17bd559253
Backport of #59076 to 7.x branch. The commit makes the following changes: * The timestamp field of a data stream definition in a composable index template can only be set to '@timestamp'. * Removed custom data stream timestamp field validation and reuse the validation from `TimestampFieldMapper` and instead only check that the _timestamp field mapping has been defined on a backing index of a data stream. * Moved code that injects _timestamp meta field mapping from `MetadataCreateIndexService#applyCreateIndexRequestWithV2Template58956(...)` method to `MetadataIndexTemplateService#collectMappings(...)` method. * Fixed a bug (#58956) that cases timestamp field validation to be performed for each template and instead of the final mappings that is created. * only apply _timestamp meta field if index is created as part of a data stream or data stream rollover, this fixes a docs test, where a regular index creation matches (logs-*) with a template with a data stream definition. Relates to #58642 Relates to #53100 Closes #58956 Closes #58583 |
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