add runtime variable to force kazoo query on register

kamailio/registrar-role.cfg

@@ -80,6 +80,7 @@ kazoo.registrar_handle_expired_ws = REGISTRAR_HANDLE_EXPIRED_WS descr "handles e
 kazoo.registrar_query_timeout_ms = REGISTRAR_QUERY_TIMEOUT_MS descr "timeout waiting for reply from registrar"
 
 kazoo.registrar_failover = 0 descr "force failover if 1"
+kazoo.registrar_force_query = 0 descr "force query if 1"
 
 ####### Registrar Logic ########
 route[HANDLE_REGISTER]
@@ -142,14 +143,16 @@ route[ATTEMPT_AUTHORIZATION]
     route(PUSHER_ATTEMPT_REGISTRATION);
     #!endif
 
-    $xavp(regcfg=>match_received) = $su;
-    if($sht(auth_cache=>$Au) != $null
-        && registered("location", "$rz:$Au", 2, 1) == 1
-        && $(xavp(ulattrs=>custom_channel_vars){s.len}) > 1)
-        && $sel(cfg_get.kazoo.registrar_failover) == 0 {
-        $var(password) = $sht(auth_cache=>$Au);
-        route(SAVE_LOCATION);
-        exit;
+    if($sel(cfg_get.kazoo.registrar_force_query) == 0) { 
+        $xavp(regcfg=>match_received) = $su;
+        if($sht(auth_cache=>$Au) != $null
+            && registered("location", "$rz:$Au", 2, 1) == 1
+            && $(xavp(ulattrs=>custom_channel_vars){s.len}) > 1)
+            && $sel(cfg_get.kazoo.registrar_failover) == 0 {
+            $var(password) = $sht(auth_cache=>$Au);
+            route(SAVE_LOCATION);
+            exit;
+        }
     }
 
     if($td =~ "[0-9]{1,3}\.[0-9]{1,3}.[0-9]{1,3}\.[0-9]{1,3}" ||