Class: Procsd::CLI

Inherits:
Thor
  • Object
show all
Defined in:
lib/procsd/cli.rb

Defined Under Namespace

Classes: ArgumentError, ConfigurationError

Instance Method Summary collapse

Instance Method Details

#__exec(process_name) ⇒ Object

Raises:



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# File 'lib/procsd/cli.rb', line 206

def __exec(process_name)
  preload!

  start_cmd = @config[:processes].dig(process_name, "commands", "ExecStart")
  raise ArgumentError, "Process is not defined: #{process_name}" unless start_cmd

  if options["env"]
    @config[:environment].each { |k, v| @config[:environment][k] = v.to_s }
    exec @config[:environment], start_cmd
  else
    exec start_cmd
  end
end

#__print_version ⇒ Object 



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# File 'lib/procsd/cli.rb', line 222

def __print_version
  puts VERSION
end

#config(name) ⇒ Object 



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# File 'lib/procsd/cli.rb', line 192

def config(name)
  preload!

  case name
  when "sudoers"
    say generate_sudoers_rule(ENV["USER"])
  else
    raise ArgumentError, "Wring type of argument: #{name}"
  end
end

#create ⇒ Object

Raises:



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# File 'lib/procsd/cli.rb', line 15

def create
  raise ConfigurationError, "Can't find systemctl executable available" unless in_path?("systemctl")

  preload!
  if @config[:nginx]
    raise ConfigurationError, "Can't find nginx executable available" unless in_path?("nginx")
    unless Dir.exist?(File.join options["dir"], "public")
      raise ConfigurationError, "Missing public/ folder to use with Nginx"
    end
    unless @config.dig(:environment, "PORT")
      raise ConfigurationError, "Please provide PORT environment variable in procsd.yml to use with Nginx"
    end
    if @config[:nginx]["ssl"]
      raise ConfigurationError, "Can't find certbot executable available" unless in_path?("certbot")
    end
  end

  if !target_exist?
    perform_create
  else
    if options["or-restart"]
      restart
    else
      say("App target `#{target_name}` already exists", :red)
    end
  end
end

#destroy ⇒ Object 



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# File 'lib/procsd/cli.rb', line 44

def destroy
  preload!

  if target_exist?
    stop
    disable

    units.each do |filename|
      path = File.join(systemd_dir, filename)
      execute %W(sudo rm #{path}) and say "Deleted: #{path}" if File.exist?(path)
    end

    if execute %w(sudo systemctl daemon-reload)
      say("Reloaded configuraion (daemon-reload)", :green)
    end
    say("App services were stopped, disabled and removed", :green)

    sudoers_file_path = "#{SUDOERS_DIR}/#{app_name}"
    if system "sudo", "test", "-e", sudoers_file_path
      say("Sudoers file removed", :green) if execute %W(sudo rm #{sudoers_file_path})
    end

    if @config[:nginx]
      enabled_path = File.join(NGINX_DIR, "sites-enabled", app_name)
      available_path = File.join(NGINX_DIR, "sites-available", app_name)
      [enabled_path, available_path].each do |path|
        execute %W(sudo rm #{path}) and say "Deleted: #{path}" if File.exist?(path)
      end

      execute %w(sudo systemctl reload-or-restart nginx)
      say("Nginx config removed and daemon reloaded", :green)
    end
  else
    say_target_not_exists
  end
end

#disable ⇒ Object 



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# File 'lib/procsd/cli.rb', line 93

def disable
  preload!
  say_target_not_exists and return unless target_exist?

  say "Note: app target #{target_name} already disabled" if !target_enabled?
  if execute %W(sudo systemctl disable #{target_name})
    say("Disabled app target #{target_name}", :green)
  end
end

#enable ⇒ Object 



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# File 'lib/procsd/cli.rb', line 82

def enable
  preload!
  say_target_not_exists and return unless target_exist?

  say "Note: app target #{target_name} already enabled" if target_enabled?
  if execute %W(sudo systemctl enable #{target_name})
    say("Enabled app target #{target_name}", :green)
  end
end

#list ⇒ Object 



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# File 'lib/procsd/cli.rb', line 183

def list
  preload!
  say_target_not_exists and return unless target_exist?

  command = %W(systemctl list-dependencies #{target_name})
  execute command, type: :exec
end

#logs(service_name = nil) ⇒ Object 



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# File 'lib/procsd/cli.rb', line 168

def logs(service_name = nil)
  preload!

  command = %w(journalctl --no-pager --no-hostname --all --output short-iso)
  command.push("-n", options.fetch("num", "100"))
  command.push("-f") if options["tail"]
  command.push("--system") if options["system"]
  command.push("--priority", options["priority"]) if options["priority"]
  command.push("--grep", "'" + options["grep"] + "'") if options["grep"]

  command.push("--unit", "#{app_name}-#{service_name}*")
  execute command, type: :exec
end

#restart ⇒ Object 



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# File 'lib/procsd/cli.rb', line 126

def restart
  preload!
  say_target_not_exists and return unless target_exist?

  # If one of the child services of a target has `ExecReload` and `ReloadPropagatedFrom`
  # options defined, then use `reload-or-restart` to call all services (not the main target)
  # because of systemd bug https://github.com/systemd/systemd/issues/10638
  success =
    if has_reload?
      execute %W(sudo systemctl reload-or-restart #{app_name}-* --all)
    else
      execute %W(sudo systemctl restart #{target_name})
    end

  if success
    say("Restarted app services (#{target_name})", :green)
  end
end

#start ⇒ Object 



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# File 'lib/procsd/cli.rb', line 104

def start
  preload!
  say_target_not_exists and return unless target_exist?

  say "Note: app target #{target_name} already started/active" if target_active?
  if execute %W(sudo systemctl start #{target_name})
    say("Started app services (#{target_name})", :green)
  end
end

#status(service_name = nil) ⇒ Object 



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# File 'lib/procsd/cli.rb', line 148

def status(service_name = nil)
  preload!
  say_target_not_exists and return unless target_exist?

  if options["short"]
    command = %w(systemctl list-units --no-pager --no-legend --all)
  else
    command = %w(systemctl status --no-pager --output short-iso --all)
  end

  command << (options["target"] ? target_name : "#{app_name}-#{service_name}*")
  execute command, type: :exec
end

#stop ⇒ Object 



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# File 'lib/procsd/cli.rb', line 115

def stop
  preload!
  say_target_not_exists and return unless target_exist?

  say "Note: app target #{target_name} already stopped/inactive" if !target_active?
  if execute %W(sudo systemctl stop #{target_name})
    say("Stopped app services (#{target_name})", :green)
  end
end