Add base::noipmi

This allows "odd" machines to suppress loading ipmi support and
running the exec that disables cipher zero.

NEWS

+release/003.033 (2014-08-31)
+
+    Add base::noipmi.  This allows "odd" machines to suppress loading ipmi 
+    support and running the exec that disables cipher zero.  (whm)
+
 release/003.032 (2014-08-27)
 
     Remove yuelu from filter syslog exceptions.  (whm)

manifests/ipmi.pp

-# ipmi class to load ipmi client modules except on VMware platforms
+# base::ipmi and base::noipmi
+#
+# ipmi classes to load, and suppress loading, ipmi client modules.
+# Loading of ipmi is automatically suppressed on VMware platforms.
 
 class base::ipmi {
 
@@ -94,9 +97,23 @@ class base::ipmi {
 
     # Disable cipher zero.  Some IPMI report the ciphers backwards so we work
     # around it. Puppet 2.6.3 doesn't support provider param for exec.
-    # Working around it.
+    # Working around it.  The signal file /etc/noipmi allows this execution to
+    # be suppressed on systems that don't have ipmi.
     exec { 'ipmitool lan set 1 cipher_privs XaaaaaaaaaaaaaX':
-      unless => 'bash -c \'if ! `ipmitool lan print | grep -q "Cipher Suite Priv Max   : Not Available"`; then ipmitool lan print | grep "Cipher Suite Priv Max" | cut -d: -f2 | egrep -q "^ XaaaaaaaaaaaaaX"; fi\'',
+      unless => 'bash -c \'if [ ! -e /etc/noipmi ] && ! `ipmitool lan print | grep -q "Cipher Suite Priv Max   : Not Available"`; then ipmitool lan print | grep "Cipher Suite Priv Max" | cut -d: -f2 | egrep -q "^ XaaaaaaaaaaaaaX"; fi\'',
     }
   }
 }
+
+class base::noipmi inherits base::ipmi {
+  Base::Os::Kernel-module['ipmi_si']      { ensure => absent }
+  Base::Os::Kernel-module['ipmi_devintf'] { ensure => absent }
+  File['/etc/default/ipmievd']            { ensure => absent }
+
+  Service['ipmievd'] { ensure => stopped }
+
+  file { '/etc/noipmi':
+    mode    => '0644',
+    content => "ipmi is not supported on this system\n",
+  }
+}