Settings for libvirt's guest handling in CentOS.

$libvirt_guest_on_boot
    Action to taken on host boot [start, ignore] (default: start)

$libvirt_guest_on_shutdown
    Action to taken on host shutdown [suspend, shutdown] (default: suspend)

$libvirt_parallel_shutdown
    If set to non-zero, shutdown will suspend guests concurrently. (default: 0)

libvirt/manifests/init.pp

@@ -35,8 +35,33 @@ class libvirt::client {
 #   $libvirt_admingroup:
 #       Group which has access to system libvirtd.
 #
+#   $libvirt_guest_on_boot
+#       Action to taken on host boot [start, ignore] (default: start)
+#
+#   $libvirt_guest_on_shutdown
+#       Action to taken on host shutdown [suspend, shutdown] (default: suspend)
+#
+#   $libvirt_parallel_shutdown
+#       If set to non-zero, shutdown will suspend guests concurrently. (default: 0)
+#
 class libvirt::kvm inherits libvirt::client {
 
+    if !$libvirt_admingroup {
+        $libvirt_admingroup = "root"
+    }
+
+    if !$libvirt_guest_on_boot {
+        $libvirt_guest_on_boot = "start"
+    }
+
+    if !$libvirt_guest_on_shutdown {
+        $libvirt_guest_on_shutdown = "suspend"
+    }
+
+    if !$libvirt_parallel_shutdown {
+        $libvirt_parallel_shutdown = 0
+    }
+
     case $operatingsystem {
         centos,fedora: {
             case $operatingsystemrelease {
@@ -58,16 +83,21 @@ class libvirt::kvm inherits libvirt::client {
                     }
                 }
             }
+            file { "/etc/sysconfig/libvirt-guests":
+                ensure  => present,
+                mode    => "0644",
+                owner   => "root",
+                group   => "root",
+                content => template("libvirt/sysconfig-libvirt-guests.erb"),
+                require => Package["libvirt"],
+                notify  => Service["libvirtd"],
+            }
         }
         default: {
             fail("Operating system not supported")
         }
     }
 
-    if !$libvirt_admingroup {
-        $libvirt_admingroup = "root"
-    }
-
     file { "/etc/libvirt/libvirtd.conf":
         ensure  => present,
         mode    => "0644",

libvirt/templates/sysconfig-libvirt-guests.erb

@@ -0,0 +1,41 @@
+# URIs to check for running guests
+# example: URIS='default xen:/// vbox+tcp://host/system lxc:///'
+#URIS=default
+
+# action taken on host boot
+# - start   all guests which were running on shutdown are started on boot
+#           regardless on their autostart settings
+# - ignore  libvirt-guests init script won't start any guest on boot, however,
+#           guests marked as autostart will still be automatically started by
+#           libvirtd
+ON_BOOT=<%= libvirt_guest_on_boot %>
+
+# Number of seconds to wait between each guest start. Set to 0 to allow
+# parallel startup.
+#START_DELAY=0
+
+# action taken on host shutdown
+# - suspend   all running guests are suspended using virsh managedsave
+# - shutdown  all running guests are asked to shutdown. Please be careful with
+#             this settings since there is no way to distinguish between a
+#             guest which is stuck or ignores shutdown requests and a guest
+#             which just needs a long time to shutdown. When setting
+#             ON_SHUTDOWN=shutdown, you must also set SHUTDOWN_TIMEOUT to a
+#             value suitable for your guests.
+ON_SHUTDOWN=<%= libvirt_guest_on_shutdown %>
+
+# If set to non-zero, shutdown will suspend guests concurrently. Number of
+# guests on shutdown at any time will not exceed number set in this variable.
+PARALLEL_SHUTDOWN=<%= libvirt_parallel_shutdown %>
+
+# Number of seconds we're willing to wait for a guest to shut down. If parallel
+# shutdown is enabled, this timeout applies as a timeout for shutting down all
+# guests on a single URI defined in the variable URIS. If this is 0, then there
+# is no time out (use with caution, as guests might not respond to a shutdown
+# request). The default value is 300 seconds (5 minutes).
+#SHUTDOWN_TIMEOUT=300
+
+# If non-zero, try to bypass the file system cache when saving and
+# restoring guests, even though this may give slower operation for
+# some file systems.
+#BYPASS_CACHE=0