$ kubectl apply -f ./deploy.yaml
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
leaderelection-968bc8fb4-g2pjr 1/1 Running 0 5m19s
leaderelection-968bc8fb4-p5rx6 1/1 Running 0 5m19s
leaderelection-968bc8fb4-ssmfl 1/1 Running 0 5m19s
leaderelection-968bc8fb4-tvrsj 1/1 Running 0 5m19s
leaderelection-968bc8fb4-zq762 1/1 Running 0 5m19s
$ kubectl logs -f leaderelection-968bc8fb4-g2pjr
I0415 20:02:12.342517 1 leaderelection.go:248] attempting to acquire leader lease leaderelection-example/lock...
2022/04/15 20:02:12 New leader is "leaderelection-78c5b56b9-4d8bx"
2022/04/15 20:02:22 New leader is "leaderelection-968bc8fb4-p5rx6"