chore: add Barman base image (#59)

We build a new image every week with the necessary base packages
for the sidecar.
This aims to reduce the time required for each CI process to run.

Signed-off-by: Jonathan Gonzalez V. <jonathan.gonzalez@enterprisedb.com>
Signed-off-by: Niccolò Fei <niccolo.fei@enterprisedb.com>
Co-authored-by: Niccolò Fei <niccolo.fei@enterprisedb.com>

.github/workflows/barman-base-image.yml

@@ -0,0 +1,38 @@
+name: Barman Base Image
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * 0"
+  push:
+    branches:
+      - main
+    paths:
+      - 'containers/sidecar-requirements.txt'
+
+permissions: read-all
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install QEMU static binaries
+        uses: docker/setup-qemu-action@v3
+      - name: Install Task
+        uses: arduino/setup-task@v2
+      - name: Install Dagger
+        env:
+          # renovate: datasource=github-tags depName=dagger/dagger versioning=semver
+          DAGGER_VERSION: 0.18.5
+        run: |
+          curl -L https://dl.dagger.io/dagger/install.sh | BIN_DIR=$HOME/.local/bin sh
+      - name: Publish a barman-base
+        env:
+          REGISTRY_USER: ${{ github.actor }}
+          REGISTRY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          task publish-barman-base

Taskfile.yml

@@ -377,6 +377,33 @@ tasks:
         build --dir . --file containers/Dockerfile.sidecar --platform linux/amd64 --platform linux/arm64
         publish --ref {{.SIDECAR_IMAGE_NAME}} --tags {{.IMAGE_VERSION}}
 
+  publish-barman-base:
+    desc: Build and publish a barman-cloud base container image
+    vars:
+      BARMAN_BASE_IMAGE_NAME: ghcr.io/{{.GITHUB_REPOSITORY}}-base{{if not (hasPrefix "refs/heads/main" .GITHUB_REF)}}-testing{{end}}
+      BARMAN_VERSION:
+        sh: grep "^barman" containers/sidecar-requirements.in | sed -E 's/.*==([^ ]+)/\1/'
+      BUILD_DATE:
+        sh: date +"%Y%m%d%H%M"
+    requires:
+      # We expect this to run in a GitHub workflow, so we put a few GitHub-specific vars here
+      # to prevent running this task locally by accident.
+      vars:
+        - CI
+        - GITHUB_REPOSITORY
+        - GITHUB_REF
+        - GITHUB_REF_NAME
+        - REGISTRY_USER
+        - REGISTRY_PASSWORD
+    env:
+      # renovate: datasource=git-refs depName=docker lookupName=https://github.com/purpleclay/daggerverse currentValue=main
+      DAGGER_DOCKER_SHA: bba3a4ee46fd663a5577337e2221db56c646a0b7
+    cmds:
+      - >
+        dagger call -m github.com/purpleclay/daggerverse/docker@${DAGGER_DOCKER_SHA}
+        --registry ghcr.io --username $REGISTRY_USER --password env:REGISTRY_PASSWORD
+        build --dir . --file containers/Dockerfile.barmanbase --platform linux/amd64 --platform linux/arm64
+        publish --ref {{.BARMAN_BASE_IMAGE_NAME}} --tags "{{.BARMAN_VERSION}}-{{.BUILD_DATE}}"
 
   controller-gen:
     desc: Run controller-gen

containers/Dockerfile.barmanbase

@@ -0,0 +1,7 @@
+FROM python:3.13-slim-bookworm
+COPY containers/sidecar-requirements.txt .
+RUN apt-get update && \
+    apt-get install -y postgresql-common build-essential && \
+    /usr/share/postgresql-common/pgdg/apt.postgresql.org.sh -y && \
+    apt-get install -y libpq-dev && \
+    pip install -r sidecar-requirements.txt