RelistPeriod time.Duration
	// The relisting threshold needs to be greater than the relisting period +
	// the relisting time, which can vary significantly. Set a conservative
	// threshold to avoid flipping between healthy and unhealthy.
	RelistThreshold time.Duration
}

const (
	// ContainerStarted - event type when the new state of container is running.
	ContainerStarted PodLifeCycleEventType = "ContainerStarted"

// ProxierHealthServer allows callers to:
//  1. run a http server with /healthz and /livez endpoint handlers.
//  2. update healthz timestamps before and after synchronizing dataplane.
//  3. sync node status, for reporting unhealthy /healthz response
//     if the node is marked for deletion by autoscaler.
//  4. get proxy health by verifying that the delay between QueuedUpdate()
//     calls and Updated() calls exceeded healthTimeout or not.

  // +optional
  optional .k8s.io.apimachinery.pkg.util.intstr.IntOrString maxUnavailable = 3;

  // UnhealthyPodEvictionPolicy defines the criteria for when unhealthy pods
  // should be considered for eviction. Current implementation considers healthy pods,
  // as pods that have status.conditions item with type="Ready",status="True".
  //

	"unhealthyPodEvictionPolicy": "UnhealthyPodEvictionPolicy defines the criteria for when unhealthy pods should be considered for eviction. Current implementation considers healthy pods, as pods that have status.conditions item with type=\"Ready\",status=\"True\".\n\nValid policies are IfHealthyBudget and AlwaysAllow. If no policy is specified,...

	"unhealthyPodEvictionPolicy": "UnhealthyPodEvictionPolicy defines the criteria for when unhealthy pods should be considered for eviction. Current implementation considers healthy pods, as pods that have status.conditions item with type=\"Ready\",status=\"True\".\n\nValid policies are IfHealthyBudget and AlwaysAllow. If no policy is specified,...

  // +optional
  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString maxUnavailable = 3;

  // UnhealthyPodEvictionPolicy defines the criteria for when unhealthy pods
  // should be considered for eviction. Current implementation considers healthy pods,
  // as pods that have status.conditions item with type="Ready",status="True".
  //

  local output=""
  while true; do
    if ! output=$(curl -m "${max_seconds}" -f -s -S http://127.0.0.1:10248/healthz 2>&1); then
      # Print the response and/or errors.
      echo "${output}"
      echo "Kubelet is unhealthy!"
      systemctl kill kubelet
      # Wait for a while, as we don't want to kill it again before it is really up.
      sleep 60
    else
      sleep "${SLEEP_SECONDS}"
    fi
  done
}

  // +optional
  optional .k8s.io.apimachinery.pkg.util.intstr.IntOrString maxUnavailable = 3;

  // UnhealthyPodEvictionPolicy defines the criteria for when unhealthy pods
  // should be considered for eviction. Current implementation considers healthy pods,
  // as pods that have status.conditions item with type="Ready",status="True".
  //

		"PILOT_SEND_UNHEALTHY_ENDPOINTS",
		false,
		"If enabled, Pilot will include unhealthy endpoints in EDS pushes and even if they are sent Envoy does not use them for load balancing."+
			"  To avoid, sending traffic to non ready endpoints, enabling this flag, disables panic threshold in Envoy i.e. Envoy does not load balance requests"+

				// new endpoint. Always send new healthy endpoints.
				// Also send new unhealthy endpoints when SendUnhealthyEndpoints is enabled.
				// This is OK since we disable panic threshold when SendUnhealthyEndpoints is enabled.
				if nie.HealthStatus != UnHealthy || features.SendUnhealthyEndpoints.Load() {
					needPush = true
				}
				newIstioEndpoints = append(newIstioEndpoints, nie)
			}