k8s-leader-election

k8s-leader-election

Leader election example leveraging the leaderelection pkg from the k8s client.

Usage

1. Create a k3d cluster: make cluster
2. Deploy the leader-election app: make deploy
3. Get the current lease holder:

kubectl get lease leader-election -o=jsonpath='{.spec.holderIdentity}'

1. Kill the current lease holder:

kubectl delete pod $(kubectl get lease leader-election -o=jsonpath='{.spec.holderIdentity}')

1. After waiting the leaseDuration period (60s) a new leader will be elected.

License

MIT