feat(telemetry): adding instrumentation_config_id

Simialr to DataDog/dd-trace-py#8783

Author: stanistan

packages/dd-trace/src/config.js

@@ -60,7 +60,7 @@ function checkIfBothOtelAndDdEnvVarSet () {
       log.warn(`both ${ddVar} and ${otelVar} environment variables are set`)
       getCounter('otel.env.hiding', ddVar, otelVar,
         otelVar === 'OTEL_TRACES_SAMPLER' &&
-        process.env.OTEL_TRACES_SAMPLER_ARG
+          process.env.OTEL_TRACES_SAMPLER_ARG
           ? 'OTEL_TRACES_SAMPLER_ARG'
           : undefined).inc()
     }
@@ -516,6 +516,7 @@ class Config {
     this._setValue(defaults, 'tracing', true)
     this._setValue(defaults, 'url', undefined)
     this._setValue(defaults, 'version', pkg.version)
+    this._setValue(defaults, 'instrumentation_config_id', undefined)
   }
 
   _applyEnvironment () {
@@ -547,6 +548,7 @@ class Config {
       DD_IAST_REQUEST_SAMPLING,
       DD_IAST_TELEMETRY_VERBOSITY,
       DD_INSTRUMENTATION_TELEMETRY_ENABLED,
+      DD_INSTRUMENTATION_CONFIG_ID,
       DD_LOGS_INJECTION,
       DD_OPENAI_LOGS_ENABLED,
       DD_OPENAI_SPAN_CHAR_LIMIT,
@@ -669,7 +671,7 @@ class Config {
       ? false
       : undefined
     this._setBoolean(env, 'runtimeMetrics', DD_RUNTIME_METRICS_ENABLED ||
-    otelSetRuntimeMetrics)
+      otelSetRuntimeMetrics)
     const OTEL_TRACES_SAMPLER_MAPPING = {
       always_on: '1.0',
       always_off: '0.0',
@@ -695,6 +697,7 @@ class Config {
       DD_INSTRUMENTATION_TELEMETRY_ENABLED, // to comply with instrumentation telemetry specs
       !(this._isInServerlessEnvironment() || JEST_WORKER_ID)
     ))
+    this._setString(env, 'instrumentation_config_id', DD_INSTRUMENTATION_CONFIG_ID)
     this._setBoolean(env, 'telemetry.debug', DD_TELEMETRY_DEBUG)
     this._setBoolean(env, 'telemetry.dependencyCollection', DD_TELEMETRY_DEPENDENCY_COLLECTION_ENABLED)
     this._setValue(env, 'telemetry.heartbeatInterval', maybeInt(Math.floor(DD_TELEMETRY_HEARTBEAT_INTERVAL * 1000)))
@@ -780,7 +783,7 @@ class Config {
     this._setBoolean(opts, 'startupLogs', options.startupLogs)
     this._setTags(opts, 'tags', tags)
     this._setBoolean(opts, 'telemetry.logCollection', options.iastOptions &&
-    (options.iastOptions === true || options.iastOptions.enabled === true))
+      (options.iastOptions === true || options.iastOptions.enabled === true))
     this._setBoolean(opts, 'traceId128BitGenerationEnabled', options.traceId128BitGenerationEnabled)
     this._setBoolean(opts, 'traceId128BitLoggingEnabled', options.traceId128BitLoggingEnabled)
     this._setString(opts, 'version', options.version || tags.version)

packages/dd-trace/test/config.spec.js

@@ -136,7 +136,7 @@ describe('Config', () => {
 
   it('should correctly map OTEL_RESOURCE_ATTRIBUTES', () => {
     process.env.OTEL_RESOURCE_ATTRIBUTES =
-    'deployment.environment=test1,service.name=test2,service.version=5,foo=bar1,baz=qux1'
+      'deployment.environment=test1,service.name=test2,service.version=5,foo=bar1,baz=qux1'
     const config = new Config()
 
     expect(config).to.have.property('env', 'test1')
@@ -199,6 +199,7 @@ describe('Config', () => {
     expect(config).to.have.property('spanAttributeSchema', 'v0')
     expect(config).to.have.property('spanComputePeerService', false)
     expect(config).to.have.property('spanRemoveIntegrationFromService', false)
+    expect(config).to.have.property('instrumentation_config_id', undefined)
     expect(config).to.have.deep.property('serviceMapping', {})
     expect(config).to.have.nested.deep.property('tracePropagationStyle.inject', ['datadog', 'tracecontext'])
     expect(config).to.have.nested.deep.property('tracePropagationStyle.extract', ['datadog', 'tracecontext'])
@@ -410,6 +411,7 @@ describe('Config', () => {
     process.env.DD_INSTRUMENTATION_INSTALL_ID = '68e75c48-57ca-4a12-adfc-575c4b05fcbe'
     process.env.DD_INSTRUMENTATION_INSTALL_TYPE = 'k8s_single_step'
     process.env.DD_INSTRUMENTATION_INSTALL_TIME = '1703188212'
+    process.env.DD_INSTRUMENTATION_CONFIG_ID = 'abcedf123'
 
     const config = new Config()
 
@@ -433,6 +435,7 @@ describe('Config', () => {
     expect(config).to.have.property('spanAttributeSchema', 'v1')
     expect(config).to.have.property('spanRemoveIntegrationFromService', true)
     expect(config).to.have.property('spanComputePeerService', true)
+    expect(config).to.have.property('instrumentation_config_id', 'abcdef123')
     expect(config.tags).to.include({ foo: 'bar', baz: 'qux' })
     expect(config.tags).to.include({ service: 'service', version: '1.0.0', env: 'test' })
     expect(config).to.have.deep.nested.property('sampler', {
@@ -538,7 +541,8 @@ describe('Config', () => {
       { name: 'iast.maxContextOperations', value: 4, origin: 'env_var' },
       { name: 'iast.deduplicationEnabled', value: false, origin: 'env_var' },
       { name: 'iast.redactionEnabled', value: false, origin: 'env_var' },
-      { name: 'iast.telemetryVerbosity', value: 'DEBUG', origin: 'env_var' }
+      { name: 'iast.telemetryVerbosity', value: 'DEBUG', origin: 'env_var' },
+      { name: 'instrumentation_config_id', value: 'abcdef123', origin: 'env_var' }
     )
   })