447a51f08b
* feat: kubesphere 4.0 Signed-off-by: ci-bot <ci-bot@kubesphere.io> * feat: kubesphere 4.0 Signed-off-by: ci-bot <ci-bot@kubesphere.io> --------- Signed-off-by: ci-bot <ci-bot@kubesphere.io> Co-authored-by: ks-ci-bot <ks-ci-bot@example.com> Co-authored-by: joyceliu <joyceliu@yunify.com>
82 lines
2.0 KiB
Go
82 lines
2.0 KiB
Go
/*
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* Please refer to the LICENSE file in the root directory of the project.
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* https://github.com/kubesphere/kubesphere/blob/master/LICENSE
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*/
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package kubectl
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import (
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"context"
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"time"
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coordinationv1 "k8s.io/api/coordination/v1"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/klog/v2"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"kubesphere.io/kubesphere/pkg/constants"
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"kubesphere.io/kubesphere/pkg/controller"
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)
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const controllerName = "kubectl"
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type Reconciler struct {
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client.Client
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resyncPeriod time.Duration
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renewPeriod time.Duration
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}
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func (r *Reconciler) Name() string {
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return controllerName
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}
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func (r *Reconciler) NeedLeaderElection() bool {
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return true
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}
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func (r *Reconciler) SetupWithManager(mgr *controller.Manager) error {
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r.Client = mgr.GetClient()
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r.resyncPeriod = time.Minute
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r.renewPeriod = time.Minute
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return mgr.Add(r)
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}
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func (r *Reconciler) Start(ctx context.Context) error {
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go wait.UntilWithContext(ctx, func(ctx context.Context) {
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if err := r.reconcile(ctx); err != nil {
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klog.Errorf("%s controller reconcile error: %s\n", controllerName, err.Error())
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}
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}, r.resyncPeriod)
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return nil
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}
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func (r *Reconciler) reconcile(ctx context.Context) error {
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leases := &coordinationv1.LeaseList{}
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if err := r.List(ctx, leases, client.MatchingLabels{constants.KubectlPodLabel: ""}); err != nil {
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return err
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}
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// The minimum required heartbeat time, the heartbeat time of all leases must be greater than this
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heartbeatTime := time.Now().Add(-r.renewPeriod)
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for i := range leases.Items {
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lease := &leases.Items[i]
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if lease.Spec.RenewTime.After(heartbeatTime) {
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continue
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}
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pod := &corev1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: lease.Namespace,
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Name: lease.Name,
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},
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}
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if err := r.Delete(ctx, pod, client.GracePeriodSeconds(0)); err != nil && !errors.IsNotFound(err) {
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klog.Errorf("deleting Pod %s/%s failed: %s, will retry", pod.Namespace, pod.Name, err.Error())
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}
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}
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return nil
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}
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