Chore[New Exp]: Charts for HTTP Modify Body (#557)

* Added http modify body experiment charts

charts/generic/experiments.yaml

@@ -1061,7 +1061,123 @@ spec:
 apiVersion: litmuschaos.io/v1alpha1
 description:
   message: |
-    Drain the node where application pod is scheduled
+    it injects http modify body chaos inside the pod which modifies the body of the response from the provided application server to the body string provided by user and reverts after specified duration
+kind: ChaosExperiment
+metadata:
+  name: pod-http-modify-body
+  labels:
+    name: pod-http-modify-body
+    app.kubernetes.io/part-of: litmus
+    app.kubernetes.io/component: chaosexperiment
+    app.kubernetes.io/version: latest
+spec:
+  definition:
+    scope: Namespaced
+    permissions:
+      - apiGroups: 
+          - "" 
+          - "batch" 
+          - "apps" 
+          - "litmuschaos.io"
+        resources: 
+          - "jobs" 
+          - "pods" 
+          - "pods/log" 
+          - "events" 
+          - "deployments" 
+          - "replicasets" 
+          - "pods/exec" 
+          - "chaosengines" 
+          - "chaosexperiments" 
+          - "chaosresults"
+        verbs: 
+          - "create" 
+          - "list" 
+          - "get" 
+          - "patch" 
+          - "update" 
+          - "delete" 
+          - "deletecollection"
+    image: "litmuschaos/go-runner:latest"
+    imagePullPolicy: Always
+    args:
+    - -c
+    - ./experiments -name pod-http-modify-body
+    command:
+    - /bin/bash
+    env:
+
+    - name: TARGET_CONTAINER
+      value: ''
+
+    # provide lib image
+    - name: LIB_IMAGE
+      value: 'litmuschaos/go-runner:latest' 
+    
+    # provide the body string to overwrite the response body
+    - name: RESPONSE_BODY
+      value: ''
+
+    # port of the target service
+    - name: TARGET_SERVICE_PORT
+      value: "80"
+
+    # port on which the proxy will listen
+    - name: PROXY_PORT
+      value: "20000"
+    
+    # network interface on which the proxy will listen
+    - name: NETWORK_INTERFACE
+      value: "eth0"
+
+    - name: TOTAL_CHAOS_DURATION
+      value: '60' # in seconds
+
+    # Time period to wait before and after injection of chaos in sec
+    - name: RAMP_TIME
+      value: ''
+
+    # lib can be litmus or pumba
+    - name: LIB
+      value: 'litmus'
+
+    # percentage of total pods to target
+    - name: PODS_AFFECTED_PERC
+      value: ''
+
+    - name: TARGET_PODS
+      value: ''
+
+    # provide the name of container runtime
+    # for litmus LIB, it supports docker, containerd, crio
+    # for pumba LIB, it supports docker only
+    - name: CONTAINER_RUNTIME
+      value: 'docker'
+
+    # provide the socket file path
+    - name: SOCKET_PATH
+      value: '/var/run/docker.sock'
+
+    # To select pods on specific node(s)
+    - name: NODE_LABEL
+      value: ''
+
+    ## it defines the sequence of chaos execution for multiple target pods
+    ## supported values: serial, parallel
+    - name: SEQUENCE
+      value: 'parallel'
+      
+    labels:
+      name: pod-http-modify-body
+      app.kubernetes.io/part-of: litmus
+      app.kubernetes.io/component: experiment-job
+      app.kubernetes.io/version: latest 
+
+---
+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Kills the kubelet service on the application node to check the resiliency.
 kind: ChaosExperiment
 metadata:
   name: node-drain