Added DNS Spoof chaos (#455)

* added dns-spoof chaos chart

Signed-off-by: Soumya Ghosh Dastidar <gdsoumya@gmail.com>

charts/generic/pod-dns-error/rbac-psp.yaml

@@ -0,0 +1,62 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: pod-dns-error-sa
+  namespace: default
+  labels:
+    name: pod-dns-error-sa
+    app.kubernetes.io/part-of: litmus
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: pod-dns-error-sa
+  namespace: default
+  labels:
+    name: pod-dns-error-sa
+    app.kubernetes.io/part-of: litmus
+rules:
+  - apiGroups: [""]
+    resources: ["pods", "events"]
+    verbs:
+      ["create", "list", "get", "patch", "update", "delete", "deletecollection"]
+  - apiGroups: [""]
+    resources: ["pods/exec", "pods/log", "replicationcontrollers"]
+    verbs: ["create", "list", "get"]
+  - apiGroups: ["batch"]
+    resources: ["jobs"]
+    verbs: ["create", "list", "get", "delete", "deletecollection"]
+  - apiGroups: ["apps"]
+    resources: ["deployments", "statefulsets", "daemonsets", "replicasets"]
+    verbs: ["list", "get"]
+  - apiGroups: ["apps.openshift.io"]
+    resources: ["deploymentconfigs"]
+    verbs: ["list", "get"]
+  - apiGroups: ["argoproj.io"]
+    resources: ["rollouts"]
+    verbs: ["list", "get"]
+  - apiGroups: ["litmuschaos.io"]
+    resources: ["chaosengines", "chaosexperiments", "chaosresults"]
+    verbs: ["create", "list", "get", "patch", "update"]
+  - apiGroups: ["policy"]
+    resources: ["podsecuritypolicies"]
+    verbs: ["use"]
+    resourceNames: ["litmus"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: pod-dns-error-sa
+  namespace: default
+  labels:
+    name: pod-dns-error-sa
+    app.kubernetes.io/part-of: litmus
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: pod-dns-error-sa
+subjects:
+  - kind: ServiceAccount
+    name: pod-dns-error-sa
+    namespace: default