Oc delete clusterrolebinding gitlab-prometheus-alertmanager Oc delete clusterrole gitlab-prometheus-server Oc delete clusterrole gitlab-prometheus-kube-state-metrics oc login In case you have already tried to install GitLab and want to start over for some reason here is how to get rid of all remains of the previous installation. Latest at this point you have to make sure you are already logged in to the desired target OpenShift cluster. Now set up Helm, install the Tiller plugin and add the GitLab repository. Verify it can be executed and has the right version with helm version Extract the self-contained helm binary to a directory in your path. It is mandatory not to use the latest version of Helm but v2.12.x as this fits best to OpenShift v3.11. I’ve added a chapter about how to prevent this behaviour. UPDATE After one month we observed that the Prometheus server that is installed together with GitLab was continously crashing. I disabled GitLab’s own image registry, Nginx ingress and certificate manager as recommended on Installing GitLab on OKD (OpenShift). The setup for LDAP is basically the same. GitLab will be set up to rely on an Active Directory server for user authentication. Your mileage will vary in case you try to install GitLab on older OpenShift clusters.
With the exception concerning Helm versions I will not cover any details about other OpenShift versions. The installation will be performed on OpenShift 3.11. Many configuration settings plus many pages linked from thereĪlways be aware that the relevant documentation found in the WWW might not be 100% acurate or simply outdated. With some tweaks this can also be used for an OpenShift installation. GitLab will be installed by means of a group of Helm charts initially intended for Kubernetes. This article is the conclusion of all these findings and efforts and gives a step-by-step recipe on how to install GitLab on OpenShift. So I had to adapt these information to the situation in an OpenShift cluster. Most information was about getting GitLab into a Kubernetes cluster. What I found on the Internet about installing GitLab on OpenShift was partly outdated and not 100% accurate. Turned out getting GitLab up and running on OpenShift is not so easy. We recently had to install a bunch of applications on a customer’s shiny new OpenShift 3.11 cluster.
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