Add file show_all_imagestreams.py from container-common-scripts

[phracek]

This pull request only adds show_all_imagestreams.py so it is working.

The file show_all_imagestreams.py shows all available imagestreams for this container, that are specified
in the directory imagestreams.

The example output will be seen in the next comment.

[phracek]

[test-openshift]

[phracek]

The results are available in RHEL8 - OpenShift 4 - 3.12:

-----------------------------------------------
Running test test_latest_imagestreams (starting at 2024-06-10 10:40:30-04:00) ... 
-----------------------------------------------
info: No menu item 'Testing the latest version in imagestreams' in node '(dir)Top'
Tags in the image stream imagestreams/python-centos.json:
- 3.8-ubi7 -> registry.access.redhat.com/ubi7/python-38:latest
- 2.7-ubi8 -> registry.access.redhat.com/ubi8/python-27:latest
- 3.6-ubi8 -> registry.access.redhat.com/ubi8/python-36:latest
- 3.8-ubi8 -> registry.access.redhat.com/ubi8/python-38:latest
- 3.9-ubi8 -> registry.access.redhat.com/ubi8/python-39:latest
- 3.12-ubi8 -> registry.access.redhat.com/ubi8/python-312:latest
- 3.9-ubi9 -> registry.access.redhat.com/ubi9/python-39:latest
- 3.12-ubi9 -> registry.access.redhat.com/ubi9/python-312:latest
- latest -> 3.9-ubi9
Tags in the image stream imagestreams/python-rhel-aarch64.json:
- 2.7-ubi8 -> registry.redhat.io/ubi8/python-27:latest
- 3.6-ubi8 -> registry.redhat.io/ubi8/python-36:latest
- 3.8-ubi8 -> registry.redhat.io/ubi8/python-38:latest
- 3.9-ubi8 -> registry.redhat.io/ubi8/python-39:latest
- 3.12-ubi8 -> registry.redhat.io/ubi8/python-312:latest
- 3.9-ubi9 -> registry.redhat.io/ubi9/python-39:latest
- 3.12-ubi9 -> registry.redhat.io/ubi9/python-312:latest
- latest -> 3.9-ubi8
Tags in the image stream imagestreams/python-rhel.json:
- 3.8-ubi7 -> registry.redhat.io/ubi7/python-38:latest
- 2.7-ubi8 -> registry.redhat.io/ubi8/python-27:latest
- 3.6-ubi8 -> registry.redhat.io/ubi8/python-36:latest
- 3.8-ubi8 -> registry.redhat.io/ubi8/python-38:latest
- 3.9-ubi8 -> registry.redhat.io/ubi8/python-39:latest
- 3.11-ubi8 -> registry.redhat.io/ubi8/python-311:latest
- 3.12-ubi8 -> registry.redhat.io/ubi8/python-312:latest
- 3.9-ubi9 -> registry.redhat.io/ubi9/python-39:latest
- 3.11-ubi9 -> registry.redhat.io/ubi9/python-311:latest
- 3.12-ubi9 -> registry.redhat.io/ubi9/python-312:latest
- 3.8 -> registry.redhat.io/rhscl/python-38-rhel7:latest
- latest -> 3.11-ubi8
Version to check is 3.12.

[frenzymadness]

Even though I don't fully understand the imagestreams I like that we have something like this here.