Adding node memory hog scenario

config/config.yaml

@@ -2,7 +2,7 @@ kraken:
     distribution: openshift                                # Distribution can be kubernetes or openshift
     kubeconfig_path: /root/.kube/config                    # Path to kubeconfig
     exit_on_failure: False                                 # Exit when a post action scenario fails
-    litmus_version: v1.10.0                                # Litmus version to install
+    litmus_version: v1.13.6                                # Litmus version to install
     litmus_uninstall: False                                # If you want to uninstall litmus if failure
     chaos_scenarios:                                       # List of policies/chaos scenarios to load
         -   container_scenarios:                                 # List of chaos pod scenarios to load
@@ -19,8 +19,12 @@ kraken:
         -   time_scenarios:                                # List of chaos time scenarios to load
             - scenarios/time_scenarios_example.yml
         -   litmus_scenarios:                              # List of litmus scenarios to load
-            - - https://hub.litmuschaos.io/api/chaos/1.10.0?file=charts/generic/node-cpu-hog/rbac.yaml
-              - scenarios/node_cpu_hog_engine.yaml
+            - - https://hub.litmuschaos.io/api/chaos/1.13.6?file=charts/generic/node-cpu-hog/rbac.yaml
+              - scenarios/node_hog_engine.yaml
+            - - https://hub.litmuschaos.io/api/chaos/1.13.6?file=charts/generic/node-memory-hog/rbac.yaml
+              - scenarios/node_mem_engine.yaml
+            - - https://hub.litmuschaos.io/api/chaos/1.13.6?file=charts/generic/node-io-stress/rbac.yaml
+              - scenarios/node_io_engine.yaml
         -   cluster_shut_down_scenarios:
             - - scenarios/cluster_shut_down_scenario.yml
               - scenarios/post_action_shut_down.py

kraken/litmus/common_litmus.py

@@ -56,7 +56,12 @@ def run(scenarios_list, config, litmus_namespaces, litmus_uninstall, wait_durati
 
 # Install litmus and wait until pod is running
 def install_litmus(version):
-    runcommand.invoke("kubectl apply -f " "https://litmuschaos.github.io/litmus/litmus-operator-%s.yaml" % version)
+    litmus_install = runcommand.invoke(
+        "kubectl apply -f " "https://litmuschaos.github.io/litmus/litmus-operator-%s.yaml" % version
+    )
+    if "unable" in litmus_install:
+        logging.info("Unable to install litmus because " + str(litmus_install))
+        sys.exit(1)
 
     runcommand.invoke(
         "oc patch -n litmus deployment.apps/chaos-operator-ce --type=json --patch ' "
@@ -112,7 +117,7 @@ def check_experiment(engine_name, experiment_name, namespace):
     chaos_result = runcommand.invoke(
         "kubectl get chaosresult %s"
         "-%s -n %s -o "
-        "jsonpath='{.status.experimentstatus.verdict}'" % (engine_name, experiment_name, namespace)
+        "jsonpath='{.status.experimentStatus.verdict}'" % (engine_name, experiment_name, namespace)
     )
     result_counter = 0
     status = chaos_result.strip()
@@ -122,7 +127,7 @@ def check_experiment(engine_name, experiment_name, namespace):
         chaos_result = runcommand.invoke(
             "kubectl get chaosresult %s"
             "-%s -n %s -o "
-            "jsonpath='{.status.experimentstatus.verdict}'" % (engine_name, experiment_name, namespace)
+            "jsonpath='{.status.experimentStatus.verdict}'" % (engine_name, experiment_name, namespace)
         )
         status = chaos_result.strip()
         if result_counter >= max_tries:
@@ -139,7 +144,7 @@ def check_experiment(engine_name, experiment_name, namespace):
         chaos_result = runcommand.invoke(
             "kubectl get chaosresult %s"
             "-%s -n %s -o jsonpath="
-            "'{.status.experimentstatus.failStep}'" % (engine_name, experiment_name, namespace)
+            "'{.status.experimentStatus.failStep}'" % (engine_name, experiment_name, namespace)
         )
         logging.info("Chaos result failed information: " + str(chaos_result))
         return False

scenarios/node_io_engine.yaml

@@ -0,0 +1,35 @@
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: nginx-chaos
+  namespace: default
+spec:
+  # It can be delete/retain
+  jobCleanUpPolicy: 'retain'
+  # It can be active/stop
+  engineState: 'active'
+  chaosServiceAccount: node-io-stress-sa
+  experiments:
+    - name: node-io-stress
+      spec:
+        components:
+          env:
+            # set chaos duration (in sec) as desired
+            - name: TOTAL_CHAOS_DURATION
+              value: '40'
+
+            ## specify the size as percentage of free space on the file system
+            - name: FILESYSTEM_UTILIZATION_PERCENTAGE
+              value: '100'
+
+            ## Number of core of CPU
+            - name: CPU
+              value: '1'
+
+            ## Total number of workers default value is 4
+            - name: NUMBER_OF_WORKERS
+              value: '3'
+
+             ## enter the comma separated target nodes name
+            - name: TARGET_NODES
+              value: '<node_name>'

scenarios/node_mem_engine.yaml

@@ -0,0 +1,28 @@
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: nginx-chaos
+  namespace: default
+spec:
+  # It can be delete/retain
+  jobCleanUpPolicy: 'retain'
+  # It can be active/stop
+  engineState: 'active'
+  chaosServiceAccount: node-memory-hog-sa
+  experiments:
+    - name: node-memory-hog
+      spec:
+        components:
+          env:
+            # set chaos duration (in sec) as desired
+            - name: TOTAL_CHAOS_DURATION
+              value: '30'
+
+            ## Specify the size as percent of total node capacity Ex: '30'
+            ## Note: For consuming memory in mebibytes change the variable to MEMORY_CONSUMPTION_MEBIBYTES
+            - name: MEMORY_CONSUMPTION_PERCENTAGE
+              value: '30'
+
+            # ENTER THE COMMA SEPARATED TARGET NODES NAME
+            - name: TARGET_NODES
+              value: '<node_name>'