def create_tap_flow(self, context, tap_flow):
LOG.debug("create_tap_flow() called")
t_f = tap_flow['tap_flow']
tenant_id = t_f['tenant_id']
# Check if the tenant id of the source port is the same as the
# tenant_id of the tap service we are attaching it to.
ts = self.get_tap_service(context, t_f['tap_service_id'])
ts_tenant_id = ts['tenant_id']
if tenant_id != ts_tenant_id:
raise taas_ex.TapServiceNotBelongToTenant()
# create tap flow in the db model
with context.session.begin(subtransactions=True):
tf = super(TaasPlugin, self).create_tap_flow(context, tap_flow)
driver_context = sd_context.TapFlowContext(self, context, tf)
self.driver.create_tap_flow_precommit(driver_context)
try:
self.driver.create_tap_flow_postcommit(driver_context)
except Exception:
with excutils.save_and_reraise_exception():
LOG.error("Failed to create tap flow on driver,"
"deleting tap_flow %s", tf['id'])
super(TaasPlugin, self).delete_tap_flow(context, tf['id'])
return tf
def delete_tap_flow(self, context, id):
LOG.debug("delete_tap_flow() called")
with context.session.begin(subtransactions=True):
tf = self.get_tap_flow(context, id)
driver_context = sd_context.TapFlowContext(self, context, tf)
super(TaasPlugin, self).delete_tap_flow(context, id)
self.driver.delete_tap_flow_precommit(driver_context)
try:
self.driver.delete_tap_flow_postcommit(driver_context)
except Exception:
with excutils.save_and_reraise_exception():
with excutils.save_and_reraise_exception():
LOG.error("Failed to delete tap flow on driver. "
"tap_flow: %s", id)
def sync_tap_resources(self, context, sync_tap_res, host):
"""Handle Rpc from Agent to sync up Tap resources."""
LOG.debug("In RPC Call for Sync Tap Resources: MSG=%s" % sync_tap_res)
# Get list of configured tap-services
active_tss = self.plugin.get_tap_services(
context,
filters={'status': [constants.ACTIVE]})
for ts in active_tss:
# If tap-service port is bound to a different host than the one
# which sent this RPC, then continue.
ts_port = self.plugin._get_port_details(
context, ts['port_id'])
if ts_port['binding:host_id'] != host:
continue
driver_context = sd_context.TapServiceContext(self.plugin,
context, ts)
try:
self.rpc_driver.create_tap_service_postcommit(driver_context)
except Exception:
with excutils.save_and_reraise_exception():
LOG.error("Failed to create tap service on driver,"
"deleting tap_service %s", ts['id'])
super(TaasPlugin, self.plugin).delete_tap_service(
context, ts['id'])
# Get all the active tap flows for current tap-service
active_tfs = self.plugin.get_tap_flows(
context,
filters={'tap_service_id': [ts['id']],
'status': [constants.ACTIVE]})
# Filter out the tap flows associated with distinct tap services
for tf in active_tfs:
driver_context = sd_context.TapFlowContext(self.plugin,
context, tf)
try:
self.rpc_driver.create_tap_flow_postcommit(driver_context)
except Exception:
with excutils.save_and_reraise_exception():
LOG.error("Failed to create tap flow on driver,"
"deleting tap_flow %s", tf['id'])
super(TaasPlugin, self.plugin).delete_tap_flow(
context, tf['id'])