Module: MultiProcess::Process::Rails

Defined in:
lib/multi_process/process/rails.rb

Overview

Provides functionality for a process that is a rails server process.

Include this module if required.

Functions include port generation, default server command and availability check based on if server socket is reachable.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#server ⇒ Object

Server wrapper given as argument to ‘server` action.



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# File 'lib/multi_process/process/rails.rb', line 15

def server
  @server
end

Instance Method Details

#available? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/multi_process/process/rails.rb', line 41

def available?
  raise ArgumentError.new "Cannot check availability for port #{port}." if port.zero?

  TCPSocket.new('localhost', port).close
  true
rescue Errno::ECONNREFUSED, Errno::EHOSTUNREACH
  false
end

#configure(opts) ⇒ Object

Load environment options from initialize options.



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# File 'lib/multi_process/process/rails.rb', line 52

def configure(opts)
  super
  puts 'Configure RAILS'
  self.dir = Dir.pwd
  self.dir = opts[:dir].to_s if opts[:dir]
end

#initialize(opts = {}) ⇒ Object 



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# File 'lib/multi_process/process/rails.rb', line 17

def initialize(opts = {})
  self.server = opts[:server] if opts[:server]
  self.port   = opts[:port]   if opts[:port]

  super(*server_command, opts)
end

#port ⇒ Object 



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# File 'lib/multi_process/process/rails.rb', line 37

def port
  @port ||= free_port
end

#port=(port) ⇒ Object 



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# File 'lib/multi_process/process/rails.rb', line 32

def port=(port)
  port = Integer(port)
  @port = port.zero? ? free_port : port
end

#server_command ⇒ Object 



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# File 'lib/multi_process/process/rails.rb', line 24

def server_command
  ['rails', 'server', server, '--port', port].compact.map(&:to_s)
end

#start_childprocess(*args) ⇒ Object 



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# File 'lib/multi_process/process/rails.rb', line 59

def start_childprocess(*args)
  Dir.chdir(dir) { super }
end