[7.x] [TSVB] Fields dropdowns are not populated if one of the indices is missing (#77363)

docs/development/plugins/data/server/kibana-plugin-plugins-data-server.indexpatternsfetcher.getfieldsforwildcard.md

@@ -12,14 +12,17 @@ Get a list of field objects for an index pattern that may contain wildcards
 getFieldsForWildcard(options: {
         pattern: string | string[];
         metaFields?: string[];
+        fieldCapsOptions?: {
+            allowNoIndices: boolean;
+        };
     }): Promise<FieldDescriptor[]>;
 ```
 
 ## Parameters
 
 |  Parameter | Type | Description |
 |  --- | --- | --- |
-|  options | <code>{</code><br/><code>        pattern: string &#124; string[];</code><br/><code>        metaFields?: string[];</code><br/><code>    }</code> |  |
+|  options | <code>{</code><br/><code>        pattern: string &#124; string[];</code><br/><code>        metaFields?: string[];</code><br/><code>        fieldCapsOptions?: {</code><br/><code>            allowNoIndices: boolean;</code><br/><code>        };</code><br/><code>    }</code> |  |
 
 <b>Returns:</b>
 

src/plugins/data/server/index_patterns/fetcher/index_patterns_fetcher.ts

@@ -55,9 +55,10 @@ export class IndexPatternsFetcher {
   async getFieldsForWildcard(options: {
     pattern: string | string[];
     metaFields?: string[];
+    fieldCapsOptions?: { allowNoIndices: boolean };
   }): Promise<FieldDescriptor[]> {
-    const { pattern, metaFields } = options;
-    return await getFieldCapabilities(this._callDataCluster, pattern, metaFields);
+    const { pattern, metaFields, fieldCapsOptions } = options;
+    return await getFieldCapabilities(this._callDataCluster, pattern, metaFields, fieldCapsOptions);
   }
 
   /**

src/plugins/data/server/index_patterns/fetcher/lib/es_api.ts

@@ -69,15 +69,20 @@ export async function callIndexAliasApi(
  *
  *  @param  {Function} callCluster bound function for accessing an es client
  *  @param  {Array<String>|String} indices
+ *  @param  {Object} fieldCapsOptions
  *  @return {Promise<FieldCapsResponse>}
  */
-export async function callFieldCapsApi(callCluster: LegacyAPICaller, indices: string[] | string) {
+export async function callFieldCapsApi(
+  callCluster: LegacyAPICaller,
+  indices: string[] | string,
+  fieldCapsOptions: { allowNoIndices: boolean } = { allowNoIndices: false }
+) {
   try {
     return (await callCluster('fieldCaps', {
       index: indices,
       fields: '*',
       ignoreUnavailable: true,
-      allowNoIndices: false,
+      ...fieldCapsOptions,
     })) as FieldCapsResponse;
   } catch (error) {
     throw convertEsError(indices, error);

src/plugins/data/server/index_patterns/fetcher/lib/field_capabilities/field_capabilities.test.js

@@ -61,7 +61,7 @@ describe('index_patterns/field_capabilities/field_capabilities', () => {
 
       await getFieldCapabilities(footballs[0], footballs[1]);
       sinon.assert.calledOnce(callFieldCapsApi);
-      calledWithExactly(callFieldCapsApi, [footballs[0], footballs[1]]);
+      calledWithExactly(callFieldCapsApi, [footballs[0], footballs[1], undefined]);
     });
   });
 

src/plugins/data/server/index_patterns/fetcher/lib/field_capabilities/field_capabilities.ts

@@ -32,14 +32,20 @@ import { FieldDescriptor } from '../../index_patterns_fetcher';
  *  @param  {Function} callCluster bound function for accessing an es client
  *  @param  {Array}  [indices=[]]  the list of indexes to check
  *  @param  {Array}  [metaFields=[]] the list of internal fields to include
+ *  @param  {Object} fieldCapsOptions
  *  @return {Promise<Array<FieldDescriptor>>}
  */
 export async function getFieldCapabilities(
   callCluster: LegacyAPICaller,
   indices: string | string[] = [],
-  metaFields: string[] = []
+  metaFields: string[] = [],
+  fieldCapsOptions?: { allowNoIndices: boolean }
 ) {
-  const esFieldCaps: FieldCapsResponse = await callFieldCapsApi(callCluster, indices);
+  const esFieldCaps: FieldCapsResponse = await callFieldCapsApi(
+    callCluster,
+    indices,
+    fieldCapsOptions
+  );
   const fieldsFromFieldCapsByName = keyBy(readFieldCapsResponse(esFieldCaps), 'name');
 
   const allFieldsUnsorted = Object.keys(fieldsFromFieldCapsByName)

src/plugins/data/server/server.api.md

@@ -689,6 +689,9 @@ export class IndexPatternsFetcher {
     getFieldsForWildcard(options: {
         pattern: string | string[];
         metaFields?: string[];
+        fieldCapsOptions?: {
+            allowNoIndices: boolean;
+        };
     }): Promise<IndexPatternFieldDescriptor[]>;
 }
 

src/plugins/vis_type_timeseries/server/lib/get_fields.ts

@@ -16,15 +16,16 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-import { uniqBy } from 'lodash';
+import { uniqBy, get } from 'lodash';
 import { first, map } from 'rxjs/operators';
 import { KibanaRequest, RequestHandlerContext } from 'kibana/server';
 
-// @ts-ignore
-import { getIndexPatternObject } from './vis_data/helpers/get_index_pattern';
-import { indexPatterns } from '../../../data/server';
 import { Framework } from '../plugin';
-import { IndexPatternFieldDescriptor, IndexPatternsFetcher } from '../../../data/server';
+import {
+  indexPatterns,
+  IndexPatternFieldDescriptor,
+  IndexPatternsFetcher,
+} from '../../../data/server';
 import { ReqFacade } from './search_strategies/strategies/abstract_search_strategy';
 
 export async function getFields(
@@ -58,7 +59,15 @@ export async function getFields(
         .toPromise();
     },
   };
-  const { indexPatternString } = await getIndexPatternObject(reqFacade, indexPattern);
+  let indexPatternString = indexPattern;
+
+  if (!indexPatternString) {
+    const [, { data }] = await framework.core.getStartServices();
+    const indexPatternsService = await data.indexPatterns.indexPatternsServiceFactory(request);
+    const defaultIndexPattern = await indexPatternsService.getDefault();
+    indexPatternString = get(defaultIndexPattern, 'title', '');
+  }
+
   const {
     searchStrategy,
     capabilities,

src/plugins/vis_type_timeseries/server/lib/search_strategies/strategies/abstract_search_strategy.test.js

@@ -49,6 +49,7 @@ describe('AbstractSearchStrategy', () => {
     expect(fields).toBe(mockedFields);
     expect(req.pre.indexPatternsService.getFieldsForWildcard).toHaveBeenCalledWith({
       pattern: indexPattern,
+      fieldCapsOptions: { allowNoIndices: true },
     });
   });
 

src/plugins/vis_type_timeseries/server/lib/search_strategies/strategies/abstract_search_strategy.ts

@@ -84,6 +84,7 @@ export class AbstractSearchStrategy {
 
     return await indexPatternsService!.getFieldsForWildcard({
       pattern: indexPattern,
+      fieldCapsOptions: { allowNoIndices: true },
     });
   }
 

src/plugins/vis_type_timeseries/server/lib/vis_data/get_interval_and_timefield.js

@@ -17,12 +17,10 @@
  * under the License.
  */
 
-import { get } from 'lodash';
-
 const DEFAULT_TIME_FIELD = '@timestamp';
 
 export function getIntervalAndTimefield(panel, series = {}, indexPatternObject) {
-  const getDefaultTimeField = () => get(indexPatternObject, 'timeFieldName', DEFAULT_TIME_FIELD);
+  const getDefaultTimeField = () => indexPatternObject?.timeFieldName ?? DEFAULT_TIME_FIELD;
 
   const timeField =
     (series.override_index_pattern && series.series_time_field) ||