Class: Brut::CLI::Apps::Deploy::DockerCompose::Generate

Inherits:

Commands::BaseCommand

• Object
• Commands::BaseCommand
• Brut::CLI::Apps::Deploy::DockerCompose::Generate

Defined in:

lib/brut/cli/apps/deploy.rb

Instance Attribute Summary

Attributes inherited from Commands::BaseCommand

#parent_command

Instance Method Summary

• #default_rack_env ⇒ Object
• #description ⇒ Object
• #run ⇒ Object

Methods inherited from Commands::BaseCommand

#accepts, #args_description, #argv, #bootstrap?, #commands, #delegate_to_command, #detailed_description, #env, #env_vars, #execute, #name, #options, #opts, #print, #puts, #stdin, #system!, #theme

Instance Method Details

#default_rack_env ⇒ Object

# File 'lib/brut/cli/apps/deploy.rb', line 263

def default_rack_env = "development"

#description ⇒ Object

# File 'lib/brut/cli/apps/deploy.rb', line 262

def description = "Generate or update the existing docker-compose.yml based on current deploy config"

#run ⇒ Object

# File 'lib/brut/cli/apps/deploy.rb', line 264

def run
  docker_compose_path = Brut.container.project_root / "deploy" / "docker-compose.yml"
  deploy_config_path = Brut.container.project_root / "deploy" / "deploy_config.rb"
  begin
    require deploy_config_path
    if !defined?(AppDeployConfig)
      fatal "#{deploy_config_path} must define the class AppDeployConfig"
      return 1
    end
    if !AppDeployConfig.ancestors.include?(Brut::CLI::Apps::Deploy::DeployConfig)
      fatal "#{deploy_config_path} must define a subclass of Brut::CLI::Apps::Deploy::DeployConfig"
      return 1
    end
    config = AppDeployConfig.new
    yaml_contents = if docker_compose_path.exist?
                      YAML.load(File.read(docker_compose_path))
                    else
                      {}
                    end
    yaml_contents["services"] ||= {}

    image_name = "#{Brut.container.app_organization}/#{Brut.container.app_id}:${DOCKER_IMAGE_TAG}"
    if config.registry_hostname
      image_name = "#{config.registry_hostname}/#{image_name}"
    end
    configured_services = []
    config.processes.each do |process_description|
      configured_services << process_description.name
      existing = yaml_contents["services"][process_description.name]
      if !existing
        puts "Creating configuration for '#{process_description.name}'"
        existing = {
          "env_file" => "/etc/#{Brut.container.app_id}/env",
          "extra_hosts" => [
            "host.docker.internal:host-gateway",
          ],
          "restart" => "unless-stopped",
        }
        if process_description.name == "web"
          existing["ports"] = [
            "127.0.0.1:6502:6502",
          ]
        end
      else
        puts "Updating image and command for '#{process_description.name}'"
      end
      existing["image"] = image_name
      existing["command"] = process_description.cmd
      yaml_contents["services"][process_description.name] = existing
    end
    trimmed_services = yaml_contents["services"].select { |service_name, service_configuration|
      configured_services.include?(service_name).tap { |exists|
        if !exists
          puts "Removing configuration for '#{service_name}'"
        end
      }
    }.to_h
    yaml_contents["services"] = trimmed_services

    File.open(docker_compose_path,"w") do |file|
      file.puts YAML.dump(yaml_contents)
    end
    0
  rescue LoadError => ex
    fatal "Could not find #{deploy_config_path}: #{ex}"
    1
  end
end