How to Display How Many Images are Available on Our Openshift Image Registry

Openshift is a very convenient platform, not only it provides an enterprise kubernetes cluster, but also provide its own image registry bundled within it. So we can push images and deploy it to our namescpace within our cluster in a timely manner. But there are times when i need to count how many images are resides in my existing Openshift cluster. After googling quite some time, i found the solution and write it here.

First we need to check where is our Openshift image registry url,

C:\>oc project default
Already on project "default" on server "".

C:\>oc get route
NAME               HOST/PORT                                                PATH      SERVICES           PORT       TERMINATION   WILDCARD
docker-registry              docker-registry    5000-tcp   reencrypt     None
registry-console             registry-console   <all>      passthrough   None

Next step is login to our oc cluster by using this command, and insert the right username and password.

oc login 

And see the oc login token

oc whoami -t

Use both username and token to do a simple curl to your docker registry url,

C:\>curl -X GET -k -u <my-username>:<my-token>

The result of that api contains list of images available on your Openshift’s Image Registry.


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