def delete_port_precommit(self, context):
"""Delete information about a VM and host from the DB."""
port = context.current
pretty_log("delete_port_precommit:", port)
port_id = port['id']
host_id = context.host
with self.eos_sync_lock:
if db_lib.is_port_provisioned(port_id):
db_lib.forget_port(port_id, host_id)
def delete_port_precommit(self, context):
"""Delete information about a VM and host from the DB."""
port = context.current
pretty_log("delete_port_precommit:", port)
port_id = port['id']
host_id = context.host
with self.eos_sync_lock:
if db_lib.is_port_provisioned(port_id):
db_lib.forget_port(port_id, host_id)
def update_port_precommit(self, context):
"""Update the name of a given port.
At the moment we only support port name change.
Any other change to port is not supported at this time.
We do not store the port names, therefore, no DB store
action is performed here.
"""
new_port = context.current
orig_port = context.original
if new_port['name'] != orig_port['name']:
LOG.info(_LI('Port name changed to %s'), new_port['name'])
device_id = new_port['device_id']
host = context.host
pretty_log("update_port_precommit: new", new_port)
pretty_log("update_port_precommit: orig", orig_port)
if new_port['device_owner'] == 'compute:probe':
return
# Check if it is port migration case
if self._handle_port_migration_precommit(context):
return
# Check if the port is part of managed physical network
seg_info = self._bound_segments(context)
if not seg_info:
# Ignoring the update as the port is not managed by
# arista mechanism driver.
return
# device_id and device_owner are set on VM boot
port_id = new_port['id']
network_id = new_port['network_id']
tenant_id = new_port['tenant_id'] or INTERNAL_TENANT_ID
# Ensure that we use tenant Id for the network owner
tenant_id = self._network_owner_tenant(context, network_id, tenant_id)
if not self._network_provisioned(tenant_id, network_id,
seg_info[driver_api.SEGMENTATION_ID],
seg_info[driver_api.ID]):
if not self.rpc.hpb_supported():
LOG.info(
_LI("Ignoring port %(port)s conntected to "
"%(net_id)s"), {
'port': port_id,
'net_id': network_id
})
return
LOG.info(_LI("Adding %s to provisioned network database"),
seg_info)
with self.eos_sync_lock:
db_lib.remember_tenant(tenant_id)
db_lib.remember_network_segment(
tenant_id, network_id,
seg_info[driver_api.SEGMENTATION_ID],
seg_info[driver_api.ID])
with self.eos_sync_lock:
port_down = False
if (new_port['device_owner'] == n_const.DEVICE_OWNER_DVR_INTERFACE
):
# We care about port status only for DVR ports because
# for DVR, a single port exists on multiple hosts. If a port
# is no longer needed on a host then the driver gets a
# port_update notification for that <port, host> with the
# port status as PORT_STATUS_DOWN.
port_down = context.status == n_const.PORT_STATUS_DOWN
if host and not port_down:
port_host_filter = None
if (new_port['device_owner'] ==
n_const.DEVICE_OWNER_DVR_INTERFACE):
# <port, host> uniquely identifies a DVR port. Other
# ports are identified by just the port id
port_host_filter = host
port_provisioned = db_lib.is_port_provisioned(
port_id, port_host_filter)
if not port_provisioned:
LOG.info("Remembering the port")
# Create a new port in the DB
db_lib.remember_tenant(tenant_id)
db_lib.remember_vm(device_id, host, port_id, network_id,
tenant_id)
else:
if (new_port['device_id'] != orig_port['device_id']
or context.host != context.original_host or
new_port['network_id'] != orig_port['network_id']
or
new_port['tenant_id'] != orig_port['tenant_id']):
LOG.info("Updating the port")
# Port exists in the DB. Update it
db_lib.update_port(device_id, host, port_id,
network_id, tenant_id)
else: # Unbound or down port does not concern us
orig_host = context.original_host
LOG.info("Forgetting the port on %s" % str(orig_host))
db_lib.forget_port(port_id, orig_host)
def update_port_precommit(self, context):
"""Update the name of a given port.
At the moment we only support port name change.
Any other change to port is not supported at this time.
We do not store the port names, therefore, no DB store
action is performed here.
"""
new_port = context.current
orig_port = context.original
if new_port['name'] != orig_port['name']:
LOG.info(_LI('Port name changed to %s'), new_port['name'])
new_port = context.current
device_id = new_port['device_id']
host = context.host
pretty_log("update_port_precommit: new", new_port)
pretty_log("update_port_precommit: orig", orig_port)
if new_port['device_owner'] == 'compute:probe':
return
# device_id and device_owner are set on VM boot
port_id = new_port['id']
network_id = new_port['network_id']
tenant_id = new_port['tenant_id'] or INTERNAL_TENANT_ID
# Ensure that we use tenant Id for the network owner
tenant_id = self._network_owner_tenant(context, network_id, tenant_id)
if not self._network_provisioned(tenant_id, network_id):
# If the Arista driver does not know about the network, ignore the
# port.
LOG.info(_LI("Ignoring port connected to %s"), network_id)
return
with self.eos_sync_lock:
port_down = False
if(new_port['device_owner'] ==
n_const.DEVICE_OWNER_DVR_INTERFACE):
# We care about port status only for DVR ports because
# for DVR, a single port exists on multiple hosts. If a port
# is no longer needed on a host then the driver gets a
# port_update notification for that <port, host> with the
# port status as PORT_STATUS_DOWN.
port_down = context.status == n_const.PORT_STATUS_DOWN
if host and not port_down:
port_host_filter = None
if(new_port['device_owner'] ==
n_const.DEVICE_OWNER_DVR_INTERFACE):
# <port, host> uniquely identifies a DVR port. Other
# ports are identified by just the port id
port_host_filter = host
port_provisioned = db_lib.is_port_provisioned(
port_id, port_host_filter)
if not port_provisioned:
LOG.info("Remembering the port")
# Create a new port in the DB
db_lib.remember_tenant(tenant_id)
db_lib.remember_vm(device_id, host, port_id,
network_id, tenant_id)
else:
if(new_port['device_id'] != orig_port['device_id'] or
context.host != context.original_host or
new_port['network_id'] != orig_port['network_id'] or
new_port['tenant_id'] != orig_port['tenant_id']):
LOG.info("Updating the port")
# Port exists in the DB. Update it
db_lib.update_port(device_id, host, port_id,
network_id, tenant_id)
else: # Unbound or down port does not concern us
orig_host = context.original_host
LOG.info("Forgetting the port on %s" % str(orig_host))
db_lib.forget_port(port_id, orig_host)
