istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/collateral/metrics/otel.go (about) 1 // Copyright 2019 Istio Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package metrics 16 17 import ( 18 "strings" 19 20 "istio.io/istio/pkg/monitoring" 21 "istio.io/istio/pkg/slices" 22 ) 23 24 var charReplacer = strings.NewReplacer("/", "_", ".", "_", " ", "_", "-", "") 25 26 func promName(metricName string) string { 27 s := strings.TrimPrefix(metricName, "/") 28 return charReplacer.Replace(s) 29 } 30 31 func ExportedMetrics() []monitoring.MetricDefinition { 32 return slices.Map(monitoring.ExportMetricDefinitions(), func(e monitoring.MetricDefinition) monitoring.MetricDefinition { 33 e.Name = promName(e.Name) 34 return e 35 }) 36 }