remove memcache from everywhere and add djagno-redis to cover it

installer/roles/kubernetes/defaults/main.yml

@@ -27,12 +27,6 @@ kubernetes_redis_image: "redis"
 kubernetes_redis_image_tag: "latest"
 kubernetes_redis_config_mount_path: "/usr/local/etc/redis/redis.conf"
 
-memcached_mem_request: 1
-memcached_cpu_request: 500
-
-kubernetes_memcached_version: "latest"
-kubernetes_memcached_image: "memcached"
-
 openshift_pg_emptydir: false
 openshift_pg_pvc_name: postgresql
 

installer/roles/kubernetes/templates/deployment.yml.j2

@@ -161,9 +161,6 @@ spec:
             - name: {{ kubernetes_deployment_name }}-redis-socket
               mountPath: "/var/run/redis"
 
-            - name: {{ kubernetes_deployment_name }}-memcached-socket
-              mountPath: "/var/run/memcached"
-
           resources:
             requests:
               memory: "{{ web_mem_request }}Gi"
@@ -236,9 +233,6 @@ spec:
 
             - name: {{ kubernetes_deployment_name }}-redis-socket
               mountPath: "/var/run/redis"
-
-            - name: {{ kubernetes_deployment_name }}-memcached-socket
-              mountPath: "/var/run/memcached"
           env:
             - name: SUPERVISOR_WEB_CONFIG_PATH
               value: "/etc/supervisord.conf"
@@ -293,31 +287,6 @@ spec:
 {% endif %}
 {% if redis_cpu_limit is defined %}
               cpu: "{{ redis_cpu_limit }}m"
-{% endif %}
-        - name: {{ kubernetes_deployment_name }}-memcached
-          image: "{{ kubernetes_memcached_image }}:{{ kubernetes_memcached_version }}"
-          imagePullPolicy: Always
-          command:
-            - 'memcached'
-            - '-s'
-            - '/var/run/memcached/memcached.sock'
-            - '-a'
-            - '0666'
-          volumeMounts:
-            - name: {{ kubernetes_deployment_name }}-memcached-socket
-              mountPath: "/var/run/memcached"
-          resources:
-            requests:
-              memory: "{{ memcached_mem_request }}Gi"
-              cpu: "{{ memcached_cpu_request }}m"
-{% if memcached_mem_limit is defined or memcached_cpu_limit is defined %}
-            limits:
-{% endif %}
-{% if memcached_mem_limit is defined %}
-              memory: "{{ memcached_mem_limit }}Gi"
-{% endif %}
-{% if memcached_cpu_limit is defined %}
-              cpu: "{{ memcached_cpu_limit }}m"
 {% endif %}
 {% if tolerations is defined %}
       tolerations:
@@ -424,9 +393,6 @@ spec:
         - name: {{ kubernetes_deployment_name }}-redis-socket
           emptyDir: {}
 
-        - name: {{ kubernetes_deployment_name }}-memcached-socket
-          emptyDir: {}
-
 ---
 apiVersion: v1
 kind: Service