Class: TrainSH::Detectors::KitchenTarget

Inherits:
TargetDetector show all
Defined in:
lib/trainsh/detectors/target/kitchen.rb

Class Method Summary collapse

Methods inherited from TargetDetector

descendants, #to_s, #url

Class Method Details

.kitchen_directory ⇒ Object 



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# File 'lib/trainsh/detectors/target/kitchen.rb', line 40

def self.kitchen_directory
  # TODO: Recurse up
  '.kitchen' if Dir.exist?('.kitchen')
end

.prefix_env_vars ⇒ Object 



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# File 'lib/trainsh/detectors/target/kitchen.rb', line 45

def self.prefix_env_vars
  kitchen_vars = ENV.select { |key, _value| key.start_with? 'KITCHEN_' }

  # rubocop:disable Style/StringConcatenation
  kitchen_vars.map { |key, value| "#{key}=\"#{value}\"" }.join(' ') + ' '
  # rubocop:enable Style/StringConcatenation
end

.url ⇒ Object 



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# File 'lib/trainsh/detectors/target/kitchen.rb', line 8

def self.url
  return unless kitchen_directory

  files = Dir.glob("#{kitchen_directory}/*.yml")
  return if files.empty?

  # TODO: allow connecting to multiple instances
  if files.count > 1
    say "Found #{files.count} active kitchen instances, while only supporting 1"
    exit
  end

  # Can get IP only from YAML files
  instance_yaml = YAML.load_file(files.first)

  # Can get user + protocol only from kitchen
  instance_name = File.basename(files.first, '.yml')
  env_prefix    = prefix_env_vars
  cmd           = "#{env_prefix} kitchen diagnose #{instance_name}"
  instance_data = YAML.safe_load(`#{cmd}`, [Symbol, Array, String])

  transport = instance_data.dig('instances', instance_name, 'transport')

  # TODO: Additional parameters like keypair etc
  format('%<transport>s://%<user>s%<password>s@%<host>s',
         transport: transport['name'],
         user: transport['username'] || transport['user'],
         password: transport['password'] ? ":#{transport['password']}" : '',
         host: instance_yaml['hostname'] || instance_yaml['host']
        )
end