[#804] ape: Implement boltdb storage for local overrides

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>

pkg/services/control/server/server.go

@@ -9,6 +9,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/engine"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/control"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/replicator"
+	policyengine "git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
 )
 
 // Server is an entity that serves
@@ -51,6 +52,14 @@ type NodeState interface {
 	ForceMaintenance() error
 }
 
+// LocalOverrideStorageDecorator interface provides methods to decorate LocalOverrideEngine
+// interface methods.
+type LocalOverrideStorageDecorator interface {
+	// LocalStorage method can be decorated by using sync primitives in the case if the local
+	// override storage state should be consistent for chain router.
+	LocalStorage() policyengine.LocalOverrideStorage
+}
+
 // Option of the Server's constructor.
 type Option func(*cfg)
 
@@ -65,7 +74,7 @@ type cfg struct {
 
 	cnrSrc container.Source
 
-	apeChainSrc container.AccessPolicyEngineChainSource
+	localOverrideStorage LocalOverrideStorageDecorator
 
 	replicator *replicator.Replicator
 
@@ -160,10 +169,10 @@ func WithTreeService(s TreeService) Option {
 	}
 }
 
-// WithAPEChainSource returns the option to set access policy engine
-// chain source.
-func WithAPEChainSource(apeChainSrc container.AccessPolicyEngineChainSource) Option {
+// WithLocalOverrideStorage returns the option to set access policy engine
+// chain override storage.
+func WithLocalOverrideStorage(localOverrideStorage LocalOverrideStorageDecorator) Option {
 	return func(c *cfg) {
-		c.apeChainSrc = apeChainSrc
+		c.localOverrideStorage = localOverrideStorage
 	}
 }