[VID] Create an empty dir for cache

VID needs a cache folder.
Currently, this caching feature doesn't work as cache folder can't be
accessed.
This patch allows the cache to be accessed.

Issue-ID: VID-960
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: Iea442f115e01919e82b14674249695d21c3197fe
diff --git a/kubernetes/vid/templates/deployment.yaml b/kubernetes/vid/templates/deployment.yaml
index d1b4bcd..478b442 100644
--- a/kubernetes/vid/templates/deployment.yaml
+++ b/kubernetes/vid/templates/deployment.yaml
@@ -141,6 +141,8 @@
           - mountPath: /tmp/logback.xml
             name: vid-logback
             subPath: logback.xml
+          - mountPath: /opt/app/vid
+            name: vid-cache
           resources:
 {{ include "common.resources" . | indent 12 }}
         {{- if .Values.nodeSelector }}
@@ -170,6 +172,8 @@
         - name: filebeat-conf
           configMap:
             name: {{ include "common.fullname" . }}-filebeat-configmap
+        - name: vid-cache
+          emptyDir: {}
         - name: vid-logs
           emptyDir: {}
         - name: vid-data-filebeat