Merge "Decoupling number of API and RPC workers for neutron-api" into stable/rocky

puppet/services/neutron-api.yaml

@@ -33,7 +33,7 @@ parameters:
   NeutronWorkers:
     default: ''
     description: |
-      Sets the number of API and RPC workers for the Neutron service.
+      Sets the number of API workers for the Neutron service.
       The default value results in the configuration being left unset
       and a system-dependent default will be chosen (usually the number
       of processors). Please note that this can result in a large number
@@ -41,6 +41,15 @@ parameters:
       count. On such systems it is recommended that a non-default value
       be selected that matches the load requirements.
     type: string
+  NeutronRpcWorkers:
+    default: ''
+    description: |
+      Sets the number of RPC workers for the Neutron service.
+      If not specified, it'll take the value of NeutronWorkers and if this is
+      not specified either, the default value results in the configuration
+      being left unset and a system-dependent default will be chosen
+      (usually 1).
+    type: string
   NeutronPassword:
     description: The password for the neutron service and db account, used by neutron agents.
     type: string
@@ -112,6 +121,7 @@ parameter_groups:
 conditions:
   use_tls_proxy: {equals : [{get_param: EnableInternalTLS}, true]}
   neutron_workers_unset: {equals : [{get_param: NeutronWorkers}, '']}
+  neutron_rpc_workers_unset: {equals : [{get_param: NeutronRpcWorkers}, '']}
   neutron_ovs_int_br_unset: {equals : [{get_param: NeutronOvsIntegrationBridge}, '']}
 
 resources:
@@ -217,7 +227,15 @@ outputs:
             - neutron_workers_unset
             - {}
             - neutron::server::api_workers: {get_param: NeutronWorkers}
-              neutron::server::rpc_workers: {get_param: NeutronWorkers}
+          -
+            if:
+            - neutron_rpc_workers_unset
+            -
+              if:
+              - neutron_workers_unset
+              - {}
+              - neutron::server::rpc_workers: {get_param: NeutronWorkers}
+            - neutron::server::rpc_workers: {get_param: NeutronRpcWorkers}
           -
             if:
             - neutron_ovs_int_br_unset

releasenotes/notes/decoupling_api_rpc_workers_neutron_api-eb5820d6bcedb53b.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Now it's possible to define the number of API and RPC workers separately
+    for neutron-api service. This is good for certain network backends such
+    as OVN that don't require RPC communication.