Class: SmartMachine::Grids::Terminal

Inherits:
Base
  • Object
show all
Defined in:
lib/smart_machine/grids/terminal.rb,
lib/smart_machine/grids/terminal/wetty.rb

Defined Under Namespace

Classes: Wetty

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:) ⇒ Terminal

Returns a new instance of Terminal.



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# File 'lib/smart_machine/grids/terminal.rb', line 4

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

  @image = "smartmachine/terminal:#{SmartMachine.version}"
  @host = config.dig(:host)
  @frontend = config.dig(:frontend)
  @packages = config.dig(:packages)
  @username = config.dig(:username)
  @password = config.dig(:password)

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

  @wetty = Wetty.new(name: "#{@name}-wetty", host: @host, ssh_host: @name)
end

Instance Method Details

#downer ⇒ Object 



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# File 'lib/smart_machine/grids/terminal.rb', line 102

def downer
  # Stopping & Removing containers - in reverse order

  @wetty.downer

  print "-----> Stopping container #{@name} ... "
  if system("docker stop '#{@name}'", out: File::NULL)
    puts "done"
    print "-----> Removing container #{@name} ... "
    if system("docker rm '#{@name}'", out: File::NULL)
      puts "done"
    end
  end
end

#installer ⇒ Object 



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# File 'lib/smart_machine/grids/terminal.rb', line 21

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

#uninstaller ⇒ Object 



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# File 'lib/smart_machine/grids/terminal.rb', line 40

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

#uper ⇒ Object 



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# File 'lib/smart_machine/grids/terminal.rb', line 55

def uper
  if system("docker image inspect #{@image}", [:out, :err] => File::NULL)
    FileUtils.mkdir_p("#{@home_dir}/machine/grids/terminal/#{@name}/backups")

    # Creating & Starting containers
    print "-----> Creating container #{@name} ... "

    command = [
      "docker create",
      "--name='#{@name}'",
      "--env VIRTUAL_HOST=#{@host}",
      "--env VIRTUAL_PATH=#{@frontend}",
      "--env VIRTUAL_PORT=80",
      "--env LETSENCRYPT_HOST=#{@host}",
      "--env LETSENCRYPT_EMAIL=#{SmartMachine.config.sysadmin_email}",
      "--env LETSENCRYPT_TEST=false",
      "--env CONTAINER_NAME='#{@name}'",
      "--env PACKAGES='#{@packages.join(' ')}'",
      "--env USERNAME=#{@username}",
      "--env PASSWORD=#{@password}",
      "--publish='2223:2223'", # TODO: Remove this published port and move it behind the reverse proxy when ready.
      "--volume='#{@name}-home:/home'",
      "--volume='#{@home_dir}/smartmachine/grids/terminal/#{@name}/backups:/root/backups'", # TODO: Do not volumize backups folder by default. Give option in the config file to decide what volume should be exposed from host to terminal.
      "--volume='#{@home_dir}/smartmachine/apps/containers:/mnt/smartmachine/apps/containers'", # TODO: Do not volumize containers folder by default. Give option in the config file to decide what volume should be exposed from host to terminal.
      "--init",
      "--restart='always'",
      "--network='nginx-network'",
      "#{@image}"
    ]
    if system(command.compact.join(" "), out: File::NULL)
      puts "done"
      puts "-----> Starting container #{@name} ... "
      if system("docker start #{@name}", out: File::NULL)
        puts "done"

        @wetty.uper
      else
        raise "Error: Could not start container: #{@name}"
      end
    else
      raise "Error: Could not create container: #{@name}"
    end
  else
    raise "Error: Could not find image: #{@image}"
  end
end