* define initial service and add to wire
* update caching service interface
* add skipQueryCache header handler and update metrics query function to use it
* add caching service as a dependency to query service
* working caching impl
* propagate cache status to frontend in response
* beginning of improvements suggested by Lean - separate caching logic from query logic.
* more changes to simplify query function
* Decided to revert renaming of function
* Remove error status from cache request
* add extra documentation
* Move query caching duration metric to query package
* add a little bit of documentation
* wip: convert resource caching
* Change return type of query service QueryData to a QueryDataResponse with Headers
* update codeowners
* change X-Cache value to const
* use resource caching in endpoint handlers
* write resource headers to response even if it's not a cache hit
* fix panic caused by lack of nil check
* update unit test
* remove NONE header - shouldn't show up in OSS
* Convert everything to use the plugin middleware
* revert a few more things
* clean up unused vars
* start reverting resource caching, start to implement in plugin middleware
* revert more, fix typo
* Update caching interfaces - resource caching now has a separate cache method
* continue wiring up new resource caching conventions - still in progress
* add more safety to implementation
* remove some unused objects
* remove some code that I left in by accident
* add some comments, fix codeowners, fix duplicate registration
* fix source of panic in resource middleware
* Update client decorator test to provide an empty response object
* create tests for caching middleware
* fix unit test
* Update pkg/services/caching/service.go
Co-authored-by: Arati R. <33031346+suntala@users.noreply.github.com>
* improve error message in error log
* quick docs update
* Remove use of mockery. Update return signature to return an explicit hit/miss bool
* create unit test for empty request context
* rename caching metrics to make it clear they pertain to caching
* Update pkg/services/pluginsintegration/clientmiddleware/caching_middleware.go
Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>
* Add clarifying comments to cache skip middleware func
* Add comment pointing to the resource cache update call
* fix unit tests (missing dependency)
* try to fix mystery syntax error
* fix a panic
* Caching: Introduce feature toggle to caching service refactor (#66323)
* introduce new feature toggle
* hide calls to new service behind a feature flag
* remove licensing flag from toggle (misunderstood what it was for)
* fix unit tests
* rerun toggle gen
---------
Co-authored-by: Arati R. <33031346+suntala@users.noreply.github.com>
Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>
* add alerting squad as an owner of some feature flags
* remove flags from owneless
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Co-authored-by: Artur Wierzbicki <artur.wierzbicki@grafana.com>
