Documentation
¶
Overview ¶
Package log provides logging mechanism for goma servers.
Example ¶
package main
import (
"context"
"go.opencensus.io/tag"
"go.uber.org/zap"
"go.chromium.org/goma/server/log"
)
func main() {
ctx := context.Background()
log.SetZapLogger(zap.NewExample())
logger := log.FromContext(ctx)
defer logger.Sync()
k, err := tag.NewKey("go.chromium.org/goma/server/log/example")
if err != nil {
logger.Fatal(err)
}
log.RegisterTagKey(k)
ctx, err = tag.New(ctx, tag.Insert(k, "trace_1"))
if err != nil {
logger.Fatal(err)
}
logger = log.FromContext(ctx)
logger.Info("info")
}
Output: {"level":"info","msg":"info","go.chromium.org/goma/server/log/example":"trace_1"}
Index ¶
Examples ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func GRPCUnaryServerInterceptor ¶
func GRPCUnaryServerInterceptor(opts ...grpczap.Option) grpc.UnaryServerInterceptor
GRPCUnaryServerInterceptor returns server interceptor to log grpc calls.
func NewContext ¶ added in v0.0.8
NewContext returns a new Context that carries logger.
func RegisterTagKey ¶
RegsiterTagKey registers tag key that would be used for log context.
func SetZapLogger ¶
SetZapLogger sets zap logger as default logger. Useful for test
log.SetZapLogger(zap.NewExample())
Types ¶
type Logger ¶
type Logger interface {
// Debug logs to DEBUG log. Arguments are handled in the manner of fmt.Print.
Debug(args ...interface{})
// Debugf logs to DEBUG log. Arguments are handled in the manner of fmt.Printf.
Debugf(format string, arg ...interface{})
// Info logs to INFO log. Arguments are handled in the manner of fmt.Print.
Info(args ...interface{})
// Infof logs to INFO log. Arguments are handled in the manner of fmt.Printf.
Infof(format string, arg ...interface{})
// Warn logs to WARNING log. Arguments are handled in the manner of fmt.Print.
Warn(args ...interface{})
// Warnf logs to WARNING log. Arguments are handled in the manner of fmt.Printf.
Warnf(format string, arg ...interface{})
// Error logs to ERROR log. Arguments are handled in the manner of fmt.Print.
Error(args ...interface{})
// Errorf logs to ERROR log. Arguments are handled in the manner of fmt.Printf.
Errorf(format string, arg ...interface{})
// Fatal logs to CRITICAL log. Arguments are handled in te manner of fmt.Print.
Fatal(args ...interface{})
// Fatalf logs to CRITICAL log. Arguments are handled in the manner of fmt.Printf.
Fatalf(format string, arg ...interface{})
// Sync flushes any buffered log entries.
Sync() error
}
Logger is logging interface.
func FromContext ¶
FromContext returns logger with context. opencensus's tag registered by RegisterTagKey and trace's span-id and trace-id will be added as context information of the log.
Source Files
Directories
¶
| Path | Synopsis |
|---|---|
|
Package errorreporter provides error reporting functionality.
|
Package errorreporter provides error reporting functionality. |
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