catch potential errors resolving hosts

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>

diff --git a/ceph_deploy/new.py b/ceph_deploy/new.py
index 8cf7bc61336f608ac52739619827aa6ee61df8da..9607c3f21bfd1d12a1d54196448ffe8d5e3ca454 100644 (file)
--- a/ceph_deploy/new.py
+++ b/ceph_deploy/new.py
@@ -36,7 +36,10 @@ def get_nonlocal_ip(host):
     """
     Search result of getaddrinfo() for a non-localhost-net address
     """
-    ailist = socket.getaddrinfo(host, None)
+    try:
+        ailist = socket.getaddrinfo(host, None)
+    except socket.gaierror:
+        raise exc.UnableToResolveError(host)
     for ai in ailist:
         # an ai is a 5-tuple; the last element is (ip, port)
         ip = ai[4][0]