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Philip Conrad
ac20ef2bf5
This commit integrates the non-deterministic builtins caching system
into decision logging, both in the server and sdk packages. Some
reworking of the NDBCache's serialization format were required to
accommodate this. The feature is disabled by default, and must be
opted into by user configuration.
The feature can be enabled via a top-level config key:
nd_builtin_cache=true
The NDBCache is exposed to the masking system under the
`/nd_builtin_cache` path, which allows masking or dropping sensitive
values from decision logs selectively.
Note: If a decision log event exceeds the `upload_size_limit_bytes`
value for the OPA instance, OPA will reattempt uploading it, after
dropping the NDBCache from the event. This behavior will trigger a log
error, and will increment the `decision_logs_nd_builtin_cache_dropped`
metrics counter.
Fixes: #1514
Signed-off-by: Philip Conrad <philipaconrad@gmail.com>