karmada/cmd/controller-manager/app/options/options.go

58 lines
2.0 KiB
Go

package options
import (
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/leaderelection/resourcelock"
componentbaseconfig "k8s.io/component-base/config"
"k8s.io/klog/v2"
)
var (
defaultElectionLeaseDuration = metav1.Duration{Duration: 15 * time.Second}
defaultElectionRenewDeadline = metav1.Duration{Duration: 10 * time.Second}
defaultElectionRetryPeriod = metav1.Duration{Duration: 2 * time.Second}
)
// Options contains everything necessary to create and run controller-manager.
type Options struct {
KubeConfig *rest.Config
HostNamespace string
LeaderElection componentbaseconfig.LeaderElectionConfiguration
}
// NewOptions builds an empty options.
func NewOptions() *Options {
return &Options{}
}
// Complete fills in any fields not set that are required to have valid data. It's mutating the receiver.
func (o *Options) Complete() {
if len(o.HostNamespace) == 0 {
o.HostNamespace = "default"
klog.Infof("Set default value: Options.HostNamespace = %s", "default")
}
if len(o.LeaderElection.ResourceLock) == 0 {
o.LeaderElection.ResourceLock = resourcelock.EndpointsLeasesResourceLock
klog.Infof("Set default value: Options.LeaderElection.ResourceLock = %s", resourcelock.EndpointsLeasesResourceLock)
}
if o.LeaderElection.LeaseDuration.Duration.Seconds() == 0 {
o.LeaderElection.LeaseDuration = defaultElectionLeaseDuration
klog.Infof("Set default value: Options.LeaderElection.LeaseDuration = %s", defaultElectionLeaseDuration.Duration.String())
}
if o.LeaderElection.RenewDeadline.Duration.Seconds() == 0 {
o.LeaderElection.RenewDeadline = defaultElectionRenewDeadline
klog.Infof("Set default value: Options.LeaderElection.RenewDeadline = %s", defaultElectionRenewDeadline.Duration.String())
}
if o.LeaderElection.RetryPeriod.Duration.Seconds() == 0 {
o.LeaderElection.RetryPeriod = defaultElectionRetryPeriod
klog.Infof("Set default value: Options.LeaderElection.RetryPeriod = %s", defaultElectionRetryPeriod.Duration.String())
}
}