module Docs  class Docker < UrlScraper    self.type = 'simple'    self.links = {      home: 'https://docker.com/',      code: 'https://github.com/docker/docker'    }     options[:trailing_slash] = true     options[:fix_urls] = ->(url) do      url.sub! %r{\.md/?(?=#|\z)}, '/'      url.sub! '/index/', '/'      url    end     options[:attribution] = <<-HTML      &copy; 2019 Docker, Inc.<br>      Licensed under the Apache License, Version 2.0.<br>      Docker and the Docker logo are trademarks or registered trademarks of Docker, Inc. in the United States and/or other countries.<br>      Docker, Inc. and other parties may also have trademark rights in other terms used herein.    HTML     version '19' do      self.release = '19.03'      self.base_url = "https://docs.docker.com/"       html_filters.push 'docker/entries', 'docker/clean_html'       options[:container] = '.wrapper .container-fluid .row'       options[:only_patterns] = [/\Aget-started\//, /\Aengine\//, /\Acompose\//, /\Amachine\//, /\Anotary\//]      options[:skip_patterns] = [/\Aengine\/api\/v/, /glossary/, /docker-ee/]       options[:replace_paths] = {        'install/linux/ubuntu/' => 'install/linux/docker-ce',        'get-started/part1' => 'get-started',        'engine/installation/' => 'install',        'engine/installation/linux/linux-postinstall/' => 'install/linux',        'compose/overview/' => 'compose',        'docker-cloud/' => 'docker-hub',        'datacenter/install/linux/' => 'ee',        'engine/userguide/' => 'config/daemon',        'engine/admin/' => 'config/daemon',        'opensource/get-help/' => 'opensource',        'engine/tutorials/dockerimages/' => 'get-started',        'engine/admin/volumes/bind-mounts/' => 'storage',        'engine/tutorials/dockervolumes/' => 'storage',        'engine/admin/volumes/volumes/' => 'storage',        'engine/userguide/labels-custom-metadata/' => 'config',        'engine/userguide/eng-image/multistage-build/' => 'develop/develop-images',        'engine/swarm/networking/' => 'network',        'engine/admin/resource_constraints/' => 'config/containers',        'engine/admin/logging/overview/' => 'config/containers/logging',        'engine/userguide/eng-image/dockerfile_best-practices/' => 'develop/develop-images',        'engine/tutorials/dockerrepos/' => 'get-started',        'engine/userguide/networking/' => 'network',        'engine/userguide/networking/get-started-overlay/' => 'network',        'engine/reference/commandline/swarm_join_token/' => 'engine/reference/commandline',        'engine/understanding-docker/' => 'engine',        'engine/userguide/dockervolumes/' => 'storage',        'engine/installation/binaries/' => 'install/linux/docker-ce',        'engine/userguide/networking/default_network/dockerlinks/' => 'network',        'engine/reference/api/' => 'develop/sdk',        'engine/admin/systemd/' => 'config/daemon',        'engine/userguide/storagedriver/imagesandcontainers/' => 'storage/storagedriver',        'engine/api/' => 'develop/sdk',        'engine/userguide/networking/get-started-overlay' => 'network',        'engine/userguide/networking/overlay-security-model/' => 'network',        'engine/installation/linux/docker-ce/binaries/' => 'install/linux/docker-ce',        'engine/admin/volumes/' => 'storage/volumes/',        'engine/userguide/networking//' => 'network',        'engine/reference/commandline' => 'engine/reference/commandline/docker',        'engine/reference/commandline/' => 'engine/reference/commandline/docker/',      }    end     version '18' do      self.release = '18.09'      self.base_url = "https://docs.docker.com/v#{release}/"       html_filters.push 'docker/entries', 'docker/clean_html'       options[:container] = '.wrapper .container-fluid .row'       options[:only_patterns] = [/\Aget-started\//, /\Aengine\//, /\Acompose\//, /\Amachine\//, /\Anotary\//]      options[:skip_patterns] = [/\Aengine\/api\/v/, /glossary/, /docker-ee/]       options[:replace_paths] = {        'install/linux/ubuntu/' => 'install/linux/docker-ce',        'get-started/part1' => 'get-started',        'engine/installation/' => 'install',        'engine/installation/linux/linux-postinstall/' => 'install/linux',        'compose/overview/' => 'compose',        'datacenter/install/linux/' => 'ee',        'engine/userguide/' => 'config/daemon',        'engine/admin/' => 'config/daemon',        'opensource/get-help/' => 'opensource',        'engine/tutorials/dockerimages/' => 'get-started',        'engine/admin/volumes/bind-mounts/' => 'storage',        'engine/tutorials/dockervolumes/' => 'storage',        'engine/admin/volumes/volumes/' => 'storage',        'engine/userguide/labels-custom-metadata/' => 'config',        'engine/reference/api/' => 'develop/sdk',        'engine/userguide/eng-image/multistage-build/' => 'develop/develop-images',        'engine/swarm/networking/' => 'network',        'engine/admin/resource_constraints/' => 'config/containers',        'engine/admin/logging/overview/' => 'config/containers/logging',        'engine/userguide/eng-image/dockerfile_best-practices/' => 'develop/develop-images',        'engine/tutorials/dockerrepos/' => 'get-started',        'engine/userguide/networking/' => 'network',        'engine/userguide/networking/get-started-overlay/' => 'network',        'engine/understanding-docker/' => 'engine',        'engine/reference/commandline/swarm_join_token/' => 'engine/reference/commandline',        'engine/userguide/dockervolumes/' => 'storage',        'engine/admin/systemd/' => 'config/daemon',        'engine/userguide/storagedriver/imagesandcontainers/' => 'storage/storagedriver',        'engine/installation/binaries/' => 'install/linux/docker-ce',        'engine/userguide/networking/default_network/dockerlinks/' => 'network',        'engine/userguide/networking/overlay-security-model/' => 'network',        'engine/userguide/networking/get-started-overlay' => 'network',        'engine/api/' => 'develop/sdk',        'engine/installation/linux/docker-ce/binaries/' => 'install/linux/docker-ce',        'engine/admin/volumes/' => 'storage/volumes/',        'engine/userguide/networking//' => 'network',        'engine/reference/commandline' => 'engine/reference/commandline/docker',        'engine/reference/commandline/' => 'engine/reference/commandline/docker/',      }    end     version '17' do      self.release = '17.12'      self.base_url = "https://docs.docker.com/v#{release}/"       html_filters.push 'docker/entries', 'docker/clean_html'       options[:container] = '.wrapper .container-fluid .row'       options[:only_patterns] = [/\Aget-started\//, /\Aengine\//, /\Acompose\//, /\Amachine\//, /\Anotary\//]      options[:skip_patterns] = [/\Aengine\/api\/v/, /glossary/, /docker-ee/]       options[:replace_paths] = {        'get-started/part1' => 'get-started',        'engine/installation/' => 'install',        'engine/installation/linux/linux-postinstall/' => 'install/linux',        'opensource/get-help/' => 'opensource',        'engine/admin/volumes/volumes/' => 'storage',        'engine/tutorials/dockerimages/' => 'get-started',        'engine/admin/volumes/bind-mounts/' => 'storage',        'engine/tutorials/dockervolumes/' => 'storage',        'datacenter/install/aws/' => 'docker-for-aws',        'engine/userguide/' => 'config/daemon',        'engine/admin/' => 'config/daemon',        'engine/userguide/labels-custom-metadata/' => 'config',        'engine/userguide/eng-image/multistage-build/' => 'develop/develop-images',        'engine/swarm/networking/' => 'network',        'engine/admin/resource_constraints/' => 'config/containers',        'engine/admin/logging/overview/' => 'config/containers/logging',        'engine/understanding-docker/' => 'engine',        'engine/userguide/eng-image/dockerfile_best-practices/' => 'develop/develop-images',        'engine/tutorials/dockerrepos/' => 'get-started',        'engine/userguide/networking/' => 'network',        'engine/reference/commandline/swarm_join_token/' => 'edge/engine/reference/commandline',        'engine/userguide/networking/get-started-overlay/' => 'network',        'engine/userguide/dockervolumes/' => 'storage',        'engine/installation/binaries/' => 'install/linux/docker-ce',        'engine/userguide/networking/default_network/dockerlinks/' => 'network',        'engine/reference/api/' => 'develop/sdk',        'engine/admin/live-restore/' => 'config/containers',        'engine/api/' => 'develop/sdk',        'engine/userguide/networking/get-started-overlay' => 'network',        'security/security/' => 'engine/security',        'engine/installation/linux/docker-ce/binaries/' => 'install/linux/docker-ce',        'engine/reference/commandline/' => 'edge/engine/reference/commandline',        'engine/admin/systemd/' => 'config/daemon',        'engine/userguide/storagedriver/imagesandcontainers/' => 'storage/storagedriver',        'engine/userguide/networking/overlay-security-model/' => 'network',        'engine/admin/volumes/' => 'storage/volumes/',        'engine/userguide/networking//' => 'network',      }    end     module OldOptions      def self.included(klass)        klass.options[:only_patterns] = [/\Aengine\//, /\Acompose\//, /\Amachine\//]        klass.options[:skip_patterns] = [/\Aengine\/api\/v/, /\Aengine\/installation/]        klass.options[:skip] = %w(          /          engine/userguide/          engine/examples/          engine/reference/          engine/reference/api/          engine/reference/api/docker_remote_api_v1.24/          engine/getstarted/linux_install_help/          machine/reference/          machine/drivers/          machine/examples/          compose/reference/        )        klass.options[:replace_paths] = {          'engine/userguide/networking/dockernetworks/' => 'engine/userguide/networking/',          'engine/userguide/dockervolumes/'             => 'engine/tutorials/dockervolumes/',          'engine/reference/logging/overview/'          => 'engine/admin/logging/overview/',          'engine/reference/commandline/daemon/'        => 'engine/reference/commandline/dockerd/',          'engine/reference/commandline/'               => 'engine/reference/commandline/docker/',          'engine/reference/api/docker_remote_api/'     => 'engine/api/',          'engine/swarm/how-swarm-mode-works/'          => 'engine/swarm/how-swarm-mode-works/nodes/',          'engine/tutorials/dockerizing/'               => 'engine/getstarted/step_one/',          'engine/tutorials/usingdocker/'               => 'engine/getstarted/step_three/',          'engine/tutorials/dockerimages/'              => 'engine/getstarted/step_four/',          'engine/tutorials/dockerrepos/'               => 'engine/getstarted/step_six/'        }      end    end     version '1.13' do      include OldOptions       self.release = '1.13'      self.base_url = "https://docs.docker.com/v#{self.version}/"       html_filters.push 'docker/entries_old', 'docker/clean_html_old'       options[:container] = '.container-fluid .row'    end     version '1.12' do      include OldOptions       self.release = '1.12'      self.base_url = "https://docs.docker.com/v#{self.version}/"       html_filters.push 'docker/entries_old', 'docker/clean_html_old'       options[:container] = '.container-fluid .row'    end     version '1.11' do      include OldOptions       self.release = '1.11'      self.base_url = "https://docs.docker.com/v#{self.version}/"       html_filters.push 'docker/entries_very_old', 'docker/clean_html_very_old'       options[:container] = '#docs'      options[:only_patterns] << /\Aswarm\//    end     version '1.10' do      include OldOptions       self.release = '1.10'      self.base_url = "https://docs.docker.com/v#{self.version}/"       html_filters.push 'docker/entries_very_old', 'docker/clean_html_very_old'       options[:container] = '#docs'      options[:only_patterns] << /\Aswarm\//    end     def get_latest_version(opts)      doc = fetch_doc('https://docs.docker.com/engine/release-notes/', opts)      latest_version = doc.at_css('.content > section > h1[id^="version-"]').content.strip      latest_version.rpartition(' ')[-1]    end  endend