| // Copyright Istio Authors |
| // |
| // Licensed 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 service |
| |
| import ( |
| "fmt" |
| ) |
| |
| import ( |
| v1 "k8s.io/api/core/v1" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/config/analysis" |
| "github.com/apache/dubbo-go-pixiu/pkg/config/analysis/analyzers/util" |
| "github.com/apache/dubbo-go-pixiu/pkg/config/analysis/msg" |
| configKube "github.com/apache/dubbo-go-pixiu/pkg/config/kube" |
| "github.com/apache/dubbo-go-pixiu/pkg/config/resource" |
| "github.com/apache/dubbo-go-pixiu/pkg/config/schema/collection" |
| "github.com/apache/dubbo-go-pixiu/pkg/config/schema/collections" |
| ) |
| |
| // PortNameAnalyzer checks the port name of the service |
| type PortNameAnalyzer struct{} |
| |
| var _ analysis.Analyzer = &PortNameAnalyzer{} |
| |
| // Metadata implements Analyzer |
| func (s *PortNameAnalyzer) Metadata() analysis.Metadata { |
| return analysis.Metadata{ |
| Name: "service.PortNameAnalyzer", |
| Description: "Checks the port names associated with each service", |
| Inputs: collection.Names{ |
| collections.K8SCoreV1Services.Name(), |
| }, |
| } |
| } |
| |
| // Analyze implements Analyzer |
| func (s *PortNameAnalyzer) Analyze(c analysis.Context) { |
| c.ForEach(collections.K8SCoreV1Services.Name(), func(r *resource.Instance) bool { |
| svcNs := r.Metadata.FullName.Namespace |
| |
| // Skip system namespaces entirely |
| if util.IsSystemNamespace(svcNs) { |
| return true |
| } |
| |
| // Skip port name check for istio control plane |
| if util.IsIstioControlPlane(r) { |
| return true |
| } |
| |
| s.analyzeService(r, c) |
| return true |
| }) |
| } |
| |
| func (s *PortNameAnalyzer) analyzeService(r *resource.Instance, c analysis.Context) { |
| svc := r.Message.(*v1.ServiceSpec) |
| for i, port := range svc.Ports { |
| instance := configKube.ConvertProtocol(port.Port, port.Name, port.Protocol, port.AppProtocol) |
| if instance.IsUnsupported() || port.Name == "tcp" && svc.Type == "ExternalName" { |
| |
| m := msg.NewPortNameIsNotUnderNamingConvention( |
| r, port.Name, int(port.Port), port.TargetPort.String()) |
| |
| if svc.Type == "ExternalName" { |
| m = msg.NewExternalNameServiceTypeInvalidPortName(r) |
| } |
| |
| if line, ok := util.ErrorLine(r, fmt.Sprintf(util.PortInPorts, i)); ok { |
| m.Line = line |
| } |
| c.Report(collections.K8SCoreV1Services.Name(), m) |
| } |
| } |
| } |