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/*
* 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.plugins;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.index.IndexModule;
import org.elasticsearch.test.ESTestCase;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
public class PluginsServiceTests extends ESTestCase {
public static class AdditionalSettingsPlugin1 extends Plugin {
@Override
public String name() {
return "additional-settings1";
}
@Override
public String description() {
return "adds additional setting 'foo.bar'";
}
@Override
public Settings additionalSettings() {
return Settings.builder().put("foo.bar", "1").put(IndexModule.INDEX_STORE_TYPE_SETTING.getKey(), IndexModule.Type.MMAPFS.getSettingsKey()).build();
}
}
public static class AdditionalSettingsPlugin2 extends Plugin {
@Override
public String name() {
return "additional-settings2";
}
@Override
public String description() {
return "adds additional setting 'foo.bar'";
}
@Override
public Settings additionalSettings() {
return Settings.builder().put("foo.bar", "2").build();
}
}
public static class FailOnModule extends Plugin {
@Override
public String name() {
return "fail-on-module";
}
@Override
public String description() {
return "fails in onModule";
}
public void onModule(BrokenModule brokenModule) {
throw new IllegalStateException("boom");
}
}
public static class BrokenModule extends AbstractModule {
@Override
protected void configure() {
}
}
static PluginsService newPluginsService(Settings settings, Class<? extends Plugin>... classpathPlugins) {
return new PluginsService(settings, null, new Environment(settings).pluginsFile(), Arrays.asList(classpathPlugins));
}
public void testAdditionalSettings() {
Settings settings = Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir())
.put("my.setting", "test")
.put(IndexModule.INDEX_STORE_TYPE_SETTING.getKey(), IndexModule.Type.SIMPLEFS.getSettingsKey()).build();
PluginsService service = newPluginsService(settings, AdditionalSettingsPlugin1.class);
Settings newSettings = service.updatedSettings();
assertEquals("test", newSettings.get("my.setting")); // previous settings still exist
assertEquals("1", newSettings.get("foo.bar")); // added setting exists
assertEquals(IndexModule.Type.SIMPLEFS.getSettingsKey(), newSettings.get(IndexModule.INDEX_STORE_TYPE_SETTING.getKey())); // does not override pre existing settings
}
public void testAdditionalSettingsClash() {
Settings settings = Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir()).build();
PluginsService service = newPluginsService(settings, AdditionalSettingsPlugin1.class, AdditionalSettingsPlugin2.class);
try {
service.updatedSettings();
fail("Expected exception when building updated settings");
} catch (IllegalArgumentException e) {
String msg = e.getMessage();
assertTrue(msg, msg.contains("Cannot have additional setting [foo.bar]"));
assertTrue(msg, msg.contains("plugin [additional-settings1]"));
assertTrue(msg, msg.contains("plugin [additional-settings2]"));
}
}
public void testOnModuleExceptionsArePropagated() {
Settings settings = Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir()).build();
PluginsService service = newPluginsService(settings, FailOnModule.class);
try {
service.processModule(new BrokenModule());
fail("boom");
} catch (ElasticsearchException ex) {
assertEquals("failed to invoke onModule", ex.getMessage());
assertEquals("boom", ex.getCause().getCause().getMessage());
}
}
public void testExistingPluginMissingDescriptor() throws Exception {
Path pluginsDir = createTempDir();
Files.createDirectory(pluginsDir.resolve("plugin-missing-descriptor"));
try {
PluginsService.getPluginBundles(pluginsDir);
fail();
} catch (IllegalStateException e) {
assertTrue(e.getMessage(), e.getMessage().contains("Could not load plugin descriptor for existing plugin"));
}
}
}
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