Add emptydir for cache

Signed-off-by: Patrick Uiterwijk <puiterwijk@redhat.com>

roles/openshift-apps/bodhi/files/deploymentconfig.yml

@@ -40,6 +40,8 @@ items:
           - name: config-volume
             mountPath: /etc/bodhi
             readOnly: true
+          - name: cache-volume
+            mountPath: /var/cache/bodhi
           readinessProbe:
             timeoutSeconds: 1
             initialDelaySeconds: 5
@@ -56,6 +58,8 @@ items:
         - name: config-volume
           configMap:
             name: bodhi-configmap
+        - name: cache-volume
+          emptyDir: {}
     triggers:
     - imageChangeParams:
         automatic: true