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telemetry.go
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telemetry.go
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// Copyright 2019, OpenTelemetry 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 telemetry controls the telemetry settings to be used in the collector.
package telemetry
import (
"fmt"
"strings"
)
const (
// None indicates that no telemetry data should be collected.
None Level = iota - 1
// Basic is the default and covers the basics of the service telemetry.
Basic
// Normal adds some other indicators on top of basic.
Normal
// Detailed adds dimensions and views to the previous levels.
Detailed
)
// Level of telemetry data to be generated.
type Level int8
// ParseLevel returns the Level represented by the string. The parsing is case-insensitive
// and it returns error if the string value is unknown.
func ParseLevel(s string) (Level, error) {
var level Level
str := strings.ToLower(s)
switch str {
case "none":
level = None
case "", "basic":
level = Basic
case "normal":
level = Normal
case "detailed":
level = Detailed
default:
return level, fmt.Errorf("unknown metrics level %q", str)
}
return level, nil
}