volumeStatsHealthAbnormalDesc = metrics.NewDesc(
		metrics.BuildFQName("", kubeletmetrics.KubeletSubsystem, kubeletmetrics.VolumeStatsHealthStatusAbnormalKey),
		"Abnormal volume health status. The count is either 1 or 0. 1 indicates the volume is unhealthy, 0 indicates volume is healthy",
		[]string{"namespace", "persistentvolumeclaim"}, nil,
		metrics.ALPHA, "")
)

type volumeStatsCollector struct {
	metrics.BaseStableCollector

	}
	return nil
}

// NamedCheck returns a healthz checker for the given name and function.
func NamedCheck(name string, check func(r *http.Request) error) HealthChecker {
	return &healthzCheck{name, check}
}

// InstallHandler registers handlers for health checking on the path
// "/healthz" to mux. *All handlers* for mux must be specified in

	}

	// Check if all the previously allocated devices are healthy
	if !healthyDevices.IsSuperset(devices) {
		return nil, fmt.Errorf("previously allocated devices are no longer healthy; cannot allocate unhealthy devices %s", resource)
	}

	// We handled the known error paths in scenario 3 (node reboot), so from now on we can fall back in a common path.

		},
	}
}

// makeAPIServiceAvailableHealthCheck returns a healthz check that returns healthy
// once all of the specified services have been observed to be available at least once.
func makeAPIServiceAvailableHealthCheck(name string, apiServices []*v1.APIService, apiServiceInformer informers.APIServiceInformer) healthz.HealthChecker {
	// Track the auto-registered API services that have not been observed to be available yet

			})

			healthy := erasureSetUpCount[poolIdx][setIdx].online >= poolWriteQuorums[poolIdx]
			if !healthy {
				storageLogIf(logger.SetReqInfo(ctx, reqInfo),
					fmt.Errorf("Write quorum may be lost on pool: %d, set: %d, expected write quorum: %d",
						poolIdx, setIdx, poolWriteQuorums[poolIdx]), logger.FatalKind)
			}
			result.Healthy = result.Healthy && healthy

			}
		}
		return errs.ToError()
	}
	scopes.Framework.Infof("waiting for IOP to become healthy")
	err := retry.UntilSuccess(retryFunc, retry.Timeout(retryTimeOut), retry.Delay(retryDelay))
	if err != nil {
		return fmt.Errorf("istioOperator status is not healthy: %v", err)
	}
	return nil
}

func cleanupInClusterCRs(t framework.TestContext, cs cluster.Cluster) {

func runApply(flagSet *pflag.FlagSet, flags *applyFlags, args []string) error {

	// Start with the basics, verify that the cluster is healthy and get the configuration from the cluster (using the ConfigMap)
	klog.V(1).Infoln("[upgrade/apply] verifying health of cluster")
	klog.V(1).Infoln("[upgrade/apply] retrieving configuration from cluster")

And it shows their true commitment to FastAPI and its **community** (you), as they not only want to provide you a **good service** but also want to make sure you have a **good and healthy framework**, FastAPI. 🙇

    :Port => port,
    :AcceptCallback => -> (s) { s.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1) },
)

trap 'INT' do server.shutdown end

server.mount_proc '/health' do |req, res|
    res.status = 200
    res.body = {'status' => 'Details is healthy'}.to_json
    res['Content-Type'] = 'application/json'
end

server.mount_proc '/details' do |req, res|
    pathParts = req.path.split('/')

// minKMSPluginCloseGracePeriod can be lowered in unit tests to make the health check poll faster
var minKMSPluginCloseGracePeriod = 10 * time.Second

func (d *DynamicEncryptionConfigContent) validateNewTransformersHealth(
	ctx context.Context,
	kmsPluginHealthzCheck healthz.HealthChecker,
	kmsPluginCloseGracePeriod time.Duration,
) error {
	// test if new transformers are healthy
	var healthCheckError error