/**
* 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.ambari.view.slider.rest.client;
import org.junit.Assert;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class SliderAppMasterClientTest {
@Test
public void testSliderClientClassAvailability() {
SliderAppMasterClient client = new SliderAppMasterClient("http://tmpurl.org", null);
Map<String, Metric> metrics = new HashMap<String, Metric>();
Map<String, String> jmxProperties = new HashMap<String, String>();
Map<String, Map<String, Object>> categories = new HashMap<String, Map<String, Object>>();
metrics.put("metricAverageLoad",
new Metric("Hadoop:service=HBase,name=Master,sub=Server.averageLoad", true, false));
metrics.put("DeadRegionServers",
new Metric("Hadoop:service=HBase,name=Master,sub=Server.numDeadRegionServers", true, false));
metrics.put("ClusterId",
new Metric("Hadoop:service=HBase,name=Master,sub=Server.tag.clusterId", true, false));
metrics.put("IsActiveMaster",
new Metric("Hadoop:service=HBase,name=Master,sub=Server.tag.isActiveMaster", true, false));
metrics.put("peakUsageCommitted",
new Metric("java#lang:type=MemoryPool,name=Code Cache.PeakUsage.committed", true, false));
Map<String, Object> masterServer = new HashMap<String, Object>();
masterServer.put("averageLoad", "0.1");
masterServer.put("numDeadRegionServers", "1");
masterServer.put("tag.clusterId", "11");
categories.put("Hadoop:service=HBase,name=Master,sub=Server", masterServer);
Map<String, Object> memPool = new HashMap<String, Object>();
Map<String, Object> peakUsage = new HashMap<String, Object>();
peakUsage.put("committed", 354);
peakUsage.put("uncommitted", 356);
memPool.put("PeakUsage", peakUsage);
memPool.put("SomeOther", "other");
categories.put("java.lang:type=MemoryPool,name=Code Cache", memPool);
SliderAppJmxHelper.addJmxPropertiesFromBeans(jmxProperties, categories, metrics);
Assert.assertEquals(jmxProperties.size(), 4);
}
@Test
public void testMetricMatchers() throws Exception {
Metric m1 = new Metric("a_b.c", true, false);
Assert.assertEquals(m1.getJmxBeanKeyName(), "a_b");
List<List<String>> matchers = m1.getMatchers();
Assert.assertEquals(matchers.size(), 1);
Assert.assertEquals(matchers.get(0).size(), 1);
Assert.assertEquals(matchers.get(0).get(0), "c");
m1 = new Metric("a_b.c.d", true, false);
Assert.assertEquals(m1.getJmxBeanKeyName(), "a_b");
matchers = m1.getMatchers();
Assert.assertEquals(matchers.size(), 2);
Assert.assertEquals(matchers.get(0).size(), 2);
Assert.assertEquals(matchers.get(0).get(0), "c");
Assert.assertEquals(matchers.get(0).get(1), "d");
Assert.assertEquals(matchers.get(1).size(), 1);
Assert.assertEquals(matchers.get(1).get(0), "c.d");
m1 = new Metric("a_b.c.d.e", true, false);
Assert.assertEquals(m1.getJmxBeanKeyName(), "a_b");
matchers = m1.getMatchers();
Assert.assertEquals(matchers.size(), 4);
Assert.assertEquals(matchers.get(0).size(), 3);
Assert.assertEquals(matchers.get(0).get(1), "d");
Assert.assertEquals(matchers.get(0).get(2), "e");
Assert.assertEquals(matchers.get(2).size(), 2);
Assert.assertEquals(matchers.get(2).get(0), "c.d");
Assert.assertEquals(matchers.get(2).get(1), "e");
Assert.assertEquals(matchers.get(3).size(), 1);
Assert.assertEquals(matchers.get(3).get(0), "c.d.e");
}
@Test
public void testReadMetricsFromJson() throws Exception {
String jsonJmx = "{\n"
+ "\"tasks.total\": 28,\n"
+ "\"slots.total\": 1,\n"
+ "\"slots.free\": 0,\n"
+ "\"supervisors\": 1,\n"
+ "\"executors.total\": 28,\n"
+ "\"slots.used\": 1,\n"
+ "\"topologies\": 1,\n"
+ "\"nimbus.uptime\": 2026\n"
+ "}";
InputStream stream = new ByteArrayInputStream(jsonJmx.getBytes("UTF-8"));
Map<String, Metric> metrics = new HashMap<String, Metric>();
Map<String, String> jmxProperties = new HashMap<String, String>();
metrics.put("FreeSlots", new Metric("$['slots.free']", true, false));
metrics.put("Tasks", new Metric("$['tasks.total']", true, false));
metrics.put("Executors", new Metric("$['executors.total']", true, false));
metrics.put("Items", new Metric("['items']", true, false));
SliderAppJmxHelper.extractMetricsFromJmxJson(stream, "jmxurl", jmxProperties, metrics);
Assert.assertEquals(jmxProperties.size(), 3);
Assert.assertEquals(jmxProperties.get("FreeSlots"), "0");
Assert.assertEquals(jmxProperties.get("Tasks"), "28");
Assert.assertEquals(jmxProperties.get("Executors"), "28");
}
@Test
public void testReadMetricsFromXml() throws Exception {
String jsonJmx = "<stats>\n"
+ "<masterGoalState>NORMAL</masterGoalState>\n"
+ "<masterState>NORMAL</masterState>\n"
+ "<badTabletServers></badTabletServers>\n"
+ "<tabletServersShuttingDown></tabletServersShuttingDown>\n"
+ "<unassignedTablets>0</unassignedTablets>\n"
+ "<deadTabletServers></deadTabletServers>\n"
+ "<deadLoggers></deadLoggers>\n"
+ "<tables>\n"
+ "<table>\n"
+ "<tablename>!METADATA</tablename>\n"
+ "<tableId>!0</tableId>\n"
+ "<tableState>ONLINE</tableState>\n"
+ "<tablets>3</tablets>\n"
+ "<onlineTablets>3</onlineTablets>\n"
+ "<recs>49</recs>\n"
+ "<recsInMemory>24</recsInMemory>\n"
+ "<ingest>1.1271868150075986E-4</ingest>\n"
+ "<ingestByteRate>0.00475332746606865</ingestByteRate>\n"
+ "<query>0.014071304698085596</query>\n"
+ "<queryByteRate>0.014071304698085596</queryByteRate>\n"
+ "<majorCompactions>\n"
+ "<running>0</running>\n"
+ "<queued>0</queued>\n"
+ "</majorCompactions>\n"
+ "</table>\n"
+ "</tables>\n"
+ "<totals>\n"
+ "<ingestrate>0.0016737652847869573</ingestrate>\n"
+ "<queryrate>0.014071304698085596</queryrate>\n"
+ "<diskrate>0.0</diskrate>\n"
+ "<numentries>554</numentries>\n"
+ "</totals>\n"
+ "</stats>";
InputStream stream = new ByteArrayInputStream(jsonJmx.getBytes("UTF-8"));
Map<String, Metric> metrics = new HashMap<String, Metric>();
Map<String, String> jmxProperties = new HashMap<String, String>();
metrics.put("masterGoalState", new Metric("/stats/masterGoalState", true, false));
metrics.put("masterState", new Metric("/stats/masterState", true, false));
metrics.put("totals_diskrate", new Metric("/stats/totals/diskrate", true, false));
metrics.put("totals_diskaccess", new Metric("/stats/totals/diskaccess", true, false));
metrics.put("badTabletServers", new Metric("/stats/badTabletServers", true, false));
SliderAppJmxHelper.extractMetricsFromJmxXML(stream, "jmxurl", jmxProperties, metrics);
Assert.assertEquals(jmxProperties.size(), 5);
Assert.assertEquals(jmxProperties.get("masterGoalState"), "NORMAL");
Assert.assertEquals(jmxProperties.get("masterState"), "NORMAL");
Assert.assertEquals(jmxProperties.get("totals_diskrate"), "0.0");
Assert.assertEquals(jmxProperties.get("totals_diskaccess"), "");
Assert.assertEquals(jmxProperties.get("badTabletServers"), "");
}
}