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COS-2692: Add new variants to enable pure CentOS Stream/RHEL CoreOS builds, add Containerfile for layered OKD/OCP builds #1445

Merged
merged 3 commits into from
May 29, 2024
Merged

COS-2692: Add new variants to enable pure CentOS Stream/RHEL CoreOS builds, add Containerfile for layered OKD/OCP builds #1445

merged 3 commits into from
May 29, 2024

Commits on May 24, 2024

  1. Add new okd-c9s and ocp-rhel-9.4 variants 

    To make introducing the base RHCOS/SCOS images safer, let's create two
new variants: `okd-c9s` and `ocp-rhel-9.4`. These variants are cloned
from the existing `c9s` and `rhel-9.4` variants to start.

The new variants will track the status quo: building SCOS/RHCOS with the
OpenShift components baked in (hence the `okd`/`ocp` prefixes). This is
what the pipeline will keep building.

Meanwhile, what is currently the `c9s` and rhel-9.4` variants will
become the new base SCOS/RHCOS streams containing *purely* CentOS
Stream/RHEL content.

The default variant is still `ocp-rhel-9.4` for now.
    @jlebon
    jlebon committed May 24, 2024
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  2. Make c9s and rhel-9.4 variants be pure C9S/RHEL 9.4 content 

    This is the second step now in this switcheroo dance (see previous
commit). We make the `c9s` and `rhel-9.4` variants contain only C9S/
RHEL 9.4 content and then make the `okd-c9s` and `ocp-rhel-9.4` variants
inherit from those and add the OCP-specific stuff.
    @jlebon
    jlebon committed May 24, 2024
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  3. Containerfile: new file 

    This Containerfile allows us to build the OpenShift node image on top
of the base RHCOS/SCOS image (i.e. built from the `c9s` or `rhel-9.4`
image).

Currently, the resulting image is at parity with the base image you'd
get from building the `okd-c9s` or `ocp-rhel-9.4` variant. In the
future, those variants will go away and this will become the only way to
build the node image.

Part of: openshift#799
    @jlebon
    jlebon committed May 24, 2024
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