chore(check): Add option for custom kill command in CPU and Memory hog (#348)

Signed-off-by: Udit Gaurav <udit.gaurav@mayadata.io>

charts/generic/pod-cpu-hog/experiment.yaml

@@ -68,6 +68,12 @@ spec:
     - name: TARGET_POD
       value: ''
 
+    - name: CHAOS_INJECT_COMMAND
+      value: 'md5sum /dev/zero'
+
+    - name: CHAOS_KILL_COMMAND
+      value: "kill -9 $(ps afx | grep \"[md5sum] /dev/zero\" | awk '{print$1}' | tr '\n' ' ')"
+
     ## it defines the sequence of chaos execution for multiple target pods
     ## supported values: serial, parallel
     - name: SEQUENCE

charts/generic/pod-memory-hog/experiment.yaml

@@ -65,6 +65,9 @@ spec:
       - name: LIB_IMAGE
         value: 'gaiaadm/pumba'
         
+      - name: CHAOS_KILL_COMMAND
+        value: "kill -9 $(ps afx | grep \"[dd] if /dev/zero\" | awk '{print $1}' | tr '\n' ' ')"
+
       ## it defines the sequence of chaos execution for multiple target pods
       ## supported values: serial, parallel
       - name: SEQUENCE