chore(env): Adding required env inside chaosengine (#479)

Signed-off-by: shubhamchaudhary <shubham@chaosnative.com>

charts/kafka/kafka-broker-pod-failure/engine.yaml

@@ -18,6 +18,10 @@ spec:
       spec:
         components:  
           env:
+            # set chaos duration (in sec) as desired
+            - name: TOTAL_CHAOS_DURATION
+              value: '60'
+
             # choose based on available kafka broker replicas           
             - name: KAFKA_REPLICATION_FACTOR
               value: '3'
@@ -60,10 +64,6 @@ spec:
             - name: ZOOKEEPER_PORT
               value: '2181'
 
-            # set chaos duration (in sec) as desired
-            - name: TOTAL_CHAOS_DURATION
-              value: '60'
-              
             # set chaos interval (in sec) as desired
             - name: CHAOS_INTERVAL
               value: '20'

charts/kafka/kafka-broker-pod-failure/experiment.yaml

@@ -74,10 +74,6 @@ spec:
     - name: CHAOS_INTERVAL
       value: '5'
 
-    # provide the kill count
-    - name: KILL_COUNT
-      value: ''
-
     ## it defines the sequence of chaos execution for multiple target pods
     ## supported values: serial, parallel
     - name: SEQUENCE