Class: SmartMachine::Grids::Prereceiver

Inherits:
Base
  • Object
show all
Defined in:
lib/smart_machine/grids/prereceiver.rb

Instance Method Summary collapse

Methods inherited from Base

#machine_has_engine_installed?, #platform_on_machine?, #user_bash

Methods included from Logger

configure_logger_for, included, #logger, logger_for

Constructor Details

#initialize(name:) ⇒ Prereceiver

Returns a new instance of Prereceiver.



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# File 'lib/smart_machine/grids/prereceiver.rb', line 5

def initialize(name:)
  config = SmartMachine.config.grids.prereceiver.dig(name.to_sym)
  raise "prereceiver config for #{name} not found." unless config

  @git_domain = config.dig(:git_domain)
  @letsencrypt_test = config.dig(:letsencrypt_test)
  @letsencrypt_email = SmartMachine.config.sysadmin_email
  @image_name = "smartmachine/prereceiver:#{SmartMachine.version}"

  @name = name.to_s
  @home_dir = File.expand_path('~')
end

Instance Method Details

#downer ⇒ Object

Stopping & Removing containers - in reverse order



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# File 'lib/smart_machine/grids/prereceiver.rb', line 95

def downer
  if system("docker inspect -f '{{.State.Running}}' '#{@name}'", [:out, :err] => File::NULL)
    puts "-----> Stopping container #{@name} with image #{@image_name} ... "
    if system("docker stop '#{@name}'", out: File::NULL)
      puts "done"

      puts "-----> Removing container #{@name} with image #{@image_name} ... "
      if system("docker rm '#{@name}'", out: File::NULL)

        system("rm -r #{@home_dir}/machine/grids/prereceiver/#{@name}")

        puts "done"
      end
    end
  else
    puts "-----> Container '#{@name}' is currently not running."
  end
end

#installer ⇒ Object 



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# File 'lib/smart_machine/grids/prereceiver.rb', line 18

def installer
  unless system("docker image inspect #{@image_name}", [:out, :err] => File::NULL)
    puts "-----> Creating image #{@image_name} ... "
    command = [
      "docker image build -t #{@image_name}",
      "--build-arg SMARTMACHINE_VERSION=#{SmartMachine.version}",
      "#{SmartMachine.config.gem_dir}/lib/smart_machine/grids/prereceiver"
    ]
    if system(command.join(" "), out: File::NULL)
      puts "done"
    else
      raise "Error: Could not install Prereceiver."
    end
  else
    raise "Error: Prereceiver already installed. Please uninstall using 'smartmachine grids prereceiver uninstall' and try installing again."
  end
end

#prereceive(appname:, username:, oldrev:, newrev:, refname:) ⇒ Object 



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# File 'lib/smart_machine/grids/prereceiver.rb', line 114

def prereceive(appname:, username:, oldrev:, newrev:, refname:)
  manager = SmartMachine::Apps::Manager.new(appname: appname)

  # Loading SmartMachine Environment File
  if File.exist?("#{@home_dir}/machine/config/environment.rb")
    require "#{@home_dir}/machine/config/environment"
  end

  logger.formatter = proc do |severity, datetime, progname, message|
    severity_text = { "DEBUG" => "\u{1f527} #{severity}:", "INFO" => " \u{276f}", "WARN" => "\u{2757} #{severity}:",
                     "ERROR" => "\u{274c} #{severity}:", "FATAL" => "\u{2b55} #{severity}:", "UNKNOWN" => "\u{2753} #{severity}:"
                    }
    "\t\t\t\t#{severity_text[severity]} #{message}\n"
  end

  # Load vars and environment
  container_path = "#{@home_dir}/machine/apps/containers/#{appname}"

  # Verify the user and ensure the user is correct and has access to this repository
  unless manager.env_vars.present? && manager.env_vars['USERNAME'] == username
    logger.error "Unauthorized."
    return
  end

  # Only run this script for the main branch. You can remove this
  # if block if you wish to run it for others as well.
  if refname == "refs/heads/main"
    logger.info "Loading Application ..."

    # Note: There should be no space between + and " in version.
    # Note: date will be UTC date until timezone has been changed.
    version = `date +"%Y%m%d%H%M%S"`.chomp!
    container_path_with_version = "#{container_path}/releases/#{version}"

    unless Dir.exist? container_path_with_version
      FileUtils.mkdir_p(container_path_with_version)
      if system("git archive #{newrev} | tar -x -C #{container_path_with_version}")
        # Deploy app with the latest release
        manager.deploy
      else
        logger.fatal "Could not extract new app version ... Failed."
        return
      end
    else
      logger.fatal "This version name already exists ... Failed."
      return
    end
  else
    # Allow the push to complete for all other branches normally.
    exit 10
  end

  logger.formatter = nil
end

#uninstaller ⇒ Object 



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# File 'lib/smart_machine/grids/prereceiver.rb', line 36

def uninstaller
  unless system("docker inspect -f '{{.State.Running}}' '#{@name}'", [:out, :err] => File::NULL)
    if system("docker image inspect #{@image_name}", [:out, :err] => File::NULL)
      puts "-----> Removing image #{@image_name} ... "
      if system("docker image rm #{@image_name}", out: File::NULL)
        puts "done"
      end
    else
      raise "Error: Prereceiver already uninstalled. Please install using 'smartmachine grids prereceiver install' and try uninstalling again."
    end
  else
    raise "Error: Prereceiver is currently running. Please stop the prereceiver using 'smartmachine grids prereceiver down' and try uninstalling again."
  end
end

#uper ⇒ Object 



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# File 'lib/smart_machine/grids/prereceiver.rb', line 51

def uper
  if system("docker image inspect #{@image_name}", [:out, :err] => File::NULL)
    FileUtils.mkdir_p("#{@home_dir}/machine/grids/prereceiver/#{@name}")
    system("cp #{SmartMachine.config.gem_dir}/lib/smart_machine/grids/prereceiver/pre-receive #{@home_dir}/machine/grids/prereceiver/#{@name}/pre-receive")
    system("chmod +x #{@home_dir}/machine/grids/prereceiver/#{@name}/pre-receive")

    puts "-----> Creating container #{@name} with image #{@image_name} ... "
    command = [
      "docker create",
      "--name='#{@name}'",
      "--env VIRTUAL_PROTO=fastcgi",
      "--env VIRTUAL_HOST=#{@git_domain}",
      "--env LETSENCRYPT_HOST=#{@git_domain}",
      "--env LETSENCRYPT_EMAIL=#{@letsencrypt_email}",
      "--env LETSENCRYPT_TEST=#{@letsencrypt_test}",
      "--env GIT_PROJECT_ROOT=#{@home_dir}/machine/apps/repositories",
      "--env GIT_HTTP_EXPORT_ALL=''",
      "--user `id -u`",
      "--workdir #{@home_dir}/machine",
      "--expose='9000'",
      "--volume='#{@home_dir}/smartmachine/config:#{@home_dir}/machine/config'",
      "--volume='#{@home_dir}/smartmachine/apps:#{@home_dir}/machine/apps'",
      "--volume='#{@home_dir}/smartmachine/grids/prereceiver/#{@name}:#{@home_dir}/machine/grids/prereceiver/#{@name}'",
      "--volume='/var/run/docker.sock:/var/run/docker.sock:ro'",
      "--restart='always'",
      "--network='nginx-network'",
      "#{@image_name}"
    ]
    if system(command.join(" "), out: File::NULL)
      puts "done"

      puts "-----> Starting container #{@name} with image #{@image_name} ... "
      if system("docker start #{@name}", out: File::NULL)
        puts "done"
      else
        raise "Error: Could not start the created image to take UP the prereceiver."
      end
    else
      raise "Error: Could not create image to take UP the prereceiver."
    end
  end
end