Zanzana: Initial dashboard search (#93093)

* Zanzana: Search in a background and compare results

* refactor

* Search with check

* instrument zanzana client

* add single_read option

* refactor

* refactor move check into separate function

* Fix tests

* refactor

* refactor getFindDashboardsFn

* add resource type to span attributes

* run ListObjects concurrently

* Use list and search in less cases

* adjust metrics buckets

* refactor: move Check and ListObjects to AccessControl implementation

* Revert "Fix tests"

This reverts commit b0c2f072a2.

* refactor: use own types for Check and ListObjects inside accesscontrol package

* Fix search scenario with low limit and empty query string

* more accurate search with checks

* revert

* fix linter

* Revert "revert"

This reverts commit ee5f14eea8.

* add search errors metric

* fix query performance under some conditions

* simplify check strategy

* fix pagination

* refactor findDashboardsZanzanaList

* Iterate over multiple pages while making check request

* refactor listUserResources

* avoid unnecessary db call

* remove unused zclient

* Add notes for SkipAccessControlFilter

* use more accurate check loop

* always use check for search with provided UIDs

* rename single_read to zanzana_only_evaluation

* refactor

* update go workspace

* fix linter

* don't use deprecated fields

* refactor

* fail if no org specified

* refactor

* initial integration tests

* Fix tests

* fix linter errors

* fix linter

* Fix tests

* review suggestions

Co-authored-by: Gabriel MABILLE <gamab@users.noreply.github.com>

* fix limit

* refactor

* refactor tests

* fix db config in tests

* fix migrator (postgres)

---------

Co-authored-by: Gabriel MABILLE <gamab@users.noreply.github.com>

pkg/services/accesscontrol/models.go

@@ -585,3 +585,15 @@ type QueryWithOrg struct {
 	OrgId  *int64 `json:"orgId"`
 	Global bool   `json:"global"`
 }
+
+type CheckRequest struct {
+	User     string
+	Relation string
+	Object   string
+}
+
+type ListObjectsRequest struct {
+	Type     string
+	Relation string
+	User     string
+}