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Signed-off-by: hejianpeng <hejianpeng2@huawei.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| apiVersion: admissionregistration.k8s.io/v1 | ||
| kind: ValidatingWebhookConfiguration | ||
| metadata: | ||
| creationTimestamp: null | ||
| name: cluster-operator-validating-webhook-configuration | ||
| webhooks: | ||
| - admissionReviewVersions: | ||
| - v1alpha1 | ||
| clientConfig: | ||
| service: | ||
| name: webhook-service | ||
| namespace: system | ||
| path: /validate-cluster-kurator-dev-v1alpha1-cluster | ||
| failurePolicy: Fail | ||
| matchPolicy: Equivalent | ||
| name: validation.cluster.cluster.kurator.dev | ||
| rules: | ||
| - apiGroups: | ||
| - cluster.kurator.dev | ||
| apiVersions: | ||
| - v1alpha1 | ||
| operations: | ||
| - CREATE | ||
| - UPDATE | ||
| resources: | ||
| - cluster | ||
| sideEffects: None |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| apiVersion: kustomize.config.k8s.io/v1beta1 | ||
| kind: Kustomization | ||
| resources: | ||
| - ./infrastructure.cluster.x-k8s.io_customclusters.yaml | ||
| commonLabels: | ||
| cluster.x-k8s.io/v1beta1: v1alpha1 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| apiVersion: kustomize.config.k8s.io/v1beta1 | ||
| kind: Kustomization | ||
| resources: | ||
| - ./manifests.yaml | ||
| namePrefix: cluster-operator- |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| /* | ||
| Copyright Kurator 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 webhooks | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net" | ||
|
|
||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/util/sets" | ||
| "k8s.io/apimachinery/pkg/util/validation" | ||
| "k8s.io/apimachinery/pkg/util/validation/field" | ||
| "sigs.k8s.io/cluster-api/util/version" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/controller-runtime/pkg/webhook" | ||
|
|
||
| v1 "kurator.dev/kurator/pkg/apis/cluster/v1alpha1" | ||
| ) | ||
|
|
||
| var _ webhook.CustomValidator = &ClusterWebhook{} | ||
|
|
||
| type ClusterWebhook struct { | ||
| Client client.Reader | ||
| } | ||
|
|
||
| func (wh *ClusterWebhook) SetupWebhookWithManager(mgr ctrl.Manager) error { | ||
| return ctrl.NewWebhookManagedBy(mgr). | ||
| For(&v1.Cluster{}). | ||
| WithValidator(wh). | ||
| Complete() | ||
| } | ||
|
|
||
| func (wh *ClusterWebhook) ValidateCreate(_ context.Context, obj runtime.Object) error { | ||
| in, ok := obj.(*v1.Cluster) | ||
| if !ok { | ||
| return apierrors.NewBadRequest(fmt.Sprintf("expected a Cluster but got a %T", obj)) | ||
| } | ||
|
|
||
| return wh.validate(in) | ||
| } | ||
|
|
||
| func validateInfra(in *v1.Cluster) field.ErrorList { | ||
| var allErrs field.ErrorList | ||
| if in.Spec.InfraType == "" { | ||
| allErrs = append(allErrs, field.Required(field.NewPath("spec", "infraType"), "must be set")) | ||
| } | ||
|
|
||
| if in.Spec.InfraType == v1.AWSClusterInfraType && in.Spec.Region == "" { | ||
| allErrs = append(allErrs, field.Required(field.NewPath("spec", "region"), "must be set")) | ||
| } | ||
|
|
||
| if in.Spec.Credential == nil || in.Spec.Credential.SecretRef == "" { | ||
| allErrs = append(allErrs, field.Required(field.NewPath("spec", "credential", "secretRef"), "must be set")) | ||
| } | ||
|
|
||
| return allErrs | ||
| } | ||
|
|
||
| func validateVersion(in *v1.Cluster) field.ErrorList { | ||
| var allErrs field.ErrorList | ||
| if in.Spec.Version == "" { | ||
| allErrs = append(allErrs, field.Required(field.NewPath("spec", "version"), "must be set")) | ||
| } else { | ||
| if !version.KubeSemver.MatchString(in.Spec.Version) { | ||
| allErrs = append(allErrs, field.Invalid(field.NewPath("spec", "version"), in.Spec.Version, "must be a valid Kubernetes version")) | ||
| } | ||
| } | ||
|
|
||
| return allErrs | ||
| } | ||
|
|
||
| func validateNetwork(network v1.NetworkConfig, fldPath *field.Path) field.ErrorList { | ||
| var allErrs field.ErrorList | ||
| allErrs = append(allErrs, validateCIDR(network.VPC.CIDRBlock, fldPath.Child("vpc", "cidrBlock"))...) | ||
| allErrs = append(allErrs, validateCIDRBlocks(network.PodCIDRs, fldPath.Child("podCIDRs"))...) | ||
| allErrs = append(allErrs, validateCIDRBlocks(network.ServiceCIDRs, fldPath.Child("serviceCIDRs"))...) | ||
|
|
||
| return allErrs | ||
| } | ||
|
|
||
| func validateCIDR(cidr string, fldPath *field.Path) field.ErrorList { | ||
| var allErrs field.ErrorList | ||
| if _, _, err := net.ParseCIDR(cidr); err != nil { | ||
| allErrs = append(allErrs, field.Invalid(fldPath, cidr, err.Error())) | ||
| } | ||
| return allErrs | ||
| } | ||
|
|
||
| func validateCIDRBlocks(cidrBlocks []string, fldPath *field.Path) field.ErrorList { | ||
| var allErrs field.ErrorList | ||
|
|
||
| for i, cidr := range cidrBlocks { | ||
| if _, _, err := net.ParseCIDR(cidr); err != nil { | ||
| allErrs = append(allErrs, field.Invalid(fldPath.Index(i), cidr, err.Error())) | ||
| } | ||
| } | ||
|
|
||
| return allErrs | ||
| } | ||
|
|
||
| func validateAdditionalResource(in []v1.ResourceRef, fldPath *field.Path) field.ErrorList { | ||
| var allErrs field.ErrorList | ||
| if len(in) == 0 { | ||
| return allErrs | ||
| } | ||
|
|
||
| keys := sets.NewString() | ||
| for i, resource := range in { | ||
| if resource.Name == "" { | ||
| allErrs = append(allErrs, field.Required(fldPath.Index(i).Child("name"), "must be set")) | ||
| } | ||
| if resource.Kind != "Secret" && resource.Kind != "ConfigMap" { | ||
| allErrs = append(allErrs, field.Required(fldPath.Index(i).Child("type"), "must be either Secret or ConfigMap")) | ||
| } | ||
| key := fmt.Sprintf("%s/%s", resource.Kind, resource.Name) | ||
| if keys.Has(key) { | ||
| allErrs = append(allErrs, field.Duplicate(fldPath.Index(i), key)) | ||
| } else { | ||
| keys.Insert(key) | ||
| } | ||
| } | ||
|
|
||
| return allErrs | ||
| } | ||
|
|
||
| func (wh *ClusterWebhook) validate(in *v1.Cluster) error { | ||
| var allErrs field.ErrorList | ||
|
|
||
| // The Cluste name is used as a label value, so it must be a valid label value. | ||
| if errs := validation.IsValidLabelValue(in.Name); len(errs) > 0 { | ||
| for _, err := range errs { | ||
| allErrs = append(allErrs, field.Invalid(field.NewPath("metadata", "name"), in.Name, fmt.Sprintf("must be a valid label value: %s", err))) | ||
| } | ||
| } | ||
|
|
||
| allErrs = append(allErrs, validateInfra(in)...) | ||
| allErrs = append(allErrs, validateVersion(in)...) | ||
| allErrs = append(allErrs, validateNetwork(in.Spec.Network, field.NewPath("spec", "network"))...) | ||
| allErrs = append(allErrs, validateAdditionalResource(in.Spec.AdditionalResources, field.NewPath("spec", "additionalResources"))...) | ||
|
|
||
| if len(allErrs) > 0 { | ||
| return apierrors.NewInvalid(v1.SchemeGroupVersion.WithKind("Cluster").GroupKind(), in.Name, allErrs) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (wh *ClusterWebhook) ValidateUpdate(_ context.Context, obj runtime.Object, _ runtime.Object) error { | ||
| in, ok := obj.(*v1.Cluster) | ||
| if !ok { | ||
| return apierrors.NewBadRequest(fmt.Sprintf("expected a Cluster but got a %T", obj)) | ||
| } | ||
|
|
||
| return wh.validate(in) | ||
| } | ||
|
|
||
| func (wh *ClusterWebhook) ValidateDelete(_ context.Context, obj runtime.Object) error { | ||
| return nil | ||
| } |
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