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Subject [GitHub] [nifi] markap14 commented on a change in pull request #3817: NIFI-6583: adding azure log analytics reporting task to nifi-azure-bu…
Date Tue, 22 Oct 2019 20:42:01 GMT
markap14 commented on a change in pull request #3817: NIFI-6583: adding azure log analytics
reporting task to nifi-azure-bu…
URL: https://github.com/apache/nifi/pull/3817#discussion_r337737455
 
 

 ##########
 File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-reporting-task/src/main/java/org/apache/nifi/reporting/azure/loganalytics/AzureLogAnalyticsReportingTask.java
 ##########
 @@ -0,0 +1,335 @@
+/*
+ * 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.azure.loganalytics;
+
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+import java.text.MessageFormat;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Pattern;
+
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+import javax.xml.bind.DatatypeConverter;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.nifi.annotation.configuration.DefaultSchedule;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.controller.status.ConnectionStatus;
+import org.apache.nifi.controller.status.ProcessGroupStatus;
+import org.apache.nifi.controller.status.ProcessorStatus;
+import org.apache.nifi.expression.ExpressionLanguageScope;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.reporting.AbstractReportingTask;
+import org.apache.nifi.reporting.ReportingContext;
+import org.apache.nifi.reporting.azure.loganalytics.api.AzureLogAnalyticsMetricsFactory;
+import org.apache.nifi.scheduling.SchedulingStrategy;
+import org.apache.nifi.annotation.lifecycle.OnScheduled;
+import org.apache.nifi.controller.ConfigurationContext;
+import org.apache.nifi.metrics.jvm.JmxJvmMetrics;
+import org.apache.nifi.metrics.jvm.JvmMetrics;
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+
+
+/**
+ * ReportingTask to send metrics from Apache NiFi and JVM to Azure Monitor.
+ */
+@Tags({"reporting", "loganalytics", "metrics"})
+@CapabilityDescription("Sends JVM-metrics as well as Apache NiFi-metrics to a Azure Log Analytics
workspace." +
+        "Apache NiFi-metrics can be either configured global or on process-group level.")
+@DefaultSchedule(strategy = SchedulingStrategy.TIMER_DRIVEN, period = "1 min")
+public class AzureLogAnalyticsReportingTask extends AbstractReportingTask {
+
+    private static final String JVM_JOB_NAME = "jvm_global";
+    private static final Charset            UTF8                = Charset.forName("UTF-8");
+    private static final String             HMAC_SHA256_ALG     = "HmacSHA256";
+    static final DateTimeFormatter   RFC_1123_DATE_TIME  = DateTimeFormatter.ofPattern("EEE,
dd MMM yyyy HH:mm:ss O");
+    private volatile JvmMetrics virtualMachineMetrics;
+
+
+    static final PropertyDescriptor LOG_ANALYTICS_WORKSPACE_ID = new PropertyDescriptor.Builder()
+            .name("Log Analytics Workspace Id")
+            .description("Log Analytics Workspace Id")
+            .required(true)
+            .expressionLanguageSupported(ExpressionLanguageScope.VARIABLE_REGISTRY)
+            .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+            .sensitive(true)
+            .build();
+    static final PropertyDescriptor LOG_ANALYTICS_CUSTOM_LOG_NAME = new PropertyDescriptor.Builder()
+            .name("Log Analytics Custom Log Name")
+            .description("Log Analytics Custom Log Name")
+            .required(false)
+            .defaultValue("nifimetrics")
+            .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+            .expressionLanguageSupported(ExpressionLanguageScope.VARIABLE_REGISTRY)
+            .build();
+    static final PropertyDescriptor LINUX_PRIMARY_KEY = new PropertyDescriptor.Builder()
+            .name("Linux Primary Key")
+            .description("Connected Sources - Linux Primary Key")
 
 Review comment:
   Can you elaborate a bit on the description? I'm not sure that I understand what this Property
is used for.

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