Revert "Merge branch '301146-log-timeouts-from-elasticsearch' into 'master'"

This reverts merge request !53955

doc/administration/logs.md

@@ -93,8 +93,6 @@ which correspond to:
 
 1. `elasticsearch_calls`: total number of calls to Elasticsearch
 1. `elasticsearch_duration_s`: total time taken by Elasticsearch calls
-1. `elasticsearch_timed_out_count`: total number of calls to Elasticsearch that
-   timed out and therefore returned partial results
 
 ActionCable connection and subscription events are also logged to this file and they follow the same
 format above. The `method`, `path`, and `format` fields are not applicable, and are always empty.

ee/changelogs/unreleased/301146-log-timeouts-from-elasticsearch.yml

----
-title: Track elasticsearch_timed_out_count for all ES requests in log
-merge_request: 53955
-author:
-type: changed

ee/spec/lib/gitlab/instrumentation/elasticsearch_transport_spec.rb

@@ -12,12 +12,6 @@ RSpec.describe ::Gitlab::Instrumentation::ElasticsearchTransport, :elastic, :req
     end
   end
 
-  describe '.increment_timed_out_count' do
-    it 'increases the timed out count by 1' do
-      expect { described_class.increment_timed_out_count }.to change(described_class, :get_timed_out_count).by(1)
-    end
-  end
-
   describe '.add_duration' do
     it 'does not lose precision while adding' do
       ::Gitlab::SafeRequestStore.clear!
@@ -52,8 +46,6 @@ RSpec.describe ::Gitlab::Instrumentation::ElasticsearchTransport, :elastic, :req
 end
 
 RSpec.describe ::Gitlab::Instrumentation::ElasticsearchTransportInterceptor, :elastic, :request_store do
-  let(:elasticsearch_url) { Gitlab::CurrentSettings.elasticsearch_url[0] }
-
   before do
     allow(::Gitlab::PerformanceBar).to receive(:enabled_for_request?).and_return(true)
   end
@@ -69,6 +61,9 @@ RSpec.describe ::Gitlab::Instrumentation::ElasticsearchTransportInterceptor, :el
   it 'adds the labkit correlation id as X-Opaque-Id to all requests' do
     allow(Labkit::Correlation::CorrelationId).to receive(:current_or_new_id).and_return('new-correlation-id')
 
+    elasticsearch_url = Gitlab::CurrentSettings.elasticsearch_url[0]
+    stub_request(:any, elasticsearch_url)
+
     Project.__elasticsearch__.client
       .perform_request(:get, '/')
 
@@ -79,30 +74,13 @@ RSpec.describe ::Gitlab::Instrumentation::ElasticsearchTransportInterceptor, :el
   it 'does not override the X-Opaque-Id if it is already present' do
     allow(Labkit::Correlation::CorrelationId).to receive(:current_or_new_id).and_return('new-correlation-id')
 
+    elasticsearch_url = Gitlab::CurrentSettings.elasticsearch_url[0]
+    stub_request(:any, elasticsearch_url)
+
     Project.__elasticsearch__.client
       .perform_request(:get, '/', {}, nil, { 'X-Opaque-Id': 'original-opaque-id' })
 
     expect(a_request(:get, /#{elasticsearch_url}/)
       .with(headers: { 'X-Opaque-Id' => 'original-opaque-id' })).to have_been_made
   end
-
-  context 'when the response indicates a server side timeout' do
-    it 'increments timeouts' do
-      stub_request(:any, /#{elasticsearch_url}/).to_return(body: +'{"timed_out": true}', status: 200, headers: { 'Content-Type' => 'application/json' })
-
-      Project.__elasticsearch__.client.perform_request(:get, '/')
-
-      expect(::Gitlab::Instrumentation::ElasticsearchTransport.get_timed_out_count).to eq(1)
-    end
-  end
-
-  context 'when the response does not indicate a server side timeout' do
-    it 'does not increment timeouts' do
-      stub_request(:any, /#{elasticsearch_url}/).to_return(body: +'{"timed_out": false}', status: 200, headers: { 'Content-Type' => 'application/json' })
-
-      Project.__elasticsearch__.client.perform_request(:get, '/')
-
-      expect(::Gitlab::Instrumentation::ElasticsearchTransport.get_timed_out_count).to eq(0)
-    end
-  end
 end

ee/spec/lib/gitlab/instrumentation_helper_spec.rb

@@ -18,7 +18,6 @@ RSpec.describe Gitlab::InstrumentationHelper do
 
         expect(payload[:elasticsearch_calls]).to be > 0
         expect(payload[:elasticsearch_duration_s]).to be > 0
-        expect(payload[:elasticsearch_timed_out_count]).to be_kind_of(Integer)
       end
     end
   end

lib/gitlab/instrumentation/elasticsearch_transport.rb

@@ -9,15 +9,12 @@ module Gitlab
         start = Time.now
         headers = (headers || {})
           .reverse_merge({ 'X-Opaque-Id': Labkit::Correlation::CorrelationId.current_or_new_id })
-        response = super
+        super
       ensure
         if ::Gitlab::SafeRequestStore.active?
           duration = (Time.now - start)
 
           ::Gitlab::Instrumentation::ElasticsearchTransport.increment_request_count
-
-          ::Gitlab::Instrumentation::ElasticsearchTransport.increment_timed_out_count if response&.body&.dig('timed_out')
-
           ::Gitlab::Instrumentation::ElasticsearchTransport.add_duration(duration)
           ::Gitlab::Instrumentation::ElasticsearchTransport.add_call_details(duration, method, path, params, body)
         end
@@ -28,7 +25,6 @@ module Gitlab
       ELASTICSEARCH_REQUEST_COUNT = :elasticsearch_request_count
       ELASTICSEARCH_CALL_DURATION = :elasticsearch_call_duration
       ELASTICSEARCH_CALL_DETAILS = :elasticsearch_call_details
-      ELASTICSEARCH_TIMED_OUT_COUNT = :elasticsearch_timed_out_count
 
       def self.get_request_count
         ::Gitlab::SafeRequestStore[ELASTICSEARCH_REQUEST_COUNT] || 0
@@ -53,15 +49,6 @@ module Gitlab
         ::Gitlab::SafeRequestStore[ELASTICSEARCH_CALL_DURATION] += duration
       end
 
-      def self.increment_timed_out_count
-        ::Gitlab::SafeRequestStore[ELASTICSEARCH_TIMED_OUT_COUNT] ||= 0
-        ::Gitlab::SafeRequestStore[ELASTICSEARCH_TIMED_OUT_COUNT] += 1
-      end
-
-      def self.get_timed_out_count
-        ::Gitlab::SafeRequestStore[ELASTICSEARCH_TIMED_OUT_COUNT] || 0
-      end
-
       def self.add_call_details(duration, method, path, params, body)
         return unless Gitlab::PerformanceBar.enabled_for_request?
 

lib/gitlab/instrumentation_helper.rb

@@ -15,7 +15,6 @@ module Gitlab
         :rugged_duration_s,
         :elasticsearch_calls,
         :elasticsearch_duration_s,
-        :elasticsearch_timed_out_count,
         *::Gitlab::Memory::Instrumentation::KEY_MAPPING.values,
         *::Gitlab::Instrumentation::Redis.known_payload_keys,
         *::Gitlab::Metrics::Subscribers::ActiveRecord::DB_COUNTERS,
@@ -80,7 +79,6 @@ module Gitlab
 
       payload[:elasticsearch_calls] = elasticsearch_calls
       payload[:elasticsearch_duration_s] = Gitlab::Instrumentation::ElasticsearchTransport.query_time
-      payload[:elasticsearch_timed_out_count] = Gitlab::Instrumentation::ElasticsearchTransport.get_timed_out_count
     end
 
     def instrument_external_http(payload)

spec/lib/gitlab/instrumentation_helper_spec.rb

@@ -16,7 +16,6 @@ RSpec.describe Gitlab::InstrumentationHelper do
         :rugged_duration_s,
         :elasticsearch_calls,
         :elasticsearch_duration_s,
-        :elasticsearch_timed_out_count,
         :mem_objects,
         :mem_bytes,
         :mem_mallocs,