NSX|P Check lb service on listener create/update

Also fallback to the old behavior of service id the same as
the lb id.

Change-Id: I7ab34b32fd59f8d12693b2826f4019843360fe54

vmware_nsx/services/lbaas/nsx_p/implementation/lb_utils.py

@@ -23,6 +23,7 @@ from vmware_nsx.common import locking
 from vmware_nsx.services.lbaas import lb_const
 from vmware_nsx.services.lbaas.nsx_p.implementation import lb_const as p_const
 from vmware_nsx.services.lbaas.nsx_v3.implementation import lb_utils
+from vmware_nsxlib.v3 import exceptions as nsxlib_exc
 from vmware_nsxlib.v3 import load_balancer as nsxlib_lb
 from vmware_nsxlib.v3.policy import constants as p_constants
 from vmware_nsxlib.v3.policy import utils as p_utils
@@ -256,7 +257,7 @@ def setup_session_persistence(nsxpolicy, pool, pool_tags, switch_type,
                    'listener_id': listener['id'],
                    'pool_id': pool['id']})
         if switch_type:
-            # There is aso a persistence profile to remove!
+            # There is also a persistence profile to remove!
             return (pp_id, functools.partial(delete_persistence_profile,
                                              nsxpolicy, profile_path))
 
@@ -276,7 +277,7 @@ def get_router_nsx_lb_service(nsxpolicy, router_id):
         return non_delete_services[0]
 
 
-def get_lb_nsx_lb_service(nsxpolicy, lb_id):
+def get_lb_nsx_lb_service(nsxpolicy, lb_id, try_old=False):
     tags_to_search = [{'scope': SERVICE_LB_TAG_SCOPE, 'tag': lb_id}]
     lb_services = nsxpolicy.search_by_tags(
         tags_to_search,
@@ -287,6 +288,17 @@ def get_lb_nsx_lb_service(nsxpolicy, lb_id):
     if non_delete_services:
         return non_delete_services[0]
 
+    if try_old:
+        # old Lb service might just have the LB id.
+        try:
+            lb_service = nsxpolicy.load_balancer.lb_service.get(lb_id)
+        except nsxlib_exc.ResourceNotFound:
+            LOG.error("Did not find LB %s service by tags or ID", lb_id)
+        else:
+            LOG.warning("Found LB service by Lb ID %s. Tags are not updated "
+                        "properly", lb_id)
+            return lb_service
+
 
 def get_service_lb_name(lb, router_id=None):
     if router_id:

vmware_nsx/services/lbaas/nsx_p/implementation/listener_mgr.py

@@ -80,7 +80,7 @@ class EdgeListenerManagerFromDict(base_mgr.NsxpLoadbalancerBaseManager):
         }
 
     def _get_virtual_server_kwargs(self, context, listener, vs_name, tags,
-                                   certificate=None):
+                                   lb_service_id, certificate=None):
         # If loadbalancer vip_port already has floating ip, use floating
         # IP as the virtual server VIP address. Else, use the loadbalancer
         # vip_address directly on virtual server.
@@ -91,14 +91,12 @@ class EdgeListenerManagerFromDict(base_mgr.NsxpLoadbalancerBaseManager):
             lb_vip_address = floating_ips[0]['floating_ip_address']
         else:
             lb_vip_address = listener['loadbalancer']['vip_address']
-        lb_service = lb_utils.get_lb_nsx_lb_service(
-            self.core_plugin.nsxpolicy, listener['loadbalancer_id'])
 
         kwargs = {'virtual_server_id': listener['id'],
                   'ip_address': lb_vip_address,
                   'ports': [listener['protocol_port']],
                   'application_profile_id': listener['id'],
-                  'lb_service_id': lb_service['id'],
+                  'lb_service_id': lb_service_id,
                   'description': listener.get('description')}
         if vs_name:
             kwargs['name'] = vs_name
@@ -173,12 +171,23 @@ class EdgeListenerManagerFromDict(base_mgr.NsxpLoadbalancerBaseManager):
                                           listener['id'])
         tags = self._get_listener_tags(context, listener)
         self._validate_default_pool(listener, completor)
+
+        lb_service = lb_utils.get_lb_nsx_lb_service(
+            self.core_plugin.nsxpolicy, listener['loadbalancer_id'],
+            try_old=True)
+        if not lb_service:
+            completor(success=False)
+            msg = (_('Cannot find loadbalancer %(lb_id)s service') %
+                   {'lb_id': listener['loadbalancer_id']})
+            raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
+
         try:
             app_client = self._get_nsxlib_app_profile(nsxlib_lb, listener)
             app_client.create_or_overwrite(
                 lb_app_profile_id=listener['id'], name=vs_name, tags=tags)
             kwargs = self._get_virtual_server_kwargs(
-                context, listener, vs_name, tags, certificate)
+                context, listener, vs_name, tags, lb_service['id'],
+                certificate)
             vs_client.create_or_overwrite(**kwargs)
         except nsxlib_exc.ManagerError:
             completor(success=False)
@@ -255,10 +264,20 @@ class EdgeListenerManagerFromDict(base_mgr.NsxpLoadbalancerBaseManager):
                 new_listener['id'])
         tags = self._get_listener_tags(context, new_listener)
 
+        lb_service = lb_utils.get_lb_nsx_lb_service(
+            self.core_plugin.nsxpolicy, new_listener['loadbalancer_id'],
+            try_old=True)
+        if not lb_service:
+            completor(success=False)
+            msg = (_('Cannot find loadbalancer %(lb_id)s service') %
+                   {'lb_id': new_listener['loadbalancer_id']})
+            raise n_exc.BadRequest(resource='lbaas-listener', msg=msg)
+
         try:
             app_profile_id = new_listener['id']
             updated_kwargs = self._get_virtual_server_kwargs(
-                context, new_listener, vs_name, tags, certificate)
+                context, new_listener, vs_name, tags, lb_service['id'],
+                certificate)
             vs_client.update(**updated_kwargs)
             if vs_name:
                 app_client.update(app_profile_id, name=vs_name,

vmware_nsx/services/lbaas/nsx_p/implementation/member_mgr.py

@@ -67,7 +67,7 @@ class EdgeMemberManagerFromDict(base_mgr.NsxpLoadbalancerBaseManager):
         # to the member subnet's router.
         service_client = self.core_plugin.nsxpolicy.load_balancer.lb_service
         service = p_utils.get_lb_nsx_lb_service(
-            self.core_plugin.nsxpolicy, lb['id'])
+            self.core_plugin.nsxpolicy, lb['id'], try_old=True)
         if not service:
             completor(success=False)
             msg = (_('Cannot find loadbalancer %(lb_id)s service') %