kubernetes/pkg/util/tolerations/tolerations.go

// VerifyAgainstWhitelist checks if the provided tolerations
// satisfy the provided whitelist and returns true, otherwise returns false
func VerifyAgainstWhitelist(tolerations, whitelist []api.Toleration) bool { … }

// MergeTolerations merges two sets of tolerations into one. If one toleration is a superset of
// another, only the superset is kept.
func MergeTolerations(first, second []api.Toleration) []api.Toleration { … }

// isSuperset checks whether ss tolerates a superset of t.
func isSuperset(ss, t api.Toleration) bool { … }