forked from gardener-attic/gardener-extensions
/
ensurer.go
91 lines (78 loc) · 3.59 KB
/
ensurer.go
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// Copyright (c) 2019 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 controlplaneexposure
import (
"context"
"github.com/gardener/gardener-extensions/controllers/provider-openstack/pkg/apis/config"
extensionscontroller "github.com/gardener/gardener-extensions/pkg/controller"
"github.com/gardener/gardener-extensions/pkg/webhook/controlplane"
"github.com/gardener/gardener-extensions/pkg/webhook/controlplane/genericmutator"
"github.com/gardener/gardener/pkg/operation/common"
"github.com/go-logr/logr"
"github.com/pkg/errors"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// NewEnsurer creates a new controlplaneexposure ensurer.
func NewEnsurer(etcdStorage *config.ETCDStorage, logger logr.Logger) genericmutator.Ensurer {
return &ensurer{
etcdStorage: etcdStorage,
logger: logger.WithName("openstack-controlplaneexposure-ensurer"),
}
}
type ensurer struct {
genericmutator.NoopEnsurer
etcdStorage *config.ETCDStorage
client client.Client
logger logr.Logger
}
// InjectClient injects the given client into the ensurer.
func (m *ensurer) InjectClient(client client.Client) error {
m.client = client
return nil
}
// EnsureKubeAPIServerDeployment ensures that the kube-apiserver deployment conforms to the provider requirements.
func (e *ensurer) EnsureKubeAPIServerDeployment(ctx context.Context, dep *appsv1.Deployment) error {
// Get load balancer address of the kube-apiserver service
address, err := controlplane.GetLoadBalancerIngress(ctx, e.client, dep.Namespace, common.KubeAPIServerDeploymentName)
if err != nil {
return errors.Wrap(err, "could not get kube-apiserver service load balancer address")
}
if c := controlplane.ContainerWithName(dep.Spec.Template.Spec.Containers, "kube-apiserver"); c != nil {
c.Command = controlplane.EnsureStringWithPrefix(c.Command, "--advertise-address=", address)
c.Command = controlplane.EnsureStringWithPrefix(c.Command, "--external-hostname=", address)
}
return nil
}
// EnsureETCDStatefulSet ensures that the etcd stateful sets conform to the provider requirements.
func (e *ensurer) EnsureETCDStatefulSet(ctx context.Context, ss *appsv1.StatefulSet, cluster *extensionscontroller.Cluster) error {
e.ensureVolumeClaimTemplates(&ss.Spec, ss.Name)
return nil
}
func (e *ensurer) ensureVolumeClaimTemplates(spec *appsv1.StatefulSetSpec, name string) {
t := e.getVolumeClaimTemplate(name)
spec.VolumeClaimTemplates = controlplane.EnsurePVCWithName(spec.VolumeClaimTemplates, *t)
}
func (e *ensurer) getVolumeClaimTemplate(name string) *corev1.PersistentVolumeClaim {
var (
etcdStorage config.ETCDStorage
volumeClaimTemplateName = name
)
if name == common.EtcdMainStatefulSetName {
etcdStorage = *e.etcdStorage
volumeClaimTemplateName = controlplane.EtcdMainVolumeClaimTemplateName
}
return controlplane.GetETCDVolumeClaimTemplate(volumeClaimTemplateName, etcdStorage.ClassName, etcdStorage.Capacity)
}