[Xen-devel] [PATCH] provide real error message when trying to run xm as non root

[Sean Dague <sean@xxxxxxxxx>]

This patch prevents you from getting a screen full of stack trace when
trying to run commands like xm list as a normal user, and instead provides a
helpful error message.


Signed-off-by: Sean Dague <sean@xxxxxxxxx>

Diffstat output:
 main.py |    7 +++++++
 1 files changed, 7 insertions(+)

diff -r 48aed1403fe3 tools/python/xen/xm/main.py
--- a/tools/python/xen/xm/main.py       Fri Jul 22 16:44:33 2005
+++ b/tools/python/xen/xm/main.py       Tue Jul 26 10:31:24 2005
@@ -11,6 +11,13 @@
 
 from xen.xend import PrettyPrint
 from xen.xend import sxp
+# this is a nasty place to stick this in, but required because
+# log file access is set up via a 5 deep import chain.  This
+# ensures the user sees a useful message instead of a stack trace
+if os.getuid() != 0:
+    print "xm requires root access to execute, please try again as root"
+    sys.exit(1)
+
 from xen.xend.XendClient import XendError, server
 from xen.xend.XendClient import main as xend_client_main
 from xen.xm import create, destroy, migrate, shutdown, sysrq


        -Sean

-- 
__________________________________________________________________

Sean Dague                                       Mid-Hudson Valley
sean at dague dot net                            Linux Users Group
http://dague.net                                 http://mhvlug.org

There is no silver bullet.  Plus, werewolves make better neighbors
than zombies, and they tend to keep the vampire population down.
__________________________________________________________________

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