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Bug
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Resolution: Not a Bug
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Minor
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None
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4.10, 4.9
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None
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Quality / Stability / Reliability
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False
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No
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Description of problem:
Exposing a service by creating a route cannot be done with the --generator option if the oc client version is 4.12:
$ oc get clusterversions.config.openshift.io NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.12.2 True False 2d Cluster version is 4.12.2 $ oc version Client Version: 4.12.2 Kustomize Version: v4.5.7 Server Version: 4.12.2 Kubernetes Version: v1.25.4+a34b9e9 $ oc expose service nodejs-ex --type=NodePort --name=nodejs-ex-nodeport --generator="service/v2" error: unknown flag: --generator See 'oc expose --help' for usage.
Managing a cluster of a certain version should be done with the same version of the oc client. See remark at Installing the OpenShift CLI by downloading the binary .
However, although it is not recommended, you can use older versions of the oc client in an OCP cluster version 4.12. So, in case the oc client version is 4.10 or lower, you will be able to use the --generator to configure NodePort Service resource to expose a service:
$ ./oc get clusterversions.config.openshift.io
NAME VERSION AVAILABLE PROGRESSING SINCE STATUS
version 4.12.2 True False 2d Cluster version is 4.12.2
$ ./oc version
Client Version: 4.10.55
Server Version: 4.12.2
Kubernetes Version: v1.25.4+a34b9e9
$ ./oc expose service nodejs-ex --type=NodePort --name=nodejs-ex-nodeport --generator="service/v2"
service/nodejs-ex-nodeport exposed$ ./oc get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
nodejs-ex ClusterIP 172.30.200.3 <none> 8080/TCP 2m12s
nodejs-ex-nodeport NodePort 172.30.77.76 <none> 8080:30863/TCP 23s
In order to avoid misuse, our recommendation it is that Custumers will get an error when introducing command
oc expose service nodejs-ex --type=NodePort --name=nodejs-ex-nodeport --generator="service/v2"
in OCP4.12. In this way we avoid that a not allowed command in 4.12 is used.
Version-Release number of selected component (if applicable):
4.10
How reproducible:
Always
Steps to Reproduce:
1. OCP version 4.12 + co client version 4.10 or lower 2. oc expose service nodejs-ex --type=NodePort --name=nodejs-ex-nodeport --generator="service/v2" 3. service exposed
Actual results:
service exposed
Expected results:
error
Additional info:
Managing a cluster of a certain version should be done with the same version of the oc client.
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