youtubebeat/vendor/github.com/elastic/beats/libbeat/logp/level.go

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2018-11-18 11:08:38 +01:00
// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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 logp
import (
"fmt"
"strings"
"github.com/pkg/errors"
"go.uber.org/zap/zapcore"
)
// Level is a logging priority. Higher levels are more important.
type Level int8
// Logging levels.
const (
DebugLevel Level = iota - 1
InfoLevel
WarnLevel
ErrorLevel
CriticalLevel // Critical exists only for config backward compatibility.
)
var levelStrings = map[Level]string{
DebugLevel: "debug",
InfoLevel: "info",
WarnLevel: "warning",
ErrorLevel: "error",
CriticalLevel: "critical",
}
var zapLevels = map[Level]zapcore.Level{
DebugLevel: zapcore.DebugLevel,
InfoLevel: zapcore.InfoLevel,
WarnLevel: zapcore.WarnLevel,
ErrorLevel: zapcore.ErrorLevel,
CriticalLevel: zapcore.ErrorLevel,
}
// String returns the name of the logging level.
func (l Level) String() string {
s, found := levelStrings[l]
if found {
return s
}
return fmt.Sprintf("Level(%d)", l)
}
// Enabled returns true if given level is enabled.
func (l Level) Enabled(level Level) bool {
return level >= l
}
// Unpack unmarshals a level string to a Level. This implements
// ucfg.StringUnpacker.
func (l *Level) Unpack(str string) error {
str = strings.ToLower(str)
for level, name := range levelStrings {
if name == str {
*l = level
return nil
}
}
return errors.Errorf("invalid level '%v'", str)
}
func (l Level) zapLevel() zapcore.Level {
z, found := zapLevels[l]
if found {
return z
}
return zapcore.InfoLevel
}