Remove FF ci_variables_api_filter_environment_scope

It was enabled by default a month ago.

doc/api/project_level_variables.md

@@ -154,11 +154,7 @@ curl --request DELETE --header "PRIVATE-TOKEN: <your_access_token>" "https://git
 ## The `filter` parameter
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/34490) in GitLab 13.2.
-> - It's deployed behind a feature flag, disabled by default.
-> - [Became enabled by default](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/39209) on GitLab 13.3.
-> - It's enabled on GitLab.com.
-> - It's recommended for production use.
-> - For GitLab self-managed instances, GitLab administrators can opt to [disable it](#enable-or-disable).
+> - [Feature flag removed](https://gitlab.com/gitlab-org/gitlab/-/issues/227052) in GitLab 13.4.
 
 This parameter is used for filtering by attributes, such as `environment_scope`.
 
@@ -167,21 +163,3 @@ Example usage:
 ```shell
 curl --request DELETE --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/1/variables/VARIABLE_1?filter[environment_scope]=production"
 ```
-
-### Enable or disable
-
-It is deployed behind a feature flag that is **enabled by default**.
-[GitLab administrators with access to the GitLab Rails console](../administration/feature_flags.md)
-can opt to disable it for your instance.
-
-To disable it:
-
-```ruby
-Feature.disable(:ci_variables_api_filter_environment_scope)
-```
-
-To enable it:
-
-```ruby
-Feature.enable(:ci_variables_api_filter_environment_scope)
-```

lib/api/variables.rb

@@ -17,7 +17,6 @@ module API
       def find_variable(params)
         variables = ::Ci::VariablesFinder.new(user_project, params).execute.to_a
 
-        return variables.first unless ::Gitlab::Ci::Features.variables_api_filter_environment_scope?
         return variables.first unless variables.many? # rubocop: disable CodeReuse/ActiveRecord
 
         conflict!("There are multiple variables with provided parameters. Please use 'filter[environment_scope]'")

lib/gitlab/ci/features.rb

@@ -31,11 +31,6 @@ module Gitlab
         ::Feature.enabled?(:ci_store_pipeline_messages, project, default_enabled: true)
       end
 
-      # Remove in https://gitlab.com/gitlab-org/gitlab/-/issues/227052
-      def self.variables_api_filter_environment_scope?
-        ::Feature.enabled?(:ci_variables_api_filter_environment_scope, default_enabled: true)
-      end
-
       def self.raise_job_rules_without_workflow_rules_warning?
         ::Feature.enabled?(:ci_raise_job_rules_without_workflow_rules_warning, default_enabled: true)
       end

spec/requests/api/variables_spec.rb

@@ -60,25 +60,10 @@ RSpec.describe API::Variables do
         let!(:var2) { create(:ci_variable, project: project, key: 'key1', environment_scope: 'production') }
 
         context 'when filter[environment_scope] is not passed' do
-          context 'FF ci_variables_api_filter_environment_scope is enabled' do
-            it 'returns 409' do
-              get api("/projects/#{project.id}/variables/key1", user)
+          it 'returns 409' do
+            get api("/projects/#{project.id}/variables/key1", user)
 
-              expect(response).to have_gitlab_http_status(:conflict)
-            end
-          end
-
-          context 'FF ci_variables_api_filter_environment_scope is disabled' do
-            before do
-              stub_feature_flags(ci_variables_api_filter_environment_scope: false)
-            end
-
-            it 'returns random one' do
-              get api("/projects/#{project.id}/variables/key1", user)
-
-              expect(response).to have_gitlab_http_status(:ok)
-              expect(json_response['key']).to eq('key1')
-            end
+            expect(response).to have_gitlab_http_status(:conflict)
           end
         end
 
@@ -232,25 +217,10 @@ RSpec.describe API::Variables do
         let!(:var2) { create(:ci_variable, project: project, key: 'key1', environment_scope: 'production') }
 
         context 'when filter[environment_scope] is not passed' do
-          context 'FF ci_variables_api_filter_environment_scope is enabled' do
-            it 'returns 409' do
-              get api("/projects/#{project.id}/variables/key1", user)
+          it 'returns 409' do
+            get api("/projects/#{project.id}/variables/key1", user)
 
-              expect(response).to have_gitlab_http_status(:conflict)
-            end
-          end
-
-          context 'FF ci_variables_api_filter_environment_scope is disabled' do
-            before do
-              stub_feature_flags(ci_variables_api_filter_environment_scope: false)
-            end
-
-            it 'updates random one' do
-              put api("/projects/#{project.id}/variables/key1", user), params: { value: 'new_val' }
-
-              expect(response).to have_gitlab_http_status(:ok)
-              expect(json_response['value']).to eq('new_val')
-            end
+            expect(response).to have_gitlab_http_status(:conflict)
           end
         end
 
@@ -312,26 +282,10 @@ RSpec.describe API::Variables do
         let!(:var2) { create(:ci_variable, project: project, key: 'key1', environment_scope: 'production') }
 
         context 'when filter[environment_scope] is not passed' do
-          context 'FF ci_variables_api_filter_environment_scope is enabled' do
-            it 'returns 409' do
-              get api("/projects/#{project.id}/variables/key1", user)
-
-              expect(response).to have_gitlab_http_status(:conflict)
-            end
-          end
-
-          context 'FF ci_variables_api_filter_environment_scope is disabled' do
-            before do
-              stub_feature_flags(ci_variables_api_filter_environment_scope: false)
-            end
+          it 'returns 409' do
+            get api("/projects/#{project.id}/variables/key1", user)
 
-            it 'deletes random one' do
-              expect do
-                delete api("/projects/#{project.id}/variables/key1", user), params: { 'filter[environment_scope]': 'production' }
-
-                expect(response).to have_gitlab_http_status(:no_content)
-              end.to change {project.variables.count}.by(-1)
-            end
+            expect(response).to have_gitlab_http_status(:conflict)
           end
         end