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Questions tagged [openshift-3]

Redhat rolled out Openshift version 3 which is having a totally different architecture than its earlier version referred as 'Openshift' or 'Openshift V2'.

Please check the details here.

All the queries on Openshift V2 or earlier are commonly tagged as 'openshift'. However, the same is no longer valid for Openshift V3. While Openshift V2 and V3 would co-exist for some time, it is more appropriate to tag all V3 related queries under this tag (Openshift-3).

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K8s/Openshift - does the replication controller care about exit status of pod/containers?

The duty of replication controller in K8S/Openshift is to ensure the actual state is same as desired state. So if the desired state is 2 Pods, then it ensures that exactly 2 pods are created/running. If a pod fails for some reason then the…
joven
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Unable to login Openshift Cluster

After the upgrading kubectl, I am unable to login on Openshift cluster. When i am trying to login with oc login command it is reverting the below error message: Error: unknown command "login" for "kubectl" Did you mean this? logs plugin Run…
Imtiaz Ahmed
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Using Let's Encrypt with openshift-acme

I'm trying to use openshift-acme to get proper certificates from Let's Encrypt for a nodejs app running in a Openshift 3.11 cluster. https://github.com/tnozicka/openshift-acme I don't know how to set this up in the route for the app. Could someone…
GoveeBee
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How to extend the validity of openshift kublet-server, kublet-client certificates of all the nodes?

I have deployed openshift(okd) 3.11 using : https://github.com/openshift/openshift-ansible/tree/release-3.11 I would want to extend the validity of all the certificates to 5 years or more. I have tried set following variables in the…
Rakesh Kotian
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Is there a way to give read & write access of secrets only to ADMIN user in openshift?

I want to restrict the read & write access of secrets only to the users with ADMIN roles in openshift. If a user is a normal user, he can access everything except the secrets(he can't reveal the secrets and edit also). Is there any way to do…
Sukanya Mallick
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Openshift Deleted Cronjob Still Running

I made a cronjob in OpenShift 3.11 with a restartPolicy of Always. However, when I deleted this cronjob, and the associated jobs, the jobs were (and currently are, as of writing this) still running. I cannot figure out how to stop the job though,…
Seth Wheeler
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OpenShift Login failed (401 Unauthorized)

I'm new to openshift or K8'S. I have installed Openshift v3.11.0+bf985b1-463 cluster in my centos 7. While running prerequisites.yml and deploy_cluster.yml run status is successful. And i have updated htpasswd and granted the cluster-admin role for…
Kavinithees
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Unit for resources under Pod overview

This is under the Pod Overview of openshift 3.1.1. What is the Unit of y axis for RAM (what is B?), CPU Shares, and File System (Supposely MB?)? On the memory when I click on it, and when it goes to Prometheus, it shows as in the following:
william007
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replicas=1 - does it mean 1 pod or 1 pod + 1 replica running?

I am using openshift 3.11 In the spec below I got from https://docs.openshift.com/enterprise/3.0/architecture/core_concepts/deployments.html, does it mean 1 pod is running, or 1 pod + 1 replica is running?
william007
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Openshift: list unused secrets

I have lots of secrets since last year and not sure which ones are in use by applications. Since I don't want to accidently delete in-use secret, I want to use oc.exe CLI and find all unused secrets. Somewhere I found the below cmd however it throws…
Anuj
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openshift 3.12 websocket ERR_CONNECTION_ABORTED

I would like to start websocket connections (ws://whaterver) in OpenShift but somehow they always ends with ERR_CONNECTION_ABORTED immediately (new WebSocket('ws://whatever'). First I thought that the problem is in our application but I created a…
kfr
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Accessing a RestClient from quarkus graphQL gives RESTEASY004655: Unable to invoke request: javax.net.ssl.SSLHandshakeException error

I have a quarkus-graphql, quarkus-restservice and a openliberty restservice running in openshift in different namespaces. Quarkus-graphql is accessing the restservices using RestClient. In all the applications tls.key and tls.crt are created by the…
funtoos
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How can I debug this unexplained Openshift 3 pod going into crashloop when serving a spring boot app?

I am trying to move a Spring boot application onto a openshift 3 cluster. I am using the Maven fabric8 plugin to generate most of the openshift boilerplate config as well as performing the S2I build. When my pod starts up I can see in the log…
user2094257
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Openshift 3 installation issue

I am installing Openshift 3.11 version cluster on my Centos 7.8 VMS. The configuration is that there are there are three Centos VMs (one master node + two worker nodes). I have configured my inventory file also and 'prerequisites.yml' playbook also…
Aditya Datta
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Openshift 3.11 cloud integration fails with lookup RequestError: send request failed\\ncaused by: Post https://ec2.eu-west-.amazonaws.com

Following the docs: https://docs.openshift.com/container-platform/3.11/install_config/configuring_aws.html#aws-cluster-labeling Configuring the cloud integration after the cluster build. When the cluster services are restarted on the masters it…
user45097
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