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Add a template parameter to override auto_create_index value (elastic…
…#61858) Closes elastic#20640. This PR introduces a new parameter to v2 templates, `allow_auto_create`, which allows templates to override the cluster setting `auto_create_index`. Notes: * `AutoCreateIndex` now looks for a matching v2 template, and if its `allow_auto_create` setting is true, it overrides the usual logic. * `TransportBulkAction` previously used `AutoCreateIndex` to check whether missing indices should be created. We now rely on `AutoCreateAction`, which was already differentiating between creating indices and creating data streams. I've updated `AutoCreateAction` to use `AutoCreateIndex`. Data streams are also influenced by `allow_auto_create`, in that their default auto-create behaviour can be disabled with this setting. * Most of the Java file changes are due to introducing an extra constructor parameter to `ComposableIndexTemplate`. * I've added the new setting to various x-pack templates * I added a YAML test to check that watches can be created even when `auto_create_index` is `false`.
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qa/smoke-test-http/src/test/java/org/elasticsearch/http/AutoCreateIndexIT.java
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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. | ||
| */ | ||
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| package org.elasticsearch.http; | ||
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| import org.elasticsearch.action.support.AutoCreateIndex; | ||
| import org.elasticsearch.client.Request; | ||
| import org.elasticsearch.client.Response; | ||
| import org.elasticsearch.client.ResponseException; | ||
| import org.elasticsearch.common.Strings; | ||
| import org.elasticsearch.common.io.Streams; | ||
| import org.elasticsearch.common.xcontent.XContentBuilder; | ||
| import org.elasticsearch.common.xcontent.json.JsonXContent; | ||
| import org.elasticsearch.test.rest.ESRestTestCase; | ||
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| import java.io.IOException; | ||
| import java.io.InputStreamReader; | ||
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| import static java.nio.charset.StandardCharsets.UTF_8; | ||
| import static org.hamcrest.Matchers.containsString; | ||
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| public class AutoCreateIndexIT extends ESRestTestCase { | ||
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| /** | ||
| * Check that setting {@link AutoCreateIndex#AUTO_CREATE_INDEX_SETTING} to <code>false</code> | ||
| * disable the automatic creation on indices. | ||
| */ | ||
| public void testCannotAutoCreateIndexWhenDisabled() throws IOException { | ||
| configureAutoCreateIndex(false); | ||
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| // Attempt to add a document to a non-existing index. Auto-creating the index should fail owing to the setting above. | ||
| final Request indexDocumentRequest = new Request("POST", "recipe_kr/_doc/123456"); | ||
| indexDocumentRequest.setJsonEntity("{ \"name\": \"Kimchi\" }"); | ||
| final ResponseException responseException = expectThrows(ResponseException.class, this::indexDocument); | ||
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| assertThat( | ||
| Streams.copyToString(new InputStreamReader(responseException.getResponse().getEntity().getContent(), UTF_8)), | ||
| containsString("no such index [recipe_kr] and [action.auto_create_index] is [false]") | ||
| ); | ||
| } | ||
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| /** | ||
| * Check that automatically creating an index is allowed, even when {@link AutoCreateIndex#AUTO_CREATE_INDEX_SETTING} | ||
| * is <code>false</code>, when the index name matches a template and that template has <code>allow_auto_create</code> | ||
| * set to <code>true</code>. | ||
| */ | ||
| public void testCanAutoCreateIndexWhenAllowedByTemplate() throws IOException { | ||
| configureAutoCreateIndex(false); | ||
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| createTemplateWithAllowAutoCreate(true); | ||
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| // Attempt to add a document to a non-existing index. Auto-creating the index should succeed because the index name | ||
| // matches the template pattern | ||
| assertOK(this.indexDocument()); | ||
| } | ||
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| /** | ||
| * Check that automatically creating an index is disallowed when the index name matches a template and that template has | ||
| * <code>allow_auto_create</code> explicitly to <code>false</code>, even when {@link AutoCreateIndex#AUTO_CREATE_INDEX_SETTING} | ||
| * is set to <code>true</code>. | ||
| */ | ||
| public void testCannotAutoCreateIndexWhenDisallowedByTemplate() throws IOException { | ||
| configureAutoCreateIndex(true); | ||
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| createTemplateWithAllowAutoCreate(false); | ||
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| // Attempt to add a document to a non-existing index. Auto-creating the index should succeed because the index name | ||
| // matches the template pattern | ||
| final ResponseException responseException = expectThrows(ResponseException.class, this::indexDocument); | ||
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| assertThat( | ||
| Streams.copyToString(new InputStreamReader(responseException.getResponse().getEntity().getContent(), UTF_8)), | ||
| containsString("no such index [composable template [recipe*] forbids index auto creation]") | ||
| ); | ||
| } | ||
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| private void configureAutoCreateIndex(boolean value) throws IOException { | ||
| XContentBuilder builder = JsonXContent.contentBuilder() | ||
| .startObject() | ||
| .startObject("transient") | ||
| .field(AutoCreateIndex.AUTO_CREATE_INDEX_SETTING.getKey(), value) | ||
| .endObject() | ||
| .endObject(); | ||
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| final Request settingsRequest = new Request("PUT", "_cluster/settings"); | ||
| settingsRequest.setJsonEntity(Strings.toString(builder)); | ||
| final Response settingsResponse = client().performRequest(settingsRequest); | ||
| assertOK(settingsResponse); | ||
| } | ||
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| private void createTemplateWithAllowAutoCreate(Boolean allowAutoCreate) throws IOException { | ||
| XContentBuilder builder = JsonXContent.contentBuilder() | ||
| .startObject() | ||
| .array("index_patterns", "recipe*") | ||
| .field("allow_auto_create", allowAutoCreate) | ||
| .endObject(); | ||
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| final Request createTemplateRequest = new Request("PUT", "_index_template/recipe_template"); | ||
| createTemplateRequest.setJsonEntity(Strings.toString(builder)); | ||
| final Response createTemplateResponse = client().performRequest(createTemplateRequest); | ||
| assertOK(createTemplateResponse); | ||
| } | ||
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| private Response indexDocument() throws IOException { | ||
| final Request indexDocumentRequest = new Request("POST", "recipe_kr/_doc/123456"); | ||
| indexDocumentRequest.setJsonEntity("{ \"name\": \"Kimchi\" }"); | ||
| return client().performRequest(indexDocumentRequest); | ||
| } | ||
| } |
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