// Copyright 2024 The Prometheus 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 validations import ( "fmt" "reflect" dto "github.com/prometheus/client_model/go" ) // LintDuplicateMetric detects duplicate metric. func LintDuplicateMetric(mf *dto.MetricFamily) []error { var problems []error for i, m := range mf.Metric { for _, k := range mf.Metric[i+1:] { if reflect.DeepEqual(m.Label, k.Label) { problems = append(problems, fmt.Errorf("metric not unique")) break } } } return problems }