esxidown.sh

#!/bin/sh
# ESXi host automated shutdown script (https://github.com/ThisIsTenou/esxidown)

##################################
## !!! DO NOT EDIT THIS FILE!!! ##
##################################

# Get variables from arguments
LOGFILE="$1/esxidown.log"
TEST=$2
WAITTRYS=$3
WAITTIME=$4

exec 2>>"$LOGFILE"
message () {
	echo "$(date '+%F %H:%M:%S') [esxidown] $1">>"$LOGFILE"
}
message "esxidown started"
message "Testing enabled (0=No, 1=Yes): $TEST"

# Gather all VM-IDs on the host
SERVERIDS=$(vim-cmd vmsvc/getallvms | sed -e '1d' -e 's/ \[.*$//' | awk '$1 ~ /^[0-9]+$/ {print $1}')

validate_shutdown()
{
    vim-cmd vmsvc/power.getstate $SRVID | grep -i "off" > /dev/null 2<&1
    STATUS=$?

    if [ $STATUS -ne 0 ]; then
        if [ $TRY -lt $WAITTRYS ]; then
            # if the vm is not off, wait for it to shut down
            TRY=$((TRY + 1))
            message "Waiting for guest VM ID $SRVID to shutdown (attempt #$TRY)..."
            sleep $WAITTIME
            validate_shutdown
        else
            # force power off and wait a little (you could use vmsvc/power.suspend here instead)
            message "Unable to gracefully shutdown guest VM ID $SRVID, forcing power off"
            if [ $TEST -eq 0 ]; then
                vim-cmd vmsvc/power.off $SRVID
            fi
            sleep $WAITTIME
        fi
    fi
}

# enter maintenance mode immediately
message "Entering maintenance mode"
if [ $TEST -eq 0 ]; then
    esxcli system maintenanceMode set -e true -t 0 &
fi

#send all shutdown messages
for SRVID in $SERVERIDS
do
    vim-cmd vmsvc/power.getstate $SRVID | grep -i "off\|Suspended" > /dev/null 2<&1
    STATUS=$?
    if [ $STATUS -ne 0 ]; then
        if [ $TEST -eq 0 ]; then
            vim-cmd vmsvc/power.shutdown $SRVID
        fi
    fi
done


for SRVID in $SERVERIDS
do
    TRY=0

    vim-cmd vmsvc/power.getstate $SRVID | grep -i "off\|Suspended" > /dev/null 2<&1
    STATUS=$?

    if [ $STATUS -ne 0 ]; then
        message "Checking shutdown of guest VM ID $SRVID..."
        validate_shutdown
    else
        message "Guest VM ID $SRVID is off"
    fi
done

# guest vm shutdown complete
message "Guest VM shutdown complete"

# shutdown the ESXi host
message "Shutting down ESXi host after 15 seconds"
if [ $TEST -eq 0 ]; then
    esxcli system shutdown poweroff -d 10 -r "Automated ESXi host shutdown // esxidown.sh"
fi




# exit maintenance mode immediately before server has a chance to shutdown/power off
# NOTE: it is possible for this to fail, leaving the server in maintenance mode on reboot!
message "Exiting maintenance mode"
if [ $TEST -eq 0 ]; then
    esxcli system maintenanceMode set -e false -t 0
fi
message "Script finished"

# exit the session
exit