# -*- mode: ruby -*-
# vi: set ft=ruby :

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"

cloud_init = <<INIT
#cloud-config
write_files:
  - path: /etc/krates-server.env
    permissions: 0600
    owner: root
    content: |
      KONTENA_VERSION=<%= version %>
      KRATES_VAULT_KEY=<%= vault_secret %>
      KRATES_VAULT_IV=<%= vault_iv %>
coreos:
  update:
      reboot-strategy: off
  units:
    - name: krates-server-mongo.service
      command: start
      enable: true
      content: |
        [Unit]
        Description=krates-server-mongo
        After=network-online.target
        After=docker.service
        Description=Krates Server MongoDB
        Documentation=https://github.com/appsters/krates
        Requires=network-online.target
        Requires=docker.service

        [Service]
        Restart=always
        RestartSec=5
        TimeoutStartSec=0
        ExecStartPre=/usr/bin/docker pull mongo:3.2
        ExecStartPre=-/usr/bin/docker network create krates
        ExecStartPre=-/usr/bin/docker volume create krates-server-mongo
        ExecStartPre=-/usr/bin/docker stop krates-server-mongo
        ExecStartPre=-/usr/bin/docker rm krates-server-mongo
        ExecStart=/usr/bin/docker run --name=krates-server-mongo \
            -v krates-server-mongo:/data/db \
            --network krates \
            mongo:3.2
        ExecStop=/usr/bin/docker stop krates-server-mongo

    - name: krates-server-api.service
      command: start
      enable: true
      content: |
        [Unit]
        Description=krates-server-api
        After=network-online.target
        After=docker.service
        After=krates-server-mongo.service
        Description=Krates Master
        Documentation=https://github.io/appsters/krates/
        Requires=network-online.target
        Requires=docker.service
        Requires=krates-server-mongo.service

        [Service]
        Restart=always
        RestartSec=5
        TimeoutStartSec=0
        EnvironmentFile=/etc/krates-server.env
        ExecStartPre=-/usr/bin/docker stop krates-server-api
        ExecStartPre=-/usr/bin/docker rm krates-server-api
        ExecStartPre=-/usr/bin/docker network create krates
        ExecStartPre=/usr/bin/docker pull krates/master:${KONTENA_VERSION}
        ExecStart=/usr/bin/docker run --name krates-server-api \
            -e MONGODB_URI=mongodb://krates-server-mongo:27017/krates_server \
            -e VAULT_KEY=${KRATES_VAULT_KEY} -e VAULT_IV=${KRATES_VAULT_IV} \
            <% if server_name %>-e SERVER_NAME=<%= server_name %><% end %> \
            <% if initial_admin_code %>-e INITIAL_ADMIN_CODE=<%= initial_admin_code %><% end %> \
            --network krates \
            -p 8080:9292 \
            krates/master:${KONTENA_VERSION}
        ExecStop=/usr/bin/docker stop krates-server-api
INIT

cloud_init_file = Tempfile.new('krates-master')
File.write(cloud_init_file.path, cloud_init)

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.provider :virtualbox do |v|
    v.check_guest_additions = false
    v.functional_vboxsf     = false
  end

  if Vagrant.has_plugin?("vagrant-vbguest") then
    config.vbguest.auto_update = false
  end

  config.vm.define "<%= name %>" do |docker|
    docker.vm.box = "coreos-<%= coreos_channel %>"
    docker.vm.box_url = "http://stable.release.core-os.net/amd64-usr/current/coreos_production_vagrant.json"
    docker.vm.network "private_network", ip: "192.168.66.100"
    docker.vm.hostname = "<%= name %>"
    docker.vm.provider "virtualbox" do |vb|
      vb.name = "<%= name %>"
      vb.gui = false
      vb.memory = <%= memory %>
      vb.auto_nat_dns_proxy = false
      vb.customize ["modifyvm", :id, "--natdnsproxy1", "off" ]
      vb.customize ["modifyvm", :id, "--natdnshostresolver1", "off" ]
    end
    docker.vm.provision :file, :source => cloud_init_file.path, :destination => "/tmp/vagrantfile-user-data"
    docker.vm.provision :shell, :inline => "mv /tmp/vagrantfile-user-data /var/lib/coreos-vagrant/", :privileged => true
  end
end