taints

package
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Published: Feb 27, 2024 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Overview

package taints implements utilities for working with taints

Index

Constants

View Source
const (
	MODIFIED  = "modified"
	TAINTED   = "tainted"
	UNTAINTED = "untainted"
)

Variables

This section is empty.

Functions

func AddOrUpdateTaint

func AddOrUpdateTaint(node *v1.Node, taint *v1.Taint) (*v1.Node, bool, error)

AddOrUpdateTaint tries to add a taint to annotations list. Returns a new copy of updated Node and true if something was updated false otherwise.

func CheckIfTaintsAlreadyExists

func CheckIfTaintsAlreadyExists(oldTaints []v1.Taint, taints []v1.Taint) string

CheckIfTaintsAlreadyExists checks if the node already has taints that we want to add and returns a string with taint keys.

func CheckTaintValidation

func CheckTaintValidation(taint v1.Taint) error

CheckTaintValidation checks if the given taint is valid. Returns error if the given taint is invalid.

func DeleteTaint

func DeleteTaint(taints []v1.Taint, taintToDelete *v1.Taint) ([]v1.Taint, bool)

DeleteTaint removes all the taints that have the same key and effect to given taintToDelete.

func DeleteTaintsByKey

func DeleteTaintsByKey(taints []v1.Taint, taintKey string) ([]v1.Taint, bool)

DeleteTaintsByKey removes all the taints that have the same key to given taintKey

func ParseTaints

func ParseTaints(spec []string) ([]v1.Taint, []v1.Taint, error)

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 RemoveTaint

func RemoveTaint(node *v1.Node, taint *v1.Taint) (*v1.Node, bool, error)

RemoveTaint tries to remove a taint from annotations list. Returns a new copy of updated Node and true if something was updated false otherwise.

func TaintExists

func TaintExists(taints []v1.Taint, taintToFind *v1.Taint) bool

TaintExists checks if the given taint exists in list of taints. Returns true if exists false otherwise.

func TaintKeyExists

func TaintKeyExists(taints []v1.Taint, taintKeyToMatch string) bool

TaintKeyExists checks if the given taint key exists in list of taints. Returns true if exists false otherwise.

func TaintSetDiff

func TaintSetDiff(taintsNew, taintsOld []v1.Taint) (taintsToAdd []*v1.Taint, taintsToRemove []*v1.Taint)

TaintSetDiff finds the difference between two taint slices and returns all new and removed elements of the new slice relative to the old slice. for example: input: taintsNew=[a b] taintsOld=[a c] output: taintsToAdd=[b] taintsToRemove=[c]

func TaintSetFilter

func TaintSetFilter(taints []v1.Taint, fn func(*v1.Taint) bool) []v1.Taint

TaintSetFilter filters from the taint slice according to the passed fn function to get the filtered taint slice.

Types

This section is empty.

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