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Merge pull request #29 from gianarb/hotfix/avoid-scaling-down

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avoiding scale under 1, scale up services at 0
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Gianluca Arbezzano 2017-08-08 21:05:05 +02:00 committed by GitHub
commit 80acddce1d
1 changed files with 1 additions and 1 deletions
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2
provider/swarm.go
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@ -96,7 +96,7 @@ func (p SwarmProvider) Scale(serviceId string, target int, direction bool) error
// This function validate if a request is acceptable or not.
func (p *SwarmProvider) isAcceptable(tasks []swarm.Task, target int, direction bool) error {
if p.calculateActiveTasks(tasks) < target && direction == false {
if p.calculateActiveTasks(tasks) < target || p.calculateActiveTasks(tasks) < 2 && direction == false {
return errors.New(fmt.Sprintf("I can not scale down because it has only %d running.", target))
}
return nil