command_arguments=${command_arguments:-}
-list_updates=$(yum list updates)
-
-if [[ "$list_updates" == "" ]]; then
+# yum check-update exits 100 if updates are available
+set +e
+check_update=$(yum check-update 2>&1)
+check_update_exit=$?
+set -e
+
+if [[ "$check_update_exit" == "1" ]]; then
+ echo "Failed to check for package updates"
+ echo "$check_update"
+ exit 1
+elif [[ "$check_update_exit" != "100" ]]; then
echo "No packages require updating"
exit 0
fi
fi
fi
+# special case https://bugs.launchpad.net/tripleo/+bug/1635205 +bug/1669714
+special_case_ovs_upgrade_if_needed
+
if [[ "$pacemaker_status" == "active" ]] ; then
echo "Pacemaker running, stopping cluster node and doing full package update"
node_count=$(pcs status xml | grep -o "<nodes_configured.*/>" | grep -o 'number="[0-9]*"' | grep -o "[0-9]*")