Remove audit_log_export_csv feature flag

This change makes audit log export to CSV feature generally available
for users on GitLab Premium.

doc/administration/audit_events.md

@@ -190,14 +190,7 @@ The search filters you can see depends on which audit level you are at.
 ## Export to CSV **(PREMIUM ONLY)**
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/1449) in [GitLab Premium](https://about.gitlab.com/pricing/) 13.4.
-> - It's [deployed behind a feature flag](../user/feature_flags.md), disabled by default.
-> - It's disabled on GitLab.com.
-> - It's not recommended for production use.
-> - To use it in GitLab self-managed instances, ask a GitLab administrator to [enable it](#enable-or-disable-audit-log-export-to-csv). **(PREMIUM ONLY)**
-
-CAUTION: **Warning:**
-This feature might not be available to you. Check the **version history** note above for details.
-If available, you can enable it with a [feature flag](#enable-or-disable-audit-log-export-to-csv).
+> - [Feature flag removed](https://gitlab.com/gitlab-org/gitlab/-/issues/285441) in [GitLab Premium](https://about.gitlab.com/pricing/) 13.7.
 
 Export to CSV allows customers to export the current filter view of your audit log as a
 CSV file, which stores tabular data in plain text. The data provides a comprehensive view with respect to
@@ -237,22 +230,3 @@ The first row contains the headers, which are listed in the following table alon
 
 The Audit Log CSV file is limited to a maximum of `100,000` events.
 The remaining records are truncated when this limit is reached.
-
-### Enable or disable Audit Log Export to CSV
-
-The Audit Log Export to CSV is under development and not ready for production use. It is
-deployed behind a feature flag that is **disabled by default**.
-[GitLab administrators with access to the GitLab Rails console](../administration/feature_flags.md)
-can enable it.
-
-To enable it:
-
-```ruby
-Feature.enable(:audit_log_export_csv)
-```
-
-To disable it:
-
-```ruby
-Feature.disable(:audit_log_export_csv)
-```

ee/app/controllers/admin/audit_log_reports_controller.rb

@@ -26,8 +26,7 @@ class Admin::AuditLogReportsController < Admin::ApplicationController
   private
 
   def validate_audit_log_reports_available!
-    render_404 unless Feature.enabled?(:audit_log_export_csv) &&
-      License.feature_available?(:admin_audit_log)
+    render_404 unless License.feature_available?(:admin_audit_log)
   end
 
   def csv_filename

ee/app/helpers/audit_events_helper.rb

@@ -39,6 +39,6 @@ module AuditEventsHelper
   end
 
   def export_url
-    Feature.enabled?(:audit_log_export_csv) ? admin_audit_log_reports_url(format: :csv) : ''
+    admin_audit_log_reports_url(format: :csv)
   end
 end

ee/changelogs/unreleased/285441-remove-audit-log-export-csv-feature-flag.yml

+---
+title: Remove audit_log_export_csv feature flag
+merge_request: 48669
+author:
+type: added

ee/config/feature_flags/development/audit_log_export_csv.yml

----
-name: audit_log_export_csv
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/31191
-rollout_issue_url: 
-milestone: '13.4'
-type: development
-group: group::compliance
-default_enabled: false

ee/spec/controllers/admin/audit_log_reports_controller_spec.rb

@@ -34,9 +34,8 @@ RSpec.describe Admin::AuditLogReportsController do
         sign_in(admin)
       end
 
-      context 'when licensed and feature flag is enabled' do
+      context 'when licensed' do
         before do
-          stub_feature_flags(audit_log_export_csv: true)
           stub_licensed_features(admin_audit_log: true)
 
           allow(AuditEvents::ExportCsvService).to receive(:new).and_return(export_csv_service)
@@ -108,14 +107,6 @@ RSpec.describe Admin::AuditLogReportsController do
         end
       end
 
-      context 'when feature flag is disabled' do
-        before do
-          stub_feature_flags(audit_log_export_csv: false)
-        end
-
-        it { is_expected.to have_gitlab_http_status(:not_found) }
-      end
-
       context 'when unlicensed' do
         before do
           stub_licensed_features(admin_audit_log: false)

ee/spec/helpers/audit_events_helper_spec.rb

@@ -97,20 +97,6 @@ RSpec.describe AuditEventsHelper do
   describe '#export_url' do
     subject { export_url }
 
-    context 'feature is enabled' do
-      before do
-        stub_feature_flags(audit_log_export_csv: true)
-      end
-
     it { is_expected.to eq('http://test.host/admin/audit_log_reports.csv') }
   end
-
-    context 'feature is disabled' do
-      before do
-        stub_feature_flags(audit_log_export_csv: false)
-      end
-
-      it { is_expected.to be_empty }
-    end
-  end
 end