package runtime import ( "context" "fmt" "slices" "github.com/traefik/traefik/v2/pkg/config/dynamic" "github.com/traefik/traefik/v2/pkg/log" ) // GetUDPRoutersByEntryPoints returns all the UDP routers by entry points name and routers name. func (c *Configuration) GetUDPRoutersByEntryPoints(ctx context.Context, entryPoints []string) map[string]map[string]*UDPRouterInfo { entryPointsRouters := make(map[string]map[string]*UDPRouterInfo) for rtName, rt := range c.UDPRouters { logger := log.FromContext(log.With(ctx, log.Str(log.RouterName, rtName))) eps := rt.EntryPoints if len(eps) == 0 { logger.Debugf("No entryPoint defined for this router, using the default one(s) instead: %+v", entryPoints) eps = entryPoints } entryPointsCount := 0 for _, entryPointName := range eps { if !slices.Contains(entryPoints, entryPointName) { rt.AddError(fmt.Errorf("entryPoint %q doesn't exist", entryPointName), false) logger.WithField(log.EntryPointName, entryPointName). Errorf("entryPoint %q doesn't exist", entryPointName) continue } if _, ok := entryPointsRouters[entryPointName]; !ok { entryPointsRouters[entryPointName] = make(map[string]*UDPRouterInfo) } entryPointsCount++ rt.Using = append(rt.Using, entryPointName) entryPointsRouters[entryPointName][rtName] = rt } if entryPointsCount == 0 { rt.AddError(fmt.Errorf("no valid entryPoint for this router"), true) logger.Error("no valid entryPoint for this router") } } return entryPointsRouters } // UDPRouterInfo holds information about a currently running UDP router. type UDPRouterInfo struct { *dynamic.UDPRouter // dynamic configuration Err []string `json:"error,omitempty"` // initialization error // Status reports whether the router is disabled, in a warning state, or all good (enabled). // If not in "enabled" state, the reason for it should be in the list of Err. // It is the caller's responsibility to set the initial status. Status string `json:"status,omitempty"` Using []string `json:"using,omitempty"` // Effective entry points used by that router. } // AddError adds err to r.Err, if it does not already exist. // If critical is set, r is marked as disabled. func (r *UDPRouterInfo) AddError(err error, critical bool) { for _, value := range r.Err { if value == err.Error() { return } } r.Err = append(r.Err, err.Error()) if critical { r.Status = StatusDisabled return } // only set it to "warning" if not already in a worse state if r.Status != StatusDisabled { r.Status = StatusWarning } } // UDPServiceInfo holds information about a currently running UDP service. type UDPServiceInfo struct { *dynamic.UDPService // dynamic configuration Err []string `json:"error,omitempty"` // initialization error // Status reports whether the service is disabled, in a warning state, or all good (enabled). // If not in "enabled" state, the reason for it should be in the list of Err. // It is the caller's responsibility to set the initial status. Status string `json:"status,omitempty"` UsedBy []string `json:"usedBy,omitempty"` // list of routers using that service } // AddError adds err to s.Err, if it does not already exist. // If critical is set, s is marked as disabled. func (s *UDPServiceInfo) AddError(err error, critical bool) { for _, value := range s.Err { if value == err.Error() { return } } s.Err = append(s.Err, err.Error()) if critical { s.Status = StatusDisabled return } // only set it to "warning" if not already in a worse state if s.Status != StatusDisabled { s.Status = StatusWarning } }