change /var/log/api.log ownership to glance:glance to avoid glance-ap…

…i service crash.

Since provisioning code explicitly mentioned log_file as /var/log/glance/api.log, ownership sets to
root causing glance to fail while updating a log file.
Closes-Bug: #1580446

Change-Id: I6bb59204cbe044f9dfac183fa6110fdcdde5636d

contrail_provisioning/openstack/scripts/glance-server-setup.sh

@@ -175,6 +175,10 @@ if [ "$INTERNAL_VIP" != "none" ]; then
     openstack-config --set /etc/glance/glance-api.conf DEFAULT swift_store_auth_address $INTERNAL_VIP:5000/v2.0/
 fi
 
+if [ $is_ubuntu -eq 1 ] ; then
+    chown glance:glance /var/log/glance/api.log
+fi
+
 if [ "$OPENSTACK_INDEX" -eq 1 ]; then
     glance-manage db_sync
 fi