hostutil: disable host info collection on openbsd (#7699)

helper/hostutil/hostinfo_error.go

@@ -0,0 +1,17 @@
+package hostutil
+
+import "fmt"
+
+// HostInfoError is a typed error for more convenient error checking.
+type HostInfoError struct {
+	Type string
+	Err  error
+}
+
+func (e *HostInfoError) WrappedErrors() []error {
+	return []error{e.Err}
+}
+
+func (e *HostInfoError) Error() string {
+	return fmt.Sprintf("%s: %s", e.Type, e.Err.Error())
+}