Class: Bosh::Director::Core::Templates::JobTemplateRenderer

Inherits:
Object
  • Object
show all
Defined in:
lib/bosh/director/core/templates/job_template_renderer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, template_name, monit_erb, source_erbs, logger) ⇒ JobTemplateRenderer

Returns a new instance of JobTemplateRenderer.



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# File 'lib/bosh/director/core/templates/job_template_renderer.rb', line 11

def initialize(name, template_name, monit_erb, source_erbs, logger)
  @name = name
  @template_name = template_name
  @monit_erb = monit_erb
  @source_erbs = source_erbs
  @logger = logger
end

Instance Attribute Details

#monit_erb ⇒ Object (readonly)

Returns the value of attribute monit_erb.



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# File 'lib/bosh/director/core/templates/job_template_renderer.rb', line 9

def monit_erb
  @monit_erb
end

#source_erbs ⇒ Object (readonly)

Returns the value of attribute source_erbs.



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# File 'lib/bosh/director/core/templates/job_template_renderer.rb', line 9

def source_erbs
  @source_erbs
end

Instance Method Details

#render(spec) ⇒ Object 



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# File 'lib/bosh/director/core/templates/job_template_renderer.rb', line 19

def render(spec)
  if spec['properties_need_filtering']
    spec = remove_unused_properties(spec)
  end

  template_context = Bosh::Template::EvaluationContext.new(Bosh::Common::DeepCopy.copy(spec))
  monit = monit_erb.render(template_context, @logger)

  errors = []

  rendered_files = source_erbs.map do |source_erb|
    template_context = Bosh::Template::EvaluationContext.new(Bosh::Common::DeepCopy.copy(spec))

    begin
      file_contents = source_erb.render(template_context, @logger)
    rescue Exception => e
      errors.push e
    end

    RenderedFileTemplate.new(source_erb.src_name, source_erb.dest_name, file_contents)
  end

  if errors.length > 0
    message = "Unable to render templates for job '#{@name}'. Errors are:"

    errors.each do |e|
      message = "#{message}\n   - #{e.message.gsub(/\n/, "\n  ")}"
    end

    raise message
  end

  RenderedJobTemplate.new(@name, monit, rendered_files)
end