mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-14 10:13:10 +02:00
fdfc821bac
Comment should be complete sentences outside of lists with sentence fragments. This adds the godot linter to check these complete sentences end with punctuation. If they do not, running fix will append a period.
51 lines
1.6 KiB
Go
51 lines
1.6 KiB
Go
// Copyright The 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 prometheus // import "go.opentelemetry.io/otel/exporters/prometheus"
|
|
|
|
import (
|
|
"strings"
|
|
"unicode"
|
|
)
|
|
|
|
// TODO(paivagustavo): we should provide a more uniform and controlled way of sanitizing.
|
|
// Letting users define wether we should try or not to sanitize metric names.
|
|
// This is a copy of sdk/internal/sanitize.go
|
|
|
|
// sanitize returns a string that is truncated to 100 characters if it's too
|
|
// long, and replaces non-alphanumeric characters to underscores.
|
|
func sanitize(s string) string {
|
|
if len(s) == 0 {
|
|
return s
|
|
}
|
|
// TODO(paivagustavo): change this to use a bytes buffer to avoid a large number of string allocations.
|
|
s = strings.Map(sanitizeRune, s)
|
|
if unicode.IsDigit(rune(s[0])) {
|
|
s = "key_" + s
|
|
}
|
|
if s[0] == '_' {
|
|
s = "key" + s
|
|
}
|
|
return s
|
|
}
|
|
|
|
// converts anything that is not a letter or digit to an underscore.
|
|
func sanitizeRune(r rune) rune {
|
|
if unicode.IsLetter(r) || unicode.IsDigit(r) {
|
|
return r
|
|
}
|
|
// Everything else turns into an underscore
|
|
return '_'
|
|
}
|