Build Piano LED Visualizer Image #4
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| name: Build Piano LED Visualizer Image | |
| on: | |
| workflow_dispatch: | |
| jobs: | |
| build-image: | |
| runs-on: ubuntu-latest | |
| timeout-minutes: 60 | |
| steps: | |
| - name: Set up QEMU | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y qemu-user-static | |
| docker run --rm --privileged multiarch/qemu-user-static --reset -p yes | |
| - name: Download base image | |
| run: | | |
| wget https://downloads.raspberrypi.com/raspios_lite_armhf/images/raspios_lite_armhf-2024-11-19/2024-11-19-raspios-bookworm-armhf-lite.img.xz | |
| unxz 2024-11-19-raspios-bookworm-armhf-lite.img.xz | |
| mv 2024-11-19-raspios-bookworm-armhf-lite.img raspi.img | |
| - name: Prepare image | |
| run: | | |
| # Expand image by 1GB | |
| dd if=/dev/zero bs=1G count=1 >> raspi.img | |
| sudo losetup -fP raspi.img | |
| LOOPDEV=$(sudo losetup -j raspi.img | cut -d: -f1) | |
| sudo parted $LOOPDEV resizepart 2 100% | |
| sudo e2fsck -y -f ${LOOPDEV}p2 # Added "-y" for auto-repair | |
| sudo resize2fs ${LOOPDEV}p2 | |
| - name: Mount image | |
| run: | | |
| mkdir -p rootfs | |
| sudo mount ${LOOPDEV}p2 rootfs | |
| sudo mount ${LOOPDEV}p1 rootfs/boot | |
| - name: Basic configuration | |
| run: | | |
| # Set hostname | |
| echo "pianoledvisualizer" | sudo tee rootfs/etc/hostname | |
| sudo sed -i 's/raspberrypi/pianoledvisualizer.local/g' rootfs/etc/hosts | |
| # Create user | |
| sudo chroot rootfs useradd -m -G sudo -s /bin/bash plv | |
| echo "plv:visualizer" | sudo chroot rootfs chpasswd | |
| # Remove pi user | |
| sudo chroot rootfs userdel -r pi | |
| - name: Install dependencies | |
| run: | | |
| sudo cp /usr/bin/qemu-arm-static rootfs/usr/bin/ | |
| sudo mount -t proc /proc rootfs/proc | |
| sudo mount -t sysfs /sys rootfs/sys | |
| sudo mount -o bind /dev rootfs/dev | |
| sudo chroot rootfs /bin/bash -c " \ | |
| apt-get update && \ | |
| apt-get upgrade -y && \ | |
| apt-get install -y git wget python3-pip libopenblas-dev \ | |
| libatlas-base-dev libavahi-client-dev libasound2-dev \ | |
| libusb-dev libdbus-1-dev libglib2.0-dev libudev-dev \ | |
| libical-dev libreadline-dev fonts-freefont-ttf \ | |
| libopenjp2-7 libtiff6 libjack0 libjack-dev autoconf \ | |
| libtool make gcc build-essential scons swig abcmidi && \ | |
| systemctl mask ssh switch-root.service && \ | |
| apt-get clean && \ | |
| rm -rf /var/lib/apt/lists/*" | |
| - name: Install RTP-MIDI | |
| run: | | |
| sudo chroot rootfs /bin/bash -c " \ | |
| cd /tmp && \ | |
| wget https://github.com/davidmoreno/rtpmidid/releases/download/v24.12/rtpmidid_24.12.2_armhf.deb && \ | |
| dpkg -i rtpmidid_24.12.2_armhf.deb && \ | |
| apt -f install -y && \ | |
| systemctl enable rtpmidid && \ | |
| rm rtpmidid_24.12.2_armhf.deb" | |
| - name: Configure system | |
| run: | | |
| # Disable audio | |
| sudo sed -i 's/dtparam=audio=on/#dtparam=audio=on/' rootfs/boot/config.txt | |
| echo "blacklist snd_bcm2835" | sudo tee rootfs/etc/modprobe.d/snd-blacklist.conf | |
| # Enable SPI | |
| echo "dtparam=spi=on" | sudo tee -a rootfs/boot/config.txt | |
| # Create autoconnect script | |
| sudo cp -v connectall.py rootfs/usr/local/bin/connectall.py | |
| sudo chmod +x rootfs/usr/local/bin/connectall.py | |
| - name: Install Piano LED Visualizer | |
| run: | | |
| sudo chroot rootfs /bin/bash -c " \ | |
| git clone https://github.com/onlaj/Piano-LED-Visualizer /home/plv/Piano-LED-Visualizer && \ | |
| pip3 install -r /home/plv/Piano-LED-Visualizer/requirements.txt" | |
| # Configure service | |
| echo "[Unit] | |
| Description=Piano LED Visualizer | |
| After=network-online.target | |
| Wants=network-online.target | |
| [Install] | |
| WantedBy=multi-user.target | |
| [Service] | |
| ExecStart=sudo python3 /home/plv/Piano-LED-Visualizer/visualizer.py | |
| Restart=always | |
| Type=simple | |
| User=plv | |
| Group=plv" | sudo tee rootfs/etc/systemd/system/visualizer.service | |
| sudo chroot rootfs systemctl enable visualizer.service | |
| - name: Clean up | |
| run: | | |
| sudo umount rootfs/dev | |
| sudo umount rootfs/sys | |
| sudo umount rootfs/proc | |
| sudo umount rootfs/boot | |
| sudo umount rootfs | |
| sudo losetup -d $LOOPDEV | |
| - name: Shrink image | |
| run: | | |
| wget https://raw.githubusercontent.com/Drewsif/PiShrink/master/pishrink.sh | |
| chmod +x pishrink.sh | |
| sudo ./pishrink.sh -z raspi.img plv.img | |
| - name: Upload artifact | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: plv | |
| path: plv.img |