Class: Bolt::PAL::YamlPlan::Step::Resources

Inherits:
Step
  • Object
show all
Defined in:
lib/bolt/pal/yaml_plan/step/resources.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(body) ⇒ Resources

Returns a new instance of Resources.



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# File 'lib/bolt/pal/yaml_plan/step/resources.rb', line 16

def initialize(body)
  super
  @body['resources'] = normalize_resources(@body['resources'])
end

Class Method Details

.option_keys ⇒ Object 



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# File 'lib/bolt/pal/yaml_plan/step/resources.rb', line 8

def self.option_keys
  Set['catch_errors', 'description', 'noop', 'run_as']
end

.required_keys ⇒ Object 



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# File 'lib/bolt/pal/yaml_plan/step/resources.rb', line 12

def self.required_keys
  Set['resources', 'targets']
end

.validate(body, step_number) ⇒ Object 



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# File 'lib/bolt/pal/yaml_plan/step/resources.rb', line 85

def self.validate(body, step_number)
  super

  body['resources'].each do |resource|
    if resource['type'] || resource['title']
      if !resource['type']
        err = "Resource declaration must include type key if title key is set"
        raise StepError.new(err, body['name'], step_number)
      elsif !resource['title']
        err = "Resource declaration must include title key if type key is set"
        raise StepError.new(err, body['name'], step_number)
      end
    else
      type_keys = (resource.keys - ['parameters'])
      if type_keys.empty?
        err = "Resource declaration is missing a type"
        raise StepError.new(err, body['name'], step_number)
      elsif type_keys.length > 1
        err = "Resource declaration has ambiguous type: could be #{type_keys.join(' or ')}"
        raise StepError.new(err, body['name'], step_number)
      end
    end
  end
end

Instance Method Details

#evaluate(scope, evaluator) ⇒ Object 



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# File 'lib/bolt/pal/yaml_plan/step/resources.rb', line 32

def evaluate(scope, evaluator)
  evaluated = evaluator.evaluate_code_blocks(scope, body)

  scope.call_function('apply_prep', evaluated['targets'])

  apply_args = format_args(evaluated)
  manifest   = generate_manifest(evaluated['resources'])
  apply_manifest(scope, apply_args, manifest)
end

#transpile ⇒ Object 



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# File 'lib/bolt/pal/yaml_plan/step/resources.rb', line 127

def transpile
  code = StringIO.new

  code.print "  "
  code << function_call('apply_prep', [body['targets']])
  code.print "\n"

  code.print "  "
  code.print "$#{body['name']} = " if body['name']

  code << function_call('apply', format_args(body))

  code.print " {\n"

  declarations = body['resources'].map do |resource|
    type = resource['type'].is_a?(EvaluableString) ? resource['type'].value : resource['type']
    title = Bolt::Util.to_code(resource['title'])
    parameters = resource['parameters'].transform_values do |val|
      Bolt::Util.to_code(val)
    end

    resource_str = StringIO.new
    if parameters.empty?
      resource_str.puts "    #{type} { #{title}: }"
    else
      resource_str.puts "    #{type} { #{title}:"
      parameters.each do |key, val|
        resource_str.puts "      #{key} => #{val},"
      end
      resource_str.puts "    }"
    end
    resource_str.string
  end

  code.puts declarations.join("    ->\n")

  code.puts "  }\n"
  code.string
end