135 lines
4.2 KiB
Ruby
135 lines
4.2 KiB
Ruby
# -*- mode: ruby -*-
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# # vi: set ft=ruby :
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require 'fileutils'
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Vagrant.require_version ">= 1.8.0"
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CONFIG = File.join(File.dirname(__FILE__), "vagrant/config.rb")
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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 = 1536
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$vm_cpus = 1
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$shared_folders = {}
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$forwarded_ports = {}
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$subnet = "172.17.8"
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$box = "bento/ubuntu-16.04"
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# The first three nodes are etcd servers
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$etcd_instances = $num_instances
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# The first two nodes are masters
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$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 = $num_instances
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$local_release_dir = "/vagrant/temp"
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host_vars = {}
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if File.exist?(CONFIG)
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require CONFIG
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end
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# if $inventory is not set, try to use example
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$inventory = File.join(File.dirname(__FILE__), "inventory") if ! $inventory
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# if $inventory has a hosts file use it, otherwise copy over vars etc
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# to where vagrant expects dynamic inventory to be.
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if ! File.exist?(File.join(File.dirname($inventory), "hosts"))
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$vagrant_ansible = File.join(File.dirname(__FILE__), ".vagrant",
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"provisioners", "ansible")
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FileUtils.mkdir_p($vagrant_ansible) if ! File.exist?($vagrant_ansible)
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if ! File.exist?(File.join($vagrant_ansible,"inventory"))
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FileUtils.ln_s($inventory, $vagrant_ansible)
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end
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end
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if Vagrant.has_plugin?("vagrant-proxyconf")
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$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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# always use Vagrants insecure key
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config.ssh.insert_key = false
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config.vm.box = $box
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# plugin conflict
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if Vagrant.has_plugin?("vagrant-vbguest") then
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config.vbguest.auto_update = false
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end
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(1..$num_instances).each do |i|
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config.vm.define vm_name = "%s-%02d" % [$instance_name_prefix, i] do |config|
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config.vm.hostname = vm_name
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if Vagrant.has_plugin?("vagrant-proxyconf")
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config.proxy.http = ENV['HTTP_PROXY'] || ENV['http_proxy'] || ""
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config.proxy.https = ENV['HTTPS_PROXY'] || ENV['https_proxy'] || ""
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config.proxy.no_proxy = $no_proxy
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end
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if $expose_docker_tcp
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config.vm.network "forwarded_port", guest: 2375, host: ($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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config.vm.network "forwarded_port", guest: guest, host: host, auto_correct: true
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end
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["vmware_fusion", "vmware_workstation"].each do |vmware|
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config.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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config.vm.provider :virtualbox do |vb|
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vb.gui = $vm_gui
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vb.memory = $vm_memory
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vb.cpus = $vm_cpus
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end
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ip = "#{$subnet}.#{i+100}"
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host_vars[vm_name] = {
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"ip": ip,
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"flannel_interface": ip,
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"flannel_backend_type": "host-gw",
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"local_release_dir" => $local_release_dir,
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"download_run_once": "False",
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# Override the default 'calico' with flannel.
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# inventory/group_vars/k8s-cluster.yml
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"kube_network_plugin": "flannel",
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}
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config.vm.network :private_network, ip: ip
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# Only execute once the Ansible provisioner,
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# when all the machines are up and ready.
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if i == $num_instances
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config.vm.provision "ansible" do |ansible|
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ansible.playbook = "cluster.yml"
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if File.exist?(File.join(File.dirname($inventory), "hosts"))
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ansible.inventory_path = $inventory
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end
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ansible.sudo = true
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ansible.limit = "all"
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ansible.host_key_checking = false
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ansible.raw_arguments = ["--forks=#{$num_instances}"]
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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" => ["#{$instance_name_prefix}-0[1:#{$etcd_instances}]"],
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"kube-master" => ["#{$instance_name_prefix}-0[1:#{$kube_master_instances}]"],
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"kube-node" => ["#{$instance_name_prefix}-0[1:#{$kube_node_instances}]"],
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"k8s-cluster:children" => ["kube-master", "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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