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101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
package priorities
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import (
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"yunion.io/x/onecloud/pkg/scheduler/algorithm"
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"yunion.io/x/onecloud/pkg/scheduler/cache/candidate"
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"yunion.io/x/onecloud/pkg/scheduler/core"
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"yunion.io/x/onecloud/pkg/scheduler/core/score"
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)
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// PriorityHelper is a struct that as a base interface for all priorities.
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type PriorityHelper struct {
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priority core.Priority
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unit *core.Unit
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Candidate core.Candidater
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score score.SScore
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err error
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}
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func NewPriorityHelper(p core.Priority, u *core.Unit, c core.Candidater) *PriorityHelper {
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return &PriorityHelper{
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priority: p,
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unit: u,
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Candidate: c,
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}
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}
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func (h *PriorityHelper) setIntervalScore(val int) score.SScore {
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h.score = score.NewScore(
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h.priority.ScoreIntervals().ToScore(int64(val)),
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h.priority.Name())
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return h.score
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}
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func (h *PriorityHelper) setRawScore(val int) score.SScore {
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h.score = score.NewScore(
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score.TScore(val),
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h.priority.Name())
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return h.score
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}
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func (h *PriorityHelper) SetScore(val int) {
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h.setIntervalScore(val)
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h.unit.SetScore(h.Candidate.IndexKey(), h.score)
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}
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func (h *PriorityHelper) SetFrontScore(val int) {
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h.setIntervalScore(val)
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h.unit.SetFrontScore(h.Candidate.IndexKey(), h.score)
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}
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func (h *PriorityHelper) SetRawScore(val int) {
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h.setRawScore(val)
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h.unit.SetScore(h.Candidate.IndexKey(), h.score)
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}
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func (h *PriorityHelper) SetFrontRawScore(val int) {
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h.setRawScore(val)
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h.unit.SetFrontScore(h.Candidate.IndexKey(), h.score)
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}
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func (h *PriorityHelper) SetError(err error) {
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h.err = err
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}
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func (h *PriorityHelper) GetResult() (core.HostPriority, error) {
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return core.HostPriority{
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Host: h.Candidate.IndexKey(),
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Candidate: h.Candidate,
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}, h.err
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}
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// BasePriority is a default struct for priority that all the priorities
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// will contain it and implement its PreExecute(),Map(),Reduce() and
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// Name() methods.
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type BasePriority struct {
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}
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func (b *BasePriority) PreExecute(u *core.Unit, cs []core.Candidater) (bool, []core.PredicateFailureReason, error) {
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return true, nil, nil
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}
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func (b *BasePriority) Map(u *core.Unit, c core.Candidater) (core.HostPriority, error) {
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return core.HostPriority{}, nil
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}
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func (b *BasePriority) Reduce(u *core.Unit, cs []core.Candidater, result core.HostPriorityList) error {
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return nil
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}
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func (b *BasePriority) Name() string {
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return "base_priorites_should_not_be_called"
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}
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func (b *BasePriority) HostCandidate(c core.Candidater) (*candidate.HostDesc, error) {
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return algorithm.ToHostCandidate(c)
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}
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func (b *BasePriority) ScoreIntervals() score.Intervals {
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return score.NewIntervals(0, 1, 2)
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}
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