Remove Vagrant support
Vagrant deployment is error prone and unmaintained. Unless a contributor wants to take up ownership, this buggy logic should be removed.
This commit is contained in:
Matthew Mosesohn
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5 changed files with 1 additions and 243 deletions
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@ -15,7 +15,6 @@ To deploy the cluster you can use :
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[**kubespray-cli**](https://github.com/kubespray/kubespray-cli) <br>
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**Ansible** usual commands and [**inventory builder**](https://github.com/kubernetes-incubator/kubespray/blob/master/contrib/inventory_builder/inventory.py) <br>
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**vagrant** by simply running `vagrant up` (for tests purposes) <br>
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* [Requirements](#requirements)
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@ -27,7 +26,6 @@ To deploy the cluster you can use :
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* [DNS stack](docs/dns-stack.md)
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* [HA mode](docs/ha-mode.md)
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* [Network plugins](#network-plugins)
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* [Vagrant install](docs/vagrant.md)
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* [CoreOS bootstrap](docs/coreos.md)
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* [Downloaded artifacts](docs/downloads.md)
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* [Cloud providers](docs/cloud.md)
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@ -84,7 +82,7 @@ in order to avoid any issue during deployment you should disable your firewall.
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## Network plugins
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You can choose between 4 network plugins. (default: `calico`, except Vagrant uses `flannel`)
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You can choose between 4 network plugins. (default: `calico`)
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* [**flannel**](docs/flannel.md): gre/vxlan (layer 2) networking.
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154
Vagrantfile
vendored
154
Vagrantfile
vendored
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@ -1,154 +0,0 @@
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# -*- 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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COREOS_URL_TEMPLATE = "https://storage.googleapis.com/%s.release.core-os.net/amd64-usr/current/coreos_production_vagrant.json"
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SUPPORTED_OS = {
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"coreos-stable" => {box: "coreos-stable", bootstrap_os: "coreos", user: "core", box_url: COREOS_URL_TEMPLATE % ["stable"]},
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"coreos-alpha" => {box: "coreos-alpha", bootstrap_os: "coreos", user: "core", box_url: COREOS_URL_TEMPLATE % ["alpha"]},
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"coreos-beta" => {box: "coreos-beta", bootstrap_os: "coreos", user: "core", box_url: COREOS_URL_TEMPLATE % ["beta"]},
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"ubuntu" => {box: "bento/ubuntu-16.04", bootstrap_os: "ubuntu", user: "vagrant"},
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"centos" => {box: "bento/centos-7.3", bootstrap_os: "centos", user: "vagrant"},
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}
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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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$os = "ubuntu"
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# The first three nodes are etcd servers
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$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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$local_release_dir = "/vagrant/temp"
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host_vars = {}
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if File.exist?(CONFIG)
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require CONFIG
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end
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# All nodes are kube nodes
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$kube_node_instances = $num_instances
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$box = SUPPORTED_OS[$os][:box]
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# if $inventory is not set, try to use example
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$inventory = 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 = $box
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if SUPPORTED_OS[$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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(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'] = $vm_cpus
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end
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end
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$shared_folders.each do |src, dst|
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config.vm.synced_folder src, dst
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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" => $local_release_dir,
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"download_run_once": "False",
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# Override the default 'calico' with flannel.
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# inventory/group_vars/k8s-cluster.yml
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"kube_network_plugin": "flannel",
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"bootstrap_os": SUPPORTED_OS[$os][:bootstrap_os]
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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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@ -4,19 +4,3 @@ Atomic host bootstrap
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Atomic host testing has been done with the network plugin flannel. Change the inventory var `kube_network_plugin: flannel`.
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Note: Flannel is the only plugin that has currently been tested with atomic
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### Vagrant
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* For bootstrapping with Vagrant, use box centos/atomic-host
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* Update VagrantFile variable `local_release_dir` to `/var/vagrant/temp`.
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* Update `vm_memory = 2048` and `vm_cpus = 2`
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* Networking on vagrant hosts has to be brought up manually once they are booted.
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```
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vagrant ssh
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sudo /sbin/ifup enp0s8
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```
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* For users of vagrant-libvirt download qcow2 format from https://wiki.centos.org/SpecialInterestGroup/Atomic/Download/
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Then you can proceed to [cluster deployment](#run-deployment)
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@ -55,7 +55,6 @@ While waiting for the issue [kubernetes/kubernetes#18174](https://github.com/kub
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### Kubespray-cli
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- Delete instances
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- `kubespray vagrant` to setup a test cluster locally
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- `kubespray azure` for Microsoft Azure support
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- switch to Terraform instead of Ansible for provisionning
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- update $HOME/.kube/config when a cluster is deployed. Optionally switch to this context
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@ -1,69 +0,0 @@
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Vagrant Install
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=================
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Assuming you have Vagrant (1.8+) installed with virtualbox (it may work
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with vmware, but is untested) you should be able to launch a 3 node
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Kubernetes cluster by simply running `$ vagrant up`.<br />
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This will spin up 3 VMs and install kubernetes on them. Once they are
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completed you can connect to any of them by running <br />
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`$ vagrant ssh k8s-0[1..3]`.
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```
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$ vagrant up
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Bringing machine 'k8s-01' up with 'virtualbox' provider...
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Bringing machine 'k8s-02' up with 'virtualbox' provider...
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Bringing machine 'k8s-03' up with 'virtualbox' provider...
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==> k8s-01: Box 'bento/ubuntu-14.04' could not be found. Attempting to find and install...
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...
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...
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k8s-03: Running ansible-playbook...
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PLAY [k8s-cluster] *************************************************************
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TASK [setup] *******************************************************************
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ok: [k8s-03]
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ok: [k8s-01]
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ok: [k8s-02]
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...
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...
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PLAY RECAP *********************************************************************
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k8s-01 : ok=157 changed=66 unreachable=0 failed=0
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k8s-02 : ok=137 changed=59 unreachable=0 failed=0
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k8s-03 : ok=86 changed=51 unreachable=0 failed=0
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$ vagrant ssh k8s-01
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vagrant@k8s-01:~$ kubectl get nodes
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NAME STATUS AGE
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k8s-01 Ready 45s
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k8s-02 Ready 45s
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k8s-03 Ready 45s
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```
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Customize Vagrant
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=================
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You can override the default settings in the `Vagrantfile` either by directly modifying the `Vagrantfile`
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or through an override file.
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In the same directory as the `Vagrantfile`, create a folder called `vagrant` and create `config.rb` file in it.
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You're able to override the variables defined in `Vagrantfile` by providing the value in the `vagrant/config.rb` file,
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e.g.:
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echo '$forwarded_ports = {8001 => 8001}' >> vagrant/config.rb
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and after `vagrant up` or `vagrant reload`, your host will have port forwarding setup with the guest on port 8001.
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Use alternative OS for Vagrant
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==============================
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By default, Vagrant uses Ubuntu 16.04 box to provision a local cluster. You may use an alternative supported
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operating system for your local cluster.
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Customize `$os` variable in `Vagrantfile` or as override, e.g.,:
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echo '$os = "coreos-stable"' >> vagrant/config.rb
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The supported operating systems for vagrant are defined in the `SUPPORTED_OS` constant in the `Vagrantfile`.
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