Java HTTP Port Find getPrometheusMetrics(int metricsPort)

Description

get Prometheus Metrics

License

Apache License

Declaration

public static String getPrometheusMetrics(int metricsPort) throws IOException 

Method Source Code

//package com.java2s;
/**//  w  w w  .  j a  v  a2s .c o  m
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.
 */

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.URL;

public class Main {
    public static String getPrometheusMetrics(int metricsPort) throws IOException {
        StringBuilder result = new StringBuilder();
        URL url = new URL(String.format("http://%s:%s", InetAddress.getLocalHost().getHostAddress(), metricsPort));
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String line;
        while ((line = rd.readLine()) != null) {
            result.append(line + System.lineSeparator());
        }
        rd.close();
        return result.toString();
    }
}

Related

1. getPort(String endpoint)
2. getPort(String hostAndPort)
3. getPortInRange(int minPort, int maxPort)
4. getPorts(int count)
5. getPorts(int number, int MIN_PORT_NUMBER, int MAX_PORT_NUMBER)
6. getRandomAvailablePort()
7. getRandomFreePort()
8. getRandomFreePort()
9. getRandomOpenPort()