Don't expose project names in various counters

Various counters would expose either project names, or full project
paths (e.g. "gitlab-org/gitlab-ce"). This commit changes various places
where we use "add_event" so we no longer expose (potentially) private
information.

app/models/remote_mirror.rb

@@ -48,13 +48,13 @@ class RemoteMirror < ActiveRecord::Base
     state :failed
 
     after_transition any => :started do |remote_mirror, _|
-      Gitlab::Metrics.add_event(:remote_mirrors_running, path: remote_mirror.project.full_path)
+      Gitlab::Metrics.add_event(:remote_mirrors_running)
 
       remote_mirror.update(last_update_started_at: Time.now)
     end
 
     after_transition started: :finished do |remote_mirror, _|
-      Gitlab::Metrics.add_event(:remote_mirrors_finished, path: remote_mirror.project.full_path)
+      Gitlab::Metrics.add_event(:remote_mirrors_finished)
 
       timestamp = Time.now
       remote_mirror.update_attributes!(
@@ -63,7 +63,7 @@ class RemoteMirror < ActiveRecord::Base
     end
 
     after_transition started: :failed do |remote_mirror, _|
-      Gitlab::Metrics.add_event(:remote_mirrors_failed, path: remote_mirror.project.full_path)
+      Gitlab::Metrics.add_event(:remote_mirrors_failed)
 
       remote_mirror.update(last_update_at: Time.now)
     end

app/models/repository.rb

@@ -1025,7 +1025,7 @@ class Repository
   end
 
   def repository_event(event, tags = {})
-    Gitlab::Metrics.add_event(event, { path: full_path }.merge(tags))
+    Gitlab::Metrics.add_event(event, tags)
   end
 
   def initialize_raw_repository

app/workers/concerns/gitlab/github_import/object_importer.rb

@@ -22,7 +22,7 @@ module Gitlab
 
         importer_class.new(object, project, client).execute
 
-        counter.increment(project: project.full_path)
+        counter.increment
       end
 
       def counter

app/workers/repository_fork_worker.rb

@@ -21,9 +21,7 @@ class RepositoryForkWorker
   def fork_repository(target_project, source_repository_storage_name, source_disk_path)
     return unless start_fork(target_project)
 
-    Gitlab::Metrics.add_event(:fork_repository,
-                              source_path: source_disk_path,
-                              target_path: target_project.disk_path)
+    Gitlab::Metrics.add_event(:fork_repository)
 
     result = gitlab_shell.fork_repository(source_repository_storage_name, source_disk_path,
                                           target_project.repository_storage, target_project.disk_path)

app/workers/repository_import_worker.rb

@@ -9,9 +9,7 @@ class RepositoryImportWorker
 
     return unless start_import(project)
 
-    Gitlab::Metrics.add_event(:import_repository,
-                              import_url: project.import_url,
-                              path: project.full_path)
+    Gitlab::Metrics.add_event(:import_repository)
 
     service = Projects::ImportService.new(project, project.creator)
     result = service.execute

changelogs/unreleased/event-counters-private-data.yml

+---
+title: Don't expose project names in various counters
+merge_request:
+author:
+type: security

changelogs/unreleased/pr-importer-project-name.yml

+---
+title: Don't expose project names in GitHub counters
+merge_request:
+author:
+type: security

lib/api/runner.rb

@@ -101,8 +101,7 @@ module API
 
         if result.valid?
           if result.build
-            Gitlab::Metrics.add_event(:build_found,
-                                      project: result.build.project.full_path)
+            Gitlab::Metrics.add_event(:build_found)
             present result.build, with: Entities::JobRequest::Response
           else
             Gitlab::Metrics.add_event(:build_not_found)
@@ -133,8 +132,7 @@ module API
 
         job.trace.set(params[:trace]) if params[:trace]
 
-        Gitlab::Metrics.add_event(:update_build,
-                                  project: job.project.full_path)
+        Gitlab::Metrics.add_event(:update_build)
 
         case params[:state].to_s
         when 'running'

lib/gitlab/email/handler/create_issue_handler.rb

@@ -36,10 +36,6 @@ module Gitlab
           @project ||= Project.find_by_full_path(project_path)
         end
 
-        def metrics_params
-          super.merge(project: project&.full_path)
-        end
-
         private
 
         def create_issue

lib/gitlab/email/handler/create_merge_request_handler.rb

@@ -40,10 +40,6 @@ module Gitlab
           @project ||= Project.find_by_full_path(project_path)
         end
 
-        def metrics_params
-          super.merge(project: project&.full_path)
-        end
-
         private
 
         def create_merge_request

lib/gitlab/email/handler/create_note_handler.rb

@@ -28,10 +28,6 @@ module Gitlab
             record_name: 'comment')
         end
 
-        def metrics_params
-          super.merge(project: project&.full_path)
-        end
-
         private
 
         def author

lib/gitlab/email/handler/unsubscribe_handler.rb

@@ -20,10 +20,6 @@ module Gitlab
           noteable.unsubscribe(sent_notification.recipient)
         end
 
-        def metrics_params
-          super.merge(project: project&.full_path)
-        end
-
         private
 
         def sent_notification

lib/gitlab/github_import/importer/pull_requests_importer.rb

@@ -43,7 +43,7 @@ module Gitlab
           Rails.logger
             .info("GitHub importer finished updating repository for #{pname}")
 
-          repository_updates_counter.increment(project: pname)
+          repository_updates_counter.increment
         end
 
         def update_repository?(pr)

spec/lib/gitlab/github_import/importer/pull_requests_importer_spec.rb

@@ -158,7 +158,6 @@ describe Gitlab::GithubImport::Importer::PullRequestsImporter do
 
       expect(importer.repository_updates_counter)
         .to receive(:increment)
-        .with(project: project.path_with_namespace)
         .and_call_original
 
       Timecop.freeze do

spec/workers/concerns/gitlab/github_import/object_importer_spec.rb

@@ -51,7 +51,6 @@ describe Gitlab::GithubImport::ObjectImporter do
 
       expect(worker.counter)
         .to receive(:increment)
-        .with(project: 'foo/bar')
         .and_call_original
 
       worker.import(project, client, { 'number' => 10 })

spec/workers/gitlab/github_import/import_diff_note_worker_spec.rb

@@ -33,7 +33,6 @@ describe Gitlab::GithubImport::ImportDiffNoteWorker do
 
       expect(worker.counter)
         .to receive(:increment)
-        .with(project: 'foo/bar')
         .and_call_original
 
       worker.import(project, client, hash)

spec/workers/gitlab/github_import/import_issue_worker_spec.rb

@@ -36,7 +36,6 @@ describe Gitlab::GithubImport::ImportIssueWorker do
 
       expect(worker.counter)
         .to receive(:increment)
-        .with(project: 'foo/bar')
         .and_call_original
 
       worker.import(project, client, hash)

spec/workers/gitlab/github_import/import_note_worker_spec.rb

@@ -31,7 +31,6 @@ describe Gitlab::GithubImport::ImportNoteWorker do
 
       expect(worker.counter)
         .to receive(:increment)
-        .with(project: 'foo/bar')
         .and_call_original
 
       worker.import(project, client, hash)

spec/workers/gitlab/github_import/import_pull_request_worker_spec.rb

@@ -42,7 +42,6 @@ describe Gitlab::GithubImport::ImportPullRequestWorker do
 
       expect(worker.counter)
         .to receive(:increment)
-        .with(project: 'foo/bar')
         .and_call_original
 
       worker.import(project, client, hash)