fix: DNS resolution

* feat: Print available diskspace

.github/workflows/build.yml

@@ -12,7 +12,10 @@ on:
       - '.dockerignore'
       - '.github/**'
       - '.github/workflows/**'
-      - 'Dockerfile'
+
+concurrency:
+  group: build
+  cancel-in-progress: false
 
 jobs:
   shellcheck:
@@ -23,101 +26,69 @@ 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@v2
       -
         name: Checkout
-        uses: actions/checkout@v3
+        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 }}:${VERSION}")
-          TAGS+=("ghcr.io/${{ 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@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       -
         name: Login to GitHub Container Registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           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 ${HOME}/.docker/config.json
-      -
-        name: Get previous tag
-        id: previousTag
-        run: |
-          name=$(git --no-pager tag --sort=creatordate --merged ${{ github.ref_name }} | tail -1)
-          echo "previousTag: $name"
-          echo "previousTag=$name" >> $GITHUB_ENV
-      -
-        name: Generate changelog
-        id: changelog
-        uses: requarks/changelog-action@v1
+        uses: docker/build-push-action@v5
         with:
-          token: ${{ github.token }}
-          fromTag: ${{ github.ref_name }}
-          toTag: ${{ env.previousTag }}
-          writeToFile: false
-          reverseOrder: true
-          includeInvalidCommits: true
-          excludeTypes: "docs,build,chore"
+          context: .
+          push: true
+          provenance: false
+          platforms: linux/amd64,linux/arm64
+          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 }}"
-          body: |
-            ${{ steps.changelog.outputs.changes }}
-
-            **Full Changelog**: https://github.com/${{ github.repository }}/compare//${{ env.previousTag }}...v${{ 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

.github/workflows/check.yml

@@ -7,8 +7,8 @@ jobs:
     name: shellcheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run ShellCheck
         uses: ludeeus/action-shellcheck@master
 env:
-        SHELLCHECK_OPTS: -x -e SC2001 -e SC2002 -e SC2223 -e SC2034 -e SC2064 -e SC2317 -e SC2028
+        SHELLCHECK_OPTS: -x --source-path=src -e SC2001 -e SC2002 -e SC2223 -e SC2034 -e SC2064 -e SC2317 -e SC2028 -e SC2153 -e SC2004 

.github/workflows/hub.yml

@@ -12,13 +12,13 @@ jobs:
   dockerHubDescription:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - 
       name: Docker Hub Description
       uses: peter-evans/dockerhub-description@v3
       with:
         username: ${{ secrets.DOCKERHUB_USERNAME }}
         password: ${{ secrets.DOCKERHUB_TOKEN }}
-        repository: ${{ github.repository }}
+        repository: ${{ secrets.DOCKERHUB_REPO }}
         short-description: ${{ github.event.repository.description }}
         readme-filepath: ./readme.md

Dockerfile

@@ -1,4 +1,4 @@
-FROM ghcr.io/qemu-tools/qemu-host as builder
+FROM qemux/qemu-host as builder
 
 #  FROM golang as builder
 #  WORKDIR /
@@ -7,37 +7,34 @@ FROM ghcr.io/qemu-tools/qemu-host as builder
 #  RUN go mod download
 #  RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o /qemu-host.bin .
 
-FROM debian:bookworm-slim
+FROM debian:trixie-slim
 
 ARG DEBCONF_NOWARNINGS="yes"
 ARG DEBIAN_FRONTEND noninteractive
 
 RUN apt-get update && apt-get -y upgrade && \
     apt-get --no-install-recommends -y install \
-	curl \
-	cpio \
-	wget \
-	fdisk \
-	unzip \
-	socat \	
-	procps \
-	dnsmasq \
-	xz-utils \
-	iptables \
-	iproute2 \
-	net-tools \
-	btrfs-progs \
-	netcat-openbsd \
-	ca-certificates \
-	qemu-system-x86 \
+        tini \    
+        curl \
+        cpio \
+        wget \
+        fdisk \
+        unzip \
+        socat \
+        procps \
+        xz-utils \
+        iptables \
+        iproute2 \
+        dnsmasq \
+        net-tools \
+        ca-certificates \
+        netcat-openbsd \
+        qemu-system-x86 \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
-COPY run/*.sh /run/
-COPY agent/*.sh /agent/
-
+COPY ./src /run/
 COPY --from=builder /qemu-host.bin /run/host.bin
-
 RUN chmod +x /run/*.sh && chmod +x /run/*.bin
 
 VOLUME /storage
@@ -48,21 +45,13 @@ 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.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/kroese/virtual-dsm/
-LABEL org.opencontainers.image.url=https://hub.docker.com/r/kroese/virtual-dsm/
+HEALTHCHECK --interval=60s --start-period=45s --retries=2 CMD /run/check.sh
 
-HEALTHCHECK --interval=60s --retries=2 CMD /run/check.sh
-
-ENTRYPOINT ["/run/run.sh"]
+ENTRYPOINT ["/usr/bin/tini", "-s", "/run/entry.sh"]

agent/agent.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -u
 
-VERSION="7"
+VERSION="9"
 HEADER="VirtualDSM Agent"
 
 # Functions
@@ -38,15 +38,19 @@ function downloadUpdate {
 
   # Auto update the agent
 
-  URL="https://raw.githubusercontent.com/kroese/virtual-dsm/master/agent/agent.sh"
+  URL="https://raw.githubusercontent.com/vdsm/virtual-dsm/master/agent/agent.sh"
   
   remote_size=$(curl -sIk -m 4 "${URL}" | grep -i "content-length:" | tr -d " \t" | cut -d ':' -f 2)
   remote_size=${remote_size//$'\r'}
 
   [[ "$remote_size" == "" || "$remote_size" == "0" ]] && return
 
+  remote_size=$(($remote_size+0))
+  ((remote_size<100)) && return
+
   SCRIPT=$(readlink -f "${BASH_SOURCE[0]}")
   local_size=$(stat -c%s "$SCRIPT")
+  local_size=$(($local_size+0))
 
   [[ remote_size -eq local_size ]] && return
 
@@ -100,6 +104,8 @@ function installPackages {
 trap finish SIGINT SIGTERM
 
 ts=$(date +%s%N)
+
+echo ""
 echo "❯ Started $HEADER v$VERSION..."
 
 checkNMI
@@ -124,29 +130,6 @@ else
 
 fi
 
-delay=5000
-elapsed=$((($(date +%s%N) - ts)/1000000))
-
-if [[ delay -gt elapsed ]]; then
-  difference=$((delay-elapsed))
-  float=$(echo | awk -v diff="${difference}" '{print diff * 0.001}')
-  sleep "$float"
-fi
-
-# Display message in docker log output
-
-IP=$(ip address show dev eth0 | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
-
-if [[ "$IP" == "20.20"* ]]; then
-  MSG="port 5000"
-else
-  MSG="http://${IP}:5000"
-fi
-
-info "--------------------------------------------------------"
-info " You can now login to DSM at ${MSG}"
-info "--------------------------------------------------------"
-
 # Wait for NMI interrupt as a shutdown signal
 
 while true; do

agent/service.sh

@@ -28,7 +28,7 @@ start() {
 
   if [ ! -f "$SCRIPT" ]; then
 
-    URL="https://raw.githubusercontent.com/kroese/virtual-dsm/master/agent/agent.sh"
+    URL="https://raw.githubusercontent.com/vdsm/virtual-dsm/master/agent/agent.sh"
 
     if ! curl -sfk -m 10 -o "${SCRIPT}" "${URL}"; then
       error 'Failed to download agent script.' > /dev/ttyS0

docker-compose.yml

@@ -2,14 +2,17 @@ version: "3"
 services:
     dsm:
         container_name: dsm
-        image: kroese/virtual-dsm:latest
+        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'
         cap_add:
             - NET_ADMIN        
         ports:

readme.md

@@ -1,6 +1,6 @@
 <h1 align="center">Virtual DSM for Docker<br />
 <div align="center">
-<img src="https://github.com/kroese/virtual-dsm/raw/master/.github/screen.jpg" title="Screenshot" style="max-width:100%;" width="432" />
+<img src="https://github.com/vdsm/virtual-dsm/raw/master/.github/screen.jpg" title="Screenshot" style="max-width:100%;" width="432" />
 </div>
 <div align="center">
 
@@ -10,13 +10,14 @@
 [![Pulls]][hub_url]
 
 </div></h1>
+
 Virtual DSM in a docker container.
 
 ## Features
 
- - Multi-platform
+ - Multiple disks
  - KVM acceleration
- - Graceful shutdown
+ - GPU passthrough
  - Upgrades supported
  
 ## Usage
@@ -26,28 +27,27 @@ Via `docker-compose.yml`
 ```yaml
 version: "3"
 services:
-    dsm:
-        container_name: dsm
-        image: kroese/virtual-dsm:latest
-        environment:
-            DISK_SIZE: "16G"
-        devices:
-            - /dev/kvm
-            - /dev/vhost-net
-        cap_add:
-            - NET_ADMIN                       
-        ports:
-            - 5000:5000
-        volumes:
-            - /opt/dsm:/storage
-        restart: on-failure
-        stop_grace_period: 1m
+  dsm:
+    container_name: dsm
+    image: vdsm/virtual-dsm:latest
+    environment:
+      DISK_SIZE: "16G"
+    devices:
+      - /dev/kvm
+    cap_add:
+      - NET_ADMIN
+    ports:
+      - 5000:5000
+    volumes:
+      - /opt/dsm:/storage
+    restart: on-failure
+    stop_grace_period: 1m
 ```
 
 Via `docker run`
 
 ```bash
-docker run -it --rm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-timeout 60 kroese/virtual-dsm:latest
+docker run -it --rm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-timeout 60 vdsm/virtual-dsm:latest
 ```
 
 ## FAQ
@@ -58,39 +58,54 @@ 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. 
+
   * ### How do I change the location of the virtual disk?
 
     To change the virtual disk's location from the default Docker volume, include the following bind mount in your compose file:
 
     ```yaml
     volumes:
-        - /home/user/data:/storage
+      - /home/user/data:/storage
     ```
 
     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:
 
     ```yaml
     environment:
-        ALLOCATE: "N"
+      ALLOCATE: "N"
     ```
 
     Keep in mind that this will not affect any of your existing disks, it only applies to newly created disks.
 
   * ### 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:
-        CPU_CORES: "4"
-        RAM_SIZE: "2048M"
+      RAM_SIZE: "4G"
+      CPU_CORES: "4"
     ```
 
   * ### How do I verify if my system supports KVM?
@@ -124,16 +139,16 @@ docker run -it --rm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-ti
 
     ```yaml
     services:
-        dsm:
-            container_name: dsm
-            ..<snip>..
-            networks:
-                vdsm:             
-                    ipv4_address: 192.168.0.100
+      dsm:
+        container_name: dsm
+        ..<snip>..
+        networks:
+          vdsm:
+            ipv4_address: 192.168.0.100
 
     networks:
-        vdsm:
-            external: true
+      vdsm:
+        external: true
     ```
    
     An added benefit of this approach is that you won't have to perform any port mapping anymore since all ports will be exposed by default.
@@ -148,45 +163,58 @@ docker run -it --rm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-ti
 
     ```yaml
     environment:
-        DHCP: "Y"
+      DHCP: "Y"
     devices:
-        - /dev/vhost-net
+      - /dev/vhost-net
     device_cgroup_rules:
-        - 'c 511:* rwm'
+      - 'c *:* rwm'
     ```
 
-    Please note that the exact `cgroup` rule number may vary depending on your system, but the log output will indicate the correct number in the event of an error.
+    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?
+  * ### How do I passthrough the GPU?
 
-    By default, version 7.2 will be installed, but if you prefer an older version, you can add its URL to your compose file as follows:
+    To passthrough your Intel GPU, add the following lines to your compose file:
 
     ```yaml
     environment:
-        URL: "https://global.synologydownload.com/download/DSM/release/7.1.1/42962-1/DSM_VirtualDSM_42962.pat"
+      GPU: "Y"
+    devices:
+      - /dev/dri
     ```
 
-    With this method, you are able to switch between different versions while keeping your file data.
+    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 provided, and Surveillance Station doesn't include any free licenses.
+    There are only two minor differences: the Virtual Machine Manager package is not available, and Surveillance Station will not include any free licenses.
     
   * ### Is this project legal?
 
     Yes, this project contains only open-source code and does not distribute any copyrighted material. Neither does it try to circumvent any copyright protection measures. So under all applicable laws, this project would be considered legal. 
     
-    However, by installing Synology's Virtual DSM, you must accept their end-user license agreement, which does not permit installation on non-Synology hardware. So only run this project on an official Synology NAS via the Container Manager package, as any other use will be a violation of their terms and conditions.
+    However, by installing Synology's Virtual DSM, you must accept their end-user license agreement, which does not permit installation on non-Synology hardware. So only run this project on an official Synology NAS, as any other use will be a violation of their terms and conditions.
 
 ## Disclaimer
 
 Only run this container on Synology hardware, any other use is not permitted by their EULA. The product names, logos, brands, and other trademarks referred to within this project are the property of their respective trademark holders. This project is not affiliated, sponsored, or endorsed by Synology, Inc.
 
-[build_url]: https://github.com/kroese/virtual-dsm/
-[hub_url]: https://hub.docker.com/r/kroese/virtual-dsm
-[tag_url]: https://hub.docker.com/r/kroese/virtual-dsm/tags
+[build_url]: https://github.com/vdsm/virtual-dsm/
+[hub_url]: https://hub.docker.com/r/vdsm/virtual-dsm
+[tag_url]: https://hub.docker.com/r/vdsm/virtual-dsm/tags
 
-[Build]: https://github.com/kroese/virtual-dsm/actions/workflows/build.yml/badge.svg
-[Size]: https://img.shields.io/docker/image-size/kroese/virtual-dsm/latest?color=066da5&label=size
+[Build]: https://github.com/vdsm/virtual-dsm/actions/workflows/build.yml/badge.svg
+[Size]: https://img.shields.io/docker/image-size/vdsm/virtual-dsm/latest?color=066da5&label=size
 [Pulls]: https://img.shields.io/docker/pulls/kroese/virtual-dsm.svg?style=flat&label=pulls&logo=docker
-[Version]: https://img.shields.io/docker/v/kroese/virtual-dsm?arch=amd64&sort=date&color=066da5
+[Version]: https://img.shields.io/docker/v/vdsm/virtual-dsm/latest?arch=amd64&sort=semver&color=066da5

run/check.sh

@@ -1,49 +0,0 @@
-#!/usr/bin/env bash
-set -u
-
-[ ! -f "/run/qemu.pid" ] && echo "QEMU not running yet.." && exit 0
-
-# 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: $RESPONSE" && exit 1
-fi
-
-# Retrieve the HTTP port number
-if [[ ! "${RESPONSE}" =~ "\"http_port\"" ]] ; then
-  echo "Failed to parse response from guest: $RESPONSE" && exit 1
-fi
-
-rest=${RESPONSE#*http_port}
-rest=${rest#*:}
-rest=${rest%%,*}
-PORT=${rest%%\"*}
-
-[ -z "${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 "${IP}" ] && echo "Guest has not received an IP yet.." && exit 1
-
-if ! curl -m 3 -ILfSs "http://${IP}:${PORT}/" > /dev/null; then
-  echo "Failed to reach ${IP}:${PORT}"
-  exit 1
-fi
-
-if [[ "$IP" == "20.20"* ]]; then
-  echo "Healthcheck OK"
-else
-  echo "Healthcheck OK ( $IP )"
-fi
-
-exit 0

run/disk.sh

@@ -1,146 +0,0 @@
-#!/usr/bin/env bash
-set -Eeuo pipefail
-
-# Docker environment variables
-
-: ${DISK_IO:='native'}    # I/O Mode, can be set to 'native', 'threads' or 'io_turing'
-: ${DISK_CACHE:='none'}   # Caching mode, can be set to 'writeback' for better performance
-: ${DISK_DISCARD:='on'}   # Controls whether unmap (TRIM) commands are passed to the host.
-: ${DISK_ROTATION:='1'}   # Rotation rate, set to 1 for SSD storage and increase for HDD
-
-BOOT="$STORAGE/$BASE.boot.img"
-SYSTEM="$STORAGE/$BASE.system.img"
-
-[ ! -f "$BOOT" ] && error "Virtual DSM boot-image does not exist ($BOOT)" && exit 81
-[ ! -f "$SYSTEM" ] && error "Virtual DSM system-image does not exist ($SYSTEM)" && exit 82
-
-DATA="${STORAGE}/data.img"
-
-if [[ ! -f "${DATA}" ]] && [[ -f "$STORAGE/data$DISK_SIZE.img" ]]; then
-  # Fallback for legacy installs
-  DATA="$STORAGE/data$DISK_SIZE.img"
-fi
-
-DISK_SIZE=$(echo "${DISK_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
-DATA_SIZE=$(numfmt --from=iec "${DISK_SIZE}")
-
-if (( DATA_SIZE < 6442450944 )); then
-  error "Please increase DISK_SIZE to at least 6 GB." && exit 83
-fi
-
-if [ -f "${DATA}" ]; then
-
-  OLD_SIZE=$(stat -c%s "${DATA}")
-
-  if [ "$DATA_SIZE" -gt "$OLD_SIZE" ]; then
-
-    info "Resizing data disk from $OLD_SIZE to $DATA_SIZE bytes.."
-
-    if [[ "${ALLOCATE}" == [Nn]* ]]; then
-
-      # Resize file by changing its length
-      truncate -s "${DATA_SIZE}" "${DATA}"; 
-
-    else
-
-      REQ=$((DATA_SIZE-OLD_SIZE))
-
-      # Check free diskspace    
-      SPACE=$(df --output=avail -B 1 "${STORAGE}" | tail -n 1)
-
-      if (( REQ > SPACE )); then
-        error "Not enough free space to resize virtual disk to ${DISK_SIZE}."
-        error "Specify a smaller size or disable preallocation with ALLOCATE=N." && exit 84
-      fi
-
-      # Resize file by allocating more space
-      if ! fallocate -l "${DATA_SIZE}" "${DATA}"; then
-        error "Could not allocate a file for the virtual disk." && exit 85
-      fi
-
-      if [[ "${ALLOCATE}" == [Zz]* ]]; then
-
-        GB=$(( (REQ + 1073741823)/1073741824 ))
-
-        info "Preallocating ${GB} GB of diskspace, please wait..."
-        dd if=/dev/urandom of="${DATA}" seek="${OLD_SIZE}" count="${REQ}" bs=1M iflag=count_bytes oflag=seek_bytes status=none
-
-      fi
-    fi
-  fi
-
-  if [ "$DATA_SIZE" -lt "$OLD_SIZE" ]; then
-
-    info "Shrinking existing disks is not supported yet!"
-    info "Creating backup of old drive in storage folder..."
-
-    mv -f "${DATA}" "${DATA}.bak"
-
-  fi
-fi
-
-if [ ! -f "${DATA}" ]; then
-
-  if [[ "${ALLOCATE}" == [Nn]* ]]; then
-
-    # Create an empty file
-    truncate -s "${DATA_SIZE}" "${DATA}"
-
-  else
-
-    # Check free diskspace
-    SPACE=$(df --output=avail -B 1 "${STORAGE}" | tail -n 1)
-
-    if (( DATA_SIZE > SPACE )); then
-      error "Not enough free space to create a virtual disk of ${DISK_SIZE}."
-      error "Specify a smaller size or disable preallocation with ALLOCATE=N." && exit 86
-    fi
-
-    # Create an empty file
-    if ! fallocate -l "${DATA_SIZE}" "${DATA}"; then
-      rm -f "${DATA}"
-      error "Could not allocate a file for the virtual disk." && exit 87
-    fi
-
-    if [[ "${ALLOCATE}" == [Zz]* ]]; then
-
-      info "Preallocating ${DISK_SIZE} of diskspace, please wait..."
-      dd if=/dev/urandom of="${DATA}" count="${DATA_SIZE}" bs=1M iflag=count_bytes status=none
-
-    fi
-  fi
-
-  # Check if file exists
-  if [ ! -f "${DATA}" ]; then
-    error "Virtual disk does not exist ($DATA)" && exit 88
-  fi
-
-  # Format as BTRFS filesystem
-  mkfs.btrfs -q -L data -d single -m dup "${DATA}" > /dev/null
-
-fi
-
-# Check the filesize
-SIZE=$(stat -c%s "${DATA}")
-
-if [[ SIZE -ne DATA_SIZE ]]; then
-  error "Virtual disk has the wrong size: ${SIZE}" && exit 89
-fi
-
-AGENT="${STORAGE}/${BASE}.agent"
-[ -f "$AGENT" ] && AGENT_VERSION=$(cat "${AGENT}") || AGENT_VERSION=1
-
-if ((AGENT_VERSION < 5)); then
-  info "The installed VirtualDSM Agent v${AGENT_VERSION} is an outdated version, please upgrade it."
-fi
-
-DISK_OPTS="\
-    -device virtio-scsi-pci,id=hw-synoboot,bus=pcie.0,addr=0xa \
-    -drive file=${BOOT},if=none,id=drive-synoboot,format=raw,cache=${DISK_CACHE},aio=${DISK_IO},discard=${DISK_DISCARD},detect-zeroes=on \
-    -device scsi-hd,bus=hw-synoboot.0,channel=0,scsi-id=0,lun=0,drive=drive-synoboot,id=synoboot0,rotation_rate=${DISK_ROTATION},bootindex=1 \
-    -device virtio-scsi-pci,id=hw-synosys,bus=pcie.0,addr=0xb \
-    -drive file=${SYSTEM},if=none,id=drive-synosys,format=raw,cache=${DISK_CACHE},aio=${DISK_IO},discard=${DISK_DISCARD},detect-zeroes=on \
-    -device scsi-hd,bus=hw-synosys.0,channel=0,scsi-id=0,lun=0,drive=drive-synosys,id=synosys0,rotation_rate=${DISK_ROTATION},bootindex=2 \
-    -device virtio-scsi-pci,id=hw-userdata,bus=pcie.0,addr=0xc \
-    -drive file=${DATA},if=none,id=drive-userdata,format=raw,cache=${DISK_CACHE},aio=${DISK_IO},discard=${DISK_DISCARD},detect-zeroes=on \
-    -device scsi-hd,bus=hw-userdata.0,channel=0,scsi-id=0,lun=0,drive=drive-userdata,id=userdata0,rotation_rate=${DISK_ROTATION},bootindex=3"

run/power.sh

@@ -1,89 +0,0 @@
-#!/usr/bin/env bash
-set -Eeuo pipefail
-
-# Configure QEMU for graceful shutdown
-
-QEMU_MONPORT=7100
-QEMU_POWERDOWN_TIMEOUT=50
-
-_QEMU_PID=/run/qemu.pid
-_QEMU_SHUTDOWN_COUNTER=/run/qemu.counter
-
-rm -f "${_QEMU_PID}"
-rm -f "${_QEMU_SHUTDOWN_COUNTER}"
-
-_trap(){
-    func="$1" ; shift
-    for sig ; do
-        trap "$func $sig" "$sig"
-    done
-}
-
-_graceful_shutdown() {
-
-  set +e
-
-  [ ! -f "${_QEMU_PID}" ] && return
-  [ -f "${_QEMU_SHUTDOWN_COUNTER}" ] && return
-
-  echo && info "Received $1 signal, shutting down..."
-  echo 0 > "${_QEMU_SHUTDOWN_COUNTER}"
-
-  # Don't send the powerdown signal because vDSM ignores ACPI signals
-  # echo 'system_powerdown' | nc -q 1 -w 1 localhost "${QEMU_MONPORT}" > /dev/null
-
-  # Send shutdown command to guest agent via serial port
-  RESPONSE=$(curl -s -m 5 -S http://127.0.0.1:2210/read?command=6 2>&1)
-
-  if [[ ! "${RESPONSE}" =~ "\"success\"" ]] ; then
-
-    echo && error "Could not send shutdown command to the guest ($RESPONSE)"
-
-    # If we cannot shutdown the usual way, fallback to the NMI method
-
-    AGENT="${STORAGE}/${BASE}.agent"
-    [ -f "$AGENT" ] && AGENT_VERSION=$(cat "${AGENT}") || AGENT_VERSION=1
-
-    if ((AGENT_VERSION > 1)); then
-
-      # Send a NMI interrupt which will be detected by the kernel
-      if ! echo 'nmi' | nc -q 1 -w 1 localhost "${QEMU_MONPORT}" > /dev/null ; then
-        AGENT_VERSION=0
-      fi
-
-    fi
-
-    if ((AGENT_VERSION < 2)); then
-
-      echo && info "Please update the VirtualDSM Agent to allow for gracefull shutdowns..."
-
-      kill -15 "$(cat "${_QEMU_PID}")"
-      pkill -f qemu-system-x86_64 || true
-
-    fi
-  fi
-
-  while [ "$(cat ${_QEMU_SHUTDOWN_COUNTER})" -lt "${QEMU_POWERDOWN_TIMEOUT}" ]; do
-
-    # Increase the counter
-    echo $(($(cat ${_QEMU_SHUTDOWN_COUNTER})+1)) > ${_QEMU_SHUTDOWN_COUNTER}
-
-    # Try to connect to qemu
-    if echo 'info version'| nc -q 1 -w 1 localhost "${QEMU_MONPORT}" >/dev/null 2>&1 ; then
-
-      sleep 1
-      #info "Shutting down, waiting... ($(cat ${_QEMU_SHUTDOWN_COUNTER})/${QEMU_POWERDOWN_TIMEOUT})"
-
-    fi
-
-  done
-
-  echo && echo "❯ Quitting..."
-  echo 'quit' | nc -q 1 -w 1 localhost "${QEMU_MONPORT}" >/dev/null 2>&1 || true
-
-  return
-}
-
-_trap _graceful_shutdown SIGTERM SIGHUP SIGINT SIGABRT SIGQUIT
-
-MON_OPTS="-monitor telnet:localhost:${QEMU_MONPORT},server,nowait,nodelay"

run/run.sh

@@ -1,98 +0,0 @@
-#!/usr/bin/env bash
-set -Eeuo pipefail
-
-# Docker environment variables
-
-: ${URL:=''}            # URL of the PAT file
-: ${DEBUG:='N'}         # Enable debug mode
-: ${ALLOCATE:='Y'}      # Preallocate diskspace
-: ${CPU_CORES:='1'}     # Amount of CPU cores
-: ${DISK_SIZE:='16G'}   # Initial data disk size
-: ${RAM_SIZE:='512M'}   # Maximum RAM amount
-
-echo "❯ Starting Virtual DSM for Docker v${VERSION}..."
-
-info () { echo -e "\E[1;34m❯ \E[1;36m$1\E[0m" ; }
-error () { echo -e >&2 "\E[1;31m❯ ERROR: $1\E[0m" ; }
-trap 'error "Status $? while: ${BASH_COMMAND} (line $LINENO/$BASH_LINENO)"' ERR
-
-[ ! -f "/run/run.sh" ] && error "Script must run inside Docker container!" && exit 11
-[ "$(id -u)" -ne "0" ] && error "Script must be executed with root privileges." && exit 12
-
-STORAGE="/storage"
-KERNEL=$(uname -r | cut -b 1)
-ARCH=$(dpkg --print-architecture)
-
-[ ! -d "$STORAGE" ] && error "Storage folder (${STORAGE}) not found!" && exit 13
-
-if [ -f "$STORAGE"/dsm.ver ]; then
-  BASE=$(cat "${STORAGE}/dsm.ver")
-else
-  # Fallback for old installs
-  BASE="DSM_VirtualDSM_42962"
-fi
-
-[ -n "$URL" ] && BASE=$(basename "$URL" .pat)
-
-if [[ ! -f "$STORAGE/$BASE.boot.img" ]] || [[ ! -f "$STORAGE/$BASE.system.img" ]]; then
-  . /run/install.sh
-fi
-
-# Initialize disks
-. /run/disk.sh
-
-# Initialize network
-. /run/network.sh
-
-# Initialize serialport
-. /run/serial.sh
-
-# Configure shutdown
-. /run/power.sh
-
-KVM_ERR=""
-KVM_OPTS=""
-
-if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then
-  if ! grep -q -e vmx -e svm /proc/cpuinfo; then
-    KVM_ERR="(vmx/svm disabled)"
-  fi
-else
-  [ -e /dev/kvm ] && KVM_ERR="(no write access)" || KVM_ERR="(device file missing)"
-fi
-
-if [ -n "${KVM_ERR}" ]; then
-  if [ "$ARCH" == "amd64" ]; then
-    error "KVM acceleration not detected ${KVM_ERR}, see the FAQ about this."
-    [[ "${DEBUG}" != [Yy1]* ]] && exit 88
-  fi
-else
-  KVM_OPTS=",accel=kvm -enable-kvm -cpu host"
-fi
-
-DEF_OPTS="-nographic -nodefaults -boot strict=on -display none"
-RAM_OPTS=$(echo "-m ${RAM_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
-CPU_OPTS="-smp ${CPU_CORES},sockets=1,dies=1,cores=${CPU_CORES},threads=1"
-MAC_OPTS="-machine type=q35,usb=off,dump-guest-core=off,hpet=off${KVM_OPTS}"
-EXTRA_OPTS="-device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x4"
-EXTRA_OPTS="$EXTRA_OPTS -object rng-random,id=objrng0,filename=/dev/urandom"
-EXTRA_OPTS="$EXTRA_OPTS -device virtio-rng-pci,rng=objrng0,id=rng0,bus=pcie.0,addr=0x1c"
-
-ARGS="${DEF_OPTS} ${CPU_OPTS} ${RAM_OPTS} ${MAC_OPTS} ${MON_OPTS} ${SERIAL_OPTS} ${NET_OPTS} ${DISK_OPTS} ${EXTRA_OPTS}"
-ARGS=$(echo "$ARGS" | sed 's/\t/ /g' | tr -s ' ')
-
-trap - ERR
-
-set -m
-(
-  [[ "${DEBUG}" == [Yy1]* ]] && set -x
-  qemu-system-x86_64 ${ARGS:+ $ARGS} & echo $! > "${_QEMU_PID}"
-  { set +x; } 2>/dev/null
-)
-set +m
-
-if (( KERNEL > 4 )); then
-  pidwait -F "${_QEMU_PID}" & wait $!
-else
-  tail --pid "$(cat "${_QEMU_PID}")" --follow /dev/null & wait $!
-fi

run/serial.sh

@@ -1,55 +0,0 @@
-#!/bin/bash
-set -Eeuo pipefail
-
-# Docker environment variables
-
-: ${HOST_CPU:=''}
-: ${HOST_BUILD:=''}
-: ${HOST_DEBUG:=''}
-: ${HOST_SERIAL:=''}
-: ${GUEST_SERIAL:=''}
-: ${HOST_VERSION:=''}
-: ${HOST_TIMESTAMP:=''}
-
-if [ -z "$HOST_CPU" ]; then
-  HOST_CPU=$(lscpu | grep 'Model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/  */ /g')
-fi
-
-if [ -n "$HOST_CPU" ]; then
-  HOST_CPU="$HOST_CPU,,"
-else
-  if [ "$ARCH" == "amd64" ]; then
-    HOST_CPU="QEMU, Virtual CPU, X86_64"
-  else
-    HOST_CPU="QEMU, Virtual CPU, $ARCH"
-  fi
-fi
-
-HOST_ARGS=()
-HOST_ARGS+=("-cpu_arch=${HOST_CPU}")
-
-[ -n "$CPU_CORES" ] && HOST_ARGS+=("-cpu=${CPU_CORES}")
-[ -n "$HOST_BUILD" ] && HOST_ARGS+=("-build=${HOST_BUILD}")
-[ -n "$HOST_SERIAL" ] && HOST_ARGS+=("-hostsn=${HOST_SERIAL}")
-[ -n "$GUEST_SERIAL" ] && HOST_ARGS+=("-guestsn=${GUEST_SERIAL}")
-[ -n "$HOST_VERSION" ] && HOST_ARGS+=("-version=${HOST_VERSION}")
-[ -n "$HOST_TIMESTAMP" ] && HOST_ARGS+=("-ts=${HOST_TIMESTAMP}")
-
-if [[ "${HOST_DEBUG}" == [Yy1]* ]]; then
-  set -x
-  ./run/host.bin "${HOST_ARGS[@]}" &
-  { set +x; } 2>/dev/null
-  echo
-else
-  ./run/host.bin "${HOST_ARGS[@]}" > /dev/null 2>&1 &
-fi
-
-# Configure serial ports
-
-SERIAL_OPTS="\
-	-serial mon:stdio \
-	-device virtio-serial-pci,id=virtio-serial0,bus=pcie.0,addr=0x3 \
-	-chardev pty,id=charserial0 \
-	-device isa-serial,chardev=charserial0,id=serial0 \
-	-chardev socket,id=charchannel0,host=127.0.0.1,port=12345,reconnect=10 \
-	-device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=vchannel"

src/check.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+set -u
+
+[ ! -f "/run/qemu.pid" ] && echo "QEMU not running yet.." && exit 0
+[ -f "/run/qemu.count" ] && echo "QEMU is shutting down.." && exit 1
+
+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: $RESPONSE" && exit 1
+  fi
+
+  # Retrieve the HTTP port number
+  if [[ ! "${RESPONSE}" =~ "\"http_port\"" ]] ; then
+    echo "Failed to parse response from guest: $RESPONSE" && exit 1
+  fi
+
+  rest=${RESPONSE#*http_port}
+  rest=${rest#*:}
+  rest=${rest%%,*}
+  PORT=${rest%%\"*}
+
+  [ -z "${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}" > $file
+
+fi
+
+LOCATION=$(cat "$file")
+
+if ! curl -m 20 -ILfSs "http://${LOCATION}/" > /dev/null; then
+  rm -f $file
+  echo "Failed to reach http://${LOCATION}"
+  exit 1
+fi
+
+if [[ "$LOCATION" == "20.20"* ]]; then
+  echo "Healthcheck OK"
+else
+  echo "Healthcheck OK ( ${LOCATION%:*} )"
+fi
+
+exit 0

src/config.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+set -Eeuo pipefail
+
+KVM_ERR=""
+KVM_OPTS=""
+
+if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then
+  if ! grep -q -e vmx -e svm /proc/cpuinfo; then
+    KVM_ERR="(vmx/svm disabled)"
+  fi
+else
+  [ -e /dev/kvm ] && KVM_ERR="(no write access)" || KVM_ERR="(device file missing)"
+fi
+
+if [ -n "${KVM_ERR}" ]; then
+  if [ "$ARCH" == "amd64" ]; then
+    error "KVM acceleration not detected ${KVM_ERR}, see the FAQ about this."
+    [[ "${DEBUG}" != [Yy1]* ]] && exit 88
+  fi
+else
+  KVM_OPTS=",accel=kvm -enable-kvm -cpu host"
+fi
+
+DEF_OPTS="-nographic -nodefaults -boot strict=on -display none"
+RAM_OPTS=$(echo "-m ${RAM_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
+CPU_OPTS="-smp ${CPU_CORES},sockets=1,dies=1,cores=${CPU_CORES},threads=1"
+MAC_OPTS="-machine type=q35,usb=off,dump-guest-core=off,hpet=off${KVM_OPTS}"
+EXTRA_OPTS="-device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x4"
+EXTRA_OPTS="$EXTRA_OPTS -object rng-random,id=objrng0,filename=/dev/urandom"
+EXTRA_OPTS="$EXTRA_OPTS -device virtio-rng-pci,rng=objrng0,id=rng0,bus=pcie.0,addr=0x1c"
+
+if [[ "${GPU}" == [Yy1]* ]] && [[ "$ARCH" == "amd64" ]]; then
+  DEF_OPTS="-nodefaults -boot strict=on -display egl-headless,rendernode=/dev/dri/renderD128"
+  DEF_OPTS="${DEF_OPTS} -device virtio-vga,id=video0,max_outputs=1,bus=pcie.0,addr=0x1"
+fi
+
+ARGS="${DEF_OPTS} ${CPU_OPTS} ${RAM_OPTS} ${MAC_OPTS} ${MON_OPTS} ${SERIAL_OPTS} ${NET_OPTS} ${DISK_OPTS} ${EXTRA_OPTS} ${ARGUMENTS}"
+ARGS=$(echo "$ARGS" | sed 's/\t/ /g' | tr -s ' ')
+
+return 0

src/disk.sh

@@ -0,0 +1,222 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+# Docker environment variables
+
+: ${DISK_IO:='native'}    # I/O Mode, can be set to 'native', 'threads' or 'io_turing'
+: ${DISK_CACHE:='none'}   # Caching mode, can be set to 'writeback' for better performance
+: ${DISK_DISCARD:='on'}   # Controls whether unmap (TRIM) commands are passed to the host.
+: ${DISK_ROTATION:='1'}   # Rotation rate, set to 1 for SSD storage and increase for HDD
+
+BOOT="$STORAGE/$BASE.boot.img"
+SYSTEM="$STORAGE/$BASE.system.img"
+
+[ ! -f "$BOOT" ] && error "Virtual DSM boot-image does not exist ($BOOT)" && exit 81
+[ ! -f "$SYSTEM" ] && error "Virtual DSM system-image does not exist ($SYSTEM)" && exit 82
+
+DISK_OPTS="\
+    -device virtio-scsi-pci,id=hw-synoboot,bus=pcie.0,addr=0xa \
+    -drive file=${BOOT},if=none,id=drive-synoboot,format=raw,cache=${DISK_CACHE},aio=${DISK_IO},discard=${DISK_DISCARD},detect-zeroes=on \
+    -device scsi-hd,bus=hw-synoboot.0,channel=0,scsi-id=0,lun=0,drive=drive-synoboot,id=synoboot0,rotation_rate=${DISK_ROTATION},bootindex=1 \
+    -device virtio-scsi-pci,id=hw-synosys,bus=pcie.0,addr=0xb \
+    -drive file=${SYSTEM},if=none,id=drive-synosys,format=raw,cache=${DISK_CACHE},aio=${DISK_IO},discard=${DISK_DISCARD},detect-zeroes=on \
+    -device scsi-hd,bus=hw-synosys.0,channel=0,scsi-id=0,lun=0,drive=drive-synosys,id=synosys0,rotation_rate=${DISK_ROTATION},bootindex=2"
+
+addDisk () {
+
+  local FS
+  local GB
+  local DIR
+  local REQ
+  local SPACE
+  local CUR_SIZE
+  local DATA_SIZE
+  local DISK_ID=$1
+  local DISK_FILE=$2
+  local DISK_DESC=$3
+  local DISK_SPACE=$4
+  local DISK_INDEX=$5
+  local DISK_ADDRESS=$6
+
+  DIR=$(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}")
+
+  if (( DATA_SIZE < 6442450944 )); then
+    error "Please increase ${DISK_DESC^^}_SIZE to at least 6 GB." && exit 83
+  fi
+
+  if [ -f "${DISK_FILE}" ]; then
+
+    CUR_SIZE=$(stat -c%s "${DISK_FILE}")
+
+    if [ "$DATA_SIZE" -gt "$CUR_SIZE" ]; then
+
+      GB=$(( (CUR_SIZE + 1073741823)/1073741824 ))
+      info "Resizing ${DISK_DESC} from ${GB}G to ${DISK_SPACE} .."
+
+      if [[ "${ALLOCATE}" == [Nn]* ]]; then
+
+        # Resize file by changing its length
+        if ! truncate -s "${DISK_SPACE}" "${DISK_FILE}"; then
+          error "Could not resize ${DISK_DESC} file (${DISK_FILE}) to ${DISK_SPACE} .." && exit 85
+        fi
+
+      else
+
+        REQ=$((DATA_SIZE-CUR_SIZE))
+
+        # 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} 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 ${DISK_SPACE}" && exit 85
+          fi
+        fi
+
+      fi
+    fi
+  fi
+
+  if [ ! -f "${DISK_FILE}" ]; then
+
+    if [[ "${ALLOCATE}" == [Nn]* ]]; then
+
+      # Create an empty file
+      if ! truncate -s "${DISK_SPACE}" "${DISK_FILE}"; then
+        rm -f "${DISK_FILE}"
+        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} 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 ${DISK_SPACE} file for ${DISK_DESC} (${DISK_FILE})" && exit 87
+        fi
+      fi
+
+    fi
+  fi
+
+  DISK_OPTS="${DISK_OPTS} \
+    -device virtio-scsi-pci,id=hw-${DISK_ID},bus=pcie.0,addr=${DISK_ADDRESS} \
+    -drive file=${DISK_FILE},if=none,id=drive-${DISK_ID},format=raw,cache=${DISK_CACHE},aio=${DISK_IO},discard=${DISK_DISCARD},detect-zeroes=on \
+    -device scsi-hd,bus=hw-${DISK_ID}.0,channel=0,scsi-id=0,lun=0,drive=drive-${DISK_ID},id=${DISK_ID},rotation_rate=${DISK_ROTATION},bootindex=${DISK_INDEX}"
+
+  return 0
+}
+
+DISK1_FILE="${STORAGE}/data.img"
+
+if [[ ! -f "${DISK1_FILE}" ]] && [[ -f "${STORAGE}/data${DISK_SIZE}.img" ]]; then
+  # Fallback for legacy installs
+  mv "${STORAGE}/data${DISK_SIZE}.img" "${DISK1_FILE}"
+fi
+
+DISK2_FILE="/storage2/data2.img"
+
+if [ ! -f "${DISK2_FILE}" ]; then
+  # Fallback for legacy installs
+  FALLBACK="/storage2/data.img"
+  if [[ -f "${DISK1_FILE}" ]] && [[ -f "${FALLBACK}" ]]; then
+    SIZE1=$(stat -c%s "${FALLBACK}")
+    SIZE2=$(stat -c%s "${DISK1_FILE}")
+    if [[ SIZE1 -ne SIZE2 ]]; then
+      mv "${FALLBACK}" "${DISK2_FILE}"
+    fi
+  fi
+fi
+
+DISK3_FILE="/storage3/data3.img"
+
+if [ ! -f "${DISK3_FILE}" ]; then
+  # Fallback for legacy installs
+  FALLBACK="/storage3/data.img"
+  if [[ -f "${DISK1_FILE}" ]] && [[ -f "${FALLBACK}" ]]; then
+    SIZE1=$(stat -c%s "${FALLBACK}")
+    SIZE2=$(stat -c%s "${DISK1_FILE}")
+    if [[ SIZE1 -ne SIZE2 ]]; then
+      mv "${FALLBACK}" "${DISK3_FILE}"
+    fi
+  fi
+fi
+
+DISK4_FILE="/storage4/data4.img"
+DISK5_FILE="/storage5/data5.img"
+DISK6_FILE="/storage6/data6.img"
+
+: ${DISK2_SIZE:=''}
+: ${DISK3_SIZE:=''}
+: ${DISK4_SIZE:=''}
+: ${DISK5_SIZE:=''}
+: ${DISK6_SIZE:=''}
+
+addDisk "userdata" "${DISK1_FILE}" "disk" "${DISK_SIZE}" "3" "0xc"
+addDisk "userdata2" "${DISK2_FILE}" "disk2" "${DISK2_SIZE}" "4" "0xd"
+addDisk "userdata3" "${DISK3_FILE}" "disk3" "${DISK3_SIZE}" "5" "0xe"
+addDisk "userdata4" "${DISK4_FILE}" "disk4" "${DISK4_SIZE}" "9" "0x7"
+addDisk "userdata5" "${DISK5_FILE}" "disk5" "${DISK5_SIZE}" "10" "0x8"
+addDisk "userdata6" "${DISK6_FILE}" "disk6" "${DISK6_SIZE}" "11" "0x9"
+
+addDevice () {
+
+  local DISK_ID=$1
+  local DISK_DEV=$2
+  local DISK_INDEX=$3
+  local DISK_ADDRESS=$4
+
+  [ -z "${DISK_DEV}" ] && return 0
+  [ ! -b "${DISK_DEV}" ] && error "Device ${DISK_DEV} cannot be found! Please add it to the 'devices' section of your compose file." && exit 55
+
+  DISK_OPTS="${DISK_OPTS} \
+    -device virtio-scsi-pci,id=hw-${DISK_ID},bus=pcie.0,addr=${DISK_ADDRESS} \
+    -drive file=${DISK_DEV},if=none,id=drive-${DISK_ID},format=raw,cache=${DISK_CACHE},aio=${DISK_IO},discard=${DISK_DISCARD},detect-zeroes=on \
+    -device scsi-hd,bus=hw-${DISK_ID}.0,channel=0,scsi-id=0,lun=0,drive=drive-${DISK_ID},id=${DISK_ID},rotation_rate=${DISK_ROTATION},bootindex=${DISK_INDEX}"
+
+  return 0
+}
+
+: ${DEVICE:=''}        # Docker variable to passthrough a block device, like /dev/vdc1.
+: ${DEVICE2:=''}
+: ${DEVICE3:=''}
+: ${DEVICE4:=''}
+: ${DEVICE5:=''}
+: ${DEVICE6:=''}
+
+addDevice "userdata7" "${DEVICE}" "6" "0xf"
+addDevice "userdata8" "${DEVICE2}" "7" "0x5"
+addDevice "userdata9" "${DEVICE3}" "8" "0x6"
+addDevice "userdata4" "${DEVICE4}" "9" "0x7"
+addDevice "userdata5" "${DEVICE5}" "10" "0x8"
+addDevice "userdata6" "${DEVICE6}" "11" "0x9"
+
+return 0

src/entry.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+echo "❯ Starting Virtual DSM for Docker v$(</run/version)..."
+echo "❯ For support visit https://github.com/vdsm/virtual-dsm/"
+
+cd /run
+
+. reset.sh      # Initialize system
+. install.sh    # Run installation
+. disk.sh       # Initialize disks
+. network.sh    # Initialize network
+. gpu.sh        # Initialize graphics
+. serial.sh     # Initialize serialport
+. power.sh      # Configure shutdown
+. config.sh     # Configure arguments
+
+trap - ERR
+
+if [[ "${CONSOLE}" == [Yy]* ]]; then
+  exec qemu-system-x86_64 -pidfile "${QEMU_PID}" ${ARGS:+ $ARGS}
+  exit $?
+fi
+
+set -m
+(
+  [[ "${DEBUG}" == [Yy1]* ]] && info "$VERS" && set -x
+  qemu-system-x86_64 ${ARGS:+ $ARGS} & echo $! > "${QEMU_PID}"
+  { set +x; } 2>/dev/null
+)
+set +m
+
+tail --pid "$(cat "${QEMU_PID}")" --follow /dev/null & wait $!

src/gpu.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+set -Eeuo pipefail
+
+if [[ "${GPU}" != [Yy1]* ]] || [[ "$ARCH" != "amd64" ]]; then
+  return 0
+fi
+
+[ ! -d /dev/dri ] && mkdir -m 755 /dev/dri
+
+if [ ! -c /dev/dri/card0 ]; then
+  mknod /dev/dri/card0 c 226 0
+fi
+
+if [ ! -c /dev/dri/renderD128 ]; then
+  mknod /dev/dri/renderD128 c 226 128
+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
+
+return 0

src/install.sh

@@ -1,6 +1,23 @@
 #!/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
+  # Fallback for old installs
+  BASE="DSM_VirtualDSM_42962"
+fi
+
+[ -n "$URL" ] && BASE=$(basename "$URL" .pat)
+
+if [[ -f "$STORAGE/$BASE.boot.img" ]] && [[ -f "$STORAGE/$BASE.system.img" ]]; then
+  # Previous installation found
+  return 0
+fi
+
 # Display wait message
 /run/server.sh 5000 install &
 
@@ -9,9 +26,11 @@ DL="https://global.synologydownload.com/download/DSM"
 
 if [ -z "$URL" ]; then
 
-  URL="$DL/release/7.2/64561/DSM_VirtualDSM_64561.pat"
-  #URL="$DL/release/7.1.1/42962-1/DSM_VirtualDSM_42962.pat"
-  #URL="$DL/release/7.0.1/42218/DSM_VirtualDSM_42218.pat"
+  if [ "$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
 
@@ -29,12 +48,42 @@ rm -f "$STORAGE"/"$BASE".agent
 rm -f "$STORAGE"/"$BASE".boot.img
 rm -f "$STORAGE"/"$BASE".system.img
 
-TMP="$STORAGE/tmp"
-RDC="$STORAGE/dsm.rd"
+[[ "${DEBUG}" == [Yy1]* ]] && set -x
+
+# Check filesystem
+MIN_SPACE=6442450944
+FS=$(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=$(df --output=avail -B 1 /tmp | tail -n 1)
+  if (( MIN_SPACE > SPACE )); then
+    TMP="$STORAGE/tmp"
+    info "Warning: the ${FS} filesystem of ${STORAGE} does not support UNIX permissions.."
+  fi
+fi
 
 rm -rf "$TMP" && mkdir -p "$TMP"
 
-[[ "${DEBUG}" == [Yy1]* ]] && set -x
+# Check free diskspace
+SPACE=$(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 ${SPACE_GB} GB available but need at least 6 GB." && exit 94
+fi
+
+RDC="$STORAGE/dsm.rd"
 
 if [ ! -f "${RDC}" ]; then
 
@@ -73,8 +122,14 @@ 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 $TMP/usr/lib/libcurl.so.4 \
@@ -98,10 +153,10 @@ if [ -f "${RDC}" ]; then
   mv /run/extract/scemd /run/extract/syno_extract_system_patch
   chmod +x /run/extract/syno_extract_system_patch
 
-  rm -rf "$TMP" && mkdir -p "$TMP"
-
 fi
 
+rm -rf "$TMP" && mkdir -p "$TMP"
+
 info "Install: Downloading $(basename "$URL")..."
 
 PAT="/$BASE.pat"
@@ -118,27 +173,27 @@ if ((SIZE<250000000)); then
   error "The specified PAT file is probably an update pack as it's too small." && exit 62
 fi
 
-info "Install: Extracting downloaded image..."
-
 if { tar tf "$PAT"; } >/dev/null 2>&1; then
 
+  info "Install: Extracting downloaded image..."
   tar xpf "$PAT" -C "$TMP/."
 
 else
 
   if [ "$ARCH" != "amd64" ]; then
 
+    info "Install: Installing QEMU..."
+
     export DEBCONF_NOWARNINGS="yes"
     export DEBIAN_FRONTEND="noninteractive"
 
     apt-get -qq update
-    apt-get -qq -y upgrade
     apt-get -qq --no-install-recommends -y install qemu-user > /dev/null
 
-    export DEBIAN_FRONTEND=""
-
   fi
 
+  info "Install: Extracting downloaded image..."
+
   export LD_LIBRARY_PATH="/run/extract"
 
   if [ "$ARCH" == "amd64" ]; then
@@ -147,9 +202,10 @@ else
     { qemu-x86_64 /run/extract/syno_extract_system_patch "$PAT" "$TMP/."; rc=$?; } || :
   fi
 
-  (( rc != 0 )) && error "Failed to extract PAT file, reason $rc" && exit 63
   export LD_LIBRARY_PATH=""
 
+  (( rc != 0 )) && error "Failed to extract PAT file, reason $rc" && exit 63
+
 fi
 
 HDA="$TMP/hda1"
@@ -165,22 +221,18 @@ BOOT=$(find "$TMP" -name "*.bin.zip")
 BOOT=$(echo "$BOOT" | head -c -5)
 unzip -q -o "$BOOT".zip -d "$TMP"
 
-[[ "${ALLOCATE}" == [Zz]* ]] && info "Install: Allocating diskspace..."
-
 SYSTEM="$TMP/sys.img"
 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
-  rm -f "${SYSTEM}" && error "Could not allocate a file for the system disk." && exit 88
-fi
-
-if [[ "${ALLOCATE}" == [Zz]* ]]; then
-  info "Install: Preallocating 4 GB of diskspace..."
-  dd if=/dev/urandom of="${SYSTEM}" count="${SYSTEM_SIZE}" bs=1M iflag=count_bytes status=none
+  if ! truncate -s "${SYSTEM_SIZE}" "${SYSTEM}"; then
+    rm -f "${SYSTEM}" && error "Could not allocate a file for the system disk." && exit 88
+  fi
 fi
 
 # Check if file exists
@@ -192,14 +244,14 @@ SIZE=$(stat -c%s "${SYSTEM}")
 
 PART="$TMP/partition.fdisk"
 
-{	echo "label: dos"
-	echo "label-id: 0x6f9ee2e9"
-	echo "device: ${SYSTEM}"
-	echo "unit: sectors"
-	echo "sector-size: 512"
-	echo ""
-	echo "${SYSTEM}1 : start=        2048, size=     4980480, type=83"
-	echo "${SYSTEM}2 : start=     4982528, size=     4194304, type=82"
+{       echo "label: dos"
+        echo "label-id: 0x6f9ee2e9"
+        echo "device: ${SYSTEM}"
+        echo "unit: sectors"
+        echo "sector-size: 512"
+        echo ""
+        echo "${SYSTEM}1 : start=        2048, size=     4980480, type=83"
+        echo "${SYSTEM}2 : start=     4982528, size=     4194304, type=82"
 } > "$PART"
 
 sfdisk -q "$SYSTEM" < "$PART"
@@ -210,7 +262,13 @@ 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-"*
@@ -218,21 +276,6 @@ rm -f "$MOUNT/.SynoUpgradePackages/ActiveInsight-"*
 [ -f "$HDP.txz" ] && tar xpfJ "$HDP.txz" --absolute-names -C "$MOUNT/"
 [ -f "$IDB.txz" ] && tar xpfJ "$IDB.txz" --absolute-names -C "$MOUNT/usr/syno/synoman/indexdb/"
 
-# Install Agent
-
-LOC="$MOUNT/usr/local/bin"
-mkdir -p "$LOC"
-cp /agent/agent.sh "$LOC/agent.sh"
-chmod 755 "$LOC/agent.sh"
-
-LOC="$MOUNT/usr/local/etc/rc.d"
-mkdir -p "$LOC"
-cp /agent/service.sh "$LOC/agent.sh"
-chmod 755 "$LOC/agent.sh"
-
-# Store agent version
-echo "7" > "$STORAGE"/"$BASE".agent
-
 info "Install: Installing system partition..."
 
 LABEL="1.44.1-42218"
@@ -244,6 +287,7 @@ mke2fs -q -t ext4 -b 4096 -d "$MOUNT/" -L "$LABEL" -F -E "offset=$OFFSET" "$SYST
 rm -rf "$MOUNT"
 
 echo "$BASE" > "$STORAGE"/dsm.ver
+
 mv -f "$PAT" "$STORAGE"/"$BASE".pat
 mv -f "$BOOT" "$STORAGE"/"$BASE".boot.img
 mv -f "$SYSTEM" "$STORAGE"/"$BASE".system.img

src/network.sh

@@ -31,7 +31,10 @@ configureDHCP() {
     error "and that the NET_ADMIN capability has been added to the container config: --cap-add NET_ADMIN" && exit 16
   fi
 
-  ip link set "${VM_NET_TAP}" up
+  while ! ip link set "${VM_NET_TAP}" up; do
+    info "Waiting for address to become available..."
+    sleep 2
+  done
 
   TAP_NR=$(</sys/class/net/"${VM_NET_TAP}"/ifindex)
   TAP_PATH="/dev/tap${TAP_NR}"
@@ -87,12 +90,12 @@ configureDNS () {
 
   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
+    [[ "$nameserver" =~ .*:.* ]] && continue
+    [[ "$nameserver" == "127.0"* ]] && nameserver=$GATEWAY
+    [[ -z "$DNS_SERVERS" ]] && DNS_SERVERS="$nameserver" || DNS_SERVERS="$DNS_SERVERS,$nameserver"
   done
 
-  [[ -z "$DNS_SERVERS" ]] && DNS_SERVERS="1.1.1.1"
+  [[ -z "$DNS_SERVERS" ]] && DNS_SERVERS=$GATEWAY
 
   DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:dns-server,$DNS_SERVERS --dhcp-option=option:router,${VM_NET_IP%.*}.1"
 
@@ -127,17 +130,26 @@ configureNAT () {
   fi
 
   ip address add ${VM_NET_IP%.*}.1/24 broadcast ${VM_NET_IP%.*}.255 dev dockerbridge
-  ip link set dockerbridge up
+
+  while ! ip link set dockerbridge up; do
+    info "Waiting for address to become available..."
+    sleep 2
+  done
 
   # QEMU Works with taps, set tap to the bridge created
   ip tuntap add dev "${VM_NET_TAP}" mode tap
-  ip link set "${VM_NET_TAP}" up promisc on
+
+  while ! ip link set "${VM_NET_TAP}" up promisc on; do
+    info "Waiting for tap to become available..."
+    sleep 2
+  done
+
   ip link set dev "${VM_NET_TAP}" master dockerbridge
 
   # Add internet connection to the VM
   iptables -t nat -A POSTROUTING -o "${VM_NET_DEV}" -j MASQUERADE
-  iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -p tcp  -j DNAT --to $VM_NET_IP
-  iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -p udp  -j DNAT --to $VM_NET_IP
+  iptables -t nat -A PREROUTING -i "${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
 
   if (( KERNEL > 4 )); then
     # Hack for guest VMs complaining about "bad udp checksums in 5 packets"
@@ -165,6 +177,24 @@ configureNAT () {
   return 0
 }
 
+closeNetwork () {
+
+  if [[ "${DHCP}" == [Yy1]* ]]; then
+
+    ip link set "${VM_NET_TAP}" down || true
+    ip link delete "${VM_NET_TAP}" || true
+
+  else
+
+    ip link set "${VM_NET_TAP}" down promisc off || true
+    ip link delete "${VM_NET_TAP}" || true
+
+    ip link set dockerbridge down || true
+    ip link delete dockerbridge || true
+
+  fi
+}
+
 # ######################################
 #  Configure Network
 # ######################################
@@ -191,18 +221,20 @@ 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
 
   if [[ "$GATEWAY" == "172."* ]]; then
-    error "You can only enable DHCP while the container is on a macvlan network!" && exit 86
+    if [[ "${DEBUG}" == [Yy1]* ]]; then
+      info "Warning: Are you sure the container is on a macvlan network?"
+    else
+      error "You can only enable DHCP while the container is on a macvlan network!" && exit 86
+    fi
   fi
 
   # Configuration for DHCP IP

src/power.sh

@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+# Configure QEMU for graceful shutdown
+
+QEMU_PORT=7100
+QEMU_TIMEOUT=50
+
+QEMU_PID=/run/qemu.pid
+QEMU_COUNT=/run/qemu.count
+
+rm -f "${QEMU_PID}"
+rm -f "${QEMU_COUNT}"
+
+_trap(){
+    func="$1" ; shift
+    for sig ; do
+        trap "$func $sig" "$sig"
+    done
+}
+
+_graceful_shutdown() {
+
+  set +e
+
+  [ ! -f "${QEMU_PID}" ] && exit 130
+  [ -f "${QEMU_COUNT}" ] && return
+
+  echo && info "Received $1 signal, shutting down..."
+  echo 0 > "${QEMU_COUNT}"
+
+  # 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)
+
+  if [[ ! "${RESPONSE}" =~ "\"success\"" ]] ; then
+
+    echo && error "Could not send shutdown command to the guest ($RESPONSE)"
+
+    kill -15 "$(cat "${QEMU_PID}")"
+    pkill -f qemu-system-x86_64 || true
+
+  fi
+
+  while [ "$(cat ${QEMU_COUNT})" -lt "${QEMU_TIMEOUT}" ]; do
+
+    # Increase the counter
+    echo $(($(cat ${QEMU_COUNT})+1)) > ${QEMU_COUNT}
+
+    # Try to connect to qemu
+    if echo 'info version'| nc -q 1 -w 1 localhost "${QEMU_PORT}" >/dev/null 2>&1 ; then
+
+      sleep 1
+
+      CNT="$(cat ${QEMU_COUNT})/${QEMU_TIMEOUT}"
+      [[ "${DEBUG}" == [Yy1]* ]] && info "Shutting down, waiting... (${CNT})"
+
+    fi
+
+  done
+
+  echo && echo "❯ Quitting..."
+  echo 'quit' | nc -q 1 -w 1 localhost "${QEMU_PORT}" >/dev/null 2>&1 || true
+
+  closeNetwork
+
+  return
+}
+
+_trap _graceful_shutdown SIGTERM SIGHUP SIGINT SIGABRT SIGQUIT
+
+MON_OPTS="-monitor telnet:localhost:${QEMU_PORT},server,nowait,nodelay"

src/print.sh

@@ -0,0 +1,66 @@
+#!/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: $1\E[0m" ; }
+
+file="/run/dsm.url"
+
+while [ ! -f  "$file" ]
+do
+
+  sleep 3
+  [ -f "$file" ] && continue
+
+  # Retrieve IP from guest VM
+
+  set +e
+  RESPONSE=$(curl -s -m 16 -S http://127.0.0.1:2210/read?command=10 2>&1)
+  set -e
+
+  if [[ ! "${RESPONSE}" =~ "\"success\"" ]] ; then
+    error "Failed to connect to guest: $RESPONSE" && continue
+  fi
+
+  # Retrieve the HTTP port number
+  if [[ ! "${RESPONSE}" =~ "\"http_port\"" ]] ; then
+    error "Failed to parse response from guest: $RESPONSE" && continue
+  fi
+
+  rest=${RESPONSE#*http_port}
+  rest=${rest#*:}
+  rest=${rest%%,*}
+  PORT=${rest%%\"*}
+
+  [ -z "${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}" > $file
+
+done
+
+LOCATION=$(cat "$file")
+
+if [[ "$LOCATION" == "20.20"* ]]; then
+  MSG="port ${LOCATION##*:}"
+else
+  MSG="http://${LOCATION}"
+fi
+
+echo "" >&2
+info "--------------------------------------------------------"
+info " You can now login to DSM at ${MSG}"
+info "--------------------------------------------------------"
+echo "" >&2

src/reset.sh

@@ -0,0 +1,45 @@
+#!/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" ; }
+trap 'error "Status $? while: ${BASH_COMMAND} (line $LINENO/$BASH_LINENO)"' ERR
+
+[ ! -f "/run/entry.sh" ] && error "Script must run inside Docker container!" && exit 11
+[ "$(id -u)" -ne "0" ] && error "Script must be executed with root privileges." && exit 12
+
+# Docker environment variables
+
+: ${GPU:='N'}           # Enable GPU passthrough
+: ${DEBUG:='N'}         # Enable debugging mode
+: ${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
+: ${DISK_SIZE:='16G'}   # Initial data disk size
+
+# Helper variables
+
+KERNEL=$(uname -r | cut -b 1)
+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 (${STORAGE}) not found!" && exit 13
+
+# Cleanup files
+
+rm -f /run/dsm.url
+rm -f /run/qemu.pid
+rm -f /run/qemu.count
+
+# Cleanup dirs
+
+rm -rf /tmp/dsm
+rm -rf "$STORAGE/tmp"
+
+return 0

src/serial.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+set -Eeuo pipefail
+
+# Docker environment variables
+
+: ${HOST_CPU:=''}
+: ${HOST_MAC:=''}
+: ${HOST_DEBUG:=''}
+: ${HOST_SERIAL:=''}
+: ${HOST_MODEL:=''}
+: ${GUEST_SERIAL:=''}
+
+if [ -z "$HOST_CPU" ]; then
+  HOST_CPU=$(lscpu | grep 'Model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/  */ /g')
+fi
+
+if [ -n "$HOST_CPU" ]; then
+  HOST_CPU="$HOST_CPU,,"
+else
+  if [ "$ARCH" == "amd64" ]; then
+    HOST_CPU="QEMU, Virtual CPU, X86_64"
+  else
+    HOST_CPU="QEMU, Virtual CPU, $ARCH"
+  fi
+fi
+
+HOST_ARGS=()
+HOST_ARGS+=("-cpu=${CPU_CORES}")
+HOST_ARGS+=("-cpu_arch=${HOST_CPU}")
+
+[ -n "$HOST_MAC" ] && HOST_ARGS+=("-mac=${HOST_MAC}")
+[ -n "$HOST_MODEL" ] && HOST_ARGS+=("-model=${HOST_MODEL}")
+[ -n "$HOST_SERIAL" ] && HOST_ARGS+=("-hostsn=${HOST_SERIAL}")
+[ -n "$GUEST_SERIAL" ] && HOST_ARGS+=("-guestsn=${GUEST_SERIAL}")
+
+if [[ "${HOST_DEBUG}" == [Yy1]* ]]; then
+  set -x
+  ./host.bin "${HOST_ARGS[@]}" &
+  { set +x; } 2>/dev/null
+  echo
+else
+  ./host.bin "${HOST_ARGS[@]}" >/dev/null &
+fi
+
+cnt=0
+sleep 0.2
+
+while ! nc -z -w1 127.0.0.1 2210 > /dev/null 2>&1; do
+  sleep 0.1
+  cnt=$((cnt + 1))
+  (( cnt > 50 )) && error "Failed to connect to qemu-host.." && exit 58
+done
+
+cnt=0
+
+while ! nc -z -w1 127.0.0.1 12345 > /dev/null 2>&1; do
+  sleep 0.1
+  cnt=$((cnt + 1))
+  (( cnt > 50 )) && error "Failed to connect to qemu-host.." && exit 59
+done
+
+# Configure serial ports
+
+SERIAL_OPTS="\
+        -serial mon:stdio \
+        -device virtio-serial-pci,id=virtio-serial0,bus=pcie.0,addr=0x3 \
+        -chardev pty,id=charserial0 \
+        -device isa-serial,chardev=charserial0,id=serial0 \
+        -chardev socket,id=charchannel0,host=127.0.0.1,port=12345,reconnect=10 \
+        -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=vchannel"
+
+return 0

src/server.sh

@@ -46,17 +46,15 @@ if [[ "$2" != "/run/ip.sh" ]]; then
 
 else
 
-  BODY="The location of DSM is <a href='http://\${IP}:\${PORT}'>http://\${IP}:\${PORT}</a><script>"
-  BODY="${BODY}setTimeout(function(){ window.location.assign('http://\${IP}:\${PORT}'); }, 3000);</script>"
+  BODY="The location of DSM is <a href='http://\${LOCATION}'>http://\${LOCATION}</a><script>"
+  BODY="${BODY}setTimeout(function(){ window.location.assign('http://\${LOCATION}'); }, 3000);</script>"
   WAIT="Please wait while discovering IP...<script>setTimeout(() => { document.location.reload(); }, 4999);</script>"
 
   HTML=$(html "xxx")
 
   { echo "#!/bin/bash"
-    echo "INFO=\$(curl -s -m 2 -S http://127.0.0.1:2210/read?command=10 2>/dev/null)"
-    echo "rest=\${INFO#*http_port}; rest=\${rest#*:}; rest=\${rest%%,*}; PORT=\${rest%%\\\"*}"
-    echo "rest=\${INFO#*eth0}; rest=\${rest#*ip}; rest=\${rest#*:}; rest=\${rest#*\\\"}; IP=\${rest%%\\\"*}"
-    echo "HTML=\"$HTML\"; [ -z \"\${IP}\" ] && BODY=\"$WAIT\" || BODY=\"$BODY\"; HTML=\${HTML/xxx/\$BODY}"
+    echo "[ -f \"/run/dsm.url\" ] && LOCATION=\$(cat \"/run/dsm.url\")"
+    echo "HTML=\"$HTML\"; [ -z \"\${LOCATION}\" ] && BODY=\"$WAIT\" || BODY=\"$BODY\"; HTML=\${HTML/xxx/\$BODY}"
     echo "printf '%b' \"HTTP/1.1 200 OK\\nContent-Length: \${#HTML}\\nConnection: close\\n\\n\$HTML\""
   } > "$TMP_FILE"