Failing ES Promotion: apis index_patterns index_patterns/_fields_for_wildcard route response always returns a field for all passed meta fields

[tylersmalley]

This failure is preventing the promotion of the current Elasticsearch nightly snapshot.

For more information on the Elasticsearch snapshot promotion process: https://www.elastic.co/guide/en/kibana/master/development-es-snapshots.html

       │ info [o.e.c.m.MetadataMappingService] [desktop] [.kibana_1/Z8LNqI-MQmq_M2F7VX-l0Q] update_mapping [_doc]
       └-: apis
         └-> "before all" hook
         └-: index_patterns
           └-> "before all" hook
           └-: index_patterns/_fields_for_wildcard route
             └-> "before all" hook
             └-: response
               └-> "before all" hook
               └-> "before all" hook
                 │ info [index_patterns/basic_index] Loading "mappings.json"
                 │ info [index_patterns/basic_index] Loading "data.json.gz"
                 │ info [o.e.c.m.MetadataCreateIndexService] [desktop] [basic_index] creating index, cause [api], templates [], shards [1]/[1]
                 │ info [index_patterns/basic_index] Created index "basic_index"
                 │ info [index_patterns/basic_index] Indexed 1 docs into "basic_index"
               └-> always returns a field for all passed meta fields
                 └-> "before each" hook: global before each
                 └- ✖ fail: apis index_patterns index_patterns/_fields_for_wildcard route response always returns a field for all passed meta fields
                 │       Error: expected { fields:
                 │    [ { aggregatable: true,
                 │        name: '_id',
                 │        esTypes: [Array],
                 │        readFromDocValues: false,
                 │        searchable: true,
                 │        type: 'string' },
                 │      { aggregatable: false,
                 │        name: '_source',
                 │        esTypes: [Array],
                 │        readFromDocValues: false,
                 │        searchable: false,
                 │        type: '_source' },
                 │      { type: 'boolean',
                 │        esTypes: [Array],
                 │        searchable: true,
                 │        aggregatable: true,
                 │        name: 'bar',
                 │        readFromDocValues: true },
                 │      { aggregatable: false,
                 │        name: 'baz',
                 │        esTypes: [Array],
                 │        readFromDocValues: false,
                 │        searchable: true,
                 │        type: 'string' },
                 │      { type: 'string',
                 │        esTypes: [Array],
                 │        searchable: true,
                 │        aggregatable: true,
                 │        name: 'baz.keyword',
                 │        readFromDocValues: true,
                 │        subType: [Object] },
                 │      { aggregatable: false,
                 │        name: 'crazy_meta_field',
                 │        readFromDocValues: false,
                 │        searchable: false,
                 │        type: 'string' },
                 │      { type: 'number',
                 │        esTypes: [Array],
                 │        searchable: true,
                 │        aggregatable: true,
                 │        name: 'foo',
                 │        readFromDocValues: true },
                 │      { aggregatable: true,
                 │        esTypes: [Array],
                 │        name: 'nestedField.child',
                 │        readFromDocValues: true,
                 │        searchable: true,
                 │        subType: [Object],
                 │        type: 'string' } ] } response body, got { fields:
                 │    [ { name: '_id',
                 │        type: 'string',
                 │        esTypes: [Array],
                 │        searchable: true,
                 │        aggregatable: false,
                 │        readFromDocValues: false },
                 │      { name: '_source',
                 │        type: '_source',
                 │        esTypes: [Array],
                 │        searchable: false,
                 │        aggregatable: false,
                 │        readFromDocValues: false },
                 │      { name: 'bar',
                 │        type: 'boolean',
                 │        esTypes: [Array],
                 │        searchable: true,
                 │        aggregatable: true,
                 │        readFromDocValues: true },
                 │      { name: 'baz',
                 │        type: 'string',
                 │        esTypes: [Array],
                 │        searchable: true,
                 │        aggregatable: false,
                 │        readFromDocValues: false },
                 │      { name: 'baz.keyword',
                 │        type: 'string',
                 │        esTypes: [Array],
                 │        searchable: true,
                 │        aggregatable: true,
                 │        readFromDocValues: true,
                 │        subType: [Object] },
                 │      { name: 'crazy_meta_field',
                 │        type: 'string',
                 │        searchable: false,
                 │        aggregatable: false,
                 │        readFromDocValues: false },
                 │      { name: 'foo',
                 │        type: 'number',
                 │        esTypes: [Array],
                 │        searchable: true,
                 │        aggregatable: true,
                 │        readFromDocValues: true },
                 │      { name: 'nestedField.child',
                 │        type: 'string',
                 │        esTypes: [Array],
                 │        searchable: true,
                 │        aggregatable: true,
                 │        readFromDocValues: true,
                 │        subType: [Object] } ] }
                 │       + expected - actual
                 │
                 │        {
                 │          "fields": [
                 │            {
                 │       -      "aggregatable": false
                 │       +      "aggregatable": true
                 │              "esTypes": [
                 │                "_id"
                 │              ]
                 │              "name": "_id"
                 │
                 │       at error (node_modules/supertest/lib/test.js:301:13)
                 │       at Test._assertBody (node_modules/supertest/lib/test.js:205:14)
                 │       at Test._assertFunction (node_modules/supertest/lib/test.js:283:11)
                 │       at Test.assert (node_modules/supertest/lib/test.js:173:18)
                 │       at assert (node_modules/supertest/lib/test.js:131:12)
                 │       at /home/tyler/elastic/kibana/node_modules/supertest/lib/test.js:128:5
                 │       at Test.Request.callback (node_modules/superagent/lib/node/index.js:706:12)
                 │       at parser (node_modules/superagent/lib/node/index.js:906:18)
                 │       at Stream.res.on (node_modules/superagent/lib/node/parsers/json.js:19:7)
                 │       at Unzip.unzip.on (node_modules/superagent/lib/node/unzip.js:55:12)
                 │       at endReadableNT (_stream_readable.js:1145:12)
                 │       at process._tickCallback (internal/process/next_tick.js:63:19)

I believe this might be caused by elastic/elasticsearch#63197

[elasticmachine]

Pinging @elastic/kibana-app-arch (Team:AppArch)

[tylersmalley]

Skipped in order to unblock the snapshot which is needed in order to branch 7.10. Please determine if this needs addressed upstream with ES, or the test needs to be updated. Thanks.

master/8.0: 019e2ad
7.x/7.10: 96dbf53