Version: v0.0.0-...-26f96f3 Latest Latest

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Published: Oct 24, 2019 License: GPL-3.0 Imports: 5 Imported by: 0




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func GetPerHostResourceAvailability

func GetPerHostResourceAvailability() map[string]*ResourceCount

Retrieve resource availability for each host in the cluster.

func RecordTotalResourceAvailability

func RecordTotalResourceAvailability(offers []*mesos.Offer)

Determine the total available resources from the first round of mesos resource offers.

func ResourceAvailabilityUpdate

func ResourceAvailabilityUpdate(scenario string, taskID mesos.TaskID, slaveID mesos.SlaveID) error

Updating cluster resource availability based on the given scenario.


type Pair

type Pair struct {
	Key   string
	Value float64

Utility struct that helps in sorting map[string]float64 by value.

type PairList

type PairList []Pair

A slice of pairs that implements the sort.Interface to sort by value.

func GetPairList

func GetPairList(m map[string]float64) PairList

Convert map[string]float64 to PairList.

func (PairList) Len

func (plist PairList) Len() int

Get the length of the pairlist.

func (PairList) Less

func (plist PairList) Less(i, j int) bool

Compare two elements in pairlist.

func (PairList) Swap

func (plist PairList) Swap(i, j int)

Swap pairs in the PairList.

type ResourceCount

type ResourceCount struct {
	// Total resources available.
	TotalCPU   float64
	TotalRAM   float64
	TotalWatts float64

	// Resources currently unused.
	UnusedCPU   float64
	UnusedRAM   float64
	UnusedWatts float64

Maintain information regarding the usage of the cluster resources. This information is maintained for each node in the cluster.

func GetClusterwideResourceAvailability

func GetClusterwideResourceAvailability() ResourceCount

Retrieve clusterwide resource availability.

func (*ResourceCount) DecrUnusedResources

func (rc *ResourceCount) DecrUnusedResources(tr def.TaskResources)

Decrement unused resources.

func (*ResourceCount) IncrUnusedResources

func (rc *ResourceCount) IncrUnusedResources(tr def.TaskResources)

Increment unused resources.

type TrackResourceUsage

type TrackResourceUsage struct {
	// contains filtered or unexported fields


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