Raspberry Pi K8S disks

customize.sh

#!/bin/bash
set -x

# Localse, uncomment if user-data didn't fix these
export LANGUAGE=en_US.UTF-8; export LANG=en_US.UTF-8; export LC_ALL=en_US.UTF-8; locale-gen en_US.UTF-8

# Set locale to en_US.UTF-8
sudo cp /etc/locale.gen /etc/locale.gen.dist
sudo sed -i -e "/^[^#]/s/^/#/" -e "/en_US.UTF-8/s/^#//" /etc/locale.gen

cp /var/cache/debconf/config.dat /var/cache/debconf/config.dat.dist
sudo sed -i -e "s/Value: en_GB.UTF-8/Value: en_US.UTF-8/" \
       -e "s/ locales = en_GB.UTF-8/ locales = en_US.UTF-8/" /var/cache/debconf/config.dat

sudo locale-gen
sudo update-locale LANG=en_US.UTF-8

exec "$BASH" <<EOF
set -x
# Updates
## Add the missing raspbian repo
echo "deb http://mirrordirector.raspbian.org/raspbian/ stretch main contrib non-free rpi firmware" | sudo tee -a /etc/apt/sources.list.d/raspi.list
sudo apt-get update -qq
## Get proper keys & update
sudo apt-get install -qy --force-yes debian-archive-keyring debian-keyring
sudo apt-get update -qq
## Run upgrades
export DEBIAN_FRONTEND=noninteractive
sudo apt-get dist-upgrade -qy --force-yes
# Install packages
## This installs some "handy" packages (vim, git, wget, curl)
## Along with avahi/netatalk so we can access the nodes by name
## Finally we add cloud-init to ease the flashing process
sudo apt-get install -qy \
    vim \
    git \
    wget \
    curl \
    unzip \
    avahi-daemon \
    dirmngr \
    cloud-init \
    netatalk
# Configure cloud-init
mkdir -p /var/lib/cloud/seed/nocloud-net
ln -s /boot/user-data /var/lib/cloud/seed/nocloud-net/user-data
ln -s /boot/meta-data /var/lib/cloud/seed/nocloud-net/meta-data

# Docker install
## Install Docker
curl -sSL get.docker.com | sh && \
sudo usermod pi -aG docker
## Roll back Docker version for k8s
sudo apt-get autoremove -y --purge docker-ce
sudo rm -rf /var/lib/docker
sudo apt-get install -y docker-ce=17.09.0~ce-0~raspbian

# Enable ssh for remote access
sudo systemctl enable ssh
sudo systemctl start ssh
EOF%

k8s_base.json

{
    "variables": {
    },
    "builders": [{
      "type": "arm-image",
      "iso_url" : "https://downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2017-12-01/2017-11-29-raspbian-stretch-lite.zip",
      "iso_checksum_type":"sha256",
      "iso_checksum":"e942b70072f2e83c446b9de6f202eb8f9692c06e7d92c343361340cc016e0c9f",
      "last_partition_extra_size" : 1073741824
    }],
    "provisioners": [
    {
      "type": "shell",
      "script": "/vagrant/customize.sh"
    }
    ]
  }

user-data.yml

#cloud-config
# vim: syntax=yaml
#

hostname: hostname
manage_etc_hosts: true

resize_rootfs: true
growpart:
    mode: auto
    devices: ["/"]
    ignore_growroot_disabled: false

users:
  - name: pi
    gecos: "DefaultUser"
    sudo: ALL=(ALL) NOPASSWD:ALL
    shell: /bin/bash
    groups: users,docker,video
    ssh-authorized-keys:
      - ssh-rsa REDACTED
    lock_passwd: false
    ssh_pwauth: false
    chpasswd: { expire: false }

# WiFi connect to HotSpot
write_files:
  - content: |
      allow-hotplug eth0
      auto eth0
      iface eth0 inet static
        address 192.168.1.101
        netmask 255.255.255.0
        gateway 192.168.1.1
    path: /etc/network/interfaces.d/eth0

    # These commands will be ran once on first boot only
runcmd:
  # Pickup the hostname changes
  - 'systemctl disable dhcpcd'
  - 'systemctl enable networking'
  - 'systemctl restart avahi-daemon'
power_state:
 delay: "+10"
 mode: reboot
 message: cloud-init complete
 timeout: 120
 condition: True