Alerting/Annotations: Return nothing from historian store if filtering by tags and matchAny is false (#85488)
* Return nothing from historian store if filtering by tag
(cherry picked from commit cad8190a91)
Co-authored-by: William Wernert <william.wernert@grafana.com>
Alerting: Clamp Loki ASH range query to configured max_query_length (#83986)
* Clamp range in loki http client to configured max_query_length
Defaults to 721h to match Loki default
(cherry picked from commit 97f37b2e6f)
Co-authored-by: William Wernert <william.wernert@grafana.com>
Alerting/Annotations: Prevent panics from composite store jobs from crashing Grafana (#83459)
* Don't directly use pointer to json
* Don't crash entire process if a store job panics
* Add debug logs when failing to parse/handle Loki entries
(cherry picked from commit af528d2f66)
Co-authored-by: William Wernert <william.wernert@grafana.com>
* streamline initialization of test databases, support on-disk sqlite test db
* clean up test databases
* introduce testsuite helper
* use testsuite everywhere we use a test db
* update documentation
* improve error handling
* disable entity integration test until we can figure out locking error
* Move scope type vars to testutil package
* Expose parts of state historian for use in annotation backend
* Implement Loki ASH Annotation store
This store will only implement the `Get` method of a RepositoryImpl since alert state history
writes to Loki elsewhere.
* Use interface for Loki HTTP Client
* Add tests for Loki ASH Annotation store
* Add missing test
* Fix lint
* Organize tests
* Add filter tests
* Improve tests
* Move filter logic into outer function
* Fix lint
* Add comment
* Fix tests
* Fix lint
* Rename historian store + refactor
* Cleanup historian store
* Fix tests
* Minor cleanup
* Use new `ShouldRecordAnnotation` filter
* Fix logic and add tests for this check
* Fix typos, remove unused variables, `< 1` -> `== 0`
* More closely mimic RBAC filter from xorm to ensure correct logic
* Move off weaveworks client
* Address PR comments
* Add Loki historian store stub
* Add composite store
* Use composite store if Loki historian enabled
* Split store interface into read/write
* Make composite + historian stores read only
* Use variadic constructor for composite
* Modify Loki store enable logic
* Use dskit.concurrency.ForEachJob for parallelism
