Add update-policy! and auto-update on conflict for OpenSearch ISM#46
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Add update-policy! and auto-update on conflict for OpenSearch ISM#46
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- Add get-policy-raw function to retrieve full API response including _seq_no and _primary_term metadata needed for OpenSearch ISM updates - Add update-policy! function that handles optimistic locking for OpenSearch ISM (requires seq_no and primary_term query params) - Modify create-policy! to catch 409 Conflict errors and automatically retry with update-policy!, making policy creation idempotent - Add integration tests for policy update functionality OpenSearch ISM requires version control parameters for updates, unlike Elasticsearch ILM which allows simple PUT overwrites. This change makes the API consistent across both engines.
gbuisson
requested review from
DeLaGuardo,
ereteog,
frenchy64,
marioaquino,
msprunck and
yogsototh
as code owners
ereteog
approved these changes
Dec 11, 2025
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OpenSearch ISM requires version control parameters for updates, unlike Elasticsearch ILM which allows simple PUT overwrites. This change makes the API consistent across both engines.