From 5c6aa56e11b2dc79adc70154187d3a029e8e0976 Mon Sep 17 00:00:00 2001
From: Mehdi Abaakouk <sileht@redhat.com>
Date: Thu, 26 Jan 2017 11:31:58 +0100
Subject: [PATCH] Don't assume nova-manage is present

tools/discover_hosts.sh is run by devstack-gate, and breaks all dsvm job
that doesn't use nova.

nova-manage is perhaps not installed if nova services are not enabled.

This change checks the presence of nova-.

Change-Id: Ic555d241f98d0fa027897c69a7115d1be88f6c96
---
 tools/discover_hosts.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/discover_hosts.sh b/tools/discover_hosts.sh
index 65966c3d04..4ec6a40511 100755
--- a/tools/discover_hosts.sh
+++ b/tools/discover_hosts.sh
@@ -15,4 +15,6 @@
 # In other words this should be run on the primary
 # (API) node in a multi-node setup.
 
-nova-manage cell_v2 discover_hosts --verbose
+if [[ -x $(which nova-manage) ]]; then
+    nova-manage cell_v2 discover_hosts --verbose
+fi