Google StackDriver：如何将其他日志与跟踪日志关联（并嵌套）？

Question

请帮忙，我已经三天没有成功了：/

我正在为Google Cloud Run部署一些服务，并希望在请求通过服务时跟踪请求并将日志与这些请求关联起来。StackDriver在“StackDriver跟踪”中提供了一个很好的平台。我在用谷歌。云我的asp中的诊断库。net核心web api。我能够成功地跟踪请求，启动跨度，并在StackDriver跟踪时间线中查看嵌套在跟踪中的跨度。然而，如何让我的日志与轨迹和跨度相关联，这让我很困惑？

StackDriver文档声明，将“特殊字段”写入LogEntry对象将被日志API识别：

Special fields in structured payloads

When the Logging agent receives a structured log record, it treats the following fields specially, allowing you to set specific fields in the LogEntry object that get written to the Logging API.

All (special fields) are stripped from the payload if present.

它特别说明了跟踪字段：

The value of this field should be formatted as projects/[PROJECT-ID]/traces/[TRACE-ID], so it can be used by the Logs Viewer and the Trace Viewer to group log entries and display them in line with traces. 

来源：https://cloud.google.com/logging/docs/agent/configuration#special-fields

我对结构化JSON尝试了许多不同的方法，但Stackdriver跟踪视图无法识别我的日志并将其嵌套在请求跟踪中。目前，我正在JSON中包含trace和spanId。

以下是我的一个日志，StackDriver跟踪不会嵌套在跟踪中：

{
 insertId: "5da6c3a200j0923bx23x2"  
 jsonPayload: {
  ConnectionId: "0HLQI121N94JM"   
  CorrelationId: null   
  RequestId: "0HLQI121N94JM:00000001"   
  RequestPath: "/graphql"   
  message: "Getting Collection of type: FakeItem in GetCollectionOfItemsAsync"   
  messageTemplate: "Getting Collection of type: FakeItem in GetCollectionOfItemsAsync"   
  spanId: "4560986706170855936"   
  timestamp: "2019-10-16T07:15:46.8713740Z"   
  trace: "projects/myProject/traces/04b4a840df0289bb9fddcd62235d3ee4"   
 }
 labels: {
  instanceId: "00bf4bf02d34e072dc1c49x8dj943x4b5609mubm0409u566ad08acf6283d2b5135651fd8f2633e7b06e7dde4b96cfddbf5373a642da0b65fb21cf87a5aad"   
 }
 logName: "projects/myProject/logs/run.googleapis.com%2Fstdout"  
 receiveTimestamp: "2019-10-16T07:15:47.113845061Z"  
 resource: {
  labels: {
   configuration_name: "baseproject-graphql"    
   location: "us-central1"    
   project_id: "myProject"    
   revision_name: "baseproject-graphql-vhglp"    
   service_name: "baseproject-graphql"    
  }
  type: "cloud_run_revision"   
 }
 timestamp: "2019-10-16T07:15:46.871489Z"  
}

以下是gcp生成的日志，它确实得到了识别：

{
 httpRequest: {
  latency: "0.026068056s"   
  protocol: "HTTP/1.1"   
  remoteIp: "73.158.189.48"   
  requestMethod: "POST"   
  requestSize: "1950"   
  requestUrl: "https://baseproject-api.myUrl.com/graphql"   
  responseSize: "2768"   
  serverIp: "152.289.4.125"   
  status: 200   
  userAgent: "PostmanRuntime/7.18.0"   
 }
 insertId: "5da6c3a8j90kjo9db8346"  
 labels: {
  instanceId: "00bf4bf02d34e072dc1cfda1073f2f5ec6888d75e1d75f26259006ad08acf6283d2b5135651fd8f26398n9hu0h9h09gm08g76f67f567fb21cf87a5aad"   
 }
 logName: "projects/myProject/logs/run.googleapis.com%2Frequests"  
 receiveTimestamp: "2019-10-16T07:15:47.207098181Z"  
 resource: {
  labels: {
   configuration_name: "baseproject-graphql"    
   location: "us-central1"    
   project_id: "myProject"    
   revision_name: "baseproject-graphql-vhglp"    
   service_name: "baseproject-graphql"    
  }
  type: "cloud_run_revision"   
 }
 severity: "INFO"  
 timestamp: "2019-10-16T07:15:46.877387Z"  
 trace: "projects/myProject/traces/04b4a840df0289bb9fddcd62235d3ee4"  
}

有什么想法吗？？？

Answer 1

为了将日志与云运行请求日志相关联，需要填充属性日志。googleapis。com/trace，Cloud Run将其用作Stackdriver日志记录的跟踪属性。

您可以在Cloud Run日志文档中阅读更多详细信息，并查看结构化日志记录Node.js示例。

示例中的相关代码片段：

const traceHeader = req.header('X-Cloud-Trace-Context');
if (traceHeader && project) {
  const [trace] = traceHeader.split('/');
  globalLogFields[
    'logging.googleapis.com/trace'
  ] = `projects/${project}/traces/${trace}`;
}

其中，作为代码的一部分，“globallofields”对象与每个日志条目的对象合并。