1 files changed, 35 insertions, 2 deletions

diff --git a/lib/api/releases.rb b/lib/api/releases.rb
index c20e618efd1..c65a23e334f 100644
--- a/lib/api/releases.rb
+++ b/lib/api/releases.rb
@@ -6,9 +6,12 @@ module API
 
     RELEASE_ENDPOINT_REQUIREMENTS = API::NAMESPACE_OR_PROJECT_REQUIREMENTS
       .merge(tag_name: API::NO_SLASH_URL_PART_REGEX)
+    RELEASE_CLI_USER_AGENT = 'GitLab-release-cli'
 
     before { authorize_read_releases! }
 
+    after { track_release_event }
+
     feature_category :release_orchestration
 
     params do
@@ -17,6 +20,7 @@ module API
     resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get a project releases' do
         detail 'This feature was introduced in GitLab 11.7.'
+        named 'get_releases'
         success Entities::Release
       end
       params do
@@ -29,11 +33,22 @@ module API
       get ':id/releases' do
         releases = ::ReleasesFinder.new(user_project, current_user, declared_params.slice(:order_by, :sort)).execute
 
-        present paginate(releases), with: Entities::Release, current_user: current_user
+        # We cache the serialized payload per user in order to avoid repeated renderings.
+        # Since the cached result could contain sensitive information,
+        # it will expire in a short interval.
+        present_cached paginate(releases),
+                        with: Entities::Release,
+                        # `current_user` could be absent if the releases are publicly accesible.
+                        # We should not use `cache_key` for the user because the version/updated_at
+                        # context is unnecessary here.
+                        cache_context: -> (_) { "user:{#{current_user&.id}}" },
+                        expires_in: 5.minutes,
+                        current_user: current_user
       end
 
       desc 'Get a single project release' do
         detail 'This feature was introduced in GitLab 11.7.'
+        named 'get_release'
         success Entities::Release
       end
       params do
@@ -47,6 +62,7 @@ module API
 
       desc 'Create a new release' do
         detail 'This feature was introduced in GitLab 11.7.'
+        named 'create_release'
         success Entities::Release
       end
       params do
@@ -84,6 +100,7 @@ module API
 
       desc 'Update a release' do
         detail 'This feature was introduced in GitLab 11.7.'
+        named 'update_release'
         success Entities::Release
       end
       params do
@@ -112,6 +129,7 @@ module API
 
       desc 'Delete a release' do
         detail 'This feature was introduced in GitLab 11.7.'
+        named 'delete_release'
         success Entities::Release
       end
       params do
@@ -176,8 +194,23 @@ module API
       def log_release_milestones_updated_audit_event
         # extended in EE
       end
+
+      def release_cli?
+        request.env['HTTP_USER_AGENT']&.include?(RELEASE_CLI_USER_AGENT) == true
+      end
+
+      def event_context
+        {
+          release_cli: release_cli?
+        }
+      end
+
+      def track_release_event
+        Gitlab::Tracking.event(options[:for].name, options[:route_options][:named],
+          project: user_project, user: current_user, **event_context)
+      end
     end
   end
 end
 
-API::Releases.prepend_if_ee('EE::API::Releases')
+API::Releases.prepend_mod_with('API::Releases')