267 lines
11 KiB
Ruby
267 lines
11 KiB
Ruby
# -*- mode: ruby -*-
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# # vi: set ft=ruby :
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# For help on using kubespray with vagrant, check out docs/vagrant.md
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require 'fileutils'
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Vagrant.require_version ">= 2.0.0"
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CONFIG = File.join(File.dirname(__FILE__), ENV['KUBESPRAY_VAGRANT_CONFIG'] || 'vagrant/config.rb')
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FLATCAR_URL_TEMPLATE = "https://%s.release.flatcar-linux.net/amd64-usr/current/flatcar_production_vagrant.json"
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# Uniq disk UUID for libvirt
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DISK_UUID = Time.now.utc.to_i
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SUPPORTED_OS = {
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"flatcar-stable" => {box: "flatcar-stable", user: "core", box_url: FLATCAR_URL_TEMPLATE % ["stable"]},
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"flatcar-beta" => {box: "flatcar-beta", user: "core", box_url: FLATCAR_URL_TEMPLATE % ["beta"]},
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"flatcar-alpha" => {box: "flatcar-alpha", user: "core", box_url: FLATCAR_URL_TEMPLATE % ["alpha"]},
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"flatcar-edge" => {box: "flatcar-edge", user: "core", box_url: FLATCAR_URL_TEMPLATE % ["edge"]},
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"ubuntu1604" => {box: "generic/ubuntu1604", user: "vagrant"},
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"ubuntu1804" => {box: "generic/ubuntu1804", user: "vagrant"},
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"ubuntu2004" => {box: "generic/ubuntu2004", user: "vagrant"},
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"centos" => {box: "centos/7", user: "vagrant"},
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"centos-bento" => {box: "bento/centos-7.6", user: "vagrant"},
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"centos8" => {box: "centos/8", user: "vagrant"},
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"centos8-bento" => {box: "bento/centos-8", user: "vagrant"},
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"almalinux8" => {box: "almalinux/8", user: "vagrant"},
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"almalinux8-bento" => {box: "bento/almalinux-8", user: "vagrant"},
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"fedora34" => {box: "fedora/34-cloud-base", user: "vagrant"},
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"fedora35" => {box: "fedora/35-cloud-base", user: "vagrant"},
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"opensuse" => {box: "bento/opensuse-leap-15.2", user: "vagrant"},
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"opensuse-tumbleweed" => {box: "opensuse/Tumbleweed.x86_64", user: "vagrant"},
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"oraclelinux" => {box: "generic/oracle7", user: "vagrant"},
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"oraclelinux8" => {box: "generic/oracle8", user: "vagrant"},
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"rhel7" => {box: "generic/rhel7", user: "vagrant"},
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"rhel8" => {box: "generic/rhel8", user: "vagrant"},
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}
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if File.exist?(CONFIG)
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require CONFIG
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end
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# Defaults for config options defined in CONFIG
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$num_instances ||= 3
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$instance_name_prefix ||= "k8s"
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$vm_gui ||= false
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$vm_memory ||= 2048
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$vm_cpus ||= 2
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$shared_folders ||= {}
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$forwarded_ports ||= {}
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$subnet ||= "172.18.8"
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$subnet_ipv6 ||= "fd3c:b398:0698:0756"
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$os ||= "ubuntu1804"
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$network_plugin ||= "flannel"
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# Setting multi_networking to true will install Multus: https://github.com/intel/multus-cni
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$multi_networking ||= false
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$download_run_once ||= "True"
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$download_force_cache ||= "False"
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# The first three nodes are etcd servers
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$etcd_instances ||= $num_instances
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# The first two nodes are kube masters
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$kube_master_instances ||= $num_instances == 1 ? $num_instances : ($num_instances - 1)
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# All nodes are kube nodes
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$kube_node_instances ||= $num_instances
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# The following only works when using the libvirt provider
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$kube_node_instances_with_disks ||= false
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$kube_node_instances_with_disks_size ||= "20G"
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$kube_node_instances_with_disks_number ||= 2
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$override_disk_size ||= false
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$disk_size ||= "20GB"
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$local_path_provisioner_enabled ||= false
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$local_path_provisioner_claim_root ||= "/opt/local-path-provisioner/"
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$libvirt_nested ||= false
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$playbook ||= "cluster.yml"
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host_vars = {}
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$box = SUPPORTED_OS[$os][:box]
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# if $inventory is not set, try to use example
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$inventory = "inventory/sample" if ! $inventory
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$inventory = File.absolute_path($inventory, File.dirname(__FILE__))
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# if $inventory has a hosts.ini file use it, otherwise copy over
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# vars etc to where vagrant expects dynamic inventory to be
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if ! File.exist?(File.join(File.dirname($inventory), "hosts.ini"))
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$vagrant_ansible = File.join(File.dirname(__FILE__), ".vagrant", "provisioners", "ansible")
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FileUtils.mkdir_p($vagrant_ansible) if ! File.exist?($vagrant_ansible)
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$vagrant_inventory = File.join($vagrant_ansible,"inventory")
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FileUtils.rm_f($vagrant_inventory)
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FileUtils.ln_s($inventory, $vagrant_inventory)
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end
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if Vagrant.has_plugin?("vagrant-proxyconf")
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$no_proxy = ENV['NO_PROXY'] || ENV['no_proxy'] || "127.0.0.1,localhost"
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(1..$num_instances).each do |i|
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$no_proxy += ",#{$subnet}.#{i+100}"
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end
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end
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Vagrant.configure("2") do |config|
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config.vm.box = $box
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if SUPPORTED_OS[$os].has_key? :box_url
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config.vm.box_url = SUPPORTED_OS[$os][:box_url]
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end
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config.ssh.username = SUPPORTED_OS[$os][:user]
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# plugin conflict
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if Vagrant.has_plugin?("vagrant-vbguest") then
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config.vbguest.auto_update = false
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end
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# always use Vagrants insecure key
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config.ssh.insert_key = false
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if ($override_disk_size)
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unless Vagrant.has_plugin?("vagrant-disksize")
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system "vagrant plugin install vagrant-disksize"
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end
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config.disksize.size = $disk_size
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end
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(1..$num_instances).each do |i|
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config.vm.define vm_name = "%s-%01d" % [$instance_name_prefix, i] do |node|
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node.vm.hostname = vm_name
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if Vagrant.has_plugin?("vagrant-proxyconf")
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node.proxy.http = ENV['HTTP_PROXY'] || ENV['http_proxy'] || ""
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node.proxy.https = ENV['HTTPS_PROXY'] || ENV['https_proxy'] || ""
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node.proxy.no_proxy = $no_proxy
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end
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["vmware_fusion", "vmware_workstation"].each do |vmware|
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node.vm.provider vmware do |v|
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v.vmx['memsize'] = $vm_memory
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v.vmx['numvcpus'] = $vm_cpus
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end
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end
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node.vm.provider :virtualbox do |vb|
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vb.memory = $vm_memory
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vb.cpus = $vm_cpus
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vb.gui = $vm_gui
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vb.linked_clone = true
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vb.customize ["modifyvm", :id, "--vram", "8"] # ubuntu defaults to 256 MB which is a waste of precious RAM
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vb.customize ["modifyvm", :id, "--audio", "none"]
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end
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node.vm.provider :libvirt do |lv|
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lv.nested = $libvirt_nested
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lv.cpu_mode = "host-model"
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lv.memory = $vm_memory
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lv.cpus = $vm_cpus
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lv.default_prefix = 'kubespray'
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# Fix kernel panic on fedora 28
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if $os == "fedora"
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lv.cpu_mode = "host-passthrough"
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end
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end
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if $kube_node_instances_with_disks
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# Libvirt
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driverletters = ('a'..'z').to_a
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node.vm.provider :libvirt do |lv|
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# always make /dev/sd{a/b/c} so that CI can ensure that
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# virtualbox and libvirt will have the same devices to use for OSDs
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(1..$kube_node_instances_with_disks_number).each do |d|
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lv.storage :file, :device => "hd#{driverletters[d]}", :path => "disk-#{i}-#{d}-#{DISK_UUID}.disk", :size => $kube_node_instances_with_disks_size, :bus => "ide"
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end
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end
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end
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if $expose_docker_tcp
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node.vm.network "forwarded_port", guest: 2375, host: ($expose_docker_tcp + i - 1), auto_correct: true
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end
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$forwarded_ports.each do |guest, host|
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node.vm.network "forwarded_port", guest: guest, host: host, auto_correct: true
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end
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if ["rhel7","rhel8"].include? $os
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# Vagrant synced_folder rsync options cannot be used for RHEL boxes as Rsync package cannot
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# be installed until the host is registered with a valid Red Hat support subscription
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node.vm.synced_folder ".", "/vagrant", disabled: false
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$shared_folders.each do |src, dst|
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node.vm.synced_folder src, dst
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end
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else
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node.vm.synced_folder ".", "/vagrant", disabled: false, type: "rsync", rsync__args: ['--verbose', '--archive', '--delete', '-z'] , rsync__exclude: ['.git','venv']
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$shared_folders.each do |src, dst|
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node.vm.synced_folder src, dst, type: "rsync", rsync__args: ['--verbose', '--archive', '--delete', '-z']
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end
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end
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ip = "#{$subnet}.#{i+100}"
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node.vm.network :private_network, ip: ip,
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:libvirt__guest_ipv6 => 'yes',
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:libvirt__ipv6_address => "#{$subnet_ipv6}::#{i+100}",
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:libvirt__ipv6_prefix => "64",
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:libvirt__forward_mode => "none",
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:libvirt__dhcp_enabled => false
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# Disable swap for each vm
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node.vm.provision "shell", inline: "swapoff -a"
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# ubuntu1804 and ubuntu2004 have IPv6 explicitly disabled. This undoes that.
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if ["ubuntu1804", "ubuntu2004"].include? $os
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node.vm.provision "shell", inline: "rm -f /etc/modprobe.d/local.conf"
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node.vm.provision "shell", inline: "sed -i '/net.ipv6.conf.all.disable_ipv6/d' /etc/sysctl.d/99-sysctl.conf /etc/sysctl.conf"
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end
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# Disable firewalld on oraclelinux/redhat vms
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if ["oraclelinux","oraclelinux8","rhel7","rhel8"].include? $os
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node.vm.provision "shell", inline: "systemctl stop firewalld; systemctl disable firewalld"
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end
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host_vars[vm_name] = {
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"ip": ip,
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"flannel_interface": "eth1",
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"kube_network_plugin": $network_plugin,
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"kube_network_plugin_multus": $multi_networking,
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"download_run_once": $download_run_once,
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"download_localhost": "False",
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"download_cache_dir": ENV['HOME'] + "/kubespray_cache",
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# Make kubespray cache even when download_run_once is false
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"download_force_cache": $download_force_cache,
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# Keeping the cache on the nodes can improve provisioning speed while debugging kubespray
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"download_keep_remote_cache": "False",
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"docker_rpm_keepcache": "1",
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# These two settings will put kubectl and admin.config in $inventory/artifacts
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"kubeconfig_localhost": "True",
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"kubectl_localhost": "True",
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"local_path_provisioner_enabled": "#{$local_path_provisioner_enabled}",
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"local_path_provisioner_claim_root": "#{$local_path_provisioner_claim_root}",
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"ansible_ssh_user": SUPPORTED_OS[$os][:user]
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}
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# Only execute the Ansible provisioner once, when all the machines are up and ready.
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if i == $num_instances
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node.vm.provision "ansible" do |ansible|
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ansible.playbook = $playbook
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$ansible_inventory_path = File.join( $inventory, "hosts.ini")
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if File.exist?($ansible_inventory_path)
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ansible.inventory_path = $ansible_inventory_path
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end
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ansible.become = true
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ansible.limit = "all,localhost"
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ansible.host_key_checking = false
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ansible.raw_arguments = ["--forks=#{$num_instances}", "--flush-cache", "-e ansible_become_pass=vagrant"]
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ansible.host_vars = host_vars
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#ansible.tags = ['download']
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ansible.groups = {
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"etcd" => ["#{$instance_name_prefix}-[1:#{$etcd_instances}]"],
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"kube_control_plane" => ["#{$instance_name_prefix}-[1:#{$kube_master_instances}]"],
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"kube_node" => ["#{$instance_name_prefix}-[1:#{$kube_node_instances}]"],
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"k8s_cluster:children" => ["kube_control_plane", "kube_node"],
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}
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end
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end
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end
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end
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end
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