From 384b8710c339ea0826a16c36dd69482db9aba5c1 Mon Sep 17 00:00:00 2001
From: Adrian Moennich <adrian.moennich@cern.ch>
Date: Sat, 23 Mar 2024 21:04:43 +0100
Subject: [PATCH] ci: Build wheels for plugins

---
 .github/utils/generate_matrix.py |  34 ++++++++++
 .github/utils/get_core_repo.py   |   8 ++-
 .github/workflows/build.yml      | 109 +++++++++++++++++++++++++++++++
 3 files changed, 148 insertions(+), 3 deletions(-)
 create mode 100644 .github/utils/generate_matrix.py
 create mode 100644 .github/workflows/build.yml

diff --git a/.github/utils/generate_matrix.py b/.github/utils/generate_matrix.py
new file mode 100644
index 00000000..ae01dd59
--- /dev/null
+++ b/.github/utils/generate_matrix.py
@@ -0,0 +1,34 @@
+# This file is part of the Indico plugins.
+# Copyright (C) 2002 - 2024 CERN
+#
+# The Indico plugins are free software; you can redistribute
+# them and/or modify them under the terms of the MIT License;
+# see the LICENSE file for more details.
+
+import json
+import os
+import sys
+from operator import itemgetter
+from pathlib import Path
+
+
+def _plugin_has_assets(plugin_dir: Path):
+    return (plugin_dir / 'webpack.config.js').exists() or (plugin_dir / 'webpack-bundles.json').exists()
+
+
+def main():
+    plugin_data = sorted(({'plugin': x.name, 'assets': _plugin_has_assets(x)} for x in Path().iterdir()
+                         if x.name != '_meta' and x.is_dir() and (x / 'setup.cfg').exists()), key=itemgetter('plugin'))
+
+    # TODO remove after initial testing
+    plugin_data = [x for x in plugin_data if x['plugin'] in {'cloud_captchas', 'storage_s3'}]
+    print(plugin_data)
+
+    matrix = {'include': plugin_data}
+    with open(os.environ['GITHUB_OUTPUT'], 'a') as f:
+        f.write(f'PLUGINS_MATRIX={json.dumps(matrix)}\n')
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())
diff --git a/.github/utils/get_core_repo.py b/.github/utils/get_core_repo.py
index 9c7bea8b..d9a09002 100644
--- a/.github/utils/get_core_repo.py
+++ b/.github/utils/get_core_repo.py
@@ -90,9 +90,11 @@ def main():
         print(f'Uncommon branch {branch}; defaulting to master')
         branch = 'master'
 
-    with open(os.environ['GITHUB_ENV'], 'a') as f:
-        f.write(f'{SCOPE}_REPO={full_repo}\n')
-        f.write(f'{SCOPE}_BRANCH={branch}\n')
+    for fn in (os.environ['GITHUB_ENV'], os.environ['GITHUB_OUTPUT']):
+        with open(fn, 'a') as f:
+            f.write(f'{SCOPE}_REPO={full_repo}\n')
+            f.write(f'{SCOPE}_BRANCH={branch}\n')
+
     return 0
 
 
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 00000000..78cf79b9
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,109 @@
+name: Build
+
+env:
+  PYTHON_VERSION: '3.12'
+  TZ: Europe/Zurich
+
+on:
+  push:
+    branches:
+      - 'master'
+      - '*.x'
+      - 'ci-build-plugins'  # TODO remove
+  pull_request:
+      branches:
+        - 'master'
+        - '*.x'
+      types:
+        - opened
+        - reopened
+        - synchronize
+        - labeled
+
+jobs:
+  list-plugins:
+    name: Get plugin list 📃
+    runs-on: ubuntu-22.04
+    if: github.event_name == 'push' || contains(github.event.pull_request.labels.*.name, 'build-wheel')
+    outputs:
+      PLUGINS_MATRIX: ${{ steps.list-plugins.outputs.PLUGINS_MATRIX }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python 🐍
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+      - name: Generate matrix
+        id: list-plugins
+        run: python .github/utils/generate_matrix.py
+
+  build:
+    name: Build package for ${{ matrix.plugin }} 📦
+    needs: list-plugins
+    runs-on: ubuntu-22.04
+    if: github.event_name == 'push' || contains(github.event.pull_request.labels.*.name, 'build-wheel')
+    strategy:
+      matrix: ${{ fromJson(needs.list-plugins.outputs.PLUGINS_MATRIX) }}
+    steps:
+      - name: Checkout plugins
+        uses: actions/checkout@v4
+        with:
+          path: plugins
+          # prefer head commit over merge commit in case of PRs
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || '' }}
+
+      - name: Pick Indico core repo
+        id: core-repo
+        env:
+          GH_TOKEN: ${{ github.token }}
+          PR_BODY: ${{ github.event_name == 'pull_request' && github.event.pull_request.body }}
+          PR_BASE_REF: ${{ github.event_name == 'pull_request' && github.event.pull_request.base.ref }}
+        run: python plugins/.github/utils/get_core_repo.py indico/indico INDICO
+
+      - name: Checkout core
+        uses: actions/checkout@v4
+        with:
+          path: indico
+          repository: indico/indico
+          ref: ${{ steps.core-repo.outputs.INDICO_BRANCH }}
+
+      - name: Set up Python 🐍
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+          cache: pip
+          cache-dependency-path: |
+            indico/requirements*.txt
+            plugins/**/setup.cfg
+
+      - name: Setup Node
+        if: matrix.assets
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18.x
+          cache: 'npm'
+          cache-dependency-path: indico/package-lock.json
+
+      - name: Install build deps 🔧
+        working-directory: indico
+        run: |
+          sudo apt-get install libpq-dev
+          pip install --user -U pip setuptools wheel
+          pip install --user -e '.[dev]'
+
+      - name: Install npm deps ☕
+        if: matrix.assets
+        working-directory: indico
+        run: npm ci
+
+      - name: Build wheel 🏗
+        working-directory: indico
+        run: |
+          ./bin/maintenance/build-wheel.py plugin ../plugins/${{ matrix.plugin }} --add-version-suffix
+
+      - uses: actions/upload-artifact@v4
+        name: Upload build artifacts 📦
+        with:
+          name: plugin-wheels
+          retention-days: 7
+          path: ./indico/dist