Directory restructure to add scenarios and experiments (#559)

* Updated dir struture with scenarios and experiments dir

Signed-off-by: Amit Kumar Das <amit.das@harness.io>

* Added icons

Signed-off-by: Amit Kumar Das <amit.das@harness.io>

experiments/generic/pod-delete/ansible/engine.yaml

@@ -0,0 +1,31 @@
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: nginx-chaos
+  namespace: default
+spec:
+  appinfo:
+    appns: 'default'
+    applabel: 'app=nginx'
+    appkind: 'deployment'
+  # It can be active/stop
+  engineState: 'active'
+  #ex. values: ns1:name=percona,ns2:run=nginx
+  auxiliaryAppInfo: ''
+  chaosServiceAccount: pod-delete-sa
+  experiments:
+    - name: pod-delete
+      spec:
+        components:
+          env:
+            # set chaos duration (in sec) as desired
+            - name: TOTAL_CHAOS_DURATION
+              value: '30'
+
+            # set chaos interval (in sec) as desired
+            - name: CHAOS_INTERVAL
+              value: '10'
+              
+            # pod failures without '--force' & default terminationGracePeriodSeconds
+            - name: FORCE
+              value: 'false'

experiments/generic/pod-delete/ansible/experiment.yaml

@@ -0,0 +1,84 @@
+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Deletes a pod belonging to a deployment/statefulset/daemonset
+kind: ChaosExperiment
+metadata:
+  name: pod-delete
+  labels:
+    name: pod-delete
+    app.kubernetes.io/part-of: litmus
+    app.kubernetes.io/component: chaosexperiment
+    app.kubernetes.io/version: latest
+spec:
+  definition:
+    scope: Namespaced
+    permissions:
+      - apiGroups:
+          - ""
+          - "apps"
+          - "batch"
+          - "litmuschaos.io"
+        resources:
+          - "deployments"
+          - "jobs"
+          - "pods"
+          - "pods/log"
+          - "events"
+          - "configmaps"
+          - "chaosengines"
+          - "chaosexperiments"
+          - "chaosresults"
+        verbs:
+          - "create"
+          - "list"
+          - "get"
+          - "patch"
+          - "update"
+          - "delete"
+      - apiGroups:
+          - ""
+        resources: 
+          - "nodes"
+        verbs:
+          - "get"
+          - "list"
+    image: "litmuschaos/ansible-runner:latest"
+    imagePullPolicy: Always
+    args:
+    - -c
+    - ansible-playbook ./experiments/generic/pod_delete/pod_delete_ansible_logic.yml -i /etc/ansible/hosts -vv; exit 0
+    command:
+    - /bin/bash
+    env:
+
+    - name: ANSIBLE_STDOUT_CALLBACK
+      value: 'default'
+
+    - name: TOTAL_CHAOS_DURATION
+      value: '15'
+
+    # Period to wait before injection of chaos in sec
+    - name: RAMP_TIME
+      value: ''
+
+    # provide the kill count
+    - name: KILL_COUNT
+      value: ''
+
+    - name: FORCE
+      value: 'true'
+
+    - name: CHAOS_INTERVAL
+      value: '5'
+
+    - name: LIB_IMAGE
+      value: 'litmuschaos/pod-delete-helper:latest'
+
+    - name: LIB
+      value: 'litmus'    
+    labels:
+      name: pod-delete
+      app.kubernetes.io/part-of: litmus
+      app.kubernetes.io/component: experiment-job
+      app.kubernetes.io/version: latest

experiments/generic/pod-delete/ansible/powerfulseal_rbac.yaml

@@ -0,0 +1,38 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: pod-delete-sa
+  namespace: default
+  labels:
+    name: pod-delete-sa
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: pod-delete-sa
+  labels:
+    name: pod-delete-sa
+rules:
+- apiGroups: ["","litmuschaos.io","batch","apps"]
+  resources: ["pods","deployments","pods/log","events","jobs","configmaps","chaosengines","chaosexperiments","chaosresults"]
+  verbs: ["create","list","get","patch","update","delete"]
+- apiGroups: [""]
+  resources: ["nodes"]
+  verbs: ["get","list"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: pod-delete-sa
+  labels:
+    name: pod-delete-sa
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: pod-delete-sa
+subjects:
+- kind: ServiceAccount
+  name: pod-delete-sa
+  namespace: default
+

experiments/generic/pod-delete/ansible/rbac.yaml

@@ -0,0 +1,40 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: pod-delete-sa
+  namespace: default
+  labels:
+    name: pod-delete-sa
+    app.kubernetes.io/part-of: litmus
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: pod-delete-sa
+  namespace: default
+  labels:
+    name: pod-delete-sa
+    app.kubernetes.io/part-of: litmus
+rules:
+- apiGroups: ["","litmuschaos.io","batch","apps"]
+  resources: ["pods","deployments","pods/log","events","jobs","chaosengines","chaosexperiments","chaosresults"]
+  verbs: ["create","list","get","patch","update","delete"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: pod-delete-sa
+  namespace: default
+  labels:
+    name: pod-delete-sa
+    app.kubernetes.io/part-of: litmus
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: pod-delete-sa
+subjects:
+- kind: ServiceAccount
+  name: pod-delete-sa
+  namespace: default
+