/
zap_logger.go
75 lines (63 loc) · 1.69 KB
/
zap_logger.go
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package log
import (
"fmt"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
type zapLogger struct {
*zap.SugaredLogger
}
// With returns a new field logger which will log provided fields.
// Fields are specified as: f1, v1, f2, v2
func (l *zapLogger) With(args ...interface{}) Logger {
return &zapLogger{
l.SugaredLogger.With(args...),
}
}
// WithAlert returns a new alert logger which will log the
// priority and type of alert.
func (l *zapLogger) WithAlert(alert Alert) Logger {
return &zapLogger{
l.SugaredLogger.With(
"priority", alert.Priority(),
"alert", alert.String()),
}
}
// Write() will log the content provided at the Info level.
func (l *zapLogger) Write(p []byte) (n int, err error) {
l.Infow(string(p))
return len(p), nil
}
// NewZapLogger returns a new instance of *zap.SugaredLogger
// which implements the Logger interface.
func NewZapLogger(config *Config) (Logger, error) {
var zapCfg zap.Config
switch config.Environment {
case "local":
zapCfg = zap.NewDevelopmentConfig()
zapCfg.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
case "dev":
fallthrough
case "development":
zapCfg = zap.NewDevelopmentConfig()
case "prod":
fallthrough
case "production":
zapCfg = zap.NewProductionConfig()
zapCfg.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
case "no-op":
zapCfg = zap.NewProductionConfig()
zapCfg.OutputPaths = []string{} // See https://pkg.go.dev/go.uber.org/zap#Open
default:
return nil, fmt.Errorf("invalid logger environment: valid values are dev/development/prod/production")
}
zl, err := zapCfg.Build()
if err != nil {
return nil, err
}
logger := &zapLogger{
zl.Sugar(),
}
logger.Sync()
return logger, nil
}