Class: Quebert::CommandLineRunner

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ CommandLineRunner


8
9
10
11
12
13
14
15
16
17
# File 'lib/quebert/command_line_runner.rb', line 8

def initialize(argv)
  @argv = argv

  # Default options values
  @options = {
    :chdir  => Dir.pwd
  }

  parse!
end

Instance Attribute Details

#argumentsObject

Returns the value of attribute arguments


6
7
8
# File 'lib/quebert/command_line_runner.rb', line 6

def arguments
  @arguments
end

#commandObject

Returns the value of attribute command


6
7
8
# File 'lib/quebert/command_line_runner.rb', line 6

def command
  @command
end

#optionsObject

Returns the value of attribute options


6
7
8
# File 'lib/quebert/command_line_runner.rb', line 6

def options
  @options
end

Class Method Details

.dispatch(args = ARGV) ⇒ Object


42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
# File 'lib/quebert/command_line_runner.rb', line 42

def self.dispatch(args = ARGV)
  runner = new(args)
  params = runner.options

  if dir = params[:chdir]
    Dir.chdir dir
  end

  if pid_file = params[:pid]
    Support::PidFile.new(pid_file).write!
  end

  if log_path = params[:log]
    Quebert.config.log_file_path = log_path
  end

  if config = params[:config] || auto_config
    require config
  end

  worker = Worker.new
  worker.queues = params[:queues] if params[:queues]
  worker.start
end

Instance Method Details

#parse!Object

Parse the options.


36
37
38
39
40
# File 'lib/quebert/command_line_runner.rb', line 36

def parse!
  parser.parse! @argv
  @command   = @argv.shift
  @arguments = @argv
end

#parserObject


19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
# File 'lib/quebert/command_line_runner.rb', line 19

def parser
  @parser ||= OptionParser.new do |opts|
    opts.banner = "Usage: quebert [options]"

    opts.separator ""

    opts.on("-l", "--log FILE", "File to redirect output " +
                                "(default: #{@options[:log]})")                   { |file| @options[:log] = file }
    opts.on("-P", "--pid FILE", "File to store PID " +
                                "(default: #{@options[:pid]})")                   { |file| @options[:pid] = file }
    opts.on("-C", "--config FILE", "Load options from config file")               { |file| @options[:config] = file }
    opts.on("-c", "--chdir DIR", "Change to dir before starting")                 { |dir| @options[:chdir] = File.expand_path(dir) }
    opts.on("-q", "--queues LIST", "Specify queue name(s)")                       { |list| @options[:queues] = list.split(",") }
  end
end