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/gcp/gcp-vm-disk-loss-by-label/engine.yaml

@@ -0,0 +1,41 @@
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: gcp-disk-chaos
+spec:
+  engineState: 'active'
+  chaosServiceAccount: gcp-vm-disk-loss-by-label-sa
+  experiments:
+    - name: gcp-vm-disk-loss-by-label
+      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: '30'
+              
+            # set the GCP project id
+            - name: GCP_PROJECT_ID
+              value: ''
+
+            # set the zone in which all the disks are created
+            # all the disks must exist in the same zone 
+            - name: DISK_ZONES
+              value: ''
+
+            # set the label of the target disk volumes
+            - name: DISK_VOLUME_LABEL
+              value: ''
+
+            # set the percentage value of the disks with the given label 
+            # which should be targeted as part of the chaos injection
+            - name: DISK_AFFECTED_PERC
+              value: ''
+
+            # parallel or serial; determines how chaos is injected
+            - name: SEQUENCE
+              value: 'parallel'

experiments/gcp/gcp-vm-disk-loss-by-label/experiment.yaml

@@ -0,0 +1,83 @@
+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Causes loss of a non-boot storage persistent disk from a GCP VM instance filtered by a label for a specified duration before attaching them back
+kind: ChaosExperiment
+metadata:
+  name: gcp-vm-disk-loss-by-label
+  labels:
+    name: gcp-vm-disk-loss-by-label
+    app.kubernetes.io/part-of: litmus
+    app.kubernetes.io/component: chaosexperiment
+    app.kubernetes.io/version: latest
+spec:
+  definition:
+    scope: Cluster
+    permissions:
+      # Create and monitor the experiment & helper pods
+      - apiGroups: [""]
+        resources: ["pods"]
+        verbs: ["create","delete","get","list","patch","update", "deletecollection"]
+      # Performs CRUD operations on the events inside chaosengine and chaosresult
+      - apiGroups: [""]
+        resources: ["events"]
+        verbs: ["create","get","list","patch","update"]
+      # Fetch configmaps & secrets details and mount it to the experiment pod (if specified)
+      - apiGroups: [""]
+        resources: ["secrets","configmaps"]
+        verbs: ["get","list",]
+      # Track and get the runner, experiment, and helper pods log 
+      - apiGroups: [""]
+        resources: ["pods/log"]
+        verbs: ["get","list","watch"]
+      # for configuring and monitor the experiment job by the chaos-runner pod
+      - apiGroups: ["batch"]
+        resources: ["jobs"]
+        verbs: ["create","list","get","delete","deletecollection"]
+      # for creation, status polling and deletion of litmus chaos resources used within a chaos workflow
+      - apiGroups: ["litmuschaos.io"]
+        resources: ["chaosengines","chaosexperiments","chaosresults"]
+        verbs: ["create","list","get","patch","update","delete"]
+    image: "litmuschaos/go-runner:latest"
+    imagePullPolicy: Always
+    args:
+    - -c
+    - ./experiments -name gcp-vm-disk-loss-by-label
+    command:
+    - /bin/bash
+    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: '30'
+      
+    # set the GCP project id
+    - name: GCP_PROJECT_ID
+      value: ''
+
+    # set the zone in which all the disks are created
+    # all the disks must exist in the same zone 
+    - name: DISK_ZONES
+      value: ''
+    
+    # set the label of the target disk volumes
+    - name: DISK_VOLUME_LABEL
+      value: ''
+    
+    # set the percentage value of the disks with the given label 
+    # which should be targeted as part of the chaos injection
+    - name: DISK_AFFECTED_PERC
+      value: ''
+      
+    labels:
+      name: gcp-vm-disk-loss-by-label
+      app.kubernetes.io/part-of: litmus
+      app.kubernetes.io/component: experiment-job
+      app.kubernetes.io/version: latest 
+    secrets:
+    - name: cloud-secret
+      mountPath: /tmp/

experiments/gcp/gcp-vm-disk-loss-by-label/gcp-vm-disk-loss-by-label.chartserviceversion.yaml

@@ -0,0 +1,33 @@
+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  name: gcp-vm-disk-loss-by-label 
+  version: 0.1.0
+  annotations:
+    categories: gcp
+spec:
+  displayName: gcp-vm-disk-loss-by-label 
+  categoryDescription: >
+    Causes loss of a non-boot storage persistent disk from a GCP VM instance filtered by a label for a specified duration before attaching them back
+  keywords: 
+    - "Disk"  
+    - "GCP"
+  platforms: 
+    - "Minikube"
+  maturity: alpha
+  maintainers: 
+    - name: Neelanjan Manna 
+      email: neelanjan.manna@harness.io 
+  minKubeVersion: 1.12.0 
+  provider: 
+    name: Harness
+  labels:
+    app.kubernetes.io/component: chartserviceversion
+    app.kubernetes.io/version: latest
+  links: 
+    - name: Documentation 
+      url: https://litmuschaos.github.io/litmus/experiments/categories/gcp/gcp-vm-disk-loss-by-label/
+  icon:
+    - url: 
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/gcp/gcp-vm-disk-loss-by-label/experiment.yaml

experiments/gcp/gcp-vm-disk-loss-by-label/rbac.yaml

@@ -0,0 +1,62 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: gcp-vm-disk-loss-by-label-sa
+  namespace: default
+  labels:
+    name: gcp-vm-disk-loss-by-label-sa
+    app.kubernetes.io/part-of: litmus
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: gcp-vm-disk-loss-by-label-sa
+  labels:
+    name: gcp-vm-disk-loss-by-label-sa
+    app.kubernetes.io/part-of: litmus
+rules:
+  # Create and monitor the experiment & helper pods
+  - apiGroups: [""]
+    resources: ["pods"]
+    verbs: ["create","delete","get","list","patch","update", "deletecollection"]
+  # Performs CRUD operations on the events inside chaosengine and chaosresult
+  - apiGroups: [""]
+    resources: ["events"]
+    verbs: ["create","get","list","patch","update"]
+  # Fetch configmaps & secrets details and mount it to the experiment pod (if specified)
+  - apiGroups: [""]
+    resources: ["secrets","configmaps"]
+    verbs: ["get","list",]
+  # Track and get the runner, experiment, and helper pods log 
+  - apiGroups: [""]
+    resources: ["pods/log"]
+    verbs: ["get","list","watch"]  
+  # for creating and managing to execute comands inside target container
+  - apiGroups: [""]
+    resources: ["pods/exec"]
+    verbs: ["get","list","create"]
+  # for configuring and monitor the experiment job by the chaos-runner pod
+  - apiGroups: ["batch"]
+    resources: ["jobs"]
+    verbs: ["create","list","get","delete","deletecollection"]
+  # for creation, status polling and deletion of litmus chaos resources used within a chaos workflow
+  - apiGroups: ["litmuschaos.io"]
+    resources: ["chaosengines","chaosexperiments","chaosresults"]
+    verbs: ["create","list","get","patch","update","delete"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: gcp-vm-disk-loss-by-label-sa
+  labels:
+    name: gcp-vm-disk-loss-by-label-sa
+    app.kubernetes.io/part-of: litmus
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: gcp-vm-disk-loss-by-label-sa
+subjects:
+- kind: ServiceAccount
+  name: gcp-vm-disk-loss-by-label-sa
+  namespace: default