its port on a different
# VIOS. As a form of multi pathing (so that your paths were
# not restricted to a single VIOS).
vios_wraps.reverse()
# Check if the fabrics are unmapped then we need to map it
# temporarily with the management partition.
LOG.info(
_LI("Adding NPIV Mapping with mgmt partition for "
"instance %s") % self.instance.name)
port_maps = pvm_vfcm.add_npiv_port_mappings(
self.adapter, self.host_uuid, mgmt_uuid, port_maps)
# Set the fabric meta (which indicates on the instance how
# the fabric is mapped to the physical port) and the fabric
# state.
self._set_fabric_meta(fabric, port_maps)
self._set_fabric_state(fabric, FS_MGMT_MAPPED)
elif self._is_migration_wwpn(fc_state):
port_maps = self._configure_wwpns_for_migration(fabric)
# This won't actually get saved by the process. The save will
# only occur after the 'post migration'. But if there are
# multiple volumes, their WWPNs calls will subsequently see
# the data saved temporarily here.
self._set_fabric_meta(fabric, port_maps)
else:
# This specific fabric had been previously set. Just pull
# from the meta (as it is likely already mapped to the
# instance)
port_maps = self._get_fabric_meta(fabric)
# Port map is set by either conditional, but may be set to None.
# If not None, then add the WWPNs to the response.
if port_maps is not None:
for mapping in port_maps:
# Only add the first WWPN. That is the one that will be
# logged into the fabric.
resp_wwpns.append(mapping[1].split()[0])
# The return object needs to be a list for the volume connector.
return resp_wwpns
def wwpns(self):
"""Builds the WWPNs of the adapters that will connect the ports."""
vios_wraps, mgmt_uuid = None, None
resp_wwpns = []
# If this is a new mapping altogether, the WWPNs need to be logged
# into the fabric so that Cinder can make use of them. This is a bit
# of a catch-22 because the LPAR doesn't exist yet. So a mapping will
# be created against the mgmt partition and then upon VM creation, the
# mapping will be moved over to the VM.
#
# If a mapping already exists, we can instead just pull the data off
# of the system metadata from the nova instance.
for fabric in self._fabric_names():
fc_state = self._get_fabric_state(fabric)
LOG.info(_LI("NPIV wwpns fabric state=%(st)s for "
"instance %(inst)s") %
{'st': fc_state, 'inst': self.instance.name})
if self._is_initial_wwpn(fc_state, fabric):
# At this point we've determined that we need to do a mapping.
# So we go and obtain the mgmt uuid and the VIOS wrappers.
# We only do this for the first loop through so as to ensure
# that we do not keep invoking these expensive calls
# unnecessarily.
if mgmt_uuid is None:
mgmt_uuid = mgmt.get_mgmt_partition(self.adapter).uuid
# The VIOS wrappers are also not set at this point. Seed
# them as well. Will get reused on subsequent loops.
vios_wraps = self.stg_ftsk.feed
# Derive the virtual to physical port mapping
port_maps = pvm_vfcm.derive_base_npiv_map(
vios_wraps, self._fabric_ports(fabric),
self._ports_per_fabric())
# Every loop through, we reverse the vios wrappers. This is
# done so that if Fabric A only has 1 port, it goes on the
# first VIOS. Then Fabric B would put its port on a different
# VIOS. As a form of multi pathing (so that your paths were
# not restricted to a single VIOS).
vios_wraps.reverse()
# Check if the fabrics are unmapped then we need to map it
# temporarily with the management partition.
LOG.info(_LI("Adding NPIV Mapping with mgmt partition for "
"instance %s") % self.instance.name)
port_maps = pvm_vfcm.add_npiv_port_mappings(
self.adapter, self.host_uuid, mgmt_uuid, port_maps)
# Set the fabric meta (which indicates on the instance how
# the fabric is mapped to the physical port) and the fabric
# state.
self._set_fabric_meta(fabric, port_maps)
self._set_fabric_state(fabric, FS_MGMT_MAPPED)
elif self._is_migration_wwpn(fc_state):
port_maps = self._configure_wwpns_for_migration(fabric)
# This won't actually get saved by the process. The save will
# only occur after the 'post migration'. But if there are
# multiple volumes, their WWPNs calls will subsequently see
# the data saved temporarily here.
self._set_fabric_meta(fabric, port_maps)
else:
# This specific fabric had been previously set. Just pull
# from the meta (as it is likely already mapped to the
# instance)
port_maps = self._get_fabric_meta(fabric)
# Port map is set by either conditional, but may be set to None.
# If not None, then add the WWPNs to the response.
if port_maps is not None:
for mapping in port_maps:
# Only add the first WWPN. That is the one that will be
# logged into the fabric.
resp_wwpns.append(mapping[1].split()[0])
# The return object needs to be a list for the volume connector.
return resp_wwpns
