mirror of
https://github.com/vdsm/virtual-dsm.git
synced 2025-02-24 13:30:02 +08:00
182 lines
3.5 KiB
Bash
182 lines
3.5 KiB
Bash
#!/usr/bin/env bash
|
||
set -Eeuo pipefail
|
||
|
||
# Configure QEMU for graceful shutdown
|
||
|
||
API_CMD=6
|
||
API_TIMEOUT=50
|
||
API_HOST="127.0.0.1:2210"
|
||
|
||
QEMU_TERM=""
|
||
QEMU_PORT=7100
|
||
QEMU_TIMEOUT=50
|
||
QEMU_PID="/run/shm/qemu.pid"
|
||
QEMU_LOG="/run/shm/qemu.log"
|
||
QEMU_OUT="/run/shm/qemu.out"
|
||
QEMU_END="/run/shm/qemu.end"
|
||
|
||
if [[ "$KVM" == [Nn]* ]]; then
|
||
API_TIMEOUT=$(( API_TIMEOUT*2 ))
|
||
QEMU_TIMEOUT=$(( QEMU_TIMEOUT*2 ))
|
||
fi
|
||
|
||
touch "$QEMU_LOG"
|
||
|
||
_trap() {
|
||
func="$1" ; shift
|
||
for sig ; do
|
||
trap "$func $sig" "$sig"
|
||
done
|
||
}
|
||
|
||
finish() {
|
||
|
||
local pid
|
||
local reason=$1
|
||
|
||
if [ -f "$QEMU_PID" ]; then
|
||
|
||
pid=$(<"$QEMU_PID")
|
||
echo && error "Forcefully terminating QEMU process, reason: $reason..."
|
||
{ kill -15 "$pid" || true; } 2>/dev/null
|
||
|
||
while isAlive "$pid"; do
|
||
sleep 1
|
||
# Workaround for zombie pid
|
||
[ ! -f "$QEMU_PID" ] && break
|
||
done
|
||
fi
|
||
|
||
fKill "print.sh"
|
||
fKill "host.bin"
|
||
|
||
closeNetwork
|
||
|
||
sleep 1
|
||
echo && echo "❯ Shutdown completed!"
|
||
|
||
exit "$reason"
|
||
}
|
||
|
||
terminal() {
|
||
|
||
local dev=""
|
||
|
||
if [ -f "$QEMU_OUT" ]; then
|
||
|
||
local msg
|
||
msg=$(<"$QEMU_OUT")
|
||
|
||
if [ -n "$msg" ]; then
|
||
|
||
if [[ "${msg,,}" != "char"* || "$msg" != *"serial0)" ]]; then
|
||
echo "$msg"
|
||
fi
|
||
|
||
dev="${msg#*/dev/p}"
|
||
dev="/dev/p${dev%% *}"
|
||
|
||
fi
|
||
fi
|
||
|
||
if [ ! -c "$dev" ]; then
|
||
dev=$(echo 'info chardev' | nc -q 1 -w 1 localhost "$QEMU_PORT" | tr -d '\000')
|
||
dev="${dev#*serial0}"
|
||
dev="${dev#*pty:}"
|
||
dev="${dev%%$'\n'*}"
|
||
dev="${dev%%$'\r'*}"
|
||
fi
|
||
|
||
if [ ! -c "$dev" ]; then
|
||
error "Device '$dev' not found!"
|
||
finish 34 && return 34
|
||
fi
|
||
|
||
QEMU_TERM="$dev"
|
||
return 0
|
||
}
|
||
|
||
_graceful_shutdown() {
|
||
|
||
local code=$?
|
||
local pid url response
|
||
|
||
set +e
|
||
|
||
if [ -f "$QEMU_END" ]; then
|
||
echo && info "Received $1 signal while already shutting down..."
|
||
return
|
||
fi
|
||
|
||
touch "$QEMU_END"
|
||
echo && info "Received $1 signal, sending shutdown command..."
|
||
|
||
if [ ! -f "$QEMU_PID" ]; then
|
||
echo && error "QEMU PID file does not exist?"
|
||
finish "$code" && return "$code"
|
||
fi
|
||
|
||
pid=$(<"$QEMU_PID")
|
||
|
||
if ! isAlive "$pid"; then
|
||
echo && error "QEMU process does not exist?"
|
||
finish "$code" && return "$code"
|
||
fi
|
||
|
||
# Don't send the powerdown signal because vDSM ignores ACPI signals
|
||
# echo 'system_powerdown' | nc -q 1 -w 1 localhost "${QEMU_PORT}" > /dev/null
|
||
|
||
# Send shutdown command to guest agent via serial port
|
||
url="http://$API_HOST/read?command=$API_CMD&timeout=$API_TIMEOUT"
|
||
response=$(curl -sk -m "$(( API_TIMEOUT+2 ))" -S "$url" 2>&1)
|
||
|
||
if [[ "$response" =~ "\"success\"" ]]; then
|
||
|
||
echo && info "Virtual DSM is now ready to shutdown..."
|
||
|
||
else
|
||
|
||
response="${response#*message\"\: \"}"
|
||
[ -z "$response" ] && response="second signal"
|
||
echo && error "Forcefully terminating because of: ${response%%\"*}"
|
||
{ kill -15 "$pid" || true; } 2>/dev/null
|
||
|
||
fi
|
||
|
||
local cnt=0
|
||
|
||
while [ "$cnt" -lt "$QEMU_TIMEOUT" ]; do
|
||
|
||
! isAlive "$pid" && break
|
||
|
||
sleep 1
|
||
cnt=$((cnt+1))
|
||
|
||
[[ "$DEBUG" == [Yy1]* ]] && info "Shutting down, waiting... ($cnt/$QEMU_TIMEOUT)"
|
||
|
||
# Workaround for zombie pid
|
||
[ ! -f "$QEMU_PID" ] && break
|
||
|
||
done
|
||
|
||
if [ "$cnt" -ge "$QEMU_TIMEOUT" ]; then
|
||
echo && error "Shutdown timeout reached, aborting..."
|
||
fi
|
||
|
||
finish "$code" && return "$code"
|
||
}
|
||
|
||
MON_OPTS="\
|
||
-pidfile $QEMU_PID \
|
||
-monitor telnet:localhost:$QEMU_PORT,server,nowait,nodelay"
|
||
|
||
if [[ "$CONSOLE" != [Yy]* ]]; then
|
||
|
||
MON_OPTS="$MON_OPTS -daemonize -D $QEMU_LOG"
|
||
|
||
_trap _graceful_shutdown SIGTERM SIGHUP SIGINT SIGABRT SIGQUIT
|
||
|
||
fi
|
||
|
||
return 0
|