#! /bin/sh /usr/share/dpatch/dpatch-run
## 12_vnamespace_cleanup.dpatch by Micah Anderson <Micah Anderson <micah@debian.org>>
##
## All lines beginning with `## DP:' are a description of the patch.
## DP: No description.

@DPATCH@
diff -urNad trunk~/doc/configuration.xml trunk/doc/configuration.xml
--- trunk~/doc/configuration.xml	2006-03-20 08:16:46.000000000 -0500
+++ trunk/doc/configuration.xml	2006-04-05 23:18:43.000000000 -0400
@@ -37,6 +37,14 @@
       </description>
     </boolean>
 
+    <boolean id="global-namespace-cleanup" name="namespace-cleanup">
+      <description>
+Enable namespace cleanup globally. It can be overridden for a single vserver
+by setting the <optionref ref="global-nonamespace-cleanup">nonamespace-cleanup</optionref> flag
+there.
+      </description>
+    </boolean>
+
     <link name="run.rev">
       <description>
 Path of the vserver run reverse directory. This directory contains
@@ -344,6 +352,19 @@
       </description>
     </boolean>
 
+    <boolean id="global-nonamespace-cleanup" name="nonamespace-cleanup">
+      <description>
+Overrides the global <optionref ref="global-namespace-cleanup">namespace-cleanup</optionref> flag and disables
+namespace cleanup for the current vserver.
+      </description>
+    </boolean>
+
+    <boolean name="namespace-cleanup">
+      <description>
+Enable namespace cleanup for the current vserver.
+      </description>
+    </boolean>
+
     <hash name="schedule">
       <description>
 [experimental; name is subject of possible change] Contains the
diff -urNad trunk~/scripts/functions trunk/scripts/functions
--- trunk~/scripts/functions	2006-03-20 08:16:45.000000000 -0500
+++ trunk/scripts/functions	2006-04-05 23:18:43.000000000 -0400
@@ -480,6 +480,18 @@
          -e "$cfgdir"/nonamespace
 }
 
+function isNamespaceCleanup
+{
+    local cfgdir
+
+    $_VSERVER_INFO - FEATURE namespace   || return 1
+    cfgdir=$($_VSERVER_INFO "$1" CFGDIR) || return 1
+    test -e "$cfgdir"/nonamespace-cleanup && return 1
+    test -e "$__CONFDIR"/.defaults/namespace-cleanup -o \
+         -e "$cfgdir"/namespace-cleanup && return 0
+    return 1
+}
+
 ## Usage: getAllVservers <var> [<KIND>*]
 function getAllVservers
 {
diff -urNad trunk~/scripts/vserver.functions trunk/scripts/vserver.functions
--- trunk~/scripts/vserver.functions	2006-03-20 08:16:45.000000000 -0500
+++ trunk/scripts/vserver.functions	2006-04-05 23:19:01.000000000 -0400
@@ -743,13 +743,13 @@
 
     test -n "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
 
-    test -z "$NAMESPACE_CLEANUP" || isAvoidNamespace "$cfgdir" || \
-	$_VNAMESPACE --cleanup
-
     _mountVserverInternal "$cfgdir"/fstab
     _mountVserverInternal "$cfgdir"/fstab.local
     _mountVserverInternal "$cfgdir"/fstab.remote $_CHBIND "${CHBIND_OPTS[@]}"
 
+    isNamespaceCleanup "$cfgdir" && \
+        _namespaceCleanup
+
     isAvoidNamespace "$cfgdir" || \
 	$_SECURE_MOUNT --rbind -n "$vdir" "/"
 }
@@ -1099,3 +1099,29 @@
 	_saveSingleDiskLimit "$vdir" "$dlimit"
     done
 }
+
+function _namespaceCleanup
+{
+    local root=$(readlink -f "$vdir")
+    local tmp="$root"
+    local -a list
+    while [ "$tmp" ]; do
+	list=( "${list[@]}" "$tmp" )
+	tmp="${tmp%/*}"
+    done
+    local -a list_umount
+    while read dev path opts; do
+        [ "$path" ] || continue
+        for i in "$root" /dev /proc; do
+            [ "${path#$i}" != "$path" ] && continue 2
+        done
+        for i in "${list[@]}" /; do
+            [ "$path" = "$i" ] && continue 2
+        done
+        list_umount=( "${list_umount[@]}" "$path" )
+    done < /proc/mounts
+    for i in "${list_umount[@]}"; do
+        umount -l -n "$i"
+    done
+}
+