├── .gitignore ├── CODEOWNERS ├── code-of-conduct.md ├── flatcar-linux-config.yml ├── Vagrantfile.template ├── Vagrantfile.builder-flatcar ├── ignition-builder.json ├── ignition-vagrant.json ├── Makefile ├── flatcar-linux.json ├── README.md └── LICENSE /.gitignore: -------------------------------------------------------------------------------- 1 | .vagrant 2 | builds 3 | packer_cache 4 | ignition.json 5 | -v.hwm 6 | -v.pwd 7 | -v.pwi 8 | Vagrantfile 9 | -------------------------------------------------------------------------------- /CODEOWNERS: -------------------------------------------------------------------------------- 1 | # CODEOWNERS file for flatcar-packer-qemu 2 | # This file defines who is responsible for code review 3 | # See: https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners 4 | 5 | * @flatcar/flatcar-maintainers 6 | -------------------------------------------------------------------------------- /code-of-conduct.md: -------------------------------------------------------------------------------- 1 | # Code of Conduct 2 | 3 | We follow the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/main/code-of-conduct.md). 4 | 5 | Please contact [private Maintainer mailing list](maintainers@flatcar-linux.org) or the Cloud Native Foundation mediator, conduct@cncf.io, to report an issue. -------------------------------------------------------------------------------- /flatcar-linux-config.yml: -------------------------------------------------------------------------------- 1 | passwd: 2 | users: 3 | - name: core 4 | ssh_authorized_keys: 5 | - ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key 6 | -------------------------------------------------------------------------------- /Vagrantfile.template: -------------------------------------------------------------------------------- 1 | # -*- mode: ruby -*- 2 | # vi: set ft=ruby sw=2 ts=2 : 3 | 4 | ENV["TERM"] = "xterm-256color" 5 | ENV["LC_ALL"] = "en_US.UTF-8" 6 | 7 | Vagrant.require_version '>= 2.0.0' 8 | 9 | Vagrant.configure('2') do |config| 10 | config.ssh.username = 'core' 11 | config.ssh.insert_key = true 12 | config.vm.synced_folder '.', '/vagrant', disabled: true 13 | config.vm.provider :libvirt do |libvirt| 14 | libvirt.cpus = 2 15 | libvirt.memory = 2048 16 | libvirt.driver = 'kvm' 17 | libvirt.host = '' 18 | libvirt.connect_via_ssh = false 19 | libvirt.storage_pool_name = 'default' 20 | end 21 | end 22 | -------------------------------------------------------------------------------- /Vagrantfile.builder-flatcar: -------------------------------------------------------------------------------- 1 | ENV["TERM"] = "xterm-256color" 2 | ENV["LC_ALL"] = "en_US.UTF-8" 3 | 4 | Vagrant.require_version '>= 2.0.4' 5 | 6 | Vagrant.configure('2') do |config| 7 | config.ssh.username = 'builder' 8 | config.ssh.insert_key = false 9 | config.ssh.private_key_path = ENV["VAGRANT_SSH_PRIVATE_KEY"] 10 | config.vm.box = 'flatcar-' + ENV["FLATCAR_CHANNEL"] + '-' + ENV["FLATCAR_VERSION"] 11 | config.vm.network :forwarded_port, guest: 22, host: 2222, id: "ssh" 12 | config.vm.synced_folder '.', '/vagrant', disabled: true 13 | config.vm.provider :virtualbox do |v| 14 | v.check_guest_additions = false 15 | v.functional_vboxsf = false 16 | v.cpus = 2 17 | v.memory = 3072 18 | end 19 | config.vm.provider :libvirt do |v| 20 | v.cpus = 2 21 | v.memory = 3072 22 | end 23 | config.vm.define 'vagrant-' + ENV["FLATCAR_CHANNEL"] do |c| 24 | end 25 | end 26 | -------------------------------------------------------------------------------- /ignition-builder.json: -------------------------------------------------------------------------------- 1 | { 2 | "ignition": { 3 | "config": {}, 4 | "security": { 5 | "tls": {} 6 | }, 7 | "timeouts": {}, 8 | "version": "2.2.0" 9 | }, 10 | "networkd": { 11 | "units": [ 12 | { 13 | "name": "yy-vmware.network", 14 | "dropins": [ 15 | { 16 | "name": "persistent-dhcp.conf", 17 | "contents": "[DHCP]\nClientIdentifier=mac" 18 | } 19 | ] 20 | } 21 | ] 22 | }, 23 | "passwd": { 24 | "users": [ 25 | { 26 | "groups": [ 27 | "wheel", 28 | "sudo", 29 | "docker" 30 | ], 31 | "name": "builder", 32 | "passwordHash": "$1$iy0TfVpV$YkL12Rk42daUGy40rvREt1", 33 | "sshAuthorizedKeys": ["BUILDERSSHAUTHKEY"] 34 | } 35 | ] 36 | }, 37 | "systemd": { 38 | "units": [ 39 | { 40 | "enable": true, 41 | "name": "docker.service" 42 | }, 43 | { 44 | "name": "update-engine.service", 45 | "mask": true 46 | }, 47 | { 48 | "name": "locksmithd.service", 49 | "mask": true 50 | } 51 | ] 52 | } 53 | } 54 | -------------------------------------------------------------------------------- /ignition-vagrant.json: -------------------------------------------------------------------------------- 1 | { 2 | "ignition": { 3 | "config": {}, 4 | "security": { 5 | "tls": {} 6 | }, 7 | "timeouts": {}, 8 | "version": "2.2.0" 9 | }, 10 | "networkd": {}, 11 | "passwd": { 12 | "users": [ 13 | { 14 | "groups": [ 15 | "wheel", 16 | "sudo", 17 | "docker" 18 | ], 19 | "name": "vagrant", 20 | "sshAuthorizedKeys": [ 21 | "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key" 22 | ] 23 | } 24 | ] 25 | }, 26 | "storage": { 27 | "files": [ 28 | { 29 | "filesystem": "root", 30 | "path": "/etc/flatcar/update.conf", 31 | "contents": { 32 | "source": "data:,%0AREBOOT_STRATEGY%3D%22reboot%22", 33 | "verification": {} 34 | }, 35 | "mode": 420 36 | } 37 | ] 38 | }, 39 | "systemd": { 40 | "units": [ 41 | { 42 | "enable": true, 43 | "name": "docker.service" 44 | } 45 | ] 46 | } 47 | } 48 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | PACKER_CMD ?= packer 2 | RELEASE ?= alpha 3 | VERSION ?= current 4 | DIGEST_URL ?= https://$(RELEASE).release.flatcar-linux.net/amd64-usr/current/flatcar_production_iso_image.iso.DIGESTS 5 | CONFIG ?= flatcar-linux-config.yml 6 | DISK_SIZE ?= 40000 7 | MEMORY ?= 2048M 8 | BOOT_WAIT ?= 45s 9 | CT_DOWNLOAD_URL ?= https://github.com/coreos/container-linux-config-transpiler/releases/download 10 | CT_VER ?= v0.7.0 11 | ARCH ?= $(shell uname -m) 12 | HEADLESS ?= false 13 | 14 | flatcar-linux: builds/flatcar-linux-$(RELEASE).qcow2 15 | 16 | builds/flatcar-linux-$(RELEASE).qcow2: 17 | $(eval ISO_CHECKSUM := $(shell curl -s "$(DIGEST_URL)" | grep "flatcar_production_iso_image.iso" | awk '{ print length, $$1 | "sort -rg"}' | awk 'NR == 1 { print $$2 }')) 18 | 19 | ct -pretty -in-file $(CONFIG) -out-file ignition.json 20 | 21 | $(PACKER_CMD) build -force \ 22 | -var 'flatcar_channel=$(RELEASE)' \ 23 | -var 'flatcar_version=$(VERSION)' \ 24 | -var 'iso_checksum=$(ISO_CHECKSUM)' \ 25 | -var 'iso_checksum_type=sha512' \ 26 | -var 'disk_size=$(DISK_SIZE)' \ 27 | -var 'memory=$(MEMORY)' \ 28 | -var 'boot_wait=$(BOOT_WAIT)' \ 29 | -var 'headless=$(HEADLESS)' \ 30 | flatcar-linux.json 31 | 32 | clean: 33 | rm -rf builds 34 | 35 | cache-clean: 36 | rm -rf packer_cache 37 | 38 | ct: /usr/local/bin/ct 39 | 40 | /usr/local/bin/ct: 41 | wget $(CT_DOWNLOAD_URL)/$(CT_VER)/ct-$(CT_VER)-$(ARCH)-unknown-linux-gnu -O /usr/local/bin/ct 42 | chmod +x /usr/local/bin/ct 43 | 44 | ct-update: ct-clean ct 45 | 46 | ct-clean: 47 | rm /usr/local/bin/ct 48 | 49 | .PHONY: clean cache-clean ct-clean 50 | -------------------------------------------------------------------------------- /flatcar-linux.json: -------------------------------------------------------------------------------- 1 | { 2 | "variables": { 3 | "flatcar_channel": "alpha", 4 | "flatcar_version": "current", 5 | "iso_checksum": "", 6 | "iso_checksum_type": "none", 7 | "disk_size": "40000", 8 | "memory": "2048M", 9 | "boot_wait": "45s", 10 | "headless": "false" 11 | }, 12 | 13 | "builders": [ 14 | { 15 | "type": "qemu", 16 | "iso_url": "https://{{user `flatcar_channel` }}.release.flatcar-linux.net/amd64-usr/current/flatcar_production_iso_image.iso", 17 | "iso_checksum": "{{ user `iso_checksum` }}", 18 | "iso_checksum_type": "{{ user `iso_checksum_type` }}", 19 | "output_directory": "builds", 20 | "shutdown_command": "sudo shutdown now", 21 | "disk_size": "{{ user `disk_size` }}", 22 | "format": "qcow2", 23 | "accelerator": "kvm", 24 | "vm_name": "flatcar-linux-{{user `flatcar_channel` }}.qcow2", 25 | "boot_wait": "{{user `boot_wait` }}", 26 | "ssh_username": "core", 27 | "ssh_password": "packer", 28 | "headless": "{{ user `headless` }}", 29 | "boot_command": [ 30 | "sudo passwd core", 31 | "packer", 32 | "packer", 33 | "sudo systemctl start sshd.service" 34 | ], 35 | "qemuargs": [ 36 | [ "-m", "{{user `memory` }}" ] 37 | ] 38 | } 39 | ], 40 | 41 | "provisioners": [ 42 | { 43 | "type": "file", 44 | "source": "ignition.json", 45 | "destination": "/tmp/ignition.json" 46 | }, 47 | { 48 | "type": "shell", 49 | "inline": [ 50 | "sudo flatcar-install -d /dev/vda -C {{ user `flatcar_channel` }} -i /tmp/ignition.json" 51 | ] 52 | } 53 | ], 54 | 55 | "post-processors": [ 56 | { 57 | "type": "vagrant", 58 | "keep_input_artifact": true, 59 | "output": "builds/flatcar-{{user `flatcar_channel`}}-{{user `flatcar_version`}}-{{.Provider}}.box", 60 | "vagrantfile_template": "Vagrantfile.template" 61 | } 62 | ] 63 | } 64 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 |
2 | 3 | [![Flatcar OS](https://img.shields.io/badge/Flatcar-Website-blue?logo=data:image/svg+xml;base64,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)](https://www.flatcar.org/) 4 | [![Matrix](https://img.shields.io/badge/Matrix-Chat%20with%20us!-green?logo=matrix)](https://app.element.io/#/room/#flatcar:matrix.org) 5 | [![Slack](https://img.shields.io/badge/Slack-Chat%20with%20us!-4A154B?logo=slack)](https://kubernetes.slack.com/archives/C03GQ8B5XNJ) 6 | [![Twitter Follow](https://img.shields.io/twitter/follow/flatcar?style=social)](https://x.com/flatcar) 7 | [![Mastodon Follow](https://img.shields.io/badge/Mastodon-Follow-6364FF?logo=mastodon)](https://hachyderm.io/@flatcar) 8 | [![Bluesky](https://img.shields.io/badge/Bluesky-Follow-0285FF?logo=bluesky)](https://bsky.app/profile/flatcar.org) 9 | 10 |
11 | 12 | # flatcar-packer-qemu 13 | 14 | A basic Packer template, Makefile and ignition config file to build QEMU images and a Vagrant box for [Flatcar Linux](https://flatcar-linux.org/). 15 | 16 | # Installation 17 | Verify that you have [Packer](https://www.packer.io/intro/getting-started/install.html) installed. 18 | 19 | ``` 20 | $ packer -v 21 | ``` 22 | 23 | Verify that you have [ct](https://github.com/coreos/container-linux-config-transpiler) installed, or use the `ct` target to install it to `/usr/local/bin` for you: 24 | ``` 25 | $ sudo make ct 26 | ``` 27 | 28 | For all options to customize the image properties, see the [Makefile](Makefile) variables. 29 | 30 | ### Basic example using defaults (alpha release) 31 | 32 | ``` 33 | $ make flatcar-linux 34 | ``` 35 | 36 | ### Building the stable release 37 | ``` 38 | $ make flatcar-linux RELEASE=stable VERSION=1632.3.0 39 | ``` 40 | 41 | ### Building in headless mode 42 | ``` 43 | $ make flatcar-linux HEADLESS=true 44 | ``` 45 | 46 | ### Other make targets 47 | 48 | Delete builds: 49 | 50 | ``` 51 | $ make clean 52 | ``` 53 | 54 | Delete the packer cache (making packer download the latest iso image on next build): 55 | 56 | ``` 57 | $ make cache-clean 58 | ``` 59 | 60 | ### Running the Vagrant box using libvirt as provider 61 | 62 | ``` 63 | $ vagrant up --provider=libvirt 64 | ``` 65 | 66 | ## Other works 67 | 68 | This repository is based on other works such as https://github.com/dyson/packer-qemu-coreos-container-linux or https://github.com/bfraser/packer-coreos-qemu . 69 | 70 | -------------------------------------------------------------------------------- /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. 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