lokomotive.sh

#!/bin/bash

KUBE_VERSION=1.21.0
TF_VERSION=0.13.7
# only amd64 is supported due to terraform-libvirt
ARCH=amd64
POOL=/mnt/pool

apps=( qemu-system-x86_64 virsh curl jq wget lbzip2 unzip )
pkgs=( libvirt-daemon-system qemu-system-x86 curl jq wget lbzip2 unzip )
for cmd in "${apps[@]}"; do
  if ! command -v $cmd; then
    sudo apt-get install "${pkgs[@]}"
    break
  fi
done

if [ ! -f /usr/local/bin/kubectl ]; then
  curl -LO https://dl.k8s.io/release/v${KUBE_VERSION}/bin/linux/${ARCH}/kubectl
  sudo mv kubectl /usr/local/bin/kubectl
  sudo chmod +x /usr/local/bin/kubectl
fi

if [ ! -f /usr/local/bin/terraform ]; then
  curl -LO https://releases.hashicorp.com/terraform/${TF_VERSION}/terraform_${TF_VERSION}_linux_${ARCH}.zip
  sudo unzip -d /usr/local/bin/ terraform_${TF_VERSION}_linux_${ARCH}.zip
fi

if [ ! -f main.tf ]; then
  wget https://github.com/dmacvicar/terraform-provider-libvirt/releases/download/v0.6.2/terraform-provider-libvirt-0.6.2+git.1585292411.8cbe9ad0.Ubuntu_18.04.amd64.tar.gz
  dir=~/.local/share/terraform/plugins/registry.terraform.io/dmacvicar/libvirt/0.6.2/linux_amd64
  mkdir -p $dir
  tar xf terraform-provider-libvirt-0.6.2+git.1585292411.8cbe9ad0.Ubuntu_18.04.amd64.tar.gz -C $dir
  cat <<EOF >main.tf
terraform {
  required_providers {
    libvirt = {
      source = "dmacvicar/libvirt"
      version = "0.6.2"
    }
  }
}

provider "libvirt" {
  # Configuration options
}
EOF

  terraform init
fi

if [ ! -f /usr/local/bin/lokoctl ]; then
  os=linux
  release=$(curl -s https://api.github.com/repos/kinvolk/lokomotive/releases | jq -r '.[0].name')
  curl -LO "https://github.com/kinvolk/lokomotive/releases/download/${release}/lokoctl_${release}_${os}_${ARCH}.tar.gz"
  sudo tar xf lokoctl_${release}_${os}_${ARCH}.tar.gz -C /usr/local/bin --no-same-owner --strip-components 1 lokoctl_${release}_${os}_${ARCH}/lokoctl
fi

if [ ! -f flatcar_production_qemu_image.img ]; then
  wget https://stable.release.flatcar-linux.net/amd64-usr/current/flatcar_production_qemu_image.img.bz2
  lbunzip2 flatcar_production_qemu_image.img.bz2
fi

if [ ! -f ~/.ssh/id_ed25519 ]; then
  ssh-keygen -t ed25519
fi

read SSHKEY <~/.ssh/id_ed25519.pub

if [ ! -f cluster.lokocfg ]; then
  cat <<EOF >cluster.lokocfg
cluster "tinkerbell" {
  asset_dir               = "./assets"
  name                    = "demo"
  dns_zone                = "example.com"
  ssh_public_keys         = ["$SSHKEY"]
  controller_ip_addresses = ["10.17.3.4"]
  //os_channel       = "stable"
  //os_version       = "current"

  experimental_sandbox {
    pool_path          = "$POOL"
    flatcar_image_path = "$PWD/flatcar_production_qemu_image.img"
    hosts_cidr         = "10.17.3.0/24"
  }

  worker_pool "pool1" {
    ip_addresses    = ["10.17.3.5"]
    //os_channel    = "stable"
    //os_version    = "current"
  }
}

# A demo application.
component "httpbin" {
  ingress_host = "httpbin.example.com"
}
EOF
fi

if ! grep $POOL /etc/apparmor.d/local/abstractions/libvirt-qemu ; then
  echo "$POOL/* rwk," | sudo tee -a /etc/apparmor.d/local/abstractions/libvirt-qemu
fi

virsh undefine tinkerbell-sandbox-demo-provisioner || true

echo 'You can now run:'
echo ''
echo '  eval $(ssh-agent)'
echo '  ssh-add ~/.ssh/id_ed25519'
echo '  lokoctl cluster apply -v'
echo ''