BIGIP_LTM_Reboot_Script

#!/bin/bash

set -u
set -e

HOSTNAME="$(bigpipe system hostname show | awk '{print $6}')"

MAIL_BIN=`which mail`
EMAIL_TO="[email protected]"
EMAIL_SUBJECT="$HOSTNAME REBOOT"

TIME=`date "+%Y%m%d-%H:%M:%S"`

UPTIME_SECONDS="$(cat /proc/uptime | awk '{printf "%.0f\n", $1}')"
MAX_UPTIME="259200"

SHUTDOWN_BIN=$(which shutdown)

RESULT_FILE=/home/admin/reboot-cron-job-result

if [ -e $RESULT_FILE ] ; then
    echo "Found an old $RESULT_FILE, removing..."
    rm -f $RESULT_FILE
fi

echo "Starting pre-reboot checks on $HOSTNAME as of $TIME..."
echo "Starting pre-reboot checks on $HOSTNAME as of $TIME..." >> $RESULT_FILE

# Check whether current unit is in active or standby mode
if [[ $(bigpipe failover show) == *active* ]]; then
    echo "Unit is active..."
    echo "Unit is active..." >> $RESULT_FILE
    FAILOVER_STATE="ACTIVE"
else
    echo "I'm standby..."
    echo "I'm standby..." >> $RESULT_FILE
    FAILOVER_STATE="STANDBY"
# exit 0
fi

# Check if peer is alive (ping)
if ping -c 1 -w 5 peer &>/dev/null ; then
    echo "Peer is up..."
    echo "Peer is up..." >> $RESULT_FILE
    PEER_STATE="UP"
else
    echo "Peer is down..."
    echo "Peer is down..." >> $RESULT_FILE
    PEER_STATE="DOWN"
# exit 0
fi

# Check uptime
if [ "$UPTIME_SECONDS" -le "$MAX_UPTIME" ] ; then
    echo "Uptime of $UPTIME_SECONDS seconds is less than or equal to the maximum of $MAX_UPTIME seconds"
    echo "Uptime of $UPTIME_SECONDS seconds is less than or equal to the maximum of $MAX_UPTIME seconds" >> $RESULT_FILE
    UPTIME_CHECK="GOOD"
else
    echo "Uptime of $UPTIME_SECONDS seconds is greater than the maxium of $MAX_UPTIME seconds"
    echo "Uptime of $UPTIME_SECONDS seconds is greater than the maxium of $MAX_UPTIME seconds" >> $RESULT_FILE
    UPTIME_CHECK="BAD"
fi

# Checking Config Sync Status
if [[ $(bigpipe config sync show) == *Synchronized* ]] ; then
    echo "Active/Standby Configuration is synchronized"
    echo "Active/Standby Configuration is synchronized" >> $RESULT_FILE
    CONFIG_SYNC_STATE="SYNCHRONIZED"
else
    echo "Active/Standby Configuration is NOT synchronised"
    echo "Active/Standby Configuration is NOT synchronised" >> $RESULT_FILE
    CONFIG_SYNC_STATE="UNSYNCHRONIZED"
fi


MESSAGE="$TIME ## $HOSTNAME is $FAILOVER_STATE unit, peer is $PEER_STATE, config sync is $CONFIG_SYNC_STATE ##"

if [[ $FAILOVER_STATE == 'ACTIVE' && $PEER_STATE == 'UP' && $UPTIME_CHECK == 'BAD' ]] ; then

    # Run config sync if the configurations are not synchronized, test again after, exit if still unsynch'd
    if [ $CONFIG_SYNC_STATE == 'UNSYNCHRONIZED' ] ; then
        echo "Synchronizing the configuration..."
        echo "Synchronizing the configuration..." >> $RESULT_FILE
        bigpipe config sync all

        if [[ ! $(bigpipe config sync show) == *Synchronized* ]] ; then
            echo "Configuration still not synchronized, bailing out..."
            echo "Configuration still not synchronized, bailing out..." >> $RESULT_FILE
            exit 0
        fi
        echo "Configuration sync successful..."
        echo "Configuration sync successful..." >> $RESULT_FILE
    fi

    echo "$MESSAGE rebooting!! "
    echo "$MESSAGE rebooting!!" >> $RESULT_FILE
    logger -t BIGIP-ADMIN-SCRIPT -p local0.notice "$MESSAGE rebooting!!"
    $MAIL_BIN -s "$EMAIL_SUBJECT" "$EMAIL_TO" < $RESULT_FILE

    # reboot
    # shutdown -r now
    $SHUTDOWN_BIN -r now

    echo "I would have rebooted but this was a test"
    echo "I would have rebooted but this was a test" >> $RESULT_FILE
    logger -t BIGIP-ADMIN-SCRIPT -p local0.notice "I would have rebooted but this was a test"

else

    echo "$MESSAGE nothing to do... "
    echo "$MESSAGE nothing to do..." >> $RESULT_FILE
    logger -t BIGIP-ADMIN-SCRIPT -p local0.notice "$MESSAGE doing nothing"
    $MAIL_BIN -s "$EMAIL_SUBJECT" "$EMAIL_TO" < $RESULT_FILE

fi