Add Kubernetes docs

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -482,6 +482,11 @@ credits = [
     '2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors',
     'Apache',
     'https://raw.githubusercontent.com/JetBrains/kotlin/master/license/LICENSE.txt'
+  ], [
+    'Kubernetes',
+    '2022 The Kubernetes Authors and The Linux Foundation',
+    'Apache License 2.0',
+    'https://github.com/kubernetes/kubernetes/blob/master/LICENSE'
   ], [
     'Laravel',
     'Taylor Otwell',

assets/stylesheets/application.css.scss

@@ -74,6 +74,7 @@
         'pages/julia',
         'pages/knockout',
         'pages/kotlin',
+        'pages/kubernetes',
         'pages/laravel',
         'pages/liquid',
         'pages/love',

assets/stylesheets/pages/_kubernetes.scss

@@ -0,0 +1,4 @@
+._kubernetes {
+  @extend %simple;
+
+}

lib/docs/filters/kubernetes/clean_html.rb

@@ -0,0 +1,18 @@
+module Docs
+  class Kubernetes
+    class CleanHtmlFilter < Filter
+
+      def call
+
+        # remove the API Operations section from the docs
+        # by removing the h2 of id=Opetations
+        # and all the preceding elements
+        css('#Operations ~ *').remove
+        css('#Operations').remove
+
+        doc 
+      end
+
+    end
+  end
+end

lib/docs/filters/kubernetes/entries.rb

@@ -0,0 +1,35 @@
+module Docs
+  class Kubernetes
+    class EntriesFilter < Docs::EntriesFilter
+
+      def get_name
+        at_css('h1').content
+      end
+
+      def get_type
+        name
+      end
+
+      def additional_entries
+        entries = css('h2').to_a()
+        # remove the Operations section
+        entries.filter! {|node| node['id'] != 'Operations' }
+        # remove the ObjectList section
+        entries.filter! {|node| node['id'] != name + 'List' }
+        # remove the Object section, most of the documents start with (h1.Pod => h2.Pod h2.PodSpec ...)
+        entries.filter! {|node| node['id'] != name }
+        
+        entries.map do |node|
+          # split all names into YAML object notation (ConfigMapSpec) ==> (ConfigMap.Spec)
+          child_name = node.content
+          if child_name.starts_with?(name) && child_name.length > name.length
+            child_name = name + child_name.sub(name, '.')
+          end
+
+          [child_name, node['id']]
+        end
+      end
+
+    end
+  end
+end

lib/docs/scrapers/kubernetes.rb

@@ -0,0 +1,46 @@
+module Docs
+  class Kubernetes < UrlScraper
+    self.name = 'Kubernetes'
+    self.type = 'kubernetes'
+    self.root_path = '/'
+    self.links = {
+      home: 'https://kubernetes.io/',
+      code: 'https://github.com/kubernetes/kubernetes'
+    }
+    self.release = "1.23"
+
+    # https://kubernetes.io/docs/reference/kubernetes-api/
+    html_filters.push 'kubernetes/entries', 'kubernetes/clean_html'
+
+    # options[:max_image_size] = 300_000
+    options[:container] = '.td-content'
+
+    options[:attribution] = <<-HTML
+      &copy; 2022 The Kubernetes Authors | Documentation Distributed under CC BY 4.0 <br>
+      Copyright &copy; 2022 The Linux Foundation ®. All rights reserved.
+    HTML
+
+    # latest version has a special URL that does not include the version identifier 
+    version '1.23' do
+      self.release = "#{version}"
+      self.base_url = "https://kubernetes.io/docs/reference/kubernetes-api/"
+    end
+
+    version '1.20' do
+      self.release = "#{version}"
+      verStr = version.sub('.', '-')
+      self.base_url = "https://v#{verStr}.docs.kubernetes.io/docs/reference/kubernetes-api/"
+    end
+
+    version '1.19' do
+      self.release = "#{version}"
+      verStr = version.sub('.', '-')
+      self.base_url = "https://v#{verStr}.docs.kubernetes.io/docs/reference/kubernetes-api/"
+    end
+
+    def get_latest_version(opts)
+      get_latest_github_release('kubernetes', 'kubernetes', opts)
+    end
+
+  end
+end

public/icons/docs/kubernetes/SOURCE

@@ -0,0 +1 @@
+https://cncf-branding.netlify.app/projects/kubernetes/