Add empty mapping check to createOrUpdateIndexTemplate

elastic · Jun 23, 2021 · 4ccf63a · 4ccf63a
1 parent bbd8335
commit 4ccf63a
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/x-pack/plugins/rule_registry/server/rule_data_client/index.ts b/x-pack/plugins/rule_registry/server/rule_data_client/index.ts
@@ -188,6 +188,7 @@ export class RuleDataClient implements IRuleDataClient {
     const { body: aliasExists } = await clusterClient.indices.existsAlias({
       name: alias,
     });
+
     const concreteIndexName = `${alias}-000001`;
 
     if (!aliasExists) {

diff --git a/x-pack/plugins/rule_registry/server/rule_data_plugin_service/index.ts b/x-pack/plugins/rule_registry/server/rule_data_plugin_service/index.ts
@@ -7,7 +7,7 @@
 import { ClusterPutComponentTemplate } from '@elastic/elasticsearch/api/requestParams';
 import { estypes } from '@elastic/elasticsearch';
 import { ElasticsearchClient, Logger } from 'kibana/server';
-import { merge } from 'lodash';
+import { isEmpty, merge } from 'lodash';
 import { technicalComponentTemplate } from '../../common/assets/component_templates/technical_component_template';
 import {
   DEFAULT_ILM_POLICY_ID,
@@ -132,6 +132,14 @@ export class RuleDataPluginService {
 
     const clusterClient = await this.getClusterClient();
     this.options.logger.debug(`Installing index template ${template.name}`);
+    const { body: simulateResponse } = await clusterClient.indices.simulateTemplate(template);
+    const mappings: estypes.MappingTypeMapping = simulateResponse.template.mappings;
+
+    if (isEmpty(mappings)) {
+      throw new Error(
+        'No mappings would be generated for this index, possibly due to failed/misconfigured bootstrapping'
+      );
+    }
     const mergedTemplate = merge(
       {
         body: {