[7.x] ILM: add support for rolling over data streams (#57295) #57515
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As the datastream information is stored in the
ClusterState.Metadata
we exposedthe
Metadata
to theAsyncWaitStep#evaluateCondition
method in order forthe steps to be able to identify when a managed index is part of a DataStream.
If a managed index is part of a DataStream the rollover target is the DataStream
name and the highest generation index is the write index (ie. the rolled index).
(cherry picked from commit 6b410df)
Signed-off-by: Andrei Dan [email protected]
Backport of #57295