mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-30 08:50:20 +00:00
196 lines
6.3 KiB
Go
196 lines
6.3 KiB
Go
/*
|
|
*
|
|
* Copyright 2017 gRPC 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 (
|
|
"io"
|
|
"io/ioutil"
|
|
"log"
|
|
"os"
|
|
"strconv"
|
|
)
|
|
|
|
// LoggerV2 does underlying logging work for grpclog.
|
|
type LoggerV2 interface {
|
|
// Info logs to INFO log. Arguments are handled in the manner of fmt.Print.
|
|
Info(args ...interface{})
|
|
// Infoln logs to INFO log. Arguments are handled in the manner of fmt.Println.
|
|
Infoln(args ...interface{})
|
|
// Infof logs to INFO log. Arguments are handled in the manner of fmt.Printf.
|
|
Infof(format string, args ...interface{})
|
|
// Warning logs to WARNING log. Arguments are handled in the manner of fmt.Print.
|
|
Warning(args ...interface{})
|
|
// Warningln logs to WARNING log. Arguments are handled in the manner of fmt.Println.
|
|
Warningln(args ...interface{})
|
|
// Warningf logs to WARNING log. Arguments are handled in the manner of fmt.Printf.
|
|
Warningf(format string, args ...interface{})
|
|
// Error logs to ERROR log. Arguments are handled in the manner of fmt.Print.
|
|
Error(args ...interface{})
|
|
// Errorln logs to ERROR log. Arguments are handled in the manner of fmt.Println.
|
|
Errorln(args ...interface{})
|
|
// Errorf logs to ERROR log. Arguments are handled in the manner of fmt.Printf.
|
|
Errorf(format string, args ...interface{})
|
|
// Fatal logs to ERROR log. Arguments are handled in the manner of fmt.Print.
|
|
// gRPC ensures that all Fatal logs will exit with os.Exit(1).
|
|
// Implementations may also call os.Exit() with a non-zero exit code.
|
|
Fatal(args ...interface{})
|
|
// Fatalln logs to ERROR log. Arguments are handled in the manner of fmt.Println.
|
|
// gRPC ensures that all Fatal logs will exit with os.Exit(1).
|
|
// Implementations may also call os.Exit() with a non-zero exit code.
|
|
Fatalln(args ...interface{})
|
|
// Fatalf logs to ERROR log. Arguments are handled in the manner of fmt.Printf.
|
|
// gRPC ensures that all Fatal logs will exit with os.Exit(1).
|
|
// Implementations may also call os.Exit() with a non-zero exit code.
|
|
Fatalf(format string, args ...interface{})
|
|
// V reports whether verbosity level l is at least the requested verbose level.
|
|
V(l int) bool
|
|
}
|
|
|
|
// SetLoggerV2 sets logger that is used in grpc to a V2 logger.
|
|
// Not mutex-protected, should be called before any gRPC functions.
|
|
func SetLoggerV2(l LoggerV2) {
|
|
logger = l
|
|
}
|
|
|
|
const (
|
|
// infoLog indicates Info severity.
|
|
infoLog int = iota
|
|
// warningLog indicates Warning severity.
|
|
warningLog
|
|
// errorLog indicates Error severity.
|
|
errorLog
|
|
// fatalLog indicates Fatal severity.
|
|
fatalLog
|
|
)
|
|
|
|
// severityName contains the string representation of each severity.
|
|
var severityName = []string{
|
|
infoLog: "INFO",
|
|
warningLog: "WARNING",
|
|
errorLog: "ERROR",
|
|
fatalLog: "FATAL",
|
|
}
|
|
|
|
// loggerT is the default logger used by grpclog.
|
|
type loggerT struct {
|
|
m []*log.Logger
|
|
v int
|
|
}
|
|
|
|
// NewLoggerV2 creates a loggerV2 with the provided writers.
|
|
// Fatal logs will be written to errorW, warningW, infoW, followed by exit(1).
|
|
// Error logs will be written to errorW, warningW and infoW.
|
|
// Warning logs will be written to warningW and infoW.
|
|
// Info logs will be written to infoW.
|
|
func NewLoggerV2(infoW, warningW, errorW io.Writer) LoggerV2 {
|
|
return NewLoggerV2WithVerbosity(infoW, warningW, errorW, 0)
|
|
}
|
|
|
|
// NewLoggerV2WithVerbosity creates a loggerV2 with the provided writers and
|
|
// verbosity level.
|
|
func NewLoggerV2WithVerbosity(infoW, warningW, errorW io.Writer, v int) LoggerV2 {
|
|
var m []*log.Logger
|
|
m = append(m, log.New(infoW, severityName[infoLog]+": ", log.LstdFlags))
|
|
m = append(m, log.New(io.MultiWriter(infoW, warningW), severityName[warningLog]+": ", log.LstdFlags))
|
|
ew := io.MultiWriter(infoW, warningW, errorW) // ew will be used for error and fatal.
|
|
m = append(m, log.New(ew, severityName[errorLog]+": ", log.LstdFlags))
|
|
m = append(m, log.New(ew, severityName[fatalLog]+": ", log.LstdFlags))
|
|
return &loggerT{m: m, v: v}
|
|
}
|
|
|
|
// newLoggerV2 creates a loggerV2 to be used as default logger.
|
|
// All logs are written to stderr.
|
|
func newLoggerV2() LoggerV2 {
|
|
errorW := ioutil.Discard
|
|
warningW := ioutil.Discard
|
|
infoW := ioutil.Discard
|
|
|
|
logLevel := os.Getenv("GRPC_GO_LOG_SEVERITY_LEVEL")
|
|
switch logLevel {
|
|
case "", "ERROR", "error": // If env is unset, set level to ERROR.
|
|
errorW = os.Stderr
|
|
case "WARNING", "warning":
|
|
warningW = os.Stderr
|
|
case "INFO", "info":
|
|
infoW = os.Stderr
|
|
}
|
|
|
|
var v int
|
|
vLevel := os.Getenv("GRPC_GO_LOG_VERBOSITY_LEVEL")
|
|
if vl, err := strconv.Atoi(vLevel); err == nil {
|
|
v = vl
|
|
}
|
|
return NewLoggerV2WithVerbosity(infoW, warningW, errorW, v)
|
|
}
|
|
|
|
func (g *loggerT) Info(args ...interface{}) {
|
|
g.m[infoLog].Print(args...)
|
|
}
|
|
|
|
func (g *loggerT) Infoln(args ...interface{}) {
|
|
g.m[infoLog].Println(args...)
|
|
}
|
|
|
|
func (g *loggerT) Infof(format string, args ...interface{}) {
|
|
g.m[infoLog].Printf(format, args...)
|
|
}
|
|
|
|
func (g *loggerT) Warning(args ...interface{}) {
|
|
g.m[warningLog].Print(args...)
|
|
}
|
|
|
|
func (g *loggerT) Warningln(args ...interface{}) {
|
|
g.m[warningLog].Println(args...)
|
|
}
|
|
|
|
func (g *loggerT) Warningf(format string, args ...interface{}) {
|
|
g.m[warningLog].Printf(format, args...)
|
|
}
|
|
|
|
func (g *loggerT) Error(args ...interface{}) {
|
|
g.m[errorLog].Print(args...)
|
|
}
|
|
|
|
func (g *loggerT) Errorln(args ...interface{}) {
|
|
g.m[errorLog].Println(args...)
|
|
}
|
|
|
|
func (g *loggerT) Errorf(format string, args ...interface{}) {
|
|
g.m[errorLog].Printf(format, args...)
|
|
}
|
|
|
|
func (g *loggerT) Fatal(args ...interface{}) {
|
|
g.m[fatalLog].Fatal(args...)
|
|
// No need to call os.Exit() again because log.Logger.Fatal() calls os.Exit().
|
|
}
|
|
|
|
func (g *loggerT) Fatalln(args ...interface{}) {
|
|
g.m[fatalLog].Fatalln(args...)
|
|
// No need to call os.Exit() again because log.Logger.Fatal() calls os.Exit().
|
|
}
|
|
|
|
func (g *loggerT) Fatalf(format string, args ...interface{}) {
|
|
g.m[fatalLog].Fatalf(format, args...)
|
|
// No need to call os.Exit() again because log.Logger.Fatal() calls os.Exit().
|
|
}
|
|
|
|
func (g *loggerT) V(l int) bool {
|
|
return l <= g.v
|
|
}
|