Open/Close index api have allow_no_indices set to false by default, while delete index has it set to true. The flag controls where a wildcard expression that matches no indices will be ignored or an error will be thrown instead. This commit aligns open/close default behaviour to that of delete index.
Relates to #22024
On top of documentation, the PR adds deprecation loggers and deals with the resulting warning headers.
The yaml test is set exclude versions up to 6.0. This is need to make sure bwc tests pass until this is backported to 5.2.0 . Once that's done, I will change the yaml test version limits
0219a211d3 added support for templates
to have multiple patterns and renamed `template` to `index_patterns`.
This adds the breaking changes docs for that.
Clinton Gormley
Luca Cavanna
Lee Hinman
Boaz Leskes
Nik Everett