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README-host.md

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  • Vagrantfile 6.55 KiB
    # -*- mode: ruby -*-
    # # vi: set ft=ruby :
    
    require 'fileutils'
    
    Vagrant.require_version ">= 2.0.0"
    
    CONFIG = File.join(File.dirname(__FILE__), "vagrant/config.rb")
    
    COREOS_URL_TEMPLATE = "https://storage.googleapis.com/%s.release.core-os.net/amd64-usr/current/coreos_production_vagrant.json"
    
    # Uniq disk UUID for libvirt
    DISK_UUID = Time.now.utc.to_i
    
    SUPPORTED_OS = {
      "coreos-stable" => {box: "coreos-stable",      bootstrap_os: "coreos", user: "core", box_url: COREOS_URL_TEMPLATE % ["stable"]},
      "coreos-alpha"  => {box: "coreos-alpha",       bootstrap_os: "coreos", user: "core", box_url: COREOS_URL_TEMPLATE % ["alpha"]},
      "coreos-beta"   => {box: "coreos-beta",        bootstrap_os: "coreos", user: "core", box_url: COREOS_URL_TEMPLATE % ["beta"]},
      "ubuntu"        => {box: "bento/ubuntu-16.04", bootstrap_os: "ubuntu", user: "vagrant"},
      "centos"        => {box: "centos/7",           bootstrap_os: "centos", user: "vagrant"},
      "opensuse"      => {box: "opensuse/openSUSE-42.3-x86_64", bootstrap_os: "opensuse", use: "vagrant"},
      "opensuse-tumbleweed" => {box: "opensuse/openSUSE-Tumbleweed-x86_64", bootstrap_os: "opensuse", use: "vagrant"},
    }
    
    # Defaults for config options defined in CONFIG
    $num_instances = 3
    $instance_name_prefix = "k8s"
    $vm_gui = false
    $vm_memory = 2048
    $vm_cpus = 1
    $shared_folders = {}
    $forwarded_ports = {}
    $subnet = "172.17.8"
    $os = "ubuntu"
    $network_plugin = "flannel"
    # The first three nodes are etcd servers
    $etcd_instances = $num_instances
    # The first two nodes are kube masters
    $kube_master_instances = $num_instances == 1 ? $num_instances : ($num_instances - 1)
    # All nodes are kube nodes
    $kube_node_instances = $num_instances
    # The following only works when using the libvirt provider
    $kube_node_instances_with_disks = false
    $kube_node_instances_with_disks_size = "20G"
    $kube_node_instances_with_disks_number = 2
    
    $playbook = "cluster.yml"
    
    $local_release_dir = "/vagrant/temp"
    
    host_vars = {}
    
    if File.exist?(CONFIG)
      require CONFIG
    end
    
    $box = SUPPORTED_OS[$os][:box]
    # if $inventory is not set, try to use example
    $inventory = File.join(File.dirname(__FILE__), "inventory", "sample") if ! $inventory
    
    # if $inventory has a hosts file use it, otherwise copy over vars etc
    # to where vagrant expects dynamic inventory to be.
    if ! File.exist?(File.join(File.dirname($inventory), "hosts"))
      $vagrant_ansible = File.join(File.dirname(__FILE__), ".vagrant",
                           "provisioners", "ansible")
      FileUtils.mkdir_p($vagrant_ansible) if ! File.exist?($vagrant_ansible)
      if ! File.exist?(File.join($vagrant_ansible,"inventory"))
        FileUtils.ln_s($inventory, File.join($vagrant_ansible,"inventory"))
      end
    end