[toggle-log-level] toggle log level w/ kill -USR2 PID

lib/sensu/api.rb

@@ -29,6 +29,10 @@ def self.setup(options={})
       $logger.debug('[setup] -- connecting to rabbitmq')
       connection = AMQP.connect(@settings.rabbitmq.to_hash.symbolize_keys)
       $amq = MQ.new(connection)
+
+      Signal.trap('USR1') do
+        config.toggle_log_level
+      end
     end
 
     def self.stop(signal)

lib/sensu/client.rb

@@ -23,6 +23,10 @@ def initialize(options={})
       config = Sensu::Config.new(options)
       @settings = config.settings
       @logger = config.logger
+
+      Signal.trap('USR1') do
+        config.toggle_log_level
+      end
     end
 
     def stop(signal)

lib/sensu/config.rb

@@ -26,7 +26,7 @@ def initialize(options={})
         invalid_config('log file is not writable: ' + log_file)
       end
       @logger.subscribe(Cabin::Outputs::EmStdlibLogger.new(ruby_logger))
-      @logger.level = options[:verbose] ? 'debug' : 'info'
+      @logger.level = options[:verbose] ? :debug : :info
       config_file = options[:config_file] || '/etc/sensu/config.json'
       if File.readable?(config_file)
         begin
@@ -40,6 +40,10 @@ def initialize(options={})
       validate_config(options['type'])
     end
 
+    def toggle_log_level
+      @logger.level = @logger.level == :info ? :debug : :info
+    end
+
     def validate_config(type)
       @logger.debug('[config] -- validating configuration')
       has_keys(%w[rabbitmq])

lib/sensu/server.rb

@@ -33,6 +33,10 @@ def initialize(options={})
       @settings = config.settings
       @logger = config.logger
       @is_worker = options[:worker]
+
+      Signal.trap('USR1') do
+        config.toggle_log_level
+      end
     end
 
     def stop(signal)