From: Eric Price <ecprice@mit.edu>
Date: Thu, 15 May 2008 22:45:15 +0000 (-0400)
Subject: Work around bug in Python subprocess for remctl
X-Git-Tag: sipb-xen-guest-installer/1.2~1
X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-autoinstaller.git/commitdiff_plain/564b18acf76994fd9196bb031e585c9f6afc0d0c

Work around bug in Python subprocess for remctl

svn path=/trunk/packages/sipb-xen-guest-installer/; revision=528
---

diff --git a/files/usr/sbin/sipb-xen-lvcopy b/files/usr/sbin/sipb-xen-lvcopy
index 065cda2..317b88a 100755
--- a/files/usr/sbin/sipb-xen-lvcopy
+++ b/files/usr/sbin/sipb-xen-lvcopy
@@ -7,6 +7,11 @@ import tempfile
 import time
 from subprocess import call, check_call, Popen, PIPE
 
+# Make sure to use up fd 0 to avoid a bug in subprocess in Python <= 2.5.1
+# NB we need to do this on every Python remctl script.
+# See r53624 in Python svn.
+sys.stdin = open('/dev/null')
+
 def losetup(source, offset=0):
   p = Popen(['sipb-xen-losetup', source, str(offset)], stdout=PIPE)
   return p.communicate()[0].strip()