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openwrt-docker/Dockerfile
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########################################################################################################################
# Build stage for rust backend
########################################################################################################################
FROM rust:alpine AS build-backend
ARG TARGETPLATFORM
RUN apk update && \
apk add --no-cache \
musl-dev \
gcc
WORKDIR /usr/src/qemu-backend
COPY ./web-backend .
# Build the application for musl
RUN if [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
rustup target add aarch64-unknown-linux-musl; \
else \
rustup target add x86_64-unknown-linux-musl; \
fi
# Build the application for the specific target architecture
RUN if [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
cargo build --release --target aarch64-unknown-linux-musl; \
cp /usr/src/qemu-backend/target/aarch64-unknown-linux-musl/release/qemu-openwrt-web-backend /usr/local/bin; \
else \
cargo build --release --target x86_64-unknown-linux-musl; \
cp /usr/src/qemu-backend/target/x86_64-unknown-linux-musl/release/qemu-openwrt-web-backend /usr/local/bin; \
fi
########################################################################################################################
# Build stage for angular frontend
########################################################################################################################
FROM node:latest AS build-frontend
WORKDIR /usr/local/app
COPY ./web-frontend /usr/local/app/
# See https://github.com/nodejs/docker-node/issues/1668
RUN npm update -g npm
RUN npm ci --no-audit --maxsockets 1
RUN npm install
RUN npm run build -- "--base-href='./'"
########################################################################################################################
# OpenWrt image
########################################################################################################################
FROM alpine:latest
ARG OPENWRT_VERSION="25.12.5"
ARG TARGETPLATFORM
ARG OPENWRT_ROOTFS_IMG
ARG OPENWRT_KERNEL
ARG OPENWRT_ROOTFS_TAR
# Configure Alpine
RUN echo "Building for platform '$TARGETPLATFORM'" \
&& if [ "$TARGETPLATFORM" = "linux/amd64" ]; then \
CPU_ARCH="x86_64"; \
APK_EXTRA="ovmf"; \
elif [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
CPU_ARCH="aarch64"; \
APK_EXTRA=""; \
else \
echo "Error: CPU architecture $TARGETPLATFORM is not supported"; \
exit 1; \
fi \
&& apk add --no-cache \
multirun \
bash \
wget \
grep \
qemu-system-"$CPU_ARCH" \
qemu-hw-usb-host \
qemu-hw-usb-redirect \
nginx \
nginx-mod-stream \
netcat-openbsd \
uuidgen \
usbutils \
pciutils \
openssh-client \
util-linux-misc \
iproute2 \
"$APK_EXTRA" \
# It seems that PROFINET packages are not forwarded correctly without the package iproute2. The reason is unknown. \
&& sed -i 's/^worker_processes.*/worker_processes 1;daemon off;/' /etc/nginx/nginx.conf
COPY ./openwrt_additional /var/vm/openwrt_additional
# Handle different CPUs architectures and choose the correct OpenWrt images
RUN echo "Building for platform '$TARGETPLATFORM'" \
&& if [ "$TARGETPLATFORM" = "linux/amd64" ]; then \
if [ "$OPENWRT_VERSION" = "master" ]; then \
OPENWRT_IMAGE="https://downloads.openwrt.org/snapshots/targets/x86/64/openwrt-x86-64-generic-squashfs-combined-efi.img.gz"; \
elif [ "$OPENWRT_VERSION" = "24.10-SNAPSHOT" ]; then \
wget https://downloads.openwrt.org/releases/24.10-SNAPSHOT/targets/x86/64/version.buildinfo; \
VERSION_BUILDINFO=`cat version.buildinfo`; \
OPENWRT_IMAGE="https://downloads.openwrt.org/releases/24.10-SNAPSHOT/targets/x86/64/openwrt-24.10-snapshot-${VERSION_BUILDINFO}-x86-64-generic-squashfs-combined-efi.img.gz"; \
else \
OPENWRT_IMAGE="https://downloads.openwrt.org/releases/${OPENWRT_VERSION}/targets/x86/64/openwrt-${OPENWRT_VERSION}-x86-64-generic-squashfs-combined-efi.img.gz"; \
fi; \
elif [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
if [ "$OPENWRT_VERSION" = "master" ]; then \
OPENWRT_IMAGE="https://downloads.openwrt.org/snapshots/targets/armsr/armv8/openwrt-armsr-armv8-generic-squashfs-combined-efi.img.gz"; \
elif [ "$OPENWRT_VERSION" = "24.10-SNAPSHOT" ]; then \
wget https://downloads.openwrt.org/releases/24.10-SNAPSHOT/targets/armsr/armv8/version.buildinfo; \
VERSION_BUILDINFO=`cat version.buildinfo`; \
OPENWRT_IMAGE="https://downloads.openwrt.org/releases/24.10-SNAPSHOT/targets/armsr/armv8/openwrt-24.10-snapshot-${VERSION_BUILDINFO}-armsr-armv8-generic-squashfs-combined-efi.img.gz"; \
else \
OPENWRT_IMAGE="https://downloads.openwrt.org/releases/${OPENWRT_VERSION}/targets/armsr/armv8/openwrt-${OPENWRT_VERSION}-armsr-armv8-generic-squashfs-combined-efi.img.gz"; \
fi; \
else \
echo "Error: CPU architecture $TARGETPLATFORM is not supported"; \
exit 1; \
fi \
\
# Get OpenWrt images \
&& wget $OPENWRT_IMAGE -O /var/vm/squashfs-combined-${OPENWRT_VERSION}.img.gz \
&& gzip -d /var/vm/squashfs-combined-${OPENWRT_VERSION}.img.gz \
\
# 4k align the OpenWrt image so qemu doesn't complain about resize errors \
# Get current size in bytes \
&& size=$(stat -c%s "/var/vm/squashfs-combined-${OPENWRT_VERSION}.img") \
# ceil to MB \
&& size_mb=$(( (size + 1024*1024 - 1) / (1024*1024) )) \
&& echo "Current size: ${size_mb} MiB " \
# Decide target size \
&& if [ "$size_mb" -le 128 ]; then \
target_mb=128; \
elif [ "$size_mb" -le 256 ]; then \
target_mb=256; \
elif [ "$size_mb" -le 512 ]; then \
target_mb=512; \
elif [ "$size_mb" -le 1024 ]; then \
target_mb=1024; \
fi \
&& echo "Extending /var/vm/squashfs-combined-${OPENWRT_VERSION}.img to ${target_mb} MiB..." \
&& dd if=/dev/zero of="/var/vm/squashfs-combined-${OPENWRT_VERSION}.img" seek="${target_mb}" obs=1M count=0 \
\
# Each CPU architecture needs a different SSH port to make a possible to make a parallel build \
&& SSH_PORT=1022 \
\
# Boot OpenWrt in order to install additional packages and settings \
&& if [ "$TARGETPLATFORM" = "linux/amd64" ]; then \
SSH_PORT=1022; \
qemu-system-x86_64 -M pc -nographic -nodefaults -m 256 \
-bios /usr/share/ovmf/bios.bin \
-blockdev driver=raw,node-name=hd0,cache.direct=on,file.driver=file,file.filename=/var/vm/squashfs-combined-${OPENWRT_VERSION}.img \
-device virtio-blk-pci,drive=hd0 \
-device virtio-net,netdev=qlan0 -netdev user,id=qlan0,net=192.168.1.0/24,hostfwd=tcp::$SSH_PORT-192.168.1.1:22 \
-device virtio-net,netdev=qwan0 -netdev user,id=qwan0 \
& QEMU_PID=$!; \
else \
SSH_PORT=2022; \
qemu-system-aarch64 -M virt -cpu cortex-a53 -nographic -nodefaults -m 256 \
-bios /usr/share/qemu/edk2-aarch64-code.fd \
-blockdev driver=raw,node-name=hd0,cache.direct=on,file.driver=file,file.filename=/var/vm/squashfs-combined-${OPENWRT_VERSION}.img \
-device virtio-blk-pci,drive=hd0 \
-device virtio-net,netdev=qlan0 -netdev user,id=qlan0,net=192.168.1.0/24,hostfwd=tcp::$SSH_PORT-192.168.1.1:22 \
-device virtio-net,netdev=qwan0 -netdev user,id=qwan0 \
& QEMU_PID=$!; \
fi \
&& echo "QEMU started with PID $QEMU_PID" \
\
# OpenWrt uses apk now \
&& PACKAGE_UPDATE="apk update" \
&& PACKAGE_INSTALL="apk add" \
&& PACKAGE_REMOVE="apk del" \
&& PACKAGE_EXTRA="libudev-zero" \
\
# Wait for OpenWrt startup and update repo \
&& until ssh -o ConnectTimeout=10 -o StrictHostKeyChecking=accept-new root@localhost -p $SSH_PORT "cat /etc/banner"; do echo "Waiting for OpenWrt boot ..."; sleep 1; done \
# Update package repo. Some some reasons it can fail. So try it until we are successfull. \
&& until ssh root@localhost -p $SSH_PORT "${PACKAGE_UPDATE}"; do echo "Retrying ${PACKAGE_UPDATE} ..."; sleep 1; done\
# Download Luci, qemu guest agent and mDNS support \
&& ssh root@localhost -p $SSH_PORT "${PACKAGE_INSTALL} qemu-ga luci luci-ssl umdns losetup ${PACKAGE_EXTRA}" \
# Download USB, PCI and PCIe support \
&& ssh root@localhost -p $SSH_PORT "${PACKAGE_INSTALL} usbutils pciutils" \
# Download Wi-Fi access point support and Wi-Fi USB devices support \
&& ssh root@localhost -p $SSH_PORT "${PACKAGE_INSTALL} hostapd wpa-supplicant kmod-mt7921u" \
# Download celluar network support \
&& ssh root@localhost -p $SSH_PORT "${PACKAGE_INSTALL} modemmanager kmod-usb-net-qmi-wwan luci-proto-modemmanager qmi-utils" \
# Download basic GPS support \
&& ssh root@localhost -p $SSH_PORT "${PACKAGE_INSTALL} kmod-usb-serial minicom gpsd" \
# Add Wireguard support \
&& ssh root@localhost -p $SSH_PORT "${PACKAGE_INSTALL} wireguard-tools luci-proto-wireguard" \
# Add Power off script support \
&& ssh root@localhost -p $SSH_PORT "${PACKAGE_INSTALL} luci-app-advanced-reboot" \
\
# Add default network config \
&& ssh root@localhost -p $SSH_PORT "uci set network.lan.ipaddr='172.31.1.1/24'; uci commit network" \
\
# Add some files \
&& ssh root@localhost -p $SSH_PORT "${PACKAGE_INSTALL} openssh-sftp-server" \
&& chmod +x /var/vm/openwrt_additional/usr/bin/* \
&& scp -P $SSH_PORT /var/vm/openwrt_additional/usr/bin/* root@localhost:/usr/bin \
&& ssh root@localhost -p $SSH_PORT "${PACKAGE_REMOVE} openssh-sftp-server" \
\
# Sync changes into image and shutdown qemu \
&& ssh root@localhost -p $SSH_PORT 'sync; poweroff' \
&& while kill -0 $QEMU_PID 2>/dev/null; do echo "Waiting for qemu exit ..."; sleep 1; done \
\
&& gzip /var/vm/squashfs-combined-${OPENWRT_VERSION}.img \
\
&& echo "OPENWRT_VERSION=\"${OPENWRT_VERSION}\"" > /var/vm/openwrt_metadata.conf \
&& echo "OPENWRT_IMAGE_CREATE_DATETIME=\"`date`\"" >> /var/vm/openwrt_metadata.conf \
&& echo "OPENWRT_IMAGE_ID=\"`uuidgen`\"" >> /var/vm/openwrt_metadata.conf \
&& echo "OPENWRT_CPU_ARCH=\"${TARGETPLATFORM}\"" >> /var/vm/openwrt_metadata.conf \
&& echo "CONTAINER_CREATE_DATETIME=\"`date`\"" >> /var/vm/openwrt_metadata.conf
COPY --from=build-backend /usr/local/bin/qemu-openwrt-web-backend /usr/local/bin/qemu-openwrt-web-backend
COPY --from=build-frontend /usr/local/app/dist/openwrt-docker-web-gui /var/www/
COPY ./web-frontend/nginx* /var/www/
COPY ./src /run/
RUN chmod +x /run/*.sh
VOLUME /storage
EXPOSE 8006
EXPOSE 8000
EXPOSE 8022
HEALTHCHECK --start-period=10m CMD /run/healthcheck.sh
CMD ["/run/init_container.sh"]
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