Merge branch 'master' into as-events

.gitlab/benchmarks.yml

@@ -153,7 +153,7 @@ benchmarks:
   script:
     - export ARTIFACTS_DIR="$(pwd)/artifacts" && (mkdir "${ARTIFACTS_DIR}" || :)
     - git config --global url."https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.ddbuild.io/DataDog/".insteadOf "https://github.com/DataDog/"
-    - git clone --branch dd-trace-rb https://github.com/DataDog/benchmarking-platform platform && cd platform
+    - git clone --branch dd-trace-rb https://github.com/DataDog/benchmarking-platform benchmarking-platform && cd benchmarking-platform
     - ./steps/capture-hardware-software-info.sh
     - ./steps/run-benchmarks.sh
     - ./steps/analyze-results.sh

Rakefile

@@ -67,7 +67,7 @@ TEST_METADATA = {
     'elasticsearch-8' => '✅ 2.5 / ✅ 2.6 / ✅ 2.7 / ✅ 3.0 / ✅ 3.1 / ✅ 3.2 / ✅ 3.3 / ✅ 3.4 / ✅ jruby'
   },
   'ethon' => {
-    'http' => '✅ 2.5 / ✅ 2.6 / ✅ 2.7 / ✅ 3.0 / ✅ 3.1 / ✅ 3.2 / ✅ 3.3 / ✅ 3.4 / ✅ jruby'
+    'http' => '✅ 2.5 / ✅ 2.6 / ✅ 2.7 / ✅ 3.0 / ✅ 3.1 / ✅ 3.2 / ✅ 3.3 / ✅ 3.4 / ❌ jruby'
   },
   'excon' => {
     'http' => '✅ 2.5 / ✅ 2.6 / ✅ 2.7 / ✅ 3.0 / ✅ 3.1 / ✅ 3.2 / ✅ 3.3 / ✅ 3.4 / ✅ jruby'
@@ -101,7 +101,7 @@ TEST_METADATA = {
     'http' => '✅ 2.5 / ✅ 2.6 / ✅ 2.7 / ✅ 3.0 / ✅ 3.1 / ✅ 3.2 / ✅ 3.3 / ✅ 3.4 / ✅ jruby'
   },
   'httprb' => {
-    'http' => '✅ 2.5 / ✅ 2.6 / ✅ 2.7 / ✅ 3.0 / ✅ 3.1 / ✅ 3.2 / ✅ 3.3 / ✅ 3.4 / ✅ jruby'
+    'http' => '✅ 2.5 / ✅ 2.6 / ✅ 2.7 / ✅ 3.0 / ✅ 3.1 / ✅ 3.2 / ✅ 3.3 / ✅ 3.4 / ❌ jruby'
   },
   'kafka' => {
     'activesupport' => '✅ 2.5 / ✅ 2.6 / ✅ 2.7 / ✅ 3.0 / ✅ 3.1 / ✅ 3.2 / ✅ 3.3 / ✅ 3.4 / ✅ jruby'

Steepfile

@@ -595,6 +595,7 @@ target :datadog do
   library 'opentelemetry-api'
   library 'passenger'
   library 'webmock'
+  library 'graphql'
 
   # TODO: gem 'libddwaf'
   library 'libddwaf'

integration/apps/rails-seven/spec/integration/basic_spec.rb

@@ -44,4 +44,9 @@
       puts "      Webserver: #{json_result.fetch(:webserver_process)}"
     end
   end
+
+  context 'for Rails runner' do
+    subject { `bin/rails runner 'print \"OK\"'` }
+    it { is_expected.to end_with("OK") }
+  end
 end

lib/datadog/core/configuration.rb

@@ -84,23 +84,16 @@ def configure
         configuration = self.configuration
         yield(configuration)
 
-        built_components = false
-
-        components = safely_synchronize do |write_components|
+        safely_synchronize do |write_components|
           write_components.call(
             if components?
               replace_components!(configuration, @components)
             else
-              components = build_components(configuration)
-              built_components = true
-              components
+              build_components(configuration)
             end
           )
         end
 
-        # Should only be called the first time components are built
-        components.telemetry.started! if built_components
-
         configuration
       end
 
@@ -200,20 +193,13 @@ def components(allow_initialization: true)
         current_components = COMPONENTS_READ_LOCK.synchronize { defined?(@components) && @components }
         return current_components if current_components || !allow_initialization
 
-        built_components = false
-
-        components = safely_synchronize do |write_components|
+        safely_synchronize do |write_components|
           if defined?(@components) && @components
             @components
           else
-            built_components = true
             write_components.call(build_components(configuration))
           end
         end
-
-        # Should only be called the first time components are built
-        components&.telemetry&.started! if built_components
-        components
       end
 
       private

lib/datadog/core/configuration/components.rb

@@ -6,7 +6,7 @@
 require_relative '../diagnostics/health'
 require_relative '../logger'
 require_relative '../runtime/metrics'
-require_relative '../telemetry/client'
+require_relative '../telemetry/component'
 require_relative '../workers/runtime_metrics'
 
 require_relative '../remote/component'
@@ -62,7 +62,7 @@ def build_telemetry(settings, agent_settings, logger)
               logger.debug { "Telemetry disabled. Agent network adapter not supported: #{agent_settings.adapter}" }
             end
 
-            Telemetry::Client.new(
+            Telemetry::Component.new(
               enabled: enabled,
               heartbeat_interval_seconds: settings.telemetry.heartbeat_interval_seconds,
               dependency_collection: settings.telemetry.dependency_collection
@@ -169,8 +169,9 @@ def shutdown!(replacement = nil)
           unused_statsd = (old_statsd - (old_statsd & new_statsd))
           unused_statsd.each(&:close)
 
-          telemetry.stop!
+          # enqueue closing event before stopping telemetry so it will be send out on shutdown
           telemetry.emit_closing! unless replacement
+          telemetry.stop!
         end
       end
     end

lib/datadog/core/telemetry/component.rb

@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+require_relative 'emitter'
+require_relative 'event'
+require_relative 'worker'
+require_relative '../utils/forking'
+
+module Datadog
+  module Core
+    module Telemetry
+      # Telemetry entrypoint, coordinates sending telemetry events at various points in app lifecycle.
+      class Component
+        attr_reader :enabled
+
+        include Core::Utils::Forking
+
+        # @param enabled [Boolean] Determines whether telemetry events should be sent to the API
+        # @param heartbeat_interval_seconds [Float] How frequently heartbeats will be reported, in seconds.
+        # @param [Boolean] dependency_collection Whether to send the `app-dependencies-loaded` event
+        def initialize(heartbeat_interval_seconds:, dependency_collection:, enabled: true)
+          @enabled = enabled
+          @stopped = false
+
+          @worker = Telemetry::Worker.new(
+            enabled: @enabled,
+            heartbeat_interval_seconds: heartbeat_interval_seconds,
+            emitter: Emitter.new,
+            dependency_collection: dependency_collection
+          )
+          @worker.start
+        end
+
+        def disable!
+          @enabled = false
+          @worker.enabled = false
+        end
+
+        def stop!
+          return if @stopped
+
+          @worker.stop(true)
+          @stopped = true
+        end
+
+        def emit_closing!
+          return if !@enabled || forked?
+
+          @worker.enqueue(Event::AppClosing.new)
+        end
+
+        def integrations_change!
+          return if !@enabled || forked?
+
+          @worker.enqueue(Event::AppIntegrationsChange.new)
+        end
+
+        # Report configuration changes caused by Remote Configuration.
+        def client_configuration_change!(changes)
+          return if !@enabled || forked?
+
+          @worker.enqueue(Event::AppClientConfigurationChange.new(changes, 'remote_config'))
+        end
+      end
+    end
+  end
+end

lib/datadog/core/telemetry/event.rb

@@ -286,6 +286,33 @@ def type
             'app-closing'
           end
         end
+
+        # Telemetry class for the 'generate-metrics' event
+        class GenerateMetrics < Base
+          def type
+            'generate-metrics'
+          end
+
+          def initialize(namespace, metric_series)
+            super()
+            @namespace = namespace
+            @metric_series = metric_series
+          end
+
+          def payload(_)
+            {
+              namespace: @namespace,
+              series: @metric_series.map(&:to_h)
+            }
+          end
+        end
+
+        # Telemetry class for the 'distributions' event
+        class Distributions < GenerateMetrics
+          def type
+            'distributions'
+          end
+        end
       end
     end
   end

lib/datadog/core/telemetry/http/adapters/net.rb

@@ -15,7 +15,7 @@ class Net
               :timeout,
               :ssl
 
-            DEFAULT_TIMEOUT = 30
+            DEFAULT_TIMEOUT = 2
 
             def initialize(hostname:, port: nil, timeout: DEFAULT_TIMEOUT, ssl: true)
               @hostname = hostname