mirror of
https://github.com/vdsm/virtual-dsm.git
synced 2025-02-24 13:30:02 +08:00
229 lines
6.8 KiB
Bash
Executable File
229 lines
6.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eu
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if [ ! -f "/run/server.sh" ]; then
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echo "Script must run inside Docker container!"
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exit 1
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fi
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/run/server.sh 5000 "<HTML><BODY><H1><CENTER>Please wait while Synology is installing...</CENTER></H1></BODY></HTML>" > /dev/null &
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IMG="/storage"
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[ ! -f "$IMG/boot.img" ] && rm -f $IMG/system.img
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if [ ! -f "$IMG/system.img" ]; then
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echo "Downloading Synology DSM from $URL..."
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TMP="$IMG/tmp"
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rm -rf $TMP
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mkdir -p $TMP
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FILE="$TMP/dsm.pat"
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rm -rf $FILE
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wget $URL -O $FILE -q --show-progress
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echo "Extracting DSM boot image..."
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if { tar tf "$FILE"; } >/dev/null 2>&1; then
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tar xpf $FILE -C $TMP/.
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else
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export LD_LIBRARY_PATH="/run"
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/run/syno_extract_system_patch $FILE $TMP/.
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export LD_LIBRARY_PATH=""
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fi
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rm $FILE
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BOOT=$(find $TMP -name "*.bin.zip")
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BOOT=$(echo $BOOT | head -c -5)
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unzip -q $BOOT.zip -d $TMP
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rm $BOOT.zip
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echo "Extracting DSM system image..."
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HDA="$TMP/hda1"
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mv $HDA.tgz $HDA.xz
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unxz $HDA.xz
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mv $HDA $HDA.tar
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echo "Extracting DSM disk template..."
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SYSTEM="$TMP/temp.img"
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PLATE="/data/template.img"
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rm -f $PLATE
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unxz $PLATE.xz
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mv -f $PLATE $SYSTEM
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echo "Mounting disk template..."
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MOUNT="/mnt/tmp"
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rm -rf $MOUNT
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mkdir -p $MOUNT
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guestmount -a $SYSTEM -m /dev/sda1:/ --rw $MOUNT
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rm -rf $MOUNT/{,.[!.],..?}*
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echo -n "Installing system partition.."
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tar xpf $HDA.tar --absolute-names --checkpoint=.5000 -C $MOUNT/
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echo ""
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echo "Unmounting disk template..."
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rm $HDA.tar
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guestunmount $MOUNT
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rm -rf $MOUNT
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mv -f $BOOT $IMG/boot.img
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mv -f $SYSTEM $IMG/system.img
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rm -rf $TMP
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fi
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echo "Booting Synology DSM for Docker..."
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FILE="$IMG/boot.img"
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if [ ! -f "$FILE" ]; then
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echo "ERROR: Synology DSM boot-image does not exist ($FILE)"
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exit 2
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fi
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FILE="$IMG/system.img"
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if [ ! -f "$FILE" ]; then
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echo "ERROR: Synology DSM system-image does not exist ($FILE)"
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exit 2
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fi
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FILE="$IMG/data.img"
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if [ ! -f "$FILE" ]; then
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truncate -s $DISK_SIZE $FILE
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mkfs.ext4 -q $FILE
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fi
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if [ ! -f "$FILE" ]; then
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echo "ERROR: Synology DSM data-image does not exist ($FILE)"
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exit 2
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fi
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# A bridge of this name will be created to host the TAP interface created for
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# the VM
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QEMU_BRIDGE='qemubr0'
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# DHCPD must have an IP address to run, but that address doesn't have to
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# be valid. This is the dummy address dhcpd is configured to use.
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DUMMY_DHCPD_IP='10.0.0.1'
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# These scripts configure/deconfigure the VM interface on the bridge.
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QEMU_IFUP='/run/qemu-ifup'
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QEMU_IFDOWN='/run/qemu-ifdown'
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# The name of the dhcpd config file we make
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DHCPD_CONF_FILE='dhcpd.conf'
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function default_intf() {
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ip -json route show |
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jq -r '.[] | select(.dst == "default") | .dev'
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}
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# First step, we run the things that need to happen before we start mucking
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# with the interfaces. We start by generating the DHCPD config file based
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# on our current address/routes. We "steal" the container's IP, and lease
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# it to the VM once it starts up.
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/run/generate-dhcpd-conf $QEMU_BRIDGE > $DHCPD_CONF_FILE
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default_dev=`default_intf`
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# Now we start modifying the networking configuration. First we clear out
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# the IP address of the default device (will also have the side-effect of
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# removing the default route)
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ip addr flush dev $default_dev
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# Next, we create our bridge, and add our container interface to it.
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ip link add $QEMU_BRIDGE type bridge
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ip link set dev $default_dev master $QEMU_BRIDGE
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# Then, we toggle the interface and the bridge to make sure everything is up
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# and running.
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ip link set dev $default_dev up
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ip link set dev $QEMU_BRIDGE up
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# Prevent error about missing file
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touch /var/lib/misc/udhcpd.leases
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# Finally, start our DHCPD server
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udhcpd -I $DUMMY_DHCPD_IP -f $DHCPD_CONF_FILE 2>&1 &
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echo "Launching Synology Serial Emulator..."
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# Start the Serial Emulator
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HOST_SERIAL=$(/run/serial.sh)
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GUEST_SERIAL=$(/run/serial.sh)
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./run/serial.bin -cpu=1 \
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-vmmversion="2.6.1-12139" \
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-buildnumber=42962 \
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-vmmts="1679863686" \
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-cpu_arch string="VirtualDSM" \
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-guestsn="$GUEST_SERIAL" \
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-hostsn="$HOST_SERIAL" \
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-guestuuid="ba13a19a-c0c1-4fef-9346-915ed3b98341" > /dev/null 2>&1 &
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# Stop the webserver
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pkill -f server.sh
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echo "Booting OS..."
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# Configure QEMU for graceful shutdown
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QEMU_MONPORT=7100
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QEMU_POWERDOWN_TIMEOUT=30
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_graceful_shutdown() {
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local COUNT=0
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local QEMU_MONPORT="${QEMU_MONPORT:-7100}"
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local QEMU_POWERDOWN_TIMEOUT="${QEMU_POWERDOWN_TIMEOUT:-120}"
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set +e
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echo "Trying to shut down the VM gracefully"
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echo 'system_powerdown' | nc -q 1 localhost ${QEMU_MONPORT}>/dev/null 2>&1
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echo ""
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while echo 'info version'|nc -q 1 localhost ${QEMU_MONPORT:-7100}>/dev/null 2>&1 && [ "${COUNT}" -lt "${QEMU_POWERDOWN_TIMEOUT}" ]; do
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let COUNT++
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echo "QEMU still running. Retrying... (${COUNT}/${QEMU_POWERDOWN_TIMEOUT})"
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sleep 1
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done
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if echo 'info version'|nc -q 1 localhost ${QEMU_MONPORT:-7100}>/dev/null 2>&1; then
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echo "Killing the VM"
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echo 'quit' | nc -q 1 localhost ${QEMU_MONPORT}>/dev/null 2>&1 || true
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fi
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echo "Exiting..."
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}
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trap _graceful_shutdown SIGINT SIGTERM SIGHUP
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# And run the VM! A brief explaination of the options here:
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# -enable-kvm: Use KVM for this VM (much faster for our case).
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# -nographic: disable SDL graphics.
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# -serial mon:stdio: use "monitored stdio" as our serial output.
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exec qemu-system-x86_64 -name Synology -m $RAM_SIZE -machine accel=kvm -cpu host -nographic -serial mon:stdio \
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-monitor telnet:localhost:${QEMU_MONPORT:-7100},server,nowait,nodelay \
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-device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 \
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-device isa-serial,chardev=charserial0,id=serial0 -chardev socket,id=charchannel0,host=127.0.0.1,port=12345,reconnect=10 \
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-device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=vchannel \
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-device virtio-net,netdev=tap0 -netdev tap,id=tap0,ifname=Tap,script=$QEMU_IFUP,downscript=$QEMU_IFDOWN \
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-device virtio-scsi-pci,id=hw-synoboot,bus=pci.0,addr=0xa -drive file=$IMG/boot.img,if=none,id=drive-synoboot,format=raw,cache=none,aio=native,detect-zeroes=on \
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-device scsi-hd,bus=hw-synoboot.0,channel=0,scsi-id=0,lun=0,drive=drive-synoboot,id=synoboot0,bootindex=1 \
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-device virtio-scsi-pci,id=hw-synosys,bus=pci.0,addr=0xb -drive file=$IMG/system.img,if=none,id=drive-synosys,format=raw,cache=none,aio=native,detect-zeroes=on \
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-device scsi-hd,bus=hw-synosys.0,channel=0,scsi-id=0,lun=0,drive=drive-synosys,id=synosys0,bootindex=2 \
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-device virtio-scsi-pci,id=hw-userdata,bus=pci.0,addr=0xc -drive file=$IMG/data.img,if=none,id=drive-userdata,format=raw,cache=none,aio=native,detect-zeroes=on \
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-device scsi-hd,bus=hw-userdata.0,channel=0,scsi-id=0,lun=0,drive=drive-userdata,id=userdata0,bootindex=3 \
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-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 &
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wait $!
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