opentelemetry-collector/config/configtelemetry/configtelemetry.go

74 lines
1.7 KiB
Go

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package configtelemetry // import "go.opentelemetry.io/collector/config/configtelemetry"
import (
"errors"
"fmt"
"strings"
)
const (
// LevelNone indicates that no telemetry should be collected.
LevelNone Level = iota - 1
// LevelBasic indicates that only core Collector telemetry should be collected.
LevelBasic
// LevelNormal indicates that all low-overhead telemetry should be collected.
LevelNormal
// LevelDetailed indicates that all available telemetry should be collected.
LevelDetailed
levelNoneStr = "None"
levelBasicStr = "Basic"
levelNormalStr = "Normal"
levelDetailedStr = "Detailed"
)
// Level is the level of internal telemetry (metrics, logs, traces about the component itself)
// that every component should generate.
type Level int32
func (l Level) String() string {
switch l {
case LevelNone:
return levelNoneStr
case LevelBasic:
return levelBasicStr
case LevelNormal:
return levelNormalStr
case LevelDetailed:
return levelDetailedStr
}
return ""
}
// MarshalText marshals Level to text.
func (l Level) MarshalText() (text []byte, err error) {
return []byte(l.String()), nil
}
// UnmarshalText unmarshalls text to a Level.
func (l *Level) UnmarshalText(text []byte) error {
if l == nil {
return errors.New("cannot unmarshal to a nil *Level")
}
str := strings.ToLower(string(text))
switch str {
case strings.ToLower(levelNoneStr):
*l = LevelNone
return nil
case strings.ToLower(levelBasicStr):
*l = LevelBasic
return nil
case strings.ToLower(levelNormalStr):
*l = LevelNormal
return nil
case strings.ToLower(levelDetailedStr):
*l = LevelDetailed
return nil
}
return fmt.Errorf("unknown metrics level %q", str)
}