mirror of
https://github.com/projectcapsule/capsule.git
synced 2026-08-22 22:16:46 +00:00
75 lines
2.5 KiB
Go
75 lines
2.5 KiB
Go
// Copyright 2020-2021 Clastix Labs
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
package tenant
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"strings"
|
|
|
|
corev1 "k8s.io/api/core/v1"
|
|
"k8s.io/apimachinery/pkg/fields"
|
|
"k8s.io/client-go/tools/record"
|
|
"sigs.k8s.io/controller-runtime/pkg/client"
|
|
"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
|
|
|
|
capsulev1beta1 "github.com/clastix/capsule/api/v1beta1"
|
|
"github.com/clastix/capsule/pkg/configuration"
|
|
capsulewebhook "github.com/clastix/capsule/pkg/webhook"
|
|
"github.com/clastix/capsule/pkg/webhook/utils"
|
|
)
|
|
|
|
type cordoningHandler struct {
|
|
configuration configuration.Configuration
|
|
}
|
|
|
|
func CordoningHandler(configuration configuration.Configuration) capsulewebhook.Handler {
|
|
return &cordoningHandler{
|
|
configuration: configuration,
|
|
}
|
|
}
|
|
|
|
func (h *cordoningHandler) cordonHandler(ctx context.Context, clt client.Client, req admission.Request, recorder record.EventRecorder) *admission.Response {
|
|
tntList := &capsulev1beta1.TenantList{}
|
|
|
|
if err := clt.List(ctx, tntList, client.MatchingFieldsSelector{
|
|
Selector: fields.OneTermEqualSelector(".status.namespaces", req.Namespace),
|
|
}); err != nil {
|
|
return utils.ErroredResponse(err)
|
|
}
|
|
// resource is not inside a Tenant namespace
|
|
if len(tntList.Items) == 0 {
|
|
return nil
|
|
}
|
|
|
|
tnt := tntList.Items[0]
|
|
if tnt.IsCordoned() && utils.IsCapsuleUser(req, h.configuration.UserGroups()) {
|
|
recorder.Eventf(&tnt, corev1.EventTypeWarning, "TenantFreezed", "%s %s/%s cannot be %sd, current Tenant is freezed", req.Kind.String(), req.Namespace, req.Name, strings.ToLower(string(req.Operation)))
|
|
|
|
response := admission.Denied(fmt.Sprintf("tenant %s is freezed: please, reach out to the system administrator", tnt.GetName()))
|
|
|
|
return &response
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (h *cordoningHandler) OnCreate(client client.Client, _ *admission.Decoder, recorder record.EventRecorder) capsulewebhook.Func {
|
|
return func(ctx context.Context, req admission.Request) *admission.Response {
|
|
return h.cordonHandler(ctx, client, req, recorder)
|
|
}
|
|
}
|
|
|
|
func (h *cordoningHandler) OnDelete(client client.Client, _ *admission.Decoder, recorder record.EventRecorder) capsulewebhook.Func {
|
|
return func(ctx context.Context, req admission.Request) *admission.Response {
|
|
return h.cordonHandler(ctx, client, req, recorder)
|
|
}
|
|
}
|
|
|
|
func (h *cordoningHandler) OnUpdate(client client.Client, _ *admission.Decoder, recorder record.EventRecorder) capsulewebhook.Func {
|
|
return func(ctx context.Context, req admission.Request) *admission.Response {
|
|
return h.cordonHandler(ctx, client, req, recorder)
|
|
}
|
|
}
|