Ignore the exit code of ssh-keyscan

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>

diff --git a/teuthology/lock.py b/teuthology/lock.py
index 97d923e27111497765e9cb072615c685b32fc8c9..1b080aeaa2001713934535f9273adb8d1904b224 100644 (file)
--- a/teuthology/lock.py
+++ b/teuthology/lock.py
@@ -348,7 +348,11 @@ def keyscan_check(ctx, machines):
             _, machines[i] = machine.rsplit('@')
     args = ['ssh-keyscan']
     args.extend(machines)
-    out = subprocess.check_output(args)
+    p = subprocess.Popen(
+        args=args,
+        stdout=subprocess.PIPE,
+    )
+    out, err = p.communicate()
     return (out, current_locks)