Module: SchemaDev::GithubActions

Extended by:: GithubActions

Included in:: GithubActions

Defined in:: lib/schema_dev/github_actions.rb

Constant Summary collapse

WORKFLOW_FILE =

'.github/workflows/prs.yml'

HEADER =

"# This file was auto-generated by the schema_dev tool, based on the data in\n#                 ./schema_dev.yml\n# Please do not edit this file; any changes will be overwritten next time\n# schema_dev gets run.\n"

BASIC_WORKFLOW =

{
  name:        'CI PR Builds',
  on:          {
    push:         {
      branches: %w[master],
    },
    pull_request: nil,
  },
  concurrency: {
    group:                '${{ github.head_ref }}',
    'cancel-in-progress': true,
  }
}.freeze

BASIC_JOB =

{ 'runs-on': 'ubuntu-latest' }.freeze

BASIC_ENV =

{
  BUNDLE_GEMFILE: '${{ github.workspace }}/gemfiles/activerecord-${{ matrix.activerecord }}/Gemfile.${{ matrix.db }}'
}.freeze

FINISH_STEPS =

[
  {
    name: 'Coveralls Finished',
    if:   '${{ !env.ACT }}',
    uses: 'coverallsapp/github-action@master',
    with: {
      'github-token':      '${{ secrets.GITHUB_TOKEN }}',
      'parallel-finished': true,
    }
  }
].freeze

STEPS =

{
  start:  [
            {
              uses: 'actions/checkout@v2',
            },
            {
              name: 'Set up Ruby',
              uses: 'ruby/setup-ruby@v1',
              with: {
                'ruby-version':  '${{ matrix.ruby }}',
                'bundler-cache': true,
              },
            },
            {
              name: 'Run bundle update',
              run:  'bundle update',
            },
          ],
  test:   [
            {
              name: 'Run tests',
              run:  'bundle exec rake spec',
            }
          ],
  finish: [
            {
              name: 'Coveralls Parallel',
              if:   '${{ !env.ACT }}',
              uses: 'coverallsapp/github-action@master',
              with: {
                'github-token': '${{ secrets.GITHUB_TOKEN }}',
                'flag-name':    'run-${{ matrix.ruby }}-${{ matrix.activerecord }}-${{ matrix.db }}-${{ matrix.dbversion }}',
                parallel:       true,
              }
            }
          ],
}.freeze

DB_ENV =

{
  postgresql: {
    POSTGRESQL_DB_HOST: '127.0.0.1',
    POSTGRESQL_DB_USER: 'schema_plus_test',
    POSTGRESQL_DB_PASS: 'database',
  },
  mysql2:     {
    MYSQL_DB_HOST: '127.0.0.1',
    MYSQL_DB_USER: 'root',
    MYSQL_DB_PASS: 'database',
  },
}.freeze

DB_STARTUP =

{
  postgresql: [
                {
                  name: 'Start Postgresql',
                  if:   "matrix.db == 'postgresql'",
                  run:  "                    docker run --rm --detach \\\\\n                      -e POSTGRES_USER=$POSTGRESQL_DB_USER \\\\\n                      -e POSTGRES_PASSWORD=$POSTGRESQL_DB_PASS \\\\\n                      -p 5432:5432 \\\\\n                      --health-cmd \"pg_isready -q\" \\\\\n                      --health-interval 5s \\\\\n                      --health-timeout 5s \\\\\n                      --health-retries 5 \\\\\n                      --name database postgres:${{ matrix.dbversion }}\n                  BASH\n                },\n              ],\n  mysql2:     [\n                {\n                  name: 'Start Mysql',\n                  if:   \"matrix.db == 'mysql2'\",\n                  run:  <<~BASH\n                    docker run --rm --detach \\\\\n                      -e MYSQL_ROOT_PASSWORD=$MYSQL_DB_PASS \\\\\n                      -p 3306:3306 \\\\\n                      --health-cmd \"mysqladmin ping --host=127.0.0.1 --password=$MYSQL_DB_PASS --silent\" \\\\\n                      --health-interval 5s \\\\\n                      --health-timeout 5s \\\\\n                      --health-retries 5 \\\\\n                      --name database mysql:5.6\n                  BASH\n                }\n              ],\n}.freeze\n"

DB_SETUP_NEEDED =

%w[postgresql mysql2].freeze

DB_SETUP =

[
  {
    name: 'Wait for database to start',
    if:   "(matrix.db == 'postgresql' || matrix.db == 'mysql2')",
    run:  "      COUNT=0\n      ATTEMPTS=20\n      until [[ $COUNT -eq $ATTEMPTS ]]; do\n        [ \"$(docker inspect -f {{.State.Health.Status}} database)\" == \"healthy\" ] && break\n        echo $(( COUNT++ )) > /dev/null\n        sleep 2\n      done\n    BASH\n  },\n  {\n    name: 'Create testing database',\n    if:   \"(matrix.db == 'postgresql' || matrix.db == 'mysql2')\",\n    run:  'bundle exec rake create_ci_database',\n  },\n].freeze\n"

DB_TEARDOWN_NEEDED =

%w[postgresql mysql2].freeze

DB_TEARDOWN =

[
  {
    name: 'Shutdown database',
    if:   "always() && (matrix.db == 'postgresql' || matrix.db == 'mysql2')",
    run:  'docker stop database',
  }
].freeze

Instance Method Summary collapse

Instance Method Details

#build(config) ⇒ `Object`

# File 'lib/schema_dev/github_actions.rb', line 170

def build(config)
  matrix, env = build_matrices(config)
  db_setup    = []
  db_teardown = []
  config.db.each do |db|
    db_setup.concat DB_STARTUP.fetch(db.to_sym, [])
  end
  db_setup.concat(DB_SETUP) if config.db.any? { |e| DB_SETUP_NEEDED.include?(e) }
  db_teardown.concat(DB_TEARDOWN) if config.db.any? { |e| DB_TEARDOWN_NEEDED.include?(e) }

  strategy = {
    'fail-fast': false,
    matrix:      matrix,
  }

  steps = [
    *STEPS[:start],
    *db_setup,
    *STEPS[:test],
    *db_teardown,
    *STEPS[:finish],
  ]

  {}.tap do |workflow|
    workflow.merge!(BASIC_WORKFLOW)
    workflow[:jobs] = {
      test:   {}.merge(BASIC_JOB)
                .merge({
                         strategy: strategy,
                         env:      env,
                         steps:    steps
                       }.compact),
      finish: {
                needs: 'test'
              }.merge(BASIC_JOB)
               .merge(steps: FINISH_STEPS)
    }
  end.deep_stringify_keys
end

#build_matrices(config) ⇒ `Object`

# File 'lib/schema_dev/github_actions.rb', line 210

def build_matrices(config)
  include_skip = false

  matrix = {
    ruby:         config.ruby,
    activerecord: config.activerecord,
    db:           [*config.db],
    dbversion:    [],
    exclude:      [],
    include:      [],
  }

  if config.exclude.any?
    matrix[:exclude] = config.exclude.map(&:to_hash).reject { |e| e.key?(:dbversion) }
  end

  env = {}.merge(BASIC_ENV)
  config.db.each do |db|
    env.merge!(DB_ENV.fetch(db.to_sym, {}))
  end

  if config.db.include?('postgresql')
    include_skip = true
    matrix[:db].delete('postgresql')
    config.matrix(db: 'postgresql', with_dbversion: true).map do |entry|
      matrix[:include] << entry
    end
  end

  if include_skip
    matrix[:db] << 'skip'
    matrix[:dbversion] << 'skip'
    matrix[:exclude] << { db: 'skip', dbversion: 'skip' }
  end

  [
    matrix.reject { |_, val| val.empty? },
    env
  ]
end

#update(config) ⇒ `Object`

# File 'lib/schema_dev/github_actions.rb', line 251

def update(config)
  filepath = Pathname.new(WORKFLOW_FILE)
  filepath.dirname.mkpath
  newworkflow = build(config)
  oldworkflow = YAML.safe_load(filepath.read) rescue nil
  if oldworkflow != newworkflow
    yaml_output = newworkflow.to_yaml(line_width: -1)
    # fix for some broken libyaml implementations (< 0.2.5)
    yaml_output.gsub!('pull_request: ', 'pull_request:')
    filepath.write HEADER + yaml_output
    return true
  end
  false
end