Class: Foreman::Engine

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(procfile) ⇒ Engine

Returns a new instance of Engine.



9
10
11
12
 
# File 'lib/foreman/engine.rb', line 9

def initialize(procfile)
  @procfile  = read_procfile(procfile)
  @directory = File.expand_path(File.dirname(procfile))
end

Instance Attribute Details

#directory ⇒ Object (readonly)

Returns the value of attribute directory.



7
8
9
 
# File 'lib/foreman/engine.rb', line 7

def directory
  @directory
end

#procfile ⇒ Object (readonly)

Returns the value of attribute procfile.



6
7
8
 
# File 'lib/foreman/engine.rb', line 6

def procfile
  @procfile
end

Instance Method Details

#processes ⇒ Object 



14
15
16
17
18
19
20
21
22
 
# File 'lib/foreman/engine.rb', line 14

def processes
  @processes ||= begin
    procfile.split("\n").inject({}) do |hash, line|
      next if line.strip == ""
      process = Foreman::Process.new(*line.split(" ", 2))
      hash.update(process.name => process)
    end
  end
end

#start ⇒ Object 



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/foreman/engine.rb', line 24

def start
  proctitle "ruby: foreman master"

  processes.each do |name, process|
    fork process
  end

  trap("TERM") { kill_and_exit("TERM") }
  trap("INT")  { kill_and_exit("INT")  }

  while true
    pid, status = Process.wait2
    process = running_processes.delete(pid)
    info "exited with code #{status}", process
    fork process
  end
end