Explicitly require wsgi to be enabled in apache2

PROD-32552

Change-Id: I027ffc35c5a09081a8bd565067cdea234e054666
diff --git a/apache/server/site/aodh.yml b/apache/server/site/aodh.yml
index 3b7fc23..abeb151 100644
--- a/apache/server/site/aodh.yml
+++ b/apache/server/site/aodh.yml
@@ -9,6 +9,10 @@
     apache_aodh_api_port: 8042
   apache:
     server:
+      enabled: true
+      default_mpm: event
+      modules:
+        - wsgi
       site:
         aodh:
           enabled: false
diff --git a/apache/server/site/barbican.yml b/apache/server/site/barbican.yml
index 7a4297b..efa1ffd 100644
--- a/apache/server/site/barbican.yml
+++ b/apache/server/site/barbican.yml
@@ -8,6 +8,9 @@
   apache:
     server:
       enabled: true
+      default_mpm: event
+      modules:
+        - wsgi
       site:
         barbican:
           enabled: false
diff --git a/apache/server/site/cinder.yml b/apache/server/site/cinder.yml
index 785817a..a07b9a8 100644
--- a/apache/server/site/cinder.yml
+++ b/apache/server/site/cinder.yml
@@ -12,6 +12,8 @@
     server:
       enabled: true
       default_mpm: event
+      modules:
+        - wsgi
       site:
         cinder:
           enabled: false
diff --git a/apache/server/site/gnocchi.yml b/apache/server/site/gnocchi.yml
index 7aaba6f..785f6f2 100644
--- a/apache/server/site/gnocchi.yml
+++ b/apache/server/site/gnocchi.yml
@@ -9,6 +9,10 @@
     apache_gnocchi_api_port: 8041
   apache:
     server:
+      enabled: true
+      default_mpm: event
+      modules:
+        - wsgi
       site:
         gnocchi:
           enabled: false
diff --git a/apache/server/site/nova-placement.yml b/apache/server/site/nova-placement.yml
index a869fea..a911fa2 100644
--- a/apache/server/site/nova-placement.yml
+++ b/apache/server/site/nova-placement.yml
@@ -12,6 +12,8 @@
     server:
       enabled: true
       default_mpm: event
+      modules:
+        - wsgi
       site:
         nova_placement:
           enabled: false
diff --git a/apache/server/site/panko.yml b/apache/server/site/panko.yml
index a34190d..fe15a68 100644
--- a/apache/server/site/panko.yml
+++ b/apache/server/site/panko.yml
@@ -9,6 +9,10 @@
     apache_panko_api_port: 8977
   apache:
     server:
+      enabled: true
+      default_mpm: event
+      modules:
+        - wsgi
       site:
         panko:
           enabled: false