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34 lines
842 B
Go
34 lines
842 B
Go
package guest
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import (
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"yunion.io/x/onecloud/pkg/scheduler/algorithm/predicates"
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"yunion.io/x/onecloud/pkg/scheduler/core"
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)
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// MigratePredicate filters whether the current candidate can be migrated.
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type MigratePredicate struct {
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predicates.BasePredicate
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}
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func (p *MigratePredicate) Name() string {
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return "host_migrate"
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}
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func (p *MigratePredicate) Clone() core.FitPredicate {
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return &MigratePredicate{}
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}
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func (p *MigratePredicate) PreExecute(u *core.Unit, cs []core.Candidater) (bool, error) {
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return len(u.SchedData().HostID) > 0, nil
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}
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func (p *MigratePredicate) Execute(u *core.Unit, c core.Candidater) (bool, []core.PredicateFailureReason, error) {
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h := predicates.NewPredicateHelper(p, u, c)
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if u.SchedData().HostID == c.IndexKey() {
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h.Exclude(predicates.ErrHostIsSpecifiedForMigration)
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}
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return h.GetResult()
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}
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