New AWS experiment and updated K8 experiment (#297)

* New experiment for AWS and update on K8

Signed-off-by: Sumit Nagal <sumit_nagal@intuit.com>

charts/generic/k8-aws-ec2-terminate/engine.yaml

@@ -0,0 +1,52 @@
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: aws-ec2-terminate
+  namespace: default
+spec:
+  appinfo:
+    appns: 'default'
+    applabel: 'app=nginx'
+    appkind: 'deployment'
+  annotationCheck: 'false'
+  engineState: 'active'
+  monitoring: false
+  jobCleanUpPolicy: 'retain'
+  chaosServiceAccount: chaos-admin
+  components:
+    runner:
+      runnerannotation:
+        iam.amazonaws.com/role: "k8s-chaosec2access"
+  experiments:
+    - name: aws-ec2-terminate
+      spec:
+        components:
+          experimentannotation:
+            iam.amazonaws.com/role: "k8s-chaosec2access"
+          env: 
+            - name: NAME_SPACE
+              value: default
+            - name: LABEL_NAME
+              value: app=nginx
+            - name: APP_ENDPOINT
+              value: localhost
+            - name: FILE
+              value: 'ec2-delete.json'
+            - name: AWS_ROLE
+              value: 'chaosec2access'
+            - name: AWS_ACCOUNT
+              value: '0000000000'
+            - name: AWS_REGION
+              value: 'us-west-2'
+            - name: AWS_AZ
+              value: 'us-west-2c'
+            - name: AWS_RESOURCE
+              value: 'ec2-iks'  
+            - name: AWS_SSL
+              value: 'false'
+            - name: REPORT
+              value: 'true'
+            - name: REPORT_ENDPOINT
+              value: 'none'
+            - name: TEST_NAMESPACE
+              value: 'default'