Validate sysfs settings on each chef run

diff --git a/cookbooks/sysfs/recipes/default.rb b/cookbooks/sysfs/recipes/default.rb
index b9b5faff3a72846a7c1225ef314be258e451b9a6..f0290d4e7b166930a025269d22139bf964580929 100644 (file)
--- a/cookbooks/sysfs/recipes/default.rb
+++ b/cookbooks/sysfs/recipes/default.rb
@@ -31,3 +31,15 @@ template "/etc/sysfs.conf" do
   mode 0644
   notifies :restart, "service[sysfsutils]"
 end
+
+node[:sysfs].each_value do |group|
+  group[:parameters].each do |key,value|
+    sysfs_file = "/sys/#{key}"
+
+    file sysfs_file do
+      content "#{value}\n"
+      atomic_update false
+      only_if { File.exists?(sysfs_file) }
+    end
+  end
+end