Class: Hamal::RemoteExecutor

Inherits:
Object
  • Object
show all
Includes:
Helpers
Defined in:
lib/hamal.rb

Defined Under Namespace

Classes: ExecResult

Instance Method Summary collapse

Methods included from Helpers

#log, #on_server

Methods included from Config

#app_local_ports, #app_name, #app_repo, #config_file, #deploy_config, #deploy_env, #deployed_image, #deployed_revision, #project_root, #server

Constructor Details

#initialize(remote_user, remote_dir) ⇒ RemoteExecutor

Returns a new instance of RemoteExecutor.



43
44
45
46
47
48
 
# File 'lib/hamal.rb', line 43

def initialize(remote_user, remote_dir)
  @remote_user = remote_user
  @remote_dir = remote_dir

  raise "Invalid remote user #{@remote_user}" unless [:root, :rails].include? @remote_user
end

Instance Method Details

#sh(command, interactive: false, abort_on_error: false) ⇒ Object 



50
51
52
53
54
 
# File 'lib/hamal.rb', line 50

def sh(command, interactive: false, abort_on_error: false)
  dir_override = "cd #{@remote_dir};" if @remote_dir
  user_override = "runuser -u rails" if @remote_user == :rails
  ssh "#{dir_override} #{user_override} #{command}", interactive:, abort_on_error:
end

#sh!(command, interactive: false) ⇒ Object 



56
 
# File 'lib/hamal.rb', line 56

def sh!(command, interactive: false) = sh command, interactive:, abort_on_error: true

#ssh(remote_command, abort_on_error:, interactive: false) ⇒ Object 



58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
 
# File 'lib/hamal.rb', line 58

def ssh(remote_command, abort_on_error:, interactive: false)
  remote_command = remote_command.gsub "'", %q('"'"')

  output =
    if interactive
      spawn "ssh -tt root@#{server} '#{remote_command}'", out: $stdout, err: $stderr, in: $stdin
      Process.wait
      nil
    else
      `ssh root@#{server} '#{remote_command}'`.strip
    end

  abort "Failed to execute `#{remote_command}` on `#{server}`" if abort_on_error && !$CHILD_STATUS.success?

  ExecResult.new output:, exit_code: $CHILD_STATUS.exitstatus
end