Class: Middleman::Cli::CloudFlareCDN

Inherits:
BaseCDN
  • Object
show all
Defined in:
lib/middleman-cdn/cdns/cloudflare.rb

Constant Summary collapse

INVALIDATE_ZONE_THRESHOLD = 
50

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseCDN

example_configuration, #say_status

Class Method Details

.example_configuration_elements ⇒ Object 



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# File 'lib/middleman-cdn/cdns/cloudflare.rb', line 14

def self.example_configuration_elements
  {
    client_api_key: ['"..."', "# default ENV['CLOUDFLARE_CLIENT_API_KEY']"],
    email: ['"..."', "# default ENV['CLOUDFLARE_EMAIL']"],
    zone: ['"..."', ""],
    base_urls: [['http://example.com', 'https://example.com'], ""],
    invalidate_zone_for_many_files: [true, "# default true"]
  }
end

.key ⇒ Object 



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# File 'lib/middleman-cdn/cdns/cloudflare.rb', line 10

def self.key
  "cloudflare"
end

Instance Method Details

#invalidate(options, files, all: false) ⇒ Object 



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# File 'lib/middleman-cdn/cdns/cloudflare.rb', line 24

def invalidate(options, files, all: false)
  options[:invalidate_zone_for_many_files] = true unless options.key?(:invalidate_zone_for_many_files)
  options[:client_api_key] ||= ENV['CLOUDFLARE_CLIENT_API_KEY']
  options[:email] ||= ENV['CLOUDFLARE_EMAIL']

  [:client_api_key, :email, :zone, :base_urls].each do |key|
    if options[key].blank?
      say_status(ANSI.red{ "Error: Configuration key cloudflare[:#{key}] is missing." })
      raise
    end
  end

  options[:base_urls] = [options[:base_urls]] if options[:base_urls].is_a?(String)
  if !options[:base_urls].is_a?(Array)
    say_status(ANSI.red{ "Error: Configuration key cloudflare[:base_urls] must be an array and contain at least one base url." })
    raise
  end

  cloudflare = ::Cloudflare::connect(key: options[:client_api_key], email: options[:email])
  zone = cloudflare.zones.find_by_name(options[:zone])
  if all || (options[:invalidate_zone_for_many_files] && files.count > INVALIDATE_ZONE_THRESHOLD)
    begin
      say_status("Invalidating zone #{zone}... ", newline: false)
      zone.purge_cache
    rescue => e
      say_status(", " + ANSI.red{ "error: #{e.message}" }, header: false)
    else
      say_status(ANSI.green{ "✔" }, header: false)
    end
  else
    begin
      urls = options[:base_urls].map do |base_url|
        files.map { |file| "#{base_url}#{file}" }
      end

      say_status("Invalidating #{urls}... ", newline: false)
      zone.purge_cache(files: urls.flatten)
    rescue => e
      say_status(", " + ANSI.red{ "error: #{e.message}" }, header: false)
    else
      say_status(ANSI.green{ "✔" }, header: false)
    end
  end
end