lib/instana/activator.rb in instana-1.200.0 vs lib/instana/activator.rb in instana-1.201.0.pre1

@@ -41,6 +41,16 @@
       instrument if can_instrument?
     end
   end
 end
 
-Dir["#{__dir__}/activators/*.rb"].sort.each { |f| require(f) }
+Dir["#{__dir__}/activators/*.rb"]
+  .sort
+  .select do |f|
+  if ENV['INSTANA_ACTIVATE_SET']
+    base = File.basename(f, '.rb')
+    ENV.fetch('INSTANA_ACTIVATE_SET', '').split(',').include?(base)
+  else
+    true
+  end
+end
+  .each { |f| require(f) }