Class: Datadog::Core::Configuration::Settings

Inherits:
Object
  • Object
show all
Extended by:
Tracing::Configuration::Settings
Includes:
Base
Defined in:
lib/datadog/core/configuration/settings.rb

Overview

Global configuration settings for the Datadog library.

Defined Under Namespace

Modules: DSL

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Tracing::Configuration::Settings

extended

Methods included from Base

included

Instance Attribute Details

#api_keyString?

Datadog API key.

For internal use only.

Returns:

  • (String, nil)

Defaults to:

  • DD_API_KEY environment variable, otherwise nil



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# File 'lib/datadog/core/configuration/settings.rb', line 82

def api_key
  @api_key
end

#envString?

The env tag in Datadog. Use it to separate out your staging, development, and production environments.

Returns:

  • (String, nil)

See Also:

Defaults to:

  • DD_ENV environment variable, otherwise nil



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# File 'lib/datadog/core/configuration/settings.rb', line 158

def env
  @env
end

#serviceString

The service tag in Datadog. Use it to group related traces into a service.

Returns:

  • (String)

See Also:

Defaults to:

  • DD_SERVICE environment variable, otherwise the program name (e.g. 'ruby', 'rails', 'pry')



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# File 'lib/datadog/core/configuration/settings.rb', line 570

def service
  @service
end

#siteString?

The Datadog site host to send data to. By default, data is sent to the Datadog US site: app.datadoghq.com.

If your organization is on another site, you must update this value to the new site.

For internal use only.

Returns:

  • (String, nil)

See Also:

Defaults to:

  • DD_SITE environment variable, otherwise nil which sends data to app.datadoghq.com



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# File 'lib/datadog/core/configuration/settings.rb', line 597

def site
  @site
end

#tagsHash<String,String>

Default tags

These tags are used by all Datadog products, when applicable. e.g. trace spans, profiles, etc.

Returns:

  • (Hash<String,String>)

Defaults to:

  • DD_TAGS environment variable (in the format 'tag1:value1,tag2:value2'), otherwise {}



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# File 'lib/datadog/core/configuration/settings.rb', line 608

def tags
  @tags
end

#time_now_providerProc<Time>

The time provider used by Datadog. It must respect the interface of Time.

When testing, it can be helpful to use a different time provider.

For Timecop, for example, ->{ Time.now_without_mock_time } allows Datadog features to use the real wall time when time is frozen.

Returns:

  • (Proc<Time>)

Defaults to:

  • ->{ Time.now }



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# File 'lib/datadog/core/configuration/settings.rb', line 671

def time_now_provider
  @time_now_provider
end

#versionString?

The version tag in Datadog. Use it to enable Deployment Tracking.

Returns:

  • (String, nil)

See Also:

Defaults to:

  • DD_VERSION environment variable, otherwise nils



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# File 'lib/datadog/core/configuration/settings.rb', line 692

def version
  @version
end

Instance Method Details

#agentDatadog::Core::Configuration::Settings::DSL::Agent

Datadog Agent configuration.

Returns:



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# File 'lib/datadog/core/configuration/settings.rb', line 52

settings :agent do
  # Agent hostname or IP.
  # @default `DD_AGENT_HOST` environment variable, otherwise `127.0.0.1`
  # @return [String,nil]
  option :host

  # Agent APM TCP port.
  # @see https://docs.datadoghq.com/getting_started/tracing/#datadog-apm
  # @default `DD_TRACE_AGENT_PORT` environment variable, otherwise `8126`
  # @return [String,nil]
  option :port

  # TODO: add declarative statsd configuration. Currently only usable via an environment variable.
  # Statsd configuration for agent access.
  # @public_api
  # settings :statsd do
  #   # Agent Statsd UDP port.
  #   # @configure_with {Datadog::Statsd}
  #   # @default `DD_AGENT_HOST` environment variable, otherwise `8125`
  #   # @return [String,nil]
  #   option :port
  # end
end

#diagnosticsDatadog::Core::Configuration::Settings::DSL::Diagnostics

Datadog diagnostic settings.

Enabling these surfaces debug information that can be helpful to diagnose issues related to Datadog internals.

Returns:



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# File 'lib/datadog/core/configuration/settings.rb', line 92

settings :diagnostics do
  # Outputs all spans created by the host application to `Datadog.logger`.
  #
  # **This option is very verbose!** It's only recommended for non-production
  # environments.
  #
  # This option is helpful when trying to understand what information the
  # Datadog features are sending to the Agent or backend.
  # @default `DD_TRACE_DEBUG` environment variable, otherwise `false`
  # @return [Boolean]
  option :debug do |o|
    o.env Datadog::Core::Configuration::Ext::Diagnostics::ENV_DEBUG_ENABLED
    o.default false
    o.type :bool
    o.after_set do |enabled|
      # Enable rich debug print statements.
      # We do not need to unnecessarily load 'pp' unless in debugging mode.
      require 'pp' if enabled
    end
  end
  # Internal {Datadog::Statsd} metrics collection.
  #
  # @public_api
  settings :health_metrics do
    # Enable health metrics collection.
    #
    # @default `DD_HEALTH_METRICS_ENABLED` environment variable, otherwise `false`
    # @return [Boolean]
    option :enabled do |o|
      o.env Datadog::Core::Configuration::Ext::Diagnostics::ENV_HEALTH_METRICS_ENABLED
      o.default false
      o.type :bool
    end

    # {Datadog::Statsd} instance to collect health metrics.
    #
    # If `nil`, health metrics creates a new {Datadog::Statsd} client with default agent configuration.
    #
    # @default `nil`
    # @return [Datadog::Statsd,nil] a custom {Datadog::Statsd} instance
    # @return [nil] an instance with default agent configuration will be lazily created
    option :statsd
  end

  # Tracer startup debug log statement configuration.
  # @public_api
  settings :startup_logs do
    # Enable startup logs collection.
    #
    # If `nil`, defaults to logging startup logs when `ddtrace` detects that the application
    # is *not* running in a development environment.
    #
    # @default `DD_TRACE_STARTUP_LOGS` environment variable, otherwise `nil`
    # @return [Boolean, nil]
    option :enabled do |o|
      o.env Datadog::Core::Configuration::Ext::Diagnostics::ENV_STARTUP_LOGS_ENABLED
      # Defaults to nil as we want to know when the default value is being used
      o.type :bool, nilable: true
    end
  end
end

#loggerDatadog::Core::Configuration::Settings::DSL::Logger

Internal Datadog.logger configuration.

This logger instance is only used internally by the gem.

Returns:



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# File 'lib/datadog/core/configuration/settings.rb', line 170

settings :logger do
  # The `Datadog.logger` object.
  #
  # Can be overwritten with a custom logger object that respects the
  # [built-in Ruby Logger](https://ruby-doc.org/stdlib-3.0.1/libdoc/logger/rdoc/Logger.html)
  # interface.
  #
  # @return Logger::Severity
  option :instance do |o|
    o.after_set { |value| set_option(:level, value.level) unless value.nil? }
  end

  # Log level for `Datadog.logger`.
  # @see Logger::Severity
  # @return Logger::Severity
  option :level, default: ::Logger::INFO
end

#profilingDatadog::Core::Configuration::Settings::DSL::Profiling

Datadog Profiler-specific configurations.



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# File 'lib/datadog/core/configuration/settings.rb', line 192

settings :profiling do
  # Enable profiling.
  #
  # @default `DD_PROFILING_ENABLED` environment variable, otherwise `false`
  # @return [Boolean]
  option :enabled do |o|
    o.env Profiling::Ext::ENV_ENABLED
    o.default false
    o.type :bool
  end

  # @public_api
  settings :exporter do
    option :transport
  end

  # Can be used to enable/disable collection of allocation profiles.
  #
  # This feature is disabled by default
  #
  # @warn Due to bugs in Ruby we only recommend enabling this feature in
  #       Ruby versions 2.x, 3.1.4+, 3.2.3+ and 3.3.0+
  #       (more details in {Datadog::Profiling::Component.enable_allocation_profiling?})
  #
  # @default `DD_PROFILING_ALLOCATION_ENABLED` environment variable as a boolean, otherwise `false`
  option :allocation_enabled do |o|
    o.type :bool
    o.deprecated_env 'DD_PROFILING_EXPERIMENTAL_ALLOCATION_ENABLED' # TODO: Remove this for dd-trace-rb 2.0
    o.env 'DD_PROFILING_ALLOCATION_ENABLED'
    o.default false
  end

  # @public_api
  settings :advanced do
    # @deprecated No longer does anything, and will be removed on dd-trace-rb 2.0.
    #
    # This was used prior to the GA of the new CPU Profiling 2.0 profiler. The CPU Profiling 2.0 profiler does not
    # use or need this setting and thus it doesn't do anything.
    option :max_events do |o|
      o.after_set do |_, _, precedence|
        unless precedence == Datadog::Core::Configuration::Option::Precedence::DEFAULT
          Datadog.logger.warn(
            'The profiling.advanced.max_events setting has been deprecated for removal and no ' \
            'longer does anything. Please remove it from your Datadog.configure block.'
          )
        end
      end
    end

    # Controls the maximum number of frames for each thread sampled. Can be tuned to avoid omitted frames in the
    # produced profiles. Increasing this may increase the overhead of profiling.
    #
    # @default `DD_PROFILING_MAX_FRAMES` environment variable, otherwise 400
    option :max_frames do |o|
      o.type :int
      o.env Profiling::Ext::ENV_MAX_FRAMES
      o.default 400
    end

    # @public_api
    settings :endpoint do
      settings :collection do
        # When using profiling together with tracing, this controls if endpoint names
        # are gathered and reported together with profiles.
        #
        # @default `DD_PROFILING_ENDPOINT_COLLECTION_ENABLED` environment variable, otherwise `true`
        # @return [Boolean]
        option :enabled do |o|
          o.env Profiling::Ext::ENV_ENDPOINT_COLLECTION_ENABLED
          o.default true
          o.type :bool
        end
      end
    end

    # Can be used to disable the gathering of names and versions of gems in use by the service, used to power
    # grouping and categorization of stack traces.
    option :code_provenance_enabled do |o|
      o.type :bool
      o.default true
    end

    # @deprecated No longer does anything, and will be removed on dd-trace-rb 2.0.
    #
    # This was added as a temporary support option in case of issues with the new `Profiling::HttpTransport` class
    # but we're now confident it's working nicely so we've removed the old code path.
    option :legacy_transport_enabled do |o|
      o.after_set do |_, _, precedence|
        unless precedence == Datadog::Core::Configuration::Option::Precedence::DEFAULT
          Datadog.logger.warn(
            'The profiling.advanced.legacy_transport_enabled setting has been deprecated for removal and no ' \
            'longer does anything. Please remove it from your Datadog.configure block.'
          )
        end
      end
    end

    # @deprecated No longer does anything, and will be removed on dd-trace-rb 2.0.
    #
    # This was used prior to the GA of the new CPU Profiling 2.0 profiler. Using CPU Profiling 2.0 is now the
    # default and this doesn't do anything.
    option :force_enable_new_profiler do |o|
      o.after_set do |_, _, precedence|
        unless precedence == Datadog::Core::Configuration::Option::Precedence::DEFAULT
          Datadog.logger.warn(
            'The profiling.advanced.force_enable_new_profiler setting has been deprecated for removal and no ' \
            'longer does anything. Please remove it from your Datadog.configure block.'
          )
        end
      end
    end

    # @deprecated No longer does anything, and will be removed on dd-trace-rb 2.0.
    #
    # This was used prior to the GA of the new CPU Profiling 2.0 profiler. Using CPU Profiling 2.0 is now the
    # default and this doesn't do anything.
    option :force_enable_legacy_profiler do |o|
      o.after_set do |_, _, precedence|
        unless precedence == Datadog::Core::Configuration::Option::Precedence::DEFAULT
          Datadog.logger.warn(
            'The profiling.advanced.force_enable_legacy_profiler setting has been deprecated for removal and no ' \
            'longer does anything. Please remove it from your Datadog.configure block.'
          )
        end
      end
    end

    # @deprecated No longer does anything, and will be removed on dd-trace-rb 2.0.
    #
    # GC profiling is now on by default and controlled by {:gc_enabled}.
    option :force_enable_gc_profiling do |o|
      o.after_set do |_, _, precedence|
        unless precedence == Datadog::Core::Configuration::Option::Precedence::DEFAULT
          Datadog.logger.warn(
            'The profiling.advanced.force_enable_gc_profiling setting has been deprecated for removal and no ' \
            'longer does anything (the feature is now on by default). ' \
            'Please remove this setting from your Datadog.configure block.'
          )
        end
      end
    end

    # Can be used to enable/disable garbage collection profiling.
    #
    # @warn To avoid https://bugs.ruby-lang.org/issues/18464 even when enabled, GC profiling is only started
    #       for Ruby versions 2.x, 3.1.4+, 3.2.3+ and 3.3.0+
    #       (more details in {Datadog::Profiling::Component.enable_gc_profiling?})
    #
    # @warn Due to a VM bug in the Ractor implementation (https://bugs.ruby-lang.org/issues/19112) this feature
    #       stops working when Ractors get garbage collected.
    #
    # @default `DD_PROFILING_GC_ENABLED` environment variable, otherwise `true`
    option :gc_enabled do |o|
      o.type :bool
      o.env 'DD_PROFILING_GC_ENABLED'
      o.default true
    end

    # Can be used to enable/disable the Datadog::Profiling.allocation_count feature.
    #
    # @deprecated Use {:allocation_enabled} (outside of advanced section) instead.
    option :allocation_counting_enabled do |o|
      o.after_set do |_, _, precedence|
        unless precedence == Datadog::Core::Configuration::Option::Precedence::DEFAULT
          Datadog.logger.warn(
            'The profiling.advanced.allocation_counting_enabled setting has been deprecated for removal and no ' \
            'longer does anything. Please remove it from your Datadog.configure block. ' \
            'Allocation counting is now controlled by the profiling.allocation_enabled setting instead.'
          )
        end
      end
    end

    # @deprecated Use {:allocation_enabled} (outside of advanced section) instead.
    option :experimental_allocation_enabled do |o|
      o.type :bool
      o.default false
      o.after_set do |_, _, precedence|
        unless precedence == Datadog::Core::Configuration::Option::Precedence::DEFAULT
          Datadog.logger.warn(
            'The profiling.advanced.experimental_allocation_enabled setting has been deprecated for removal and ' \
            'no longer does anything. Please remove it from your Datadog.configure block. ' \
            'Allocation profiling is now controlled by the profiling.allocation_enabled setting instead.'
          )
        end
      end
    end

    # Can be used to enable/disable the collection of heap profiles.
    #
    # This feature is alpha and disabled by default
    #
    # @warn To enable heap profiling you are required to also enable allocation profiling.
    #
    # @default `DD_PROFILING_EXPERIMENTAL_HEAP_ENABLED` environment variable as a boolean, otherwise `false`
    option :experimental_heap_enabled do |o|
      o.type :bool
      o.env 'DD_PROFILING_EXPERIMENTAL_HEAP_ENABLED'
      o.default false
    end

    # Can be used to enable/disable the collection of heap size profiles.
    #
    # This feature is alpha and enabled by default when heap profiling is enabled.
    #
    # @warn To enable heap size profiling you are required to also enable allocation and heap profiling.
    #
    # @default `DD_PROFILING_EXPERIMENTAL_HEAP_SIZE_ENABLED` environment variable as a boolean, otherwise
    # whatever the value of DD_PROFILING_EXPERIMENTAL_HEAP_ENABLED is.
    option :experimental_heap_size_enabled do |o|
      o.type :bool
      o.env 'DD_PROFILING_EXPERIMENTAL_HEAP_SIZE_ENABLED'
      o.default true # This gets ANDed with experimental_heap_enabled in the profiler component.
    end

    # Can be used to configure the allocation sampling rate: a sample will be collected every x allocations.
    #
    # This feature is now controlled via {:overhead_target_percentage}
    option :experimental_allocation_sample_rate do |o|
      o.after_set do |_, _, precedence|
        unless precedence == Datadog::Core::Configuration::Option::Precedence::DEFAULT
          Datadog.logger.warn(
            'The profiling.advanced.experimental_allocation_sample_rate setting has been deprecated for removal ' \
            'and no longer does anything. Please remove it from your Datadog.configure block. ' \
            'Allocation sample rate is now handled by a dynamic sampler which will adjust the sampling rate to ' \
            'keep to the configured `profiling.advanced.overhead_target_percentage`.'
          )
        end
      end
    end

    # Can be used to configure the heap sampling rate: a heap sample will be collected for every x allocation
    # samples.
    #
    # The lower the value, the more accuracy in heap tracking but the bigger the overhead. In particular, a
    # value of 1 will track ALL allocations samples for heap profiles.
    #
    # The effective heap sampling rate in terms of allocations (not allocation samples) can be calculated via
    # effective_heap_sample_rate = allocation_sample_rate * heap_sample_rate.
    #
    # @default `DD_PROFILING_EXPERIMENTAL_HEAP_SAMPLE_RATE` environment variable, otherwise `10`.
    option :experimental_heap_sample_rate do |o|
      o.type :int
      o.env 'DD_PROFILING_EXPERIMENTAL_HEAP_SAMPLE_RATE'
      o.default 10
    end

    # Can be used to disable checking which version of `libmysqlclient` is being used by the `mysql2` gem.
    #
    # This setting is only used when the `mysql2` gem is installed.
    #
    # @default `DD_PROFILING_SKIP_MYSQL2_CHECK` environment variable, otherwise `false`
    option :skip_mysql2_check do |o|
      o.type :bool
      o.env 'DD_PROFILING_SKIP_MYSQL2_CHECK'
      o.default false
    end

    # Enables data collection for the timeline feature. This is still experimental and not recommended yet.
    #
    # @default `DD_PROFILING_EXPERIMENTAL_TIMELINE_ENABLED` environment variable as a boolean, otherwise `false`
    option :experimental_timeline_enabled do |o|
      o.after_set do |_, _, precedence|
        unless precedence == Datadog::Core::Configuration::Option::Precedence::DEFAULT
          Datadog.logger.warn(
            'The profiling.advanced.experimental_timeline_enabled setting has been deprecated for removal ' \
            'and no longer does anything. Please remove it from your Datadog.configure block. ' \
            'The timeline feature counting is now controlled by the `timeline_enabled` setting instead.'
          )
        end
      end
    end

    # Controls data collection for the timeline feature.
    #
    # If you needed to disable this, please tell us why on <https://github.com/DataDog/dd-trace-rb/issues/new>,
    # so we can fix it!
    #
    # @default `DD_PROFILING_TIMELINE_ENABLED` environment variable as a boolean, otherwise `true`
    option :timeline_enabled do |o|
      o.type :bool
      o.env 'DD_PROFILING_TIMELINE_ENABLED'
      o.default true
    end

    # The profiler gathers data by sending `SIGPROF` unix signals to Ruby application threads.
    #
    # Sending `SIGPROF` is a common profiling approach, and may cause system calls from native
    # extensions/libraries to be interrupted with a system
    # [EINTR error code.](https://man7.org/linux/man-pages/man7/signal.7.html#:~:text=Interruption%20of%20system%20calls%20and%20library%20functions%20by%20signal%20handlers)
    # Rarely, native extensions or libraries called by them may have missing or incorrect error handling for the
    # `EINTR` error code.
    #
    # The "no signals" workaround, when enabled, enables an alternative mode for the profiler where it does not
    # send `SIGPROF` unix signals. The downside of this approach is that the profiler data will have lower
    # quality.
    #
    # This workaround is automatically enabled when gems that are known to have issues handling
    # `EINTR` error codes are detected. If you suspect you may be seeing an issue due to the profiler's use of
    # signals, you can try manually enabling this mode as a fallback.
    # Please also report these issues to us on <https://github.com/DataDog/dd-trace-rb/issues/new>, so we can
    # work with the gem authors to fix them!
    #
    # @default `DD_PROFILING_NO_SIGNALS_WORKAROUND_ENABLED` environment variable as a boolean, otherwise `:auto`
    option :no_signals_workaround_enabled do |o|
      o.env 'DD_PROFILING_NO_SIGNALS_WORKAROUND_ENABLED'
      o.default :auto
      o.env_parser do |value|
        if value
          value = value.strip.downcase
          ['true', '1'].include?(value)
        end
      end
    end

    # Configures how much wall-time overhead the profiler targets. The profiler will dynamically adjust the
    # interval between samples it takes so as to try and maintain the property that it spends no longer than
    # this amount of wall-clock time profiling. For example, with the default value of 2%, the profiler will
    # try and cause no more than 1.2 seconds per minute of overhead. Decreasing this value will reduce the
    # accuracy of the data collected. Increasing will impact the application.
    #
    # We do not recommend tweaking this value.
    #
    # This value should be a percentage i.e. a number between 0 and 100, not 0 and 1.
    #
    # @default `DD_PROFILING_OVERHEAD_TARGET_PERCENTAGE` as a float, otherwise 2.0
    option :overhead_target_percentage do |o|
      o.type :float
      o.env 'DD_PROFILING_OVERHEAD_TARGET_PERCENTAGE'
      o.default 2.0
    end

    # Controls how often the profiler reports data, in seconds. Cannot be lower than 60 seconds.
    #
    # We do not recommend tweaking this value.
    #
    # @default `DD_PROFILING_UPLOAD_PERIOD` environment variable, otherwise 60
    option :upload_period_seconds do |o|
      o.type :int
      o.env 'DD_PROFILING_UPLOAD_PERIOD'
      o.default 60
    end
  end

  # @public_api
  settings :upload do
    # Network timeout for reporting profiling data to Datadog.
    #
    # @default `DD_PROFILING_UPLOAD_TIMEOUT` environment variable, otherwise `30.0`
    option :timeout_seconds do |o|
      o.type :float
      o.env Profiling::Ext::ENV_UPLOAD_TIMEOUT
      o.default 30.0
    end
  end
end

#remoteDatadog::Core::Configuration::Settings::DSL::Remote

Remote configuration

Returns:



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# File 'lib/datadog/core/configuration/settings.rb', line 785

settings :remote do
  # 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 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

  # Tune remote configuration polling interval.
  # This is a private setting. Do not use outside of Datadog. It might change at any point in time.
  #
  # @default `DD_REMOTE_CONFIG_POLL_INTERVAL_SECONDS` environment variable, otherwise `5.0` seconds.
  # @return [Float]
  # @!visibility private
  option :poll_interval_seconds do |o|
    o.env Core::Remote::Ext::ENV_POLL_INTERVAL_SECONDS
    o.type :float
    o.default 5.0
  end

  # Tune remote configuration boot timeout.
  # Early operations such as requests are blocked until RC is ready. In
  # order to not block the application indefinitely a timeout is
  # enforced allowing requests to proceed with the local configuration.
  #
  # @default `DD_REMOTE_CONFIG_BOOT_TIMEOUT` environment variable, otherwise `1.0` seconds.
  # @return [Float]
  option :boot_timeout_seconds do |o|
    o.env Core::Remote::Ext::ENV_BOOT_TIMEOUT_SECONDS
    o.type :float
    o.default 1.0
  end

  # Declare service name to bind to remote configuration. Use when
  # DD_SERVICE does not match the correct integration for which remote
  # configuration applies.
  #
  # @default `nil`.
  # @return [String,nil]
  option :service
end

#runtime_metricsDatadog::Core::Configuration::Settings::DSL::RuntimeMetrics

Runtime Metrics are StatsD metrics collected by the tracer to gain additional insights into an application's performance.

Returns:



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# File 'lib/datadog/core/configuration/settings.rb', line 552

settings :runtime_metrics do
  # Enable runtime metrics.
  # @default `DD_RUNTIME_METRICS_ENABLED` environment variable, otherwise `false`
  # @return [Boolean]
  option :enabled do |o|
    o.env Core::Runtime::Ext::Metrics::ENV_ENABLED
    o.default false
    o.type :bool
  end

  option :opts, default: {}, type: :hash
  option :statsd
end

#telemetryDatadog::Core::Configuration::Settings::DSL::Telemetry

Client-side telemetry configuration

Returns:



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# File 'lib/datadog/core/configuration/settings.rb', line 700

settings :telemetry do
  # Whether the bundled Ruby gems as reported through telemetry.
  #
  # @default `DD_TELEMETRY_DEPENDENCY_COLLECTION_ENABLED` environment variable, otherwise `true`.
  # @return [Boolean]
  option :dependency_collection do |o|
    o.type :bool
    o.env Core::Telemetry::Ext::ENV_DEPENDENCY_COLLECTION
    o.default true
  end

  # Enable telemetry collection. This allows telemetry events to be emitted to the telemetry API.
  #
  # @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 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

  # The interval in seconds when telemetry must be sent.
  #
  # This method is used internally, for testing purposes only.
  #
  # @default `DD_TELEMETRY_HEARTBEAT_INTERVAL` environment variable, otherwise `60`.
  # @return [Float]
  # @!visibility private
  option :heartbeat_interval_seconds do |o|
    o.type :float
    o.env Core::Telemetry::Ext::ENV_HEARTBEAT_INTERVAL
    o.default 60.0
  end

  # The install id of the application.
  #
  # This method is used internally, by library injection.
  #
  # @default `DD_INSTRUMENTATION_INSTALL_ID` environment variable, otherwise `nil`.
  # @return [String,nil]
  # @!visibility private
  option :install_id do |o|
    o.type :string, nilable: true
    o.env Core::Telemetry::Ext::ENV_INSTALL_ID
  end

  # The install type of the application.
  #
  # This method is used internally, by library injection.
  #
  # @default `DD_INSTRUMENTATION_INSTALL_TYPE` environment variable, otherwise `nil`.
  # @return [String,nil]
  # @!visibility private
  option :install_type do |o|
    o.type :string, nilable: true
    o.env Core::Telemetry::Ext::ENV_INSTALL_TYPE
  end

  # The install time of the application.
  #
  # This method is used internally, by library injection.
  #
  # @default `DD_INSTRUMENTATION_INSTALL_TIME` environment variable, otherwise `nil`.
  # @return [String,nil]
  # @!visibility private
  option :install_time do |o|
    o.type :string, nilable: true
    o.env Core::Telemetry::Ext::ENV_INSTALL_TIME
  end
end