lib/appsignal.rb in appsignal-2.0.3 vs lib/appsignal.rb in appsignal-2.0.4

@@ -224,17 +224,18 @@
     end
 
     def logger
       @logger ||= Logger.new(in_memory_log).tap do |l|
         l.level = Logger::INFO
-        l.formatter = log_formatter
+        l.formatter = log_formatter("appsignal")
       end
     end
 
-    def log_formatter
+    def log_formatter(prefix = nil)
+      pre = "#{prefix}: " if prefix
       proc do |severity, datetime, progname, msg|
-        "[#{datetime.strftime('%Y-%m-%dT%H:%M:%S')} (process) ##{Process.pid}][#{severity}] #{msg}\n"
+        "[#{datetime.strftime('%Y-%m-%dT%H:%M:%S')} (process) ##{Process.pid}][#{severity}] #{pre}#{msg}\n"
       end
     end
 
     def start_logger(path_arg = nil)
       if config && config[:log] == "file" && config.log_file_path
@@ -288,21 +289,19 @@
 
     private
 
     def start_stdout_logger
       @logger = Logger.new($stdout)
-      @logger.formatter = lambda do |severity, datetime, progname, msg|
-        "appsignal: #{msg}\n"
-      end
+      logger.formatter = log_formatter("appsignal")
     end
 
     def start_file_logger(path)
       @logger = Logger.new(path)
-      @logger.formatter = log_formatter
+      logger.formatter = log_formatter
     rescue SystemCallError => error
       start_stdout_logger
-      logger.warn "appsignal: Unable to start logger with log path '#{path}'."
-      logger.warn "appsignal: #{error}"
+      logger.warn "Unable to start logger with log path '#{path}'."
+      logger.warn error
     end
   end
 end
 
 require 'appsignal/utils'