Class: VagrantPlugins::K3s::Provisioner

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-k3s/provisioner.rb

Instance Method Summary collapse

Constructor Details

#initialize(machine, config) ⇒ Provisioner

Returns a new instance of Provisioner.



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# File 'lib/vagrant-k3s/provisioner.rb', line 10

def initialize(machine,config)
  super(machine,config)
  @logger = Log4r::Logger.new("vagrant::provisioners::k3s")
end

Instance Method Details

#build_outputs ⇒ Object 



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# File 'lib/vagrant-k3s/provisioner.rb', line 110

def build_outputs
  outputs = {
    stdout: Vagrant::Util::LineBuffer.new { |line| handle_comm(:stdout, line) },
    stderr: Vagrant::Util::LineBuffer.new { |line| handle_comm(:stderr, line) },
  }
  block = proc { |type, data|
    outputs[type] << data if outputs[type]
  }
  [outputs, block]
end

#file_upload(local_file, remote_path, content) ⇒ Object 



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# File 'lib/vagrant-k3s/provisioner.rb', line 146

def file_upload(local_file, remote_path, content)
  with_file(local_file, content) do |local_path|
    remote_tmp_dir = @machine.guest.capability :create_tmp_path, {:type => :directory}
    remote_tmp_path = [remote_tmp_dir, File.basename(remote_path)].join('/')
    @machine.communicate.upload(local_path, remote_tmp_path)
    @machine.communicate.sudo("install -v -DTZ #{remote_tmp_path} #{remote_path}") do |type, line|
      @machine.ui.info line.chomp, :color => {:stderr => :red, :stdout => :default}[type]
    end
  end
  @machine.ui.detail content.chomp, :color => :yellow
  remote_path
end

#handle_comm(type, data) ⇒ Object

This handles outputting the communication line back to the UI



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# File 'lib/vagrant-k3s/provisioner.rb', line 122

def handle_comm(type, data)
  if [:stderr, :stdout].include?(type)
    # Output the line with the proper color based on the stream.
    options = {}
    options[:color] = type == :stdout ? :green : :red

    @machine.ui.detail(data.chomp, **options)
  end
end

#provision ⇒ Object

def cleanup end



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# File 'lib/vagrant-k3s/provisioner.rb', line 21

def provision
  args = ""
  if config.args.is_a?(String)
    args = " #{config.args.to_s}"
  elsif config.args.is_a?(Array)
    args = config.args.map { |a| quote_and_escape(a) }
    args = " #{args.join(" ")}"
  end

  unless @machine.guest.capability(:curl_installed)
    @machine.ui.info 'Installing Curl ...'
    @machine.guest.capability(:curl_install)
  end

  cfg_file = config.config_path.to_s
  cfg_yaml = config.config.is_a?(String) ? config.config : config.config.transform_keys(&:to_s).to_yaml
  file_upload "k3s-config.yaml", cfg_file, cfg_yaml

  env_file = config.env_path.to_s
  env_text = ""
  if config.env.is_a?(String)
    env_text = config.env.to_s
  end
  if config.env.is_a?(Array)
    config.env.each {|line| env_text << "#{line.to_s}\n"}
  end
  if config.env.is_a?(Hash)
    config.env.each {|key,value| env_text << "#{key.to_s}=#{quote_and_escape(value.to_s)}\n"}
  end
  file_upload "k3s-install.env", env_file, env_text

  skip_env = ""
  if config.skip_start
    skip_env = "INSTALL_K3S_SKIP_ENABLE=true"
  end
  
  prv_file = "/vagrant/k3s-provisioner.sh"
  prv_text = "    #/usr/bin/env bash\n    set -eu -o pipefail\n    chown \#{config.config_owner} \#{config.config_path}\n    chmod \#{config.config_mode} \#{config.config_path}\n    chown \#{config.env_owner} \#{config.env_path}\n    chmod \#{config.env_mode} \#{config.env_path}\n    set -o allexport\n    source \#{config.env_path}\n    set +o allexport\n    curl -fsL '\#{config.installer_url}' | \#{skip_env} sh -s - \#{args}\n  EOF\n  file_upload(\"k3s-install.sh\", prv_file, prv_text)\n  @machine.ui.info \"Invoking: \#{prv_file}\"\n\n  outputs, handler = build_outputs\n  begin\n    @machine.communicate.sudo(\"chmod +x \#{prv_file} && \#{prv_file}\", error_key: :ssh_bad_exit_status_muted, &handler)\n  ensure\n    outputs.values.map(&:close)\n  end\n\n  if not config.skip_complete\n    outputs, handler = build_outputs\n    begin\n      @machine.ui.info 'Enabling K3s autocompletion ...'\n      @machine.communicate.sudo(\"k3s completion -i bash\", error_key: :ssh_bad_exit_status_muted, &handler)\n    rescue Vagrant::Errors::VagrantError => e\n      @machine.ui.detail \"\#{e.extra_data[:stderr].chomp}\", :color => :yellow\n    ensure\n      outputs.values.map(&:close)\n    end\n  end\n\n  begin\n    exe = \"k3s\"\n    @machine.ui.info 'Checking the K3s version ...'\n    @machine.communicate.execute(\"which k3s\", :error_key => :ssh_bad_exit_status_muted) do |type, data|\n      exe = data.chomp if type == :stdout\n    end\n  rescue Vagrant::Errors::VagrantError => e\n    @machine.ui.detail \"\#{e.extra_data[:stderr].chomp}\", :color => :red\n  else\n    outputs, handler = build_outputs\n    begin\n      @machine.communicate.sudo(\"\#{exe} --version\", :error_key => :ssh_bad_exit_status_muted, &handler)\n    ensure\n      outputs.values.map(&:close)\n    end\n  end\nend\n"

#quote_and_escape(text, quote = '"') ⇒ Object 



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# File 'lib/vagrant-k3s/provisioner.rb', line 159

def quote_and_escape(text, quote = '"')
  "#{quote}#{text.to_s.gsub(/#{quote}/) { |m| "#{m}\\#{m}#{m}" }}#{quote}"
end

#with_file(name, content) ⇒ Object 



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# File 'lib/vagrant-k3s/provisioner.rb', line 132

def with_file(name, content)
  file = Tempfile.new([name])
  file.binmode
  begin
    file.write(content)
    file.fsync
    file.close
    yield file.path
  ensure
    file.close
    file.unlink
  end
end