/
vpnseedserver.go
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/
vpnseedserver.go
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// Copyright 2021 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 botanist
import (
"context"
"k8s.io/utils/ptr"
"github.com/gardener/gardener/imagevector"
vpnseedserver "github.com/gardener/gardener/pkg/component/networking/vpn/seedserver"
imagevectorutils "github.com/gardener/gardener/pkg/utils/imagevector"
)
// DefaultVPNSeedServer returns a deployer for the vpn-seed-server.
func (b *Botanist) DefaultVPNSeedServer() (vpnseedserver.Interface, error) {
imageAPIServerProxy, err := imagevector.ImageVector().FindImage(imagevector.ImageNameApiserverProxy, imagevectorutils.RuntimeVersion(b.SeedVersion()), imagevectorutils.TargetVersion(b.ShootVersion()))
if err != nil {
return nil, err
}
imageVPNSeedServer, err := imagevector.ImageVector().FindImage(imagevector.ImageNameVpnSeedServer, imagevectorutils.RuntimeVersion(b.SeedVersion()), imagevectorutils.TargetVersion(b.ShootVersion()))
if err != nil {
return nil, err
}
values := vpnseedserver.Values{
RuntimeKubernetesVersion: b.Seed.KubernetesVersion,
ImageAPIServerProxy: imageAPIServerProxy.String(),
ImageVPNSeedServer: imageVPNSeedServer.String(),
Network: vpnseedserver.NetworkValues{
PodCIDR: b.Shoot.Networks.Pods.String(),
ServiceCIDR: b.Shoot.Networks.Services.String(),
// NodeCIDR is set in DeployVPNServer to handle dynamice node network CIDRs
IPFamilies: b.Shoot.GetInfo().Spec.Networking.IPFamilies,
},
Replicas: b.Shoot.GetReplicas(1),
HighAvailabilityEnabled: b.Shoot.VPNHighAvailabilityEnabled,
HighAvailabilityNumberOfSeedServers: b.Shoot.VPNHighAvailabilityNumberOfSeedServers,
HighAvailabilityNumberOfShootClients: b.Shoot.VPNHighAvailabilityNumberOfShootClients,
}
if b.ShootUsesDNS() {
values.KubeAPIServerHost = ptr.To(b.outOfClusterAPIServerFQDN())
}
if b.Shoot.VPNHighAvailabilityEnabled {
values.Replicas = b.Shoot.GetReplicas(int32(b.Shoot.VPNHighAvailabilityNumberOfSeedServers))
}
return vpnseedserver.New(
b.SeedClientSet.Client(),
b.Shoot.SeedNamespace,
b.SecretsManager,
func() string { return b.IstioNamespace() },
values,
), nil
}
// DeployVPNServer deploys the vpn-seed-server.
func (b *Botanist) DeployVPNServer(ctx context.Context) error {
b.Shoot.Components.ControlPlane.VPNSeedServer.SetNodeNetworkCIDR(b.Shoot.GetInfo().Spec.Networking.Nodes)
b.Shoot.Components.ControlPlane.VPNSeedServer.SetSeedNamespaceObjectUID(b.SeedNamespaceObject.UID)
return b.Shoot.Components.ControlPlane.VPNSeedServer.Deploy(ctx)
}