code-generation.yaml

# This file is part of Astarte.
#
# Copyright 2023 SECO Mind Srl
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0

name: Code generation

on:
  pull_request:
  push:
    branches:
      - master
      - 'release-*'

env:
  PB_REL: https://github.com/protocolbuffers/protobuf/releases

jobs:
  python_build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Install protoc
      run: |
        curl -LO $PB_REL/download/v24.3/protoc-24.3-linux-x86_64.zip
        unzip protoc-24.3-linux-x86_64.zip -d $HOME/.local
        echo "$HOME/.local/bin" >> $GITHUB_PATH
    - name: Make dir for grpc
      run: mkdir ./grpc/
    - name: Restore cached grpc_python_plugin
      id: cache-grpc-python-plugin-restore
      uses: actions/cache/restore@v3
      with:
        path: ./grpc/grpc_python_plugin
        key: grpc-python-plugin-v1.58.1
    - name: Compile from source the grpc_python_plugin
      if: steps.cache-grpc-python-plugin-restore.outputs.cache-hit != 'true'
      run: |
        git clone -b v1.58.1 https://github.com/grpc/grpc
        cd grpc
        git submodule update --init
        cmake .
        make grpc_python_plugin
    - name: Save grpc_python_plugin
      if: steps.cache-grpc-python-plugin-restore.outputs.cache-hit != 'true'
      id: cache-grpc-python-plugin-save
      uses: actions/cache/save@v3
      with:
        path: ./grpc/grpc_python_plugin
        key: ${{ steps.cache-grpc-python-plugin-restore.outputs.cache-primary-key }}
    - name: Install Python dependencies
      run: |
        python3 -m pip install --upgrade pip
        python3 -m pip install termcolor
    - name: Remove old code
      run: (! test -d ./astarteplatform) || rm -r ./astarteplatform
      working-directory: ./python
    - name: Generate Python code
      run: python3 ./protoc.py "./../grpc/grpc_python_plugin"
      working-directory: ./python
    - name: Upload Python code
      uses: actions/upload-artifact@v3
      with:
        name: python
        path: ./python
  
  rust_build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Install protoc
      run: |
        curl -LO $PB_REL/download/v24.3/protoc-24.3-linux-x86_64.zip
        unzip protoc-24.3-linux-x86_64.zip -d $HOME/.local
        echo "$HOME/.local/bin" >> $GITHUB_PATH
    - name: Install rust toolchain
      uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: 1.66.1
        override: true
    - name: Remove Rust old code
      run: (! test -d ./astarte-message-hub-proto/src/astarteplatform.msghub.rs) || rm ./astarte-message-hub-proto/src/astarteplatform.msghub.rs
      working-directory: ./rust
    - name: Generate Rust code with cargo build
      run: cargo build
      working-directory: ./rust
    - name: Upload Rust code
      uses: actions/upload-artifact@v3
      with:
        name: rust
        path: ./rust

  commit_and_push_code:
    if: github.event_name == 'push'
    name: Commit and push generated code
    needs: [python_build, rust_build]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Download all workflow run artifacts
        uses: actions/download-artifact@v3
      - name: Commit the generated code
        run: |
          git config user.name github-actions
          git config user.email github-actions@github.com
          git add ./python
          git diff --staged --quiet || git commit -s -m "[Python]: Add generated code"
          git add ./rust/astarte-message-hub-proto/src/astarteplatform.msghub.rs
          git diff --staged --quiet || git commit -s -m "[Rust]: Add generated code"
          git push