sstrncpy (vl.plugin, "curl_json", sizeof (vl.plugin));
sstrncpy (vl.plugin_instance, db->instance, sizeof (vl.plugin_instance));
sstrncpy (vl.type, key->type, sizeof (vl.type));
sstrncpy (vl.plugin, "curl_json", sizeof (vl.plugin));
sstrncpy (vl.plugin_instance, db->instance, sizeof (vl.plugin_instance));
sstrncpy (vl.type, key->type, sizeof (vl.type));