From c2674df60b272eec1f14787efd788953e8063ced Mon Sep 17 00:00:00 2001
From: Roey Chen <roeyc@vmware.com>
Date: Mon, 2 Jan 2017 02:21:04 -0800
Subject: [PATCH] NSXv3: Allow running devstack without installing OVS on it

A devstack user may choose whether to install OVS on the devstack node
or not, this is applicable since not every devstack node must also serve
as a compute node.
Change-Id: If6e9ee120ce8612ed23008240e6746d1dde54cbd
---
 devstack/lib/vmware_nsx_v3 | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/devstack/lib/vmware_nsx_v3 b/devstack/lib/vmware_nsx_v3
index 364b2c5488..16305b72d4 100644
--- a/devstack/lib/vmware_nsx_v3
+++ b/devstack/lib/vmware_nsx_v3
@@ -70,8 +70,10 @@ function setup_integration_bridge {
 }
 
 function is_neutron_ovs_base_plugin {
-    # NSX uses OVS, but not the l3-agent
-    return 0
+    # This allows the deployer to decide whether devstack should install OVS.
+    # By default, we install OVS, to change this behavior add "OVS_BASE=1" to your localrc file.
+    # Note: Any KVM compute must have OVS installed on it.
+    return ${OVS_BASE:-0}
 }
 
 function neutron_plugin_create_nova_conf {