Module: Kontena::Cli::Stacks::Common::StackValuesFromOption

Included in:
BuildCommand, InstallCommand, UpgradeCommand, ValidateCommand
Defined in:
lib/kontena/cli/stacks/common.rb

Defined Under Namespace

Modules: InstanceMethods

Class Method Summary collapse

Class Method Details

.included(where) ⇒ Object

Include to add –values-from option to read variable values from a YAML file and the -v variable=value option that can be used to pass variable values directly from command line



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# File 'lib/kontena/cli/stacks/common.rb', line 94

def self.included(where)
  where.prepend InstanceMethods

  where.option '--values-from', '[FILE]', 'Read variable values from a YAML file', multivalued: true do |filename|
    values_from_file.merge!(::YAML.safe_load(File.read(filename), [], [], true, filename))
    filename
  end

  where.option '--values-from-stack', '[STACK_NAME]', 'Read variable values from an installed stack', multivalued: true do |stackname|
    variables = read_values_from_stacks(stackname)
    Kontena.logger.debug { "Received variables from stack #{stackname} on Master: #{variables.inspect}" }
    warn "Stack #{stackname} does not have any values for variables" if variables.empty?
    values_from_installed_stacks.merge!(variables)
    stackname
  end

  where.option '-v', "VARIABLE=VALUE", "Set stack variable values, example: -v domain=example.com. Can be used multiple times.", multivalued: true, attribute_name: :var_option do |var_pair|
    var_name, var_value = var_pair.split('=', 2)
    values_from_value_options.merge!(::YAML.safe_load(::YAML.dump(var_name => var_value)))
    var_pair
  end
end