From: Marc Fiuczynski <mef@cs.princeton.edu>
Date: Mon, 11 Jul 2005 19:08:45 +0000 (+0000)
Subject: Added set_dlimit and get_dlimit to be used by NM to enforce disk limits.
X-Git-Tag: after-util-vserver-0_30_208-revert~164
X-Git-Url: http://git.onelab.eu/?p=util-vserver.git;a=commitdiff_plain;h=173c27d970bd29594d0485f66474af5f5be37201

Added set_dlimit and get_dlimit to be used by NM to enforce disk limits.
---

diff --git a/python/vserver.py b/python/vserver.py
index 64cc681..2d72bd0 100644
--- a/python/vserver.py
+++ b/python/vserver.py
@@ -12,7 +12,7 @@ import mountimpl
 import linuxcaps
 import passfdimpl
 import utmp
-import vserverimpl
+import vserverimpl, vduimpl
 
 from util_vserver_vars import *
 
@@ -81,6 +81,24 @@ class VServer:
 
         return os.chroot("%s/%s" % (VROOTDIR, self.name))
 
+    def set_dlimit(self, blocktotal):
+        path = "%s/%s" % (VROOTDIR, self.name)
+        inodes, blockcount, size = vduimpl.vdu(path)
+        vserverimpl.setdlimit(path, self.ctx, blockcount>>1, blocktotal, inodes, -1, 2)
+
+    def get_dlimit(self):
+        path = "%s/%s" % (VROOTDIR, self.name)
+        try:
+            blocksused, blocktotal, inodesused, inodestotal, reserved = \
+                        vserverimpl.getdlimit(path,self.ctx)
+        except OSError, ex:
+            if ex.errno == 3:
+                # get here if no vserver disk limit has been set for xid
+                # set blockused to -1 to indicate no limit
+                blocktotal = -1
+
+        return blocktotal
+
     def open(self, filename, mode = "r", bufsize = -1):
 
         (sendsock, recvsock) = passfdimpl.socketpair()