[9.0] Handle the indices pattern ["*", "-*"] when grouping indices by cluster name (#128610)#128842
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pawankartik-elastic merged 2 commits intoelastic:9.0from Jun 4, 2025
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…ster name (elastic#128610) The auth code injects the pattern `["*", "-*"]` to specify that it's okay to return an empty response because user's patterns did not match any remote clusters. However, we fail to recognise this specific pattern and `groupIndices()` eventually associates it with the local cluster. This causes Elasticsearch to fallback to the local cluster unknowingly and return its details back to the user even though the user hasn't requested any info about the local cluster. (cherry picked from commit 3f1e1b3) # Conflicts: # server/src/main/java/org/elasticsearch/transport/RemoteClusterService.java
pawankartik-elastic
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smalyshev
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Jun 3, 2025
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mainto9.0:["*", "-*"]when grouping indices by cluster name (#128610)Questions ?
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