Parse JSON with JQ (#437)

* feat: Parse JSON with JQ

.github/workflows/build.yml

@@ -7,12 +7,16 @@ on:
       - master
     paths-ignore:
       - '**/*.md'
-      - '**/*.yml'      
+      - '**/*.yml'
       - '.gitignore'
       - '.dockerignore'
       - '.github/**'
       - '.github/workflows/**'
 
+concurrency:
+  group: build
+  cancel-in-progress: false
+
 jobs:
   shellcheck:
     name: Check
@@ -22,37 +26,34 @@ jobs:
     needs: shellcheck
     runs-on: ubuntu-latest
     permissions:
+      actions: write
       packages: write
       contents: read
     steps:
-      - 
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
       -
         name: Checkout
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
       -
-        name: Prepare Docker build
-        id: prepare
-        run: |
-        
-          PLATFORMS="linux/amd64,linux/arm64"
-          VERSION="${{ vars.MAJOR }}.${{ vars.MINOR }}"
-          
-          TAGS=()
-          TAGS=("${{ github.repository }}:latest")
-          TAGS+=("${{ github.repository }}:${VERSION}")
-          #TAGS+=("${{ secrets.DOCKERHUB_MIRROR }}:latest")
-          #TAGS+=("${{ secrets.DOCKERHUB_MIRROR }}:${VERSION}")
-          TAGS+=("ghcr.io/${{ github.repository }}:latest")
-          TAGS+=("ghcr.io/${{ github.repository }}:${VERSION}")
-          
-          echo "tags=${TAGS[@]}" >> $GITHUB_OUTPUT
-          echo "version=${VERSION}" >> $GITHUB_OUTPUT
-          echo "docker_platforms=${PLATFORMS}" >> $GITHUB_OUTPUT
-          echo "build_date=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
+        name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          context: git
+          images: |
+            ${{ secrets.DOCKERHUB_REPO }}
+            ghcr.io/${{ github.repository }}
+          tags: |
+            type=raw,value=latest,priority=100
+            type=raw,value=${{ vars.MAJOR }}.${{ vars.MINOR }}
+          labels: |
+            org.opencontainers.image.title=${{ vars.NAME }}
+        env:
+          DOCKER_METADATA_ANNOTATIONS_LEVELS: manifest,index            
+      - 
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
       -
         name: Login into Docker Hub
         uses: docker/login-action@v3
@@ -66,36 +67,28 @@ jobs:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - 
-        name: Build Docker image
-        run: |
-        
-          TAGS=(${{ steps.prepare.outputs.tags }})
-
-          echo "Build date: ${{ steps.prepare.outputs.build_date }}"
-          echo "Docker platform: ${{ steps.prepare.outputs.docker_platforms }}"
-          echo "Tags: ${{ steps.prepare.outputs.tags }}"
-
-          docker buildx build --platform ${{ steps.prepare.outputs.docker_platforms }} \
-            --output "type=image,push=true" \
-            --progress=plain \
-            --build-arg "BUILD_ARG=${GITHUB_RUN_ID}" \
-            --build-arg "VERSION_ARG=${{ steps.prepare.outputs.version }}" \
-            --build-arg "DATE_ARG=${{ steps.prepare.outputs.build_date }}" \
-            --build-arg "VCS_REF=${GITHUB_SHA::8}" \
-            $(printf "%s" "${TAGS[@]/#/ --tag }" ) .
       -
-        name: Clear Docker credentials
-        run: |
-          rm -f ${HOME}/.docker/config.json
+        name: Build Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          provenance: false
+          platforms: linux/amd64,linux/arm64,linux/arm
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          annotations: ${{ steps.meta.outputs.annotations }}
+          build-args: |
+            VCS_REF=${GITHUB_SHA::8}
+            VERSION_ARG=${{ steps.meta.outputs.version }}
       -
         name: Create a release
         uses: action-pack/github-release@v2
         env:
           GITHUB_TOKEN: ${{ secrets.REPO_ACCESS_TOKEN }}
         with:
-          tag: "v${{ steps.prepare.outputs.version }}"
-          title: "v${{ steps.prepare.outputs.version }}"
+          tag: "v${{ steps.meta.outputs.version }}"
+          title: "v${{ steps.meta.outputs.version }}"
       -
         name: Increment version variable
         uses: action-pack/bump@v2

Dockerfile

@@ -14,7 +14,8 @@ ARG DEBIAN_FRONTEND noninteractive
 
 RUN apt-get update && apt-get -y upgrade && \
     apt-get --no-install-recommends -y install \
-        tini \    
+        jq \
+        tini \
         curl \
         cpio \
         wget \
@@ -33,7 +34,7 @@ RUN apt-get update && apt-get -y upgrade && \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
-COPY src/*.sh /run/
+COPY ./src /run/
 COPY --from=builder /qemu-host.bin /run/host.bin
 RUN chmod +x /run/*.sh && chmod +x /run/*.bin
 
@@ -45,24 +46,13 @@ EXPOSE 139
 EXPOSE 445
 EXPOSE 5000
 
-ENV CPU_CORES "1"
+ENV RAM_SIZE "1G"
 ENV DISK_SIZE "16G"
-ENV RAM_SIZE "512M"
+ENV CPU_CORES "1"
 
-ARG DATE_ARG=""
-ARG BUILD_ARG=0
 ARG VERSION_ARG="0.0"
-ENV VERSION=$VERSION_ARG
+RUN echo "$VERSION_ARG" > /run/version
 
-LABEL org.opencontainers.image.licenses="MIT"
-LABEL org.opencontainers.image.title="Virtual DSM"
-LABEL org.opencontainers.image.created=${DATE_ARG}
-LABEL org.opencontainers.image.revision=${BUILD_ARG}
-LABEL org.opencontainers.image.version=${VERSION_ARG}
-LABEL org.opencontainers.image.source="https://github.com/vdsm/virtual-dsm/"
-LABEL org.opencontainers.image.url="https://hub.docker.com/r/vdsm/virtual-dsm/"
-LABEL org.opencontainers.image.description="Virtual DSM in a docker container"
-
-HEALTHCHECK --interval=60s --retries=2 CMD /run/check.sh
+HEALTHCHECK --interval=60s --start-period=45s --retries=2 CMD /run/check.sh
 
 ENTRYPOINT ["/usr/bin/tini", "-s", "/run/entry.sh"]

docker-compose.yml

@@ -4,11 +4,12 @@ services:
         container_name: dsm
         image: vdsm/virtual-dsm:latest
         environment:
-            CPU_CORES: "1"
             DISK_SIZE: "16G"
-            RAM_SIZE: "512M"
+            RAM_SIZE: "1G"
+            CPU_CORES: "1"
         devices:
             - /dev/kvm
+            - /dev/net/tun
             - /dev/vhost-net
         device_cgroup_rules:
             - 'c *:* rwm'

readme.md

@@ -10,11 +10,12 @@
 [![Pulls]][hub_url]
 
 </div></h1>
+
 Virtual DSM in a docker container.
 
 ## Features
 
- - Multi-platform
+ - Multiple disks
  - KVM acceleration
  - GPU passthrough
  - Upgrades supported
@@ -33,7 +34,6 @@ services:
       DISK_SIZE: "16G"
     devices:
       - /dev/kvm
-      - /dev/vhost-net
     cap_add:
       - NET_ADMIN
     ports:
@@ -58,7 +58,7 @@ docker run -it --rm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-ti
 
     ```yaml
     environment:
-      DISK_SIZE: "256G"
+      DISK_SIZE: "128G"
     ```
     
     This can also be used to resize the existing disk to a larger capacity without any data loss. 
@@ -74,6 +74,19 @@ docker run -it --rm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-ti
 
     Replace the example path `/home/user/data` with the desired storage folder.
 
+  * ### How do I add multiple disks?
+
+    To create additional disks, modify your compose file like this:
+    
+    ```yaml
+    environment:
+      DISK2_SIZE: "32G"
+      DISK3_SIZE: "64G"
+    volumes:
+      - /home/example:/storage2
+      - /mnt/data/example:/storage3
+    ```
+
   * ### How do I change the space reserved by the virtual disk? 
 
     By default, the entire disk space is reserved in advance. To create a growable disk that only reserves the space that is actually used, add the following environment variable:
@@ -84,41 +97,15 @@ docker run -it --rm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-ti
     ```
 
     Keep in mind that this will not affect any of your existing disks, it only applies to newly created disks.
-    
-  * ### How do I add multiple disks?
-
-    To mount extra volumes, modify your compose file like this:
-    
-    ```yaml
-    environment:
-      DISK2_SIZE: "32G"
-      DISK3_SIZE: "64G"
-    volumes:
-      - /home/example2:/storage2
-      - /home/example3:/storage3
-    ```
-
-    Additionally, it's also possible to passthrough raw disk devices like this:
-
-    ```yaml
-    environment:
-      DEVICE2: "/dev/vdc1"
-      DEVICE3: "/dev/vdc2"
-    devices:
-      - /dev/vdc1
-      - /dev/vdc2
-    ```    
-
-    Please beware that any pre-existing partitions and data on those devices will be wiped.
 
   * ### How do I increase the amount of CPU or RAM?
 
-    By default, a single core and 512 MB of RAM are allocated to the container. To increase this, add the following environment variables:
+    By default, a single core and 1 GB of RAM are allocated to the container. To increase this, add the following environment variables:
 
     ```yaml
     environment:
+      RAM_SIZE: "4G"
       CPU_CORES: "4"
-      RAM_SIZE: "2048M"
     ```
 
   * ### How do I verify if my system supports KVM?
@@ -185,18 +172,7 @@ docker run -it --rm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-ti
 
     Please note that even if you don't need DHCP, it's still recommended to enable this feature as it prevents NAT issues and increases performance by using a `macvtap` interface.
 
-  * ### How do I install a specific version of vDSM?
-
-    By default, version 7.2.1 will be installed, but if you prefer an older version, you can add its download URL to your compose file as follows:
-
-    ```yaml
-    environment:
-      URL: "https://global.synologydownload.com/download/DSM/release/7.0.1/42218/DSM_VirtualDSM_42218.pat"
-    ```
-
-    With this method, it is even possible to switch between different versions while keeping all your file data intact.
-
-  * ### How do I passthrough my GPU?
+  * ### How do I passthrough the GPU?
 
     To passthrough your Intel GPU, add the following lines to your compose file:
 
@@ -208,7 +184,18 @@ docker run -it --rm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-ti
     ```
 
     This can be used to enable the facial recognition function in Synology Photos for example.
-    
+
+  * ### How do I install a specific version of vDSM?
+
+    By default, version 7.2.1 will be installed, but if you prefer an older version, you can add its download URL to your compose file as follows:
+
+    ```yaml
+    environment:
+      URL: "https://global.synologydownload.com/download/DSM/release/7.0.1/42218/DSM_VirtualDSM_42218.pat"
+    ```
+
+    With this method, it is even possible to switch between different versions while keeping all your file data intact.
+
   * ### What are the differences compared to the standard DSM?
 
     There are only two minor differences: the Virtual Machine Manager package is not available, and Surveillance Station will not include any free licenses.

src/check.sh

@@ -9,53 +9,40 @@ file="/run/dsm.url"
 if [ ! -f  "$file" ]; then
 
   # Retrieve IP from guest VM for Docker healthcheck
-  RESPONSE=$(curl -s -m 16 -S http://127.0.0.1:2210/read?command=10 2>&1)
 
-  if [[ ! "${RESPONSE}" =~ "\"success\"" ]] ; then
-    echo "Failed to connect to guest: $RESPONSE" && exit 1
+  { json=$(curl -m 30 -sk http://127.0.0.1:2210/read?command=10); rc=$?; } || :
+  (( rc != 0 )) && echo "Failed to connect to guest: curl error $rc" && exit 1
+
+  { result=$(echo "$json" | jq -r '.status'); rc=$?; } || :
+  (( rc != 0 )) && echo "Failed to parse response from guest: jq error $rc ( $json )" && exit 1
+  [[ "$result" == "null" ]] && echo "Guest returned invalid response: $json" && exit 1
+
+  if [[ "$result" != "success" ]] ; then
+    { msg=$(echo "$json" | jq -r '.message'); rc=$?; } || :
+    echo "Guest replied ${result}: $msg" && exit 1
   fi
 
-  # Retrieve the HTTP port number
-  if [[ ! "${RESPONSE}" =~ "\"http_port\"" ]] ; then
-    echo "Failed to parse response from guest: $RESPONSE" && exit 1
-  fi
+  { port=$(echo "$json" | jq -r '.data.data.dsm_setting.data.http_port'); rc=$?; } || :
+  (( rc != 0 )) && echo "Failed to parse response from guest: jq error $rc ( $json )" && exit 1
+  [[ "$port" == "null" ]] && echo "Guest has not set a portnumber yet.." && exit 1
+  [ -z "${port}" ] && echo "Guest has not set a portnumber yet.." && exit 1
 
-  rest=${RESPONSE#*http_port}
-  rest=${rest#*:}
-  rest=${rest%%,*}
-  PORT=${rest%%\"*}
+  { ip=$(echo "$json" | jq -r '.data.data.ip.data[] | select((.name=="eth0") and has("ip")).ip'); rc=$?; } || :
+  (( rc != 0 )) && echo "Failed to parse response from guest: jq error $rc ( $json )" && exit 1
+  [[ "$ip" == "null" ]] && echo "Guest returned invalid response: $json" && exit 1
+  [ -z "${ip}" ] && echo "Guest has not received an IP yet.." && exit 1
 
-  [ -z "${PORT}" ] && echo "Guest has not set a portnumber yet.." && exit 1
-
-  # Retrieve the IP address
-  if [[ ! "${RESPONSE}" =~ "eth0" ]] ; then
-    echo "Failed to parse response from guest: $RESPONSE" && exit 1
-  fi
-
-  rest=${RESPONSE#*eth0}
-  rest=${rest#*ip}
-  rest=${rest#*:}
-  rest=${rest#*\"}
-  IP=${rest%%\"*}
-
-  [ -z "${IP}" ] && echo "Guest has not received an IP yet.." && exit 1
-
-  echo "${IP}:${PORT}" > $file
+  echo "${ip}:${port}" > $file
 
 fi
 
-LOCATION=$(cat "$file")
+location=$(cat "$file")
 
-if ! curl -m 20 -ILfSs "http://${LOCATION}/" > /dev/null; then
+if ! curl -m 20 -ILfSs "http://${location}/" > /dev/null; then
   rm -f $file
-  echo "Failed to reach http://${LOCATION}"
+  echo "Failed to reach http://${location}"
   exit 1
 fi
 
-if [[ "$LOCATION" == "20.20"* ]]; then
-  echo "Healthcheck OK"
-else
-  echo "Healthcheck OK ( ${LOCATION%:*} )"
-fi
-
+echo "Healthcheck OK"
 exit 0

src/disk.sh

@@ -24,12 +24,11 @@ DISK_OPTS="\
 
 addDisk () {
 
+  local FS
   local GB
   local DIR
   local REQ
-  local SIZE
   local SPACE
-  local MIN_SIZE
   local CUR_SIZE
   local DATA_SIZE
   local DISK_ID=$1
@@ -41,13 +40,18 @@ addDisk () {
 
   DIR=$(dirname "${DISK_FILE}")
   [ ! -d "${DIR}" ] && return 0
+  
+  FS=$(stat -f -c %T "$DIR")
+
+  if [[ "$FS" == "overlay"* ]]; then
+    info "Warning: the filesystem of ${DIR} is OverlayFS, this usually means it was binded to an invalid path!"
+  fi
 
   [ -z "$DISK_SPACE" ] && DISK_SPACE="16G"
   DISK_SPACE=$(echo "${DISK_SPACE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
   DATA_SIZE=$(numfmt --from=iec "${DISK_SPACE}")
 
-  MIN_SIZE=6442450944
-  if (( DATA_SIZE < MIN_SIZE )); then
+  if (( DATA_SIZE < 6442450944 )); then
     error "Please increase ${DISK_DESC^^}_SIZE to at least 6 GB." && exit 83
   fi
 
@@ -73,16 +77,17 @@ addDisk () {
 
         # Check free diskspace
         SPACE=$(df --output=avail -B 1 "${DIR}" | tail -n 1)
+        SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
 
         if (( REQ > SPACE )); then
-          error "Not enough free space to resize ${DISK_DESC} to ${DISK_SPACE} .."
-          error "Specify a smaller size or disable preallocation with ALLOCATE=N." && exit 84
+          error "Not enough free space to resize ${DISK_DESC} to ${DISK_SPACE} in ${DIR}, it has only ${SPACE_GB} GB available.."
+          error "Specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation with ALLOCATE=N." && exit 84
         fi
 
         # Resize file by allocating more space
         if ! fallocate -l "${DISK_SPACE}" "${DISK_FILE}"; then
           if ! truncate -s "${DISK_SPACE}" "${DISK_FILE}"; then
-            error "Could not resize ${DISK_DESC} file (${DISK_FILE}) to ${DISK_SPACE} .." && exit 85
+            error "Could not resize ${DISK_DESC} file (${DISK_FILE}) to ${DISK_SPACE}" && exit 85
           fi
         fi
 
@@ -97,41 +102,29 @@ addDisk () {
       # Create an empty file
       if ! truncate -s "${DISK_SPACE}" "${DISK_FILE}"; then
         rm -f "${DISK_FILE}"
-        error "Could not create a file for ${DISK_DESC} (${DISK_FILE})" && exit 87
+        error "Could not create a ${DISK_SPACE} file for ${DISK_DESC} (${DISK_FILE})" && exit 87
       fi
 
     else
 
       # Check free diskspace
       SPACE=$(df --output=avail -B 1 "${DIR}" | tail -n 1)
+      SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
 
       if (( DATA_SIZE > SPACE )); then
-        error "Not enough free space to create ${DISK_DESC} of ${DISK_SPACE} .."
-        error "Specify a smaller size or disable preallocation with ALLOCATE=N." && exit 86
+        error "Not enough free space to create ${DISK_DESC} of ${DISK_SPACE} in ${DIR}, it has only ${SPACE_GB} GB available.."
+        error "Specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation with ALLOCATE=N." && exit 86
       fi
 
       # Create an empty file
       if ! fallocate -l "${DISK_SPACE}" "${DISK_FILE}"; then
         if ! truncate -s "${DISK_SPACE}" "${DISK_FILE}"; then
           rm -f "${DISK_FILE}"
-          error "Could not create a file for ${DISK_DESC} (${DISK_FILE}) of ${DISK_SPACE} .." && exit 87
+          error "Could not create a ${DISK_SPACE} file for ${DISK_DESC} (${DISK_FILE})" && exit 87
         fi
       fi
 
     fi
-
-    # Check if file exists
-    if [ ! -f "${DISK_FILE}" ]; then
-      error "File for ${DISK_DESC} ($DISK_FILE) does not exist!" && exit 88
-    fi
-
-  fi
-
-  # Check the filesize
-  SIZE=$(stat -c%s "${DISK_FILE}")
-
-  if [[ SIZE -ne DATA_SIZE ]]; then
-    error "File for ${DISK_DESC} (${DISK_FILE}) has the wrong size: ${SIZE} bytes" && exit 89
   fi
 
   DISK_OPTS="${DISK_OPTS} \

src/entry.sh

@@ -1,22 +1,27 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
-echo "❯ Starting Virtual DSM for Docker v${VERSION}..."
+echo "❯ Starting Virtual DSM for Docker v$(</run/version)..."
 echo "❯ For support visit https://github.com/vdsm/virtual-dsm/"
 
 cd /run
 
-. reset.sh   # Initialize system
-. install.sh   # Run installation
-. disk.sh     # Initialize disks
-. network.sh  # Initialize network
-. gpu.sh     # Initialize graphics
-. serial.sh   # Initialize serialport
-. power.sh    # Configure shutdown
-. config.sh    # Configure arguments
+. reset.sh      # Initialize system
+. install.sh    # Run installation
+. disk.sh       # Initialize disks
+. network.sh    # Initialize network
+. gpu.sh        # Initialize graphics
+. serial.sh     # Initialize serialport
+. power.sh      # Configure shutdown
+. config.sh     # Configure arguments
 
 trap - ERR
 
+if [[ "${CONSOLE}" == [Yy]* ]]; then
+  exec qemu-system-x86_64 -pidfile "${QEMU_PID}" ${ARGS:+ $ARGS}
+  exit $?
+fi
+
 set -m
 (
   [[ "${DEBUG}" == [Yy1]* ]] && info "$VERS" && set -x

src/gpu.sh

@@ -18,28 +18,7 @@ fi
 chmod 666 /dev/dri/card0
 chmod 666 /dev/dri/renderD128
 
-if ! apt-mark showinstall | grep -q "xserver-xorg-video-intel"; then
-
-  info "Installing Intel GPU drivers..."
-
-  export DEBCONF_NOWARNINGS="yes"
-  export DEBIAN_FRONTEND="noninteractive"
-
-  apt-get -qq update
-  apt-get -qq --no-install-recommends -y install xserver-xorg-video-intel > /dev/null
-
-fi
-
-if ! apt-mark showinstall | grep -q "qemu-system-modules-opengl"; then
-
-  info "Installing OpenGL module..."
-
-  export DEBCONF_NOWARNINGS="yes"
-  export DEBIAN_FRONTEND="noninteractive"
-
-  apt-get -qq update
-  apt-get -qq --no-install-recommends -y install qemu-system-modules-opengl > /dev/null
-
-fi
+addPackage "xserver-xorg-video-intel" "Intel GPU drivers"
+addPackage "qemu-system-modules-opengl" "OpenGL module"
 
 return 0

src/install.sh

@@ -1,6 +1,9 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+: ${URL:=''}    # URL of the PAT file to be downloaded.
+: ${DEV:='Y'}   # Controls whether device nodes are created.
+
 if [ -f "$STORAGE"/dsm.ver ]; then
   BASE=$(cat "${STORAGE}/dsm.ver")
 else
@@ -8,28 +11,33 @@ else
   BASE="DSM_VirtualDSM_42962"
 fi
 
-: ${URL:=''}
 [ -n "$URL" ] && BASE=$(basename "$URL" .pat)
 
 if [[ -f "$STORAGE/$BASE.boot.img" ]] && [[ -f "$STORAGE/$BASE.system.img" ]]; then
-  # Previous installation found
-  return 0
+  return 0  # Previous installation found
 fi
 
 # Display wait message
 /run/server.sh 5000 install &
 
-# Download the required files from the Synology website
-DL="https://global.synologydownload.com/download/DSM"
+DL=""
+DL_CHINA="https://cndl.synology.cn/download/DSM"
+DL_GLOBAL="https://global.synologydownload.com/download/DSM"
+
+[[ "${URL,,}" == *"cndl.synology"* ]] && DL="$DL_CHINA"
+[[ "${URL,,}" == *"global.synology"* ]] && DL="$DL_GLOBAL"
+
+if [ -z "$DL" ]; then
+  [ -z "$COUNTRY" ] && setCountry
+  [[ "${COUNTRY^^}" == "CN" ]] && DL="$DL_CHINA" || DL="$DL_GLOBAL"
+fi
 
 if [ -z "$URL" ]; then
-
   if [ "$ARCH" == "amd64" ]; then
     URL="$DL/release/7.2.1/69057-1/DSM_VirtualDSM_69057.pat"
   else
     URL="$DL/release/7.0.1/42218/DSM_VirtualDSM_42218.pat"
   fi
-
 fi
 
 # Check if output is to interactive TTY
@@ -41,32 +49,54 @@ fi
 
 BASE=$(basename "$URL" .pat)
 
-rm -f "$STORAGE"/"$BASE".pat
+if [[ "$URL" != "file://${STORAGE}/${BASE}.pat" ]]; then
+  rm -f "$STORAGE"/"$BASE".pat
+fi
+
 rm -f "$STORAGE"/"$BASE".agent
 rm -f "$STORAGE"/"$BASE".boot.img
 rm -f "$STORAGE"/"$BASE".system.img
 
+[[ "${DEBUG}" == [Yy1]* ]] && set -x
+
+# Check filesystem
+MIN_ROOT=471859200
 MIN_SPACE=6442450944
 FS=$(stat -f -c %T "$STORAGE")
 
+if [[ "$FS" == "overlay"* ]]; then
+  info "Warning: the filesystem of ${STORAGE} is OverlayFS, this usually means it was binded to an invalid path!"
+fi
+
 if [[ "$FS" != "fat"* && "$FS" != "vfat"* && "$FS" != "exfat"* && \
         "$FS" != "ntfs"* && "$FS" != "fuse"* && "$FS" != "msdos"* ]]; then
   TMP="$STORAGE/tmp"
 else
   TMP="/tmp/dsm"
   SPACE=$(df --output=avail -B 1 /tmp | tail -n 1)
-  (( MIN_SPACE > SPACE )) && TMP="$STORAGE/tmp"
+  if (( MIN_SPACE > SPACE )); then
+    TMP="$STORAGE/tmp"
+    info "Warning: the ${FS} filesystem of ${STORAGE} does not support UNIX permissions.."
+  fi
 fi
 
-rm -rf /tmp/dsm
-rm -rf "$STORAGE/tmp"
 rm -rf "$TMP" && mkdir -p "$TMP"
 
 # Check free diskspace
-SPACE=$(df --output=avail -B 1 "$TMP" | tail -n 1)
-(( MIN_SPACE > SPACE )) && error "Not enough free space for installation, need at least 6 GB." && exit 95
+SPACE=$(df --output=avail -B 1 / | tail -n 1)
+(( MIN_ROOT > SPACE )) && error "Not enough free space in container root, need at least 450 MB available." && exit 96
 
-[[ "${DEBUG}" == [Yy1]* ]] && set -x
+SPACE=$(df --output=avail -B 1 "$TMP" | tail -n 1)
+SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
+(( MIN_SPACE > SPACE )) && error "Not enough free space for installation in ${STORAGE}, have ${SPACE_GB} GB available but need at least 6 GB." && exit 95
+
+if [[ "$TMP" != "$STORAGE/tmp" ]]; then
+  SPACE=$(df --output=avail -B 1 "$STORAGE" | tail -n 1)
+  SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
+  (( 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
+fi
+
+# Download the required files from the Synology website
 
 RDC="$STORAGE/dsm.rd"
 
@@ -107,8 +137,14 @@ if [ -f "${RDC}" ]; then
   { xz -dc <"$RDC" >"$TMP/rd" 2>/dev/null; rc=$?; } || :
   (( rc != 1 )) && error "Failed to unxz $RDC, reason $rc" && exit 91
 
-  { (cd "$TMP" && cpio -idm <"$TMP/rd" 2>/dev/null); rc=$?; } || :
-  (( rc != 0 )) && error "Failed to cpio $RDC, reason $rc" && exit 92
+  if [[ "${DEV}" == [Nn]* ]]; then
+    # Exclude dev/ from cpio extract
+    { (cd "$TMP" && cpio -it < "$TMP/rd" | grep -Ev 'dev/' | while read -r entry; do cpio -idm "$entry" < "$TMP/rd" 2>/dev/null; done); rc=$?; } || :
+  else
+    { (cd "$TMP" && cpio -idm <"$TMP/rd" 2>/dev/null); rc=$?; } || :
+  fi
+
+  (( rc != 0 )) && error "Failed to extract $RDC, reason $rc" && exit 92
 
   mkdir -p /run/extract
   for file in $TMP/usr/lib/libcurl.so.4 \
@@ -141,9 +177,17 @@ info "Install: Downloading $(basename "$URL")..."
 PAT="/$BASE.pat"
 rm -f "$PAT"
 
-{ wget "$URL" -O "$PAT" -q --no-check-certificate --show-progress "$PROGRESS"; rc=$?; } || :
+if [[ "$URL" == "file://"* ]]; then
+
+  cp "${URL:7}" "$PAT"
+
+else
+
+  { wget "$URL" -O "$PAT" -q --no-check-certificate --show-progress "$PROGRESS"; rc=$?; } || :
+  (( rc != 0 )) && error "Failed to download $URL, reason: $rc" && exit 69
+
+fi
 
-(( rc != 0 )) && error "Failed to download $URL, reason: $rc" && exit 69
 [ ! -f "$PAT" ] && error "Failed to download $URL" && exit 69
 
 SIZE=$(stat -c%s "$PAT")
@@ -159,17 +203,7 @@ if { tar tf "$PAT"; } >/dev/null 2>&1; then
 
 else
 
-  if [ "$ARCH" != "amd64" ]; then
-
-    info "Install: Installing QEMU..."
-
-    export DEBCONF_NOWARNINGS="yes"
-    export DEBIAN_FRONTEND="noninteractive"
-
-    apt-get -qq update
-    apt-get -qq --no-install-recommends -y install qemu-user > /dev/null
-
-  fi
+  [ "$ARCH" != "amd64" ] && addPackage "qemu-user" "QEMU"
 
   info "Install: Extracting downloaded image..."
 
@@ -205,7 +239,8 @@ SYSTEM_SIZE=4954537983
 
 # Check free diskspace
 SPACE=$(df --output=avail -B 1 "$TMP" | tail -n 1)
-(( SYSTEM_SIZE > SPACE )) && error "Not enough free space to create a 4 GB system disk." && exit 87
+SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
+(( SYSTEM_SIZE > SPACE )) && error "Not enough free space to create a 4 GB system disk, have only ${SPACE_GB} GB available." && exit 87
 
 if ! fallocate -l "${SYSTEM_SIZE}" "${SYSTEM}"; then
   if ! truncate -s "${SYSTEM_SIZE}" "${SYSTEM}"; then
@@ -240,7 +275,13 @@ MOUNT="$TMP/system"
 rm -rf "$MOUNT" && mkdir -p "$MOUNT"
 
 mv "$HDA.tgz" "$HDA.txz"
-tar xpfJ "$HDA.txz" --absolute-names -C "$MOUNT/"
+
+if [[ "${DEV}" == [Nn]* ]]; then
+  # Exclude dev/ from tar extract
+  tar xpfJ "$HDA.txz" --absolute-names --exclude="dev" -C "$MOUNT/"
+else
+  tar xpfJ "$HDA.txz" --absolute-names -C "$MOUNT/"
+fi
 
 [ -d "$PKG" ] && mv "$PKG/" "$MOUNT/.SynoUpgradePackages/"
 rm -f "$MOUNT/.SynoUpgradePackages/ActiveInsight-"*
@@ -260,13 +301,12 @@ rm -rf "$MOUNT"
 
 echo "$BASE" > "$STORAGE"/dsm.ver
 
-if [[ "$TMP" != "$STORAGE/tmp" ]]; then
-  # Check free diskspace
-  SPACE=$(df --output=avail -B 1 "$STORAGE" | tail -n 1)
-  (( MIN_SPACE > SPACE )) && error "Not enough free space in storage folder, need at least 6 GB." && exit 94
+if [[ "$URL" == "file://${STORAGE}/${BASE}.pat" ]]; then
+  rm -f "$PAT"
+else
+  mv -f "$PAT" "$STORAGE"/"$BASE".pat
 fi
 
-mv -f "$PAT" "$STORAGE"/"$BASE".pat
 mv -f "$BOOT" "$STORAGE"/"$BASE".boot.img
 mv -f "$SYSTEM" "$STORAGE"/"$BASE".system.img
 

src/network.sh

@@ -11,7 +11,6 @@ set -Eeuo pipefail
 : ${VM_NET_MAC:="$MAC"}
 : ${VM_NET_HOST:='VirtualDSM'}
 
-: ${DNS_SERVERS:=''}
 : ${DNSMASQ_OPTS:=''}
 : ${DNSMASQ:='/usr/sbin/dnsmasq'}
 : ${DNSMASQ_CONF_DIR:='/etc/dnsmasq.d'}
@@ -78,33 +77,8 @@ configureDNS () {
   echo "0 $VM_NET_MAC $VM_NET_IP $VM_NET_HOST 01:${VM_NET_MAC}" > /var/lib/misc/dnsmasq.leases
   chmod 644 /var/lib/misc/dnsmasq.leases
 
-  # Build DNS options from container /etc/resolv.conf
-
-  if [[ "${DEBUG}" == [Yy1]* ]]; then
-    echo "/etc/resolv.conf:" && echo && cat /etc/resolv.conf && echo
-  fi
-
-  mapfile -t nameservers < <( { grep '^nameserver' /etc/resolv.conf || true; } | sed 's/\t/ /g' | sed 's/nameserver //' | sed 's/ //g')
-  searchdomains=$( { grep '^search' /etc/resolv.conf || true; } | sed 's/\t/ /g' | sed 's/search //' | sed 's/#.*//' | sed 's/\s*$//g' | sed 's/ /,/g')
-  domainname=$(echo "$searchdomains" | awk -F"," '{print $1}')
-
-  for nameserver in "${nameservers[@]}"; do
-    nameserver=$(echo "$nameserver" | sed 's/#.*//' )
-    if ! [[ "$nameserver" =~ .*:.* ]]; then
-      [[ -z "$DNS_SERVERS" ]] && DNS_SERVERS="$nameserver" || DNS_SERVERS="$DNS_SERVERS,$nameserver"
-    fi
-  done
-
-  [[ -z "$DNS_SERVERS" ]] && DNS_SERVERS="1.1.1.1"
-
-  DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:dns-server,$DNS_SERVERS --dhcp-option=option:router,${VM_NET_IP%.*}.1"
-
-  if [ -n "$searchdomains" ] && [ "$searchdomains" != "." ]; then
-    DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:domain-search,$searchdomains --dhcp-option=option:domain-name,$domainname"
-  else
-    [[ -z $(hostname -d) ]] || DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:domain-name,$(hostname -d)"
-  fi
-
+  # Set DNS server and gateway
+  DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:dns-server,${VM_NET_IP%.*}.1 --dhcp-option=option:router,${VM_NET_IP%.*}.1"
   DNSMASQ_OPTS=$(echo "$DNSMASQ_OPTS" | sed 's/\t/ /g' | tr -s ' ' | sed 's/^ *//')
 
   [[ "${DEBUG}" == [Yy1]* ]] && set -x
@@ -147,8 +121,6 @@ configureNAT () {
   ip link set dev "${VM_NET_TAP}" master dockerbridge
 
   # Add internet connection to the VM
-  IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
-
   iptables -t nat -A POSTROUTING -o "${VM_NET_DEV}" -j MASQUERADE
   iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -d "${IP}" -p tcp  -j DNAT --to $VM_NET_IP
   iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -d "${IP}" -p udp  -j DNAT --to $VM_NET_IP
@@ -223,12 +195,10 @@ update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null
 
 VM_NET_MAC="${VM_NET_MAC//-/:}"
 GATEWAY=$(ip r | grep default | awk '{print $3}')
+IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
 
 if [[ "${DEBUG}" == [Yy1]* ]]; then
-
-  IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
   info "Container IP is ${IP} with gateway ${GATEWAY}" && echo
-
 fi
 
 if [[ "${DHCP}" == [Yy1]* ]]; then

src/power.sh

@@ -5,7 +5,6 @@ set -Eeuo pipefail
 
 QEMU_PORT=7100
 QEMU_TIMEOUT=50
-
 QEMU_PID=/run/qemu.pid
 QEMU_COUNT=/run/qemu.count
 
@@ -26,18 +25,18 @@ _graceful_shutdown() {
   [ ! -f "${QEMU_PID}" ] && exit 130
   [ -f "${QEMU_COUNT}" ] && return
 
-  echo && info "Received $1 signal, shutting down..."
   echo 0 > "${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
-  RESPONSE=$(curl -s -m 5 -S http://127.0.0.1:2210/read?command=6 2>&1)
+  RESPONSE=$(curl -s -m 30 -S http://127.0.0.1:2210/read?command=6 2>&1)
 
-  if [[ ! "${RESPONSE}" =~ "\"success\"" ]] ; then
+  if [[ ! "${RESPONSE}" =~ "\"success\"" ]]; then
 
-    echo && error "Could not send shutdown command to the guest ($RESPONSE)"
+    echo && error "Failed to send shutdown command ( ${RESPONSE} )."
 
     kill -15 "$(cat "${QEMU_PID}")"
     pkill -f qemu-system-x86_64 || true

src/print.sh

@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
-info () { echo -e >&2 "\E[1;34m❯\E[1;36m $1\E[0m" ; }
-error () { echo -e >&2 "\E[1;31m❯ ERROR: $1\E[0m" ; }
+info () { printf "%b%s%b" "\E[1;34m❯ \E[1;36m" "$1" "\E[0m\n" >&2; }
+error () { printf "%b%s%b" "\E[1;31m❯ " "ERROR: $1" "\E[0m\n" >&2; }
 
 file="/run/dsm.url"
 
@@ -14,53 +14,53 @@ do
 
   # Retrieve IP from guest VM
 
-  set +e
-  RESPONSE=$(curl -s -m 16 -S http://127.0.0.1:2210/read?command=10 2>&1)
-  set -e
+  { json=$(curl -m 30 -sk http://127.0.0.1:2210/read?command=10); rc=$?; } || :
+  (( rc != 0 )) && error "Failed to connect to guest: curl error $rc" && continue
 
-  if [[ ! "${RESPONSE}" =~ "\"success\"" ]] ; then
-    error "Failed to connect to guest: $RESPONSE" && continue
+  { result=$(echo "$json" | jq -r '.status'); rc=$?; } || :
+  (( rc != 0 )) && error "Failed to parse response from guest: jq error $rc ( $json )" && continue
+  [[ "$result" == "null" ]] && error "Guest returned invalid response: $json" && continue
+
+  if [[ "$result" != "success" ]] ; then
+    { msg=$(echo "$json" | jq -r '.message'); rc=$?; } || :
+    error "Guest replied ${result}: $msg" && continue
   fi
 
-  # Retrieve the HTTP port number
-  if [[ ! "${RESPONSE}" =~ "\"http_port\"" ]] ; then
-    error "Failed to parse response from guest: $RESPONSE" && continue
-  fi
+  { port=$(echo "$json" | jq -r '.data.data.dsm_setting.data.http_port'); rc=$?; } || :
+  (( rc != 0 )) && error "Failed to parse response from guest: jq error $rc ( $json )" && continue
+  [[ "$port" == "null" ]] && error "Guest returned invalid response: $json" && continue
+  [ -z "${port}" ] && continue
 
-  rest=${RESPONSE#*http_port}
-  rest=${rest#*:}
-  rest=${rest%%,*}
-  PORT=${rest%%\"*}
+  { ip=$(echo "$json" | jq -r '.data.data.ip.data[] | select((.name=="eth0") and has("ip")).ip'); rc=$?; } || :
+  (( rc != 0 )) && error "Failed to parse response from guest: jq error $rc ( $json )" && continue
+  [[ "$ip" == "null" ]] && error "Guest returned invalid response: $json" && continue
+  [ -z "${ip}" ] && continue
 
-  [ -z "${PORT}" ] && continue
-
-  # Retrieve the IP address
-  if [[ ! "${RESPONSE}" =~ "eth0" ]] ; then
-    error "Failed to parse response from guest: $RESPONSE" && continue
-  fi
-
-  rest=${RESPONSE#*eth0}
-  rest=${rest#*ip}
-  rest=${rest#*:}
-  rest=${rest#*\"}
-  IP=${rest%%\"*}
-
-  [ -z "${IP}" ] && continue
-
-  echo "${IP}:${PORT}" > $file
+  echo "${ip}:${port}" > $file
 
 done
 
-LOCATION=$(cat "$file")
+location=$(cat "$file")
+
+if [[ "$location" != "20.20"* ]]; then
+
+  msg="http://${location}"
 
-if [[ "$LOCATION" == "20.20"* ]]; then
-  MSG="port ${LOCATION##*:}"
 else
-  MSG="http://${LOCATION}"
+
+  ip=$(ip address show dev eth0 | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
+  port="${location##*:}"
+
+  if [[ "$ip" == "172."* ]]; then
+    msg="port ${port}"
+  else
+    msg="http://${ip}:${port}"
+  fi
+
 fi
 
 echo "" >&2
 info "--------------------------------------------------------"
-info " You can now login to DSM at ${MSG}"
+info " You can now login to DSM at ${msg}"
 info "--------------------------------------------------------"
 echo "" >&2

src/reset.sh

@@ -1,8 +1,9 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
-info () { echo -e "\E[1;34m❯ \E[1;36m$1\E[0m" ; }
-error () { echo -e >&2 "\E[1;31m❯ ERROR: $1\E[0m" ; }
+info () { printf "%b%s%b" "\E[1;34m❯ \E[1;36m" "$1" "\E[0m\n"; }
+error () { printf "%b%s%b" "\E[1;31m❯ " "ERROR: $1" "\E[0m\n" >&2; }
+
 trap 'error "Status $? while: ${BASH_COMMAND} (line $LINENO/$BASH_LINENO)"' ERR
 
 [ ! -f "/run/entry.sh" ] && error "Script must run inside Docker container!" && exit 11
@@ -12,11 +13,13 @@ trap 'error "Status $? while: ${BASH_COMMAND} (line $LINENO/$BASH_LINENO)"' ERR
 
 : ${GPU:='N'}           # Enable GPU passthrough
 : ${DEBUG:='N'}         # Enable debugging mode
+: ${COUNTRY:=''}        # Country code for mirror
+: ${CONSOLE:='N'}       # Start in console mode
 : ${ALLOCATE:='Y'}      # Preallocate diskspace
 : ${ARGUMENTS:=''}      # Extra QEMU parameters
 : ${CPU_CORES:='1'}     # Amount of CPU cores
+: ${RAM_SIZE:='1G'}     # Maximum RAM amount
 : ${DISK_SIZE:='16G'}   # Initial data disk size
-: ${RAM_SIZE:='512M'}   # Maximum RAM amount
 
 # Helper variables
 
@@ -25,15 +28,80 @@ MINOR=$(uname -r | cut -d '.' -f2)
 ARCH=$(dpkg --print-architecture)
 VERS=$(qemu-system-x86_64 --version | head -n 1 | cut -d '(' -f 1)
 
+# Check folder
+
+STORAGE="/storage"
+[ ! -d "$STORAGE" ] && error "Storage folder (${STORAGE}) not found!" && exit 13
+
 # Cleanup files
 
 rm -f /run/dsm.url
 rm -f /run/qemu.pid
 rm -f /run/qemu.count
 
-# Check folder
+# Cleanup dirs
 
-STORAGE="/storage"
-[ ! -d "$STORAGE" ] && error "Storage folder (${STORAGE}) not found!" && exit 13
+rm -rf /tmp/dsm
+rm -rf "$STORAGE/tmp"
+
+# Helper functions
+
+getCountry () {
+
+  local rc
+  local json
+  local result
+  local url=$1
+  local query=$2
+
+  { json=$(curl -m 5 -H "Accept: application/json" -sfk "$url"); rc=$?; } || :
+  (( rc != 0 )) && return 0
+
+  { result=$(echo "$json" | jq -r "$query" 2> /dev/null); rc=$?; } || :
+  (( rc != 0 )) && return 0
+
+  [[ ${#result} -ne 2 ]] && return 0
+  [[ "${result^^}" == "XX" ]] && return 0
+
+  COUNTRY="${result^^}"
+
+  return 0
+}
+
+setCountry () {
+
+  [ -z "$COUNTRY" ] && getCountry "https://api.ipapi.is" ".location.country_code"
+  [ -z "$COUNTRY" ] && getCountry "https://ifconfig.co/json" ".country_iso"
+  [ -z "$COUNTRY" ] && getCountry "https://ipinfo.io/json" ".country"
+  [ -z "$COUNTRY" ] && getCountry "https://api.myip.com" ".cc"
+
+  return 0
+}
+
+addPackage () {
+
+  local pkg=$1
+  local desc=$2
+
+  if apt-mark showinstall | grep -qx "$pkg"; then
+    return 0
+  fi
+
+  info "Installing $desc..."
+
+  export DEBCONF_NOWARNINGS="yes"
+  export DEBIAN_FRONTEND="noninteractive"
+
+  [ -z "$COUNTRY" ] && setCountry
+
+  if [[ "${COUNTRY^^}" == "CN" ]]; then
+    sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources
+  fi
+
+  apt-get -qq update
+  apt-get -qq --no-install-recommends -y install "$pkg" > /dev/null
+
+  return 0
+}
 
 return 0

src/serial.sh

@@ -45,18 +45,18 @@ fi
 cnt=0
 sleep 0.2
 
-while ! nc -z -w1 127.0.0.1 2210 > /dev/null 2>&1; do
+while ! nc -z -w2 127.0.0.1 2210 > /dev/null 2>&1; do
   sleep 0.1
   cnt=$((cnt + 1))
-  (( cnt > 20 )) && error "Failed to connect to qemu-host.." && exit 58
+  (( cnt > 50 )) && error "Failed to connect to qemu-host.." && exit 58
 done
 
 cnt=0
 
-while ! nc -z -w1 127.0.0.1 12345 > /dev/null 2>&1; do
+while ! nc -z -w2 127.0.0.1 12345 > /dev/null 2>&1; do
   sleep 0.1
   cnt=$((cnt + 1))
-  (( cnt > 20 )) && error "Failed to connect to qemu-host.." && exit 59
+  (( cnt > 50 )) && error "Failed to connect to qemu-host.." && exit 59
 done
 
 # Configure serial ports