Vagrant::K3s

Installation

vagrant plugin install vagrant-k3s
vagrant up --provider=<your favorite provider>

Usage

Vagrant.configure("2") do |config|
  config.vm.box = "dweomer/centos-8.4-amd64"
  # deal with the repo due to the EOL of centos-8
  config.vm.provision :shell, :inline => "
    sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-Linux-*
    sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-Linux-*
  "
  config.vm.provision :k3s, run: "once" do |k3s|
    # installer_url: can be anything that curl can access from the guest
    # default =>`https://get.k3s.io`
    # type => String
    k3s.installer_url = 'https://get.k3s.io'

    # args: are command line arguments to be passed to the shell, e.g.:
    # `curl ... | sh -s - #{args}`
    # type => String || Array<string>
    k3s.args = "server --selinux"
    # or
    k3s.args = %w[server --selinux]

    # env: environment variables to be set before invoking the installer script
    # type => String || Array<String> || Hash
    k3s.env = %w[K3S_KUBECONFIG_MODE=0644 K3S_TOKEN=vagrant]
    # or
    k3s.env = ENV.select{|k| k.start_with?('K3S_') || k.start_with?('INSTALL_K3S_')}.merge({
      :K3S_KUBECONFIG_MODE => '0640', # pass this as a string unless you like weird results in your guest ...
      :K3S_SELINUX => true,
    })
    # or
    k3s.env = <<~ENV
      K3S_KUBECONFIG_MODE=0640
      K3S_SELINUX=true
    ENV

    # env_path: where to write the envvars to be sourced prior to invoking the installer script
    # default => `/etc/rancher/k3s/install.env`
    k3s.env_path = '/etc/rancher/k3s/install.env'
    k3s.env_mode = '0600' # default
    k3s.env_owner = 'root:root' #default

    # config: config file content in yaml
    # type => String || Hash
    k3s.config = {
      :disable => %w[local-storage servicelb]
    }
    # or
    k3s.config = <<~YAML
      disable:
      - local-storage
      - servicelb
    YAML
    # config_mode: config file permissions
    # type => String
    # default => `0600`
    k3s.config_mode = '0644' # side-step https://github.com/k3s-io/k3s/issues/4321
    k3s.config_owner = 'root:root' #default

    # config_path: where to write the config yaml.
    # if you override this be sure to let k3s know, e.g.
    #   k3s.env = { :INSTALL_K3S_EXEC => '--config=/some/other/config.yaml' }
    # or
    #   k3s.args = '--config=/some/other/config.yaml'
    # default => `/etc/rancher/k3s/config.yaml`
    k3s.config_path = '/etc/rancher/k3s/config.yaml'

    # skip_start: install but don't start K3s
    # type => Boolean
    # default => false
    k3s.skip_start = true
  end
end

Development

See https://www.vagrantup.com/docs/plugins/development-basics To update dependencies and gemfile:

• bundle install To build and test new gem:
• gem build
• VAGRANT_CWD=./test/ubuntu bundle exec vagrant up To publish:
• gem push vagrant-k3s-<version>.gem

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/k3s-io/vagrant-k3s.

Code of Conduct

This project is intended to be a safe, welcoming space for collaboration. Everyone interacting in the vagrant-k3s projects codebase is expected to adhere to the code of conduct.