#cloud-config
# Add the Docker Apt repository
apt:
  sources:
    docker.list:
      source: "deb [arch=amd64] https://download.docker.com/linux/ubuntu jammy stable"
      #7EA0A9C3F273FCD8
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# Run "apt update" on first boot
package_update: true

# Run "apt upgrade" on first boot
package_upgrade: true

# Install useful packages
packages:
  - openssh-server
  - avahi-daemon
  - vim-tiny
  - ufw
  - ca-certificates
  - curl
  - gnupg
  - lsb-release
  - docker-ce
  - docker-ce-cli
  - containerd.io
  - docker-compose-plugin
  - unattended-upgrades


# Make /etc/resolv.conf point to a different resolv.conf generated by
#  systemd-resolve.  The default only contains a "nameserver" entry for the
#  stub resolver.  This version contains a more traditional list of nameservers
#  generated from DHCP or other network configuation.  This is important for
#  making name resolution work properly inside the containers.
runcmd:
  # Put hostname into hosts file
  - echo "127.0.1.1\t$${q}(hostname) $${q}(hostname -f) ${VMNAME}" | tee -a /etc/hosts
  # Make /etc/resolv.conf point to a different resolv.conf generated by
  #  systemd-resolve.  The default only contains a "nameserver" entry for the
  #  stub resolver.  This version contains a more traditional list of
  #  nameservers generated from DHCP or other network configuation.  This is
  #  important for making name resolution work properly inside the containers.
  - unlink /etc/resolv.conf
  - ln -s /run/systemd/resolve/resolv.conf /etc/resolv.conf
  - sed -i 's/^.*DNSStubListener=.*/DNSStubListener=no/g' /etc/systemd/resolved.conf
  - systemctl restart systemd-resolved
  # Reconfigure SSH to allow password auth and generate new host keys
  - sed -i 's/^.*KbdInteractiveAuthentication.*/KbdInteractiveAuthentication yes/g' /etc/ssh/sshd_config
  - dpkg-reconfigure openssh-server
  - systemctl restart sshd
  # /tmp as tmpfs to improve performance and reduce SSD wear
  - echo 'tmpfs /tmp tmpfs rw,nosuid,nodev' | tee -a /etc/fstab
  # Enable unattended upgrades because I don't want to do them manually
  - echo unattended-upgrades unattended-upgrades/enable_auto_updates boolean true | debconf-set-selections
  - dpkg-reconfigure -f noninteractive unattended-upgrades
  - sed -i -e 's/\/\/.*"$${q}{distro_id}:$${q}{distro_codename}-updates";/\t"$${q}{distro_id}:$${q}{distro_codename}-updates";/g' /etc/apt/apt.conf.d/50unattended-upgrades
  - echo 'Unattended-Upgrade::Automatic-Reboot "true";' | tee -a /etc/apt/apt.conf.d/50unattended-upgrades
  # Start a portainer instance with docker
  - docker run -d -p 8000:8000 -p 9443:9443 --name portainer --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v /data:/data portainer/portainer-ce:latest

# Add a 10GiB Swap file (maybe make this a partition in future)
swap:
  filename: /swap.img
  size: 10737418240

# Create a default 'ubuntu' sudo enabled user.
users:
  - default

system_info:
  default_user:
    name: ubuntu
    #primary_group: ubuntu
    groups: [adm, audio, cdrom, dialout, floppy, video, plugdev, dip, netdev, sudo]
    # Set password to 'ubuntu'.  Change this once deployed.
    plain_text_passwd: 'ubuntu'
    shell: /bin/bash
    lock_passwd: false