OpenShift Origin (OKD) 3.10 : Deploy Router2018/08/22 |
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Deploy Router that is used within OpenShift Cluster.
If you installed OpenShift Origin like here, a Router Pod has already been deployed and running, but if it has not be running by some reason, configure it like follows.
This example is based on the environment like follows.
-----------+-----------------------------------------------------------+------------
|10.0.0.25 |10.0.0.51 |10.0.0.52
+----------+-----------+ +----------+-----------+ +----------+-----------+
| [ ctrl.srv.world ] | | [ node01.srv.world ] | | [ node02.srv.world ] |
| (Master Node) | | (Compute Node) | | (Compute Node) |
| (Infra Node) | | | | |
| (Compute Node) | | | | |
+----------------------+ +----------------------+ +----------------------+
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| [1] | Make sure the default Router which Installer has configured exists or not. |
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[origin@ctrl ~]$
[origin@ctrl ~]$ oc adm router --dry-run --service-account=router Router "router" service exists oc get pods NAME READY STATUS RESTARTS AGE docker-registry-1-4rkv8 1/1 Running 1 1d registry-console-1-62j9p 1/1 Running 1 1d router-1-97bzn 1/1 Running 1 1d # if you'd like to delete default Router, do like follows [origin@ctrl ~]$ oc delete all -l router pod "router-1-97bzn" deleted replicationcontroller "router-1" deleted service "router" deleted deploymentconfig.apps.openshift.io "router" deleted[origin@ctrl ~]$ oc delete serviceaccounts router serviceaccount "router" deleted [origin@ctrl ~]$ oc delete clusterrolebindings router-router-role clusterrolebinding.authorization.openshift.io "router-router-role" deleted |
| [2] | On Master Node, Create and deploy Router. On this example, create a HAProxy Router Pod which is the same settings with default Router Installer configures on [node01.srv.world] Node. |
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[origin@ctrl ~]$ oc adm router router --selector='kubernetes.io/hostname=node01.srv.world' --replicas=1 --service-account=router
info: password for stats user admin has been set to fLgkdnujaK
--> Creating router router ...
serviceaccount "router" created
clusterrolebinding "router-router-role" created
deploymentconfig "router" created
service "router" created
--> Success
# few minutes later, deploy has finished and Pod becomes running state [origin@ctrl ~]$ oc get pods NAME READY STATUS RESTARTS AGE docker-registry-1-4rkv8 1/1 Running 1 1d registry-console-1-62j9p 1/1 Running 1 1d router-1-gfc99 1/1 Running 0 55s |
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