| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| package translation |
| |
| import ( |
| "fmt" |
| "strings" |
| |
| "github.com/pkg/errors" |
| "go.uber.org/zap" |
| gatewayv1alpha2 "sigs.k8s.io/gateway-api/apis/v1alpha2" |
| |
| "github.com/apache/apisix-ingress-controller/pkg/id" |
| "github.com/apache/apisix-ingress-controller/pkg/log" |
| "github.com/apache/apisix-ingress-controller/pkg/providers/translation" |
| "github.com/apache/apisix-ingress-controller/pkg/types" |
| apisixv1 "github.com/apache/apisix-ingress-controller/pkg/types/apisix/v1" |
| ) |
| |
| func (t *translator) TranslateGatewayUDPRouteV1Alpha2(udpRoute *gatewayv1alpha2.UDPRoute) (*translation.TranslateContext, error) { |
| ctx := translation.DefaultEmptyTranslateContext() |
| |
| // TODO: handle UDPRoute.Spec.ParentRef |
| for i, rule := range udpRoute.Spec.Rules { |
| |
| for j, backend := range rule.BackendRefs { |
| // Spec validation |
| var kind string |
| if backend.Kind == nil { |
| kind = "service" |
| } else { |
| kind = strings.ToLower(string(*backend.Kind)) |
| } |
| if kind != "service" { |
| log.Warnw(fmt.Sprintf("ignore non-service kind at Rules[%v].BackendRefs[%v]", i, j), |
| zap.String("kind", kind), |
| ) |
| continue |
| } |
| |
| var ns string |
| if backend.Namespace == nil { |
| ns = udpRoute.Namespace |
| } else { |
| ns = string(*backend.Namespace) |
| } |
| //if ns != httpRoute.Namespace { |
| // TODO: check gatewayv1alpha2.ReferencePolicy |
| //} |
| |
| if backend.Port == nil { |
| log.Warnw(fmt.Sprintf("ignore nil port at Rules[%v].BackendRefs[%v]", i, j), |
| zap.String("kind", kind), |
| ) |
| continue |
| } |
| |
| // create apisix Upstream |
| sr := apisixv1.NewDefaultStreamRoute() |
| name := apisixv1.ComposeStreamRouteName(ns, udpRoute.Name, fmt.Sprintf("%d-%d", i, j)) |
| sr.ID = id.GenID(name) |
| |
| ups, err := t.KubeTranslator.TranslateService(ns, string(backend.Name), "", int32(*backend.Port)) |
| if err != nil { |
| return nil, errors.Wrap(err, fmt.Sprintf("failed to translate Rules[%v].BackendRefs[%v]", i, j)) |
| } |
| ups.Scheme = apisixv1.SchemeUDP |
| ups.Name = apisixv1.ComposeUpstreamName(ns, string(backend.Name), "", int32(*backend.Port), types.ResolveGranularity.Endpoint) |
| ups.ID = id.GenID(ups.Name) |
| |
| sr.UpstreamId = ups.ID |
| ctx.AddStreamRoute(sr) |
| if !ctx.CheckUpstreamExist(ups.Name) { |
| ctx.AddUpstream(ups) |
| } |
| |
| //if backend.Weight == nil { |
| // TODO: set Upstream.Nodes roundrobin by BackendRef.Weight |
| //} |
| } |
| } |
| return ctx, nil |
| } |