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RFC: Plugin Extension System — runtime intelligence, hosted MCP, and plugin ecosystem #2

RFC: Plugin Extension System — runtime intelligence, hosted MCP, and plugin ecosystem

RFC: Plugin Extension System — runtime intelligence, hosted MCP, and plugin ecosystem #2

name: Build and Publish Plugin Images
on:
push:
tags:
- 'v*.*.*'
pull_request:
branches: [main]
workflow_dispatch:
env:
REGISTRY: ghcr.io
IMAGE_PREFIX: ${{ github.repository_owner }}
jobs:
# ── Read the service matrix from services.json ──────────────────────────
setup:
name: Load service matrix
runs-on: ubuntu-latest
outputs:
matrix: ${{ steps.load.outputs.matrix }}
steps:
- uses: actions/checkout@v4
- name: Load services.json into matrix
id: load
run: |
# Filter to plugin services only (skip cgc-core — handled by docker-publish.yml)
MATRIX=$(cat .github/services.json | jq -c '[.[] | select(.name != "cgc-core")]')
echo "matrix=${MATRIX}" >> "$GITHUB_OUTPUT"
# ── Build, smoke-test, and optionally push each plugin image ────────────
build-plugins:
name: Build ${{ matrix.name }}
needs: setup
runs-on: ubuntu-latest
permissions:
contents: read
packages: write
strategy:
matrix:
include: ${{ fromJson(needs.setup.outputs.matrix) }}
fail-fast: false
steps:
- uses: actions/checkout@v4
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Log in to GHCR
if: github.event_name != 'pull_request'
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Extract Docker metadata
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/${{ matrix.image }}
tags: |
type=semver,pattern={{version}}
type=semver,pattern={{major}}.{{minor}}
type=semver,pattern={{major}}
type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/') }}
type=ref,event=pr
type=sha,prefix=sha-
labels: |
org.opencontainers.image.title=${{ matrix.name }}
org.opencontainers.image.description=${{ matrix.description }}
org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
- name: Build image (load locally for smoke test)
id: build-local
uses: docker/build-push-action@v5
with:
context: ${{ matrix.path }}
file: ${{ matrix.path }}/${{ matrix.dockerfile }}
push: false
load: true
tags: smoke-test/${{ matrix.image }}:ci
cache-from: type=gha,scope=${{ matrix.name }}
cache-to: type=gha,mode=max,scope=${{ matrix.name }}
- name: Smoke test — gRPC import
if: matrix.health_check == 'grpc_ping'
run: docker run --rm smoke-test/${{ matrix.image }}:ci python -c "import grpc; print('gRPC OK')"
- name: Smoke test — Python import
if: matrix.health_check == 'http_health'
run: docker run --rm smoke-test/${{ matrix.image }}:ci python -c "import cgc_plugin_memory; print('memory OK')"
- name: Smoke test — socket
if: matrix.health_check == 'tcp_connect'
run: docker run --rm smoke-test/${{ matrix.image }}:ci python -c "import socket; socket.socket(); print('socket OK')"
- name: Push image to GHCR
if: github.event_name != 'pull_request'
uses: docker/build-push-action@v5
with:
context: ${{ matrix.path }}
file: ${{ matrix.path }}/${{ matrix.dockerfile }}
push: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha,scope=${{ matrix.name }}
cache-to: type=gha,mode=max,scope=${{ matrix.name }}
platforms: linux/amd64,linux/arm64
# ── Summary ──────────────────────────────────────────────────────────────
build-summary:
name: Plugin build summary
needs: build-plugins
runs-on: ubuntu-latest
if: always()
steps:
- name: Report overall status
run: |
if [ "${{ needs.build-plugins.result }}" = "success" ]; then
echo "✅ All plugin images built successfully."
else
echo "⚠️ One or more plugin images failed. Check individual job logs."
exit 1
fi