const (
	// TaintNodeNotReady will be added when node is not ready
	// and feature-gate for TaintBasedEvictions flag is enabled,
	// and removed when node becomes ready.
	TaintNodeNotReady = "node.kubernetes.io/not-ready"

	// TaintNodeUnreachable will be added when node becomes unreachable
	// (corresponding to NodeReady status ConditionUnknown)
	// and feature-gate for TaintBasedEvictions flag is enabled,
	// and removed when node becomes reachable (NodeReady status ConditionTrue).
	TaintNodeUnreachable = "node.kubernetes.io/unreachable"

	// TaintNodeUnschedulable will be added when node becomes unschedulable
	// and feature-gate for TaintNodesByCondition flag is enabled,
	// and removed when node becomes scheduable.
	TaintNodeUnschedulable = "node.kubernetes.io/unschedulable"

	// TaintNodeMemoryPressure will be added when node has memory pressure
	// and feature-gate for TaintNodesByCondition flag is enabled,
	// and removed when node has enough memory.
	TaintNodeMemoryPressure = "node.kubernetes.io/memory-pressure"

	// TaintNodeDiskPressure will be added when node has disk pressure
	// and feature-gate for TaintNodesByCondition flag is enabled,
	// and removed when node has enough disk.
	TaintNodeDiskPressure = "node.kubernetes.io/disk-pressure"

	// TaintNodeNetworkUnavailable will be added when node's network is unavailable
	// and feature-gate for TaintNodesByCondition flag is enabled,
	// and removed when network becomes ready.
	TaintNodeNetworkUnavailable = "node.kubernetes.io/network-unavailable"

	// TaintNodePIDPressure will be added when node has pid pressure
	// and feature-gate for TaintNodesByCondition flag is enabled,
	// and removed when node has enough disk.
	TaintNodePIDPressure = "node.kubernetes.io/pid-pressure"

	// TaintExternalCloudProvider sets this taint on a node to mark it as unusable,
	// when kubelet is started with the "external" cloud provider, until a controller
	// from the cloud-controller-manager intitializes this node, and then removes
	// the taint
	TaintExternalCloudProvider = "node.cloudprovider.kubernetes.io/uninitialized"

	// TaintNodeShutdown when node is shutdown in external cloud provider
	TaintNodeShutdown = "node.cloudprovider.kubernetes.io/shutdown"

	// NodeFieldSelectorKeyNodeName ('metadata.name') uses this as node field selector key
	// when selecting node by node's name.
	NodeFieldSelectorKeyNodeName = api.ObjectNameField
)