fix(backup): modify backup target API to use OwnerIDFromBackupTarget

instead of `NodeHasDefaultEngineImage` because we should allow to modify a backup target without the `default` engine image. ref: longhorn/longhorn 5411, 10043 Signed-off-by: James Lu <[email protected]>
longhorn · Dec 27, 2024 · c06a98e · c06a98e
1 parent a69fb17
commit c06a98e
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Showing 2 changed files with 16 additions and 2 deletions.
diff --git a/api/forwarder.go b/api/forwarder.go
@@ -42,6 +42,20 @@ func OwnerIDFromVolume(m *manager.VolumeManager) func(req *http.Request) (string
 	}
 }
 
+func OwnerIDFromBackupTarget(m *manager.VolumeManager) func(req *http.Request) (string, error) {
+	return func(req *http.Request) (string, error) {
+		backupTargetName := mux.Vars(req)["backupTargetName"]
+		backupTarget, err := m.GetBackupTarget(backupTargetName)
+		if err != nil {
+			return "", errors.Wrapf(err, "failed to get backup target '%s'", backupTargetName)
+		}
+		if backupTarget == nil {
+			return "", nil
+		}
+		return backupTarget.Status.OwnerID, nil
+	}
+}
+
 // NodeHasDefaultEngineImage picks a node that is ready and has default engine image deployed.
 // To prevent the repeatedly forwarding the request around, prioritize the current node if it meets the requirement.
 func NodeHasDefaultEngineImage(m *manager.VolumeManager) func(req *http.Request) (string, error) {

diff --git a/api/router.go b/api/router.go
@@ -126,8 +126,8 @@ func NewRouter(s *Server) *mux.Router {
 	r.Methods("PUT").Path("/v1/backuptargets").Handler(f(schemas, s.BackupTargetSyncAll))
 	r.Methods("DELETE").Path("/v1/backuptargets/{backupTargetName}").Handler(f(schemas, s.BackupTargetDelete))
 	backupTargetActions := map[string]func(http.ResponseWriter, *http.Request) error{
-		"backupTargetSync":   s.fwd.Handler(s.fwd.HandleProxyRequestByNodeID, s.fwd.GetHTTPAddressByNodeID(NodeHasDefaultEngineImage(s.m)), s.BackupTargetSync),
-		"backupTargetUpdate": s.fwd.Handler(s.fwd.HandleProxyRequestByNodeID, s.fwd.GetHTTPAddressByNodeID(NodeHasDefaultEngineImage(s.m)), s.BackupTargetUpdate),
+		"backupTargetSync":   s.fwd.Handler(s.fwd.HandleProxyRequestByNodeID, s.fwd.GetHTTPAddressByNodeID(OwnerIDFromBackupTarget(s.m)), s.BackupTargetSync),
+		"backupTargetUpdate": s.fwd.Handler(s.fwd.HandleProxyRequestByNodeID, s.fwd.GetHTTPAddressByNodeID(OwnerIDFromBackupTarget(s.m)), s.BackupTargetUpdate),
 	}
 	for name, action := range backupTargetActions {
 		r.Methods("POST").Path("/v1/backuptargets/{backupTargetName}").Queries("action", name).Handler(f(schemas, action))