Encryption: Add support for data keys re-encryption (#43548) (#44814)

* Encryption: Add support for data keys re-encryption

* Add tests for data keys re-encryption

* Update code after refactorings

Co-authored-by: Leonard Gram <leo@xlson.com>
(cherry picked from commit b2655750e8)

Co-authored-by: Joan López de la Franca Beltran <5459617+joanlopez@users.noreply.github.com>

pkg/services/secrets/fakes/fake_service.go

@@ -40,6 +40,10 @@ func (f FakeSecretsService) GetDecryptedValue(_ context.Context, sjd map[string]
 	return fallback
 }
 
+func (f FakeSecretsService) ReEncryptDataKeys(_ context.Context) error {
+	return nil
+}
+
 func (f FakeSecretsService) CurrentProviderID() string {
 	return "fakeProvider"
 }

pkg/services/secrets/fakes/fake_store.go

@@ -45,3 +45,7 @@ func (f FakeSecretsStore) DeleteDataKey(_ context.Context, name string) error {
 	delete(f.store, name)
 	return nil
 }
+
+func (f FakeSecretsStore) ReEncryptDataKeys(_ context.Context, _ map[secrets.ProviderID]secrets.Provider, _ secrets.ProviderID) error {
+	return nil
+}