A set of scripts to automate formatting/installing and configuring a raspberry pi sd card.

alarm-configure-script

#!/bin/bash
set -euo pipefail

error() {
  local parent_lineno="$1"
  local code="${3:-1}"
  echo "Error on or near line ${parent_lineno}; exiting with status ${code}"
  exit "${code}"
}
trap 'error ${LINENO}' ERR

if [ -t 1 ] ; then echo terminal; fi

hostname=${1-}
[ -z "${hostname}" ] && ( echo "hostname not set"; exit 1 )
username=${2-}
[ -z "${username}" ] && ( echo  "username not set"; exit 1 )
password=${3-}
[ -z "${password}" ] && ( echo  "password not set"; exit 1 )
ssid=${4-}
[ -z "${ssid}" ] && ( echo  "wifi ssid not set"; exit 1 )
wifi_password=${5-}
[ -z "${wifi_password}" ] && ( echo "wifi password not set"; exit 1 )

# configure hostname
echo ${hostname} > /etc/hostname

# install some useful packages
pacman -Syu --noconfirm vim bash-completion

# rename default user
sed -i "s/alarm/${username}/g" /etc/passwd /etc/group /etc/shadow
mv /home/alarm "/home/${username}"
echo -e "${password}\n${password}" | passwd "${username}"

# enable sudo for user
pacman -S --noconfirm sudo
echo '%wheel ALL=(ALL) ALL' >> /etc/sudoers.d/wheel

# lock root account (you can still use `sudo -i` to get a root shell)
passwd -l root

# setup zsh
pacman -Syu --noconfirm zsh grml-zsh-config
chsh -s /usr/bin/zsh root
chsh -s /usr/bin/zsh "${username}"
cp /etc/skel/.zshrc /root/
cp /etc/skel/.zshrc "/home/${username}/"

# enable camera
sed -i 's/gpu_mem=.*/gpu_mem=128/' /boot/config.txt
grep 'start_file=start_x.elf' /boot/config.txt >/dev/null || echo 'start_file=start_x.elf' >> /boot/config.txt
grep 'fixup_file=fixup_x.dat' /boot/config.txt >/dev/null || echo 'fixup_file=fixup_x.dat' >> /boot/config.txt

# setup networking
pacman -S --noconfirm wpa_supplicant wpa_actiond ifplugd crda dialog
ln -sf /usr/lib/systemd/system/netctl-auto@.service /etc/systemd/system/multi-user.target.wants/netctl-auto@wlan0.service
ln -sf /usr/lib/systemd/system/netctl-ifplugd@.service /etc/systemd/system/multi-user.target.wants/netctl-ifplugd@eth0.service
cat <<EOF >"/etc/netctl/wlan0-${ssid}"
Description='Automatically generated profile by install script'
Interface=wlan0
Connection=wireless
Security=wpa
ESSID="${ssid}"
IP=dhcp
Key="${wifi_password}"
EOF

# enable zero-conf dns
pacman -S --noconfirm avahi nss-mdns
sed -i '/^hosts: /s/files dns/files mdns dns/' /etc/nsswitch.conf
ln -sf /usr/lib/systemd/system/avahi-daemon.service /etc/systemd/system/multi-user.target.wants/avahi-daemon.service

rpi-alarm-create-img

#!/bin/bash

# Copyright (c) 2015 Michael Daffin

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

set -uo pipefail
trap 's=$?; echo "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR
IFS=$'\n\t'

usage() {
  echo "Usage: $0 FILE SIZE SCRIPT [SCRIPT_ARGUMENTS]"
  exit 1
}

file="${1-}"
size="${2-}"
script="${3-}"
[ -z "${file}" ] && usage
[ -z "${size}" ] && usage
[ -z "${script}" ] && usage
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
shift 3

cleanup() {
  [ -n "${loop_dev}" ] && losetup --detach "${loop_dev}"
}
trap cleanup EXIT

fallocate -l "${size}" "${file}"
loop_dev=$(losetup --find --show "${file}")
${DIR}/rpi-alarm-install "${loop_dev}" "${script}" $@ <&0

rpi-alarm-install

#!/bin/bash

# Copyright (c) 2015 Michael Daffin
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

set -uo pipefail
trap 's=$?; echo "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR
IFS=$'\n\t'

usage() {
  echo "Usage: $0 <DEVICE> [rpi1] <INSTALL_SCRIPT>"
  exit 1
}

device="${1-}"
[ -z "${device}" ] && usage
shift

rpi_url="http://archlinuxarm.org/os/ArchLinuxARM-rpi-2-latest.tar.gz"
rpi_tar="ArchLinuxARM-rpi-2-latest.tar.gz"

if [[ "${1-}" == "rpi1" ]]; then
  rpi_url="http://archlinuxarm.org/os/ArchLinuxARM-rpi-latest.tar.gz"
  rpi_tar="ArchLinuxARM-rpi-latest.tar.gz"
  shift
fi

script="${1-}"
[ -z "${script}" ] && usage
shift

[ ! -f "${rpi_tar}" ] && wget "${rpi_url}"
mount="$(mktemp -d)"

cleanup() {
  if [[ -d "${mount}" ]]; then
    ${DIR}/rpi-unmount "${mount}" || true
    rmdir "${mount}" || true
  fi
}
trap cleanup EXIT

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

${DIR}/rpi-format-sd "${device}"
${DIR}/rpi-mount "${device}" "${mount}"

tar -xpf "${rpi_tar}" -C ${mount} 2> >(grep -v "Ignoring unknown extended header keyword")
cp "${script}" "${mount}/tmp/${script}"
chmod +x "${mount}/tmp/${script}"
${DIR}/rpi-chroot "${mount}" "/tmp/${script}" $@ <&0
rm "${mount}/tmp/${script}"

rpi-chroot

#!/bin/bash

# Copyright (c) 2015 Michael Daffin

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

set -uo pipefail
trap 's=$?; echo "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR
IFS=$'\n\t'

root_dir="${1-}"
shift
[[ -n "${root_dir}" ]] || { echo "Usage: $0 NEW_ROOT [COMMAND]"; exit 1; }
[[ -d "${root_dir}" ]] || { echo "${root_dir} does not exist"; exit 1; }

cleanup() {
  umount ${root_dir}/dev
  umount ${root_dir}/proc
  umount ${root_dir}/sys
  [ "${real_device}" = true ] || umount ${root_dir}
}
trap cleanup EXIT

if mountpoint ${root_dir} >/dev/null; then
  real_device=true
else
  real_device=false
fi

[ "${real_device}" = true ] || mount -o bind ${root_dir} ${root_dir}
mount -t proc none ${root_dir}/proc
mount -t sysfs none ${root_dir}/sys
mount -o bind /dev ${root_dir}/dev

rm ${root_dir}/etc/resolv.conf
cp /etc/resolv.conf ${root_dir}/etc/resolv.conf
cp /usr/bin/qemu-arm-static ${root_dir}/usr/bin/

chroot ${root_dir} $@ <&0

rpi-format-sd

#!/bin/bash

# Copyright (c) 2015 Michael Daffin

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

set -uo pipefail
trap 's=$?; echo "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR
IFS=$'\n\t'

device="${1-}"
[ -z "${device}" ] && { echo "Usage: $0 DEVICE"; exit 1; }

parted --script ${device} mklabel msdos
parted --script ${device} mkpart primary fat32 0% 100M
parted --script ${device} mkpart primary ext4 100M 100%

bootdev=$(ls "${device}"*1)
rootdev=$(ls "${device}"*2)

mkfs.vfat -F32 "${bootdev}" >/dev/null
mkfs.ext4 -F "${rootdev}" >/dev/null

echo "bootdev=${bootdev}"
echo "rootdev=${rootdev}"

rpi-mount

#!/bin/bash

# Copyright (c) 2015 Michael Daffin

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

set -uo pipefail
trap 's=$?; echo "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR
IFS=$'\n\t'

usage() {
  echo "Usage: $0 DEVICE MOUNT_POINT"
  exit 1
}

device="${1-}"
mount="${2-}"

[ -z "${device}" ] && usage
[ -z "${mount}" ] && usage
[ ! -d "${mount}" ] && mkdir "${mount}"

bootdev=$(ls "${device}"*1)
rootdev=$(ls "${device}"*2)

echo "${rootdev}"
echo "${bootdev}"

mount "${rootdev}" "${mount}"
[ ! -d "${mount}/boot" ] && mkdir "${mount}/boot"
mount "${bootdev}" "${mount}/boot"

rpi-unmount

#!/bin/bash

# Copyright (c) 2015 Michael Daffin

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

set -uo pipefail
trap 's=$?; echo "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR
IFS=$'\n\t'

mount="${1-}"
[ -z "${mount}" ] && { echo "Usage: $0 MOUNT_POINT"; exit 1; }

umount "${mount}/boot"
umount "${mount}"

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure(2) do |config|
  config.vm.box = "ubuntu/trusty64"
  config.vm.provision "shell", inline: <<-SHELL
    apt-get update -y
    apt-get install -y qemu qemu-user-static binfmt-support
  SHELL
end