(feat): Adding NFS kill exp chart (#213)

* Adding openEBS nfs kill experiment charts

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

charts/openebs/openebs-nfs-provisioner-kill/engine.yaml

@@ -0,0 +1,45 @@
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: nfs-chaos
+  namespace: default
+spec:
+  # It can be true/false
+  annotationCheck: 'false'
+  # It can be active/stop
+  engineState: 'active'
+  appinfo:
+    appns: 'minio'
+    applabel: 'app=minio'
+    appkind: 'deployment'
+  chaosServiceAccount: nfs-chaos-sa
+  monitoring: false
+  # It can be delete/retain
+  jobCleanUpPolicy: 'delete'
+  experiments:
+    - name: openebs-nfs-provisioner-kill
+      spec:
+        components:
+          env:
+            - name: NFS_PROVISIONER_NAMESPACE
+              value: 'app-nfs-ns'
+  
+            ## Period to wait before injection of chaos  
+            - name: RAMP_TIME
+              value: '10'
+
+            - name: NFS_PROVISIONER_LABEL
+              value: 'app=nfs'
+
+            - name: NFS_PVC
+              value: 'nfs-pvc-claim'
+            
+            - name: NFS_SVC
+              value: 'nfs-provisioner'
+
+            - name: TARGET_CONTAINER
+              value: 'nfs-provisioner'
+
+            # EXTERNAL_APP_CHECK can be true/false
+            - name: EXTERNAL_APP_CHECK
+              value: 'true'

charts/openebs/openebs-nfs-provisioner-kill/experiment.yaml

@@ -0,0 +1,93 @@
+---
+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Kill the OpenEBS NFS provisioner container and check if pods consuming the NFS PVs continue to be available and volumes are writable (RWM mode)
+kind: ChaosExperiment
+metadata:
+  labels:
+    litmuschaos.io/name: openebs
+  name: openebs-nfs-provisioner-kill
+  version: 0.1.0
+spec:
+  definition:
+    scope: Cluster
+    permissions:
+      - apiGroups:
+          - ""
+          - "apps"
+          - "litmuschaos.io"
+          - "batch"
+          - "extensions"
+          - "storage.k8s.io"
+        resources:
+          - "pods"
+          - "pods/exec"
+          - "pods/log"
+          - "deployments"
+          - "events"
+          - "jobs"
+          - "configmaps"
+          - "services"
+          - "persistentvolumeclaims"
+          - "storageclasses"
+          - "persistentvolumes"
+          - "chaosexperiments"
+          - "chaosresults"
+          - "chaosengines"
+        verbs:
+          - "create"
+          - "list"
+          - "get"
+          - "patch"
+          - "update"
+          - "delete"
+      - apiGroups:
+          - ""
+        resources:
+          - "nodes"
+        verbs:
+          - "get"
+          - "list"
+      
+    image: "litmuschaos/ansible-runner:latest"
+    args:
+    - -c
+    - ansible-playbook ./experiments/openebs/openebs-nfs-provisioner-kill/openebs_nfs_provisioner_kill_ansible_logic.yml -i /etc/ansible/hosts -vv; exit 0
+    command:
+    - /bin/bash
+    env:
+    - name: ANSIBLE_STDOUT_CALLBACK
+      value: 'default'
+
+    # NFS default container
+    - name: TARGET_CONTAINER
+      value: 'nfs-provisioner'
+
+    # Period to wait before injection of chaos in sec
+    - name: RAMP_TIME
+      value: ''
+
+    # It supports pumba and containerd 
+    - name: LIB
+      value: 'pumba'
+
+    # LIB_IMAGE can be - gaiaadm/pumba:0.6.5, gprasath/crictl:ci
+    # For pumba image use: gaiaadm/pumba:0.6.5
+    # For containerd image use: gprasath/crictl:ci
+    - name: LIB_IMAGE  
+      value: 'gaiaadm/pumba:0.6.5' 
+
+    # provide the chaos interval
+    - name: CHAOS_INTERVAL
+      value: '10'
+
+    # provide the total chaos duration
+    - name: TOTAL_CHAOS_DURATION
+      value: '20'
+
+    labels:
+      name: openebs-nfs-provisioner-kill
+    configmaps:
+      - name: openebs-nfs-provisioner-kill
+        mountPath: /mnt/

charts/openebs/openebs-nfs-provisioner-kill/openebs-nfs-provisioner-kill-chaos.chartserviceversion.yaml

@@ -0,0 +1,38 @@
+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  name: openebs-nfs-provisioner-kill
+  version: 0.1.0
+  annotations:
+    categories: OpenEBS
+    vendor: CNCF
+    support: https://slack.openebs.io/
+spec:
+  displayName: openebs-nfs-kill-chaos
+  categoryDescription: >
+    Kill the OpenEBS NFS provisioner container and check if pods consuming the NFS PVs continue to be available and volumes are writable (RWM mode)
+  keywords:
+    - Kubernetes
+    - OpenEBS
+    - NFS
+  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-nfs-provisioner-kill
+    - name: Documentation
+      url: https://docs.litmuschaos.io/docs/openebs-nfs-provisioner-kill/
+    - name: Video
+      url:
+  icon:
+    - url: ""
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/openebs/openebs-nfs-provisioner-kill/experiment.yaml

charts/openebs/openebs-nfs-provisioner-kill/rbac.yaml

@@ -0,0 +1,34 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: nfs-chaos-sa
+  namespace: default
+  labels:
+    name: nfs-chaos-sa
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: nfs-chaos-sa
+  labels:
+    name: nfs-chaos-sa
+rules:
+- apiGroups: ["","apps","litmuschaos.io","batch","extensions","storage.k8s.io"]
+  resources: ["pods","pods/exec","pods/log", "deployments","events","jobs","configmaps","services","persistentvolumeclaims","storageclasses","persistentvolumes","chaosexperiments","chaosresults","chaosengines"]
+  verbs: ["create","list","get","patch","update","delete"]
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: nfs-chaos-sa
+  labels:
+    name: nfs-chaos-sa
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: nfs-chaos-sa
+subjects:
+- kind: ServiceAccount
+  name: nfs-chaos-sa
+  namespace: default

charts/openebs/openebs-pool-container-failure/openebs-pool-container-failure.chartserviceversion.yaml

@@ -38,4 +38,4 @@ spec:
   icon:
     - url: ""
       mediatype: ""
-  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/openebs/openebs-pool-container-failure/experiment.yaml
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/openebs/openebs-pool-container-failure/experiment.yaml

charts/openebs/openebs-pool-container-failure/rbac.yaml

@@ -32,4 +32,4 @@ roleRef:
 subjects:
 - kind: ServiceAccount
   name: pool-container-failure-sa
-  namespace: default
+  namespace: default