// limitations under the License.

package leaderelection

import (
	"context"
	"fmt"
	"os"
	"strings"
	"sync"
	"time"

	"go.uber.org/atomic"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/client-go/kubernetes"

	"istio.io/istio/pilot/pkg/features"
	"istio.io/istio/pilot/pkg/leaderelection/k8sleaderelection"
	"istio.io/istio/pilot/pkg/leaderelection/k8sleaderelection/k8sresourcelock"

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

// Package leaderelection implements leader election of a set of endpoints.
// It uses an annotation in the endpoints object to store the record of the
// election state. This implementation does not guarantee that only one

		cfg.LeaderElection.LeaderElect = o.LeaderElection.LeaderElect
	}
	if leaderelection.Changed("leader-elect-lease-duration") {
		cfg.LeaderElection.LeaseDuration = o.LeaderElection.LeaseDuration
	}
	if leaderelection.Changed("leader-elect-renew-deadline") {
		cfg.LeaderElection.RenewDeadline = o.LeaderElection.RenewDeadline
	}
	if leaderelection.Changed("leader-elect-retry-period") {

	//nolint:staticcheck // SA1019 this deprecated field still needs to be used for now. It will be removed once the migration is done.
	EventBroadcaster events.EventBroadcasterAdapter

	// LeaderElection is optional.
	LeaderElection *leaderelection.LeaderElectionConfig

	// PodMaxInUnschedulablePodsDuration is the maximum time a pod can stay in
	// unschedulablePods. If a pod stays in unschedulablePods for longer than this

	}

	if len(obj.LeaderElection.ResourceLock) == 0 {
		// Use lease-based leader election to reduce cost.
		// We migrated for EndpointsLease lock in 1.17 and starting in 1.20 we
		// migrated to Lease lock.
		obj.LeaderElection.ResourceLock = "leases"
	}
	if len(obj.LeaderElection.ResourceNamespace) == 0 {
		obj.LeaderElection.ResourceNamespace = configv1.SchedulerDefaultLockObjectNamespace
	}

) (*LeaderElection, chan struct{}) {
	t.Helper()
	return createElectionMulticluster(t, name, revision, false, false, watcher, expectLeader, client, fns...)
}

func createPerRevisionElection(t *testing.T,
	name string, revision string,
	watcher revisions.DefaultWatcher,
	expectLeader bool,
	client kubernetes.Interface,
) (*LeaderElection, chan struct{}) {
	t.Helper()

		logger.V(3).Info("Handlers synced")
	}
	if !cc.ComponentConfig.DelayCacheUntilActive || cc.LeaderElection == nil {
		startInformersAndWaitForSync(ctx)
	}
	// If leader election is enabled, runCommand via LeaderElector until done and exit.
	if cc.LeaderElection != nil {
		cc.LeaderElection.Callbacks = leaderelection.LeaderCallbacks{
			OnStartedLeading: func(ctx context.Context) {
				close(waitingForLeader)

	invalidParallelismValue.Parallelism = 0

	resourceNameNotSet := validConfig.DeepCopy()
	resourceNameNotSet.LeaderElection.ResourceName = ""

	resourceNamespaceNotSet := validConfig.DeepCopy()
	resourceNamespaceNotSet.LeaderElection.ResourceNamespace = ""

	resourceLockNotLeases := validConfig.DeepCopy()
	resourceLockNotLeases.LeaderElection.ResourceLock = "configmap"

	enableContentProfilingSetWithoutEnableProfiling := validConfig.DeepCopy()

apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: volume-snapshot-controller-leaderelection
  namespace: kube-system
  labels:
    addonmanager.kubernetes.io/mode: Reconcile
subjects:
  - kind: ServiceAccount
    name: volume-snapshot-controller
    namespace: kube-system
roleRef:
  kind: Role
  name: volume-snapshot-controller-leaderelection

			obj.Generic.ClientConnection.ContentType = fmt.Sprintf("%s/%s.%s.%s", c.RandString(), c.RandString(), c.RandString(), c.RandString())
			if obj.Generic.LeaderElection.ResourceLock == "" {
				obj.Generic.LeaderElection.ResourceLock = "endpoints"
			}
			obj.Generic.Controllers = []string{fmt.Sprintf("%s", c.RandString())}
			if obj.KubeCloudShared.ClusterName == "" {