| // 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 deprecation |
| |
| import ( |
| "fmt" |
| ) |
| |
| import ( |
| "istio.io/api/networking/v1alpha3" |
| k8sext "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/config/analysis" |
| "github.com/apache/dubbo-go-pixiu/pkg/config/analysis/msg" |
| "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" |
| ) |
| |
| // FieldAnalyzer checks for deprecated Istio types and fields |
| type FieldAnalyzer struct{} |
| |
| // Tracks Istio CRDs removed from manifests/charts/base/crds/crd-all.gen.yaml |
| var deprecatedCRDs = []k8sext.CustomResourceDefinitionSpec{ |
| { |
| Group: "rbac.istio.io", |
| Names: k8sext.CustomResourceDefinitionNames{Kind: "ClusterRbacConfig"}, |
| }, |
| { |
| Group: "rbac.istio.io", |
| Names: k8sext.CustomResourceDefinitionNames{Kind: "RbacConfig"}, |
| }, |
| { |
| Group: "rbac.istio.io", |
| Names: k8sext.CustomResourceDefinitionNames{Kind: "ServiceRole"}, |
| }, |
| { |
| Group: "rbac.istio.io", |
| Names: k8sext.CustomResourceDefinitionNames{Kind: "ServiceRoleBinding"}, |
| }, |
| } |
| |
| // Currently we don't have an Istio API that tells which Istio API fields are deprecated. |
| // Run `find . -name "*.proto" -exec grep -i "deprecated=true" \{\} \; -print` |
| // to see what is deprecated. This analyzer is hand-crafted. |
| |
| // Metadata implements analyzer.Analyzer |
| func (*FieldAnalyzer) Metadata() analysis.Metadata { |
| deprecationInputs := collection.Names{ |
| collections.IstioNetworkingV1Alpha3Virtualservices.Name(), |
| collections.IstioNetworkingV1Alpha3Sidecars.Name(), |
| collections.K8SApiextensionsK8SIoV1Customresourcedefinitions.Name(), |
| } |
| |
| return analysis.Metadata{ |
| Name: "deprecation.DeprecationAnalyzer", |
| Description: "Checks for deprecated Istio types and fields", |
| Inputs: append(deprecationInputs, |
| collections.Deprecated.CollectionNames()...), |
| } |
| } |
| |
| // Analyze implements analysis.Analyzer |
| func (fa *FieldAnalyzer) Analyze(ctx analysis.Context) { |
| ctx.ForEach(collections.IstioNetworkingV1Alpha3Virtualservices.Name(), func(r *resource.Instance) bool { |
| fa.analyzeVirtualService(r, ctx) |
| return true |
| }) |
| ctx.ForEach(collections.IstioNetworkingV1Alpha3Sidecars.Name(), func(r *resource.Instance) bool { |
| fa.analyzeSidecar(r, ctx) |
| return true |
| }) |
| ctx.ForEach(collections.K8SApiextensionsK8SIoV1Customresourcedefinitions.Name(), func(r *resource.Instance) bool { |
| fa.analyzeCRD(r, ctx) |
| return true |
| }) |
| for _, name := range collections.Deprecated.CollectionNames() { |
| ctx.ForEach(name, func(r *resource.Instance) bool { |
| ctx.Report(name, |
| msg.NewDeprecated(r, crDeprecatedMessage(name.String()))) |
| return true |
| }) |
| } |
| } |
| |
| func (*FieldAnalyzer) analyzeCRD(r *resource.Instance, ctx analysis.Context) { |
| for _, depCRD := range deprecatedCRDs { |
| var group, kind string |
| switch crd := r.Message.(type) { |
| case *k8sext.CustomResourceDefinition: |
| group = crd.Spec.Group |
| kind = crd.Spec.Names.Kind |
| case *k8sext.CustomResourceDefinitionSpec: |
| group = crd.Group |
| kind = crd.Names.Kind |
| } |
| if group == depCRD.Group && kind == depCRD.Names.Kind { |
| ctx.Report(collections.K8SApiextensionsK8SIoV1Customresourcedefinitions.Name(), |
| msg.NewDeprecated(r, crRemovedMessage(depCRD.Group, depCRD.Names.Kind))) |
| } |
| } |
| } |
| |
| func (*FieldAnalyzer) analyzeSidecar(r *resource.Instance, ctx analysis.Context) { |
| sc := r.Message.(*v1alpha3.Sidecar) |
| |
| if sc.OutboundTrafficPolicy != nil { |
| if sc.OutboundTrafficPolicy.EgressProxy != nil { |
| ctx.Report(collections.IstioNetworkingV1Alpha3Virtualservices.Name(), |
| msg.NewDeprecated(r, ignoredMessage("OutboundTrafficPolicy.EgressProxy"))) |
| } |
| } |
| } |
| |
| func (*FieldAnalyzer) analyzeVirtualService(r *resource.Instance, ctx analysis.Context) { |
| vs := r.Message.(*v1alpha3.VirtualService) |
| |
| for _, httpRoute := range vs.Http { |
| if httpRoute.Fault != nil { |
| if httpRoute.Fault.Delay != nil { |
| // nolint: staticcheck |
| if httpRoute.Fault.Delay.Percent > 0 { |
| ctx.Report(collections.IstioNetworkingV1Alpha3Virtualservices.Name(), |
| msg.NewDeprecated(r, replacedMessage("HTTPRoute.fault.delay.percent", "HTTPRoute.fault.delay.percentage"))) |
| } |
| } |
| } |
| } |
| } |
| |
| func replacedMessage(deprecated, replacement string) string { |
| return fmt.Sprintf("%s is deprecated; use %s", deprecated, replacement) |
| } |
| |
| func ignoredMessage(field string) string { |
| return fmt.Sprintf("%s ignored", field) |
| } |
| |
| func crDeprecatedMessage(typename string) string { |
| return fmt.Sprintf("Custom resource type %q is deprecated", typename) |
| } |
| |
| func crRemovedMessage(group, kind string) string { |
| return fmt.Sprintf("Custom resource type %s %s is removed", group, kind) |
| } |