Plugins » Katello

Apologize the suggested steps were slightly off. The above steps actually do the expected thing. The bug was more that updating a tag to a new manifest is not handled correctly.

Here is the new set of steps

1. Create a docker hub account. (https://cloud.docker.com/)
2. Install docker on a machine
3. Run the following commands
   

   $ mkdir images
   $ cd images
   $ docker login -u <username> docker.io
   
   $ cat <<EOT > Dockerfile
   FROM alpine
   RUN touch bar
   EOT
   
   $ docker build -t alpine:latest  .
   $ docker tag alpine:latest docker.io/<username>/alpine1:latest
   $ docker push docker.io/<username>/alpine1:latest
   

4. On your katello ui create a docker repo with the following data -> name: repo1, feed: https://registry-1.docker.io , upstream: <username>/alpine1
5. Sync repo1. Make sure you see a repo with 1 tag and 2 manifests
6. Go to repo1 details -> click on the link next to the DockerManifest number
7. Make a note on the digest numbers where "latest" tag points to
8. Back on the docker terminal run the following commands
   

   $ cat <<EOT > Dockerfile
   FROM alpine
   RUN touch foo
   EOT
   
   $ docker build -t alpine:latest  .
   $ docker tag alpine:latest docker.io/<username>/alpine1:latest
   $ docker push docker.io/<username>/alpine1:latest
   

9. On your katello ui Sync repo1 again. Make sure you see a repo with 1 tag
10. Go to repo1 details -> click on the link next to the DockerManifest number
11. Make a note on the digest numbers where "latest" tag points to

Expected:
4 Manifests with the "latest" pointing to different digests from the prior one

Actual:
4 Manifests with the "latest" pointing to same digest from the prior one