- Label nods with label
k8s.ovn.org/egress-assignable=oc label node -l node-role.kubernetes.io/worker k8s.ovn.org/egress-assignable= - Install and start MetalLB via OperatorHub
Apply generic L2
oc apply -f - <<EOF apiVersion: metallb.io/v1beta1 kind: L2Advertisement metadata: name: l2advertisement namespace: metallb-system spec: ipAddressPoolSelectors: - matchExpressions: - key: pub.openshift.examples/tenant operator: Exists EOF
$ oc apply -k .
namespace/ingress-egress-demo-workload created
service/simple-http-server created
service/router-external-alpha created
deployment.apps/curller created
deployment.apps/simple-http-server created
egressip.k8s.ovn.org/egress-coe configured
ipaddresspool.metallb.io/alpha created
ingresscontroller.operator.openshift.io/alpha created
route.route.openshift.io/simple-http-server created$ curl http://simple-http-server.alpha.coe.muc.redhat.com
<!DOCTYPE html>
<html>
<body>
<h3>Hi,</h3>
I'm a simple socat+bash webserver running in
pod <strong>simple-http-server-76657bb998-m7cn2</strong> on node <strong>ocp1-worker-0</strong>
</body>
</html>Webserver log from curller requests
10.130.0.2 - - [08/May/2025:19:56:56 +0000] "GET /curller-b4749f775-2v2cb/ocp1-worker-0 HTTP/1.1" 404 153 "-" "curl/7.76.1" "10.32.105.73"oc delete --wait-false -k .
$ oc apply -k .
namespace/ingress-egress-demo-workload created
service/simple-http-server created
service/router-external-alpha created
deployment.apps/curller created
deployment.apps/simple-http-server created
egressip.k8s.ovn.org/egress-coe configured
ipaddresspool.metallb.io/alpha created
ingresscontroller.operator.openshift.io/alpha created
route.route.openshift.io/simple-http-server created
curl http://simple-http-server.alpha.coe.muc.redhat.com
<!DOCTYPE html>
<html>
<body>
<h3>Hi, 10.128.3.99</h3>
I'm a simple socat+bash webserver running in
pod <strong>simple-http-server-86cb4b688d-ksllg</strong> on node <strong>ocp7-worker-2</strong>
</body>
</html>Webserver log from curller requests
10.130.0.2 - - [08/May/2025:20:02:46 +0000] "GET /curller-7879f9bbdf-nqhsr/ocp7-worker-2 HTTP/1.1" 404 153 "-" "curl/7.76.1" "10.32.105.72"
10.130.0.2 - - [08/May/2025:20:02:51 +0000] "GET /curller-7879f9bbdf-nqhsr/ocp7-worker-2 HTTP/1.1" 404 153 "-" "curl/7.76.1" "10.32.105.73"