feat(ironic): make updating ironic easier by following our branch

[cardoe]

We have a stable branch that we push patches into. This makes it easier for us to follow our patch series by installing Ironic from our branch.

[skrobul]

The entrypoints don't seem right:

❯ git rev-parse HEAD
df93a4f9024d450f0b8f717d4b30259e01a89191

understack on  ironic-from-branch [$] ☸ uc_iad3_dev (openstack) in
❯ docker build -t ironic-patched --build-arg OPENSTACK_VERSION=2025.2 -f containers/ironic/Dockerfile .
[+] Building 1.1s (26/26) FINISHED                                                                                              docker:default
 => [internal] load build definition from Dockerfile                                                                                      0.0s
 => => transferring dockerfile: 2.93kB                                                                                                    0.0s
 => resolve image config for docker-image://docker.io/docker/dockerfile:1                                                                 0.2s
 => CACHED docker-image://docker.io/docker/dockerfile:1@sha256:b6afd42430b15f2d2a4c5a02b919e98a525b785b1aaff16747d2f623364e39b6           0.0s
 => [internal] load metadata for ghcr.io/astral-sh/uv:latest                                                                              0.0s
 => [internal] load metadata for quay.io/airshipit/ironic:2025.2-ubuntu_noble                                                             0.2s
 => [internal] load .dockerignore                                                                                                         0.0s
 => => transferring context: 46B                                                                                                          0.0s
 => [internal] load build context                                                                                                         0.4s
 => => transferring context: 2.74MB                                                                                                       0.3s
 => FROM ghcr.io/astral-sh/uv:latest                                                                                                      0.0s
 => [build  1/12] FROM quay.io/airshipit/ironic:2025.2-ubuntu_noble@sha256:a1111123d1d116f666c7024b37fe54dfc38cb6df7138de9ec464d898f595b  0.0s
 => [build  4/12] ADD --keep-git-dir=true https://github.com/openstack/ironic.git#3856f2183a4e568eb4f05aa561c8626eb80241c0 /src/ironic    0.0s
 => CACHED [final 2/5] RUN wget -qO- https://pkgs.k8s.io/core:/stable:/v1.35/deb/Release.key | gpg --dearmor -o /etc/apt/keyrings/kubern  0.0s
 => CACHED [final 3/5] RUN apt-get update &&     apt-get install -y --no-install-recommends         genisoimage         isolinux          0.0s
 => CACHED [build  2/12] COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/                                                           0.0s
 => CACHED [build  3/12] RUN apt-get update &&     apt-get install -y --no-install-recommends         git         patch     && apt-get c  0.0s
 => CACHED [build  4/12] ADD --keep-git-dir=true https://github.com/openstack/ironic.git#3856f2183a4e568eb4f05aa561c8626eb80241c0 /src/i  0.0s
 => CACHED [build  5/12] RUN git -C /src/ironic fetch --unshallow                                                                         0.0s
 => CACHED [build  6/12] COPY python/ironic-understack /src/understack/ironic-understack                                                  0.0s
 => CACHED [build  7/12] COPY python/understack-flavor-matcher /src/understack/understack-flavor-matcher                                  0.0s
 => CACHED [build  8/12] RUN --mount=type=cache,target=/root/.cache/uv     uv pip install       --upgrade       --constraint https://rel  0.0s
 => CACHED [build  9/12] COPY containers/ironic/patches /tmp/patches/                                                                     0.0s
 => CACHED [build 10/12] RUN cd /var/lib/openstack/lib/python3.12/site-packages &&     patch -p1 < /tmp/patches/0001-Solve-IPMI-call-iss  0.0s
 => CACHED [build 11/12] RUN    export URL=https://github.com/novnc/noVNC/archive/refs/tags/v1.6.0.tar.gz &&    export DEST_FILE=novnc-1  0.0s
 => CACHED [build 12/12] COPY containers/ironic/ironic-console-pod.yaml.template /var/lib/openstack/lib/python3.12/site-packages/ironic/  0.0s
 => CACHED [final 4/5] COPY --from=build --link /var/lib/openstack /var/lib/openstack                                                     0.0s
 => CACHED [final 5/5] COPY --from=build /usr/share/novnc /usr/share/novnc                                                                0.0s
 => exporting to image                                                                                                                    0.0s
 => => exporting layers                                                                                                                   0.0s
 => => writing image sha256:f4c910eb843ac2f8f560c9f2611da542bf3e23409dbaa9ef934f23b8d08254f9                                              0.0s
 => => naming to docker.io/library/ironic-patched                                                                                         0.0s

understack on  ironic-from-branch [$] ☸ uc_iad3_dev (openstack) in
❯ docker run --rm -it docker.io/library/ironic-patched bash
root@a8b4308ffe6f:/# grep KubernetesConsoleContainer /var/lib/openstack/lib/python3.12/site-packages/ironic
ironic/                            ironic-32.0.1.dev66.dist-info/     ironic_understack-0.0.0.dist-info/
ironic-32.0.1.dev61.dist-info/     ironic_understack/
root@a8b4308ffe6f:/# grep KubernetesConsoleContainer /var/lib/openstack/lib/python3.12/site-packages/ironic-32.0.1.dev61.dist-info/entry_points.txt
root@a8b4308ffe6f:/# grep KubernetesConsoleContainer /var/lib/openstack/lib/python3.12/site-packages/ironic-32.0.1.dev66.dist-info/entry_points.txt
kubernetes = ironic.console.container.kubernetes:KubernetesConsoleContainer
root@a8b4308ffe6f:/# pip list | grep ironic
ironic                    32.0.1.dev61
ironic-understack         0.0.0
root@a8b4308ffe6f:/#

root@a8b4308ffe6f:/# ls -ld /var/lib/openstack/lib/python3.12/site-packages/ironic-*
drwxr-xr-x 1 root root 194 Jan 26 03:28 /var/lib/openstack/lib/python3.12/site-packages/ironic-32.0.1.dev61.dist-info
drwxr-xr-x 1 root root 246 Jan 26 16:31 /var/lib/openstack/lib/python3.12/site-packages/ironic-32.0.1.dev66.dist-info
root@a8b4308ffe6f:/#