/
dnsowner.go
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/
dnsowner.go
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// Copyright (c) 2020 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package dns
import (
"context"
"path/filepath"
"time"
"github.com/gardener/gardener/pkg/client/kubernetes"
"github.com/gardener/gardener/pkg/operation/botanist/component"
kutil "github.com/gardener/gardener/pkg/utils/kubernetes"
dnsv1alpha1 "github.com/gardener/external-dns-management/pkg/apis/dns/v1alpha1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// OwnerValues contains the values used for DNSOwner creation
type OwnerValues struct {
Name string `json:"name,omitempty"`
OwnerID string `json:"ownerID,omitempty"`
Active bool `json:"active,omitempty"`
}
// NewDNSOwner creates a new instance of DeployWaiter for a specific DNS owner.
func NewDNSOwner(
values *OwnerValues,
shootNamespace string,
applier kubernetes.ChartApplier,
chartsRootPath string,
client client.Client,
) component.DeployWaiter {
return &dnsOwner{
values: values,
shootNamespace: shootNamespace,
ChartApplier: applier,
chartPath: filepath.Join(chartsRootPath, "seed-dns", "owner"),
client: client,
}
}
type dnsOwner struct {
values *OwnerValues
shootNamespace string
kubernetes.ChartApplier
chartPath string
client client.Client
}
// Deploy implements Deployer and creates DNSOwner for the provided values
func (d *dnsOwner) Deploy(ctx context.Context) error {
return d.Apply(ctx, d.chartPath, d.shootNamespace, d.values.Name, kubernetes.Values(d.values))
}
// Destroy implements Deployer and deletes the DNSOwner
func (d *dnsOwner) Destroy(ctx context.Context) error {
return client.IgnoreNotFound(d.client.Delete(ctx, d.owner()))
}
// WaitCleanup implements Waiter
func (d *dnsOwner) WaitCleanup(ctx context.Context) error {
return kutil.WaitUntilResourceDeleted(ctx, d.client, d.owner(), 5*time.Second)
}
// Wait implements Waiter, not applicable for the DNSOwner
func (d *dnsOwner) Wait(ctx context.Context) error { return nil }
// owner returns an empty DNSOwner used for deletion.
func (d *dnsOwner) owner() *dnsv1alpha1.DNSOwner {
return &dnsv1alpha1.DNSOwner{ObjectMeta: metav1.ObjectMeta{Name: d.shootNamespace + "-" + d.values.Name}}
}