utils

func CheapestInstanceType ¶

func CheapestInstanceType(instanceTypes []*cloudprovider.InstanceType) (*cloudprovider.InstanceType, error)

CheapestInstanceType returns the lowest-price instance type from the set.

func DedupeTags ¶

func DedupeTags(tags []string) []string

func FilterInstanceTypes ¶

func FilterInstanceTypes(ctx context.Context, instanceTypes []*cloudprovider.InstanceType, nodeClaim *karpv1.NodeClaim) ([]*cloudprovider.InstanceType, error)

FilterInstanceTypes applies common filters to available instance types.

func GetInstanceTagsForLKE ¶

func GetInstanceTagsForLKE(nodeClaimName string) map[string]string

func GetNodeClassHash ¶

func GetNodeClassHash(nodeClass *v1alpha1.LinodeNodeClass) string

func GetTags ¶

func GetTags(nodeClass *v1alpha1.LinodeNodeClass, nodeClaim *karpv1.NodeClaim, clusterName string) map[string]string

func GetTagsForLKE ¶

func GetTagsForLKE(nodeClass *v1alpha1.LinodeNodeClass, nodeClaim *karpv1.NodeClaim, clusterName string) map[string]string

func IsRetryableError ¶

func IsRetryableError(err error) bool

func LookupInstanceByTag ¶

func LookupInstanceByTag(ctx context.Context, client sdk.LinodeAPI, tag string) (*linodego.Instance, error)

LookupInstanceByTag returns the single Linode instance matching the provided tag.

func MapToTagList ¶

func MapToTagList(m map[string]string) []string

func ParseInstanceID ¶

func ParseInstanceID(providerID string) (string, error)

ParseInstanceID parses the provider ID stored on the node to get the instance ID associated with a node

func PrettySlice ¶

func PrettySlice[T any](s []T, maxItems int) string

PrettySlice truncates a slice after a certain number of max items to ensure that the Slice isn't too long

func TagListToMap ¶

func TagListToMap(tags []string) map[string]string

func UpdateUnavailableOfferingsCache ¶

func UpdateUnavailableOfferingsCache(
	ctx context.Context,
	err error,
	region string,
	instanceType *cloudprovider.InstanceType,
	unavailableOfferings *linodecache.UnavailableOfferings,

)

func WithDefaultFloat64 ¶

func WithDefaultFloat64(key string, def float64) float64

WithDefaultFloat64 returns the float64 value of the supplied environment variable or, if not present, the supplied default value. If the float64 conversion fails, returns the default