Source file src/github.com/grpc-ecosystem/go-grpc-middleware/logging/kit/ctxkit/examples_test.go

Documentation: github.com/grpc-ecosystem/go-grpc-middleware/logging/kit/ctxkit

     1  package ctxkit_test
     2  
     3  import (
     4  	"context"
     5  
     6  	"github.com/grpc-ecosystem/go-grpc-middleware/logging/kit/ctxkit"
     7  	grpc_ctxtags "github.com/grpc-ecosystem/go-grpc-middleware/tags"
     8  	pb_testproto "github.com/grpc-ecosystem/go-grpc-middleware/testing/testproto"
     9  )
    10  
    11  // Simple unary handler that adds custom fields to the requests's context. These will be used for all log statements.
    12  func ExampleExtract_unary() {
    13  	_ = func(ctx context.Context, ping *pb_testproto.PingRequest) (*pb_testproto.PingResponse, error) {
    14  		// Add fields the ctxtags of the request which will be added to all extracted loggers.
    15  		grpc_ctxtags.Extract(ctx).Set("custom_tags.string", "something").Set("custom_tags.int", 1337)
    16  
    17  		// Extract a single request-scoped log.Logger and log messages.
    18  		l := ctxkit.Extract(ctx)
    19  		l.Log("msg", "some ping")
    20  		l.Log("msg", "another ping")
    21  		return &pb_testproto.PingResponse{Value: ping.Value}, nil
    22  	}
    23  }
    24  

View as plain text