Add missing feature flag definition files

Add missing definition files for some feature flags

config/feature_flags/ops/prometheus_metrics_method_instrumentation.yml

+---
+name: prometheus_metrics_method_instrumentation
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/4304
+rollout_issue_url:
+milestone: '10.5'
+type: ops
+group:
+default_enabled: false

config/feature_flags/ops/prometheus_metrics_view_instrumentation.yml

+---
+name: prometheus_metrics_view_instrumentation
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/4304
+rollout_issue_url:
+milestone: '10.5'
+type: ops
+group:
+default_enabled: false

lib/feature.rb

@@ -57,7 +57,7 @@ class Feature
     # use `default_enabled: true` to default the flag to being `enabled`
     # unless set explicitly.  The default is `disabled`
     # TODO: remove the `default_enabled:` and read it from the `defintion_yaml`
-    # check: https://gitlab.com/gitlab-org/gitlab/-/issues/30228
+    # check: https://gitlab.com/gitlab-org/gitlab/-/issues/271275
     def enabled?(key, thing = nil, type: :development, default_enabled: false)
       if check_feature_flags_definition?
         if thing && !thing.respond_to?(:flipper_id)
@@ -65,11 +65,11 @@ class Feature
             "The thing '#{thing.class.name}' for feature flag '#{key}' needs to include `FeatureGate` or implement `flipper_id`"
         end
 
-        Feature::Definition.valid_usage!(key, type: type, default_enabled: default_enabled)
+        Feature::Definition.valid_usage!(key, type: type, default_enabled: :yaml)
       end
 
-      # If `default_enabled: :yaml` we fetch the value from the YAML definition instead.
-      default_enabled = Feature::Definition.default_enabled?(key) if default_enabled == :yaml
+      # TODO: Remove rubocop disable comment once `default_enabled` argument is removed https://gitlab.com/gitlab-org/gitlab/-/issues/271275
+      default_enabled = Feature::Definition.default_enabled?(key) # rubocop:disable Lint/ShadowedArgument
 
       # During setup the database does not exist yet. So we haven't stored a value
       # for the feature yet and return the default.

spec/graphql/features/feature_flag_spec.rb

@@ -15,6 +15,7 @@ RSpec.describe 'Graphql Field feature flags' do
 
   before do
     skip_feature_flags_yaml_validation
+    skip_default_enabled_yaml_check
   end
 
   subject { result }

spec/graphql/types/base_field_spec.rb

@@ -128,6 +128,7 @@ RSpec.describe Types::BaseField do
 
         before do
           skip_feature_flags_yaml_validation
+          skip_default_enabled_yaml_check
         end
 
         it 'returns false if the feature is not enabled' do

spec/lib/api/helpers_spec.rb

@@ -183,6 +183,7 @@ RSpec.describe API::Helpers do
 
     before do
       skip_feature_flags_yaml_validation
+      skip_default_enabled_yaml_check
     end
 
     context 'with feature enabled' do

spec/lib/feature/gitaly_spec.rb

@@ -8,6 +8,7 @@ RSpec.describe Feature::Gitaly do
 
   before do
     skip_feature_flags_yaml_validation
+    skip_default_enabled_yaml_check
   end
 
   describe ".enabled?" do

spec/lib/gitlab/gon_helper_spec.rb

@@ -12,6 +12,7 @@ RSpec.describe Gitlab::GonHelper do
   describe '#push_frontend_feature_flag' do
     before do
       skip_feature_flags_yaml_validation
+      skip_default_enabled_yaml_check
     end
 
     it 'pushes a feature flag to the frontend' do

spec/lib/gitlab/metrics/methods_spec.rb

@@ -102,6 +102,11 @@ RSpec.describe Gitlab::Metrics::Methods do
         let(:feature_name) { :some_metric_feature }
         let(:metric) { call_fetch_metric_method(docstring: docstring, with_feature: feature_name) }
 
+        before do
+          skip_feature_flags_yaml_validation
+          skip_default_enabled_yaml_check
+        end
+
         context 'when feature is enabled' do
           before do
             stub_feature_flags(feature_name => true)

spec/lib/gitlab/metrics_spec.rb

@@ -54,6 +54,11 @@ RSpec.describe Gitlab::Metrics do
   end
 
   describe '.measure' do
+    before do
+      skip_feature_flags_yaml_validation
+      skip_default_enabled_yaml_check
+    end
+
     context 'without a transaction' do
       it 'returns the return value of the block' do
         val = described_class.measure(:foo) { 10 }

spec/requests/api/features_spec.rb

@@ -438,6 +438,8 @@ RSpec.describe API::Features, stub_feature_flags: false do
 
       context 'when the gate value was set' do
         before do
+          skip_feature_flags_yaml_validation
+          skip_default_enabled_yaml_check
           Feature.enable(feature_name)
         end
 

spec/requests/api/usage_data_spec.rb

@@ -73,6 +73,7 @@ RSpec.describe API::UsageData do
       context 'with unknown event' do
         before do
           skip_feature_flags_yaml_validation
+          skip_default_enabled_yaml_check
         end
 
         it 'returns status ok' do
@@ -149,6 +150,7 @@ RSpec.describe API::UsageData do
       context 'with unknown event' do
         before do
           skip_feature_flags_yaml_validation
+          skip_default_enabled_yaml_check
         end
 
         it 'returns status ok' do