package_update: true
package_upgrade: true
package_reboot_if_required: true

packages:
- python3-pip
- jq
- sysstat
- zsh
- fzf
- bat
- ripgrep
- gnome-keyring
- kitty-terminfo
- just

snap:
  commands:
  # Juju 3.6 is an LTS.
  # https://juju.is/docs/juju/roadmap
  - snap install juju --channel=3.6/stable
  - snap install microk8s --channel=1.31-strict/stable
  - snap alias microk8s.kubectl kubectl
  - snap alias microk8s.kubectl k
  - snap install --classic charmcraft
  - snap install --classic rockcraft
  - snap install jhack --channel=latest/stable
  - snap install yq
  - snap install astral-uv --classic
  - snap refresh

write_files:
- path: "/etc/update-motd.d/99-use-beta-channels"
  permissions: "0755"
  content: |
    #!/bin/sh

    echo "======================================================================"
    echo " If you're feeling adventurous, you could help the charming community"
    echo " by switching to the beta channels and reporting any issues you "
    echo " encounter in your journey!"
    echo
    echo "   sudo snap refresh juju --channel=3/beta"
    echo "   sudo snap refresh charmcraft --classic --channel=3.x/beta"
    echo "======================================================================"

runcmd:
- DEBIAN_FRONTEND=noninteractive apt remove -y landscape-client landscape-common adwaita-icon-theme humanity-icon-theme
- DEBIAN_FRONTEND=noninteractive apt -y upgrade

- |
  # Install tox from pypi (v4) instead of apt (v3)
  sudo -u ubuntu pip install tox

- |
  # disable swap
  sysctl -w vm.swappiness=0
  echo "vm.swappiness = 0" | tee -a /etc/sysctl.conf
  swapoff -a

- |
  # disable unnecessary services
  systemctl disable man-db.timer man-db.service --now
  systemctl disable apport.service apport-autoreport.service  --now
  systemctl disable apt-daily.service apt-daily.timer --now
  systemctl disable apt-daily-upgrade.service apt-daily-upgrade.timer --now
  systemctl disable unattended-upgrades.service --now
  systemctl disable motd-news.service motd-news.timer --now
  systemctl disable bluetooth.target --now
  systemctl disable ua-messaging.service ua-messaging.timer --now
  systemctl disable ua-timer.timer ua-timer.service --now
  systemctl disable systemd-tmpfiles-clean.timer --now

  # Disable IPv6
  echo "net.ipv6.conf.all.disable_ipv6=1" | tee -a /etc/sysctl.conf
  echo "net.ipv6.conf.default.disable_ipv6=1" | tee -a /etc/sysctl.conf
  echo "net.ipv6.conf.lo.disable_ipv6=1" | tee -a /etc/sysctl.conf
  sysctl -p

- |
  # oh-my-zsh + juju plugin
  sudo -u ubuntu sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended
  sudo -u ubuntu git clone https://github.com/zsh-users/zsh-autosuggestions.git ~ubuntu/.oh-my-zsh/custom/plugins/zsh-autosuggestions
  sudo -u ubuntu git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ~ubuntu/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting
  sudo -u ubuntu sed -i 's/plugins=(git)/plugins=(fzf git zsh-autosuggestions zsh-syntax-highlighting virtualenv colored-man-pages juju colorize)/g' ~ubuntu/.zshrc

- |
  # setup charmcraft
  lxd init --auto
  adduser ubuntu lxd

- |
  # Make sure juju directory is there
  # https://bugs.launchpad.net/juju/+bug/1995697
  sudo -u ubuntu mkdir -p /home/ubuntu/.local/share/juju

- |
  # setup microk8s and bootstrap
  usermod -a -G snap_microk8s ubuntu
  usermod -a -G microk8s ubuntu
  microk8s status --wait-ready

  microk8s.enable metrics-server
  microk8s.kubectl rollout status deployments/metrics-server -n kube-system -w --timeout=600s

  # The dns addon will restart the api server so you may see a blip in the availability
  # Separating addons to avoid errors such as
  # dial tcp 127.0.0.1:16443: connect: connection refused
  microk8s.enable dns
  microk8s.kubectl rollout status deployments/coredns -n kube-system -w --timeout=600s

  microk8s.enable rbac

  # wait for storage become available
  microk8s.enable hostpath-storage
  microk8s.kubectl rollout status deployments/hostpath-provisioner -n kube-system -w --timeout=600s

  # MetalLB
  IPADDR=$(ip -4 -j route get 2.2.2.2 | jq -r '.[] | .prefsrc')
  microk8s enable metallb:$IPADDR-$IPADDR
  microk8s.kubectl rollout status daemonset.apps/speaker -n metallb-system -w --timeout=600s

  # Microk8s built-in registry
  microk8s enable registry
  microk8s.kubectl rollout status deployment.apps/registry -n container-registry -w --timeout=600s

  # bootstrap controllers
  sudo -u ubuntu juju bootstrap localhost lxd
  sudo -u ubuntu juju add-model --config logging-config="<root>=WARNING; unit=DEBUG" --config update-status-hook-interval="60m" welcome-lxd
  sudo -u ubuntu juju bootstrap microk8s microk8s
  sudo -u ubuntu juju add-model --config logging-config="<root>=WARNING; unit=DEBUG" --config update-status-hook-interval="60m" welcome-k8s

  # dump config (this is needed for utils such as k9s or kdash)
  sudo -u ubuntu mkdir -p /home/ubuntu/.kube
  microk8s config | sudo -u ubuntu tee /home/ubuntu/.kube/config > /dev/null

  # We need to connect the dot-local-share-juju interface with jhack
  sudo snap connect jhack:dot-local-share-juju snapd
  sudo snap connect jhack:ssh-read snapd

final_message: "The system is finally up, after $UPTIME seconds"