mirror of
https://github.com/vdsm/virtual-dsm.git
synced 2025-02-24 21:40:01 +08:00
dae5d75674
* * Add fakeroot to extract the dsm system without elevated permissions * Remove obsolete docker variable "DEV" used to exclude extraction of device nodes * feat: Detect unprivileged container * fix: Use fakeroot for mke2fs --------- Co-authored-by: Kroese <kroese@users.noreply.github.com>
332 lines
9.1 KiB
Bash
332 lines
9.1 KiB
Bash
#!/usr/bin/env bash
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set -Eeuo pipefail
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: ${URL:=''} # URL of the PAT file to be downloaded.
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if [ -f "$STORAGE"/dsm.ver ]; then
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BASE=$(cat "$STORAGE/dsm.ver")
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else
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# Fallback for old installs
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BASE="DSM_VirtualDSM_42962"
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fi
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[ -n "$URL" ] && BASE=$(basename "$URL" .pat)
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if [[ -f "$STORAGE/$BASE.boot.img" ]] && [[ -f "$STORAGE/$BASE.system.img" ]]; then
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return 0 # Previous installation found
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fi
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# Display wait message
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/run/server.sh 5000 install &
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DL=""
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DL_CHINA="https://cndl.synology.cn/download/DSM"
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DL_GLOBAL="https://global.synologydownload.com/download/DSM"
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[[ "${URL,,}" == *"cndl.synology"* ]] && DL="$DL_CHINA"
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[[ "${URL,,}" == *"global.synology"* ]] && DL="$DL_GLOBAL"
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if [ -z "$DL" ]; then
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[ -z "$COUNTRY" ] && setCountry
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[ -z "$COUNTRY" ] && info "Warning: could not detect country to select mirror!"
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[[ "${COUNTRY^^}" == "CN" ]] && DL="$DL_CHINA" || DL="$DL_GLOBAL"
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fi
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[ -z "$URL" ] && URL="$DL/release/7.2.1/69057-1/DSM_VirtualDSM_69057.pat"
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BASE=$(basename "$URL" .pat)
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if [[ "$URL" != "file://$STORAGE/$BASE.pat" ]]; then
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rm -f "$STORAGE"/"$BASE".pat
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fi
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rm -f "$STORAGE"/"$BASE".agent
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rm -f "$STORAGE"/"$BASE".boot.img
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rm -f "$STORAGE"/"$BASE".system.img
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[[ "$DEBUG" == [Yy1]* ]] && set -x
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# Check filesystem
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MIN_ROOT=471859200
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MIN_SPACE=6442450944
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FS=$(stat -f -c %T "$STORAGE")
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if [[ "$FS" == "overlay"* ]]; then
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info "Warning: the filesystem of $STORAGE is OverlayFS, this usually means it was binded to an invalid path!"
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fi
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if [[ "$FS" == "xfs" || "$FS" == "zfs" || "$FS" == "btrfs" || "$FS" == "bcachefs" ]]; then
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FA=$(lsattr -d "$STORAGE")
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if [[ "$FA" != *"C"* ]]; then
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info "Warning: the filesystem of $STORAGE is ${FS^^}, and COW (copy on write) is not disabled for that folder!"
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info "This will negatively affect performance, please empty the folder and disable COW (chattr +C <path>)."
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fi
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fi
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if [[ "$FS" != "fat"* && "$FS" != "vfat"* && "$FS" != "exfat"* && \
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"$FS" != "ntfs"* && "$FS" != "fuse"* && "$FS" != "msdos"* ]]; then
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TMP="$STORAGE/tmp"
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else
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TMP="/tmp/dsm"
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SPACE=$(df --output=avail -B 1 /tmp | tail -n 1)
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if (( MIN_SPACE > SPACE )); then
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TMP="$STORAGE/tmp"
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info "Warning: the $FS filesystem of $STORAGE does not support UNIX permissions.."
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fi
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fi
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rm -rf "$TMP" && mkdir -p "$TMP"
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# Check free diskspace
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SPACE=$(df --output=avail -B 1 / | tail -n 1)
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(( MIN_ROOT > SPACE )) && error "Not enough free space in container root, need at least 450 MB available." && exit 96
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SPACE=$(df --output=avail -B 1 "$TMP" | tail -n 1)
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SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
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(( MIN_SPACE > SPACE )) && error "Not enough free space for installation in $STORAGE, have $SPACE_GB GB available but need at least 6 GB." && exit 95
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if [[ "$TMP" != "$STORAGE/tmp" ]]; then
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SPACE=$(df --output=avail -B 1 "$STORAGE" | tail -n 1)
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SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
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(( MIN_SPACE > SPACE )) && error "Not enough free space for installation in $STORAGE, have $SPACE_GB GB available but need at least 6 GB." && exit 94
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fi
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# Check if output is to interactive TTY
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if [ -t 1 ]; then
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PROGRESS="--progress=bar:noscroll"
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else
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PROGRESS="--progress=dot:giga"
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fi
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# Download the required files from the Synology website
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ROOT="Y"
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RDC="$STORAGE/dsm.rd"
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if [ ! -f "$RDC" ]; then
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info "Install: Downloading installer..."
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RD="$TMP/rd.gz"
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POS="65627648-71021835"
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VERIFY="b4215a4b213ff5154db0488f92c87864"
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LOC="$DL/release/7.0.1/42218/DSM_VirtualDSM_42218.pat"
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{ curl -r "$POS" -sfk -S -o "$RD" "$LOC"; rc=$?; } || :
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(( rc != 0 )) && error "Failed to download $LOC, reason: $rc" && exit 60
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SUM=$(md5sum "$RD" | cut -f 1 -d " ")
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if [ "$SUM" != "$VERIFY" ]; then
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PAT="/install.pat"
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rm "$RD"
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rm -f "$PAT"
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{ wget "$LOC" -O "$PAT" -q --no-check-certificate --show-progress "$PROGRESS"; rc=$?; } || :
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(( rc != 0 )) && error "Failed to download $LOC, reason: $rc" && exit 60
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tar --extract --file="$PAT" --directory="$(dirname "$RD")"/. "$(basename "$RD")"
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rm "$PAT"
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fi
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cp "$RD" "$RDC"
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fi
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if [ -f "$RDC" ]; then
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{ xz -dc <"$RDC" >"$TMP/rd" 2>/dev/null; rc=$?; } || :
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(( rc != 1 )) && error "Failed to unxz $RDC, reason $rc" && exit 91
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{ (cd "$TMP" && cpio -idm <"$TMP/rd" 2>/dev/null); rc=$?; } || :
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if (( rc != 0 )); then
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ROOT="N"
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{ (cd "$TMP" && fakeroot cpio -idmu <"$TMP/rd" 2>/dev/null); rc=$?; } || :
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(( rc != 0 )) && error "Failed to extract $RDC, reason $rc" && exit 92
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fi
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mkdir -p /run/extract
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for file in $TMP/usr/lib/libcurl.so.4 \
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$TMP/usr/lib/libmbedcrypto.so.5 \
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$TMP/usr/lib/libmbedtls.so.13 \
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$TMP/usr/lib/libmbedx509.so.1 \
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$TMP/usr/lib/libmsgpackc.so.2 \
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$TMP/usr/lib/libsodium.so \
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$TMP/usr/lib/libsynocodesign-ng-virtual-junior-wins.so.7 \
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$TMP/usr/syno/bin/scemd; do
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cp "$file" /run/extract/
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done
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if [ "$ARCH" != "amd64" ]; then
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mkdir -p /lib64/
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cp "$TMP/usr/lib/libc.so.6" /lib64/
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cp "$TMP/usr/lib/libpthread.so.0" /lib64/
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cp "$TMP/usr/lib/ld-linux-x86-64.so.2" /lib64/
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fi
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mv /run/extract/scemd /run/extract/syno_extract_system_patch
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chmod +x /run/extract/syno_extract_system_patch
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fi
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rm -rf "$TMP" && mkdir -p "$TMP"
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info "Install: Downloading $(basename "$URL")..."
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PAT="/$BASE.pat"
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rm -f "$PAT"
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if [[ "$URL" == "file://"* ]]; then
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cp "${URL:7}" "$PAT"
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else
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{ wget "$URL" -O "$PAT" -q --no-check-certificate --show-progress "$PROGRESS"; rc=$?; } || :
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(( rc != 0 )) && error "Failed to download $URL, reason: $rc" && exit 69
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fi
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[ ! -f "$PAT" ] && error "Failed to download $URL" && exit 69
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SIZE=$(stat -c%s "$PAT")
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if ((SIZE<250000000)); then
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error "The specified PAT file is probably an update pack as it's too small." && exit 62
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fi
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info "Install: Extracting downloaded image..."
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if { tar tf "$PAT"; } >/dev/null 2>&1; then
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tar xpf "$PAT" -C "$TMP/."
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else
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export LD_LIBRARY_PATH="/run/extract"
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if [ "$ARCH" == "amd64" ]; then
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{ /run/extract/syno_extract_system_patch "$PAT" "$TMP/."; rc=$?; } || :
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else
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{ qemu-x86_64 /run/extract/syno_extract_system_patch "$PAT" "$TMP/."; rc=$?; } || :
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fi
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export LD_LIBRARY_PATH=""
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(( rc != 0 )) && error "Failed to extract PAT file, reason $rc" && exit 63
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fi
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HDA="$TMP/hda1"
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IDB="$TMP/indexdb"
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PKG="$TMP/packages"
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HDP="$TMP/synohdpack_img"
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[ ! -f "$HDA.tgz" ] && error "The PAT file contains no OS image." && exit 64
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BOOT=$(find "$TMP" -name "*.bin.zip")
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[ ! -f "$BOOT" ] && error "The PAT file contains no boot image." && exit 67
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BOOT=$(echo "$BOOT" | head -c -5)
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unzip -q -o "$BOOT".zip -d "$TMP"
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SYSTEM="$TMP/sys.img"
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SYSTEM_SIZE=4954537983
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# Check free diskspace
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SPACE=$(df --output=avail -B 1 "$TMP" | tail -n 1)
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SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
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(( SYSTEM_SIZE > SPACE )) && error "Not enough free space to create a 4 GB system disk, have only $SPACE_GB GB available." && exit 97
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if ! fallocate -l "$SYSTEM_SIZE" "$SYSTEM"; then
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if ! truncate -s "$SYSTEM_SIZE" "$SYSTEM"; then
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rm -f "$SYSTEM" && error "Could not allocate a file for the system disk." && exit 98
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fi
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fi
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# Check if file exists
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[ ! -f "$SYSTEM" ] && error "System disk does not exist ($SYSTEM)" && exit 99
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# Check the filesize
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SIZE=$(stat -c%s "$SYSTEM")
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[[ SIZE -ne SYSTEM_SIZE ]] && rm -f "$SYSTEM" && error "System disk has the wrong size: $SIZE" && exit 90
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PART="$TMP/partition.fdisk"
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{ echo "label: dos"
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echo "label-id: 0x6f9ee2e9"
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echo "device: $SYSTEM"
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echo "unit: sectors"
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echo "sector-size: 512"
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echo ""
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echo "${SYSTEM}1 : start= 2048, size= 4980480, type=83"
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echo "${SYSTEM}2 : start= 4982528, size= 4194304, type=82"
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} > "$PART"
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sfdisk -q "$SYSTEM" < "$PART"
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info "Install: Extracting system partition..."
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LABEL="1.44.1-42218"
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OFFSET="1048576" # 2048 * 512
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NUMBLOCKS="622560" # (4980480 * 512) / 4096
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MOUNT="$TMP/system"
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rm -rf "$MOUNT" && mkdir -p "$MOUNT"
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mv "$HDA.tgz" "$HDA.txz"
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if [[ "$ROOT" != [Nn]* ]]; then
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tar xpfJ "$HDA.txz" --absolute-names -C "$MOUNT/"
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fi
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[ -d "$PKG" ] && mv "$PKG/" "$MOUNT/.SynoUpgradePackages/"
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rm -f "$MOUNT/.SynoUpgradePackages/ActiveInsight-"*
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[ -f "$HDP.txz" ] && tar xpfJ "$HDP.txz" --absolute-names -C "$MOUNT/"
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if [ -f "$IDB.txz" ]; then
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INDEX_DB="$MOUNT/usr/syno/synoman/indexdb/"
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mkdir -p "$INDEX_DB"
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tar xpfJ "$IDB.txz" --absolute-names -C "$INDEX_DB"
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fi
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if [[ "$ROOT" != [Nn]* ]]; then
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info "Install: Installing system partition..."
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mke2fs -q -t ext4 -b 4096 -d "$MOUNT/" -L "$LABEL" -F -E "offset=$OFFSET" "$SYSTEM" "$NUMBLOCKS"
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else
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fakeroot -- bash -c "set -Eeu;\
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tar xpfJ $HDA.txz --absolute-names --skip-old-files -C $MOUNT/;\
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printf '%b%s%b' '\E[1;34m❯ \E[1;36m' 'Install: Installing system partition...' '\E[0m\n';\
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mke2fs -q -t ext4 -b 4096 -d $MOUNT/ -L $LABEL -F -E offset=$OFFSET $SYSTEM $NUMBLOCKS"
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fi
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rm -rf "$MOUNT"
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echo "$BASE" > "$STORAGE"/dsm.ver
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if [[ "$URL" == "file://$STORAGE/$BASE.pat" ]]; then
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rm -f "$PAT"
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else
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mv -f "$PAT" "$STORAGE"/"$BASE".pat
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fi
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mv -f "$BOOT" "$STORAGE"/"$BASE".boot.img
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mv -f "$SYSTEM" "$STORAGE"/"$BASE".system.img
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rm -rf "$TMP"
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{ set +x; } 2>/dev/null
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[[ "$DEBUG" == [Yy1]* ]] && echo
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return 0
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