X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-autoinstaller.git/blobdiff_plain/d2a8f9face2cbaa0489554eabb416e04f5c86d97..da7db23885fdafeca2346bd27c7ec7f5eb40c3cc:/files/usr/sbin/sipb-xen-lvcopy?ds=sidebyside

diff --git a/files/usr/sbin/sipb-xen-lvcopy b/files/usr/sbin/sipb-xen-lvcopy
index 065cda2..53c5aa8 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()
@@ -43,6 +48,9 @@ def frob_copy(target, hostname, rootpw):
   call(['losetup', '-d', fs])
 
 def duplicate_by_vm(source, target, rootpw, nodd=False, nofrob=False):
+  if source != "ice3":
+     print "Error: can't clone that VM"
+     sys.exit(1)
   # source, target should be machine names
   prefix = 'd_'
   # 1. copy (by dd) source to target