56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
/*
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Copyright 2021 The Karmada Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package overridepolicy
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import (
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"context"
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"net/http"
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"k8s.io/klog/v2"
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"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
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policyv1alpha1 "github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
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"github.com/karmada-io/karmada/pkg/util/validation"
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)
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// ValidatingAdmission validates OverridePolicy object when creating/updating/deleting.
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type ValidatingAdmission struct {
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Decoder *admission.Decoder
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}
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// Check if our ValidatingAdmission implements necessary interface
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var _ admission.Handler = &ValidatingAdmission{}
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// Handle implements admission.Handler interface.
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// It yields a response to an AdmissionRequest.
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func (v *ValidatingAdmission) Handle(_ context.Context, req admission.Request) admission.Response {
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policy := &policyv1alpha1.OverridePolicy{}
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err := v.Decoder.Decode(req, policy)
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if err != nil {
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return admission.Errored(http.StatusBadRequest, err)
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}
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klog.V(2).Infof("Validating OverridePolicy(%s/%s) for request: %s", policy.Namespace, policy.Name, req.Operation)
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if errs := validation.ValidateOverrideSpec(&policy.Spec); len(errs) != 0 {
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klog.Error(errs)
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return admission.Denied(errs.ToAggregate().Error())
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}
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return admission.Allowed("")
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}
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