1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.cluster;
import org.elasticsearch.action.ActionRequestBuilder;
import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
import org.elasticsearch.action.bulk.BulkRequestBuilder;
import org.elasticsearch.action.get.GetResponse;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.Requests;
import org.elasticsearch.cluster.block.ClusterBlockException;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.discovery.DiscoveryModule;
import org.elasticsearch.discovery.DiscoverySettings;
import org.elasticsearch.discovery.MasterNotDiscoveredException;
import org.elasticsearch.discovery.zen.ZenDiscovery;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.script.Script;
import org.elasticsearch.script.ScriptType;
import org.elasticsearch.test.ESIntegTestCase;
import org.elasticsearch.test.ESIntegTestCase.ClusterScope;
import org.elasticsearch.test.ESIntegTestCase.Scope;
import java.util.Collections;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertExists;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertHitCount;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertThrows;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;
@ClusterScope(scope = Scope.TEST, numDataNodes = 0, autoMinMasterNodes = false)
public class NoMasterNodeIT extends ESIntegTestCase {
@Override
protected Settings nodeSettings(int nodeOrdinal) {
return Settings.builder().put(super.nodeSettings(nodeOrdinal))
.put(DiscoveryModule.DISCOVERY_TYPE_SETTING.getKey(), "zen").build();
}
public void testNoMasterActions() throws Exception {
Settings settings = Settings.builder()
.put("discovery.type", "zen")
.put("action.auto_create_index", true)
.put("discovery.zen.minimum_master_nodes", 2)
.put(ZenDiscovery.PING_TIMEOUT_SETTING.getKey(), "200ms")
.put("discovery.initial_state_timeout", "500ms")
.put(DiscoverySettings.NO_MASTER_BLOCK_SETTING.getKey(), "all")
.build();
final TimeValue timeout = TimeValue.timeValueMillis(10);
internalCluster().startNode(settings);
// start a second node, create an index, and then shut it down so we have no master block
internalCluster().startNode(settings);
createIndex("test");
client().admin().cluster().prepareHealth("test").setWaitForGreenStatus().execute().actionGet();
internalCluster().stopRandomDataNode();
assertBusy(() -> {
ClusterState state = client().admin().cluster().prepareState().setLocal(true).execute().actionGet().getState();
assertTrue(state.blocks().hasGlobalBlock(DiscoverySettings.NO_MASTER_BLOCK_ID));
});
assertThrows(client().prepareGet("test", "type1", "1"),
ClusterBlockException.class, RestStatus.SERVICE_UNAVAILABLE
);
assertThrows(client().prepareGet("no_index", "type1", "1"),
ClusterBlockException.class, RestStatus.SERVICE_UNAVAILABLE
);
assertThrows(client().prepareMultiGet().add("test", "type1", "1"),
ClusterBlockException.class, RestStatus.SERVICE_UNAVAILABLE
);
assertThrows(client().prepareMultiGet().add("no_index", "type1", "1"),
ClusterBlockException.class, RestStatus.SERVICE_UNAVAILABLE
);
assertThrows(client().admin().indices().prepareAnalyze("test", "this is a test"),
ClusterBlockException.class, RestStatus.SERVICE_UNAVAILABLE
);
assertThrows(client().admin().indices().prepareAnalyze("no_index", "this is a test"),
ClusterBlockException.class, RestStatus.SERVICE_UNAVAILABLE
);
assertThrows(client().prepareSearch("test").setSize(0),
ClusterBlockException.class, RestStatus.SERVICE_UNAVAILABLE
);
assertThrows(client().prepareSearch("no_index").setSize(0),
ClusterBlockException.class, RestStatus.SERVICE_UNAVAILABLE
);
checkUpdateAction(false, timeout,
client().prepareUpdate("test", "type1", "1")
.setScript(new Script(
ScriptType.INLINE, Script.DEFAULT_SCRIPT_LANG, "test script", Collections.emptyMap())).setTimeout(timeout));
checkUpdateAction(true, timeout,
client().prepareUpdate("no_index", "type1", "1")
.setScript(new Script(
ScriptType.INLINE, Script.DEFAULT_SCRIPT_LANG, "test script", Collections.emptyMap())).setTimeout(timeout));
checkWriteAction(
client().prepareIndex("test", "type1", "1").setSource(XContentFactory.jsonBuilder().startObject().endObject()).setTimeout(timeout));
checkWriteAction(
client().prepareIndex("no_index", "type1", "1").setSource(XContentFactory.jsonBuilder().startObject().endObject()).setTimeout(timeout));
BulkRequestBuilder bulkRequestBuilder = client().prepareBulk();
bulkRequestBuilder.add(client().prepareIndex("test", "type1", "1").setSource(XContentFactory.jsonBuilder().startObject().endObject()));
bulkRequestBuilder.add(client().prepareIndex("test", "type1", "2").setSource(XContentFactory.jsonBuilder().startObject().endObject()));
bulkRequestBuilder.setTimeout(timeout);
checkWriteAction(bulkRequestBuilder);
bulkRequestBuilder = client().prepareBulk();
bulkRequestBuilder.add(client().prepareIndex("no_index", "type1", "1").setSource(XContentFactory.jsonBuilder().startObject().endObject()));
bulkRequestBuilder.add(client().prepareIndex("no_index", "type1", "2").setSource(XContentFactory.jsonBuilder().startObject().endObject()));
bulkRequestBuilder.setTimeout(timeout);
checkWriteAction(bulkRequestBuilder);
internalCluster().startNode(settings);
client().admin().cluster().prepareHealth().setWaitForGreenStatus().setWaitForNodes("2").execute().actionGet();
}
void checkUpdateAction(boolean autoCreateIndex, TimeValue timeout, ActionRequestBuilder<?, ?, ?> builder) {
// we clean the metadata when loosing a master, therefore all operations on indices will auto create it, if allowed
try {
builder.get();
fail("expected ClusterBlockException or MasterNotDiscoveredException");
} catch (ClusterBlockException | MasterNotDiscoveredException e) {
if (e instanceof MasterNotDiscoveredException) {
assertTrue(autoCreateIndex);
} else {
assertFalse(autoCreateIndex);
}
assertThat(e.status(), equalTo(RestStatus.SERVICE_UNAVAILABLE));
}
}
void checkWriteAction(ActionRequestBuilder<?, ?, ?> builder) {
try {
builder.get();
fail("Expected ClusterBlockException");
} catch (ClusterBlockException e) {
assertThat(e.status(), equalTo(RestStatus.SERVICE_UNAVAILABLE));
}
}
public void testNoMasterActionsWriteMasterBlock() throws Exception {
Settings settings = Settings.builder()
.put("discovery.type", "zen")
.put("action.auto_create_index", false)
.put("discovery.zen.minimum_master_nodes", 2)
.put(ZenDiscovery.PING_TIMEOUT_SETTING.getKey(), "200ms")
.put("discovery.initial_state_timeout", "500ms")
.put(DiscoverySettings.NO_MASTER_BLOCK_SETTING.getKey(), "write")
.build();
internalCluster().startNode(settings);
// start a second node, create an index, and then shut it down so we have no master block
internalCluster().startNode(settings);
prepareCreate("test1").setSettings(IndexMetaData.SETTING_NUMBER_OF_SHARDS, 1).get();
prepareCreate("test2").setSettings(IndexMetaData.SETTING_NUMBER_OF_SHARDS, 2, IndexMetaData.SETTING_NUMBER_OF_REPLICAS, 0).get();
client().admin().cluster().prepareHealth("_all").setWaitForGreenStatus().get();
client().prepareIndex("test1", "type1", "1").setSource("field", "value1").get();
client().prepareIndex("test2", "type1", "1").setSource("field", "value1").get();
refresh();
ensureSearchable("test1", "test2");
ClusterStateResponse clusterState = client().admin().cluster().prepareState().get();
logger.info("Cluster state:\n{}", clusterState.getState());
internalCluster().stopRandomDataNode();
assertTrue(awaitBusy(() -> {
ClusterState state = client().admin().cluster().prepareState().setLocal(true).get().getState();
return state.blocks().hasGlobalBlock(DiscoverySettings.NO_MASTER_BLOCK_ID);
}
));
GetResponse getResponse = client().prepareGet("test1", "type1", "1").get();
assertExists(getResponse);
SearchResponse countResponse = client().prepareSearch("test1").setSize(0).get();
assertHitCount(countResponse, 1L);
SearchResponse searchResponse = client().prepareSearch("test1").get();
assertHitCount(searchResponse, 1L);
countResponse = client().prepareSearch("test2").setSize(0).get();
assertThat(countResponse.getTotalShards(), equalTo(2));
assertThat(countResponse.getSuccessfulShards(), equalTo(1));
TimeValue timeout = TimeValue.timeValueMillis(200);
long now = System.currentTimeMillis();
try {
client().prepareUpdate("test1", "type1", "1").setDoc(Requests.INDEX_CONTENT_TYPE, "field", "value2").setTimeout(timeout).get();
fail("Expected ClusterBlockException");
} catch (ClusterBlockException e) {
assertThat(System.currentTimeMillis() - now, greaterThan(timeout.millis() - 50));
assertThat(e.status(), equalTo(RestStatus.SERVICE_UNAVAILABLE));
}
try {
client().prepareIndex("test1", "type1", "1").setSource(XContentFactory.jsonBuilder().startObject().endObject()).setTimeout(timeout).get();
fail("Expected ClusterBlockException");
} catch (ClusterBlockException e) {
assertThat(e.status(), equalTo(RestStatus.SERVICE_UNAVAILABLE));
}
internalCluster().startNode(settings);
client().admin().cluster().prepareHealth().setWaitForGreenStatus().setWaitForNodes("2").get();
}
}
|
