Class: Jefe

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

Defined Under Namespace

Classes: CLI, ColorPrinter, EM

Constant Summary collapse

VERSION = 
"1.0.0"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Jefe

Returns a new instance of Jefe.



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# File 'lib/jefe.rb', line 7

def initialize
  @process_types = {}
end

Instance Attribute Details

#backend ⇒ Object

Returns the value of attribute backend.



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# File 'lib/jefe.rb', line 10

def backend
  @backend
end

#printer ⇒ Object

Returns the value of attribute printer.



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# File 'lib/jefe.rb', line 10

def printer
  @printer
end

#process_types ⇒ Object

Returns the value of attribute process_types.



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# File 'lib/jefe.rb', line 10

def process_types
  @process_types
end

Instance Method Details

#add_process_type(name, command) ⇒ Object 



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# File 'lib/jefe.rb', line 18

def add_process_type name, command
  @process_types[name] = command
end

#load(file) ⇒ Object 



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# File 'lib/jefe.rb', line 11

def load file
  file.split("\n").each do |line|
    if line =~ /^([A-Za-z0-9_]+):\s*(.+)$/
      add_process_type $1, $2
    end
  end
end

#start(concurrency, port) ⇒ Object 



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# File 'lib/jefe.rb', line 22

def start concurrency, port   
  processes = []
  concurrency.each do |(name, num)|
    num.times do |i|
      env = { "PORT" => (port + i) }
      command = self.process_types[name].gsub(/\$(\w+)/) { env[$1] || ENV[$1] }
      processes.push ["#{name}.#{i}", command]
    end
    port += 100
  end
  
  self.printer.out "system", "starting"
  self.backend.start do |b|
    processes.each do |(name, command)|
      self.printer.out name, "starting #{command}"
      b.add name, command
    end
  end
  
end

#stop ⇒ Object 



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# File 'lib/jefe.rb', line 43

def stop
  self.printer.out "system", "stopping"
  self.backend.stop
end