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Marvel: Store shards as individual documents in marvel_shards 

Closes elastic/elasticsearch#581

Original commit: elastic/x-pack-elasticsearch@059ad5f09f
This commit is contained in:
Tanguy Leroux 2015-09-04 18:56:24 +02:00
parent 81dc0ee210
commit a640ab6bec
16 changed files with 542 additions and 68 deletions
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2
marvel/src/main/java/org/elasticsearch/marvel/agent/collector/CollectorModule.java
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@ -14,6 +14,7 @@ import org.elasticsearch.marvel.agent.collector.indices.IndexRecoveryCollector;
import org.elasticsearch.marvel.agent.collector.indices.IndexStatsCollector;
import org.elasticsearch.marvel.agent.collector.indices.IndicesStatsCollector;
import org.elasticsearch.marvel.agent.collector.node.NodeStatsCollector;
import org.elasticsearch.marvel.agent.collector.shards.ShardsCollector;
import java.util.HashSet;
import java.util.Set;
@ -29,6 +30,7 @@ public class CollectorModule extends AbstractModule {
registerCollector(IndexStatsCollector.class);
registerCollector(ClusterStatsCollector.class);
registerCollector(ClusterStateCollector.class);
registerCollector(ShardsCollector.class);
registerCollector(NodeStatsCollector.class);
registerCollector(IndexRecoveryCollector.class);
}

30
marvel/src/main/java/org/elasticsearch/marvel/agent/collector/shards/ShardMarvelDoc.java Normal file
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@ -0,0 +1,30 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.marvel.agent.collector.shards;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.marvel.agent.exporter.MarvelDoc;
public class ShardMarvelDoc extends MarvelDoc {
private final ShardRouting shardRouting;
private final String clusterStateUUID;
public ShardMarvelDoc(String index, String type, String id, String clusterUUID, long timestamp,
ShardRouting shardRouting, String clusterStateUUID) {
super(index, type, id, clusterUUID, timestamp);
this.shardRouting = shardRouting;
this.clusterStateUUID = clusterStateUUID;
}
public ShardRouting getShardRouting() {
return shardRouting;
}
public String getClusterStateUUID() {
return clusterStateUUID;
}
}

104
marvel/src/main/java/org/elasticsearch/marvel/agent/collector/shards/ShardsCollector.java Normal file
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@ -0,0 +1,104 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.marvel.agent.collector.shards;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.routing.RoutingTable;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.regex.Regex;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.CollectionUtils;
import org.elasticsearch.marvel.agent.collector.AbstractCollector;
import org.elasticsearch.marvel.agent.exporter.MarvelDoc;
import org.elasticsearch.marvel.agent.settings.MarvelSettings;
import org.elasticsearch.marvel.license.LicenseService;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
/**
* Collector for shards.
* <p/>
* This collector runs on the master node only and collects the {@link ShardMarvelDoc} documents
* for every index shard.
*/
public class ShardsCollector extends AbstractCollector<ShardsCollector> {
public static final String NAME = "shards-collector";
public static final String TYPE = "marvel_shards";
@Inject
public ShardsCollector(Settings settings, ClusterService clusterService, MarvelSettings marvelSettings, LicenseService licenseService) {
super(settings, NAME, clusterService, marvelSettings, licenseService);
}
@Override
protected boolean canCollect() {
return super.canCollect() && isLocalNodeMaster();
}
@Override
protected Collection<MarvelDoc> doCollect() throws Exception {
List<MarvelDoc> results = new ArrayList<>(1);
ClusterState clusterState = clusterService.state();
if (clusterState != null) {
RoutingTable routingTable = clusterState.routingTable();
if (routingTable != null) {
List<ShardRouting> shards = routingTable.allShards();
if (shards != null) {
String clusterUUID = clusterUUID();
String stateUUID = clusterState.stateUUID();
long timestamp = System.currentTimeMillis();
for (ShardRouting shard : shards) {
if (match(shard.getIndex())) {
results.add(new ShardMarvelDoc(null, TYPE, id(stateUUID, shard), clusterUUID, timestamp, shard, stateUUID));
}
}
}
}
}
return Collections.unmodifiableCollection(results);
}
private boolean match(String indexName) {
String[] indices = marvelSettings.indices();
return CollectionUtils.isEmpty(indices) || Regex.simpleMatch(indices, indexName);
}
/**
* Compute an id that has the format:
*
* {state_uuid}:{node_id || '_na'}:{index}:{shard}:{'p' || 'r'}
*/
static String id(String stateUUID, ShardRouting shardRouting) {
StringBuilder builder = new StringBuilder();
builder.append(stateUUID);
builder.append(':');
if (shardRouting.assignedToNode()) {
builder.append(shardRouting.currentNodeId());
} else {
builder.append("_na");
}
builder.append(':');
builder.append(shardRouting.index());
builder.append(':');
builder.append(Integer.valueOf(shardRouting.id()));
builder.append(':');
if (shardRouting.primary()) {
builder.append("p");
} else {
builder.append("r");
}
return builder.toString();
}
}

5
marvel/src/main/java/org/elasticsearch/marvel/agent/renderer/RendererModule.java
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@ -14,6 +14,7 @@ import org.elasticsearch.marvel.agent.collector.indices.IndexRecoveryCollector;
import org.elasticsearch.marvel.agent.collector.indices.IndexStatsCollector;
import org.elasticsearch.marvel.agent.collector.indices.IndicesStatsCollector;
import org.elasticsearch.marvel.agent.collector.node.NodeStatsCollector;
import org.elasticsearch.marvel.agent.collector.shards.ShardsCollector;
import org.elasticsearch.marvel.agent.renderer.cluster.ClusterInfoRenderer;
import org.elasticsearch.marvel.agent.renderer.cluster.ClusterStateRenderer;
import org.elasticsearch.marvel.agent.renderer.cluster.ClusterStatsRenderer;
@ -21,6 +22,7 @@ import org.elasticsearch.marvel.agent.renderer.indices.IndexRecoveryRenderer;
import org.elasticsearch.marvel.agent.renderer.indices.IndexStatsRenderer;
import org.elasticsearch.marvel.agent.renderer.indices.IndicesStatsRenderer;
import org.elasticsearch.marvel.agent.renderer.node.NodeStatsRenderer;
import org.elasticsearch.marvel.agent.renderer.shards.ShardsRenderer;
import java.util.HashMap;
import java.util.Map;
@ -53,6 +55,9 @@ public class RendererModule extends AbstractModule {
bind(ClusterStateRenderer.class).asEagerSingleton();
mbinder.addBinding(ClusterStateCollector.TYPE).to(ClusterStateRenderer.class);
bind(ShardsRenderer.class).asEagerSingleton();
mbinder.addBinding(ShardsCollector.TYPE).to(ShardsRenderer.class);
bind(NodeStatsRenderer.class).asEagerSingleton();
mbinder.addBinding(NodeStatsCollector.TYPE).to(NodeStatsRenderer.class);

19
marvel/src/main/java/org/elasticsearch/marvel/agent/renderer/cluster/ClusterStateRenderer.java
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@ -6,8 +6,6 @@
package org.elasticsearch.marvel.agent.renderer.cluster;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.routing.RoutingTable;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;
@ -15,7 +13,6 @@ import org.elasticsearch.marvel.agent.collector.cluster.ClusterStateMarvelDoc;
import org.elasticsearch.marvel.agent.renderer.AbstractRenderer;
import java.io.IOException;
import java.util.List;
import java.util.Locale;
public class ClusterStateRenderer extends AbstractRenderer<ClusterStateMarvelDoc> {
@ -25,7 +22,6 @@ public class ClusterStateRenderer extends AbstractRenderer<ClusterStateMarvelDoc
"cluster_state.master_node",
"cluster_state.status",
"cluster_state.nodes",
"cluster_state.shards",
};
public ClusterStateRenderer() {
@ -39,21 +35,7 @@ public class ClusterStateRenderer extends AbstractRenderer<ClusterStateMarvelDoc
ClusterState clusterState = marvelDoc.getClusterState();
if (clusterState != null) {
builder.field(Fields.STATUS, marvelDoc.getStatus().name().toLowerCase(Locale.ROOT));
clusterState.toXContent(builder, params);
RoutingTable routingTable = clusterState.routingTable();
if (routingTable != null) {
List<ShardRouting> shards = routingTable.allShards();
if (shards != null) {
builder.startArray(Fields.SHARDS);
for (ShardRouting shard : shards) {
shard.toXContent(builder, params);
}
builder.endArray();
}
}
}
builder.endObject();
@ -62,6 +44,5 @@ public class ClusterStateRenderer extends AbstractRenderer<ClusterStateMarvelDoc
static final class Fields {
static final XContentBuilderString CLUSTER_STATE = new XContentBuilderString("cluster_state");
static final XContentBuilderString STATUS = new XContentBuilderString("status");
static final XContentBuilderString SHARDS = new XContentBuilderString("shards");
}
}

49
marvel/src/main/java/org/elasticsearch/marvel/agent/renderer/shards/ShardsRenderer.java Normal file
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@ -0,0 +1,49 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.marvel.agent.renderer.shards;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;
import org.elasticsearch.marvel.agent.collector.shards.ShardMarvelDoc;
import org.elasticsearch.marvel.agent.renderer.AbstractRenderer;
import java.io.IOException;
public class ShardsRenderer extends AbstractRenderer<ShardMarvelDoc> {
public static final String[] FILTERS = {
"state_uuid",
"shard.state",
"shard.primary",
"shard.node",
"shard.relocating_node",
"shard.shard",
"shard.index",
};
public ShardsRenderer() {
super(FILTERS, true);
}
@Override
protected void doRender(ShardMarvelDoc marvelDoc, XContentBuilder builder, ToXContent.Params params) throws IOException {
builder.field(Fields.STATE_UUID, marvelDoc.getClusterStateUUID());
ShardRouting shardRouting = marvelDoc.getShardRouting();
if (shardRouting != null) {
// ShardRouting is rendered inside a startObject() / endObject() but without a name,
// so we must use XContentBuilder.field(String, ToXContent, ToXContent.Params) here
builder.field(Fields.SHARD.underscore().toString(), shardRouting, params);
}
}
static final class Fields {
static final XContentBuilderString SHARD = new XContentBuilderString("shard");
static final XContentBuilderString STATE_UUID = new XContentBuilderString("state_uuid");
}
}

14
marvel/src/main/resources/marvel_index_template.json
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@ -177,9 +177,6 @@
},
"nodes": {
"type": "object"
},
"shards": {
"type": "object"
}
}
}
@ -233,6 +230,17 @@
"type": "object"
}
}
},
"marvel_shards": {
"properties": {
"state_uuid": {
"type": "string",
"index": "not_analyzed"
},
"shard": {
"type": "object"
}
}
}
}
}

10
marvel/src/test/java/org/elasticsearch/marvel/agent/collector/AbstractCollectorTestCase.java
View File

@ -23,6 +23,7 @@ import org.elasticsearch.license.plugin.core.LicensesService;
import org.elasticsearch.marvel.MarvelPlugin;
import org.elasticsearch.marvel.agent.settings.MarvelSettings;
import org.elasticsearch.marvel.license.LicenseService;
import org.elasticsearch.node.Node;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.test.ESIntegTestCase;
import org.elasticsearch.test.ESIntegTestCase.ClusterScope;
@ -45,6 +46,15 @@ public class AbstractCollectorTestCase extends ESIntegTestCase {
return nodePlugins();
}
@Override
protected Settings nodeSettings(int nodeOrdinal) {
return Settings.builder()
.put(super.nodeSettings(nodeOrdinal))
.put(Node.HTTP_ENABLED, false)
.put(MarvelSettings.INTERVAL, "60m")
.build();
}
@Before
public void ensureLicenseIsEnabled() {
enableLicense();

203
marvel/src/test/java/org/elasticsearch/marvel/agent/collector/shards/ShardsCollectorTests.java Normal file
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@ -0,0 +1,203 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.marvel.agent.collector.shards;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.marvel.agent.collector.AbstractCollectorTestCase;
import org.elasticsearch.marvel.agent.exporter.MarvelDoc;
import org.elasticsearch.marvel.agent.settings.MarvelSettings;
import org.elasticsearch.marvel.license.LicenseService;
import org.junit.Test;
import java.util.Collection;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertHitCount;
import static org.hamcrest.Matchers.*;
public class ShardsCollectorTests extends AbstractCollectorTestCase {
@Test
public void testShardsCollectorNoIndices() throws Exception {
Collection<MarvelDoc> results = newShardsCollector().doCollect();
assertThat(results, hasSize(0));
}
@Override
protected Settings nodeSettings(int nodeOrdinal) {
return Settings.builder()
.put(super.nodeSettings(nodeOrdinal))
.put(MarvelSettings.INDICES, "test-shards*")
.build();
}
@Test
public void testShardsCollectorOneIndex() throws Exception {
int nbDocs = randomIntBetween(1, 20);
for (int i = 0; i < nbDocs; i++) {
client().prepareIndex("test-shards", "test").setSource("num", i).get();
}
waitForRelocation();
ensureGreen();
refresh();
assertHitCount(client().prepareCount().get(), nbDocs);
Collection<MarvelDoc> results = newShardsCollector().doCollect();
assertThat(results, hasSize(getNumShards("test-shards").totalNumShards));
final ClusterState clusterState = client().admin().cluster().prepareState().setMetaData(true).get().getState();
int primaries = 0;
int replicas = 0;
for (MarvelDoc marvelDoc : results) {
assertNotNull(marvelDoc);
assertThat(marvelDoc, instanceOf(ShardMarvelDoc.class));
ShardMarvelDoc shardMarvelDoc = (ShardMarvelDoc) marvelDoc;
assertThat(shardMarvelDoc.clusterUUID(), equalTo(clusterState.metaData().clusterUUID()));
assertThat(shardMarvelDoc.timestamp(), greaterThan(0L));
assertThat(shardMarvelDoc.type(), equalTo(ShardsCollector.TYPE));
assertThat(shardMarvelDoc.id(), equalTo(ShardsCollector.id(clusterState.stateUUID(), ((ShardMarvelDoc) marvelDoc).getShardRouting())));
assertThat(shardMarvelDoc.getClusterStateUUID(), equalTo(clusterState.stateUUID()));
ShardRouting shardRouting = shardMarvelDoc.getShardRouting();
assertNotNull(shardRouting);
assertThat(shardMarvelDoc.getShardRouting().assignedToNode(), is(true));
if (shardRouting.primary()) {
primaries++;
} else {
replicas++;
}
}
int expectedPrimaries = getNumShards("test-shards").numPrimaries;
int expectedReplicas = expectedPrimaries * getNumShards("test-shards").numReplicas;
assertThat(primaries, equalTo(expectedPrimaries));
assertThat(replicas, equalTo(expectedReplicas));
}
@Test
public void testShardsCollectorMultipleIndices() throws Exception {
final String indexPrefix = "test-shards-";
final int nbIndices = randomIntBetween(1, 3);
final int[] nbShardsPerIndex = new int[nbIndices];
final int[] nbReplicasPerIndex = new int[nbIndices];
final int[] nbDocsPerIndex = new int[nbIndices];
int totalShards = 0;
for (int i = 0; i < nbIndices; i++) {
nbShardsPerIndex[i] = randomIntBetween(1, 3);
nbReplicasPerIndex[i] = randomIntBetween(0, Math.min(2, internalCluster().numDataNodes()));
assertAcked(prepareCreate(indexPrefix + String.valueOf(i)).setSettings(Settings.settingsBuilder()
.put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, nbShardsPerIndex[i])
.put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, nbReplicasPerIndex[i])
.build()));
totalShards = totalShards + nbShardsPerIndex[i] + (nbShardsPerIndex[i] * nbReplicasPerIndex[i]);
nbDocsPerIndex[i] = randomIntBetween(1, 20);
for (int j = 0; j < nbDocsPerIndex[i]; j++) {
client().prepareIndex(indexPrefix + String.valueOf(i), "test").setSource("num", i).get();
}
}
waitForRelocation();
refresh();
for (int i = 0; i < nbIndices; i++) {
assertHitCount(client().prepareCount(indexPrefix + String.valueOf(i)).get(), nbDocsPerIndex[i]);
}
Collection<MarvelDoc> results = newShardsCollector().doCollect();
assertThat(results, hasSize(totalShards));
final ClusterState clusterState = client().admin().cluster().prepareState().setMetaData(true).get().getState();
for (MarvelDoc marvelDoc : results) {
assertNotNull(marvelDoc);
assertThat(marvelDoc, instanceOf(ShardMarvelDoc.class));
ShardMarvelDoc shardMarvelDoc = (ShardMarvelDoc) marvelDoc;
assertThat(shardMarvelDoc.clusterUUID(), equalTo(clusterState.metaData().clusterUUID()));
assertThat(shardMarvelDoc.timestamp(), greaterThan(0L));
assertThat(shardMarvelDoc.type(), equalTo(ShardsCollector.TYPE));
assertThat(shardMarvelDoc.id(), equalTo(ShardsCollector.id(clusterState.stateUUID(), ((ShardMarvelDoc) marvelDoc).getShardRouting())));
assertThat(shardMarvelDoc.getClusterStateUUID(), equalTo(clusterState.stateUUID()));
ShardRouting shardRouting = shardMarvelDoc.getShardRouting();
assertNotNull(shardRouting);
}
// Checks that a correct number of ShardMarvelDoc documents has been created for each index
int[] shards = new int[nbIndices];
for (MarvelDoc marvelDoc : results) {
ShardRouting routing = ((ShardMarvelDoc) marvelDoc).getShardRouting();
int index = Integer.parseInt(routing.index().substring(indexPrefix.length()));
shards[index]++;
}
for (int i = 0; i < nbIndices; i++) {
int total = getNumShards(indexPrefix + String.valueOf(i)).totalNumShards;
assertThat("expecting " + total + " shards marvel documents for index [" + indexPrefix + String.valueOf(i) + "]", shards[i], equalTo(total));
}
}
@Test
public void testShardsCollectorWithLicensing() {
String[] nodes = internalCluster().getNodeNames();
for (String node : nodes) {
logger.debug("--> creating a new instance of the collector");
ShardsCollector collector = newShardsCollector(node);
assertNotNull(collector);
logger.debug("--> enabling license and checks that the collector can collect data if node is master");
enableLicense();
if (node.equals(internalCluster().getMasterName())) {
assertCanCollect(collector);
} else {
assertCannotCollect(collector);
}
logger.debug("--> starting graceful period and checks that the collector can still collect data if node is master");
beginGracefulPeriod();
if (node.equals(internalCluster().getMasterName())) {
assertCanCollect(collector);
} else {
assertCannotCollect(collector);
}
logger.debug("--> ending graceful period and checks that the collector cannot collect data");
endGracefulPeriod();
assertCannotCollect(collector);
logger.debug("--> disabling license and checks that the collector cannot collect data");
disableLicense();
assertCannotCollect(collector);
}
}
private ShardsCollector newShardsCollector() {
// This collector runs on master node only
return newShardsCollector(internalCluster().getMasterName());
}
private ShardsCollector newShardsCollector(String nodeId) {
assertNotNull(nodeId);
return new ShardsCollector(internalCluster().getInstance(Settings.class, nodeId),
internalCluster().getInstance(ClusterService.class, nodeId),
internalCluster().getInstance(MarvelSettings.class, nodeId),
internalCluster().getInstance(LicenseService.class, nodeId));
}
}

6
marvel/src/test/java/org/elasticsearch/marvel/agent/renderer/AbstractRendererTestCase.java
View File

@ -76,8 +76,8 @@ public abstract class AbstractRendererTestCase extends ESIntegTestCase {
* it recurses to check if 'bar' exists in the sub-map.
*/
protected void assertContains(String field, Map<String, Object> values) {
assertNotNull(field);
assertNotNull(values);
assertNotNull("field name should not be null", field);
assertNotNull("values map should not be null", values);
int point = field.indexOf('.');
if (point > -1) {
@ -98,7 +98,7 @@ public abstract class AbstractRendererTestCase extends ESIntegTestCase {
assertFalse(value instanceof Map);
}
} else {
assertNotNull(values.get(field));
assertTrue("expecting field [" + field + "] to be present in marvel document", values.containsKey(field));
}
}

4
marvel/src/test/java/org/elasticsearch/marvel/agent/renderer/RendererTestUtils.java
View File

@ -42,10 +42,10 @@ public class RendererTestUtils {
assertNotNull(result);
assertNotNull(expected);
try {
try (
XContentParser resultParser = XContentFactory.xContent(result).createParser(result);
XContentParser expectedParser = XContentFactory.xContent(expected).createParser(expected);
) {
while (true) {
XContentParser.Token token1 = resultParser.nextToken();
XContentParser.Token token2 = expectedParser.nextToken();

4
marvel/src/test/java/org/elasticsearch/marvel/agent/renderer/cluster/ClusterInfoIT.java
View File

@ -33,11 +33,11 @@ public class ClusterInfoIT extends AbstractRendererTestCase {
}
@Test
public void testLicenses() throws Exception {
public void testClusterInfo() throws Exception {
final String clusterUUID = client().admin().cluster().prepareState().setMetaData(true).get().getState().metaData().clusterUUID();
assertTrue(Strings.hasText(clusterUUID));
logger.debug("--> waiting for licenses collector to collect data (ie, the trial marvel license)");
logger.debug("--> waiting for cluster info collector to collect data (ie, the trial marvel license)");
GetResponse response = assertBusy(new Callable<GetResponse>() {
@Override
public GetResponse call() throws Exception {

52
marvel/src/test/java/org/elasticsearch/marvel/agent/renderer/shards/ShardsIT.java Normal file
View File

@ -0,0 +1,52 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.marvel.agent.renderer.shards;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.marvel.agent.collector.shards.ShardsCollector;
import org.elasticsearch.marvel.agent.renderer.AbstractRendererTestCase;
import org.elasticsearch.search.SearchHit;
import org.junit.Test;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import static org.hamcrest.Matchers.greaterThan;
public class ShardsIT extends AbstractRendererTestCase {
@Override
protected Collection<String> collectors() {
return Collections.singletonList(ShardsCollector.NAME);
}
@Test
public void testShards() throws Exception {
logger.debug("--> creating some indices so that shards collector reports data");
for (int i = 0; i < randomIntBetween(1, 5); i++) {
client().prepareIndex("test-" + i, "foo").setRefresh(true).setSource("field1", "value1").get();
}
waitForMarvelDocs(ShardsCollector.TYPE);
logger.debug("--> searching for marvel documents of type [{}]", ShardsCollector.TYPE);
SearchResponse response = client().prepareSearch().setTypes(ShardsCollector.TYPE).get();
assertThat(response.getHits().getTotalHits(), greaterThan(0L));
logger.debug("--> checking that every document contains the expected fields");
String[] filters = ShardsRenderer.FILTERS;
for (SearchHit searchHit : response.getHits().getHits()) {
Map<String, Object> fields = searchHit.sourceAsMap();
for (String filter : filters) {
assertContains(filter, fields);
}
}
logger.debug("--> shards successfully collected");
}
}

55
marvel/src/test/java/org/elasticsearch/marvel/agent/renderer/shards/ShardsRendererTests.java Normal file
View File

@ -0,0 +1,55 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.marvel.agent.renderer.shards;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.marvel.agent.collector.shards.ShardMarvelDoc;
import org.elasticsearch.marvel.agent.renderer.Renderer;
import org.elasticsearch.marvel.agent.renderer.RendererTestUtils;
import org.elasticsearch.test.ESSingleNodeTestCase;
import org.elasticsearch.test.StreamsUtils;
import org.junit.Test;
import java.io.IOException;
public class ShardsRendererTests extends ESSingleNodeTestCase {
private static final String SAMPLE_FILE = "/samples/marvel_shards.json";
@Test
public void testShardsRenderer() throws Exception {
createIndex("my-index", Settings.settingsBuilder()
.put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, 1)
.put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, 0)
.build());
logger.debug("--> retrieving cluster state");
ClusterState clusterState = getInstanceFromNode(ClusterService.class).state();
logger.debug("--> creating the shard marvel document");
ShardMarvelDoc marvelDoc = new ShardMarvelDoc("my-index", "marvel_shards", "my-id",
clusterState.metaData().clusterUUID(), 1437580442979L, clusterState.routingTable().allShards().iterator().next(), clusterState.stateUUID());
logger.debug("--> rendering the document");
Renderer renderer = new ShardsRenderer();
String result = RendererTestUtils.renderAsJSON(marvelDoc, renderer);
logger.debug("--> loading sample document from file {}", SAMPLE_FILE);
String expected = StreamsUtils.copyToStringFromClasspath(SAMPLE_FILE);
logger.debug("--> comparing both documents, they must have the same structure");
RendererTestUtils.assertJSONStructure(result, expected);
}
@Test
public void testNoShard() throws IOException {
String result = RendererTestUtils.renderAsJSON(new ShardMarvelDoc("my-index", "marvel_shards", "my-id", "cluster-uuid", 1437580442979L, null, "my-state-uuid"), new ShardsRenderer());
RendererTestUtils.assertJSONStructureAndValues(result, "{\"cluster_uuid\":\"my-cluster-uuid\",\"timestamp\":\"2015-07-22T15:54:02.979Z\",\"state_uuid\":\"my-state-uuid\"}");
}
}

38
marvel/src/test/resources/samples/marvel_cluster_state.json
View File

@ -13,44 +13,6 @@
"local": "true"
}
}
},
"shards": [
{
"state": "STARTED",
"primary": true,
"node": "__node_id__",
"relocating_node": null,
"shard": 0,
"index": "my-index",
"version": 2,
"allocation_id": {
"id": "p6c9fBsNSc6SBTq0E0jLZw"
}
},
{
"state": "STARTED",
"primary": true,
"node": "__node_id__",
"relocating_node": null,
"shard": 1,
"index": "my-index",
"version": 2,
"allocation_id": {
"id": "KBOkx9UmRNmlZ6LGsnqxJw"
}
},
{
"state": "STARTED",
"primary": true,
"node": "__node_id__",
"relocating_node": null,
"shard": 2,
"index": "my-index",
"version": 2,
"allocation_id": {
"id": "aHXocqcnRme-y6OJIZX-CQ"
}
}
]
}
}

13
marvel/src/test/resources/samples/marvel_shards.json Normal file
View File

@ -0,0 +1,13 @@
{
"cluster_uuid": "dsFPzYRyQCe6cq48a0wxkQ",
"timestamp": "2015-07-22T15:54:02.979Z",
"state_uuid": "YYvS4BSURvaqm2h7Kzqfwg",
"shard": {
"state": "STARTED",
"primary": true,
"node": "6MMNl9dXRV-kFRKh_fXxxA",
"relocating_node": null,
"shard": 0,
"index": ".marvel-2015.09.03"
}
}