1 files changed, 95 insertions, 0 deletions
diff --git a/lib/api/internal/kubernetes.rb b/lib/api/internal/kubernetes.rb
new file mode 100644
index 00000000000..7f64fd7efe3
--- /dev/null
+++ b/lib/api/internal/kubernetes.rb
@@ -0,0 +1,95 @@
+# frozen_string_literal: true
+
+module API
+  # Kubernetes Internal API
+  module Internal
+    class Kubernetes < Grape::API::Instance
+      helpers do
+        def agent_token
+          @agent_token ||= cluster_agent_token_from_authorization_token
+        end
+
+        def agent
+          @agent ||= agent_token.agent
+        end
+
+        def repo_type
+          Gitlab::GlRepository::PROJECT
+        end
+
+        def gitaly_info(project)
+          shard = repo_type.repository_for(project).shard
+          {
+            address: Gitlab::GitalyClient.address(shard),
+            token: Gitlab::GitalyClient.token(shard),
+            features: Feature::Gitaly.server_feature_flags
+          }
+        end
+
+        def gitaly_repository(project)
+          {
+            storage_name: project.repository_storage,
+            relative_path: project.disk_path + '.git',
+            gl_repository: repo_type.identifier_for_container(project),
+            gl_project_path: repo_type.repository_for(project).full_path
+          }
+        end
+
+        def check_feature_enabled
+          not_found! unless Feature.enabled?(:kubernetes_agent_internal_api)
+        end
+
+        def check_agent_token
+          forbidden! unless agent_token
+        end
+      end
+
+      namespace 'internal' do
+        namespace 'kubernetes' do
+          before do
+            check_feature_enabled
+            check_agent_token
+          end
+
+          desc 'Gets agent info' do
+            detail 'Retrieves agent info for the given token'
+          end
+          route_setting :authentication, cluster_agent_token_allowed: true
+          get '/agent_info' do
+            project = agent.project
+
+            status 200
+            {
+              project_id: project.id,
+              agent_id: agent.id,
+              agent_name: agent.name,
+              gitaly_info: gitaly_info(project),
+              gitaly_repository: gitaly_repository(project)
+            }
+          end
+
+          desc 'Gets project info' do
+            detail 'Retrieves project info (if authorized)'
+          end
+          route_setting :authentication, cluster_agent_token_allowed: true
+          get '/project_info' do
+            project = find_project(params[:id])
+
+            # TODO sort out authorization for real
+            # https://gitlab.com/gitlab-org/gitlab/-/issues/220912
+            if !project || !project.public?
+              not_found!
+            end
+
+            status 200
+            {
+              project_id: project.id,
+              gitaly_info: gitaly_info(project),
+              gitaly_repository: gitaly_repository(project)
+            }
+          end
+        end
+      end
+    end
+  end
+end