redpanda-build.yml

# Copyright 2020 Vectorized, Inc.
#
# Use of this software is governed by the Business Source License
# included in the file licenses/BSL.md
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0

name: build-test
on: [push, pull_request]

jobs:
  build:
    name: Build on ${{ matrix.container }}
    runs-on: ubuntu-20.04
    container: ${{ matrix.container }}
    strategy:
      matrix:
        container: ['ubuntu:21.04']

    steps:
        - name: checkout
          uses: actions/checkout@v2

        - name: update container base
          run: |
            export DEBIAN_FRONTEND=noninteractive
            apt-get update -y
            apt-get install -y git sudo pkg-config ccache

        - name: install dependencies
          run: ./install-dependencies.sh

        - name: install g++-11
          run: |
            DEBIAN_FRONTEND=noninteractive apt install -y g++-11
            sudo update-alternatives \
              --install /usr/bin/gcc gcc /usr/bin/gcc-11 60 \
              --slave /usr/bin/g++ g++ /usr/bin/g++-11
            sudo update-alternatives --auto gcc

        # there is no analog to ${{ github.workspace }} for the home directory
        - name: prepare cache variables
          id: prepare_cache_variables
          run: |
            echo ::set-output name=home::$HOME
            echo ::set-output name=timestamp::$(date +'%Y-%m-%d-%H-%M-%S')

        - name: ccache cache files
          uses: actions/cache@v2
          with:
            path: ${{ steps.prepare_cache_variables.outputs.home }}/.ccache
            key: ${{ matrix.container }}-ccache-${{ steps.prepare_cache_variables.outputs.timestamp }}
            restore-keys: ${{ matrix.container }}-ccache-

        # at the time of this writing the ccache for a full build is about
        # 70MB (due to the compression) but it may grow if there are many
        # commits with changes within 1 branch and thus the 200MB upper limit
        - name: build & test
          run: |
            export CCACHE_COMPRESS=true
            export CCACHE_COMPRESSLEVEL=6
            export CCACHE_MAXSIZE=200M

            ccache -p # print the config
            ccache -s # print the stats before reusing
            ccache -z # zero the stats
            ./build.sh
            ccache -s # print the stats after the build