Switch from guestmount / libguestfs to loop device (a3edaf35) · Commits · git-mirror / virtual-dsm

Dockerfile

+18 −20

Original line number	Diff line number	Diff line
		@@ -5,20 +5,20 @@ WORKDIR /src/serial
		RUN go get -d -v golang.org/x/net/html
		RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o /src/serial/main .

		FROM debian:bullseye-20230109-slim
		FROM debian:bookworm-20230320-slim

		RUN apt-get update && apt-get -y upgrade && \
		apt-get --no-install-recommends -y install \
		iproute2 \
		jq \
		netcat \
		xz-utils \
		unzip \
		wget \
		unzip \
		parted \
		procps \
		python3 \
		linux-image-generic \
		libguestfs-tools \
		xz-utils \
		ca-certificates \
		netcat-openbsd \
		qemu-system-x86 \
		udhcpd \
		&& apt-get clean
		@@ -38,12 +38,10 @@ RUN ["chmod", "+x", "/run/qemu-ifup"]
		RUN ["chmod", "+x", "/run/run.sh"]
		RUN ["chmod", "+x", "/run/serial.sh"]
		RUN ["chmod", "+x", "/run/server.sh"]
		RUN ["chmod", "+x", "/run/serial.bin"]
		RUN ["chmod", "+x", "/run/install.sh"]

		COPY extractor/lib* /run/
		COPY extractor/scemd /run/syno_extract_system_patch
		RUN ["chmod", "+x", "/run/syno_extract_system_patch"]
		COPY extractor/lib* /run/extract/
		COPY extractor/scemd /run/extract/syno_extract_system_patch

		COPY disks/template.img.xz /data/

		@@ -60,9 +58,9 @@ EXPOSE 5001
		ENV RAM_SIZE 512M
		ENV DISK_SIZE 16G

		#ENV URL https://global.synologydownload.com/download/DSM/beta/7.2/64216/DSM_VirtualDSM_64216.pat
		ENV URL https://global.synologydownload.com/download/DSM/beta/7.2/64216/DSM_VirtualDSM_64216.pat
		#ENV URL https://global.synologydownload.com/download/DSM/release/7.0.1/42218/DSM_VirtualDSM_42218.pat
		ENV URL https://global.synologydownload.com/download/DSM/release/7.1.1/42962-1/DSM_VirtualDSM_42962.pat
		#ENV URL https://global.synologydownload.com/download/DSM/release/7.1.1/42962-1/DSM_VirtualDSM_42962.pat

		ENTRYPOINT ["/run/run.sh"]

install.sh

+28 −35

Original line number	Diff line number	Diff line
		#!/usr/bin/env bash

		set -eu

		IMG="/storage"

		[ ! -f "/run/server.sh" ] && echo "Script must run inside Docker container!" && exit 60
		[ ! -f "$IMG/boot.img" ] && rm -f $IMG/system.img

		if [ ! -f "$IMG/system.img" ]; then
		[ ! -f "$IMG/boot.img" ] && rm -f $IMG/system.img
		[ -f "$IMG/system.img" ] && exit 0

		echo "Downloading $URL..."

		@@ -24,44 +24,36 @@ if [ ! -f "$IMG/system.img" ]; then
		echo "Invalid PAT file: File is an update pack which contains no OS image." && exit 62
		fi

		echo "Extracting boot image..."
		echo "Extracting downloaded system image..."

		if { tar tf "$FILE"; } >/dev/null 2>&1; then
		tar xpf $FILE -C $TMP/.
		else
		export LD_LIBRARY_PATH="/run"
		if ! /run/syno_extract_system_patch $FILE $TMP/. ; then
		export LD_LIBRARY_PATH="/run/extract"
		if ! /run/extract/syno_extract_system_patch $FILE $TMP/. ; then
		echo "Invalid PAT file: File is an update pack which contains no OS image." && exit 63
		fi
		export LD_LIBRARY_PATH=""
		fi

		rm $FILE

		HDA="$TMP/hda1"
		HDP="$TMP/synohdpack_img"
		IDB="$TMP/indexdb"
		HDP="$TMP/synohdpack_img"

		[ ! -f "$HDA.tgz" ] && echo "Invalid PAT file: File contains no OS image." && exit 64
		[ ! -f "$HDP.txz" ] && echo "Invalid PAT file: HD pack not found." && exit 65
		[ ! -f "$IDB.txz" ] && echo "Invalid PAT file: IndexDB file not found." && exit 66

		echo "Extracting downloaded boot image..."

		BOOT=$(find $TMP -name "*.bin.zip")

		[ ! -f "$BOOT" ] && echo "Invalid PAT file: boot file not found." && exit 67

		BOOT=$(echo $BOOT \| head -c -5)
		unzip -q -o $BOOT.zip -d $TMP

		unzip -q $BOOT.zip -d $TMP
		rm $BOOT.zip

		echo "Extracting system image..."

		mv $HDA.tgz $HDA.xz
		unxz $HDA.xz
		mv $HDA $HDA.tar

		echo "Extracting disk image..."
		echo "Extracting prepared disk image..."

		SYSTEM="$TMP/temp.img"
		PLATE="/data/template.img"
		@@ -70,34 +62,35 @@ if [ ! -f "$IMG/system.img" ]; then
		unxz $PLATE.xz
		mv -f $PLATE $SYSTEM

		echo "Mounting disk image..."
		echo "Installing system partition..."

		MOUNT="/mnt/tmp"
		rm -rf $MOUNT && mkdir -p $MOUNT

		rm -rf $MOUNT
		mkdir -p $MOUNT
		guestmount -a $SYSTEM -m /dev/sda1:/ --rw $MOUNT
		rm -rf $MOUNT/{,.[!.],..?}*
		OFFSET=$(parted -s $SYSTEM unit B print \| sed 's/^ //g' \| grep "^1 " \| tr -s ' ' \| cut -d ' ' -f2 \| sed 's/[^0-9]*//g')

		echo -n "Installing system partition.."
		if [ "$OFFSET" != "1048576" ]; then
		echo "Invalid disk image, wrong offset: $OFFSET" && exit 68
		fi

		tar xpf $HDP.txz --absolute-names -C $MOUNT/
		tar xpf $HDA.tar --absolute-names --checkpoint=.6000 -C $MOUNT/
		tar xpf $IDB.txz --absolute-names -C $MOUNT/usr/syno/synoman/indexdb/
		if ! mount -t ext4 -o loop,offset=$OFFSET $SYSTEM $MOUNT ; then
		echo "Failed to mount disk image. Docker container needs to be in privileged mode during installation." && exit 69
		fi

		rm -rf $MOUNT/{,.[!.],..?}*

		echo ""
		echo "Unmounting disk template..."
		mv $HDA.tgz $HDA.txz

		rm $HDA.tar
		rm $HDP.txz
		rm $IDB.txz
		tar xpfJ $HDP.txz --absolute-names -C $MOUNT/
		tar xpfJ $HDA.txz --absolute-names -C $MOUNT/
		tar xpfJ $IDB.txz --absolute-names -C $MOUNT/usr/syno/synoman/indexdb/

		guestunmount $MOUNT
		umount $MOUNT
		rm -rf $MOUNT

		mv -f $BOOT $IMG/boot.img
		mv -f $SYSTEM $IMG/system.img

		rm -rf $TMP
		fi

		exit 0

run.sh

+0 −1

Original line number	Diff line number	Diff line
		#!/usr/bin/env bash

		set -eu

		/run/server.sh 5000 > /dev/null &