Added class for collab ramdisk cache

wiki/manifests/init.pp

@@ -326,3 +326,29 @@ class wiki::collab::base {
     }
 
 }
+
+
+# Use ramdisk for collab cache.
+#
+class wiki::collab::ramcache {
+
+    mount { "/srv/wikis/collab/cache":
+        name    => $wiki_datadir ? {
+            undef   => "/srv/wikis/collab/cache",
+            default => "${wiki_datadir}/collab/cache",
+        },
+        ensure  => mounted,
+        atboot  => true,
+        device  => "none",
+        fstype  => "tmpfs",
+        options => "uid=collab,gid=collab,mode=2770",
+        dump    => "0",
+        pass    => "0",
+        require => File["/srv/wikis/collab/cache"],
+        before  => $operatingsystem ? {
+            "ubuntu" => Service["apache2"],
+            default  => Service["httpsd"],
+        },
+    }
+
+}