added 3 new experiments for kubernetes (#356)

* added 3 new experiments for kubernetes

Signed-off-by: Navin Jammula <navin_kumarj@intuit.com>

charts/generic/k8-alb-ingress-controller/Readme.md

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+# Remote namespace 
+* navigate to current directory `charts/generic/k8-alb-ingress-controller/`
+* Apply experiments for K8 - `kubectl apply -f experiment.yaml`
+* Validate the experiments for k8 - `kubectl get chaosexperiments`
+* Setup RBAC as admin mode - `kubectl apply -f rbac-admin.yaml`
+* Create pod Experiment - for health experiment for IKS 1.0 -`kubectl create -f engine.yaml`
+* Validate experiment - `kubectl get pods -w`
+* Validate logs - `kubectl logs -f <delete pod>`
+* Clean up chaosexperiment -`kubectl delete -f engine.yaml`
+* Clean up rbac-admin  -`kubectl delete -f rbac-admin.yaml`

charts/generic/k8-alb-ingress-controller/engine.yaml

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+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: k8-alb-ingress-controller
+  namespace: default
+spec:
+  appinfo:
+    appns: 'default'
+    applabel: "app=alb-ingress-controller"
+    appkind: deployment
+  annotationCheck: 'false'
+  engineState: 'active'
+  chaosServiceAccount: chaos-admin
+  monitoring: false
+  jobCleanUpPolicy: 'retain'
+  experiments:
+    - name: k8-pod-delete
+      spec:
+        components:
+          env:
+            # set chaos namespace
+            - name: NAME_SPACE
+              value: addon-alb-ingress-controller-ns
+            # set chaos label name
+            - name: LABEL_NAME
+              value: app=alb-ingress-controller
+            # pod endpoint
+            - name: APP_ENDPOINT
+              value: 'localhost'
+            - name: FILE
+              value: 'pod-custom-kill-health.json'
+            - name: REPORT
+              value: 'true'
+            - name: REPORT_ENDPOINT
+              value: 'none'
+            - name: TEST_NAMESPACE
+              value: 'default'
+
+

charts/generic/k8-alb-ingress-controller/experiment.yaml

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+# Generic Chaos experiment for Application team, who want to participate in Game Day
+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Deletes a pod belonging to a deployment/statefulset/daemonset
+kind: ChaosExperiment
+metadata:
+  name: k8-pod-delete
+spec:
+  definition:
+    scope: Namespaced
+    permissions:
+      - apiGroups: ["","apps","batch"]
+        resources: ["jobs","deployments","daemonsets"]
+        verbs: ["create","list","get","patch","delete"]
+      - apiGroups: ["","litmuschaos.io"]
+        resources: ["pods","configmaps","events","services","chaosengines","chaosexperiments","chaosresults","deployments","jobs"]
+        verbs: ["get","create","update","patch","delete","list"] 
+      - apiGroups: [""]
+        resources: ["nodes"]
+        verbs : ["get","list"]
+    labels:
+      name: k8-pod-delete    
+      app.kubernetes.io/part-of: litmus
+    image: "litmuschaos/chaostoolkit:latest"
+    args:
+    - -c
+    - python /app/chaos/chaostest/kubernetes/k8_wrapper.py ; exit 0
+    command:
+    - /bin/bash
+    env:
+
+    - name: CHAOSTOOLKIT_IN_POD
+      value: 'true'
+
+    - name: FILE
+      value: 'pod-app-kill-count.json'
+
+    - name: NAME_SPACE
+      value: ''
+
+    - name: LABEL_NAME
+      value: ''
+
+    - name: APP_ENDPOINT
+      value: ''
+
+    - name: PERCENTAGE
+      value: '50'
+
+    - name: REPORT
+      value: 'true'
+
+    - name: REPORT_ENDPOINT
+      value: 'none'
+    
+    - name: TEST_NAMESPACE
+      value: 'default'

charts/generic/k8-alb-ingress-controller/k8-alb-ingress-controller.chartserviceversion.yaml

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+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  name: k8-pod-delete
+  version: 0.0.4
+  annotations:
+    categories: Kubernetes
+    vendor: CNCF
+    createdAt: 2020-02-24T10:28:08Z
+    support: https://slack.kubernetes.io/
+spec:
+  displayName: k8-pod-delete
+  categoryDescription: |
+    K8 Pod delete contains chaos to disrupt state of kubernetes resources. It uses chaostoolkit to inject random pod delete failures against specified applications
+  keywords:
+    - Kubernetes
+    - State
+  platforms:
+     - Minikube
+  maturity: alpha
+  maintainers:
+    - name: Navin
+      email: navin_kumarj@intuit.com
+  minKubeVersion: 1.12.0
+  provider:
+    name: Intuit
+  links:
+    - name: Source Code
+      url: https://github.com/litmuschaos/litmus-python/tree/master/chaos-test
+  icon:
+    - url:
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/k8-pod-delete/experiment.yaml

charts/generic/k8-alb-ingress-controller/rbac-admin.yaml

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+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: chaos-admin
+  labels:
+    name: chaos-admin
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: chaos-admin
+  labels:
+    name: chaos-admin
+rules:
+  - apiGroups: ["","apps","batch"]
+    resources: ["jobs","deployments","daemonsets"]
+    verbs: ["create","list","get","patch","delete"]
+  - apiGroups: ["","litmuschaos.io"]
+    resources: ["pods","configmaps","events","services","chaosengines","chaosexperiments","chaosresults","deployments","jobs"]
+    verbs: ["get","create","update","patch","delete","list"] 
+  - apiGroups: [""]
+    resources: ["nodes"]
+    verbs : ["get","list"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: chaos-admin
+  labels:
+    name: chaos-admin
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: chaos-admin
+subjects:
+- kind: ServiceAccount
+  name: chaos-admin
+  namespace: default

charts/generic/k8-kube-proxy/Readme.md

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+# Remote namespace 
+* navigate to current directory `charts/generic/k8-kube-proxy/`
+* Apply experiments for K8 - `kubectl apply -f experiment.yaml`
+* Validate the experiments for k8 - `kubectl get chaosexperiments`
+* Setup RBAC as admin mode - `kubectl apply -f rbac-admin.yaml`
+* Create pod Experiment - for health experiment for IKS 1.0 -`kubectl create -f engine.yaml`
+* Validate experiment - `kubectl get pods -w`
+* Validate logs - `kubectl logs -f <delete pod>`
+* Clean up chaosexperiment -`kubectl delete -f engine.yaml`
+* Clean up rbac-admin  -`kubectl delete -f rbac-admin.yaml`

charts/generic/k8-kube-proxy/engine.yaml

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+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: k8-kube-proxy
+  namespace: default
+spec:
+  appinfo:
+    appns: 'default'
+    applabel: "k8s-app=kube-proxy"
+    appkind: deployment
+  annotationCheck: 'false'
+  engineState: 'active'
+  chaosServiceAccount: chaos-admin
+  monitoring: false
+  jobCleanUpPolicy: 'retain'
+  experiments:
+    - name: k8-pod-delete
+      spec:
+        components:
+          env:
+            # set chaos namespace
+            - name: NAME_SPACE
+              value: kube-system
+            # set chaos label name
+            - name: LABEL_NAME
+              value: k8s-app=kube-proxy
+            # pod endpoint
+            - name: APP_ENDPOINT
+              value: 'localhost'
+            - name: FILE
+              value: 'pod-custom-kill-health.json'
+            - name: REPORT
+              value: 'true'
+            - name: REPORT_ENDPOINT
+              value: 'none'
+            - name: TEST_NAMESPACE
+              value: 'default'
+
+

charts/generic/k8-kube-proxy/experiment.yaml

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+# Generic Chaos experiment for Application team, who want to participate in Game Day
+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Deletes a pod belonging to a deployment/statefulset/daemonset
+kind: ChaosExperiment
+metadata:
+  name: k8-pod-delete
+spec:
+  definition:
+    scope: Namespaced
+    permissions:
+      - apiGroups: ["","apps","batch"]
+        resources: ["jobs","deployments","daemonsets"]
+        verbs: ["create","list","get","patch","delete"]
+      - apiGroups: ["","litmuschaos.io"]
+        resources: ["pods","configmaps","events","services","chaosengines","chaosexperiments","chaosresults","deployments","jobs"]
+        verbs: ["get","create","update","patch","delete","list"] 
+      - apiGroups: [""]
+        resources: ["nodes"]
+        verbs : ["get","list"]
+    labels:
+      name: k8-pod-delete    
+      app.kubernetes.io/part-of: litmus
+    image: "litmuschaos/chaostoolkit:latest"
+    args:
+    - -c
+    - python /app/chaos/chaostest/kubernetes/k8_wrapper.py ; exit 0
+    command:
+    - /bin/bash
+    env:
+
+    - name: CHAOSTOOLKIT_IN_POD
+      value: 'true'
+
+    - name: FILE
+      value: 'pod-app-kill-count.json'
+
+    - name: NAME_SPACE
+      value: ''
+
+    - name: LABEL_NAME
+      value: ''
+
+    - name: APP_ENDPOINT
+      value: ''
+
+    - name: PERCENTAGE
+      value: '50'
+
+    - name: REPORT
+      value: 'true'
+
+    - name: REPORT_ENDPOINT
+      value: 'none'
+    
+    - name: TEST_NAMESPACE
+      value: 'default'

charts/generic/k8-kube-proxy/k8-kube-proxy.chartserviceversion.yaml

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+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  name: k8-pod-delete
+  version: 0.0.4
+  annotations:
+    categories: Kubernetes
+    vendor: CNCF
+    createdAt: 2020-02-24T10:28:08Z
+    support: https://slack.kubernetes.io/
+spec:
+  displayName: k8-pod-delete
+  categoryDescription: |
+    K8 Pod delete contains chaos to disrupt state of kubernetes resources. It uses chaostoolkit to inject random pod delete failures against specified applications
+  keywords:
+    - Kubernetes
+    - State
+  platforms:
+     - Minikube
+  maturity: alpha
+  maintainers:
+    - name: Navin
+      email: navin_kumarj@intuit.com
+  minKubeVersion: 1.12.0
+  provider:
+    name: Intuit
+  links:
+    - name: Source Code
+      url: https://github.com/litmuschaos/litmus-python/tree/master/chaos-test
+  icon:
+    - url:
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/generic/k8-pod-delete/experiment.yaml

charts/generic/k8-kube-proxy/rbac-admin.yaml

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+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: chaos-admin
+  labels:
+    name: chaos-admin
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: chaos-admin
+  labels:
+    name: chaos-admin
+rules:
+  - apiGroups: ["","apps","batch"]
+    resources: ["jobs","deployments","daemonsets"]
+    verbs: ["create","list","get","patch","delete"]
+  - apiGroups: ["","litmuschaos.io"]
+    resources: ["pods","configmaps","events","services","chaosengines","chaosexperiments","chaosresults","deployments","jobs"]
+    verbs: ["get","create","update","patch","delete","list"] 
+  - apiGroups: [""]
+    resources: ["nodes"]
+    verbs : ["get","list"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: chaos-admin
+  labels:
+    name: chaos-admin
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: chaos-admin
+subjects:
+- kind: ServiceAccount
+  name: chaos-admin
+  namespace: default