Base net-virt CLI files on top of which ONOS specific changes will be done
diff --git a/cli/scripts/ha-health-check.sh b/cli/scripts/ha-health-check.sh
new file mode 100755
index 0000000..65ea14e
--- /dev/null
+++ b/cli/scripts/ha-health-check.sh
@@ -0,0 +1,75 @@
+#!/bin/bash
+#
+# Copyright (c) 2013 Big Switch Networks, Inc.
+#
+# Licensed under the Eclipse Public License, Version 1.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.eclipse.org/legal/epl-v10.html
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# permissions and limitations under the License.
+
+#
+# This script is invoked as part of VRRP track_script function
+# The goal is to do a health check of sdnplatform through a rest API
+# invocation, and if health is not good, then return with error code
+#
+if [ -e "/opt/sdnplatform/health-check-error-message" ]
+then
+ rm -f /opt/sdnplatform/health-check-error-message
+fi
+
+FAILOVER=$3
+
+if [ -e "/opt/sdnplatform/force-one-time-health-check-failure" ]
+then
+ logger "$0: force-one-time-health-check-failure file exists -- returning error exit code"
+ rm -f /opt/sdnplatform/force-one-time-health-check-failure
+ echo "User requested failover." > /opt/sdnplatform/health-check-error-message
+ exit 1
+fi
+
+if [ "$FAILOVER" ] ; then
+ exit 0
+fi
+
+if [ -e "/var/run/sdnplatform-healthcheck-disabled" ]; then
+ OLD=`cat /var/run/sdnplatform-healthcheck-disabled`
+ NEW=`date +%s`
+ if [ $NEW -gt $OLD ]; then
+ # if new timestamp is greater, remove the file and do health check
+ rm -f /var/run/sdnplatform-healthcheck-disabled
+ else
+ # skip the health check and exit
+ exit 0
+ fi
+fi
+
+COUNT=$1
+STEP=$2
+TIMER=0
+start="$(date +%s%N)"
+while [ $TIMER -le $COUNT ] ; do
+ curl -f -s "http://localhost:8080/wm/core/health/json"
+ ERROR=$?
+ if [ $ERROR -eq 0 ]; then
+ break
+ fi
+ sleep $STEP
+ TIMER=$((STEP+TIMER))
+done
+duration="$(($(date +%s%N)-start))"
+duration="$((duration/1000000))"
+logger "ha-health checker took $duration milliseconds"
+if [ $ERROR -ne 0 ]; then
+ logger "$0: sdnplatform health check failed with error code $ERROR"
+ echo "Controller health check failed." > /opt/sdnplatform/health-check-error-message
+ exit 1
+fi
+
+exit 0