Class: Papertrail::CliAddSystem

Inherits:
Object
  • Object
show all
Includes:
CliHelpers
Defined in:
lib/papertrail/cli_add_system.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from CliHelpers

#find_configfile, #load_configfile, #output_http_error, #parse_time, #set_min_max_time!, #symbolize_keys

Instance Attribute Details

#program_name ⇒ Object (readonly)

Returns the value of attribute program_name.



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# File 'lib/papertrail/cli_add_system.rb', line 11

def program_name
  @program_name
end

Instance Method Details

#error(message, try_help = false) ⇒ Object 



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# File 'lib/papertrail/cli_add_system.rb', line 112

def error(message, try_help = false)
  puts "#{program_name}: #{message}"
  if try_help
    puts "Try `#{program_name} --help' for more information."
  end
  exit(1)
end

#run ⇒ Object 



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# File 'lib/papertrail/cli_add_system.rb', line 13

def run
  options = {
    :configfile => nil,
    :token => ENV['PAPERTRAIL_API_TOKEN'],
  }

  if configfile = find_configfile
    configfile_options = load_configfile(configfile)
    options.merge!(configfile_options)
  end

  OptionParser.new do |opts|
    @program_name = opts.program_name

    opts.banner = "Usage: #{opts.program_name} [OPTION]..."

    opts.separator ''

    opts.separator "Options:"

    opts.on("-c", "--configfile PATH", "Path to config (~/.papertrail.yml)") do |v|
      options[:configfile] = File.expand_path(v)
    end
    opts.on("-s", "--system SYSTEM", "Name of system to add") do |v|
      options[:system] = v
    end
    opts.on("-n", "--hostname HOSTNAME", "Hostname which can be used to filter",
        "events from the same IP by syslog hostname") do |v|
      options[:hostname] = v
    end

    opts.separator ''
    opts.separator 'Host Settings:'

    opts.on("-i", "--ip-address IP_ADDRESS", "IP address of system") do |v|
      options[:ip_address] = v
    end

    opts.on("--destination-port PORT", "Destination port") do |v|
      options[:destination_port] = v
    end

    opts.separator ''
    opts.separator "  Note: only one of --ip-address or --destination-port must be specified"


    opts.separator ''
    opts.separator "Common options:"

    opts.on("-h", "--help", "Show usage") do |v|
      puts opts
      exit
    end

    opts.separator ''
    opts.separator 'Example:'
    opts.separator "    $ #{opts.program_name} --system mysystemname --destination-port 39273"
    opts.separator "    $ #{opts.program_name} --system mysystemname --ip-address 1.2.3.4"

  end.parse!

  if options[:configfile]
    configfile_options = load_configfile(options[:configfile])
    options.merge!(configfile_options)
  end

  unless options[:system]
    error "The --system argument must be specified"
  end

  unless options[:ip_address] || options[:destination_port]
    error 'Either --ip-address or --destination-port most be provided'
  end

  Papertrail::Connection.new(options).start do |connection|
    # Bail if system already exists
    existing = connection.show_source(options[:system])
    if existing && existing['name'].upcase == options[:system].upcase
      exit 0
    end

    if options[:destination_port] && !options[:hostname]
      options[:hostname] = options[:system]
    end

    if connection.register_source(options[:system], options)
      exit 0
    end
  end

  exit 1
rescue OptionParser::ParseError => e
  error(e, true)
  exit 1
rescue Net::HTTPServerException => e
  output_http_error(e)
  exit 1
end