81 lines
2.6 KiB
Go
81 lines
2.6 KiB
Go
/*
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Copyright 2022 The Kruise 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 webhook
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import (
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"context"
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"fmt"
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gamekruiseiov1alpha1 "github.com/openkruise/kruise-game/apis/v1alpha1"
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"github.com/openkruise/kruise-game/pkg/util"
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admissionv1 "k8s.io/api/admission/v1"
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"net/http"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
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)
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type GssValidaatingHandler struct {
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Client client.Client
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decoder *admission.Decoder
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}
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func (gvh *GssValidaatingHandler) Handle(ctx context.Context, req admission.Request) admission.Response {
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gss := &gamekruiseiov1alpha1.GameServerSet{}
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err := gvh.decoder.Decode(req, gss)
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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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if allowed, reason := validatingGss(gss, gvh.Client); !allowed {
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admission.ValidationResponse(allowed, reason)
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}
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switch req.Operation {
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case admissionv1.Update:
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newGss := gss.DeepCopy()
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oldGss := &gamekruiseiov1alpha1.GameServerSet{}
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err := gvh.decoder.DecodeRaw(req.OldObject, oldGss)
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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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return validatingUpdate(newGss, oldGss)
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}
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return admission.ValidationResponse(true, "pass validating")
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}
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func validatingGss(gss *gamekruiseiov1alpha1.GameServerSet, client client.Client) (bool, string) {
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// validate reserveGameServerIds
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rgsIds := gss.Spec.ReserveGameServerIds
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if util.IsRepeat(rgsIds) {
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return false, fmt.Sprintf("reserveGameServerIds should not be repeat. Now it is %v", rgsIds)
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}
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if util.IsHasNegativeNum(rgsIds) {
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return false, fmt.Sprintf("reserveGameServerIds should be greater or equal to 0. Now it is %v", rgsIds)
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}
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return true, "general validating success"
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}
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func validatingUpdate(newGss, oldGss *gamekruiseiov1alpha1.GameServerSet) admission.Response {
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if oldGss.Spec.Network != nil && newGss.Spec.Network != nil {
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if oldGss.Spec.Network.NetworkType != "" && newGss.Spec.Network.NetworkType != oldGss.Spec.Network.NetworkType {
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return admission.ValidationResponse(false, "change network type is not allowed")
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}
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}
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return admission.ValidationResponse(true, "validatingUpdate success")
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}
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