GCP VM Disk Loss Charts (#483)

* Added charts for GCP vm-disk-loss experiments

Signed-off-by: neelanjan00 <neelanjanmanna@gmail.com>

charts/gcp/gcp-vm-disk-loss/engine.yaml

@@ -0,0 +1,42 @@
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: gcp-disk-chaos
+  namespace: default
+spec:
+  # It can be active/stop
+  engineState: 'active'
+  chaosServiceAccount: gcp-vm-disk-loss-sa
+  experiments:
+    - name: gcp-vm-disk-loss
+      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 disk volume name(s) as comma seperated values 
+            # eg. volume1,volume2,...
+            - name: DISK_VOLUME_NAMES
+              value: ''
+              
+            # set the disk zone(s) as comma seperated values in the corresponding 
+            # order of DISK_VOLUME_NAME  
+            # eg. zone1,zone2,...
+            - name: DISK_ZONES
+              value: ''
+            
+            # set the device name(s) as comma seperated values in the corresponding 
+            # order of DISK_VOLUME_NAME 
+            # eg. device1,device2,...
+            - name: DEVICE_NAMES
+              value: ''

charts/gcp/gcp-vm-disk-loss/experiment.yaml

@@ -0,0 +1,93 @@
+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Causes loss of a non-boot storage persistent disk from a GCP VM instance for a specified duration of time 
+kind: ChaosExperiment
+metadata:
+  name: gcp-vm-disk-loss
+  labels:
+    name: gcp-vm-disk-loss
+    app.kubernetes.io/part-of: litmus
+    app.kubernetes.io/component: chaosexperiment
+    app.kubernetes.io/version: latest
+spec:
+  definition:
+    scope: Cluster
+    permissions:
+      - apiGroups: 
+          - "" 
+          - "batch" 
+          - "litmuschaos.io"
+        resources: 
+          - "jobs" 
+          - "pods" 
+          - "pods/log" 
+          - "events" 
+          - "secrets" 
+          - "pods/exec" 
+          - "chaosengines" 
+          - "chaosexperiments" 
+          - "chaosresults"
+        verbs: 
+          - "create" 
+          - "list" 
+          - "get" 
+          - "patch" 
+          - "update" 
+          - "delete" 
+          - "deletecollection"
+    image: "litmuschaos/go-runner:ci"
+    imagePullPolicy: Always
+    args:
+    - -c
+    - ./experiments -name gcp-vm-disk-loss
+    command:
+    - /bin/bash
+    env:
+
+    - name: TOTAL_CHAOS_DURATION
+      value: '30' 
+
+    - name: CHAOS_INTERVAL
+      value: '30'
+
+    - name: LIB
+      value: 'litmus'
+    
+    # Period to wait before and after injection of chaos in sec
+    - name: RAMP_TIME
+      value: ''
+
+    # parallel or serial; determines how chaos is injected
+    - name: SEQUENCE
+      value: 'parallel'
+
+    # set the GCP project id
+    - name: GCP_PROJECT_ID
+      value: ''
+
+    # set the disk volume name(s) as comma seperated values 
+    # eg. volume1,volume2,...
+    - name: DISK_VOLUME_NAMES
+      value: ''
+              
+    # set the disk zone(s) as comma seperated values in the corresponding 
+    # order of DISK_VOLUME_NAME  
+    # eg. zone1,zone2,...
+    - name: DISK_ZONES
+      value: ''
+            
+    # set the device name(s) as comma seperated values in the corresponding 
+    # order of DISK_VOLUME_NAME 
+    # eg. device1,device2,...
+    - name: DEVICE_NAMES
+      value: ''
+      
+    labels:
+      name: gcp-vm-disk-loss
+      app.kubernetes.io/part-of: litmus
+      app.kubernetes.io/component: experiment-job
+      app.kubernetes.io/version: latest 
+    secrets:
+    - name: cloud-secret
+      mountPath: /tmp/

charts/gcp/gcp-vm-disk-loss/gcp-vm-disk-loss.chartserviceversion.yaml

@@ -0,0 +1,34 @@
+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  name: gcp-vm-disk-loss 
+  version: 0.1.0
+  annotations:
+    categories: gcp
+spec:
+  displayName: gcp-vm-disk-loss 
+  categoryDescription: >
+    Causes loss of a non-boot storage persistent disk from a GCP VM instance for a specified duration of time 
+  keywords: 
+    - "persistent-disks" 
+    - "kubernetes" 
+    - "gcp" 
+  platforms: 
+    - "GCP"
+  maturity: alpha
+  maintainers: 
+    - name: neelanjan00 
+      email: neelanjan@chaosnative.com 
+  minKubeVersion: 1.12.0 
+  provider: 
+    name: ChaosNative
+  labels:
+    app.kubernetes.io/component: chartserviceversion
+    app.kubernetes.io/version: latest
+  links: 
+    - name: Documentation 
+      url: https://docs.litmuschaos.io/docs/getstarted/ 
+  icon:
+    - url: 
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/gcp/gcp-vm-disk-loss/experiment.yaml

charts/gcp/gcp-vm-disk-loss/rbac.yaml

@@ -0,0 +1,46 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: gcp-vm-disk-loss-sa
+  namespace: default
+  labels:
+    name: gcp-vm-disk-loss-sa
+    app.kubernetes.io/part-of: litmus
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: gcp-vm-disk-loss-sa
+  labels:
+    name: gcp-vm-disk-loss-sa
+    app.kubernetes.io/part-of: litmus
+rules:
+- apiGroups: [""]
+  resources: ["pods","events","secrets"]
+  verbs: ["create","list","get","patch","update","delete","deletecollection"]
+- apiGroups: [""]
+  resources: ["pods/exec","pods/log"]
+  verbs: ["create","list","get"]
+- apiGroups: ["batch"]
+  resources: ["jobs"]
+  verbs: ["create","list","get","delete","deletecollection"]
+- apiGroups: ["litmuschaos.io"]
+  resources: ["chaosengines","chaosexperiments","chaosresults"]
+  verbs: ["create","list","get","patch","update"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: gcp-vm-disk-loss-sa
+  labels:
+    name: gcp-vm-disk-loss-sa
+    app.kubernetes.io/part-of: litmus
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: gcp-vm-disk-loss-sa
+subjects:
+- kind: ServiceAccount
+  name: gcp-vm-disk-loss-sa
+  namespace: default

charts/gcp/gcp-vm-instance-stop/experiment.yaml

@@ -63,7 +63,7 @@ spec:
 
     # period to wait before and after injection of chaos in sec
     - name: RAMP_TIME
-      value: '0'
+      value: ''
 
     # enable or disable; shall be enabled if the target instance is a part of an auto scaling group.
     - name: AUTO_SCALING_GROUP

charts/gcp/gcp-vm-instance-stop/gcp-vm-instance-stop.chartserviceversion.yaml

@@ -14,7 +14,7 @@ spec:
     - "kubernetes" 
     - "gcp" 
   platforms: 
-    - "GKE"
+    - "GCP"
   maturity: alpha
   maintainers: 
     - name: neelanjan00 

charts/gcp/gcp.chartserviceversion.yaml

@@ -11,10 +11,12 @@ spec:
     GCP contains chaos to disrupt state of gcp resources running part of the gcp services
   experiments:
   - gcp-vm-instance-stop
+  - gcp-vm-disk-loss
   keywords: 
     - "pods" 
     - "kubernetes" 
-    - "gcp" 
+    - "disk"
+    - "gcp"
   maintainers: 
     - name: neelanjan00 
       email: neelanjan@chaosnative.com

charts/gcp/gcp.package.yaml

@@ -3,3 +3,6 @@ experiments:
   - name: gcp-vm-instance-stop
     CSV: gcp-vm-instance-stop.chartserviceversion.yaml
     desc: "gcp-vm-instance-stop"
+  - name: gcp-vm-disk-loss
+    CSV: gcp-vm-disk-loss.chartserviceversion.yaml
+    desc: "gcp-vm-disk-loss"