expectedError:       nil,
		},
		{
			desc:                "Unhealthy - 500 status code",
			statusCode:          500,
			expectedProbeResult: Unhealthy,
			expectedError:       errors.New("status code was not from [200,400)"),
		},
		{
			desc:                "Unhealthy - Could not connect to server",
			statusCode:          -1,
			expectedProbeResult: Unhealthy,

	fs.Float32Var(&o.SecondaryNodeEvictionRate, "secondary-node-eviction-rate", 0.01, "Number of nodes per second on which pods are deleted in case of node failure when a zone is unhealthy (see --unhealthy-zone-threshold for definition of healthy/unhealthy). Zone refers to entire cluster in non-multizone clusters. This...

	SecondaryNodeEvictionRate float32
	// nodeStartupGracePeriod is the amount of time which we allow starting a node to
	// be unresponsive before marking it unhealthy.
	NodeStartupGracePeriod metav1.Duration
	// NodeMonitorGracePeriod is the amount of time which we allow a running node to be
	// unresponsive before marking it unhealthy. Must be N times more than kubelet's

        given:
        Logger logger = Mock(Logger)
        DaemonHealthStats stats = Mock(DaemonHealthStats)
        stats.getNonHeapStats() >> belowThreshold
        def underTest = new HealthExpirationStrategy(stats, strategy, logger)

        // If there is no unhealthy condition, we expect no logging.
        when:

		return false, nil
	}

	// Clean up unhealthy replicas first, otherwise unhealthy replicas will block deployment
	// and cause timeout. See https://github.com/kubernetes/kubernetes/issues/16737
	oldRSs, cleanupCount, err := dc.cleanupUnhealthyReplicas(ctx, oldRSs, deployment, maxScaledDown)
	if err != nil {
		return false, nil
	}
	logger.V(4).Info("Cleaned up unhealthy replicas from old RSes", "count", cleanupCount)

	// target was healthy.
	Probe(timeout time.Duration) (ProbeResult, error)
}

type ProbeResult string

const (
	Healthy   ProbeResult = "HEALTHY"
	Unhealthy ProbeResult = "UNHEALTHY"
	Unknown   ProbeResult = "UNKNOWN"
)

func (p *ProbeResult) IsHealthy() bool {
	return *p == Healthy
}

type HTTPProber struct {
	Config    *v1alpha3.HTTPHealthCheckConfig

	erasureSetReadHealthMD = NewGaugeMD(erasureSetReadHealth,
		"Health of the erasure set in a pool for read operations (1=healthy, 0=unhealthy)",
		poolIDL, setIDL)
	erasureSetWriteHealthMD = NewGaugeMD(erasureSetWriteHealth,
		"Health of the erasure set in a pool for write operations (1=healthy, 0=unhealthy)",
		poolIDL, setIDL)
)

func b2f(v bool) float64 {
	if v {
		return 1
	}
	return 0
}

    args = {
      service_version = "v-unavailable"
    }
    source = "ratings"
  },
  {
    name = "examples-bookinfo-ratings-v-unhealthy"
    args = {
      service_version = "v-unhealthy"
    }
    source = "ratings"
  },

  // mysql
  {
    name   = "examples-bookinfo-mysqldb"
    source = "mysql"
  },

  // mongo
  {

			validateEndpoints := func(expectPush bool, healthy []string, unhealthy []string) {
				t.Helper()
				// Normalize lists to make comparison easier
				if healthy == nil {
					healthy = []string{}
				}
				if unhealthy == nil {
					unhealthy = []string{}
				}
				sort.Strings(healthy)
				sort.Strings(unhealthy)
				if expectPush {
					upd, err := adscon.Wait(5*time.Second, v3.EndpointType)

/**
 * A {@link DaemonExpirationStrategy} which monitors daemon health and expires the daemon
 * whenever unhealthy conditions are detected. Currently, this strategy monitors JVM memory
 * health by detecting GC thrashing and excessive heap or metaspace usage. In addition to
 * expiring the daemon, whenever unhealthy conditions are detected, this strategy will
 * print a warning log to the console informing the user of the issue and instructing them