Class: Brut::CLI::Apps::HerokuContainerBasedDeploy::Deploy

Inherits:
Command
  • Object
show all
Defined in:
lib/brut/cli/apps/heroku_container_based_deploy.rb

Overview

Better way:

brut deploy check - do basic checks that a deploy should happen brut deploy build - build artifacts for deploy e.g. Docker image brut deploy deploy - do the actual deployment (does a check, then build first) brut deploy - defaults to brut deploy deploy

Instance Method Summary collapse

Instance Method Details

#after_bootstrap(app:) ⇒ Object 



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# File 'lib/brut/cli/apps/heroku_container_based_deploy.rb', line 34

def after_bootstrap(app:)
  @app_id       = app.id
  @organization = app.organization
end

#execute ⇒ Object 



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# File 'lib/brut/cli/apps/heroku_container_based_deploy.rb', line 39

def execute
  options.set_default(:deploy, true)
  options.set_default(:push, true)
  if !options.push?
    options[:deploy] = false
  end
  local_repo_checks = Brut::CLI::Apps::DeployBase::GitChecks.new(
    out: @out,
    err: @err,
    executor: @executor,
    warn_only: options.skip_checks? || options.dry_run?
  )
  if options.dry_run?
    def system!(*args)
      out.puts "DRY RUN, NOT EXECUTING '#{args}'"
    end
  end

  version = begin
              git_guess = %{git rev-parse HEAD}
              stdout, stderr, status = Open3.capture3(git_guess)
              if status.success?
                stdout.strip
              else
                raise "Attempt to use git via command '#{git_guess}' to figure out the version failed: #{stdout}#{stderr}"
              end
            end
  short_version = version[0..7]

  platform = options.platform || "linux/amd64"
  heroku_app_name = @app_id

  out.puts "Reading HerokuConfig:"
  require_relative Brut.container.project_root / "deploy" / "heroku_config"

  additional_images = (HerokuConfig.additional_images || {}).map { |name,config|
    cmd = config.fetch(:cmd)
    out.puts "  - #{name} will run #{cmd} in production"
    image_name = %{#{@organization}/#{@app_id}:#{short_version}-#{name}}
    [
      name,
      {
        cmd:,
        image_name:,
        dockerfile: "deploy/Dockerfile.#{name}",
        heroku_image_name: "registry.heroku.com/#{heroku_app_name}/#{name}",
      },
    ]
  }.to_h

  images = {
    "web" => {
      cmd: "bin/run",
      image_name: %{#{@organization}/#{@app_id}:#{short_version}-web},
      dockerfile: "deploy/Dockerfile.web",
      heroku_image_name: "registry.heroku.com/#{heroku_app_name}/web",
    },
    "release" => {
      cmd: "bin/release",
      image_name: %{#{@organization}/#{@app_id}:#{short_version}-release},
      dockerfile: "deploy/Dockerfile.release",
      heroku_image_name: "registry.heroku.com/#{heroku_app_name}/release",
    },
  }.merge(additional_images)

  out.puts "  - release will run bin/release in production"

  local_repo_checks.check!
  require_heroku_login!(options)
  (options)

  FileUtils.chdir Brut.container.project_root do

    out.puts "Generating Dockerfiles"
    images.each do |name,metadata|
      cmd        = metadata.fetch(:cmd)
      dockerfile = metadata.fetch(:dockerfile)

      out.puts "Creating '#{dockerfile}' for '#{name}' that will use command '#{cmd}'"

      File.open(dockerfile,"w") do |file|
        file.puts "# DO NOT EDIT - THIS IS GENERATED"
        file.puts "# To make changes, modifiy deploy/Dockerfile and run #{$0}"
        file.puts File.read("deploy/Dockerfile")
        file.puts
        file.puts "# Added by #{$0}"
        file.puts %{CMD [ "bundle", "exec", "#{cmd}" ]}
      end
    end

    out.puts "Building images"
    docker_quiet_option = if global_options.log_level != "debug"
                            "--quiet"
                          else
                            ""
                          end
    images.each do |name,metadata|
      image_name = metadata.fetch(:image_name)
      dockerfile = metadata.fetch(:dockerfile)


      out.puts "Creating docker image with name '#{image_name}' and platform '#{platform}'"
      command = %{docker build #{docker_quiet_option} --build-arg app_git_sha1=#{version} --file #{Brut.container.project_root}/#{dockerfile} --platform #{platform} --tag #{image_name} .}
      system!(command)
    end

    out.puts "Taggging images for Heroku"
    images.each do |name,metadata|
      image_name        = metadata.fetch(:image_name)
      heroku_image_name = metadata.fetch(:heroku_image_name)

      out.puts "Tagging '#{image_name}' with '#{heroku_image_name}' for Heroku"
      command = %{docker tag #{image_name} #{heroku_image_name}}
      system!(command)
    end

    if options.push?
      out.puts "Pushing to Heroku Registry"
      images.each do |name,metadata|
        heroku_image_name = metadata.fetch(:heroku_image_name)

        out.puts "Pushing '#{heroku_image_name}'"

        command = %{docker push #{docker_quiet_option} #{heroku_image_name}}
        system!(command)
      end
    else
      out.puts "Not pushing images"
    end

    names = images.map(&:first).join(" ")
    deploy_command = "heroku container:release #{names} -a #{heroku_app_name}"
    if options.deploy?
      out.puts "Deploying images to Heroku"
      system!(deploy_command)
    else
      out.puts "Not deploying.  To deploy the images just pushed:"
      out.puts ""
      out.puts "  #{deploy_command}"
    end
  end
end