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add.go
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add.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 healthcheck
import (
"context"
"time"
apisconfig "github.com/gardener/gardener/extensions/pkg/apis/config"
extensionscontroller "github.com/gardener/gardener/extensions/pkg/controller"
"github.com/gardener/gardener/extensions/pkg/controller/healthcheck"
"github.com/gardener/gardener/extensions/pkg/controller/healthcheck/general"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/sets"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/manager"
certv1alpha1 "github.com/gardener/gardener-extension-shoot-cert-service/pkg/apis/service/v1alpha1"
certcontroller "github.com/gardener/gardener-extension-shoot-cert-service/pkg/controller"
)
var (
defaultSyncPeriod = time.Second * 30
// DefaultAddOptions are the default DefaultAddArgs for AddToManager.
DefaultAddOptions = healthcheck.DefaultAddArgs{
HealthCheckConfig: apisconfig.HealthCheckConfig{SyncPeriod: metav1.Duration{Duration: defaultSyncPeriod}},
}
)
// RegisterHealthChecks registers health checks for each extension resource
// HealthChecks are grouped by extension (e.g worker), extension.type (e.g aws) and Health Check Type (e.g SystemComponentsHealthy)
func RegisterHealthChecks(ctx context.Context, mgr manager.Manager, opts healthcheck.DefaultAddArgs) error {
preCheckFunc := func(_ context.Context, _ client.Client, _ client.Object, cluster *extensionscontroller.Cluster) bool {
return cluster.Shoot.Spec.DNS != nil && cluster.Shoot.Spec.DNS.Domain != nil
}
return healthcheck.DefaultRegistration(
ctx,
certcontroller.Type,
extensionsv1alpha1.SchemeGroupVersion.WithKind(extensionsv1alpha1.ExtensionResource),
func() client.ObjectList { return &extensionsv1alpha1.ExtensionList{} },
func() extensionsv1alpha1.Object { return &extensionsv1alpha1.Extension{} },
mgr,
opts,
nil,
[]healthcheck.ConditionTypeToHealthCheck{
{
ConditionType: string(gardencorev1beta1.ShootControlPlaneHealthy),
HealthCheck: NewIssuerWrapperHealthChecker(
general.CheckManagedResource(certv1alpha1.CertManagementResourceNameSeed)),
PreCheckFunc: preCheckFunc,
},
},
sets.Set[gardencorev1beta1.ConditionType]{},
)
}
// AddToManager adds a controller with the default Options.
func AddToManager(ctx context.Context, mgr manager.Manager) error {
return RegisterHealthChecks(ctx, mgr, DefaultAddOptions)
}