cloud-init-config-template.yaml

#cloud-config
# vim: syntax=yaml
#

# The current version of cloud-init in the Hypriot rpi-64 is 0.7.9
# When dealing with cloud-init, it is SUPER important to know the version
# I have wasted many hours creating servers to find out the module I was
# trying to use wasn't in the cloud-init version I had
# Documentation: http://cloudinit.readthedocs.io/en/0.7.9/index.html

# Set your hostname here, the manage_etc_hosts will update the hosts file entries as well
hostname: ${HOSTNAME}
manage_etc_hosts: true
apt_preserve_sources_list: true

# You could modify this for your own user information
users:
  - name: ${USERNAME}
    gecos: "Grrrrr"
    sudo: ALL=(ALL) NOPASSWD:ALL
    shell: /bin/bash
    primary-group: users
    groups: users,docker,adm,dialout,audio,plugdev,netdev,video
    plain_text_passwd: ${PASSWORD}
    ssh-import-id: None
    lock_passwd: false
    ssh_pwauth: true
    chpasswd: { expire: false }
    ssh-authorized-keys:
      - ${SSH_PUBLIC_KEY}

# # Set the locale of the system
locale: "en_US.UTF-8"

# # Set the timezone
# # Value of 'timezone' must exist in /usr/share/zoneinfo
timezone: "${TIMEZONE}"

# # Update apt packages on first boot
# package_update: true
# package_upgrade: true
# package_reboot_if_required: true
package_upgrade: false

# # Install any additional apt packages you need here
packages:
 - ntp
 - ufw
 - vim

# # WiFi connect to HotSpot
# To make wifi work with RPi3 and RPi0
# you also have to set "enable_uart=0" in config.txt
# See no-uart-config.txt for an example.
#
# # - use `wpa_passphrase SSID PASSWORD` to generate the psk
write_files:
  - content: |
      allow-hotplug wlan0
      iface wlan0 inet dhcp
      wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
      iface default inet dhcp
    path: /etc/network/interfaces.d/wlan0
  - content: |
      country=${WIFI_COUNTRY}
      ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
      update_config=1
      network={
      ssid="${WIFI_SSID_NAME}"
      psk=${WIFI_PASSWORD}
      proto=RSN
      key_mgmt=WPA-PSK
      pairwise=CCMP
      auth_alg=OPEN
      }
    path: /etc/wpa_supplicant/wpa_supplicant.conf
  - content: |
      persistent
      # Generate Stable Private IPv6 Addresses instead of hardware based ones
      slaac private
      # static IP configuration:
      interface eth0
      static ip_address=${IP_ADDRESS}
      # static ip6_address=fd51:42f8:caae:d92e::ff/64
      static routers=${IP_ROUTE}
      static domain_name_servers=${IP_DNS_SERVERS}
    path: /etc/dhcpcd.conf

# These commands will be ran once on first boot only
runcmd:
  # Pickup the hostname changes
  - 'systemctl restart avahi-daemon'

  # Activate WiFi interface
  - 'ifup wlan0'

  # Only move stuff to SWAP when you are completely OUT of RAM.
  - 'echo vm.swappiness=0 | tee -a /etc/sysctl.conf'