Class: Foreman::Export::Inittab

Inherits:
Base
  • Object
show all
Defined in:
lib/foreman/export/inittab.rb

Instance Attribute Summary

Attributes inherited from Base

#engine

Instance Method Summary collapse

Methods inherited from Base

#initialize

Constructor Details

This class inherits a constructor from Foreman::Export::Base

Instance Method Details

#export(fname = nil, options = {}) ⇒ Object 



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# File 'lib/foreman/export/inittab.rb', line 5

def export(fname=nil, options={})
  app = options[:app] || File.basename(engine.directory)
  user = options[:user] || app
  log_root = options[:log] || "/var/log/#{app}"

  concurrency = Foreman::Utils.parse_concurrency(options[:concurrency])

  inittab = []
  inittab << "# ----- foreman #{app} processes -----"

  engine.processes.values.inject(1) do |index, process|
    1.upto(concurrency[process.name]) do |num|
      id = app.slice(0, 2).upcase + sprintf("%02d", index)
      port = engine.port_for(process, num, options[:port])
      inittab << "#{id}:4:respawn:/bin/su - #{user} -c 'PORT=#{port} #{process.command} >> #{log_root}/#{process.name}-#{num}.log 2>&1'"
      index += 1
    end
    index
  end

  inittab << "# ----- end foreman #{app} processes -----"

  inittab = inittab.join("\n") + "\n"

  if fname
    FileUtils.mkdir_p(log_root) rescue error "could not create #{log_root}"
    FileUtils.chown(user, nil, log_root) rescue error "could not chown #{log_root} to #{user}"
    write_file(fname, inittab)
  else
    puts inittab
  end
end