(feat): add drain-node chart (#75)

Signed-off-by: shubhamchaudhary <shubham.chaudhary@mayadata.io>

Co-authored-by: Karthik Satchitanand <karthik.s@mayadata.io>

charts/generic/drain-node/experiment.yaml

@@ -0,0 +1,52 @@
+---
+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Drain the node where application pod is scheduled
+kind: ChaosExperiment
+metadata:
+  name: drain-node
+  version: 0.1.0
+spec:
+  definition:
+    permissions:
+      apiGroups:
+        - ""
+        - "extensions"
+        - "apps"
+        - "batch"
+        - "litmuschaos.io"
+      resources:
+        - "daemonsets"
+        - "statefulsets"
+        - "deployments"
+        - "replicasets"
+        - "jobs"
+        - "pods"
+        - "pods/exec"
+        - "chaosengines"
+        - "chaosexperiments"
+        - "chaosresults"
+      verbs:
+        - "*"
+    image: "litmuschaos/ansible-runner:ci"
+    args:
+    - -c
+    - ansible-playbook ./experiments/generic/drain_node/drain_node_ansible_logic.yml -i /etc/ansible/hosts -vv; exit 0
+    command:
+    - /bin/bash
+    env:
+    - name: ANSIBLE_STDOUT_CALLBACK
+      value: 'default'
+
+    - name: LIVENESS_APP_LABEL
+      value: ''
+    
+    - name: APP_NODE
+      value: ''
+
+    - name: LIVENESS_APP_NAMESPACE
+      value: '' 
+
+    labels:
+      name: drain-node

charts/generic/drain-node/node-drain.chartserviceversion.yaml

@@ -0,0 +1,37 @@
+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  name: drain-node
+  version: 0.1.0
+  annotations:
+    categories: Kubernetes
+    vendor: Mayadata
+    repository: https://github.com/litmuschaos/chaos-charts
+    support: https://app.slack.com/client/T09NY5SBT/CNXNB0ZTN
+spec:
+  displayName: node-drain
+  categoryDescription: >
+    Drain the node where application pod is scheduled
+  keywords:
+    - Kubernetes
+    - Node 
+    - State
+  platforms:
+    - GKE
+    - AWS
+  maturity: alpha
+  maintainers:
+    - name: shubham chaudhary
+      email: shubham.chaudhary@mayadata.io
+  minKubeVersion: 1.12.0
+  provider:
+    name: Mayadata
+  links:
+    - name: Kubernetes Website
+      url: https://kubernetes.io
+    - name: Source Code
+      url: https://github.com/litmuschaos/litmus/tree/master/experiments/generic
+  icon:
+    - url: ""
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/drain-node/experiment.yaml

charts/generic/generic.chartserviceversion.yaml

@@ -16,10 +16,14 @@ spec:
     - pod-delete
     - container-kill
     - pod-network-latency
+    - drain-node
 
   keywords:
     - Kubernetes
     - Container
+    - node
+    - pod
+    - disk
   maintainers:
     - name: ksatchit
       email: karthik.s@mayadata.io

charts/generic/generic.package.yaml

@@ -21,3 +21,6 @@ experiments:
   - name: disk-loss
     CSV: disk-loss.chartserviceversion.yaml
     desc: "disk-loss"
+  - name: drain-node
+    CSV: drain-node.chartserviceversion.yaml
+    desc: "drain-node"