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Scale_and_move_routers_to_infra.md

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Scale and move routers to infra

References:

As we have 3 infra nodes here it seems reasonable to also scalte the routers to 3:

Check where router pods are running

<laptop-2>$ oc get po -o wide -n openshift-ingress
NAME                              READY   STATUS    RESTARTS   AGE   IP            NODE                                         NOMINATED NODE   READINESS GATES
router-default-7cdd759b6b-fvpwn   1/1     Running   0          20h   10.131.0.13   ip-10-0-177-190.us-west-2.compute.internal   <none>           <none>
router-default-7cdd759b6b-x69pv   1/1     Running   0          20h   10.128.2.7    ip-10-0-148-134.us-west-2.compute.internal   <none>           <none>
<laptop-2>$

patch ingresscontroller

<laptop-2>$ 
oc patch ingresscontroller/default -n  openshift-ingress-operator  --type=merge -p '{"spec":{"nodePlacement": {"nodeSelector": {"matchLabels": {"node-role.kubernetes.io/infra": ""}}}}}'
ingresscontroller.operator.openshift.io/default patched
<laptop-2>$ 
<laptop-2>$ oc patch ingresscontroller/default -n  openshift-ingress-operator  --type=merge -p '{"spec":{"replicas": 3}}'
ingresscontroller.operator.openshift.io/default patched
<laptop-2>$

Validate router pods

<laptop-2>$ oc get po -o wide -n openshift-ingress
NAME                              READY   STATUS    RESTARTS   AGE     IP             NODE                                         NOMINATED NODE   READINESS GATES
router-default-58c44676ff-gvpth   1/1     Running   0          6m21s   10.128.1.40    ip-10-0-157-223.us-west-2.compute.internal   <none>           <none>
router-default-58c44676ff-hft5r   1/1     Running   0          37s     10.130.0.131   ip-10-0-206-223.us-west-2.compute.internal   <none>           <none>
router-default-58c44676ff-lk8vb   1/1     Running   0          6m21s   10.129.0.61    ip-10-0-173-122.us-west-2.compute.internal   <none>           <none>
<laptop-2>$ 
<laptop-2>$ oc get po -o wide -n openshift-ingress |egrep -v $CP_NODES
NAME                              READY   STATUS    RESTARTS   AGE     IP             NODE                                         NOMINATED NODE   READINESS GATES
<laptop-2>$

Now, as router is moved on the infra nodes, we can continue with OpenShift registry