feat: build Cinder container with our Cinder driver code

Create a build of the Cinder container which will also install our
Cinder driver code.

Author: cardoe

.github/workflows/containers.yaml

@@ -33,7 +33,7 @@ jobs:
     strategy:
       matrix:
         # if you add a container here, add it to the 'clean_containers' job below
-        project: [ironic, neutron, keystone, nova, openstack-client]
+        project: [ironic, neutron, keystone, nova, openstack-client, cinder]
 
     steps:
       - name: setup docker buildx

components/images-openstack.yaml

@@ -90,4 +90,15 @@ images:
     # skyline
     skyline: "quay.io/airshipit/skyline:latest"
     skyline_db_sync: "quay.io/airshipit/skyline:latest"
+
+    # cinder
+    cinder_api: "ghcr.io/rackerlabs/understack/cinder:2024.2-ubuntu_jammy"
+    cinder_db_sync: "ghcr.io/rackerlabs/understack/cinder:2024.2-ubuntu_jammy"
+    cinder_scheduler: "ghcr.io/rackerlabs/understack/cinder:2024.2-ubuntu_jammy"
+    cinder_volume: "ghcr.io/rackerlabs/understack/cinder:2024.2-ubuntu_jammy"
+    cinder_volume_usage_audit: "ghcr.io/rackerlabs/understack/cinder:2024.2-ubuntu_jammy"
+    cinder_db_purge: "ghcr.io/rackerlabs/understack/cinder:2024.2-ubuntu_jammy"
+    cinder_backup: "ghcr.io/rackerlabs/understack/cinder:2024.2-ubuntu_jammy"
+    cinder_storage_init: "docker.io/openstackhelm/ceph-config-helper:latest-ubuntu_jammy"
+    cinder_backup_storage_init: "docker.io/openstackhelm/ceph-config-helper:latest-ubuntu_jammy"
 ...

containers/cinder/Dockerfile

@@ -0,0 +1,18 @@
+# syntax=docker/dockerfile:1
+
+ARG OPENSTACK_VERSION="required_argument"
+FROM docker.io/openstackhelm/cinder:${OPENSTACK_VERSION}-ubuntu_jammy AS builder
+
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
+
+COPY python/cinder-understack /tmp/cinder-understack
+
+RUN --mount=type=cache,target=/root/.cache/uv \
+    cd /tmp/cinder-understack && \
+    uv build --wheel --out-dir /tmp/wheels/
+
+FROM docker.io/openstackhelm/cinder:${OPENSTACK_VERSION}-ubuntu_jammy AS final
+
+RUN --mount=type=cache,target=/root/.cache/pip \
+    --mount=from=builder,source=/tmp/wheels,target=/tmp/wheels \
+    /var/lib/openstack/bin/python -m pip install --no-input --find-links /tmp/wheels/ cinder-understack