wait until runsv is reading from supervise/ok

libraries/helpers.rb

@@ -55,13 +55,21 @@ def delete_extra_env_files
     def wait_for_service
       raise 'Runit does not appear to be installed. Include runit::default before using the resource!' unless binary_exists?
 
-      sleep 1 until ::FileTest.pipe?(::File.join(service_dir_name, 'supervise', 'ok'))
+      wait_for_pipe(::File.join(service_dir_name, 'supervise', 'ok'))
 
       if new_resource.log
-        sleep 1 until ::FileTest.pipe?(::File.join(service_dir_name, 'log', 'supervise', 'ok'))
+        wait_for_pipe(::File.join(service_dir_name, 'log', 'supervise', 'ok'))
       end
     end
 
+    def wait_for_pipe(path)
+      sleep 1 until ::FileTest.pipe?(path)
+
+      # Opening the pipe for writing should block until the supervisor
+      # has opened it for reading.
+      ::File.open(path, 'w').close()
+    end
+
     def runit_send_signal(signal, friendly_name = nil)
       friendly_name ||= signal
       converge_by("send #{friendly_name} to #{new_resource}") do

recipes/default.rb

@@ -45,7 +45,7 @@
 
   package pkg_name do # ~FC009
     action :install
-    response_file 'runit.seed' 
+    response_file 'runit.seed'
   end
 else
   raise 'The cookbook only supports Debian/RHEL based Linux distributions. If you believe further platform support is possible please open a pull request.'