Changed container path to socket path and runtime (#591)

Signed-off-by: avaakash <as86414@gmail.com>

experiments/generic/disk-fill/engine.yaml

@@ -6,7 +6,7 @@ metadata:
 spec:
   # It can be active/stop
   engineState: 'active'
-  #ex. values: ns1:name=percona,ns2:run=nginx  
+  #ex. values: ns1:name=percona,ns2:run=nginx
   auxiliaryAppInfo: ''
   appinfo:
     appns: 'default'
@@ -19,7 +19,7 @@ spec:
         components:
           env:
             - name: TOTAL_CHAOS_DURATION
-              value: '60' 
+              value: '60'
 
             # specify the fill percentage according to the disk pressure required
             - name: FILL_PERCENTAGE
@@ -28,7 +28,10 @@ spec:
             - name: PODS_AFFECTED_PERC
               value: ''
 
-            # Provide the container runtime path
-            # Default set to docker container path
-            - name: CONTAINER_PATH
-              value: '/var/lib/docker/containers'
+            # provide the name of container runtime, it supports docker, containerd, crio
+            - name: CONTAINER_RUNTIME
+              value: 'containerd'
+
+            # provide the socket file path
+            - name: SOCKET_PATH
+              value: '/run/containerd/containerd.sock'