├── rasp.png ├── scripts ├── .bash_profile ├── .xinitrc ├── splashscreen.service └── run.sh ├── .gitignore ├── packer-raspberry-pi-os-lite.json ├── README.md └── LICENSE /rasp.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/source4learn/raspberry-pi-os-image-builder/HEAD/rasp.png -------------------------------------------------------------------------------- /scripts/.bash_profile: -------------------------------------------------------------------------------- 1 | if [ -z $DISPLAY ] && [ $(tty) = /dev/tty1 ] 2 | then 3 | startx >/dev/null 2>&1 4 | fi 5 | -------------------------------------------------------------------------------- /scripts/.xinitrc: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | sudo /usr/bin/fbi -d /dev/fb0 --vt 1 --noverbose -a /home/pi/rasp.png 4 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Cache objects 2 | packer-builder-arm-image 3 | output-arm-image 4 | packer_cache/ 5 | 6 | # Crash log 7 | crash.log 8 | 9 | # For built boxes 10 | *.box 11 | -------------------------------------------------------------------------------- /scripts/splashscreen.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=Splash screen 3 | DefaultDependencies=no 4 | After=local-fs.target 5 | [Service] 6 | Type=forking 7 | ExecStart=sudo /usr/bin/fbi -d /dev/fb0 --vt 1 --noverbose -a /home/pi/rasp.png & 8 | [Install] 9 | WantedBy=sysinit.target 10 | -------------------------------------------------------------------------------- /scripts/run.sh: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | echo "Modify Raspberry Pi Configurations" 3 | sed -i 's/^session[ \t]*optional[ \t]*pam_lastlog.so/#session optional pam_lastlog.so/' /etc/pam.d/login 4 | sed -i 's/^session[ \t]*optional[ \t]*pam_motd.so[ /t]*motd=\/run\/motd.dynamic/#session optional pam_motd.so motd=\/run\/motd.dynamic/' /etc/pam.d/login 5 | sed -i 's/^session[ \t]*optional[ \t]*pam_motd.so[ /t]*noupdate/#session optional pam_motd.so noupdate/' /etc/pam.d/login 6 | sed -i 's/^ExecStart=-\/sbin\/agetty.* --noclear %I \$TERM/ExecStart=-\/sbin\/agetty --skip-login --noclear --noissue --login-options "-f pi" %I $TERM/' /lib/systemd/system/getty@.service 7 | sed -i '/^_IP=[\$]*/,+3 s/^/#/' /etc/rc.local 8 | sed -i '/^exit[ /t]*0/i dmesg --console-off\n' /etc/rc.local 9 | 10 | echo "Enable Raspberry Pi Default Services" 11 | systemctl enable ssh 12 | systemctl enable getty@ 13 | systemctl enable splashscreen 14 | -------------------------------------------------------------------------------- /packer-raspberry-pi-os-lite.json: -------------------------------------------------------------------------------- 1 | { 2 | "variables": { 3 | }, 4 | "builders": [ 5 | { 6 | "type": "arm-image", 7 | "iso_url": "https://downloads.raspberrypi.org/raspios_lite_armhf/images/raspios_lite_armhf-2021-03-25/2021-03-04-raspios-buster-armhf-lite.zip", 8 | "iso_checksum": "sha256:ea92412af99ec145438ddec3c955aa65e72ef88d84f3307cea474da005669d39", 9 | "target_image_size": 2147483648 10 | } 11 | ], 12 | "provisioners": [ 13 | { 14 | "type": "file", 15 | "source": "./rasp.png", 16 | "destination": "/home/pi/rasp.png" 17 | }, 18 | { 19 | "type": "file", 20 | "source": "./scripts/.bash_profile", 21 | "destination": "/home/pi/.bash_profile" 22 | }, 23 | { 24 | "type": "file", 25 | "source": "./scripts/.xinitrc", 26 | "destination": "/home/pi/.xinitrc" 27 | }, 28 | { 29 | "type": "file", 30 | "source": "./scripts/splashscreen.service", 31 | "destination": "/etc/systemd/system/splashscreen.service" 32 | }, 33 | { 34 | "type": "shell", 35 | "inline": [ 36 | "echo 'Install APT Packages'", 37 | "echo nameserver 8.8.8.8 > /etc/resolv.conf", 38 | "apt-get update", 39 | "apt-get -y install --no-install-recommends xserver-xorg-video-all xserver-xorg-input-all xserver-xorg-core xinit x11-xserver-utils fbi curl", 40 | "rm -f /etc/motd", 41 | "chown pi:pi -R /home/pi/" 42 | ] 43 | }, 44 | { 45 | "type": "shell", 46 | "script": "./scripts/run.sh" 47 | } 48 | ] 49 | } 50 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Raspberry Pi OS Image with Packer 2 | In this setup, we will see how to create a custom Raspberry Pi image using Packer and its ARM builder plugin. This will let you modify the existing ARM image, provisioning and resize the filesystem partition in the Raspberry Pi as needed. 3 | 4 | ## Prerequisites 5 | 6 | * Ubuntu 18.04/20.04 LTS 7 | * Git 8 | * Packer 9 | * Packer ARM Builder Plugin 10 | 11 | ## Dependencies 12 | Before we start building, you need to install the required dependencies on your host machine(Ubuntu 18.04/20.04 LTS). Just follow the steps given below to set up the build environment: 13 | 14 | Install the required binaries on the host machine. 15 | 16 | sudo apt update 17 | sudo apt install git wget zip unzip build-essential kpartx qemu binfmt-support qemu-user-static e2fsprogs dosfstools 18 | 19 | 20 | Download the Packer from the official website and configure it on your host machine. 21 | 22 | For Ubuntu x64 based hosts 23 | 24 | export PACKER_RELEASE="1.6.6" 25 | cd /tmp/ 26 | wget https://releases.hashicorp.com/packer/${PACKER_RELEASE}/packer_${PACKER_RELEASE}_linux_amd64.zip 27 | unzip packer_${PACKER_RELEASE}_linux_amd64.zip 28 | sudo mv packer /usr/local/bin 29 | packer --version 30 | 31 | Alternatively, you can install Packer using apt packer managers. Follow the instructions from official Hashicorp documentation - https://learn.hashicorp.com/tutorials/packer/get-started-install-cli?in=packer/docker-get-started. 32 | 33 | Download the Packer ARM builder plugin and configure the same on the host machine. 34 | 35 | export PACKER_ARM_BUILDER_VERSION="0.1.6" 36 | cd /tmp/ 37 | wget https://github.com/solo-io/packer-builder-arm-image/releases/download/v${PACKER_ARM_BUILDER_VERSION}/packer-builder-arm-image 38 | sudo mv packer-builder-arm-image /usr/local/bin 39 | sudo chmod +x /usr/local/bin/packer-builder-arm-image 40 | 41 | ## Start building ARM image 42 | 43 | For building the ARM image, the Packer uses the provisioners to mount the image on your local file system and to make changes in the base ARM image. 44 | 45 | Clone the codebase from the GitHub repository and follow the instructions for building ARM images using Packer. Go to the `raspberry-pi-os-image-builder` directory and execute the Packer build command. 46 | 47 | # Clone GitHub repository 48 | git clone git@github.com:source4learn/raspberry-pi-os-image-builder.git 49 | cd raspberry-pi-os-image-builder 50 | sudo packer build packer-raspberry-pi-os-lite.json 51 | 52 | Verify the file location and size once Packer build is completed. Archive the output image file to reduce the size on disk. 53 | 54 | # Check file location and size 55 | ls -la output-arm-image/image# Check file size 56 | du -hs output-arm-image/image 57 | 58 | # Create zip archive 59 | zip -r rpi-arm-image.zip output-arm-image/image 60 | 61 | Use the Raspberry Pi Imager or any other tool to create a bootable SD card. 62 | 63 | ## Summary 64 | 65 | If you encounter an error or problem in this setup, please report in the GitHub repository issues. Reach us in case you need any further assistance. 66 | 67 | Email: source4learn@gmail.com 68 | 69 | Twitter: @source4learn 70 | 71 | LinkedIn: linkedin.com/in/source4learn 72 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. 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