ErrImageInspect = errors.New("ImageInspectError")

	// ErrImagePull - General image pull error
	ErrImagePull = errors.New("ErrImagePull")

	// ErrImageNeverPull - Required Image is absent on host and PullPolicy is NeverPullImage
	ErrImageNeverPull = errors.New("ErrImageNeverPull")

	// ErrInvalidImageName - Unable to parse the image name.
	ErrInvalidImageName = errors.New("InvalidImageName")
)

// Image event reason list
const (
	PullingImage            = "Pulling"
	PulledImage             = "Pulled"
	FailedToPullImage       = "Failed"
	FailedToInspectImage    = "InspectFailed"
	ErrImageNeverPullPolicy = "ErrImageNeverPull"
	BackOffPullImage        = "BackOff"
)

// kubelet event reason list
const (
	NodeReady                            = "NodeReady"
	NodeNotReady                         = "NodeNotReady"

			inspectErr: nil,
			pullerErr:  nil,
			qps:        0.0,
			burst:      0,
			expected: []pullerExpects{
				{[]string{"GetImageRef"}, ErrImageNeverPull, false, false},
				{[]string{"GetImageRef"}, ErrImageNeverPull, false, false},
				{[]string{"GetImageRef"}, ErrImageNeverPull, false, false},
			}},
		// missing image, unable to inspect
		{containerImage: "missing_image",
			testName:   "image missing, pull if not present",

		}
		msg := fmt.Sprintf("Container image %q is not present with pull policy of Never", container.Image)
		m.logIt(ref, v1.EventTypeWarning, events.ErrImageNeverPullPolicy, logPrefix, msg, klog.Warning)
		return "", msg, ErrImageNeverPull
	}

	backOffKey := fmt.Sprintf("%s_%s", pod.UID, container.Image)
	if m.backOff.IsInBackOffSinceUpdate(backOffKey, m.backOff.Clock.Now()) {
		msg := fmt.Sprintf("Back-off pulling image %q", container.Image)