Phil Freeman 7fffc11077 Caching, Rate Limiting, Metrics & Session Variable Improvements (#376) ... * server: use a leaky bucket algorithm for bytes-per-second cache rate limiting * Use evalsha properly * Adds redis cache limit parameters to PoliciesConfig * Loads Leaky Bucket Script On Server Start * Adds more redis logging and moves cache update into lua script * reverts setex in lua and adds notes * Refactors cacheStore and adds max TTL and cache size limits * Filter session vars in cache key * WIP * parens * cache-clear-hander POC implementation * cache-clear-hander POC implementation * Pro projectId used as cache key * POC working! * prefixing query-response keys in redis * Add cacheClearer to RedisScripts * Partial implementation of cacheClearer from scripts record * updating tests * [automated] stylish-haskell commit * Adds query look with up with metrics script * Adds missing module and lua script from last commit * Changes redis script module structure to match cache clearing branch * minor change to lua script * cleaning up cache clearing * generalising JsonLog * [automated] stylish-haskell commit * Draft Cache Metrics Endpoint * Adds Cache Metrics Handler * Adds hook handler module * Missed HandlerHook module in last commit * glob * Fixes redis mget bug * Removes cache totals and changes dashes to colons in metric cache keys * Adds query param to clear clear endpoint for deleting specific keys * Adds query param to clear clear endpoint for deleting specific keys * Cache Metrics on query families rather then queries * Replace Set with nub * Base16 Redis Hashes * Query Family Redis Keys With Roles * response headers for cache keys * fixing bug in family key by excluding operation name; using hash for response header instead of entire key * Adds query family to redis cache keys and cache clear endpoint * Fixes queryfamily hash bug * Moves cache endpoints to /pro * Moved cache clear to POST * Refactors cache clear function * Fixes query family format bug * Adds query cache tests and optional --redis-url flag to python test suite * Adds session variable cache test * Update pro changelog * adding documentation for additional caching features * more docs * clearing up units of leaky bucket params * Adds comments to leaky bucket script * removes old todo * Fixes session variable filtering to work with new query rootfield * more advanced defaulting behaviour for bucket rate and capacity. * Updates Docs * Moves Role into QueryFamily hash * Use Aeson for Cache Clear endpoint response * Moves trace to bracket the leaky bucket script * Misc review tweaks * Adds sum type for cache clear query params * Hardcodes RegisReplyLog log level * Update docs/graphql/cloud/response-caching.rst Co-authored-by: Phil Freeman <phil@hasura.io> * new prose for rate limiting docs * [automated] stylish-haskell commit * make rootToSessVarPreds total * [automated] stylish-haskell commit * Fixes out of scope error * Renamed _acRedis to _acCacheStore Co-authored-by: Solomon Bothwell <ssbothwell@gmail.com> Co-authored-by: Lyndon Maydwell <lyndon@sordina.net> Co-authored-by: David Overton <david@hasura.io> Co-authored-by: Stylish Haskell Bot <stylish-haskell@users.noreply.github.com> Co-authored-by: Lyndon Maydwell <lyndon@hasura.io> GitOrigin-RevId: dda5c1a3f902967b3d78310f950541a55fabb1b0		2021-02-13 00:06:18 +00:00
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Main.hs	Caching, Rate Limiting, Metrics & Session Variable Improvements (#376)	2021-02-13 00:06:18 +00:00