provisioning fails due to undefined SRIOV_INTERFACES var @ compute-server-setup.sh

[Senthilnathan Murugappan]

2016-02-01 16:25:14:010547: [root@10.84.21.6] out: /usr/bin/compute-server-setup.sh: line 195: [: !=: unary operator expected

root@a2s42:~/contrail-provisioning# git diff
diff --git a/contrail_provisioning/compute/scripts/compute-server-setup.sh b/contrail_provisioning/compute/scripts/compute-server-setup.sh
index 1ce4f38..5c9753b 100755
--- a/contrail_provisioning/compute/scripts/compute-server-setup.sh
+++ b/contrail_provisioning/compute/scripts/compute-server-setup.sh
@@ -192,7 +192,7 @@ if [ $VMWARE_IP ]; then
 fi

 openstack-config --del /etc/nova/nova.conf DEFAULT pci_passthrough_whitelist
-if [ $SRIOV_INTERFACES != "" ]; then
+if [ ! -z $SRIOV_INTERFACES ] ; then
     OLD_IFS=$IFS
     IFS=','
     intf_list=($SRIOV_INTERFACES)

The above patch would check for defined as well as empty string or not.

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/16767
Submitter: Senthilnathan Murugappan (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/16767
Committed: http://github.org/Juniper/contrail-provisioning/commit/7a1da892d7d4be498ee780f1b7402255fc09a094
Submitter: Zuul
Branch: master

commit 7a1da892d7d4be498ee780f1b7402255fc09a094
Author: Senthilnathan Murugappan <email address hidden>
Date: Mon Feb 1 17:10:10 2016 -0800

undefined SRIOV_INTERFACES var @ compute-server-setup.sh Edit

Check if SRIOV_INTERFACES is defined before accessing it.
Closes-Bug:#1540688

Change-Id: I5b565472766d4d2aae41dd2523d63a68aab7028b