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Add prometheus server to go enforcer
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| @@ -0,0 +1,43 @@ | ||
| /* | ||
| * Copyright (c) 2024, WSO2 LLC. (https://www.wso2.com) | ||
| * | ||
| * WSO2 LLC. licenses this file to you 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. | ||
| */ | ||
|
|
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| // Package metrics holds the implementation for exposing adapter metrics to prometheus | ||
| package metrics | ||
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|
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| import ( | ||
| "fmt" | ||
| "net/http" | ||
| "strconv" | ||
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| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/prometheus/client_golang/prometheus/promhttp" | ||
| metrics "github.com/wso2/apk/common-go-libs/pkg/metrics" | ||
| ) | ||
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| // StartPrometheusMetricsServer initializes and starts the metrics server to expose metrics to prometheus. | ||
| func StartPrometheusMetricsServer(port int32) { | ||
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| collector := metrics.CustomMetricsCollector() | ||
| prometheus.MustRegister(collector) | ||
| http.Handle("/metrics", promhttp.Handler()) | ||
| err := http.ListenAndServe(":"+strconv.Itoa(int(port)), nil) | ||
| fmt.Println("Metrics server started on port " + strconv.Itoa(int(port))) | ||
| if err != nil { | ||
| fmt.Println("Error starting the metrics server") | ||
| } | ||
| } |