Support configuring cinder's RPC and WSGI timeouts

New CinderRpcResponseTimeout and CinderApiWsgiTimeout parameters
support configuring cinder's corresponding RPC response and WSGI
connection timeouts. The default values (60s each) match the existing
defaults.

Change-Id: I66b472d37041f67907691f55c153ff880093e4bc
(cherry picked from commit 3af965d6d2)

deployment/cinder/cinder-api-container-puppet.yaml

@@ -80,6 +80,10 @@ parameters:
       e.g. { cinder-context_is_admin: { key: context_is_admin, value: 'role:admin' } }
     default: {}
     type: json
+  CinderApiWsgiTimeout:
+    default: 60
+    description: The number of seconds until a Cinder API WSGI connection times out.
+    type: number
   NotificationDriver:
     type: string
     default: 'noop'
@@ -209,13 +213,18 @@ outputs:
                   "%{hiera('$NETWORK')}"
                 params:
                   $NETWORK: {get_param: [ServiceNetMap, CinderApiNetwork]}
-          -
             cinder::wsgi::apache::servername:
               str_replace:
                 template:
                   "%{hiera('fqdn_$NETWORK')}"
                 params:
                   $NETWORK: {get_param: [ServiceNetMap, CinderApiNetwork]}
+            cinder::wsgi::apache::vhost_custom_fragment:
+              str_replace:
+                template:
+                  "Timeout TIMEOUT"
+                params:
+                  TIMEOUT: {get_param: CinderApiWsgiTimeout}
           -
             if:
             - cinder_workers_zero

deployment/cinder/cinder-base.yaml

@@ -102,6 +102,10 @@ parameters:
     description: >
         Cron to purge db entries marked as deleted and older than $age - Max Delay
     default: '3600'
+  CinderRpcResponseTimeout:
+    default: 60
+    description: Cinder's RPC response timeout, in seconds.
+    type: number
   NovaPassword:
     type: string
     description: The password for the nova service and db account
@@ -144,6 +148,7 @@ outputs:
           - {get_param: CinderDebug }
         cinder::storage_availability_zone: {get_param: CinderStorageAvailabilityZone}
         cinder::rabbit_heartbeat_timeout_threshold: 60
+        cinder::rpc_response_timeout: {get_param: CinderRpcResponseTimeout}
         cinder::db::database_db_max_retries: -1
         cinder::db::database_max_retries: -1
         cinder::cron::db_purge::minute: {get_param: CinderCronDbPurgeMinute}

releasenotes/notes/cinder-add-timeout-parameters-54550a6e1c11c0b9.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    New ``CinderRpcResponseTimeout`` and ``CinderApiWsgiTimeout`` parameters
+    provide a means for configuring Cinder's RPC response and WSGI connection
+    timeouts, respectively.