From: Tom Hughes <tom@compton.nu>
Date: Mon, 21 Jul 2014 18:57:41 +0000 (+0100)
Subject: Add basic watchdog support for VMs
X-Git-Url: https://git.openstreetmap.org./chef.git/commitdiff_plain/6027abf8c73b183a22603e3de22799a52b993f39

Add basic watchdog support for VMs
---

diff --git a/cookbooks/hardware/recipes/default.rb b/cookbooks/hardware/recipes/default.rb
index 59a078894..7923d3868 100644
--- a/cookbooks/hardware/recipes/default.rb
+++ b/cookbooks/hardware/recipes/default.rb
@@ -247,3 +247,25 @@ end
     end
   end
 end
+
+if File.exists?("/proc/xen")
+  watchdog = "xen_wdt"
+elsif node[:kernel][:modules].include?("i6300esb")
+  watchdog = "none"
+end
+
+if watchdog
+  package "watchdog"
+
+  template "/etc/default/watchdog" do
+    source "watchdog.erb"
+    owner "root"
+    group "root"
+    mode 0644
+    variables :module => watchdog
+  end
+
+  service "watchdog" do
+    action [ :enable, :start ]
+  end
+end
diff --git a/cookbooks/hardware/templates/default/watchdog.erb b/cookbooks/hardware/templates/default/watchdog.erb
new file mode 100644
index 000000000..afeef4448
--- /dev/null
+++ b/cookbooks/hardware/templates/default/watchdog.erb
@@ -0,0 +1,7 @@
+# DO NOT EDIT - This file is being maintained by Chef
+
+# Start watchdog at boot time? 0 or 1
+run_watchdog=1
+# Load module before starting watchdog
+watchdog_module="<%= @module %>"
+# Specify additional watchdog options here (see manpage).