Contents

module Publisher
  class Ssh
    attr_accessor :remote_user
    attr_accessor :remote_host
    attr_accessor :ssh_key_file

    def remote_execute(command)
      Helper.validates_presence_of remote_user,  "Remote User not set"
      Helper.validates_presence_of remote_host,  "Remote Host not set"
      Helper.validates_presence_of ssh_key_file, "SSH keyfile not set"
      Helper.validates_presence_of command,      "No valid remote command given"

      result          = ''
      # joined_filename = File.join(File.dirname($exec_file_path), ssh_key_file)
      # ssh_key_file    = joined_filename

      if not File.file? ssh_key_file
        $log.writer.error "Can not find SSH keyfile #{ssh_key_file}"
        exit 1
      end

      Net::SSH.start(remote_host, remote_user, \
                     :auth_methods  => ['publickey'], \
                     :forward_agent => true, \
                     :keys          => ssh_key_file, \
                     :timeout       => 30 ) do |session|
        session.open_channel do |ch|
          ch.exec command do |ch, success|
            if not success
              $log.writer.error "Can not execute remote command: '#{command}'"
              exit 1
            end

            ch.on_data do |ch, data|
              if data.empty?
                $log.writer.debug "Command successfully executed"
              else
                $log.writer.debug data
              end
            end

            ch.on_extended_data do |ch, type, data|
              $log.writer.error "could not execute command"
              $log.writer.error data
              exit 1
            end

            ch.on_close do |ch|
              # result << "all done, closing!"
            end

          end
        end
      end
      result
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
depengine-0.0.12	lib/depengine/publisher/ssh.rb