Add and fix forcetypeassert

.golangci.yaml

@@ -31,16 +31,15 @@ linters:
     # We should strive to enable these:
     - wrapcheck
     - goerr113
-    - forcetypeassert
     - dupl
     - makezero
-    - paralleltest
 
     # We might want to enable this, but it might be a lot of work
     - cyclop
     - nestif
     - wsl # might be incompatible with gofumpt
     - testpackage
+    - paralleltest
 
 linters-settings:
   varnamelen:

machine.go

@@ -350,7 +350,9 @@ func (h *Headscale) isOutdated(machine *Machine) bool {
 
 	namespaces := make([]string, namespaceSet.Size())
 	for index, namespace := range namespaceSet.List() {
-		namespaces[index] = namespace.(string)
+		if name, ok := namespace.(string); ok {
+			namespaces[index] = name
+		}
 	}
 
 	lastChange := h.getLastStateChange(namespaces...)