Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/6184#discussion_r200122904
--- Diff:
flink-metrics/flink-metrics-prometheus/src/main/java/org/apache/flink/metrics/prometheus/PrometheusPushGatewayReporter.java
---
@@ -0,0 +1,94 @@
+/*
+ * 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.
+ */
+
+package org.apache.flink.metrics.prometheus;
+
+import org.apache.flink.annotation.PublicEvolving;
+import org.apache.flink.metrics.Metric;
+import org.apache.flink.metrics.MetricConfig;
+import org.apache.flink.metrics.reporter.MetricReporter;
+import org.apache.flink.metrics.reporter.Scheduled;
+import org.apache.flink.util.AbstractID;
+
+import io.prometheus.client.CollectorRegistry;
+import io.prometheus.client.exporter.PushGateway;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+
+/**
+ * /**
+ * {@link MetricReporter} that exports {@link Metric Metrics} via
Prometheus Pushgateway.
+ */
+@PublicEvolving
+public class PrometheusPushGatewayReporter extends
AbstractPrometheusReporter implements Scheduled {
+ private final Logger log =
LoggerFactory.getLogger(PrometheusPushGatewayReporter.class);
+
+ public static final String ARG_HOST = "host";
+ public static final String ARG_PORT = "port";
+ public static final String ARG_JOB_NAME_PREFIX = "prefix";
+
+ public static final char JOB_NAME_SEPARATOR = '-';
+ public static final String DEFAULT_JOB_NAME_PREFIX = "flink";
+
+ private PushGateway pushGateway;
+ private String jobName;
+
+ @Override
+ public void open(MetricConfig config) {
+
+ // reporter configs
+ String host = config.getString(ARG_HOST, null);
+ int port = config.getInteger(ARG_PORT, -1);
+ String jobNamePrefix = config.getString(ARG_JOB_NAME_PREFIX,
DEFAULT_JOB_NAME_PREFIX);
+
+ // host port
+ if (host == null || host.length() == 0 || port < 1) {
+ throw new IllegalArgumentException("Invalid host/port
configuration. Host: " + host + " Port: " + port);
+ }
+
+ // jobname
--- End diff --
remove comment, adds no value
---
