Run Zaqar with httpd in puppet service

This switches Zaqar to run with httpd when configured by puppet.

Change-Id: I69b923dd76a60e9ec786cae886c137ba572ec906

puppet/services/zaqar.yaml

@@ -36,7 +36,26 @@ parameters:
       e.g. { zaqar-context_is_admin: { key: context_is_admin, value: 'role:admin' } }
     default: {}
     type: json
+  ZaqarWorkers:
+    type: string
+    description: Set the number of workers for zaqar::wsgi::apache
+    default: '%{::os_workers}'
+  EnableInternalTLS:
+    type: boolean
+    default: false
 
+conditions:
+  zaqar_workers_zero: {equals : [{get_param: ZaqarWorkers}, 0]}
+
+resources:
+
+  ApacheServiceBase:
+    type: ./apache.yaml
+    properties:
+      ServiceNetMap: {get_param: ServiceNetMap}
+      DefaultPasswords: {get_param: DefaultPasswords}
+      EndpointMap: {get_param: EndpointMap}
+      EnableInternalTLS: {get_param: EnableInternalTLS}
 
 outputs:
   role_data:
@@ -44,16 +63,30 @@ outputs:
     value:
       service_name: zaqar
       config_settings:
-        zaqar::policy::policies: {get_param: ZaqarPolicies}
+        map_merge:
+          - get_attr: [ApacheServiceBase, role_data, config_settings]
+          - zaqar::policy::policies: {get_param: ZaqarPolicies}
             zaqar::keystone::authtoken::password: {get_param: ZaqarPassword}
             zaqar::keystone::authtoken::project_name: 'service'
             zaqar::keystone::authtoken::auth_url: {get_param: [EndpointMap, KeystoneInternal, uri_no_suffix]}
             zaqar::keystone::authtoken::auth_uri: {get_param: [EndpointMap, KeystoneInternal, uri]}
             zaqar::debug: {get_param: Debug}
             zaqar::transport::websocket::bind: {get_param: [EndpointMap, ZaqarInternal, host]}
-        zaqar::transport::wsgi::bind: {get_param: [ServiceNetMap, ZaqarApiNetwork]}
+            zaqar::wsgi::apache::ssl: false
+            zaqar::wsgi::apache::bind_host: {get_param: [ServiceNetMap, ZaqarApiNetwork]}
             zaqar::message_pipeline: 'zaqar.notification.notifier'
             zaqar::unreliable: true
+            zaqar::wsgi::apache::servername:
+              str_replace:
+                template:
+                  "%{hiera('fqdn_$NETWORK')}"
+                params:
+                  $NETWORK: {get_param: [ServiceNetMap, ZaqarApiNetwork]}
+          -
+            if:
+            - zaqar_workers_zero
+            - {}
+            - zaqar::wsgi::apache::workers: {get_param: ZaqarWorkers}
       service_config_settings:
         keystone:
           zaqar::keystone::auth::password: {get_param: ZaqarPassword}
@@ -83,10 +116,19 @@ outputs:
             grep '\bactive\b'
           when: zaqar_enabled.rc == 0
           tags: step0,validation
-        - name: Stop zaqar service
+        - name: Check for zaqar running under apache (post upgrade)
+          tags: step1
+          shell: "httpd -t -D DUMP_VHOSTS | grep -q zaqar_wsgi"
+          register: zaqar_apache
+          ignore_errors: true
+        - name: Stop zaqar service (running under httpd)
+          tags: step1
+          service: name=httpd state=stopped
+          when: zaqar_apache.rc == 0
+        - name: Stop and disable zaqar service (pre-upgrade not under httpd)
           tags: step1
           when: zaqar_enabled.rc == 0
-          service: name=openstack-zaqar state=stopped
+          service: name=openstack-zaqar state=stopped enabled=no
         - name: Install openstack-zaqar package if it was disabled
           tags: step3
           yum: name=openstack-zaqar state=latest

releasenotes/notes/zaqar-httpd-e7d91bf396da28d0.yaml

@@ -0,0 +1,3 @@
+---
+features:
+  - Run the Zaqar WSGI service over httpd in Puppet.