Directory restructure to add scenarios and experiments (#559)

* Updated dir struture with scenarios and experiments dir

Signed-off-by: Amit Kumar Das <amit.das@harness.io>

* Added icons

Signed-off-by: Amit Kumar Das <amit.das@harness.io>

experiments/kafka/kafka-broker-disk-failure/engine.yaml

@@ -0,0 +1,81 @@
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: kafka-chaos
+  namespace: default
+spec:
+  # It can be active/stop
+  engineState: 'active'
+  #ex. values: ns1:name=percona,ns2:run=nginx 
+  auxiliaryAppInfo: ''
+  appinfo: 
+    appns: 'default'
+    applabel: 'app=cp-kafka'
+    appkind: 'statefulset'
+  chaosServiceAccount: kafka-broker-disk-failure-sa
+  experiments:
+    - name: kafka-broker-disk-failure
+      spec:
+        components:  
+          env:
+            # set chaos duration (in sec) as desired
+            - name: TOTAL_CHAOS_DURATION
+              value: '60'
+
+            # choose based on available kafka broker replicas           
+            - name: KAFKA_REPLICATION_FACTOR
+              value: '3'
+
+            # get via 'kubectl get pods --show-labels -n <kafka-namespace>'
+            - name: KAFKA_LABEL
+              value: 'app=cp-kafka'
+
+            - name: KAFKA_NAMESPACE
+              value: 'default'
+      
+            # get via 'kubectl get svc -n <kafka-namespace>' 
+            - name: KAFKA_SERVICE
+              value: 'kafka-cp-kafka-headless'
+
+            # get via 'kubectl get svc -n <kafka-namespace>'  
+            - name: KAFKA_PORT
+              value: '9092'
+
+            # in milliseconds  
+            - name: KAFKA_CONSUMER_TIMEOUT
+              value: '70000'
+
+            # ensure to set the instance name if using KUDO operator
+            - name: KAFKA_INSTANCE_NAME
+              value: ''
+
+            - name: ZOOKEEPER_NAMESPACE
+              value: 'default'
+
+            # get via 'kubectl get pods --show-labels -n <zk-namespace>'
+            - name: ZOOKEEPER_LABEL
+              value: 'app=cp-zookeeper'
+
+            # get via 'kubectl get svc -n <zk-namespace>  
+            - name: ZOOKEEPER_SERVICE
+              value: 'kafka-cp-zookeeper-headless'
+
+            # get via 'kubectl get svc -n <zk-namespace>  
+            - name: ZOOKEEPER_PORT
+              value: '2181'
+
+            # get from google cloud console or 'gcloud projects list'
+            - name: PROJECT_ID
+              value: 'argon-tractor-237811'
+
+            # attached to (in use by) node where 'kafka-0' is scheduled
+            - name: DISK_NAME
+              value: 'disk-1'
+
+            - name: ZONE_NAME
+              value: 'us-central1-a'
+
+            # Uses 'disk-1' attached to the node on which it is scheduled
+            - name: KAFKA_BROKER
+              value: 'kafka-0'
+                           

experiments/kafka/kafka-broker-disk-failure/experiment.yaml

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+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Detaching a persistent disk from a node/instance for kafka.
+kind: ChaosExperiment
+metadata:
+  name: kafka-broker-disk-failure
+  labels:
+    name: kafka-broker-disk-failure
+    app.kubernetes.io/part-of: litmus
+    app.kubernetes.io/component: chaosexperiment
+    app.kubernetes.io/version: latest
+spec:
+  definition:
+    scope: Cluster
+    permissions:
+      - apiGroups:
+          - ""
+          - "apps"
+          - "batch"
+          - "litmuschaos.io"
+        resources:
+          - "statefulsets"
+          - "secrets"
+          - "jobs"
+          - "pods/log"
+          - "events"
+          - "pods"
+          - "pods/exec"
+          - "chaosengines"
+          - "chaosexperiments"
+          - "chaosresults"
+        verbs:
+          - "create"
+          - "delete"
+          - "get"
+          - "list"
+          - "patch"
+    image: "litmuschaos/ansible-runner:latest"
+    imagePullPolicy: Always
+    args:
+    - -c
+    - ansible-playbook ./experiments/kafka/kafka-broker-disk-failure/kafka-broker-disk-failure-ansible-logic.yml -i /etc/ansible/hosts -vv; exit 0
+    command:
+    - /bin/bash
+    env:
+    - name: ANSIBLE_STDOUT_CALLBACK
+      value: 'default'
+
+    - name: KAFKA_KIND
+      value: 'statefulset'
+
+    - name: KAFKA_LIVENESS_STREAM
+      value: 'enabled'
+
+    - name: KAFKA_LIVENESS_IMAGE
+      value: 'litmuschaos/kafka-client:ci'
+
+    - name: KAFKA_CONSUMER_TIMEOUT
+      value: '30000'
+
+    - name: TOTAL_CHAOS_DURATION
+      value: '15'
+
+    - name: PROJECT_ID
+      value: ''
+
+    - name: DISK_NAME
+      value: ''
+
+    - name: ZONE_NAME
+      value: '' 
+
+    # GKE and AWS supported
+    - name: CLOUD_PLATFORM
+      value: 'GKE'
+
+    - name: KAFKA_NAMESPACE
+      value: ''
+
+    - name: KAFKA_LABEL
+      value: ''
+
+    - name: KAFKA_BROKER
+      value: ''
+
+    - name: KAFKA_INSTANCE_NAME
+      value: ''
+
+    - name: KAFKA_REPLICATION_FACTOR
+      value: ''
+
+    - name: KAFKA_SERVICE
+      value: ''
+
+    - name: KAFKA_PORT
+      value: ''
+
+    - name: ZOOKEEPER_NAMESPACE
+      value: ''
+
+    - name: ZOOKEEPER_LABEL
+      value: ''
+
+    - name: ZOOKEEPER_SERVICE
+      value: ''
+
+    - name: ZOOKEEPER_PORT
+      value: ''
+    labels:
+      name: kafka-broker-disk-failure
+      app.kubernetes.io/part-of: litmus
+      app.kubernetes.io/component: experiment-job
+      app.kubernetes.io/version: latest
+    secrets:
+    - name: kafka-broker-disk-failure
+      mountPath: /tmp/
+      

experiments/kafka/kafka-broker-disk-failure/kafka-broker-disk-failure.chartserviceversion.yaml

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+apiVersion: litmuchaos.io/v1alpha1
+kind: ChartServiceVersion
+metadata:
+  createdAt: 2019-11-15T10:28:08Z
+  name: kafka-broker-disk-failure
+  annotations:
+    categories: Kafka
+    vendor: Mayadata
+    support: https://app.slack.com/client/T09NY5SBT/CNXNB0ZTN
+spec:
+  displayName: kafka-broker-disk-failure
+  categoryDescription: |
+     Detaching a persistent disk from a node/instance for kafka
+  keywords:
+    - Kubernetes
+    - K8S
+    - Disk
+    - Kafka
+  platforms:
+    - GKE
+    - konvoy
+  maturity: alpha
+  maintainers:
+    - name: ksatchit
+      email: karthik.s@mayadata.io
+  minKubeVersion: 1.12.0
+  provider:
+    name: Mayadata
+  labels:
+    app.kubernetes.io/component: chartserviceversion
+    app.kubernetes.io/version: latest
+  links:
+    - name: Source Code
+      url: https://github.com/litmuschaos/litmus-ansible/tree/master/experiments/kafka/kafka-broker-disk-failure
+    - name: Documentation
+      url: https://v1-docs.litmuschaos.io/docs/kafka-broker-disk-failure/
+    - name: Video
+      url:
+  icon:
+    - url: 
+      mediatype: ""
+  chaosexpcrdlink: https://raw.githubusercontent.com/litmuschaos/chaos-charts/master/charts/kafka/kafka-broker-disk-failure/experiment.yaml

experiments/kafka/kafka-broker-disk-failure/rbac.yaml

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+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kafka-broker-disk-failure-sa
+  namespace: default
+  labels:
+    name: kafka-broker-disk-failure-sa
+    app.kubernetes.io/part-of: litmus
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: kafka-broker-disk-failure-sa
+  labels:
+    name: kafka-broker-disk-failure-sa
+    app.kubernetes.io/part-of: litmus
+rules:
+- apiGroups: ["","litmuschaos.io","batch","apps"]
+  resources: ["pods","jobs","pods/log","events","pods/exec","statefulsets","secrets","chaosengines","chaosexperiments","chaosresults"]
+  verbs: ["create","list","get","patch","delete"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: kafka-broker-disk-failure-sa
+  labels:
+    name: kafka-broker-disk-failure-sa
+    app.kubernetes.io/part-of: litmus
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: kafka-broker-disk-failure-sa
+subjects:
+- kind: ServiceAccount
+  name: kafka-broker-disk-failure-sa
+  namespace: default
+