Questions tagged [openshift]
OpenShift is a commercial enterprise-ready container platform built on top of Kubernetes which allows you to run containerized applications
559
questions
378
votes
10
answers
794k
views
Using env variable in Spring Boot's application.properties
We are working on a Spring Boot web application, and the database we are using is MySQL;
the setup we have is we first test it locally (means we need to install MySQL on our PC);
then we push to ...
158
votes
7
answers
44k
views
rhc setup gives error `no such file dl/import`
I'm installing openshift client tools as described: https://developers.openshift.com/en/getting-started-windows.html#client-tools.
On step 'Setting up Your Machine' I got error:
rhc setup
C:/...
104
votes
11
answers
55k
views
Can I use my existing git repo with openshift?
Is it necessary to have git repo on openshift only? I already have bitbucket / github git repo and would prefer to push there only. Can I simply hook into it so that openshift gets intimation ?
Or ...
227
votes
14
answers
300k
views
How can I debug "ImagePullBackOff"?
All of a sudden, I cannot deploy some images which could be deployed before. I got the following pod status:
[root@webdev2 origin]# oc get pods
NAME READY STATUS ...
19
votes
5
answers
12k
views
JDK 8 support at DIY cartridge in OpenShift
I know WildFly cartridge doesn't have JDK support, but can I somehow install Java 8 at experimental DIY cartridge? java-1.7.0 is the latest version available at /usr/lib .
27
votes
3
answers
38k
views
Kubernetes ConfigMap size limitation
Though resourceQuotas may limit the number of configmaps in a namespace, is there any such option to limit the size of the individual configmap?
I will not like some user to start uploading large text ...
21
votes
1
answer
15k
views
OpenShift: How to connect to postgresql from my PC
I have an openshift app, and I just installed a postgresql DB on the same cartridge.
I have the postgresql DB installed but now I want to connect to the DB from my PC so I can start creating new ...
13
votes
4
answers
20k
views
how to connect to the database in openshift application
I did as following
MySQL 5.1 database added. Please make note of these credentials:
Root User: xxxxxxx
Root Password: xxxxxxx
Database Name: php
Connection URL: mysql://$...
10
votes
2
answers
8k
views
OpenShift: "Failed to execute control start" on node application
I realize in advance this is kind of a vague question, but I'm stumped as to what else I can try here...
I've been going through other SO questions and following their recommendations but so far ...
3
votes
1
answer
1k
views
Pandas on OpenShift v3
Now that OpenShift Online V2 has announced its end of service, I am looking to migrate my Python application to OpenShift Online V3, aka OpenShift NextGen. Pandas is a requirement (and listed in ...
24
votes
4
answers
13k
views
Deploying a local django app using openshift
I've built a webapp using django. In order to host it I'm trying to use openshift but am having difficulty in getting anything working. There seems to be a lack of step by steps for this. So far I ...
5
votes
1
answer
1k
views
Do Openshift Origin jobs need hard-coded internal registry URLs for images?
I can't figure a namespace-portable way to build an image into an imagestream that can then be used for a job in an OpenShift project namespace without hard-coding the internal registry URL in the job ...
67
votes
22
answers
359k
views
SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known
I download from https://github.com/luciddreamz/laravel Laravel for openshift
then upload over my repository over github. This code for connect to database not work.
The problem is that load variable ...
31
votes
3
answers
39k
views
Share persistent volume claims amongst containers in Kubernetes/OpenShift
This may be a dumb question but I haven't found much online and want to clarify this.
Given two deployments A and B, both with different container images:
They're deployed in two different pods(...
19
votes
9
answers
13k
views
Application 'appname' failed to start (port 8080 not available) on open shift node app
I have written a node restify server in coffee and I can't seem to get it running.
While deploying I get the following error:
Waiting for application port (8080) become available ...
after which ...
12
votes
5
answers
31k
views
ETIMEDOUT connect error using nodemailer in Nodejs Openshift application
I'm facing some problems using the nodemailer module in my node.js single gear non-scalable application in Openshift. As the documentation suggested, I initialized the transporter object and used the ...
12
votes
1
answer
11k
views
OpenShift node.js Error: listen EACCES
I have been using OpenShift with node.js and socket.io. My code is:
server.listen(process.end.OPENSHIFT_NODEJS_PORT || 3000);
My code says that it returns port 8080.
However, I get this error:
...
10
votes
1
answer
4k
views
Openshift: No nodes are available that match all of the following predicates:: Insufficient cpu (173), MatchNodeSelector (5)
I have a project in west-1 on Openshift v3. In it I have an app that worked fine and one that stopped working following a GitHub committing something very downstream within the code. The issue is with ...
10
votes
2
answers
10k
views
WebSocket connection to OpenShift app failed
I created an app with NodeJS and I'm using ws module. If I test the app in localhost it works and there isn't any problem to connect websockets. Now I've upload the app to Openshift and when I try to ...
7
votes
1
answer
3k
views
List pods that are servicing a service
I am trying to get the list of pods that are servicing a particular service
There are 3 pods associated with my service.
I tried to execute the below command
oc describe svc my-svc-1
I am expecting to ...
6
votes
2
answers
7k
views
Install python packages on OpenShift
I'm trying to install python packages on OpenShift but I see a dearth of pages about the best way to do this. Can someone please suggest the best way of getting on say oauth2 and simplejson. I've ...
3
votes
2
answers
2k
views
NoSuchMethodError: javax.persistence.JoinColumn.foreignKey()
I'm trying to deploy my application on OpenShift (JBoss Enterprise Application Platform 6) and I get the NoSuchMethodError mentioned in the title. So I googled the whole thing and found a few articles ...
1
vote
1
answer
2k
views
fatal: protocol error: bad line length character: Inva
while cloning repositories from bpm suite installed in Openshift.I am getting the following git error.
fatal: protocol error: bad line length character: Inva
Please help me to fix this.
39
votes
4
answers
15k
views
How to use naked GoDaddy domain with OpenShift hosting? [closed]
Desired Behaviour
I have a GoDaddy domain name and am using OpenShift for hosting.
I would like the following to be true:
a) user enters www.mysitename.com > user sees mysitename.com
b) user ...
32
votes
2
answers
89k
views
How to include script and run it into kubernetes yaml?
It is how to run simple batch in kubernetes yaml (helloworld.yaml):
...
image: "ubuntu:14.04"
command: ["/bin/echo", "hello", "world"]
...
In Kubernetes i can deploy that like this:
$ kubectl ...
32
votes
1
answer
16k
views
Deploying Ruby on Rails - Is there a good alternative for Heroku? [closed]
I'm starting a new small venture, a POC if you would like, and I want to deploy my Rails application for free somewhere.
I found that there is Heroku, are there another options?
27
votes
5
answers
18k
views
Looking for PaaS providers recommendations [closed]
I want to develop our new project using a PaaS provider. I'll be developing primary in PHP, but would like that the service can provide other languages too (and add-ons available too, like MongoDB, ...
27
votes
5
answers
39k
views
Openshift: How to remote access MySQL?
So I just finished setting up a JBoss application server gear on Openshift and I attached a MySQL and phpmyadmin cartridges. My question is if there is a way to remote access to the database server ...
24
votes
1
answer
10k
views
How to configure Django on OpenShift? [closed]
I recently tried to export a Django project on OpenShift, but fruitlessly. The only solutions I found were "prebuilt" ones (such as https://github.com/openshift/django-example).
I spent some hours ...
22
votes
5
answers
28k
views
How to solve liquibase waiting for changelog lock problem in several pods in OpenShift cluster?
We are supporting several microservices written in Java using Spring Boot and deployed in OpenShift. Some microservices communicate with databases. We often run a single microservice in multiple pods ...
19
votes
5
answers
39k
views
permission denied, mkdir in container on openshift
I have a container with nodejs and pm2 as start command and on OpenShift i get this error on startup:
Error: EACCES: permission denied, mkdir '/.pm2'
I tried same image on a Marathon hoster and it ...
10
votes
2
answers
3k
views
How can I auto-deploy my git repo's submodules on push?
I have a PHP Cartridge that is operating normally, except I can't find a straightforward way to get OpenShift to (recursively) push the files for my git submodules when/after it pushes my core repo ...
9
votes
6
answers
10k
views
Application failed to start (port 8080) not available
I am trying to deploy my node.js application (with express and mongoose) to openshift and I am not able to do so. The application works perfectly on my local environment.
my entry point is the file /...
8
votes
2
answers
6k
views
DNS Settings: OpenShift with CloudFlare / rhcloud
I am trying to set up DNS forwarding on CloudFlare, to my Openshift page (the-domain.rhcloud.com).
But when I go into the CloudFlare DNS settings and try to change the A setting, I get this error:
...
5
votes
2
answers
4k
views
Openshift Layer4 connection, App Won't Start
I recently pushed a set of node.js changes to an app on Openshift. The app runs fine on my local machine and is pretty close to the vanilla example deployed by Openshift. The Openshift haproxy log has ...
5
votes
5
answers
4k
views
Static files on OpenShift Django
I'm having issues serving up static files - i.e. style sheets and images required from my html pages. I cannot seem to fathom why these static images are not being found. Here is what I have in my ...
4
votes
2
answers
1k
views
Openshift and net-ssh incompatibility? (2.9.3-beta1 vs 2.9.2)
by searching to access my Postgres DB on Openshift, i'm currently facing problem using net-ssh.
At this step - note that the installed Ruby version is 2.2.0 and net-ssh is 2.9.3-beta1
To be able to ...
2
votes
1
answer
826
views
Trying to run PhantomJS on OpenShift: cannot patch GhostDriver so that it can bind on the server IP address
tl;dr
How to solve version 'GLIBCXX_3.4.15' not found when I cannot be root on the Linux server?
I'm tring to use PhantomJS on OpenShift. As explained in this article, PhantomJS GhostDriver binds on ...
2
votes
1
answer
3k
views
Getting 404 though my app is deployed
Jenkins shows that the build was successful (see log below) and I can see the war in
/app-root/runtime/repo/target/0.1-MVP
The tomcat webapps (jwboss/webapps)
contains only ROOT.war.
How I can ...
2
votes
2
answers
498
views
Web socket disconnecting on OpenShift (with WildFly 8.2.1)
I am using OpenShift and WildFly 8.2.1 final to implement the new HTML5 websocket. I used this tutorial to set this project up.
Whenever I open my MyTest.html, this is what the JavaScript logs:
JS:...
2
votes
1
answer
7k
views
Suppress "Ambiguous class resolution" warning on composer dump-autoload -o
I'm in the follwoing situation:
I want to deploy a php-app via "git push" on openshift. Dependencies are resolved via composer. The composer.lock file (locking the dependencies to the specific wanted ...
1
vote
2
answers
4k
views
SonarQube: Change the elastic search client host
In brief: Is there a way of changing the target address within the elastic search client used by SonarQube?
More Info: I'd love to use SonarQube > 4.1 on OpenShift. Unfortunately, you can't bind to ...
0
votes
1
answer
2k
views
Not able to set options in JAVA_OPTS in JBoss openshift
I want to change the server running timezone. So I want to add timezone option in JAVA_OPTS.
(-Duser.timezone=GMT).
I have tried to edit '/var/lib/openshift/548c33cce0b8cd44d3000083/jbossas/bin/...
146
votes
11
answers
73k
views
What is the difference between persistent volume (PV) and persistent volume claim (PVC) in simple terms?
What is the difference between persistent volume (PV) and persistent volume claim (PVC) in Kubernetes/ Openshift by referring to documentation?
What is the difference between both in simple terms?
54
votes
9
answers
97k
views
Using Keycloak behind a reverse proxy: Could not open Admin loginpage because mixed Content
so I have a problem getting keycloak 3.2.1 to work behind kong (0.10.3), a reverse proxy based on nginx.
Scenario is:
I call keycloak via my gateway-route via https://{gateway}/auth and it shows me ...
30
votes
8
answers
54k
views
Openshift Nginx permission problem [nginx: [emerg] mkdir() "/var/cache/nginx/client_temp" failed (13: Permission denied)]
I am currently running into a problem trying to set up nginx:alpine in Openshift.
My build runs just fine but I am not able to deploy with permission being denied with the following error
2019/01/25 ...
24
votes
3
answers
8k
views
What is the benefit of putting multiple containers in a pod?
What's the benefit of having multiple containers in a pod versus having standalone containers?
16
votes
2
answers
6k
views
Ping Service to stop OpenShift Application from IDLE?
I am running a lightweight API in the OpenShift Cloud. I just realized that after 48h the application goes into IDLE mode. Is there kind of a ping service to avoid this issue?
best
M
15
votes
4
answers
18k
views
Kubernetes - Liveness and Readiness probe implementation
I'm developing a service using Spring and deploying it on OpenShift. Currently I'm using Spring Actuator health endpoint to serve as a liveness and readiness probe for Kubernetes.
However, I will ...
14
votes
1
answer
6k
views
Can't send email through openshift
I have website hosted at OpenShift. I tried to send mail using mail function of php. It just returned true, but no mail is received to whom I had sent.
Please tell me procedure for sending the mail.
...