Contents

require 'optparse'
require_relative '../alerty'

class Alerty
  def parse_options(argv = ARGV)
    op = OptionParser.new
    op.banner += ' -- command'

    (class<<self;self;end).module_eval do
      define_method(:usage) do |msg|
        puts op.to_s
        puts "error: #{msg}" if msg
        exit 1
      end
    end

    opts = {}
    op.on('-c', '--config CONFIG_FILE', "config file path (default: /etc/sysconfig/alerty)") {|v|
      opts[:config_path] = v
    }
    op.on('--log LOG_FILE', "log file path (default: STDOUT)") {|v|
      opts[:log_path] = v
    }
    op.on('--log-level LOG_LEVEL', "log level (default: warn)") {|v|
      opts[:log_level] = v
    }
    op.on('-t', '--timeout SECONDS', "timeout the command (default: no timeout)") {|v|
      opts[:timeout] = v.to_i
    }
    op.on('-l', '--lock LOCK_FILE', "exclusive lock file to prevent running a command duplicatedly (default: no lock)") {|v|
      opts[:lock_path] = v
    }

    op.parse!(argv)
    opts[:command] = argv.join(' ')

    if opts[:command].empty?
      usage "No command is given"
    end

    opts
  end

  def run
    begin
      opts = parse_options
    rescue OptionParser::InvalidOption => e
      usage e.message
    end

    Config.configure(opts)
    Config.plugins # load plugins in early stage
    Command.new(command: opts[:command]).run!
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
alerty-0.0.2	lib/alerty/cli.rb