Class: SmartMachine::Grids::Emailer

Inherits:
Base
  • Object
show all
Defined in:
lib/smart_machine/grids/emailer.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:) ⇒ Emailer

Returns a new instance of Emailer.



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

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

  @image = "smartmachine/emailer:#{SmartMachine.version}"
  @fqdn = config.dig(:fqdn)
  @mailname = config.dig(:mailname)
  @sysadmin_email = config.dig(:sysadmin_email)
  @networks = config.dig(:networks)
  @mysql_host = config.dig(:mysql_host)
  @mysql_port = config.dig(:mysql_port)
  @mysql_user = config.dig(:mysql_user)
  @mysql_password = config.dig(:mysql_password)
  @mysql_database_name = config.dig(:mysql_database_name)
  @monit_smtp_email_name = config.dig(:monit_smtp_email_name)
  @monit_smtp_email_address = config.dig(:monit_smtp_email_address)
  @monit_smtp_host = config.dig(:monit_smtp_host)
  @monit_smtp_port = config.dig(:monit_smtp_port)
  @monit_smtp_username = config.dig(:monit_smtp_username)
  @monit_smtp_password = config.dig(:monit_smtp_password)
  @oracle_ips_allowed = config.dig(:oracle_ips_allowed)
  @oracle_deflect_url = config.dig(:oracle_deflect_url)

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

Instance Method Details

#downer ⇒ Object 



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# File 'lib/smart_machine/grids/emailer.rb', line 141

def downer
  # Disconnecting networks
  @networks.reverse.each do |network|
    system("docker network disconnect #{network} #{@name}")
  end

  # Stopping & Removing containers - in reverse order
  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/emailer.rb', line 31

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/emailer",
      "<<'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 emailer uninstall' and try installing again."
  end
end

#uninstaller ⇒ Object 



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# File 'lib/smart_machine/grids/emailer.rb', line 50

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: Emailer already uninstalled. Please install using 'smartmachine grids emailer install' and try uninstalling again."
    end
  else
    raise "Error: Emailer is currently running. Please stop the emailer using 'smartmachine grids emailer down' and try uninstalling again."
  end
end

#uper ⇒ Object 



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# File 'lib/smart_machine/grids/emailer.rb', line 65

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

    # Setting entrypoint permission.
    system("chmod +x #{@home_dir}/machine/config/emailer/docker/entrypoint.rb")

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

    command = [
      "docker create",
      "--name='#{@name}'",
      "--env VIRTUAL_HOST=#{@fqdn}",
      "--env VIRTUAL_PATH='/'",
      "--env LETSENCRYPT_HOST=#{@fqdn}",
      "--env LETSENCRYPT_EMAIL=#{@sysadmin_email}",
      "--env LETSENCRYPT_TEST=false",
      "--env CONTAINER_NAME='#{@name}'",
      "--env FQDN='#{@fqdn}'",
      "--env MAILNAME='#{@mailname}'",
      "--env SYSADMIN_EMAIL='#{@sysadmin_email}'",
      "--env MYSQL_HOST='#{@mysql_host}'",
      "--env MYSQL_PORT='#{@mysql_port}'",
      "--env MYSQL_USER='#{@mysql_user}'",
      "--env MYSQL_PASSWORD='#{@mysql_password}'",
      "--env MYSQL_DATABASE_NAME='#{@mysql_database_name}'",
      "--env MONIT_SMTP_EMAIL_NAME='#{@monit_smtp_email_name}'",
      "--env MONIT_SMTP_EMAIL_ADDRESS='#{@monit_smtp_email_address}'",
      "--env MONIT_SMTP_HOST='#{@monit_smtp_host}'",
      "--env MONIT_SMTP_PORT='#{@monit_smtp_port}'",
      "--env MONIT_SMTP_USERNAME='#{@monit_smtp_username}'",
      "--env MONIT_SMTP_PASSWORD='#{@monit_smtp_password}'",
      "--env ORACLE_IPS_ALLOWED='#{@oracle_ips_allowed.join(' ')}'",
      "--env ORACLE_DEFLECT_URL='#{@oracle_deflect_url}'",
      "--expose='80'",
      "--publish='25:25'",
      # "--publish='465:465'",
      "--publish='587:587'",
      # "--publish='110:110'",
      "--publish='995:995'",
      # "--publish='143:143'",
      "--publish='993:993'",
      "--volume='#{@home_dir}/smartmachine/grids/nginx/certificates/#{@fqdn}:/etc/letsencrypt/live/#{@fqdn}:ro'",
      "--volume='#{@home_dir}/smartmachine/config/emailer:/smartmachine/config/emailer:ro'",
      "--volume='#{@home_dir}/smartmachine/grids/emailer/#{@name}/data/vmail:/var/vmail'",
      "--volume='#{@home_dir}/smartmachine/grids/emailer/#{@name}/data/opendkim:/etc/opendkim'",
      "--entrypoint='/smartmachine/config/emailer/docker/entrypoint.rb'",
      "--tmpfs /run/tmpfs",
      "--init",
      "--restart='always'",
      "--network='nginx-network'",
      "#{@image}"
    ]
    if system(command.compact.join(" "), out: File::NULL)
      @networks.each do |network|
        system("docker network connect --alias #{@fqdn} #{network} #{@name}")
      end

      puts "done"
      puts "-----> Starting container #{@name} ... "
      if system("docker start #{@name}", out: File::NULL)
        puts "done"
      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