Ground work for Kubernetes config files dropdownzj-kubernetes-config-templates

Fixes, at least partially #21486.

TODO:
- [ ] Frontend
- [ ] Create a project containing all the configuration files
- [ ] Add tests

[ci skip]

3 files changed, 32 insertions, 3 deletions

diff --git a/lib/api/templates.rb b/lib/api/templates.rb
index b9e718147e1..a64730b0715 100644
--- a/lib/api/templates.rb
+++ b/lib/api/templates.rb
@@ -1,8 +1,9 @@
 module API
   class Templates < Grape::API
     GLOBAL_TEMPLATE_TYPES = {
-      gitignores:     Gitlab::Template::GitignoreTemplate,
-      gitlab_ci_ymls: Gitlab::Template::GitlabCiYmlTemplate
+      gitignores:         Gitlab::Template::GitignoreTemplate,
+      gitlab_ci_ymls:     Gitlab::Template::GitlabCiYmlTemplate,
+      kubernetes_config:  Gitlab::Template::KubernetesConfigTemplate
     }.freeze
 
     helpers do
diff --git a/lib/gitlab/template/kubernetes_config_template.rb b/lib/gitlab/template/kubernetes_config_template.rb
new file mode 100644
index 00000000000..a70550f31f4
--- /dev/null
+++ b/lib/gitlab/template/kubernetes_config_template.rb
@@ -0,0 +1,25 @@
+module Gitlab
+  module Template
+    class KubernetesConfigTemplate < BaseTemplate
+      class << self
+        def extension
+          '_pod.yaml'
+        end
+
+        def categories
+          {
+            "Default" => ''
+          }
+        end
+
+        def base_dir
+          Rails.root.join('vendor/kubernetes')
+        end
+
+        def finder(project = nil)
+          Gitlab::Template::Finders::GlobalTemplateFinder.new(self.base_dir, self.extension, self.categories)
+        end
+      end
+    end
+  end
+end
diff --git a/lib/tasks/gitlab/update_templates.rake b/lib/tasks/gitlab/update_templates.rake
index 4f76dad7286..7459cc82b19 100644
--- a/lib/tasks/gitlab/update_templates.rake
+++ b/lib/tasks/gitlab/update_templates.rake
@@ -45,7 +45,10 @@ namespace :gitlab do
     Template.new(
       "https://gitlab.com/gitlab-org/gitlab-ci-yml.git",
       /(\.{1,2}|LICENSE|Pages|\.gitlab-ci.yml)\z/
-    )
+    ),
+    Template.new(
+      "https://gitlab.com/gitlab-org/to-be-determined.git",
+      /(\.{1,2}|_pod.yaml)\z/
   ]
 
   def vendor_directory