# -*- mode: ruby -*- # # vi: set ft=ruby : # For help on using kubespray with vagrant, check out docs/vagrant.md 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", user: "core", box_url: COREOS_URL_TEMPLATE % ["stable"]}, "coreos-alpha" => {box: "coreos-alpha", user: "core", box_url: COREOS_URL_TEMPLATE % ["alpha"]}, "coreos-beta" => {box: "coreos-beta", user: "core", box_url: COREOS_URL_TEMPLATE % ["beta"]}, "ubuntu1604" => {box: "generic/ubuntu1604", user: "vagrant"}, "ubuntu1804" => {box: "generic/ubuntu1804", user: "vagrant"}, "centos" => {box: "centos/7", user: "vagrant"}, "centos-bento" => {box: "bento/centos-7.5", user: "vagrant"}, "fedora" => {box: "fedora/28-cloud-base", user: "vagrant"}, "opensuse" => {box: "opensuse/openSUSE-42.3-x86_64", user: "vagrant"}, "opensuse-tumbleweed" => {box: "opensuse/openSUSE-Tumbleweed-x86_64", user: "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 = "ubuntu1804" $network_plugin = "flannel" # Setting multi_networking to true will install Multus: https://github.com/intel/multus-cni $multi_networking = false # 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 $override_disk_size = false $disk_size = "20GB" $playbook = "cluster.yml" host_vars = {} if File.exist?(CONFIG) require CONFIG end $box = SUPPORTED_OS[$os][:box] # if $inventory is not set, try to use example $inventory = "inventory/sample" if ! $inventory $inventory = File.absolute_path($inventory, File.dirname(__FILE__)) # if $inventory has a hosts.ini file use it, otherwise copy over # vars etc to where vagrant expects dynamic inventory to be if ! File.exist?(File.join(File.dirname($inventory), "hosts.ini")) $vagrant_ansible = File.join(File.dirname(__FILE__), ".vagrant", "provisioners", "ansible") FileUtils.mkdir_p($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 if Vagrant.has_plugin?("vagrant-proxyconf") $no_proxy = ENV['NO_PROXY'] || ENV['no_proxy'] || "127.0.0.1,localhost" (1..$num_instances).each do |i| $no_proxy += ",#{$subnet}.#{i+100}" end end Vagrant.configure("2") do |config| config.vm.box = $box if SUPPORTED_OS[$os].has_key? :box_url config.vm.box_url = SUPPORTED_OS[$os][:box_url] end config.ssh.username = SUPPORTED_OS[$os][:user] # plugin conflict if Vagrant.has_plugin?("vagrant-vbguest") then config.vbguest.auto_update = false end # always use Vagrants insecure key config.ssh.insert_key = false if ($override_disk_size) unless Vagrant.has_plugin?("vagrant-disksize") system "vagrant plugin install vagrant-disksize" end config.disksize.size = $disk_size end (1..$num_instances).each do |i| config.vm.define vm_name = "%s-%01d" % [$instance_name_prefix, i] do |node| node.vm.hostname = vm_name if Vagrant.has_plugin?("vagrant-proxyconf") node.proxy.http = ENV['HTTP_PROXY'] || ENV['http_proxy'] || "" node.proxy.https = ENV['HTTPS_PROXY'] || ENV['https_proxy'] || "" node.proxy.no_proxy = $no_proxy end ["vmware_fusion", "vmware_workstation"].each do |vmware| node.vm.provider vmware do |v| v.vmx['memsize'] = $vm_memory v.vmx['numvcpus'] = $vm_cpus end end node.vm.provider :virtualbox do |vb| vb.memory = $vm_memory vb.cpus = $vm_cpus vb.gui = $vm_gui vb.linked_clone = true vb.customize ["modifyvm", :id, "--vram", "8"] # ubuntu defaults to 256 MB which is a waste of precious RAM end node.vm.provider :libvirt do |lv| lv.memory = $vm_memory lv.cpus = $vm_cpus lv.default_prefix = 'kubespray' # Fix kernel panic on fedora 28 if $os == "fedora" lv.cpu_mode = "host-passthrough" end end if $kube_node_instances_with_disks # Libvirt driverletters = ('a'..'z').to_a node.vm.provider :libvirt do |lv| # always make /dev/sd{a/b/c} so that CI can ensure that # virtualbox and libvirt will have the same devices to use for OSDs (1..$kube_node_instances_with_disks_number).each do |d| lv.storage :file, :device => "hd#{driverletters[d]}", :path => "disk-#{i}-#{d}-#{DISK_UUID}.disk", :size => $kube_node_instances_with_disks_size, :bus => "ide" end end end if $expose_docker_tcp node.vm.network "forwarded_port", guest: 2375, host: ($expose_docker_tcp + i - 1), auto_correct: true end $forwarded_ports.each do |guest, host| node.vm.network "forwarded_port", guest: guest, host: host, auto_correct: true end node.vm.synced_folder ".", "/vagrant", disabled: false, type: "rsync", rsync__args: ['--verbose', '--archive', '--delete', '-z'] , rsync__exclude: ['.git','venv'] $shared_folders.each do |src, dst| node.vm.synced_folder src, dst, type: "rsync", rsync__args: ['--verbose', '--archive', '--delete', '-z'] end ip = "#{$subnet}.#{i+100}" node.vm.network :private_network, ip: ip # Disable swap for each vm node.vm.provision "shell", inline: "swapoff -a" host_vars[vm_name] = { "ip": ip, "flannel_interface": "eth1", "kube_network_plugin": $network_plugin, "kube_network_plugin_multus": $multi_networking, "docker_keepcache": "1", "download_run_once": "True", "download_localhost": "False" } # Only execute the Ansible provisioner once, when all the machines are up and ready. if i == $num_instances node.vm.provision "ansible" do |ansible| ansible.playbook = $playbook $ansible_inventory_path = File.join( $inventory, "hosts.ini") if File.exist?($ansible_inventory_path) ansible.inventory_path = $ansible_inventory_path end ansible.become = true ansible.limit = "all" ansible.host_key_checking = false ansible.raw_arguments = ["--forks=#{$num_instances}", "--flush-cache", "--ask-become-pass"] ansible.host_vars = host_vars #ansible.tags = ['download'] ansible.groups = { "etcd" => ["#{$instance_name_prefix}-[1:#{$etcd_instances}]"], "kube-master" => ["#{$instance_name_prefix}-[1:#{$kube_master_instances}]"], "kube-node" => ["#{$instance_name_prefix}-[1:#{$kube_node_instances}]"], "k8s-cluster:children" => ["kube-master", "kube-node"], } end end end end end