Set synthetic source mode on new data streams

[jsoriano]

Make elastic-package create to set source_mode: synthetic on new data streams. So this mode is enabled by default once elastic/kibana#141211 is ready.

This flag was added to the spec in elastic/package-spec#419. Synthetic source mode can be manually enabled through the UI since elastic/kibana#140095.

[juliaElastic]

@jsoriano Does this issue need QA validation?

[jsoriano]

@jsoriano Does this issue need QA validation?

I think it will be enough with testing it during review. @mrodm wdyt?

[ebeahan]

Make elastic-package create to set source_mode: synthetic on new data streams.

Will synthetic mode be default for all new data streams or just metric data streams?

[mrodm]

@jsoriano Does this issue need QA validation?

I think it will be enough with testing it during review. @mrodm wdyt?

I would say it is enough with the testing done during the review (PR) process. Ensuring that the configuration written in the data stream manifest corresponds with the settings introduced by the user while running elastic-package create data-stream command.

[mrodm]

Make elastic-package create to set source_mode: synthetic on new data streams.

Will synthetic mode be default for all new data streams or just metric data streams?

@ebeahan I was thinking to just allow that mode in case users/developers choose to create a metrics data stream in the package.

This means that elastic-package would show a question to the user/developer to choose if they want to enable synthetics or not. If they chose to create a logs data stream, no question will be shown and there would not be any changes in the configuration.

Would that make sense @jsoriano @ebeahan ?

[jsoriano]

@ebeahan I was thinking to just allow that mode in case users/developers choose to create a metrics data stream in the package.

This means that elastic-package would show a question to the user/developer to choose if they want to enable synthetics or not. If they chose to create a logs data stream, no question will be shown and there would not be any changes in the configuration.

Would that make sense @jsoriano @ebeahan ?

Makes sense to me, yes.

[ebeahan]

++ yes, makes sense to me as well.