class Lupe

Constants

DEFAULT_CONFIGURATION

Public Class Methods

new(configuration) click to toggle source
# File lib/lupe.rb, line 16
def initialize(configuration)
  @configuration = DEFAULT_CONFIGURATION
  @configuration.merge!(configuration)
  at_exit do
    logger.info 'Service is going down.'
    logger.info('Running teardown..')
    tear_down
  end
  shutdown = proc do
    puts 'bye.'
    @configuration[:running] = false
  end
  trap('QUIT', &shutdown)
  trap('TERM', &shutdown)
  trap('INT',  &shutdown)
end

Public Instance Methods

_configuration() click to toggle source
# File lib/lupe.rb, line 52
def _configuration
  template = "%s : %s"
  bindings = []
  bindings.push("Start with configuration")
  bindings.push(@configuration.to_json)
  (template % bindings)
end
_reset_log() click to toggle source
# File lib/lupe.rb, line 59
def _reset_log
  logger.info 'running on monitor mode'
  File.open(log_path, 'w+') {}
end
environment() click to toggle source
# File lib/lupe.rb, line 32
def environment
  @configuration[:environment]
end
log_path() click to toggle source
# File lib/lupe.rb, line 35
def log_path
  template = @configuration[:log_to]
  bindings = []
  @configuration[:log_to].scan('%s').each do |interpolation|
    bindings.push(@configuration[:name])
  end
  (template % bindings)
end
logger() click to toggle source
# File lib/lupe.rb, line 43
def logger
  @logger ||= Logger.new(log_path)
end
program_name() click to toggle source
# File lib/lupe.rb, line 46
def program_name
  template = @configuration[:description]
  bindings = []
  bindings.push(@configuration[:name])
  (template % bindings)
end
run(&operation) click to toggle source
# File lib/lupe.rb, line 67
def run(&operation)
  logger.info(program_name)
  logger.info(_configuration)
  logger.info('Running setup..')
  setup
  loop do
    break unless @configuration[:running]
    sleep 1
    _reset_log if @configuration[:monitor]
    @configuration[:counter] += 1
    if @configuration[:counter] > @configuration[:interval]
      @configuration[:counter] = 0
      operation.call(logger)
      next
    end
    if @configuration[:print_ticks]
      logger.debug "tick: #{@configuration[:counter]}"
    end
  end
end
setup() click to toggle source
# File lib/lupe.rb, line 63
def setup
end
tear_down() click to toggle source
# File lib/lupe.rb, line 65
def tear_down
end