Github user pvillard31 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2430#discussion_r174315907
--- Diff:
nifi-nar-bundles/nifi-site-to-site-reporting-bundle/nifi-site-to-site-reporting-task/src/main/java/org/apache/nifi/reporting/SiteToSiteMetricsReportingTask.java
---
@@ -0,0 +1,212 @@
+/*
+ * 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.nifi.reporting;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.management.ManagementFactory;
+import java.lang.management.OperatingSystemMXBean;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+import javax.json.Json;
+import javax.json.JsonBuilderFactory;
+import javax.json.JsonObject;
+
+import org.apache.avro.Schema;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.avro.AvroTypeUtil;
+import org.apache.nifi.components.AllowableValue;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.components.ValidationContext;
+import org.apache.nifi.components.ValidationResult;
+import org.apache.nifi.components.Validator;
+import org.apache.nifi.controller.status.ProcessGroupStatus;
+import org.apache.nifi.flowfile.attributes.CoreAttributes;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.remote.Transaction;
+import org.apache.nifi.remote.TransferDirection;
+import org.apache.nifi.reporting.util.metrics.MetricNames;
+import org.apache.nifi.reporting.util.metrics.MetricsService;
+import org.apache.nifi.reporting.util.metrics.api.MetricsBuilder;
+
+import com.yammer.metrics.core.VirtualMachineMetrics;
+
+@Tags({"status", "metrics", "site", "site to site"})
+@CapabilityDescription("Publishes same metrics as the Ambari Reporting
task using the Site To Site protocol.")
+public class SiteToSiteMetricsReportingTask extends
AbstractSiteToSiteReportingTask {
+
+ static final AllowableValue AMBARI_FORMAT = new
AllowableValue("ambari-format", "Ambari Format", "Metrics will be formatted"
+ + " according to the Ambari Metrics API. See Additional
Details in Usage documentation.");
+ static final AllowableValue RECORD_FORMAT = new
AllowableValue("record-format", "Record Format", "Metrics will be formatted"
+ + " using the Record Writer property of this reporting task.
See Additional Details in Usage documentation to"
+ + " have the description of the default schema.");
+
+ static final PropertyDescriptor APPLICATION_ID = new
PropertyDescriptor.Builder()
+ .name("s2s-metrics-application-id")
+ .displayName("Application ID")
+ .description("The Application ID to be included in the
metrics")
+ .required(true)
+ .expressionLanguageSupported(true)
+ .defaultValue("nifi")
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .build();
+
+ static final PropertyDescriptor HOSTNAME = new
PropertyDescriptor.Builder()
+ .name("s2s-metrics-hostname")
+ .displayName("Hostname")
+ .description("The Hostname of this NiFi instance to be
included in the metrics")
+ .required(true)
+ .expressionLanguageSupported(true)
+ .defaultValue("${hostname(true)}")
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .build();
+
+ static final PropertyDescriptor FORMAT = new
PropertyDescriptor.Builder()
+ .name("s2s-metrics-format")
+ .displayName("Output format")
+ .description("The output format that will be used for the
metrics")
--- End diff --
done
---
