(feat): OpenEBS pool disk loss chart (#173)

* Adding openEBS disk loss experiment's chart

Signed-off-by: Raj <raj.das@mayadata.io>

charts/openebs/openebs-pool-disk-loss/engine.yaml

@@ -0,0 +1,66 @@
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: pool-chaos
+  namespace: default
+spec:
+  # It can be true/false
+  annotationCheck: 'false'
+  # It can be active/stop
+  engineState: 'active'
+  #ex. values: ns1:name=percona,ns2:run=busybox 
+  auxiliaryAppInfo: ''
+  appinfo:
+    appns: 'default'
+    applabel: 'app=nginx'
+    appkind: 'deployment'
+  chaosServiceAccount: pool-disk-loss-sa
+  monitoring: false
+  # It can be delete/retain
+  jobCleanUpPolicy: 'delete'
+  experiments:
+    - name: openebs-pool-disk-loss
+      spec:
+        components:
+          env:              
+            - name: APP_PVC
+              value: 'demo-nginx-claim'
+
+            # This is a chaos namespace which will create all infra chaos resources in that namespace
+            - name: CHAOS_NAMESPACE
+              value: ''
+
+            # Only GCP and AWS is supported
+            - name: CLOUD_PLATFORM
+              value: 'GCP'
+
+            # Enter the time duration in sec after the disk is dettached
+            - name: TOTAL_CHAOS_DURATION
+              value: '60'
+
+            # Period to wait before injection of chaos in sec
+            - name: RAMP_TIME
+              value: ''
+
+            # Enter the project id for gcp only
+            - name: PROJECT_ID 
+              value: 'litmus-demo-123'
+
+            # Enter the node name
+            - name: NODE_NAME
+              value: 'demo-node-123' 
+
+            # Enter the disk name
+            - name: DISK_NAME
+              value: 'demo-disk-123 '  
+            
+            # Enter the device name
+            - name: DEVICE_NAME
+              value: '/dev/sdb'
+
+            # Enter the zone name
+            - name: ZONE_NAME
+              value: 'us-central1-a' 
+              
+            - name: OPENEBS_NAMESPACE
+              value: 'openebs'

charts/openebs/openebs-pool-disk-loss/experiment.yaml

@@ -0,0 +1,104 @@
+---
+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    OpenEBS Pool Disk Loss contains chaos to disrupt state of infra resources. Experiments can inject disk loss against openEBS pool.
+kind: ChaosExperiment
+metadata:
+  labels:
+    litmuschaos.io/name: openebs
+  name: openebs-pool-disk-loss
+  version: 0.1.0
+spec:
+  definition:
+    scope: Cluster
+    permissions:
+      - apiGroups:
+          - ""
+          - "apps"
+          - "litmuschaos.io"
+          - "batch"
+          - "extensions"
+          - "storage.k8s.io"
+          - "openebs.io"
+        resources:
+          - "pods"
+          - "jobs"
+          - "pods/log"
+          - "events"
+          - "pods/exec"
+          - "cstorpools"
+          - "configmaps"
+          - "secrets"
+          - "storageclasses"
+          - "persistentvolumes"
+          - "persistentvolumeclaims"
+          - "cstorvolumereplicas"
+          - "chaosexperiments"
+          - "chaosresults"
+          - "chaosengines"
+        verbs:
+          - "create"
+          - "list"
+          - "get"
+          - "patch"
+          - "update"
+          - "delete"
+    image: "litmuschaos/ansible-runner:latest"
+    args:
+    - -c
+    - ansible-playbook ./experiments/openebs/openebs-pool-disk-loss/openebs_pool_disk_loss_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: '60'
+
+      # Period to wait before injection of chaos in sec
+      - name: RAMP_TIME
+        value: ''
+
+      - name: CHAOS_NAMESPACE
+        value: ''
+
+      # It supports GCP and AWS
+      - name: CLOUD_PLATFORM
+        value: 'GCP'
+
+      - name: PROJECT_ID 
+        value: ''
+
+      - name: NODE_NAME
+        value: ''
+
+      - name: DISK_NAME
+        value: ''
+
+      - name: ZONE_NAME
+        value: ''
+
+      - name: DEVICE_NAME
+        value: ''
+        
+      - name: LIVENESS_APP_LABEL
+        value: ''
+
+      - name: LIVENESS_APP_NAMESPACE
+        value: ''
+
+      - name: DATA_PERSISTENCE
+        value: ''
+
+      - name: OPENEBS_NAMESPACE
+        value: 'openebs'
+    labels:
+      name: openebs-pool-disk-loss
+    configmaps:
+    - name: openebs-pool-disk-loss
+      mountPath: /mnt/
+    secrets:
+    - name: cloud-secret
+      mountPath: /tmp/

charts/openebs/openebs-pool-disk-loss/openebs-pool-disk-loss.chartserviceversion.yaml

@@ -0,0 +1,41 @@
+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  createdAt: 2020-03-13T10:28:08Z
+  name: openebs-pool-disk-loss
+  version: 0.1.0
+  annotations:
+    categories: OpenEBS
+    vendor: CNCF
+    support: https://slack.openebs.io/
+spec:
+  displayName: openebs-pool-disk-loss 
+  categoryDescription: >
+    OpenEBS Pool Disk Loss contains chaos to disrupt state of infra resources. Experiments can inject disk loss against openEBS pool.
+    - Causes (forced/graceful) disk loss from the node disk pool.
+    - Tests deployment sanity (replica availability & uninterrupted service) and recovery workflows of the application pod.
+keywords:
+    - Kubernetes
+    - Storage Pool
+    - OpenEBS
+  platforms:
+    - GKE
+  maturity: alpha
+  chaosType: infra
+  maintainers:
+    - name: Raj Babu Das
+      email: raj.das@mayadata.io
+  minKubeVersion: 1.12.0
+  provider:
+    name: Mayadata
+  links:
+    - name: Source Code
+      url: https://github.com/litmuschaos/litmus/tree/master/experiments/openebs/openebs-pool-disk-loss
+    - name: Documentation
+      url: https://docs.litmuschaos.io/docs/openebs-pool-disk-loss/
+    - name: Video
+      url:
+  icon:
+    - url: ""
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/openebs/openebs-pool-disk-loss/experiment.yaml

charts/openebs/openebs-pool-disk-loss/rbac.yaml

@@ -0,0 +1,35 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: pool-disk-loss-sa
+  namespace: default
+  labels:
+    name: pool-disk-loss-sa
+---
+# Source: openebs/templates/clusterrole.yaml
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: pool-disk-loss-sa
+  labels:
+    name: pool-disk-loss-sa
+rules:
+- apiGroups: ["","apps","litmuschaos.io","batch","extensions","storage.k8s.io","openebs.io"]
+  resources: ["pods", "pods/log", "jobs", "events", "pods/exec", "cstorpools", "configmaps", "secrets", "storageclasses", "persistentvolumes", "persistentvolumeclaims", "cstorvolumereplicas", "chaosexperiments", "chaosresults", "chaosengines"]
+  verbs: ["create","list","get","patch","update","delete"]
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: pool-disk-loss-sa
+  labels:
+    name: pool-disk-loss-sa
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: pool-disk-loss-sa
+subjects:
+- kind: ServiceAccount
+  name: pool-disk-loss-sa
+  namespace: default

charts/openebs/openebs.chartserviceversion.yaml

@@ -24,6 +24,7 @@ spec:
     - openebs-pool-network-delay
     - openebs-pool-network-loss
     - openebs-control-plane-chaos
+    - openebs-pool-disk-loss
   keywords:
     - OpenEBS
     - CAS

charts/openebs/openebs.package.yaml

@@ -27,3 +27,6 @@ experiments:
   - name: openebs-pool-network-loss
     CSV: openebs-pool-network-loss.chartserviceversion.yaml 
     desc: "openebs-pool-network-loss"
+  - name: openebs-pool-disk-loss
+    CSV: openebs-pool-disk-loss.chartserviceversion.yaml 
+    desc: "openebs-pool-disk-loss"