/
app.go
108 lines (86 loc) · 3.67 KB
/
app.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 app
import (
"context"
"fmt"
certv1alpha1 "github.com/gardener/cert-management/pkg/apis/cert/v1alpha1"
extensionscontroller "github.com/gardener/gardener/extensions/pkg/controller"
"github.com/gardener/gardener/extensions/pkg/controller/heartbeat"
"github.com/gardener/gardener/extensions/pkg/util"
"github.com/spf13/cobra"
corev1 "k8s.io/api/core/v1"
componentbaseconfig "k8s.io/component-base/config"
"k8s.io/component-base/version/verflag"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/manager"
serviceinstall "github.com/gardener/gardener-extension-shoot-cert-service/pkg/apis/service/install"
"github.com/gardener/gardener-extension-shoot-cert-service/pkg/controller"
"github.com/gardener/gardener-extension-shoot-cert-service/pkg/controller/healthcheck"
)
// NewServiceControllerCommand creates a new command that is used to start the Certificate Service controller.
func NewServiceControllerCommand() *cobra.Command {
options := NewOptions()
cmd := &cobra.Command{
Use: "shoot-cert-service-controller-manager",
Short: "Shoot Cert Service Controller manages components which provide certificate services.",
SilenceErrors: true,
RunE: func(cmd *cobra.Command, args []string) error {
verflag.PrintAndExitIfRequested()
if err := options.optionAggregator.Complete(); err != nil {
return fmt.Errorf("error completing options: %s", err)
}
if err := options.heartbeatOptions.Validate(); err != nil {
return err
}
cmd.SilenceUsage = true
return options.run(cmd.Context())
},
}
options.optionAggregator.AddFlags(cmd.Flags())
return cmd
}
func (o *Options) run(ctx context.Context) error {
// TODO: Make these flags configurable via command line parameters or component config file.
util.ApplyClientConnectionConfigurationToRESTConfig(&componentbaseconfig.ClientConnectionConfiguration{
QPS: 100.0,
Burst: 130,
}, o.restOptions.Completed().Config)
mgrOpts := o.managerOptions.Completed().Options()
mgrOpts.Client = client.Options{
Cache: &client.CacheOptions{
DisableFor: []client.Object{
&corev1.Secret{}, // applied for ManagedResources
&corev1.ConfigMap{}, // applied for monitoring config
},
},
}
mgr, err := manager.New(o.restOptions.Completed().Config, mgrOpts)
if err != nil {
return fmt.Errorf("could not instantiate controller-manager: %s", err)
}
if err := extensionscontroller.AddToScheme(mgr.GetScheme()); err != nil {
return fmt.Errorf("could not update manager scheme: %s", err)
}
if err := serviceinstall.AddToScheme(mgr.GetScheme()); err != nil {
return fmt.Errorf("could not update manager scheme: %s", err)
}
if err := certv1alpha1.AddToScheme(mgr.GetScheme()); err != nil {
return fmt.Errorf("could not update manager scheme: %s", err)
}
ctrlConfig := o.certOptions.Completed()
ctrlConfig.ApplyHealthCheckConfig(&healthcheck.DefaultAddOptions.HealthCheckConfig)
ctrlConfig.Apply(&controller.DefaultAddOptions.ServiceConfig)
o.controllerOptions.Completed().Apply(&controller.DefaultAddOptions.ControllerOptions)
o.healthOptions.Completed().Apply(&healthcheck.DefaultAddOptions.Controller)
o.reconcileOptions.Completed().Apply(&controller.DefaultAddOptions.IgnoreOperationAnnotation)
o.heartbeatOptions.Completed().Apply(&heartbeat.DefaultAddOptions)
if err := o.controllerSwitches.Completed().AddToManager(ctx, mgr); err != nil {
return fmt.Errorf("could not add controllers to manager: %s", err)
}
if err := mgr.Start(ctx); err != nil {
return fmt.Errorf("error running manager: %s", err)
}
return nil
}