virtual-dsm/src/power.sh
Kroese b9f3e52ba4
feat: Improve shutdown (#448)
* feat: Improve shutdown
2023-12-10 09:22:35 +01:00

78 lines
1.7 KiB
Bash
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/usr/bin/env bash
set -Eeuo pipefail
# Configure QEMU for graceful shutdown
QEMU_PORT=7100
QEMU_TIMEOUT=50
QEMU_PID=/run/qemu.pid
QEMU_COUNT=/run/qemu.count
rm -f "$QEMU_PID"
rm -f "$QEMU_COUNT"
_trap(){
func="$1" ; shift
for sig ; do
trap "$func $sig" "$sig"
done
}
_graceful_shutdown() {
set +e
local cnt response
[ ! -f "$QEMU_PID" ] && exit 130
[ -f "$QEMU_COUNT" ] && return
echo 0 > "$QEMU_COUNT"
echo && info "Received $1 signal, shutting down..."
# Don't send the powerdown signal because vDSM ignores ACPI signals
# echo 'system_powerdown' | nc -q 1 -w 1 localhost "${QEMU_PORT}" > /dev/null
# Send shutdown command to guest agent via serial port
url="http://127.0.0.1:2210/read?command=6&timeout=50"
response=$(curl -sk -m 60 -S "$url" 2>&1)
if [[ ! "$response" =~ "\"success\"" ]]; then
echo && error "Failed to send shutdown command (${response#*message\"\: \"})."
kill -15 "$(cat "$QEMU_PID")"
pkill -f qemu-system-x86_64 || true
fi
while [ "$(cat $QEMU_COUNT)" -lt "$QEMU_TIMEOUT" ]; do
# Increase the counter
echo $(($(cat $QEMU_COUNT)+1)) > "$QEMU_COUNT"
# Try to connect to qemu
if echo 'info version'| nc -q 1 -w 1 localhost "$QEMU_PORT" >/dev/null 2>&1 ; then
sleep 1
cnt="$(cat $QEMU_COUNT)/$QEMU_TIMEOUT"
[[ "$DEBUG" == [Yy1]* ]] && info "Shutting down, waiting... ($cnt)"
fi
done
echo && echo " Quitting..."
echo 'quit' | nc -q 1 -w 1 localhost "$QEMU_PORT" >/dev/null 2>&1 || true
pkill -f host.bin || true
closeNetwork
sleep 1
return
}
_trap _graceful_shutdown SIGTERM SIGHUP SIGINT SIGABRT SIGQUIT
MON_OPTS="-monitor telnet:localhost:$QEMU_PORT,server,nowait,nodelay"