Class: Central::Machine::Vagrant::MasterProvisioner

Inherits:
Object
  • Object
show all
Includes:
RandomName
Defined in:
lib/central/machine/vagrant/master_provisioner.rb

Constant Summary collapse

API_URL = 
'http://192.168.66.100:8080'.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ MasterProvisioner

Returns a new instance of MasterProvisioner.



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# File 'lib/central/machine/vagrant/master_provisioner.rb', line 15

def initialize
  @client = Excon.new(API_URL)
end

Instance Attribute Details

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/central/machine/vagrant/master_provisioner.rb', line 13

def client
  @client
end

Instance Method Details

#erb(template, vars) ⇒ Object 



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# File 'lib/central/machine/vagrant/master_provisioner.rb', line 63

def erb(template, vars)
  ERB.new(template).result(OpenStruct.new(vars).instance_eval { binding })
end

#generate_name ⇒ Object 



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# File 'lib/central/machine/vagrant/master_provisioner.rb', line 73

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

#master_running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/central/machine/vagrant/master_provisioner.rb', line 67

def master_running?
  client.get(path: '/').status == 200
rescue
  false
end

#run!(opts) ⇒ Object 



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# File 'lib/central/machine/vagrant/master_provisioner.rb', line 19

def run!(opts)
  name = generate_name
  version = opts[:version]
  memory = opts[:memory] || 1024
  auth_server = opts[:auth_server]
  vault_secret = opts[:vault_secret]
  vault_iv = opts[:vault_iv]
  vagrant_path = "#{Dir.home}/.central/vagrant_master/"
  if Dir.exist?(vagrant_path)
    abort('Oops... cannot create Central Machine! You can run only one Central Machine with Vagrant'.colorize(:red))
  end
  FileUtils.mkdir_p(vagrant_path)

  template = File.join(__dir__, '/Vagrantfile.master.rb.erb')
  cloudinit_template = File.join(__dir__, '/cloudinit.yml')
  vars = {
    name: name,
    version: version,
    memory: memory,
    auth_server: auth_server,
    vault_secret: vault_secret,
    vault_iv: vault_iv,
    cloudinit: "#{vagrant_path}/cloudinit.yml"
  }
  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)
  Dir.chdir(vagrant_path) do
    ShellSpinner "Creating Vagrant machine #{name.colorize(:cyan)} " do
      Open3.popen2('vagrant box update && vagrant up') do |_stdin, output, _wait|
        while o = output.gets
          print o if ENV['DEBUG']
        end
      end
    end
    ShellSpinner "Waiting for #{name.colorize(:cyan)} to start " do
      sleep 1 until master_running?
    end
    puts "Central Machine is now running at #{API_URL}"
    puts "Use #{"cm login #{API_URL}".colorize(:light_black)} to complete Central Machine setup"
  end
end