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Questions tagged [openshift-origin]

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

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57 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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16 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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28 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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19 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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18 views

Linux net-snmp, now to ignore mountpoints in HOST-RESOURCES-MIB::hrFSMountPoint

I'm running an openshift cluster which is monitored via SNMP. One of the alarms checks HOST-RESOURCES-MIB::hrFSMountPoint for mounted disk usage, and it's catching all of the dynamically-mounted ...
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1answer
91 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
15 views

UnicodeDecodeError during installation of OpenShift Container Plattform via Ansible Playbook

I'm trying to setup an openshift cluster using ansible on RHEL7. I configured everything in /etc/ansible/hosts according to the official setup instructions. However, while running the installation ...
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31 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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23 views

assign clusterrole to serviceaccount in openshift

We have a serviceaccount created within an openshift project oc -n platform create sa foo. If we describe this sa we get the following: Name: foo Namespace: platform Labels: ...
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0answers
31 views

External connection to MongoDB hosted in OpenShift [duplicate]

I have a situation where I have an application on a server that need to connect to it's database, in that case MongoDB cluster. The MongoDB cluster in question is hosted in a OpenShift platform. I ...
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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
105 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
247 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
65 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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0answers
138 views

Ceph vs GlusterFS for elasticsearch storage

Elasticsearch will be holding logs mostly, so we expect sequential read/writes. Does anyone have experience on this? Elasticsearch will run via openshift, if it makes any difference.
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1answer
48 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
50 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
45 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
118 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
762 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
252 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
140 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
391 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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105 views

What are HAProxy defaults for DDoS protections in Openshift 3.6?

Openshift documentation details how to configure HAProxy to prevent DDoS attacks, but the docs make no mention of default values. If these are not set explicitly, what are the defaults (if any)? ...
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1answer
55 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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27 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
365 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
71 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
202 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
261 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
102 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
107 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
348 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
4k 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
368 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
154 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 ...
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1answer
523 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
73 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
592 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
471 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 ...
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1answer
216 views

No account in openshift has cluster-administration privileges.

I have a fresh install of openshift and I am logged in with credentials system:admin(via oc). When I try to get the list of the routers, I get this: [root@centos2 master]# oadm router --dry-run --...
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1answer
347 views

How to share or encrypt sensitive git repos

My organization is using Openshift for running several applications. Our policy thus far has been to always store sensitive values (DB passwords, API keys, etc) in environment variables and never as ...
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1answer
178 views

Fresh installation of openshift origin - router and registry services missing

I am installing openshift origin on centos using this tutorial: https://www.stevem.io/post/getting-started-with-openshift-v3-on-vmware/ Ansible installation was successful, I can see kubernetes node ...
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1answer
88 views

OpenShift on OpenStack

Start of master fails with error: 6109 start_master.go:103] could not init cloud provider "openstack": Post http://10.175.1.110:5000/v2.0/tokens: dial tcp 10.175.1.110:5000: i/o timeout The IP ...
3
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1answer
2k views

Best way to run OpenShift Origin in AWS

I'm trying to create a production-ready Openshift Origin environment in AWS. I have experience with Kubernetes and CoreOS and kube-aws just makes things easy. You generate assets, run CloudFormation ...
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1answer
207 views

FC persistentvolume: What is the LUN number?

I'm trying to understand how to use fibre channel with OpenShift/Kubernetes persistent volumes. At https://docs.openshift.com/enterprise/3.1/install_config/persistent_storage/...
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1answer
404 views

OpenShift Origin asks for credentials

I had a cluster OpenShift with a master and a node. Today, it doesn't work anymore, OpenShift continously asks me the credentials, the following is the command and the output: [root@openshift-master ~...
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1answer
878 views

OpenShift node not connecting to image registry

I configured openshift and everything is working properly on host where docker-register is started. When i added new node and i try to deploy containers on it i have such error in logs: E0519 10:51:...
2
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1answer
3k views

Can't reach a Kubernetes service on a guest node

I have tried to run the guestbook example in Kubernetes Github repository but I can't reach this service from my local host. My test enviroment consists of two virtual machines (with CentOS7) ...
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2answers
446 views

Volume migration with OpenShift

I'm a bit confused with persistent volumes in OpenShift and I'm wondering what happens if a pod with a persistent volume fails, is that volume lost forever? Is it possible to migrate a volume to ...