/
extension.go
123 lines (106 loc) · 4.2 KB
/
extension.go
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// SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0
package botanist
import (
"context"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/utils/ptr"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
"github.com/gardener/gardener/pkg/component/extensions/extension"
)
// DefaultExtension creates the default deployer for the Extension custom resources.
func (b *Botanist) DefaultExtension(ctx context.Context) (extension.Interface, error) {
controllerRegistrations := &gardencorev1beta1.ControllerRegistrationList{}
if err := b.GardenClient.List(ctx, controllerRegistrations); err != nil {
return nil, err
}
return extension.New(
b.Logger,
b.SeedClientSet.Client(),
&extension.Values{
Namespace: b.Shoot.SeedNamespace,
Extensions: mergeExtensions(controllerRegistrations.Items, b.Shoot.GetInfo().Spec.Extensions, b.Shoot.SeedNamespace, b.Shoot.IsWorkerless),
},
extension.DefaultInterval,
extension.DefaultSevereThreshold,
extension.DefaultTimeout,
), nil
}
// DeployExtensionsAfterKubeAPIServer deploys the Extension custom resources and triggers the restore operation in case
// the Shoot is in the restore phase of the control plane migration.
func (b *Botanist) DeployExtensionsAfterKubeAPIServer(ctx context.Context) error {
if b.IsRestorePhase() {
return b.Shoot.Components.Extensions.Extension.RestoreAfterKubeAPIServer(ctx, b.Shoot.GetShootState())
}
return b.Shoot.Components.Extensions.Extension.DeployAfterKubeAPIServer(ctx)
}
// DeployExtensionsAfterWorker deploys the Extension custom resources and triggers the restore operation in case
// the Shoot is in the restore phase of the control plane migration.
func (b *Botanist) DeployExtensionsAfterWorker(ctx context.Context) error {
if b.IsRestorePhase() {
return b.Shoot.Components.Extensions.Extension.RestoreAfterWorker(ctx, b.Shoot.GetShootState())
}
return b.Shoot.Components.Extensions.Extension.DeployAfterWorker(ctx)
}
// DeployExtensionsBeforeKubeAPIServer deploys the Extension custom resources and triggers the restore operation in case
// the Shoot is in the restore phase of the control plane migration.
func (b *Botanist) DeployExtensionsBeforeKubeAPIServer(ctx context.Context) error {
if b.IsRestorePhase() {
return b.Shoot.Components.Extensions.Extension.RestoreBeforeKubeAPIServer(ctx, b.Shoot.GetShootState())
}
return b.Shoot.Components.Extensions.Extension.DeployBeforeKubeAPIServer(ctx)
}
func mergeExtensions(registrations []gardencorev1beta1.ControllerRegistration, extensions []gardencorev1beta1.Extension, namespace string, workerlessShoot bool) map[string]extension.Extension {
var (
typeToExtension = make(map[string]extension.Extension)
requiredExtensions = make(map[string]extension.Extension)
)
// Extensions enabled by default for all Shoot clusters.
for _, reg := range registrations {
for _, res := range reg.Spec.Resources {
if res.Kind != extensionsv1alpha1.ExtensionResource {
continue
}
timeout := extension.DefaultTimeout
if res.ReconcileTimeout != nil {
timeout = res.ReconcileTimeout.Duration
}
typeToExtension[res.Type] = extension.Extension{
Extension: extensionsv1alpha1.Extension{
ObjectMeta: metav1.ObjectMeta{
Name: res.Type,
Namespace: namespace,
},
Spec: extensionsv1alpha1.ExtensionSpec{
DefaultSpec: extensionsv1alpha1.DefaultSpec{
Type: res.Type,
},
},
},
Timeout: timeout,
Lifecycle: res.Lifecycle,
}
if res.GloballyEnabled != nil && *res.GloballyEnabled {
if workerlessShoot && !ptr.Deref(res.WorkerlessSupported, false) {
continue
}
requiredExtensions[res.Type] = typeToExtension[res.Type]
}
}
}
// Extensions defined in Shoot resource.
for _, extension := range extensions {
if obj, ok := typeToExtension[extension.Type]; ok {
if ptr.Deref(extension.Disabled, false) {
delete(requiredExtensions, extension.Type)
continue
}
obj.Spec.ProviderConfig = extension.ProviderConfig
requiredExtensions[extension.Type] = obj
continue
}
}
return requiredExtensions
}