config update

config/config.yaml

@@ -9,10 +9,9 @@ kraken:
     chaos_scenarios:
         # List of policies/chaos scenarios to load
         - hog_scenarios:
-            - scenarios/kube/cpu-hog/input.yaml
-            - scenarios/kube/memory-hog/input.yaml
-            - scenarios/kube/io-hog/input.yaml
-            - scenarios/kube/io-hog/input.yaml
+            - scenarios/kube/cpu-hog.yml
+            - scenarios/kube/memory-hog.yml
+            - scenarios/kube/io-hog.yml
         - application_outages_scenarios:
             - scenarios/openshift/app_outage.yaml
         - container_scenarios:                             # List of chaos pod scenarios to load

scenarios/kube/cpu-hog.yml

@@ -1,9 +1,9 @@
 - duration: 30
-  workers: ''
+  workers: '' # leave it empty '' node cpu auto-detection
   hog-type: cpu
   image: quay.io/krkn-chaos/krkn-hog
   namespace: default
   cpu-load-percentage: 90
   cpu-method: all
-  node-selector:
+  node-selector: # leave it empty {} for random node selection
     node-role.kubernetes.io/worker: ''

scenarios/kube/io-hog.yml

@@ -1,5 +1,5 @@
 - duration: 30
-  workers: 4
+  workers: '' # leave it empty '' node cpu auto-detection
   hog-type: io
   image: quay.io/krkn-chaos/krkn-hog
   namespace: default
@@ -10,5 +10,5 @@
     name: node-volume
     hostPath:
       path: /root # a path writable by kubelet in the root filesystem of the node
-  node-selector:
+  node-selector: # leave it empty {} for random node selection
     node-role.kubernetes.io/worker: ''

scenarios/kube/memory-hog.yml

@@ -1,8 +1,8 @@
 - duration: 120
-  workers: 4
+  workers: '' # leave it empty '' node cpu auto-detection
   hog-type: memory
   image: quay.io/krkn-chaos/krkn-hog
   namespace: default
   memory-vm-bytes: 90%
-  node-selector:
+  node-selector: # leave it empty {} for random node selection
       node-role.kubernetes.io/worker: ''