From: Kefu Chai <kchai@redhat.com>
Date: Wed, 15 Jul 2015 10:01:52 +0000 (+0800)
Subject: ceph.in: print more detailed error message for 'tell' command
X-Git-Tag: v9.0.3~28^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=972dc9145235ff0f60663369ebcab8c16628b89f;p=ceph.git

ceph.in: print more detailed error message for 'tell' command

* we do not allow user specify a certain daemon when starting an
  interactive session. the existing error message could lead to
  some confusion. so put more details in it.

Fixes: #11101
Signed-off-by: Kefu Chai <kchai@redhat.com>
---

diff --git a/src/ceph.in b/src/ceph.in
index 3e70d8e0ad03..7ee4e4a92ab8 100755
--- a/src/ceph.in
+++ b/src/ceph.in
@@ -772,7 +772,9 @@ def main():
             childargs = injectargs
         if not len(childargs):
             print >> sys.stderr, \
-                'Cannot use \'tell\' with interactive mode'
+                'Cannot use \'tell\' with interactive mode.', \
+                'For an interactive shell,', \
+                'please start "{0}" without non-option arguments.'.format(sys.argv[0])
             return errno.EINVAL
 
     # fetch JSON sigs from command