[Bugfix] Fix backup creation timeout (#952)

Author: ajanikow

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## [master](https://github.com/arangodb/kube-arangodb/tree/master) (N/A)
 - (Feature) Allow configuration for securityContext.runAsUser value
 - (Bugfix) Fix Satellite collections in Agency
+- (Bugfix) Fix backup creation timeout
 
 ## [1.2.9](https://github.com/arangodb/kube-arangodb/tree/1.2.9) (2022-03-30)
 - (Feature) Improve Kubernetes clientsets management

pkg/handlers/backup/arango_client_impl.go

@@ -75,8 +75,7 @@ func (ac *arangoClientBackupImpl) List() (map[driver.BackupID]driver.BackupMeta,
 }
 
 func (ac *arangoClientBackupImpl) Create() (ArangoBackupCreateResponse, error) {
-	ctx, cancel := context.WithTimeout(context.Background(), defaultArangoClientTimeout)
-	defer cancel()
+	dt := defaultArangoClientTimeout
 
 	co := driver.BackupCreateOptions{}
 
@@ -86,9 +85,13 @@ func (ac *arangoClientBackupImpl) Create() (ArangoBackupCreateResponse, error) {
 		}
 		if timeout := opt.Timeout; timeout != nil {
 			co.Timeout = time.Duration(*timeout * float32(time.Second))
+			dt += co.Timeout
 		}
 	}
 
+	ctx, cancel := context.WithTimeout(context.Background(), dt)
+	defer cancel()
+
 	id, resp, err := ac.driver.Backup().Create(ctx, &co)
 	if err != nil {
 		return ArangoBackupCreateResponse{}, err