Module: Capistrano::DataPlaneApi::ShowState

Defined in:
lib/capistrano/data_plane_api/show_state.rb

Overview

Creates a human readable summary of the state of HAProxy backends and servers to stdout.

Class Method Summary collapse

Class Method Details

.call ⇒ Object

: -> String



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# File 'lib/capistrano/data_plane_api/show_state.rb', line 15

def call
  pastel = ::Pastel.new
  result = ::String.new

  result << pastel.blue.bold('HAProxy State')
  result << "\n"
  result << pastel.bold.yellow(::Time.now.to_s)
  result << "\n\n"
  config = ::DataPlaneApi::Configuration.new.tap do |c|
    c.logger = ::Logger.new($stdout)
    c.logger.level = ::Logger::FATAL
    c.timeout = 2
  end

  ::Capistrano::DataPlaneApi.configuration.backends&.each do |backend|
    result << ::TTY::Box.frame(title: { top_left: backend_name(backend) }) do
      b = ::String.new
      servers =
        ::Capistrano::DataPlaneApi.get_backend_servers_settings(
          T.must(backend.name),
          config: config,
        ).body

      servers.each do |server|
        operational_state = operational_state(server)
        admin_state = admin_state(server)
        b << ::TTY::Box.frame(title:  { top_left: server_name(server) }, border: :thick) do
          s = ::String.new
          s << "      admin_state: #{admin_state}\n"
          s << "operational_state: #{operational_state}\n"
          s
        end
      end
      b

    rescue Error, ::Faraday::ConnectionFailed, ::Faraday::TimeoutError
      b = T.must(b)
      b << pastel.bold.bright_red('Unavailable!')
      b << "\n"
      b
    end
  end

  result
end