forked from kubeedge/kubeedge
/
admit_ruleendpoint.go
46 lines (41 loc) · 1.38 KB
/
admit_ruleendpoint.go
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package admissioncontroller
import (
"fmt"
"net/http"
"strings"
admissionv1beta1 "k8s.io/api/admission/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/klog/v2"
rulesv1 "github.com/kubeedge/kubeedge/cloud/pkg/apis/rules/v1"
)
func admitRuleEndpoint(review admissionv1beta1.AdmissionReview) *admissionv1beta1.AdmissionResponse {
reviewResponse := admissionv1beta1.AdmissionResponse{}
var msg string
switch review.Request.Operation {
case admissionv1beta1.Create:
raw := review.Request.Object.Raw
ruleEndpoint := rulesv1.RuleEndpoint{}
deserializer := codecs.UniversalDeserializer()
if _, _, err := deserializer.Decode(raw, nil, &ruleEndpoint); err != nil {
klog.Errorf("validation failed with error: %v", err)
msg = err.Error()
break
}
reviewResponse.Allowed = true
klog.Info("admission validation passed!")
case admissionv1beta1.Delete, admissionv1beta1.Connect:
//no rule defined for above operations, greenlight for all of above.
reviewResponse.Allowed = true
klog.Info("admission validation passed!")
default:
msg = fmt.Sprintf("Unsupported webhook operation %v", review.Request.Operation)
klog.Warning(msg)
}
if !reviewResponse.Allowed {
reviewResponse.Result = &metav1.Status{Message: strings.TrimSpace(msg)}
}
return &reviewResponse
}
func serveRuleEndpoint(w http.ResponseWriter, r *http.Request) {
serve(w, r, admitRuleEndpoint)
}