chore: Migrated @newrelic/aws-sdk into agent repo

lib/instrumentation/aws-sdk/nr-hooks.js

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+'use strict'
+const InstrumentationDescriptor = require('../../instrumentation-descriptor')
+
+const instrumentations = [
+  {
+    type: InstrumentationDescriptor.TYPE_CONGLOMERATE,
+    moduleName: 'aws-sdk',
+    onRequire: require('./v2/instrumentation')
+  },
+  {
+    type: InstrumentationDescriptor.TYPE_CONGLOMERATE,
+    moduleName: '@aws-sdk/smithy-client',
+    onRequire: require('./v3/smithy-client'),
+    shimName: 'aws-sdk'
+  },
+  {
+    type: InstrumentationDescriptor.TYPE_CONGLOMERATE,
+    moduleName: '@smithy/smithy-client',
+    onRequire: require('./v3/smithy-client'),
+    shimName: 'aws-sdk'
+  }
+]
+
+module.exports = instrumentations

lib/instrumentation/aws-sdk/util.js

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+'use strict'
+const UNKNOWN = 'Unknown'
+const {
+  params: { DatastoreParameters }
+} = require('../../shim/specs')
+
+function grabLastUrlSegment(url = '/') {
+  // cast URL as string, and an empty
+  // string for null, undefined, NaN etc.
+  url = '' + (url || '/')
+  const lastSlashIndex = url.lastIndexOf('/')
+  return url.substr(lastSlashIndex + 1)
+}
+
+/**
+ * Retrieves the db segment params from endpoint and command parameters
+ *
+ * @param {Object} endpoint instance of ddb endpoint
+ * @param {Object} params parameters passed to a ddb command
+ * @returns {Object}
+ */
+function setDynamoParameters(endpoint, params) {
+  return new DatastoreParameters({
+    host: endpoint && (endpoint.host || endpoint.hostname),
+    port_path_or_id: (endpoint && endpoint.port) || 443,
+    collection: (params && params.TableName) || UNKNOWN
+  })
+}
+
+module.exports = {
+  grabLastUrlSegment,
+  setDynamoParameters
+}

lib/instrumentation/aws-sdk/v2/core.js

@@ -0,0 +1,105 @@
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+'use strict'
+
+const UNKNOWN = 'Unknown'
+const symbols = require('../../../symbols')
+const InstrumentationDescriptor = require('../../../instrumentation-descriptor')
+
+function validate(shim, AWS) {
+  if (!shim.isFunction(AWS.NodeHttpClient)) {
+    shim.logger.debug('Could not find NodeHttpClient, not instrumenting.')
+    return false
+  }
+  if (!shim.isFunction(AWS.Service) || !shim.isFunction(AWS.Service.prototype.makeRequest)) {
+    shim.logger.debug('Could not find AWS.Service#makeRequest, not instrumenting.')
+    return false
+  }
+  return true
+}
+
+function instrument(shim, AWS) {
+  shim.wrap(AWS.NodeHttpClient.prototype, 'handleRequest', wrapHandleRequest)
+  shim.wrapReturn(AWS.Service.prototype, 'makeRequest', wrapMakeRequest)
+}
+
+function wrapHandleRequest(shim, handleRequest) {
+  return function wrappedHandleRequest(httpRequest) {
+    if (httpRequest) {
+      if (!httpRequest.headers) {
+        httpRequest.headers = Object.create(null)
+      }
+      httpRequest.headers[symbols.disableDT] = true
+    } else {
+      shim.logger.debug('Unknown arguments to AWS.NodeHttpClient#handleRequest!')
+    }
+
+    return handleRequest.apply(this, arguments)
+  }
+}
+
+function wrapMakeRequest(shim, fn, name, request) {
+  if (!request) {
+    shim.logger.trace('No request object returned from Service#makeRequest')
+    return
+  }
+
+  const service = getServiceName(this)
+  const region = this?.config?.region
+  request.on('complete', function onAwsRequestComplete() {
+    const httpRequest = request.httpRequest && request.httpRequest.stream
+    const segment = shim.getSegment(httpRequest)
+    if (!httpRequest || !segment) {
+      shim.logger.trace('No segment found for request, not extracting information.')
+      return
+    }
+
+    const requestRegion = request?.httpRequest?.region
+    const requestId = request?.response?.requestId
+
+    segment.addAttribute('aws.operation', request.operation || UNKNOWN)
+    segment.addAttribute('aws.requestId', requestId || UNKNOWN)
+    segment.addAttribute('aws.service', service || UNKNOWN)
+    segment.addAttribute('aws.region', requestRegion || region || UNKNOWN)
+  })
+
+  shim.wrap(request, 'promise', function wrapPromiseFunc(shim, original) {
+    const activeSegment = shim.getActiveSegment()
+
+    return function wrappedPromiseFunc() {
+      if (!activeSegment) {
+        return original.apply(this, arguments)
+      }
+
+      const promise = shim.applySegment(original, activeSegment, false, this, arguments)
+
+      return shim.bindPromise(promise, activeSegment)
+    }
+  })
+}
+
+function getServiceName(service) {
+  if (service.api && (service.api.abbreviation || service.api.serviceId)) {
+    return service.api.abbreviation || service.api.serviceId
+  }
+
+  // In theory, getting the `constructor.prototype` should be redundant with
+  // checking `service`. However, the aws-sdk dynamically generates classes and
+  // doing this deep check was the recommended method by the maintainers.
+  const constructor = service.constructor
+  const api = constructor && constructor.prototype && constructor.prototype.api
+  if (api) {
+    return api.abbreviation || api.serviceId
+  }
+  return null
+}
+
+module.exports = {
+  name: 'core',
+  type: InstrumentationDescriptor.TYPE_GENERIC,
+  validate,
+  instrument
+}

lib/instrumentation/aws-sdk/v2/dynamodb.js

@@ -0,0 +1,103 @@
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+'use strict'
+const InstrumentationDescriptor = require('../../../instrumentation-descriptor')
+
+const DDB_OPERATIONS = [
+  'putItem',
+  'getItem',
+  'updateItem',
+  'deleteItem',
+  'createTable',
+  'deleteTable',
+  'query',
+  'scan'
+]
+
+const DOC_CLIENT_OPERATIONS = [
+  'get',
+  'put',
+  'update',
+  'delete',
+  'batchGet',
+  'batchWrite',
+  'transactGet',
+  'transactWrite',
+  'query',
+  'scan'
+]
+const {
+  OperationSpec,
+  params: { DatastoreParameters }
+} = require('../../../shim/specs')
+
+const { setDynamoParameters } = require('../util')
+
+function instrument(shim, AWS) {
+  shim.setDatastore(shim.DYNAMODB)
+
+  // DynamoDB's service API methods are dynamically generated
+  // in the constructor so we have to wrap the return.
+  shim.wrapReturn(AWS, 'DynamoDB', function wrapDynamo(shim, fn, name, ddb) {
+    shim.recordOperation(
+      ddb,
+      DDB_OPERATIONS,
+      function wrapMethod(shim, original, operationName, args) {
+        const params = args[0]
+
+        return new OperationSpec({
+          name: operationName,
+          parameters: setDynamoParameters(this.endpoint, params),
+          callback: shim.LAST,
+          opaque: true
+        })
+      }
+    )
+  })
+
+  // DocumentClient's API is predefined so we can instrument the prototype.
+  // DocumentClient does defer to DynamoDB but it also does enough individual
+  // steps for the request we want to hide that instrumenting specifically and
+  // setting to opaque is currently required.
+  const docClientProto = AWS.DynamoDB.DocumentClient.prototype
+  shim.recordOperation(
+    docClientProto,
+    DOC_CLIENT_OPERATIONS,
+    function wrapOperation(shim, original, operationName, args) {
+      const params = args[0]
+      const dynamoOperation = this.serviceClientOperationsMap[operationName]
+
+      // DocumentClient can be defined with a different service such as AmazonDaxClient.
+      // In these cases, an endpoint property may not exist. In the DAX case,
+      // the eventual cached endpoint to be hit is not known at this point.
+      const endpoint = this.service && this.service.endpoint
+
+      return new OperationSpec({
+        name: dynamoOperation,
+        parameters: new DatastoreParameters({
+          host: endpoint?.host,
+          port_path_or_id: endpoint?.port,
+          collection: params?.TableName || 'Unknown'
+        }),
+        callback: shim.LAST,
+        opaque: true
+      })
+    }
+  )
+}
+
+module.exports = {
+  name: 'dynamodb',
+  type: InstrumentationDescriptor.TYPE_DATASTORE,
+  instrument,
+  validate: (shim, AWS) => {
+    if (!shim.isFunction(AWS.DynamoDB)) {
+      shim.logger.debug('Could not find DynamoDB, not instrumenting.')
+      return false
+    }
+    return true
+  }
+}

lib/instrumentation/aws-sdk/v2/instrumentation-helper.js

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+'use strict'
+
+/**
+ * Series of tests to determine if the library
+ * has the features needed to provide instrumentation
+ * @param AWS
+ */
+const instrumentationSupported = function instrumentationSupported(AWS) {
+  // instrumentation requires the serviceClientOperationsMap property
+  /* eslint-disable-next-line */
+  if (
+    !AWS ||
+    !AWS.DynamoDB ||
+    !AWS.DynamoDB.DocumentClient ||
+    !AWS.DynamoDB.DocumentClient.prototype ||
+    !AWS.DynamoDB.DocumentClient.prototype.serviceClientOperationsMap
+  ) {
+    return false
+  }
+
+  return true
+}
+
+module.exports = {
+  instrumentationSupported
+}

lib/instrumentation/aws-sdk/v2/instrumentation.js

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+'use strict'
+
+const INSTRUMENTATIONS = [
+  require('./core'),
+  require('./dynamodb'),
+  require('./sqs'),
+  require('./sns')
+]
+
+const helper = require('./instrumentation-helper')
+
+module.exports = function initialize(shim, AWS) {
+  if (!helper.instrumentationSupported(AWS)) {
+    return false
+  }
+  // Validate every instrumentation before attempting to run any of them.
+  for (const instrumentation of INSTRUMENTATIONS) {
+    if (!instrumentation.validate(shim, AWS)) {
+      return false
+    }
+  }
+
+  for (const instrumentation of INSTRUMENTATIONS) {
+    const subshim = shim.makeSpecializedShim(instrumentation.type, instrumentation.name)
+    instrumentation.instrument(subshim, AWS)
+  }
+
+  return true
+}

lib/instrumentation/aws-sdk/v2/sns.js

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+'use strict'
+const { MessageSpec } = require('../../../shim/specs')
+const InstrumentationDescriptor = require('../../../instrumentation-descriptor')
+
+module.exports = {
+  name: 'sns',
+  type: InstrumentationDescriptor.TYPE_MESSAGE,
+  validate: (shim, AWS) => {
+    if (!shim.isFunction(AWS.SNS)) {
+      shim.logger.debug('Could not find SNS, not instrumenting.')
+      return false
+    }
+    return true
+  },
+  instrument
+}
+
+function instrument(shim, AWS) {
+  shim.setLibrary(shim.SNS)
+
+  shim.wrapReturn(AWS, 'SNS', function wrapSns(shim, original, name, sns) {
+    shim.recordProduce(sns, 'publish', wrapPublish)
+  })
+}
+
+function wrapPublish(shim, original, name, args) {
+  return new MessageSpec({
+    callback: shim.LAST,
+    destinationName: getDestinationName(args[0]),
+    destinationType: shim.TOPIC,
+    opaque: true
+  })
+}
+
+function getDestinationName({ TopicArn, TargetArn }) {
+  return TopicArn || TargetArn || 'PhoneNumber' // We don't want the value of PhoneNumber
+}