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controller.go
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controller.go
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/*
* Copyright (C) 2023 Appvia Ltd <info@appvia.io>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package namespace
import (
"fmt"
log "github.com/sirupsen/logrus"
v1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
terraformv1alpha1 "github.com/appvia/terranetes-controller/pkg/apis/terraform/v1alpha1"
"github.com/appvia/terranetes-controller/pkg/handlers/namespaces"
)
// Controller handles the reconciliation of the resource
type Controller struct {
// cc is the kubernetes client to the cluster
cc client.Client
// EnableWebhooks indicates if the webhooks should be enabled
EnableWebhooks bool
// EnableNamespaceProtection indicates if the namespace protection should be enabled
EnableNamespaceProtection bool
}
// Add is called to setup the manager for the controller
func (c *Controller) Add(mgr manager.Manager) error {
log.Info("adding the namespace controller")
c.cc = mgr.GetClient()
if c.EnableWebhooks {
mgr.GetWebhookServer().Register(
fmt.Sprintf("/validate/%s/namespaces", terraformv1alpha1.GroupName),
admission.WithCustomValidator(mgr.GetScheme(), &v1.Namespace{}, namespaces.NewValidator(c.cc, c.EnableNamespaceProtection)),
)
}
return nil
}