-
Notifications
You must be signed in to change notification settings - Fork 1.8k
/
SettingsModule.java
305 lines (281 loc) · 13.8 KB
/
SettingsModule.java
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
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
/*
* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* 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.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*/
package org.opensearch.common.settings;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.LogManager;
import org.opensearch.common.Strings;
import org.opensearch.common.inject.Binder;
import org.opensearch.common.inject.Module;
import org.opensearch.common.util.FeatureFlags;
import org.opensearch.common.xcontent.ToXContent;
import org.opensearch.common.xcontent.XContentBuilder;
import org.opensearch.common.xcontent.XContentType;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
/**
* A module that binds the provided settings to the {@link Settings} interface.
*
* @opensearch.internal
*/
public class SettingsModule implements Module {
private static final Logger logger = LogManager.getLogger(SettingsModule.class);
private final Settings settings;
private final Set<String> settingsFilterPattern = new HashSet<>();
private final Map<String, Setting<?>> nodeSettings = new HashMap<>();
private final Map<String, Setting<?>> indexSettings = new HashMap<>();
private final Set<Setting<?>> consistentSettings = new HashSet<>();
private final IndexScopedSettings indexScopedSettings;
private final ClusterSettings clusterSettings;
private final SettingsFilter settingsFilter;
public SettingsModule(Settings settings, Setting<?>... additionalSettings) {
this(settings, Arrays.asList(additionalSettings), Collections.emptyList(), Collections.emptySet());
}
public SettingsModule(
Settings settings,
List<Setting<?>> additionalSettings,
List<String> settingsFilter,
Set<SettingUpgrader<?>> settingUpgraders
) {
this.settings = settings;
for (Setting<?> setting : ClusterSettings.BUILT_IN_CLUSTER_SETTINGS) {
registerSetting(setting);
}
for (Setting<?> setting : IndexScopedSettings.BUILT_IN_INDEX_SETTINGS) {
registerSetting(setting);
}
for (Setting<?> setting : FeatureFlagSettings.BUILT_IN_FEATURE_FLAGS) {
registerSetting(setting);
}
for (Map.Entry<String, List<Setting>> featureFlaggedSetting : IndexScopedSettings.FEATURE_FLAGGED_INDEX_SETTINGS.entrySet()) {
if (FeatureFlags.isEnabled(featureFlaggedSetting.getKey())) {
featureFlaggedSetting.getValue().forEach(feature -> registerSetting(feature));
}
}
for (Setting<?> setting : additionalSettings) {
registerSetting(setting);
}
for (String filter : settingsFilter) {
registerSettingsFilter(filter);
}
final Set<SettingUpgrader<?>> clusterSettingUpgraders = new HashSet<>();
for (final SettingUpgrader<?> settingUpgrader : ClusterSettings.BUILT_IN_SETTING_UPGRADERS) {
assert settingUpgrader.getSetting().hasNodeScope() : settingUpgrader.getSetting().getKey();
final boolean added = clusterSettingUpgraders.add(settingUpgrader);
assert added : settingUpgrader.getSetting().getKey();
}
for (final SettingUpgrader<?> settingUpgrader : settingUpgraders) {
assert settingUpgrader.getSetting().hasNodeScope() : settingUpgrader.getSetting().getKey();
final boolean added = clusterSettingUpgraders.add(settingUpgrader);
assert added : settingUpgrader.getSetting().getKey();
}
this.indexScopedSettings = new IndexScopedSettings(settings, new HashSet<>(this.indexSettings.values()));
this.clusterSettings = new ClusterSettings(settings, new HashSet<>(this.nodeSettings.values()), clusterSettingUpgraders);
Settings indexSettings = settings.filter((s) -> (s.startsWith("index.") &&
// special case - we want to get Did you mean indices.query.bool.max_clause_count
// which means we need to by-pass this check for this setting
// TODO remove in 6.0!!
"index.query.bool.max_clause_count".equals(s) == false) && clusterSettings.get(s) == null);
if (indexSettings.isEmpty() == false) {
try {
String separator = IntStream.range(0, 85).mapToObj(s -> "*").collect(Collectors.joining("")).trim();
StringBuilder builder = new StringBuilder();
builder.append(System.lineSeparator());
builder.append(separator);
builder.append(System.lineSeparator());
builder.append("Found index level settings on node level configuration.");
builder.append(System.lineSeparator());
builder.append(System.lineSeparator());
int count = 0;
for (String word : ("Index level settings can NOT be set on the nodes configuration like "
+ "the opensearch.yaml, in system properties or command line arguments."
+ "In order to upgrade all indices the settings must be updated via the /${index}/_settings API. "
+ "Unless all settings are dynamic all indices must be closed in order to apply the upgrade"
+ "Indices created in the future should use index templates to set default values.").split(" ")) {
if (count + word.length() > 85) {
builder.append(System.lineSeparator());
count = 0;
}
count += word.length() + 1;
builder.append(word).append(" ");
}
builder.append(System.lineSeparator());
builder.append(System.lineSeparator());
builder.append("Please ensure all required values are updated on all indices by executing: ");
builder.append(System.lineSeparator());
builder.append(System.lineSeparator());
builder.append("curl -XPUT 'http://localhost:9200/_all/_settings?preserve_existing=true' -d '");
try (XContentBuilder xContentBuilder = XContentBuilder.builder(XContentType.JSON.xContent())) {
xContentBuilder.prettyPrint();
xContentBuilder.startObject();
indexSettings.toXContent(xContentBuilder, new ToXContent.MapParams(Collections.singletonMap("flat_settings", "true")));
xContentBuilder.endObject();
builder.append(Strings.toString(xContentBuilder));
}
builder.append("'");
builder.append(System.lineSeparator());
builder.append(separator);
builder.append(System.lineSeparator());
logger.warn(builder.toString());
throw new IllegalArgumentException("node settings must not contain any index level settings");
} catch (IOException e) {
throw new RuntimeException(e);
}
}
// by now we are fully configured, lets check node level settings for unregistered index settings
clusterSettings.validate(settings, true);
this.settingsFilter = new SettingsFilter(settingsFilterPattern);
}
@Override
public void configure(Binder binder) {
binder.bind(Settings.class).toInstance(settings);
binder.bind(SettingsFilter.class).toInstance(settingsFilter);
binder.bind(ClusterSettings.class).toInstance(clusterSettings);
binder.bind(IndexScopedSettings.class).toInstance(indexScopedSettings);
}
/**
* Dynamically registers a new Setting at Runtime. This method is mostly used by plugins/extensions
* to register new settings at runtime. Settings can be of Node Scope or Index Scope.
* @param setting which is being registered in the cluster.
* @return boolean value is set to true when successfully registered, else returns false
*/
public boolean registerDynamicSetting(Setting<?> setting) {
boolean onNodeSetting = false;
boolean onIndexSetting = false;
try {
if (setting.hasNodeScope()) {
onNodeSetting = clusterSettings.registerSetting(setting);
}
if (setting.hasIndexScope()) {
onIndexSetting = indexScopedSettings.registerSetting(setting);
}
try {
registerSetting(setting);
if (onNodeSetting || onIndexSetting) {
logger.info("Registered new Setting: " + setting.getKey() + " successfully ");
return true;
}
} catch (IllegalArgumentException ex) {
if (onNodeSetting) {
clusterSettings.unregisterSetting(setting);
}
if (onIndexSetting) {
indexScopedSettings.unregisterSetting(setting);
}
throw ex;
}
} catch (Exception e) {
logger.error("Could not register setting " + setting.getKey());
throw new SettingsException("Could not register setting:" + setting.getKey());
}
return false;
}
/**
* Registers a new setting. This method should be used by plugins in order to expose any custom settings the plugin defines.
* Unless a setting is registered the setting is unusable. If a setting is never the less specified the node will reject
* the setting during startup.
*/
private void registerSetting(Setting<?> setting) {
if (setting.isFiltered()) {
if (settingsFilterPattern.contains(setting.getKey()) == false) {
registerSettingsFilter(setting.getKey());
}
}
if (setting.hasNodeScope() || setting.hasIndexScope()) {
if (setting.hasNodeScope()) {
Setting<?> existingSetting = nodeSettings.get(setting.getKey());
if (existingSetting != null) {
throw new IllegalArgumentException("Cannot register setting [" + setting.getKey() + "] twice");
}
if (setting.isConsistent()) {
if (setting instanceof Setting.AffixSetting<?>) {
if (((Setting.AffixSetting<?>) setting).getConcreteSettingForNamespace("_na_") instanceof SecureSetting<?>) {
consistentSettings.add(setting);
} else {
throw new IllegalArgumentException("Invalid consistent secure setting [" + setting.getKey() + "]");
}
} else if (setting instanceof SecureSetting<?>) {
consistentSettings.add(setting);
} else {
throw new IllegalArgumentException("Invalid consistent secure setting [" + setting.getKey() + "]");
}
}
nodeSettings.put(setting.getKey(), setting);
}
if (setting.hasIndexScope()) {
Setting<?> existingSetting = indexSettings.get(setting.getKey());
if (existingSetting != null) {
throw new IllegalArgumentException("Cannot register setting [" + setting.getKey() + "] twice");
}
if (setting.isConsistent()) {
throw new IllegalStateException("Consistent setting [" + setting.getKey() + "] cannot be index scoped");
}
indexSettings.put(setting.getKey(), setting);
}
} else {
throw new IllegalArgumentException("No scope found for setting [" + setting.getKey() + "]");
}
}
/**
* Registers a settings filter pattern that allows to filter out certain settings that for instance contain sensitive information
* or if a setting is for internal purposes only. The given pattern must either be a valid settings key or a simple regexp pattern.
*/
private void registerSettingsFilter(String filter) {
if (SettingsFilter.isValidPattern(filter) == false) {
throw new IllegalArgumentException("filter [" + filter + "] is invalid must be either a key or a regex pattern");
}
if (settingsFilterPattern.contains(filter)) {
throw new IllegalArgumentException("filter [" + filter + "] has already been registered");
}
settingsFilterPattern.add(filter);
}
public Settings getSettings() {
return settings;
}
public IndexScopedSettings getIndexScopedSettings() {
return indexScopedSettings;
}
public ClusterSettings getClusterSettings() {
return clusterSettings;
}
public Set<Setting<?>> getConsistentSettings() {
return consistentSettings;
}
public SettingsFilter getSettingsFilter() {
return settingsFilter;
}
}