util

Documentation

Index

• func BuildNode(name string, alloc v1.ResourceList, labels map[string]string) *v1.Node
• func BuildPod(namespace, name, nodename string, p v1.PodPhase, req v1.ResourceList, ...) *v1.Pod
• func BuildResourceList(cpu string, memory string) v1.ResourceList
• func BuildResourceListWithGPU(cpu string, memory string, GPU string) v1.ResourceList
• func GetNodeList(nodes map[string]*api.NodeInfo) []*api.NodeInfo
• func PredicateNodes(task *api.TaskInfo, nodes []*api.NodeInfo, fn api.PredicateFn) []*api.NodeInfo
• func SelectBestNode(priorityList HostPriorityList) string
• func SortNodes(priorityList HostPriorityList, nodesInfo map[string]*api.NodeInfo) []*api.NodeInfo
• type FakeBinder
  • func (fb *FakeBinder) Bind(p *v1.Pod, hostname string) error
• type FakeEvictor
  • func (fe *FakeEvictor) Evict(p *v1.Pod) error
• type FakeStatusUpdater
  • func (ftsu *FakeStatusUpdater) UpdatePodCondition(pod *v1.Pod, podCondition *v1.PodCondition) (*v1.Pod, error)
  • func (ftsu *FakeStatusUpdater) UpdatePodGroup(pg *api.PodGroup) (*api.PodGroup, error)
• type FakeVolumeBinder
  • func (fvb *FakeVolumeBinder) AllocateVolumes(task *api.TaskInfo, hostname string) error
  • func (fvb *FakeVolumeBinder) BindVolumes(task *api.TaskInfo) error
• type HostPriority
• type HostPriorityList
  • func PrioritizeNodes(task *api.TaskInfo, filterNodes []*api.NodeInfo, ...) (HostPriorityList, error)
  • func (h HostPriorityList) Len() int
  • func (h HostPriorityList) Less(i, j int) bool
  • func (h HostPriorityList) Swap(i, j int)
• type PriorityQueue
  • func NewPriorityQueue(lessFn api.LessFn) *PriorityQueue
  • func (q *PriorityQueue) Empty() bool
  • func (q *PriorityQueue) Len() int
  • func (q *PriorityQueue) Pop() interface{}
  • func (q *PriorityQueue) Push(it interface{})

Functions

func BuildNode

func BuildNode(name string, alloc v1.ResourceList, labels map[string]string) *v1.Node

BuildNode builts node object

func BuildPod

func BuildPod(namespace, name, nodename string, p v1.PodPhase, req v1.ResourceList, groupName string, labels map[string]string, selector map[string]string) *v1.Pod

BuildPod builts Pod object

func BuildResourceList

func BuildResourceList(cpu string, memory string) v1.ResourceList

BuildResourceList builts resource list object

func BuildResourceListWithGPU

func BuildResourceListWithGPU(cpu string, memory string, GPU string) v1.ResourceList

BuildResourceListWithGPU builts resource list with GPU

func GetNodeList

func GetNodeList(nodes map[string]*api.NodeInfo) []*api.NodeInfo

GetNodeList returns values of the map 'nodes'

func PredicateNodes

func PredicateNodes(task *api.TaskInfo, nodes []*api.NodeInfo, fn api.PredicateFn) []*api.NodeInfo

PredicateNodes returns nodes that fit task

func SelectBestNode

func SelectBestNode(priorityList HostPriorityList) string

SelectBestNode returns best node whose score is highest, pick one randomly if there are many nodes with same score.

func SortNodes

func SortNodes(priorityList HostPriorityList, nodesInfo map[string]*api.NodeInfo) []*api.NodeInfo

SortNodes returns nodes by order of score

Types

type FakeBinder

type FakeBinder struct {
	sync.Mutex
	Binds   map[string]string
	Channel chan string
}

FakeBinder is used as fake binder

func (*FakeBinder) Bind

func (fb *FakeBinder) Bind(p *v1.Pod, hostname string) error

Bind used by fake binder struct to bind pods

type FakeEvictor

type FakeEvictor struct {
	sync.Mutex
	Evicts  []string
	Channel chan string
}

FakeEvictor is used as fake evictor

func (*FakeEvictor) Evict

func (fe *FakeEvictor) Evict(p *v1.Pod) error

Evict is used by fake evictor to evict pods

type FakeStatusUpdater

type FakeStatusUpdater struct {
}

FakeStatusUpdater is used for fake status update

func (*FakeStatusUpdater) UpdatePodCondition

func (ftsu *FakeStatusUpdater) UpdatePodCondition(pod *v1.Pod, podCondition *v1.PodCondition) (*v1.Pod, error)

UpdatePodCondition is a empty function

func (*FakeStatusUpdater) UpdatePodGroup

func (ftsu *FakeStatusUpdater) UpdatePodGroup(pg *api.PodGroup) (*api.PodGroup, error)

UpdatePodGroup is a empty function

type FakeVolumeBinder

type FakeVolumeBinder struct {
}

FakeVolumeBinder is used as fake volume binder

func (*FakeVolumeBinder) AllocateVolumes

func (fvb *FakeVolumeBinder) AllocateVolumes(task *api.TaskInfo, hostname string) error

AllocateVolumes is a empty function

func (*FakeVolumeBinder) BindVolumes

func (fvb *FakeVolumeBinder) BindVolumes(task *api.TaskInfo) error

BindVolumes is a empty function

type HostPriority

type HostPriority struct {
	// Name of the host
	Host string
	// Score associated with the host
	Score float64
}

HostPriority represents the priority of scheduling to a particular host, higher priority is better.

type HostPriorityList

type HostPriorityList []HostPriority

HostPriorityList declares a []HostPriority type.

func PrioritizeNodes

func PrioritizeNodes(
	task *api.TaskInfo,
	filterNodes []*api.NodeInfo,
	priorityConfigs []algorithm.PriorityConfig,
) (HostPriorityList, error)

PrioritizeNodes returns a map whose key is node's score and value are corresponding nodes

func (HostPriorityList) Len

func (h HostPriorityList) Len() int

func (HostPriorityList) Less

func (h HostPriorityList) Less(i, j int) bool

func (HostPriorityList) Swap

func (h HostPriorityList) Swap(i, j int)

type PriorityQueue

type PriorityQueue struct {
	// contains filtered or unexported fields
}

PriorityQueue implements a scheduling queue.

func NewPriorityQueue

func NewPriorityQueue(lessFn api.LessFn) *PriorityQueue

NewPriorityQueue returns a PriorityQueue

func (*PriorityQueue) Empty

func (q *PriorityQueue) Empty() bool

Empty check if queue is empty

func (*PriorityQueue) Len

func (q *PriorityQueue) Len() int

Len returns Len of the priority queue

func (*PriorityQueue) Pop

func (q *PriorityQueue) Pop() interface{}

Pop pops element in the priority Queue

func (*PriorityQueue) Push

func (q *PriorityQueue) Push(it interface{})

Push pushes element in the priority Queue