OpenShift

(tag)

  • OKD 4.5 small cluster on ESX

    I needed to create a small OKD/OpenShift setup so I could play around with it and get comfortable with using it, developing on it and administering it. Additionally I wanted it to be somewhat similar in setup to what we do at work. This was originally based on the excellent post by Craig Robinson, but… read more…

    OKD 4.5 small cluster on ESX
  • Restored OKD Cluster Not Starting

    I run my OKD cluster on a set of VMs in VMware ESXi. My backups consist of shutting down all VMs and then copying them somewhere else – so full shutdown and backup. The cluster setup was done using the steps outlined in OKD 4.5 small cluster on ESX. This has worked well and I… read more…

    Restored OKD Cluster Not Starting
  • Add Catalog Sources To OperatorHub

    If you have followed my post OKD 4.5 small cluster on ESX you find that when you look at the OperatorHub in OKD you only see the community operators. The problem appears to be that an out of the box OKD install only has the “Community Operators” enabled. The trick is to enable the rest.… read more…

    Add Catalog Sources To OperatorHub
  • Reinstate deleted user OKD 4.5

    I had an OKD 4.5 user which authenticated against htpasswd. This user was a member of a group and admin role binding. I then deleted the user through the web console: The problem came when I wanted to re-enable the user. Adding a user in OKD involves adding an authentication mechanism, IDP, such as htpasswd,… read more…

    Reinstate deleted user OKD 4.5
  • Failed to list *v1.ConfigMap

    I was setting up an OKD single node cluster and to test if it was up I ran: openshift-install –dir=/opt/okd4/install_dir/ wait-for bootstrap-complete –log-level=debug Then I got the following error messages: https://api.lab.okd.local:6443/api/v1/namespaces/kube-system/configmaps?fieldSelector=metadata.name%3Dbootstrap&limit=500&resourceVersion=0: EOF E0104 15:32:18.605736 1642 reflector.go:153] k8s.io/client-go/tools/watch/informerwatcher.go:146: Failed to list *v1.ConfigMap: Get https://api.lab.okd.local:6443/api/v1/namespaces/kube-system/configmaps?fieldSelector=metadata.name%3Dbootstrap&limit=500&resourceVersion=0: EOF E0104 15:32:19.607338 1642 reflector.go:153] k8s.io/client-go/tools/watch/informerwatcher.go:146: Failed to list *v1.ConfigMap: Get https://api.lab.okd.local:6443/api/v1/namespaces/kube-system/configmaps?fieldSelector=metadata.name%3Dbootstrap&limit=500&resourceVersion=0:… read more…

    Failed to list *v1.ConfigMap