-
Notifications
You must be signed in to change notification settings - Fork 1.3k
/
logger.go
45 lines (41 loc) · 1.73 KB
/
logger.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package grpclog // import "go.opentelemetry.io/collector/service/internal/grpclog"
import (
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"go.uber.org/zap/zapgrpc"
"google.golang.org/grpc/grpclog"
)
// SetLogger constructs a zapgrpc.Logger instance, and installs it as grpc logger, cloned from baseLogger with
// exact configuration. The minimum level of gRPC logs is set to WARN should the loglevel of the collector is set to
// INFO to avoid copious logging from grpc framework.
func SetLogger(baseLogger *zap.Logger, loglevel zapcore.Level) *zapgrpc.Logger {
logger := zapgrpc.NewLogger(baseLogger.WithOptions(zap.WrapCore(func(core zapcore.Core) zapcore.Core {
var c zapcore.Core
var err error
if loglevel == zapcore.InfoLevel {
loglevel = zapcore.WarnLevel
}
// NewIncreaseLevelCore errors only if the new log level is less than the initial core level.
c, err = zapcore.NewIncreaseLevelCore(core, loglevel)
// In case of an error changing the level, move on, this happens when using the NopCore
if err != nil {
c = core
}
return c.With([]zapcore.Field{zap.Bool("grpc_log", true)})
})))
grpclog.SetLoggerV2(logger)
return logger
}