Merge branch 'upgrade_kubeclient_400' into 'master'

Upgrade kubeclient to 4.0.0

See merge request gitlab-org/gitlab-ce!23261

Gemfile

@@ -235,7 +235,7 @@ gem 'asana', '~> 0.8.1'
 gem 'ruby-fogbugz', '~> 0.2.1'
 
 # Kubernetes integration
-gem 'kubeclient', '~> 3.1.0'
+gem 'kubeclient', '~> 4.0.0'
 
 # Sanitize user input
 gem 'sanitize', '~> 4.6'

Gemfile.lock

@@ -367,14 +367,14 @@ GEM
     html2text (0.2.0)
       nokogiri (~> 1.6)
     htmlentities (4.3.4)
-    http (2.2.2)
+    http (3.3.0)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
-      http-form_data (~> 1.0.1)
+      http-form_data (~> 2.0)
       http_parser.rb (~> 0.6.0)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    http-form_data (1.0.3)
+    http-form_data (2.1.1)
     http_parser.rb (0.6.0)
     httparty (0.13.7)
       json (~> 1.8)
@@ -418,8 +418,8 @@ GEM
     kgio (2.10.0)
     knapsack (1.17.0)
       rake
-    kubeclient (3.1.0)
-      http (~> 2.2.2)
+    kubeclient (4.0.0)
+      http (~> 3.0)
       recursive-open-struct (~> 1.0, >= 1.0.4)
       rest-client (~> 2.0)
     launchy (2.4.3)
@@ -1042,7 +1042,7 @@ DEPENDENCIES
   jwt (~> 1.5.6)
   kaminari (~> 1.0)
   knapsack (~> 1.17)
-  kubeclient (~> 3.1.0)
+  kubeclient (~> 4.0.0)
   letter_opener_web (~> 1.3.0)
   license_finder (~> 5.4)
   licensee (~> 8.9)

Gemfile.rails4.lock

@@ -364,14 +364,14 @@ GEM
     html2text (0.2.0)
       nokogiri (~> 1.6)
     htmlentities (4.3.4)
-    http (2.2.2)
+    http (3.3.0)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
-      http-form_data (~> 1.0.1)
+      http-form_data (~> 2.0)
       http_parser.rb (~> 0.6.0)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    http-form_data (1.0.3)
+    http-form_data (2.1.1)
     http_parser.rb (0.6.0)
     httparty (0.13.7)
       json (~> 1.8)
@@ -415,8 +415,8 @@ GEM
     kgio (2.10.0)
     knapsack (1.17.0)
       rake
-    kubeclient (3.1.0)
-      http (~> 2.2.2)
+    kubeclient (4.0.0)
+      http (~> 3.0)
       recursive-open-struct (~> 1.0, >= 1.0.4)
       rest-client (~> 2.0)
     launchy (2.4.3)
@@ -1033,7 +1033,7 @@ DEPENDENCIES
   jwt (~> 1.5.6)
   kaminari (~> 1.0)
   knapsack (~> 1.17)
-  kubeclient (~> 3.1.0)
+  kubeclient (~> 4.0.0)
   letter_opener_web (~> 1.3.0)
   license_finder (~> 5.4)
   licensee (~> 8.9)

changelogs/unreleased/upgrade_kubeclient_400.yml

+---
+title: Upgrade kubeclient to 4.0.0
+merge_request: 23261
+author: Praveen Arimbrathodiyil @pravi
+type: other

config/initializers/kubeclient.rb

 class Kubeclient::Client
-  # We need to monkey patch this method until
-  # https://github.com/abonas/kubeclient/pull/323 is merged
-  def proxy_url(kind, name, port, namespace = '')
-    discover unless @discovered
-    entity_name_plural =
-      if %w[services pods nodes].include?(kind.to_s)
-        kind.to_s
-      else
-        @entities[kind.to_s].resource_name
-      end
-
-    ns_prefix = build_namespace_prefix(namespace)
-    rest_client["#{ns_prefix}#{entity_name_plural}/#{name}:#{port}/proxy"].url
-  end
-
   # Monkey patch to set `max_redirects: 0`, so that kubeclient
   # does not follow redirects and expose internal services.
   # See https://gitlab.com/gitlab-org/gitlab-ce/issues/53158