Class: Kontena::Machine::Vagrant::NodeProvisioner

Inherits:
Object
  • Object
show all
Includes:
Cli::ShellSpinner, Common, RandomName
Defined in:
lib/kontena/machine/vagrant/node_provisioner.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Common

#erb, #run_command

Constructor Details

#initialize(api_client) ⇒ NodeProvisioner

Returns a new instance of NodeProvisioner.

Parameters:

  • api_client (Kontena::Client) —

    Kontena api client



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# File 'lib/kontena/machine/vagrant/node_provisioner.rb', line 13

def initialize(api_client)
  @api_client = api_client
end

Instance Attribute Details

#api_client ⇒ Object (readonly)

Returns the value of attribute api_client.



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# File 'lib/kontena/machine/vagrant/node_provisioner.rb', line 10

def api_client
  @api_client
end

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/kontena/machine/vagrant/node_provisioner.rb', line 10

def client
  @client
end

Instance Method Details

#generate_name ⇒ Object 



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# File 'lib/kontena/machine/vagrant/node_provisioner.rb', line 67

def generate_name
  "#{super}-#{rand(1..99)}"
end

#node_exists_in_grid?(grid, name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kontena/machine/vagrant/node_provisioner.rb', line 71

def node_exists_in_grid?(grid, name)
  api_client.get("grids/#{grid}/nodes")['nodes'].find{|n| n['name'] == name}
end

#run!(opts) ⇒ Object 



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# File 'lib/kontena/machine/vagrant/node_provisioner.rb', line 17

def run!(opts)
  grid = opts[:grid]
  if opts[:name]
    name = "#{opts[:name]}-#{opts[:instance_number]}"
  else
    name = generate_name
  end
  version = opts[:version]
  vagrant_path = "#{Dir.home}/.kontena/#{grid}/#{name}"
  FileUtils.mkdir_p(vagrant_path)

  template = File.join(__dir__ , '/Vagrantfile.node.rb.erb')
  cloudinit_template = File.join(__dir__ , '/cloudinit.yml')
  vars = {
    name: name,
    version: version,
    cpus: opts[:cpus] || 1,
    memory: opts[:memory] || 1024,
    network_address: opts[:network_address],
    master_uri: opts[:master_uri],
    grid_token: opts[:grid_token],
    coreos_channel: opts[:coreos_channel],
    cloudinit: "#{vagrant_path}/cloudinit.yml"
  }
   "Generating Vagrant config" do
    vagrant_data = erb(File.read(template), vars)
    cloudinit = erb(File.read(cloudinit_template), vars)
    File.write("#{vagrant_path}/Vagrantfile", vagrant_data)
    File.write("#{vagrant_path}/cloudinit.yml", cloudinit)
  end

  node = nil
  Dir.chdir(vagrant_path) do
     "Triggering CoreOS Container Linux box update"
    system('vagrant box update')
     "Executing 'vagrant up'"
    run_command('vagrant up')
     "'vagrant up' executed successfully"
     "Waiting for node #{name.colorize(:cyan)} to join grid #{grid.colorize(:cyan)} " do
      sleep 1 until node = node_exists_in_grid?(grid, name)
    end
  end
  set_labels(
    node,
    [
      "provider=vagrant"
    ]
  )
end

#set_labels(node, labels) ⇒ Object 



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# File 'lib/kontena/machine/vagrant/node_provisioner.rb', line 75

def set_labels(node, labels)
  data = {labels: labels}
  api_client.put("nodes/#{node['id']}", data, {}, {'Kontena-Grid-Token' => node['grid']['token']})
end