util

package
v1.10.13 Latest Latest
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Published: Jan 16, 2019 License: Apache-2.0 Imports: 4 Imported by: 0

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Constants

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const DefaultMemoryRequest int64 = 200 * 1024 * 1024 // 200 MB

DefaultMemoryRequest defines default memory request size.

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const DefaultMilliCPURequest int64 = 100 // 0.1 core

DefaultMilliCPURequest defines default milli cpu request number.

Variables

This section is empty.

Functions

func GetControllerRef

func GetControllerRef(pod *v1.Pod) *metav1.OwnerReference

GetControllerRef gets pod's owner controller reference from a pod object.

func GetNamespacesFromPodAffinityTerm

func GetNamespacesFromPodAffinityTerm(pod *v1.Pod, podAffinityTerm *v1.PodAffinityTerm) sets.String

GetNamespacesFromPodAffinityTerm returns a set of names according to the namespaces indicated in podAffinityTerm. If namespaces is empty it considers the given pod's namespace.

func GetNonzeroRequests

func GetNonzeroRequests(requests *v1.ResourceList) (int64, int64)

GetNonzeroRequests returns the default resource request if none is found or what is provided on the request TODO: Consider setting default as a fixed fraction of machine capacity (take "capacity v1.ResourceList" as an additional argument here) rather than using constants

func NodesHaveSameTopologyKey

func NodesHaveSameTopologyKey(nodeA, nodeB *v1.Node, topologyKey string) bool

NodesHaveSameTopologyKey checks if nodeA and nodeB have same label value with given topologyKey as label key. Returns false if topologyKey is empty.

func PodMatchesTermsNamespaceAndSelector

func PodMatchesTermsNamespaceAndSelector(pod *v1.Pod, namespaces sets.String, selector labels.Selector) bool

PodMatchesTermsNamespaceAndSelector returns true if the given <pod> matches the namespace and selector defined by <affinityPod>`s <term>.

Types

type Topologies

type Topologies struct {
	DefaultKeys []string
}

Topologies contains topologies information of nodes.

func (*Topologies) NodesHaveSameTopologyKey

func (tps *Topologies) NodesHaveSameTopologyKey(nodeA, nodeB *v1.Node, topologyKey string) bool

NodesHaveSameTopologyKey checks if nodeA and nodeB have same label value with given topologyKey as label key.

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