const (
	LabelHostname           = "kubernetes.io/hostname"
	LabelZoneFailureDomain  = "failure-domain.beta.kubernetes.io/zone"
	LabelMultiZoneDelimiter = "__"
	LabelZoneRegion         = "failure-domain.beta.kubernetes.io/region"

	LabelInstanceType = "beta.kubernetes.io/instance-type"

	LabelOS   = "beta.kubernetes.io/os"
	LabelArch = "beta.kubernetes.io/arch"

	// LabelNamespaceSuffixKubelet is an allowed label namespace suffix kubelets can self-set ([*.]kubelet.kubernetes.io/*)
	LabelNamespaceSuffixKubelet = "kubelet.kubernetes.io"
	// LabelNamespaceSuffixNode is an allowed label namespace suffix kubelets can self-set ([*.]node.kubernetes.io/*)
	LabelNamespaceSuffixNode = "node.kubernetes.io"

	// LabelNamespaceNodeRestriction is a forbidden label namespace that kubelets may not self-set when the NodeRestriction admission plugin is enabled
	LabelNamespaceNodeRestriction = "node-restriction.kubernetes.io"
)

const (
	// When kubelet is started with the "external" cloud provider, then
	// it sets this annotation on the node to denote an ip address set from the
	// cmd line flag (--node-ip). This ip is verified with the cloudprovider as valid by
	// the cloud-controller-manager
	AnnotationProvidedIPAddr = "alpha.kubernetes.io/provided-node-ip"
)

var DefaultFailureDomains string = LabelHostname + "," + LabelZoneFailureDomain + "," + LabelZoneRegion