lib/fluent/plugin/in_ping_message.rb in fluent-plugin-ping-message-0.1.0 vs lib/fluent/plugin/in_ping_message.rb in fluent-plugin-ping-message-0.1.1

@@ -1,9 +1,14 @@
 require 'fluent/mixin/config_placeholders'
 
 class Fluent::PingMessageInput < Fluent::Input
   Fluent::Plugin.register_input('ping_message', self)
 
+  # Define `log` method for v0.10.42 or earlier
+  unless method_defined?(:log)
+    define_method("log") { $log }
+  end
+
   include Fluent::Mixin::ConfigPlaceholders
 
   config_param :tag, :string, :default => 'ping'
   config_param :interval, :integer, :default => 60
   config_param :data, :string, :default => `hostname`.chomp