utils

Documentation

Overview

Package utils collects all the logic shared between different controllers

Package utils collects all the logic shared between different controllers

Index

• Constants
• func CheckLabels(ns *corev1.Namespace, matchLabels map[string]string) bool
• func CheckSelectorLabel(ctx context.Context, k8sClient client.Client, namespaceName string, ...) (bool, error)
• func CheckSingleLabel(obj client.Object, label, value string) bool
• func Contains(slice []string, value string) bool
• func EnforceObjectAbsence(ctx context.Context, c client.Client, obj client.Object, kind string) error
• func FromResult(result controllerutil.OperationResult) int
• func HTTPGet(ctx context.Context, url string, timeout time.Duration) (statusCode int, contents []byte, err error)
• func HTTPGetJSONIntoStruct(ctx context.Context, url string, obj interface{}, timeout time.Duration) (statusCode int, err error)
• func LogConstructor(logger logr.Logger, ctrlname string) func(*reconcile.Request) logr.Logger
• func LongThreshold() time.Duration
• func MatchOneInStringSlices(a, b []string) bool
• func ParseDockerDirectory(name string) string

Constants

const (
	// LogInfoLevel -> level associated with informational messages.
	LogInfoLevel = 0
	// LogDebugLevel -> level associated with debug messages.
	LogDebugLevel = 2
)

Functions

func CheckLabels

func CheckLabels(ns *corev1.Namespace, matchLabels map[string]string) bool

CheckLabels verifies whether a namespace is characterized by a set of required labels.

func CheckSelectorLabel

func CheckSelectorLabel(ctx context.Context, k8sClient client.Client, namespaceName string, matchLabels map[string]string) (bool, error)

CheckSelectorLabel checks if the given namespace belongs to the whitelisted namespaces where to perform reconciliation.

func CheckSingleLabel

func CheckSingleLabel(obj client.Object, label, value string) bool

CheckSingleLabel checks if the instance has the label and value.

func Contains

func Contains(slice []string, value string) bool

Contains checks if the value is contained in the slice.

func EnforceObjectAbsence

func EnforceObjectAbsence(ctx context.Context, c client.Client, obj client.Object, kind string) error

EnforceObjectAbsence deletes a Kubernetes object and prints the appropriate log messages, without failing if it does not exist.

func FromResult

func FromResult(result controllerutil.OperationResult) int

FromResult returns a logger level, given the result of a CreateOrUpdate operation.

func HTTPGet

func HTTPGet(ctx context.Context, url string, timeout time.Duration) (statusCode int, contents []byte, err error)

HTTPGet performs a HTTP GET request to the given URL.

func HTTPGetJSONIntoStruct

func HTTPGetJSONIntoStruct(ctx context.Context, url string, obj interface{}, timeout time.Duration) (statusCode int, err error)

HTTPGetJSONIntoStruct performs a HTTP GET request to the given URL and unmarshals the response into the given struct.

func LogConstructor

func LogConstructor(logger logr.Logger, ctrlname string) func(*reconcile.Request) logr.Logger

LogConstructor returns a constructor for a logger to be used by the given controller.

func LongThreshold

func LongThreshold() time.Duration

LongThreshold returns the duration used to trigger tracing printing.

func MatchOneInStringSlices

func MatchOneInStringSlices(a, b []string) bool

MatchOneInStringSlices checks if there's at least one common string between two string slices.

func ParseDockerDirectory

func ParseDockerDirectory(name string) string

ParseDockerDirectory returns a valid Docker image directory.