Module: Eye::Process::Validate

Included in:
Eye::Process
Defined in:
lib/eye/process/validate.rb

Defined Under Namespace

Classes: Error

Instance Method Summary collapse

Instance Method Details

#validate(config, localize = true) ⇒ Object 



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# File 'lib/eye/process/validate.rb', line 8

def validate(config, localize = true)
  if (str = config[:start_command])
    # it should parse with Shellwords and not raise
    spl = Shellwords.shellwords(str) * '#'

    if config[:daemonize] && !config[:use_leaf_child]
      if spl =~ %r[sh#\-c|#&&#|;#]
        raise Error, "#{config[:name]}, daemonize does not support concats like '&&' in start_command"
      end
    end
  end

  Shellwords.shellwords(config[:stop_command]) if config[:stop_command]
  Shellwords.shellwords(config[:restart_command]) if config[:restart_command]

  if localize
    Etc.getpwnam(config[:uid]) if config[:uid]
    Etc.getgrnam(config[:gid]) if config[:gid]

    if config[:working_dir]
      raise Error, "working_dir '#{config[:working_dir]}' is invalid" unless File.directory?(config[:working_dir])
    end
  end

  if config[:stop_signals]
    s = config[:stop_signals].clone
    while s.present?
      sig = s.shift
      timeout = s.shift
      raise Error, "signal should be String, Symbol, Fixnum, not #{sig.inspect}" if sig && ![String, Symbol, Fixnum].include?(sig.class)
      raise Error, "signal sleep should be Numeric, not #{timeout.inspect}" if timeout && ![Fixnum, Float].include?(timeout.class)
    end
  end
end