KubeInvaders is a gamified chaos engineering tool for Kubernetes. It is like Space Invaders but the aliens are PODs
KubeInvaders has been developed using Defold (https://www.defold.com/).
Through KubeInvaders you can stress your Openshift cluster in a fun way and check how it is resilient.
# Please set target_namespace to set your target namespace!
helm install --set-string target_namespace="namespace1\,namespace2" --name kubeinvaders --namespace kubeinvaders ./helm-charts/kubeinvaders
| Input | Action |
|---|---|
| n | Change namespace (you should define namespaces list. Ex: TARGET_NAMESPACE=foo1,foo2,foo3). |
| a | Switch to automatic mode. |
| m | Switch to manual mode. |
| h | Show special keys. |
| q | Hide help for special keys. |
| i | Show pod's name. Move the ship towards an alien. |
Set the following variables in Kubernetes Deployment or Openshift DeploymentConfig
| ENV Var | Description |
|---|---|
| ALIENPROXIMITY (default 15) | Reduce the value to increase distance between aliens |
| HITSLIMIT (default 0) | Seconds of CPU time to wait before shooting |
| UPDATETIME (default 1) | Seconds to wait before update PODs status (you can set also 0.x Es: 0.5) |
# Please set target_namespace to set your target namespace!
helm install --set-string target_namespace="namespace1\,namespace2" --name kubeinvaders --namespace kubeinvaders ./helm-charts/kubeinvaders
To Install KubeInvaders on your Openshift Cluster clone this repo and launch the following commands:
oc create clusterrole kubeinvaders-role --verb=watch,get,delete,list --resource=pods
TARGET_NAMESPACE=foobar,awesome-namespace
## You can define multiple namespaces ex: TARGET_NAMESPACE=foobar,foobar2
# Choose route host for your kubeinvaders instance.
ROUTE_HOST=kubeinvaders.org
# Please add your source ip IP_WHITELIST. This will add haproxy.router.openshift.io/ip_whitelist in KubeInvaders route
# https://docs.openshift.com/container-platform/3.9/architecture/networking/routes.html#whitelist
IP_WHITELIST="93.44.96.4"
oc new-project kubeinvaders --display-name='KubeInvaders'
oc create sa kubeinvaders -n kubeinvaders
oc adm policy add-cluster-role-to-user kubeinvaders-role -z kubeinvaders -n kubeinvaders
KUBEINVADERS_SECRET=$(oc get secret -n kubeinvaders --field-selector=type==kubernetes.io/service-account-token | grep 'kubeinvaders-token' | awk '{ print $1}' | head -n 1)
oc process -f openshift/KubeInvaders.yaml -p ROUTE_HOST=$ROUTE_HOST -p TARGET_NAMESPACE=$TARGET_NAMESPACE -p KUBEINVADERS_SECRET=$KUBEINVADERS_SECRET | oc create -f -How the configuration of KubeInvaders DeploymentConfig should be (remember to use your TARGET_NAMESPACE and ROUTE_HOST)
#Change with the namespace you want to stress
TARGET_NAMESPACE='foobar'
## You can define multiple namespaces ex: TARGET_NAMESPACE=foobar,foobar2
#Change with the URL of your Kubeinvaders
ROUTE_HOST=kubeinvaders.org
kubectl apply -f kubernetes/kubeinvaders-namespace.yml
kubectl apply -f kubernetes/kubeinvaders-deployment.yml -n kubeinvaders
kubectl expose deployment kubeinvaders --type=NodePort --name=kubeinvaders -n kubeinvaders --port 8080
kubectl apply -f kubernetes/kubeinvaders-ingress.yml -n kubeinvaders
kubectl create sa kubeinvaders -n foobar
kubectl apply -f kubernetes/kubeinvaders-role.yml
kubectl apply -f kubernetes/kubeinvaders-rolebinding.yml
TOKEN=`kubectl describe secret $(kubectl get secret -n foobar | grep 'kubeinvaders-token' | awk '{ print $1}') -n foobar | grep 'token:' | awk '{ print $2}'`
kubectl set env deployment/kubeinvaders TOKEN=$TOKEN -n kubeinvaders
kubectl set env deployment/kubeinvaders NAMESPACE=$TARGET_NAMESPACE -n kubeinvaders
kubectl set env deployment/kubeinvaders ROUTE_HOST=$ROUTE_HOST -n kubeinvaders
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