Add metrics_dashboard_access_level to project features

This new project_feature will be used to allow users to configure the
visibility of metrics dashboards in their projects.

- Add metrics_dashboard_access_level to safe model attributes.

- Update spec to audit metrics_dashboard_access_level.

- Add a few supporting methods for metrics_dashboard_access_level.

- Fix audit specs.

- Remove an instantiation of Project in a migration spec that was
breaking the spec.

- Add new access_level to project_feature_spec.

- Add metrics access_level to the project_feature_spec.rb.

- Add changelog entry

- Use with_lock_retries.

app/models/concerns/project_features_compatibility.rb

@@ -66,6 +66,10 @@ module ProjectFeaturesCompatibility
     write_feature_attribute_string(:pages_access_level, value)
   end
 
+  def metrics_dashboard_access_level=(value)
+    write_feature_attribute_string(:metrics_dashboard_access_level, value)
+  end
+
   private
 
   def write_feature_attribute_boolean(field, value)

app/models/project.rb

@@ -340,7 +340,7 @@ class Project < ApplicationRecord
     :pages_enabled?, :public_pages?, :private_pages?,
     :merge_requests_access_level, :forking_access_level, :issues_access_level,
     :wiki_access_level, :snippets_access_level, :builds_access_level,
-    :repository_access_level, :pages_access_level,
+    :repository_access_level, :pages_access_level, :metrics_dashboard_access_level,
     to: :project_feature, allow_nil: true
   delegate :scheduled?, :started?, :in_progress?, :failed?, :finished?,
     prefix: :import, to: :import_state, allow_nil: true

app/models/project_feature.rb

@@ -22,7 +22,7 @@ class ProjectFeature < ApplicationRecord
   ENABLED  = 20
   PUBLIC   = 30
 
-  FEATURES = %i(issues forking merge_requests wiki snippets builds repository pages).freeze
+  FEATURES = %i(issues forking merge_requests wiki snippets builds repository pages metrics_dashboard).freeze
   PRIVATE_FEATURES_MIN_ACCESS_LEVEL = { merge_requests: Gitlab::Access::REPORTER }.freeze
   PRIVATE_FEATURES_MIN_ACCESS_LEVEL_FOR_PRIVATE_PROJECT = { repository: Gitlab::Access::REPORTER }.freeze
   STRING_OPTIONS = HashWithIndifferentAccess.new({
@@ -97,6 +97,7 @@ class ProjectFeature < ApplicationRecord
   default_value_for :snippets_access_level,          value: ENABLED, allows_nil: false
   default_value_for :wiki_access_level,              value: ENABLED, allows_nil: false
   default_value_for :repository_access_level,        value: ENABLED, allows_nil: false
+  default_value_for :metrics_dashboard_access_level, value: PRIVATE, allows_nil: false
 
   default_value_for(:pages_access_level, allows_nil: false) do |feature|
     if ::Gitlab::Pages.access_control_is_forced?

changelogs/unreleased/rc-add_metrics_access_level_to_db.yml

+---
+title: Add metrics_dashboard_access_level to project features
+merge_request: 29371
+author:
+type: added

db/migrate/20200410232012_add_metrics_dashboard_access_level_to_project_feature.rb

+# frozen_string_literal: true
+
+class AddMetricsDashboardAccessLevelToProjectFeature < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_column :project_features, :metrics_dashboard_access_level, :integer
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :project_features, :metrics_dashboard_access_level, :integer
+    end
+  end
+end

db/structure.sql

@@ -4884,7 +4884,8 @@ CREATE TABLE public.project_features (
     updated_at timestamp without time zone,
     repository_access_level integer DEFAULT 20 NOT NULL,
     pages_access_level integer NOT NULL,
-    forking_access_level integer
+    forking_access_level integer,
+    metrics_dashboard_access_level integer
 );
 
 CREATE SEQUENCE public.project_features_id_seq
@@ -13176,6 +13177,7 @@ COPY "schema_migrations" (version) FROM STDIN;
 20200408154624
 20200408175424
 20200409211607
+20200410232012
 20200415160722
 20200415161021
 20200415161206

ee/lib/ee/audit/project_feature_changes_auditor.rb

@@ -12,7 +12,8 @@ module EE
                  :snippets_access_level,
                  :builds_access_level,
                  :repository_access_level,
-                 :pages_access_level].freeze
+                 :pages_access_level,
+                 :metrics_dashboard_access_level].freeze
 
       def initialize(current_user, model, project)
         @project = project

ee/spec/lib/ee/audit/project_feature_changes_auditor_spec.rb

@@ -17,12 +17,15 @@ describe EE::Audit::ProjectFeatureChangesAuditor do
       columns = project.project_feature.attributes.keys.select { |attr| attr.end_with?('level') }
 
       columns.each do |column|
-        features.update_attribute(column, 0)
+        previous_value = features.method(column).call
+        new_value = ProjectFeature::DISABLED
+
+        features.update_attribute(column, new_value)
         expect { foo_instance.execute }.to change { SecurityEvent.count }.by(1)
 
         event = SecurityEvent.last
-        expect(event.details[:from]).to eq 'Public'
-        expect(event.details[:to]).to eq 'Private'
+        expect(event.details[:from]).to eq ::Gitlab::VisibilityLevel.level_name(previous_value)
+        expect(event.details[:to]).to eq ::Gitlab::VisibilityLevel.level_name(new_value)
         expect(event.details[:change]).to eq column
       end
     end

spec/lib/gitlab/background_migration/user_mentions/create_resource_user_mention_spec.rb

@@ -79,7 +79,7 @@ describe Gitlab::BackgroundMigration::UserMentions::CreateResourceUserMention, s
 
     context 'migrate commit mentions' do
       let(:repository) { Gitlab::Git::Repository.new('default', TEST_REPO_PATH, '', 'group/project') }
-      let(:commit) { Commit.new(RepoHelpers.sample_commit, project.becomes(Project)) }
+      let(:commit) { Commit.new(RepoHelpers.sample_commit, project) }
       let(:commit_user_mentions) { table(:commit_user_mentions) }
 
       let!(:note1) { notes.create!(commit_id: commit.id, noteable_type: 'Commit', project_id: project.id, author_id: author.id, note: description_mentions) }

spec/lib/gitlab/import_export/safe_model_attributes.yml

@@ -595,6 +595,7 @@ ProjectFeature:
 - builds_access_level
 - repository_access_level
 - pages_access_level
+- metrics_dashboard_access_level
 - created_at
 - updated_at
 ProtectedBranch::MergeAccessLevel:

spec/migrations/cleanup_empty_commit_user_mentions_spec.rb

@@ -14,7 +14,7 @@ describe CleanupEmptyCommitUserMentions, :migration, :sidekiq do
   let(:project) { projects.create!(name: 'gitlab1', path: 'gitlab1', namespace_id: group.id, visibility_level: 0) }
 
   let(:repository) { Gitlab::Git::Repository.new('default', TEST_REPO_PATH, '', 'group/project') }
-  let(:commit) { Commit.new(RepoHelpers.sample_commit, project.becomes(Project)) }
+  let(:commit) { Commit.new(RepoHelpers.sample_commit, project) }
   let(:commit_user_mentions) { table(:commit_user_mentions) }
 
   let!(:resource1) { notes.create!(commit_id: commit.id, noteable_type: 'Commit', project_id: project.id, author_id: user.id, note: 'note1 for @root to check') }

spec/migrations/migrate_commit_notes_mentions_to_db_spec.rb

@@ -14,7 +14,7 @@ describe MigrateCommitNotesMentionsToDb, :migration, :sidekiq do
   let(:project) { projects.create!(name: 'gitlab1', path: 'gitlab1', namespace_id: group.id, visibility_level: 0) }
 
   let(:repository) { Gitlab::Git::Repository.new('default', TEST_REPO_PATH, '', 'group/project') }
-  let(:commit) { Commit.new(RepoHelpers.sample_commit, project.becomes(Project)) }
+  let(:commit) { Commit.new(RepoHelpers.sample_commit, project) }
   let(:commit_user_mentions) { table(:commit_user_mentions) }
 
   let!(:resource1) { notes.create!(commit_id: commit.id, noteable_type: 'Commit', project_id: project.id, author_id: user.id, note: 'note1 for @root to check') }

spec/models/project_feature_spec.rb

@@ -27,7 +27,7 @@ describe ProjectFeature do
   end
 
   describe '#feature_available?' do
-    let(:features) { %w(issues wiki builds merge_requests snippets repository pages) }
+    let(:features) { %w(issues wiki builds merge_requests snippets repository pages metrics_dashboard) }
 
     context 'when features are disabled' do
       it "returns false" do
@@ -123,7 +123,7 @@ describe ProjectFeature do
   end
 
   context 'public features' do
-    features = %w(issues wiki builds merge_requests snippets repository)
+    features = %w(issues wiki builds merge_requests snippets repository metrics_dashboard)
 
     features.each do |feature|
       it "does not allow public access level for #{feature}" do