Disable Telemetry and Remote Configuration in development environments

lib/datadog/core/configuration/settings.rb

@@ -2,6 +2,7 @@
 
 require_relative 'base'
 require_relative 'ext'
+require_relative '../environment/execution'
 require_relative '../environment/ext'
 require_relative '../runtime/ext'
 require_relative '../telemetry/ext'
@@ -559,10 +560,21 @@ def initialize(*_)
           #
           # @default `DD_INSTRUMENTATION_TELEMETRY_ENABLED` environment variable, otherwise `true`.
           #   Can be disabled as documented [here](https://docs.datadoghq.com/tracing/configure_data_security/#telemetry-collection).
+          #   By default, telemetry is disabled in development environments.
           # @return [Boolean]
           option :enabled do |o|
             o.env Core::Telemetry::Ext::ENV_ENABLED
-            o.default true
+            o.default do
+              if Datadog::Core::Environment::Execution.development?
+                Datadog.logger.debug do
+                  'Development environment detected, disabling Telemetry. ' \
+                    'You can enable it with DD_INSTRUMENTATION_TELEMETRY_ENABLED=true.'
+                end
+                false
+              else
+                true
+              end
+            end
             o.type :bool
           end
 
@@ -586,10 +598,21 @@ def initialize(*_)
           # Enable remote configuration. This allows fetching of remote configuration for live updates.
           #
           # @default `DD_REMOTE_CONFIGURATION_ENABLED` environment variable, otherwise `true`.
+          #   By default, remote configuration is disabled in development environments.
           # @return [Boolean]
           option :enabled do |o|
             o.env Core::Remote::Ext::ENV_ENABLED
-            o.default true
+            o.default do
+              if Datadog::Core::Environment::Execution.development?
+                Datadog.logger.debug do
+                  'Development environment detected, disabling Remote Configuration. ' \
+                    'You can enable it with DD_REMOTE_CONFIGURATION_ENABLED=true.'
+                end
+                false
+              else
+                true
+              end
+            end
             o.type :bool
           end
 

spec/datadog/core/configuration/components_spec.rb

@@ -41,6 +41,8 @@
   let(:remote) { instance_double(Datadog::Core::Remote::Component, start: nil, shutdown!: nil) }
   let(:telemetry) { instance_double(Datadog::Core::Telemetry::Client) }
 
+  include_context 'non-development execution environment'
+
   before do
     # Ensure the real task never gets run (so it doesn't apply our thread patches and other extensions to our test env)
     if Datadog::Profiling.supported?

spec/datadog/core/configuration/settings_spec.rb

@@ -1236,7 +1236,15 @@
         context 'is not defined' do
           let(:env_var_value) { nil }
 
-          it { is_expected.to be true }
+          context 'in a development environment' do
+            it { is_expected.to be false }
+          end
+
+          context 'not in a development environment' do
+            include_context 'non-development execution environment'
+
+            it { is_expected.to be true }
+          end
         end
 
         [true, false].each do |value|
@@ -1305,7 +1313,15 @@
         context 'is not defined' do
           let(:environment) { nil }
 
-          it { is_expected.to be true }
+          context 'in a development environment' do
+            it { is_expected.to be false }
+          end
+
+          context 'not in a development environment' do
+            include_context 'non-development execution environment'
+
+            it { is_expected.to be true }
+          end
         end
 
         context 'is defined' do
@@ -1317,6 +1333,8 @@
     end
 
     describe '#enabled=' do
+      include_context 'non-development execution environment'
+
       it 'updates the #enabled setting' do
         expect { settings.remote.enabled = false }
           .to change { settings.remote.enabled }

spec/datadog/core/remote/component_spec.rb

@@ -3,7 +3,7 @@
 require 'spec_helper'
 require 'datadog/core/remote/component'
 
-RSpec.describe Datadog::Core::Remote::Component do
+RSpec.describe Datadog::Core::Remote::Component, :integration do
   let(:settings) { Datadog::Core::Configuration::Settings.new }
   let(:agent_settings) { Datadog::Core::Configuration::AgentSettingsResolver.call(settings, logger: nil) }
   let(:capabilities) { Datadog::Core::Remote::Client::Capabilities.new(settings) }

spec/datadog/tracing/contrib/suite/integration_spec.rb

@@ -10,7 +10,7 @@
 require 'rackup' if Rack::VERSION[0] >= 3
 require 'webrick'
 
-RSpec.describe 'contrib integration testing' do
+RSpec.describe 'contrib integration testing', :integration do
   around do |example|
     ClimateControl.modify('DD_REMOTE_CONFIGURATION_ENABLED' => nil) { example.run }
   end

spec/support/core_helpers.rb

@@ -1,4 +1,8 @@
 module CoreHelpers
+  RSpec.shared_context 'non-development execution environment' do
+    before { allow(Datadog::Core::Environment::Execution).to receive(:development?).and_return(false) }
+  end
+
   # Asserts that a deprecated action is recorded by the `subject` execution.
   RSpec.shared_examples 'records deprecated action' do |matcher = nil|
     it 'records deprecated action in the deprecation log' do

spec/support/test_helpers.rb

@@ -24,6 +24,8 @@ def self.included(base)
               skip('Integration tests can be enabled by setting the environment variable `TEST_DATADOG_INTEGRATION=1`')
             end
           end
+
+          include_context 'non-development execution environment'
         end
       end
     end