happyDomain/checker-sdk-go
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  • v1.11.0 33660e619e

    checker: add ObservationSharer interface for result mutualisation

    nemunaire released this 2026-06-18 06:06:21 +00:00 | 0 commits to master since this release

    Add an optional ObservationSharer interface that an ObservationProvider can
    implement to declare that its observation depends only on a subset of the
    inputs. ShareKey returns a stable, pure key derived from the inputs that
    affect the result; two collections with the same key produce identical data,
    letting the host serve one from the other instead of recollecting per target.

    This is the contract a host (happyDomain) uses to mutualise expensive probes
    (e.g. a single ping per address set) across every check target that resolves
    to the same key, while providers that depend on the target (HTTP host, ...)
    simply do not implement it and keep per-target behaviour.

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