const MODIFIED … const TAINTED … const UNTAINTED … // parseTaints takes a spec which is an array and creates slices for new taints to be added, taints to be deleted. // It also validates the spec. For example, the form `<key>` may be used to remove a taint, but not to add one. func parseTaints(spec []string) ([]corev1.Taint, []corev1.Taint, error) { … } // parseTaint parses a taint from a string, whose form must be either // '<key>=<value>:<effect>', '<key>:<effect>', or '<key>'. func parseTaint(st string) (corev1.Taint, error) { … } func validateTaintEffect(effect corev1.TaintEffect) error { … } // reorganizeTaints returns the updated set of taints, taking into account old taints that were not updated, // old taints that were updated, old taints that were deleted, and new taints. func reorganizeTaints(node *corev1.Node, overwrite bool, taintsToAdd []corev1.Taint, taintsToRemove []corev1.Taint) (string, []corev1.Taint, error) { … } // deleteTaints deletes the given taints from the node's taintlist. func deleteTaints(taintsToRemove []corev1.Taint, newTaints *[]corev1.Taint) ([]error, bool) { … } // addTaints adds the newTaints list to existing ones and updates the newTaints List. // TODO: This needs a rewrite to take only the new values instead of appended newTaints list to be consistent. func addTaints(oldTaints []corev1.Taint, newTaints *[]corev1.Taint) bool { … } // checkIfTaintsAlreadyExists checks if the node already has taints that we want to add and returns a string with taint keys. func checkIfTaintsAlreadyExists(oldTaints []corev1.Taint, taints []corev1.Taint) string { … } // deleteTaintsByKey removes all the taints that have the same key to given taintKey func deleteTaintsByKey(taints []corev1.Taint, taintKey string) ([]corev1.Taint, bool) { … } // deleteTaint removes all the taints that have the same key and effect to given taintToDelete. func deleteTaint(taints []corev1.Taint, taintToDelete *corev1.Taint) ([]corev1.Taint, bool) { … }
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