#cloud-config
hostname: ${hostname}
manage_etc_hosts: true

# Kernel modules for container networking
write_files:
  - path: /etc/modules-load.d/k8s.conf
    content: |
      overlay
      br_netfilter
  - path: /etc/sysctl.d/k8s.conf
    content: |
      net.bridge.bridge-nf-call-iptables  = 1
      net.bridge.bridge-nf-call-ip6tables = 1
      net.ipv4.ip_forward                 = 1

packages:
  - curl
  - gpg
  - apt-transport-https

runcmd:
  - modprobe overlay
  - modprobe br_netfilter
  - sysctl --system
  - swapoff -a
  - sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab