Questions tagged [openshift-origin]

OpenShift Origin is an open source Platform-as-a-Service application hosting platform.

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28 views

OpenShift rsync error

I am developing a python3 script which replicates data from PersistentVolumeClaims mounted in a pod, via rsync. This script is executed in a pod, therefore, the rsync connection is from a pod to ...
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15 views

Using floating IP for load-balanding OpenShift/OKD control plane

On-prem OpenShift installation requires load-balancer over the control plane, and does so already for installation. Now this cluster will be local, with the control plane only accessible inside ...
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1answer
83 views

GlusterFS Volume Creation Suggestion

I have to deploy multiple Openshift Clusters from 3 nodes to 10 nodes. For 3 nodes i am creating volumes as replicated. But for 4 and above it doesn't look nice to create replicated volume, so each ...
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69 views

MySQL - [Note] Got an error reading communication packets

I have deployed MySQL on OpenShift (kubernetes) with GlusterFS as persistent storage and i am getting following error continuously in MySQL Container logs 2020-01-17T18:00:04.787586Z 1541 [Note] Got ...
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35 views

Create MariaDB cluster across 2 seperated OpenShift clusters

Good day, I am looking to create a MariaDB cluster in OpenShift/Kubernetes. The caveat, is that my cluster need to be ''spanned'' across 2 seperated OpenShift/Kubernetes clusters. I am trying to ...
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1answer
524 views

Why can't Openshift cannot access metrics API but metrics is setup?

I am trying to get autoscaling working on openshift OKD. I am using Openshift 3.11. So I have installed metrics and Hawkular metrics and set the url's and set the host files to point to it. Getting ...
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1answer
28 views

Is Openshift OKD multitenant to external customers or to users?

Is Openshift OKD meant to be something you can deploy on a per customer basis, so their user's have multitenancy? Or is it meant to be a single huge openshift okd cluster than you deploy on which all ...
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0answers
107 views

Install Istio latest on OKD 3.11

Is there a way to install Istio latest operator on OKD 3.11 and if yes what it is. I am succeeding to install older and not official versions. I know the official version requires subscription so I ...
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0answers
21 views

running sles containers on OKD cluster

My company builds various products that are specific to certain operating systems. So we don't have a linux build, we have a sles11, sles12, sl15, etc build. I am trying to move some of this stuff ...
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72 views

Openshift pull from private Repo

My organization is actually using Openshift Origin 3.11. Here we have a problem with the communication between openshift and our companywide bitbucket server. If we try to create an App with code ...
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2answers
157 views

Kubernetes DaemonSet Pod exceeds memory limit but is not killed

We use kubernetes (specifically: openshift) to run our infrastructure in our team. One of the daemonsets, fluentd, is currently causing a lot of trouble, frequently taking full nodes down with huge ...
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1answer
272 views

How to have different NodeSelector config on pods within a StatefulSet

I have an Openshift cluster which spans multiple datacenters. Each data center has a zone configured such that a NodeSelector can be used to choose which data center a pod gets allocated in. I also ...
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28 views

OpenShift 4 AWS: How to preserve ElasticIPs during instance restart?

I currently have an OpenShift 4 test cluster on AWS. I have a problem with shutting down the EC2 instances for saving money and then restarting them. The OpenShift installer deploys a bunch of EC2 ...
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1answer
504 views

OpenShift 3.11: Edit Prometheus config managed by Operator

OpenShift 3.11 has a builtin Prometheus/Alertmanager/Grafana Stack, which is managed by an Operator. The default Prometheus settings are written in a secret called prometheus-k8s. I'd like to know ...
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1answer
376 views

openshift_logging_es_nodeselector install EFK on infra nodes

I am trying to install EFK on my cluster and am having problems. here is my node description snip (okd 3.11) metadata: name: okdmastertest.labtest.mycomapny.com selfLink: /api/v1/nodes/...
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1answer
183 views

OKD Install fails on prereqs configuring SELinux with docker

This has happened on over 12 machines now. Both older configured CentOS7 machines and brand new ISO installs. When i run the OKD prerequisites install, branch release-3.11, I get everything running ...
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0answers
84 views

Not able to deploy Openshift on AWS using QuickStart Guide

Thanks for your support. I am trying to deploy the Open-shift on aws using AWS Quickstart guide, as mentioned here. My deployment is gets Rollback as it is unable to deploy below resources: ...
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37 views

How to pull Docker image out of OpenShift

We are currently using OpenShift, and we want to use Docker instead. We just started attempting the migration. We do not use Docker images to deploy to OpenShift. Rather, the deployments were ...
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0answers
84 views

Automatic DB creation with MongoDB in Kubernetes or OpenShift

I have a MongoDB cluster in Kubernetes, it's pushed to Kube with a StatefulSet type of deployment. That part work's good, I can even create 1 DB with variables starting with that... My question is, ...
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1answer
117 views

In OpenShift Origin, I need to generate keys and certificates in order to make my connection secure. Where do these keys come from?

In OpenShift Origin, I need to generate keys and certificates in order to make my connection secure. Where do these keys come from? These keys are in PEM format, and I really don't know where to find ...
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1answer
2k views

Can't authenticate to cassendra: cannot achieve consistency level LOCAL_ONE

Context: We have a Cassandra cluster with 3 nodes deployed as a Stateful Set in Openshift. The three nodes are configured in the same datacenter, same rack. I also made a script to test the ...
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0answers
328 views

OpenShift Master not starting - assetConfig.servingInfo invalid value “”

I've installed OpenShift Enterprise 3.2 on a RHEL 7 system using the official advanced documentation using this template. My installation currently consists of 2 machines: a master and a node. I ran ...
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1answer
39 views

I have several running pods, how do I add a replication controller to those existing pods?

Here is the scenario. I have a bunch of pods, services and routes already created. However there is no replication controller. How do I just add a replication controller to those existing objects. ...
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1answer
838 views

Postgres crash loop caused by a tuple concurrently updated error

Sometimes when starting Postgres POD in OpenShift following error code is being shown pg_ctl: another server might be running; trying to start server anyway waiting for server to start....LOG: ...
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1answer
2k views

Openshift installation playbook failing

I'm trying to install 2-node cluster with origin version 3.10 (one master, one node). Playbook fails on task openshift_control_plane : Wait for control plane pods to appear Initialization ...
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0answers
345 views

Run initdb with user having write rights, but not owner of pgdata directory

I'm running initdb in docker image (official Postgres image) in Openshift environment, with sets the strict security policy, that user that will run the container will have random UID, but GID will be ...
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1answer
385 views

My storage partition set aside for docker is not recognised as a valid block device

I'm trying to setup an openshift cluster on linode. I have set aside some disk space (via linode admin dashboard) for docker to use for storage. Unfortunately, I can't get it to be recognised as a ...
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0answers
150 views

Openshift: Get process namespace by process ID

Currently we have a situation where some applications running on our OpenShift cluster request very high resource load, and thus making the worker node they are running on unresponsive. However, we ...
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1answer
96 views

Upgrading Openshift-Ansible: Failed to GET hostsubnet

Introduction I am attempting to upgrade my installation of Openshift-Ansible from 3.6 to a higher version. Currently, I'm running the following in an attempt to upgrade to v3.7: ...
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1answer
175 views

Ansible = use facts as variables in inventory file

I'm using Ansible to install and configure Red Hat OpenShift. One of the challenges I'm currently facing is with setting up LDAP auth using a playbook. I need to add the following variable to the ...
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1answer
5k views

How do I fix OpenShift permission denied error?

I'm try to run OrientDB docker container in OpenShift. I encounter a permissions error when it tries to deploy. I'm using a Mac. This is the error: /orientdb/bin/server.sh: line 114: can't create /...
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1answer
493 views

How to provide MySQL my.cnf after S2I has run

In the Red Hat Software Collections MySQL container, I see that you can set MYSQL_DEFAULTS_FILE to indicate the path to a completely different my.cnf file. When used in OpenShift, I don't understand ...
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0answers
333 views

Cannot access OpenShift console using Chrome

I'm really new to OpenShift and system administration. I installed OpenShift on a OVH VPS server, following this tutorial Now, I want to access the OpenShift Console, which should be accessible from ...
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1answer
467 views

Openshift baremetal install vs cloud (Openstack IaaS) and node count

We are looking at installing Openshift and have the choice of installing on baremetal (64 physical nodes) or Openstack (IaaS consisting of 64 physical nodes). We are trying to work out the advantages ...
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1answer
88 views

Openshift: Deployments with Rolling Strategy and Persistent Volume(RWO) tends to Fail

I have deployed a django application openshift, provided as PaaS by a company to us. I have added Persistent Volume with this deployment with is RWO(Read Write Once). I don't use that volume elsewhere....
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0answers
54 views

Specify the port for route openshift

Is there a way to specify the port that is exposed for a route? I would like to expose a dedicated port (not 80 or 443) Regards Geoffrey
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0answers
655 views

LDAP Group Mapping Openshift Origin

I have a problem with the groupmapping in Openshift. Here is my ad-config.yaml: kind: LDAPSyncConfig apiVersion: v1 bindDN: "ldapuser" bindPassword: "ldappwd" insecure: true url: "ldap://ldap.mycomp....
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1answer
102 views

OpenShift / Docker thin provisioning

I've been looking at OpenShift Origin documentation and tutorials for the past two days and I have a few questions if you guys can help me; For Docker’s thin provisioning configuration for production ...
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1answer
355 views

How can I get Tomcat that is in a Docker container and OpenShift to work together

I've got a Docker container which runs Tomcat that is hosting Ozone Widget Framework. If I start OpenShift and then try to start the Docker image that contains Tomcat/OWF I get a port conflict. If I ...
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1answer
491 views

Unable to curl Nginx rhel docker container

Dockerfile: FROM registry.access.redhat.com/rhel WORKDIR /usr/src RUN yum-config-manager --save --setopt=rhel-7-server-rt-beta-rpms.skip_if_unavailable=true # Install Nginx Repository RUN yum ...
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1answer
119 views

OpenShift installation and Kubernetes dependency

Do we need installed and working kubernetes to intall OpenShift or it is right now standalone solution? I don't see any information about it in any of example installation procedure eg: https://...
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0answers
245 views

Simulate MongoDB replicaset on Openshift

I am currently working on a project and I am using openshift as paas. Basically it fit to all my needs. I have my website, my statics and my api webserver. Only my api webserver is calling my DB ...
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1answer
601 views

Openshift 3 installation failed

I am getting several issues when trying to install Openshift 3 with ansible. All the errors are differents at each installation but they always rely on a pair of node Version openshift-ansible from ...
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3answers
10k views

How to list users with role cluster-admin in OpenShift?

I can add users to the cluster-role "cluster-admin" with: oc adm policy add-cluster-role-to-user cluster-admin <user> But how can I list all users with the role cluster-admin? Environment: ...
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2answers
526 views

How to redirect root domain to www using Openshift v2 and nginx?

I am not able redirect my example.com request to www.example.com and they are now both different websites, pointing to the same application. Background: I have installed php 7 with nginx on ...
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1answer
200 views

Openshift import-image fails to pull because of certification errors, however docker does

i have created a TLS private docker registry. I have updated the ca-trust in the machine that I want to pull from and it works, curl works without the -k parameter, docker can pull etc. However, the ...
2
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1answer
785 views

Integrate external jenkins pipelines to openshift

I want to integrate my existing jenkins pipelines(external server) to openshift. I have found many commands about manipulating openshift through jenkins, but what I want to achieve is in the following ...
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0answers
79 views

openshift cannot create imagestreammappings in project, error message in private registry.

when I push to the registry, I get a 500 internal error message. Openshift registry logs are: time="2017-03-01T07:46:47.970130059Z" level=error msg="response completed with error" err.code=...
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1answer
644 views

Unable to rhc setup to my openshift cluster

I am unable to setup my server with rhc setup. This is my output This wizard will help you upload your SSH keys, set your application namespace, and check that other programs like Git are properly ...
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0answers
527 views

Openshift can not add node due to self-signed certification

I am trying to add a node to my openshift master via openshift ansible playbooks. I try to add the node with the following command(it starts from systemd) /usr/bin/docker run --name origin-node --rm ...