/
utils.go
67 lines (53 loc) · 1.69 KB
/
utils.go
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// Copyright 2020-2023 Project Capsule Authors.
// SPDX-License-Identifier: Apache-2.0
package ingress
import (
"context"
"fmt"
extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
networkingv1 "k8s.io/api/networking/v1"
networkingv1beta1 "k8s.io/api/networking/v1beta1"
"k8s.io/apimachinery/pkg/fields"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
capsulev1beta2 "github.com/projectcapsule/capsule/api/v1beta2"
)
func TenantFromIngress(ctx context.Context, c client.Client, ingress Ingress) (*capsulev1beta2.Tenant, error) {
tenantList := &capsulev1beta2.TenantList{}
if err := c.List(ctx, tenantList, client.MatchingFieldsSelector{
Selector: fields.OneTermEqualSelector(".status.namespaces", ingress.Namespace()),
}); err != nil {
return nil, err
}
if len(tenantList.Items) == 0 {
return nil, nil //nolint:nilnil
}
return &tenantList.Items[0], nil
}
func FromRequest(req admission.Request, decoder *admission.Decoder) (ingress Ingress, err error) {
switch req.Kind.Group {
case "networking.k8s.io":
if req.Kind.Version == "v1" {
ingressObj := &networkingv1.Ingress{}
if err = decoder.Decode(req, ingressObj); err != nil {
return
}
ingress = NetworkingV1{Ingress: ingressObj}
break
}
ingressObj := &networkingv1beta1.Ingress{}
if err = decoder.Decode(req, ingressObj); err != nil {
return
}
ingress = NetworkingV1Beta1{Ingress: ingressObj}
case "extensions":
ingressObj := &extensionsv1beta1.Ingress{}
if err = decoder.Decode(req, ingressObj); err != nil {
return
}
ingress = Extension{Ingress: ingressObj}
default:
err = fmt.Errorf("cannot recognize type %s", req.Kind.Group)
}
return
}