Merge pull request #2094 from zhaoqin-github/vlan-9.10.5

[OPENSTACK-2867] Fix creating vlan racing problem (9.10.5)

Author: zhaoqin-github

docs/RELEASE-NOTES.rst

@@ -20,6 +20,9 @@ Bug Fixes
 * [OPENSTACK-2847] Retry 401 when initialize bigip connection
 * [OPENSTACK-2847] Retry 401 when cleanup partition
 * [OPENSTACK-2859] Ignore icontrol 409 by default when creating resource
+* [OPENSTACK-2867] Fix creating route domain racing problem
+* [OPENSTACK-2867] Needn't to detach redirect policy after removing vs
+* [OPENSTACK-2867] Fix creating vlan racing problem
 
 Limitations
 ```````````

f5_openstack_agent/lbaasv2/drivers/bigip/network_helper.py

@@ -308,14 +308,15 @@ def create_route_domain(self, bigip, rd_id, name,
             name += '_aux_' + str(rd_id)
         payload = NetworkHelper.route_domain_defaults
         payload['name'] = name
-        payload['partition'] = '/' + partition
+        payload['partition'] = partition
         payload['id'] = rd_id
 
         if strictness:
             payload['strict'] = 'enabled'
         else:
             payload['parent'] = '/' + const.DEFAULT_PARTITION + '/0'
-        return rd.create(bigip, payload)
+
+        rd.create(bigip, payload)
 
     @log_helpers.log_method_call
     def delete_route_domain(self, bigip, partition=const.DEFAULT_PARTITION,
@@ -440,16 +441,24 @@ def create_vlan(self, bigip, model):
         if not name:
             return None
         v = Vlan()
-        if v.exists(bigip, name=name, partition=partition):
-            obj = v.load(bigip, name=name, partition=partition)
-        else:
-            payload = {'name': name,
-                       'partition': partition,
-                       'tag': tag}
 
-            if description:
-                payload['description'] = description
-            obj = v.create(bigip, payload)
+        payload = {'name': name,
+                   'partition': partition,
+                   'tag': tag}
+
+        if description:
+            payload['description'] = description
+
+        vlan_exists = False
+        try:
+            obj = v.create(bigip, payload, ignore=[])
+        except HTTPError as ex:
+            if ex.response.status_code == 409:
+                vlan_exists = True
+            else:
+                raise
+
+        if not vlan_exists:
             interface = model.get('interface', None)
             if interface:
                 payload = {'name': interface}
@@ -469,7 +478,6 @@ def create_vlan(self, bigip, model):
             if not partition == const.DEFAULT_PARTITION:
                 self.add_vlan_to_domain_by_id(bigip, name, partition,
                                               route_domain_id)
-        return obj
 
     @log_helpers.log_method_call
     def delete_vlan(

f5_openstack_agent/lbaasv2/drivers/bigip/resource.py

@@ -28,8 +28,8 @@ class BigIPResource(object):
     def __init__(self, **kwargs):
         pass
 
-    def create(self, bigip, model):
-        return self.helper.create(bigip, model)
+    def create(self, bigip, model, overwrite=False, ignore=[409]):
+        return self.helper.create(bigip, model, overwrite, ignore)
 
     def exists(self, bigip, name=None, partition=None):
         return self.helper.exists(bigip, name=name, partition=partition)

f5_openstack_agent/lbaasv2/drivers/bigip/resource_manager.py

@@ -1279,13 +1279,14 @@ def _update_redirect_policy(self, bigip, vs, old_listener, listener):
             if old_proto != new_proto or old_port != new_port:
                 self._create_redirect_policy(bigip, vs, listener)
 
-    def _delete_redirect_policy(self, bigip, vs):
+    def _delete_redirect_policy(self, bigip, vs, detach=True):
         policy = LTMPolicyRedirect(
             bigip=bigip,
             partition=vs['partition'],
             vs_name=vs['name']
         )
-        policy.detach_from_vs()
+        if detach:
+            policy.detach_from_vs()
         policy.delete()
 
     def _get_tcp_options(self, ip_version):
@@ -1484,7 +1485,7 @@ def _delete(self, bigip, vs, listener, service):
         self._delete_persist_profile(bigip, vs)
         self._delete_ssl_profiles(bigip, vs, service)
         self._delete_extended_profiles(bigip, listener, vs)
-        self._delete_redirect_policy(bigip, vs)
+        self._delete_redirect_policy(bigip, vs, detach=False)
         ftp_enable = self.ftp_helper.enable_ftp(service)
         if ftp_enable:
             self.ftp_helper.remove_profile(service, vs, bigip)