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* Refactors metrics * Changes ci workflow to java 11 * Changes metrics endpoint from /metrics to / * Revert "Changes metrics endpoint from /metrics to /" This reverts commit c23defc.
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103 changes: 103 additions & 0 deletions
103
src/main/java/com/teragrep/rlp_11/metrics/HttpReport.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| /* | ||
| * RELP Commit Latency Probe RLP-11 | ||
| * Copyright (C) 2024 Suomen Kanuuna Oy | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
| * | ||
| * | ||
| * Additional permission under GNU Affero General Public License version 3 | ||
| * section 7 | ||
| * | ||
| * If you modify this Program, or any covered work, by linking or combining it | ||
| * with other code, such other code is not for that reason alone subject to any | ||
| * of the requirements of the GNU Affero GPL version 3 as long as this Program | ||
| * is the same Program as licensed from Suomen Kanuuna Oy without any additional | ||
| * modifications. | ||
| * | ||
| * Supplemented terms under GNU Affero General Public License version 3 | ||
| * section 7 | ||
| * | ||
| * Origin of the software must be attributed to Suomen Kanuuna Oy. Any modified | ||
| * versions must be marked as "Modified version of" The Program. | ||
| * | ||
| * Names of the licensors and authors may not be used for publicity purposes. | ||
| * | ||
| * No rights are granted for use of trade names, trademarks, or service marks | ||
| * which are in The Program if any. | ||
| * | ||
| * Licensee must indemnify licensors and authors for any liability that these | ||
| * contractual assumptions impose on licensors and authors. | ||
| * | ||
| * To the extent this program is licensed as part of the Commercial versions of | ||
| * Teragrep, the applicable Commercial License may apply to this file if you as | ||
| * a licensee so wish it. | ||
| */ | ||
| package com.teragrep.rlp_11.metrics; | ||
|
|
||
| import com.codahale.metrics.MetricRegistry; | ||
| import io.prometheus.client.CollectorRegistry; | ||
| import io.prometheus.client.dropwizard.DropwizardExports; | ||
| import io.prometheus.client.exporter.MetricsServlet; | ||
| import org.eclipse.jetty.server.Server; | ||
| import org.eclipse.jetty.servlet.ServletContextHandler; | ||
| import org.eclipse.jetty.servlet.ServletHolder; | ||
|
|
||
| import java.io.IOException; | ||
|
|
||
| public class HttpReport implements Report { | ||
|
|
||
| private final Server jettyServer; | ||
| private final MetricRegistry metricRegistry; | ||
|
|
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| public HttpReport(final MetricRegistry metricRegistry, final int prometheusPort) { | ||
| this.metricRegistry = metricRegistry; | ||
| jettyServer = new Server(prometheusPort); | ||
| } | ||
|
|
||
| @Override | ||
| public void start() { | ||
| // prometheus-exporter | ||
| CollectorRegistry.defaultRegistry.register(new DropwizardExports(metricRegistry)); | ||
|
|
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| final ServletContextHandler context = new ServletContextHandler(); | ||
| context.setContextPath("/"); | ||
| jettyServer.setHandler(context); | ||
|
|
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| final MetricsServlet metricsServlet = new MetricsServlet(); | ||
| final ServletHolder servletHolder = new ServletHolder(metricsServlet); | ||
| context.addServlet(servletHolder, "/metrics"); | ||
|
|
||
| // Start the webserver. | ||
| try { | ||
| jettyServer.start(); | ||
| } | ||
| //CHECKSTYLE:OFF | ||
| catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| //CHECKSTYLE:ON | ||
| } | ||
|
|
||
| @Override | ||
| public void close() throws IOException { | ||
| try { | ||
| jettyServer.stop(); | ||
| } | ||
| //CHECKSTYLE:OFF | ||
| catch (Exception e) { | ||
| throw new IOException(e); | ||
| } | ||
| //CHECKSTYLE:ON | ||
| } | ||
| } |
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