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Christian Rebischke
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Merge pull request #66 from shibumi/shibumi/official-cloud-images
add support for cloud images
2 parents ec46f71 + 4c03420 commit 9d9f04f

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‎cloud.json‎

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{
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"variables": {
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"iso_url": "https://mirror.pkgbuild.com/iso/latest/archlinux-2019.10.01-x86_64.iso",
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"iso_checksum_url": "https://mirror.pkgbuild.com/iso/latest/sha1sums.txt",
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"iso_checksum_type": "sha1",
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"disk_size": "20480",
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"memory": "1024",
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"cpus": "2",
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"headless": "true",
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"write_zeroes": "",
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"boot_wait": "60s"
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},
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"builders": [
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{
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"name": "Arch-Linux-cloudimg-amd64-{{isotime \"2006-01-02\"}}.img",
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"type": "qemu",
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"output_directory": "release",
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"boot_wait": "{{user `boot_wait`}}",
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"http_directory": "http",
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"disk_size": "{{user `disk_size`}}",
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"iso_checksum_url": "{{user `iso_checksum_url`}}",
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"iso_checksum_type": "{{user `iso_checksum_type`}}",
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"iso_url": "{{user `iso_url`}}",
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"ssh_username": "arch",
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"ssh_password": "arch",
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"ssh_port": 22,
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"ssh_wait_timeout": "10000s",
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"shutdown_command": "sudo systemctl poweroff",
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"headless": "{{user `headless`}}",
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"qemuargs": [
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[
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"-m",
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"{{user `memory`}}"
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],
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[
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"-smp",
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"{{user `cpus`}}"
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]
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],
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"boot_command": [
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"<enter><wait10><wait10><wait10><wait10><wait10><enter><enter>",
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"curl -O 'http://{{.HTTPIP}}:{{.HTTPPort}}/install{,-cloud}.sh'<enter><wait>",
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"bash install.sh < install-cloud.sh && systemctl reboot<enter>"
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]
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}
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],
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"provisioners": [
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{
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"type": "shell",
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"scripts": [
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"provision/postinstall.sh",
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"provision/qemu.sh",
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"provision/cloud-init.sh",
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"provision/cleanup.sh"
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],
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"execute_command": "echo 'arch'|sudo -S sh '{{.Path}}'"
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},
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{
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"type": "shell",
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"scripts": [
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"provision/write_zeroes.sh"
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],
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"execute_command": "if [ ! -z \"{{user `write_zeroes`}}\" ]; then echo 'arch'|sudo -S sh '{{.Path}}'; fi"
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}
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],
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"post-processors": [
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[
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{
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"type": "checksum",
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"checksum_types": [
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"sha256"
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],
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"output": "Arch-Linux-cloudimg-amd64-{{isotime \"2006-01-02\"}}.SHA256"
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},
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{
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"type": "shell-local",
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"inline": [
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"mv release/packer-Arch-Linux-cloudimg-amd64-{{isotime \"2006-01-02\"}}.img release/Arch-Linux-cloudimg-amd64-{{isotime \"2006-01-02\"}}.img",
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"sed -i 's/packer-//' Arch-Linux-cloudimg-amd64-{{isotime \"2006-01-02\"}}.SHA256",
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"gpg --sign --detach-sign Arch-Linux-cloudimg-amd64-{{isotime \"2006-01-02\"}}.SHA256"
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]
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}
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]
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]
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}

‎http/install-cloud.sh‎

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#!/bin/bash
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set -e
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set -x
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ln -sf /usr/share/zoneinfo/UTC /etc/localtime
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sed -i -e 's/^#\(en_US.UTF-8\)/\1/' /etc/locale.gen
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locale-gen
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echo 'LANG=en_US.UTF-8' >/etc/locale.conf
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# setting arch user credentials
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echo -e 'arch\narch' | passwd
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useradd -m -U arch
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echo -e 'arch\narch' | passwd arch
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# setting automatic authentication for any action requiring admin rights via Polkit
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cat <<EOF >/etc/polkit-1/rules.d/49-nopasswd_global.rules
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polkit.addRule(function(action, subject) {
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if (subject.isInGroup("arch")) {
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return polkit.Result.YES;
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}
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});
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EOF
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# setting sudo for arch user
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cat <<EOF >/etc/sudoers.d/arch
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Defaults:arch !requiretty
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arch ALL=(ALL) NOPASSWD: ALL
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EOF
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chmod 440 /etc/sudoers.d/arch
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# setup unpredictable kernel names
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ln -s /dev/null /etc/systemd/network/99-default.link
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# setup network
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cat <<EOF >/etc/systemd/network/eth0.network
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[Match]
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Name=eth0
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[Network]
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DHCP=ipv4
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EOF
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# Setup pacman-init.service for clean pacman keyring initialization
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cat <<EOF >/etc/systemd/system/pacman-init.service
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[Unit]
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Description=Initializes Pacman keyring
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Wants=haveged.service
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After=haveged.service
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Before=sshd.service
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ConditionFirstBoot=yes
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[Service]
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Type=oneshot
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RemainAfterExit=yes
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ExecStart=/usr/bin/pacman-key --init
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ExecStart=/usr/bin/pacman-key --populate archlinux
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[Install]
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WantedBy=multi-user.target
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EOF
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# enabling important services
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systemctl daemon-reload
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systemctl enable sshd
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systemctl enable haveged
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systemctl enable systemd-networkd
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systemctl enable systemd-resolved
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systemctl enable pacman-init.service
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if [ -b "/dev/sda" ]; then
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grub-install /dev/sda
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elif [ -b "/dev/vda" ]; then
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grub-install /dev/vda
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fi
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sed -i -e 's/^GRUB_TIMEOUT=.*$/GRUB_TIMEOUT=1/' /etc/default/grub
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grub-mkconfig -o /boot/grub/grub.cfg

‎provision/cloud-init.sh‎

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#!/bin/bash
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set -e
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set -x
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sudo pacman -S --noconfirm cloud-init
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sudo systemctl enable cloud-init-local.service
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sudo systemctl enable cloud-init.service
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sudo systemctl enable cloud-config.service
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sudo systemctl enable cloud-final.service

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