104 lines
2.6 KiB
Go
104 lines
2.6 KiB
Go
package logging
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import (
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"fmt"
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"github.com/hashicorp/go-hclog"
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)
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// GRPCLogger wrapps a hclog.Logger and implements the grpclog.LoggerV2 interface
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// allowing gRPC servers to log to the standard Consul logger.
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type GRPCLogger struct {
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level string
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logger hclog.Logger
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}
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// NewGRPCLogger creates a grpclog.LoggerV2 that will output to the supplied
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// logger with Severity/Verbosity level appropriate for the given config.
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//
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// Note that grpclog has Info, Warning, Error, Fatal severity levels AND integer
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// verbosity levels for additional info. Verbose logs in hclog are always DEBUG
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// severity so we map Info,V0 to INFO, Info,V1 to DEBUG, and Info,V>1 to TRACE.
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func NewGRPCLogger(logLevel string, logger hclog.Logger) *GRPCLogger {
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return &GRPCLogger{
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level: logLevel,
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logger: logger,
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}
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}
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// Info implements grpclog.LoggerV2
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func (g *GRPCLogger) Info(args ...interface{}) {
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// gRPC's INFO level is more akin to Consul's TRACE level
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g.logger.Trace(fmt.Sprint(args...))
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}
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// Infoln implements grpclog.LoggerV2
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func (g *GRPCLogger) Infoln(args ...interface{}) {
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g.Info(fmt.Sprint(args...))
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}
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// Infof implements grpclog.LoggerV2
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func (g *GRPCLogger) Infof(format string, args ...interface{}) {
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g.Info(fmt.Sprintf(format, args...))
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}
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// Warning implements grpclog.LoggerV2
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func (g *GRPCLogger) Warning(args ...interface{}) {
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g.logger.Warn(fmt.Sprint(args...))
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}
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// Warningln implements grpclog.LoggerV2
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func (g *GRPCLogger) Warningln(args ...interface{}) {
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g.Warning(fmt.Sprint(args...))
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}
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// Warningf implements grpclog.LoggerV2
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func (g *GRPCLogger) Warningf(format string, args ...interface{}) {
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g.Warning(fmt.Sprintf(format, args...))
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}
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// Error implements grpclog.LoggerV2
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func (g *GRPCLogger) Error(args ...interface{}) {
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g.logger.Error(fmt.Sprint(args...))
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}
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// Errorln implements grpclog.LoggerV2
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func (g *GRPCLogger) Errorln(args ...interface{}) {
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g.Error(fmt.Sprint(args...))
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}
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// Errorf implements grpclog.LoggerV2
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func (g *GRPCLogger) Errorf(format string, args ...interface{}) {
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g.Error(fmt.Sprintf(format, args...))
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}
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// Fatal implements grpclog.LoggerV2
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func (g *GRPCLogger) Fatal(args ...interface{}) {
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g.logger.Error(fmt.Sprint(args...))
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}
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// Fatalln implements grpclog.LoggerV2
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func (g *GRPCLogger) Fatalln(args ...interface{}) {
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g.Fatal(fmt.Sprint(args...))
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}
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// Fatalf implements grpclog.LoggerV2
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func (g *GRPCLogger) Fatalf(format string, args ...interface{}) {
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g.Fatal(fmt.Sprintf(format, args...))
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}
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// V implements grpclog.LoggerV2
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func (g *GRPCLogger) V(l int) bool {
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switch g.level {
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case "TRACE":
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// Enable ALL the verbosity!
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return true
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case "DEBUG":
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return l < 2
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case "INFO":
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return l < 1
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default:
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return false
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}
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}
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