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| 1 | +/* |
| 2 | + * Copyright The OpenTelemetry Authors |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * https://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + * |
| 16 | + * NOTICE from the Sentry authors: |
| 17 | + * - Vendored from: https://github.com/open-telemetry/opentelemetry-js-contrib/tree/15ef7506553f631ea4181391e0c5725a56f0d082/packages/instrumentation-tedious |
| 18 | + * - Upstream version: @opentelemetry/instrumentation-tedious@0.37.0 |
| 19 | + * - Minor TypeScript strictness adjustments |
| 20 | + */ |
| 21 | +/* eslint-disable */ |
| 22 | + |
| 23 | +import * as api from '@opentelemetry/api'; |
| 24 | +import { EventEmitter } from 'events'; |
| 25 | +import { |
| 26 | + InstrumentationBase, |
| 27 | + InstrumentationNodeModuleDefinition, |
| 28 | + isWrapped, |
| 29 | + SemconvStability, |
| 30 | + semconvStabilityFromStr, |
| 31 | +} from '@opentelemetry/instrumentation'; |
| 32 | +import { |
| 33 | + ATTR_DB_COLLECTION_NAME, |
| 34 | + ATTR_DB_NAMESPACE, |
| 35 | + ATTR_DB_QUERY_TEXT, |
| 36 | + ATTR_DB_SYSTEM_NAME, |
| 37 | + ATTR_SERVER_ADDRESS, |
| 38 | + ATTR_SERVER_PORT, |
| 39 | + DB_SYSTEM_NAME_VALUE_MICROSOFT_SQL_SERVER, |
| 40 | +} from '@opentelemetry/semantic-conventions'; |
| 41 | +import { |
| 42 | + DB_SYSTEM_VALUE_MSSQL, |
| 43 | + ATTR_DB_NAME, |
| 44 | + ATTR_DB_SQL_TABLE, |
| 45 | + ATTR_DB_STATEMENT, |
| 46 | + ATTR_DB_SYSTEM, |
| 47 | + ATTR_DB_USER, |
| 48 | + ATTR_NET_PEER_NAME, |
| 49 | + ATTR_NET_PEER_PORT, |
| 50 | +} from './semconv'; |
| 51 | +import type * as tedious from './tedious-types'; |
| 52 | +import { TediousInstrumentationConfig } from './types'; |
| 53 | +import { getSpanName, once } from './utils'; |
| 54 | +import { SDK_VERSION } from '@sentry/core'; |
| 55 | + |
| 56 | +const PACKAGE_NAME = '@sentry/instrumentation-tedious'; |
| 57 | + |
| 58 | +const CURRENT_DATABASE = Symbol('opentelemetry.instrumentation-tedious.current-database'); |
| 59 | + |
| 60 | +export const INJECTED_CTX = Symbol('opentelemetry.instrumentation-tedious.context-info-injected'); |
| 61 | + |
| 62 | +const PATCHED_METHODS = ['callProcedure', 'execSql', 'execSqlBatch', 'execBulkLoad', 'prepare', 'execute']; |
| 63 | + |
| 64 | +type UnknownFunction = (...args: any[]) => any; |
| 65 | +type ApproxConnection = EventEmitter & { |
| 66 | + [CURRENT_DATABASE]: string; |
| 67 | + config: any; |
| 68 | +}; |
| 69 | +type ApproxRequest = EventEmitter & { |
| 70 | + sqlTextOrProcedure: string | undefined; |
| 71 | + callback: any; |
| 72 | + table: string | undefined; |
| 73 | + parametersByName: any; |
| 74 | +}; |
| 75 | + |
| 76 | +function setDatabase(this: ApproxConnection, databaseName: string) { |
| 77 | + Object.defineProperty(this, CURRENT_DATABASE, { |
| 78 | + value: databaseName, |
| 79 | + writable: true, |
| 80 | + }); |
| 81 | +} |
| 82 | + |
| 83 | +export class TediousInstrumentation extends InstrumentationBase<TediousInstrumentationConfig> { |
| 84 | + static readonly COMPONENT = 'tedious'; |
| 85 | + private _netSemconvStability!: SemconvStability; |
| 86 | + private _dbSemconvStability!: SemconvStability; |
| 87 | + |
| 88 | + constructor(config: TediousInstrumentationConfig = {}) { |
| 89 | + super(PACKAGE_NAME, SDK_VERSION, config); |
| 90 | + this._setSemconvStabilityFromEnv(); |
| 91 | + } |
| 92 | + |
| 93 | + // Used for testing. |
| 94 | + private _setSemconvStabilityFromEnv() { |
| 95 | + this._netSemconvStability = semconvStabilityFromStr('http', process.env.OTEL_SEMCONV_STABILITY_OPT_IN); |
| 96 | + this._dbSemconvStability = semconvStabilityFromStr('database', process.env.OTEL_SEMCONV_STABILITY_OPT_IN); |
| 97 | + } |
| 98 | + |
| 99 | + protected init() { |
| 100 | + return [ |
| 101 | + new InstrumentationNodeModuleDefinition( |
| 102 | + TediousInstrumentation.COMPONENT, |
| 103 | + ['>=1.11.0 <20'], |
| 104 | + (moduleExports: typeof tedious) => { |
| 105 | + const ConnectionPrototype: any = moduleExports.Connection.prototype; |
| 106 | + for (const method of PATCHED_METHODS) { |
| 107 | + if (isWrapped(ConnectionPrototype[method])) { |
| 108 | + this._unwrap(ConnectionPrototype, method); |
| 109 | + } |
| 110 | + this._wrap(ConnectionPrototype, method, this._patchQuery(method, moduleExports) as any); |
| 111 | + } |
| 112 | + |
| 113 | + if (isWrapped(ConnectionPrototype.connect)) { |
| 114 | + this._unwrap(ConnectionPrototype, 'connect'); |
| 115 | + } |
| 116 | + this._wrap(ConnectionPrototype, 'connect', this._patchConnect); |
| 117 | + |
| 118 | + return moduleExports; |
| 119 | + }, |
| 120 | + (moduleExports: typeof tedious) => { |
| 121 | + if (moduleExports === undefined) return; |
| 122 | + const ConnectionPrototype: any = moduleExports.Connection.prototype; |
| 123 | + for (const method of PATCHED_METHODS) { |
| 124 | + this._unwrap(ConnectionPrototype, method); |
| 125 | + } |
| 126 | + this._unwrap(ConnectionPrototype, 'connect'); |
| 127 | + }, |
| 128 | + ), |
| 129 | + ]; |
| 130 | + } |
| 131 | + |
| 132 | + private _patchConnect(original: UnknownFunction): UnknownFunction { |
| 133 | + return function patchedConnect(this: ApproxConnection) { |
| 134 | + setDatabase.call(this, this.config?.options?.database); |
| 135 | + |
| 136 | + // remove the listener first in case it's already added |
| 137 | + this.removeListener('databaseChange', setDatabase); |
| 138 | + this.on('databaseChange', setDatabase); |
| 139 | + |
| 140 | + this.once('end', () => { |
| 141 | + this.removeListener('databaseChange', setDatabase); |
| 142 | + }); |
| 143 | + return original.apply(this, arguments as unknown as any[]); |
| 144 | + }; |
| 145 | + } |
| 146 | + |
| 147 | + private _buildTraceparent(span: api.Span): string { |
| 148 | + const sc = span.spanContext(); |
| 149 | + return `00-${sc.traceId}-${sc.spanId}-0${Number(sc.traceFlags || api.TraceFlags.NONE).toString(16)}`; |
| 150 | + } |
| 151 | + |
| 152 | + /** |
| 153 | + * Fire a one-off `SET CONTEXT_INFO @opentelemetry_traceparent` on the same |
| 154 | + * connection. Marks the request with INJECTED_CTX so our patch skips it. |
| 155 | + */ |
| 156 | + private _injectContextInfo(connection: any, tediousModule: typeof tedious, traceparent: string): Promise<void> { |
| 157 | + return new Promise(resolve => { |
| 158 | + try { |
| 159 | + const sql = 'set context_info @opentelemetry_traceparent'; |
| 160 | + const req = new tediousModule.Request(sql, (_err: any) => { |
| 161 | + resolve(); |
| 162 | + }); |
| 163 | + Object.defineProperty(req, INJECTED_CTX, { value: true }); |
| 164 | + const buf = Buffer.from(traceparent, 'utf8'); |
| 165 | + req.addParameter('opentelemetry_traceparent', (tediousModule as any).TYPES.VarBinary, buf, { |
| 166 | + length: buf.length, |
| 167 | + }); |
| 168 | + |
| 169 | + connection.execSql(req); |
| 170 | + } catch { |
| 171 | + resolve(); |
| 172 | + } |
| 173 | + }); |
| 174 | + } |
| 175 | + |
| 176 | + private _shouldInjectFor(operation: string): boolean { |
| 177 | + return ( |
| 178 | + operation === 'execSql' || |
| 179 | + operation === 'execSqlBatch' || |
| 180 | + operation === 'callProcedure' || |
| 181 | + operation === 'execute' |
| 182 | + ); |
| 183 | + } |
| 184 | + |
| 185 | + private _patchQuery(operation: string, tediousModule: typeof tedious) { |
| 186 | + return (originalMethod: UnknownFunction): UnknownFunction => { |
| 187 | + const thisPlugin = this; |
| 188 | + |
| 189 | + function patchedMethod(this: ApproxConnection, request: ApproxRequest) { |
| 190 | + // Skip our own injected request |
| 191 | + if ((request as any)?.[INJECTED_CTX]) { |
| 192 | + return originalMethod.apply(this, arguments as unknown as any[]); |
| 193 | + } |
| 194 | + |
| 195 | + if (!(request instanceof EventEmitter)) { |
| 196 | + thisPlugin._diag.warn(`Unexpected invocation of patched ${operation} method. Span not recorded`); |
| 197 | + return originalMethod.apply(this, arguments as unknown as any[]); |
| 198 | + } |
| 199 | + let procCount = 0; |
| 200 | + let statementCount = 0; |
| 201 | + const incrementStatementCount = () => statementCount++; |
| 202 | + const incrementProcCount = () => procCount++; |
| 203 | + const databaseName = this[CURRENT_DATABASE]; |
| 204 | + const sql = (request => { |
| 205 | + // Required for <11.0.9 |
| 206 | + if (request.sqlTextOrProcedure === 'sp_prepare' && request.parametersByName?.stmt?.value) { |
| 207 | + return request.parametersByName.stmt.value; |
| 208 | + } |
| 209 | + return request.sqlTextOrProcedure; |
| 210 | + })(request); |
| 211 | + |
| 212 | + const attributes: api.Attributes = {}; |
| 213 | + if (thisPlugin._dbSemconvStability & SemconvStability.OLD) { |
| 214 | + attributes[ATTR_DB_SYSTEM] = DB_SYSTEM_VALUE_MSSQL; |
| 215 | + attributes[ATTR_DB_NAME] = databaseName; |
| 216 | + // >=4 uses `authentication` object; older versions just userName and password pair |
| 217 | + attributes[ATTR_DB_USER] = this.config?.userName ?? this.config?.authentication?.options?.userName; |
| 218 | + attributes[ATTR_DB_STATEMENT] = sql; |
| 219 | + attributes[ATTR_DB_SQL_TABLE] = request.table; |
| 220 | + } |
| 221 | + if (thisPlugin._dbSemconvStability & SemconvStability.STABLE) { |
| 222 | + // The OTel spec for "db.namespace" discusses handling for connection |
| 223 | + // to MSSQL "named instances". This isn't currently supported. |
| 224 | + // https://opentelemetry.io/docs/specs/semconv/database/sql-server/#:~:text=%5B1%5D%20db%2Enamespace |
| 225 | + attributes[ATTR_DB_NAMESPACE] = databaseName; |
| 226 | + attributes[ATTR_DB_SYSTEM_NAME] = DB_SYSTEM_NAME_VALUE_MICROSOFT_SQL_SERVER; |
| 227 | + attributes[ATTR_DB_QUERY_TEXT] = sql; |
| 228 | + attributes[ATTR_DB_COLLECTION_NAME] = request.table; |
| 229 | + // See https://opentelemetry.io/docs/specs/semconv/database/sql-server/#spans |
| 230 | + // TODO(3290): can `db.response.status_code` be added? |
| 231 | + // TODO(3290): is `operation` correct for `db.operation.name` |
| 232 | + // TODO(3290): can `db.query.summary` reliably be calculated? |
| 233 | + // TODO(3290): `db.stored_procedure.name` |
| 234 | + } |
| 235 | + if (thisPlugin._netSemconvStability & SemconvStability.OLD) { |
| 236 | + attributes[ATTR_NET_PEER_NAME] = this.config?.server; |
| 237 | + attributes[ATTR_NET_PEER_PORT] = this.config?.options?.port; |
| 238 | + } |
| 239 | + if (thisPlugin._netSemconvStability & SemconvStability.STABLE) { |
| 240 | + attributes[ATTR_SERVER_ADDRESS] = this.config?.server; |
| 241 | + attributes[ATTR_SERVER_PORT] = this.config?.options?.port; |
| 242 | + } |
| 243 | + const span = thisPlugin.tracer.startSpan(getSpanName(operation, databaseName, sql, request.table), { |
| 244 | + kind: api.SpanKind.CLIENT, |
| 245 | + attributes, |
| 246 | + }); |
| 247 | + |
| 248 | + const endSpan = once((err?: any) => { |
| 249 | + request.removeListener('done', incrementStatementCount); |
| 250 | + request.removeListener('doneInProc', incrementStatementCount); |
| 251 | + request.removeListener('doneProc', incrementProcCount); |
| 252 | + request.removeListener('error', endSpan); |
| 253 | + this.removeListener('end', endSpan); |
| 254 | + |
| 255 | + span.setAttribute('tedious.procedure_count', procCount); |
| 256 | + span.setAttribute('tedious.statement_count', statementCount); |
| 257 | + if (err) { |
| 258 | + span.setStatus({ |
| 259 | + code: api.SpanStatusCode.ERROR, |
| 260 | + message: err.message, |
| 261 | + }); |
| 262 | + // TODO(3290): set `error.type` attribute? |
| 263 | + } |
| 264 | + span.end(); |
| 265 | + }); |
| 266 | + |
| 267 | + request.on('done', incrementStatementCount); |
| 268 | + request.on('doneInProc', incrementStatementCount); |
| 269 | + request.on('doneProc', incrementProcCount); |
| 270 | + request.once('error', endSpan); |
| 271 | + this.on('end', endSpan); |
| 272 | + |
| 273 | + if (typeof request.callback === 'function') { |
| 274 | + thisPlugin._wrap(request, 'callback', thisPlugin._patchCallbackQuery(endSpan)); |
| 275 | + } else { |
| 276 | + thisPlugin._diag.error('Expected request.callback to be a function'); |
| 277 | + } |
| 278 | + |
| 279 | + const runUserRequest = () => { |
| 280 | + return api.context.with(api.trace.setSpan(api.context.active(), span), originalMethod, this, ...arguments); |
| 281 | + }; |
| 282 | + |
| 283 | + const cfg = thisPlugin.getConfig(); |
| 284 | + const shouldInject = cfg.enableTraceContextPropagation && thisPlugin._shouldInjectFor(operation); |
| 285 | + |
| 286 | + if (!shouldInject) return runUserRequest(); |
| 287 | + |
| 288 | + const traceparent = thisPlugin._buildTraceparent(span); |
| 289 | + |
| 290 | + void thisPlugin._injectContextInfo(this, tediousModule, traceparent).finally(runUserRequest); |
| 291 | + } |
| 292 | + |
| 293 | + Object.defineProperty(patchedMethod, 'length', { |
| 294 | + value: originalMethod.length, |
| 295 | + writable: false, |
| 296 | + }); |
| 297 | + |
| 298 | + return patchedMethod; |
| 299 | + }; |
| 300 | + } |
| 301 | + |
| 302 | + private _patchCallbackQuery(endSpan: Function) { |
| 303 | + return (originalCallback: Function) => { |
| 304 | + return function (this: any, err: Error | undefined | null, rowCount?: number, rows?: any) { |
| 305 | + endSpan(err); |
| 306 | + return originalCallback.apply(this, arguments); |
| 307 | + }; |
| 308 | + }; |
| 309 | + } |
| 310 | +} |
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