Class: Ridley::SSH::Worker Private

Inherits:
Object
  • Object
show all
Includes:
Celluloid, Celluloid::Logger
Defined in:
lib/ridley/ssh/worker.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Author:

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Worker

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Worker.

Parameters:

  • options (Hash) (defaults to: {}) 


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# File 'lib/ridley/ssh/worker.rb', line 10

def initialize(options = {})
  @options = options
  @user    = options.fetch(:user)
end

Instance Method Details

#run(host, command) ⇒ Array

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:

  • host (String)
  • command (String)

Returns:

  • (Array) 


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# File 'lib/ridley/ssh/worker.rb', line 19

def run(host, command)
  response = Response.new("", "")
  debug "Running SSH command: '#{command}' on: '#{host}' as: '#{user}'"

  Net::SSH.start(host, user, options) do |ssh|          
    ssh.open_channel do |channel|
      channel.exec(command) do |ch, success|
        unless success
          raise "FAILURE: could not execute command"
        end

        channel.on_data do |ch, data|
          response.stdout += data
        end

        channel.on_extended_data do |ch, type, data|
          response.stderr += data
        end

        channel.on_request("exit-status") do |ch, data|
          response.exit_code = data.read_long
        end

        channel.on_request("exit-signal") do |ch, data|
          response.exit_signal = data.read_string
        end
      end
    end

    ssh.loop
  end

  case response.exit_code
  when 0
    debug "Successfully ran SSH command: '#{command}' on: '#{host}' as: '#{user}' and it succeeded"
    [ :ok, response ]
  else
    debug "Successfully ran SSH command: '#{command}' on: '#{host}' as: '#{user}' but it failed"
    [ :error, response ]
  end
rescue => e
  debug "Failed to run SSH command: '#{command}' on: '#{host}' as: '#{user}'"
  [ :error, e.message ]
end