From 8b7290eb2dc5da16726c1a01b33e3b8fd486956b Mon Sep 17 00:00:00 2001
From: Alfredo Deza <alfredo@deza.pe>
Date: Wed, 24 Jul 2013 13:30:37 -0400
Subject: [PATCH] get better errors when failing on mds create

Signed-off-by: Alfredo Deza <alfredo@deza.pe>
---
 ceph_deploy/mds.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/ceph_deploy/mds.py b/ceph_deploy/mds.py
index b8f1a03..4f01059 100644
--- a/ceph_deploy/mds.py
+++ b/ceph_deploy/mds.py
@@ -87,7 +87,7 @@ def create_mds(
 
     keypath = os.path.join(path, 'keyring')
 
-    subprocess.check_call(
+    proc = subprocess.Popen(
         args=[
             'ceph',
             '--cluster', cluster,
@@ -100,7 +100,13 @@ def create_mds(
             '-o',
             os.path.join(keypath),
             ],
-        )
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+    )
+    out, err = proc.communicate()
+    return_status = proc.wait()
+    if return_status > 0:
+        raise RuntimeError(err.strip())
 
     with file(os.path.join(path, 'done'), 'wb') as f:
         pass
-- 
2.47.3