Class: Homeseed::Connection

Inherits:
Object
  • Object
show all
Defined in:
lib/homeseed.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Connection

Returns a new instance of Connection.



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# File 'lib/homeseed.rb', line 17

def initialize(params={})
  raise unless params[:servers] and (params[:files] or params[:command]) and params[:user]
  @servers = params[:servers].split(',')
  @user = params[:user]
  @has_password = params[:password]

  if params[:command]
    @flat_commands = params[:command]
  else
    @files = params[:files].split(',')
    @flat_commands = ''
    @files.each do |file|
      yml_commands = YAML.load_file(file)
      commands = []
      self.process_hash(commands, '', yml_commands)
      @flat_commands += commands.join('; ') + ';'
    end
  end
end

Class Method Details

.logger ⇒ Object 



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# File 'lib/homeseed.rb', line 9

def self.logger
  @logger ||= Logger.new(STDOUT)
end

Instance Method Details

#logger ⇒ Object 



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# File 'lib/homeseed.rb', line 13

def logger
  self.class.logger
end

#process_hash(commands, current_key, obj) ⇒ Object 



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# File 'lib/homeseed.rb', line 37

def process_hash(commands, current_key, obj)
  if obj.is_a?(Hash)
    obj.each do |new_key, value|
      combined_key = [current_key, new_key].delete_if { |k| k == '' }.join(" ")
      process_hash(commands, combined_key, value)
    end
  else obj.is_a?(Array)
    obj.each do |value|
      combined_key = [current_key, value].delete_if { |k| k == '' }.join(" ")
      commands << combined_key
    end
  end
end

#ssh_exec ⇒ Object 



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# File 'lib/homeseed.rb', line 51

def ssh_exec
  Hash[@servers.map do |server|
    logger.info "ssh #{@user}@#{server} exec: #{@flat_commands}"

    password = @has_password ? ask("Enter password: ") { |q| q.echo = "*" } : ''
    exit_status = 0
    Net::SSH.start(server, @user, password: password) do |ssh|
      ssh.open_channel do |channel|
        channel.exec("bash -l") do |ch, success|
          ch.send_data "#{@flat_commands}\n"
          ch.on_data do |c, data|
            data_lines = data.split(/[\r,\n]/)
            data_lines.each do |data_line|
              logger.info data_line unless data_line == ''
            end
          end

          ch.on_extended_data do |c, type, data|
            exit_status = 1
            data_lines = data.split(/[\r,\n]/)
            data_lines.each do |data_line|
              logger.error data_line unless data_line == ''
            end
          end
          ch.send_data "exit\n"
        end
      end
    end
    [server, { exit_status: exit_status }]
  end]
end