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Clarify comment about infinite revert cycles

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This commit is contained in:
Preetha Appan
2017-11-03 14:25:14 -05:00
parent 48844e0b3c
commit ba6c808f59
1 changed files with 3 additions and 1 deletions
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4
nomad/deploymentwatcher/deployment_watcher.go
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@@ -371,7 +371,9 @@ func (w *deploymentWatcher) watch() {
// Description should include that the job is being rolled back to
// version N
if j != nil {
// only revert if job being changed has a different spec
// Only revert if job being changed has a different spec.
// This prevents an infinite revert cycle when a previously stable version of the job fails to start up during a revert.
// If the job we are trying to revert to is identical to the one are reverting, we stop because the revert will not succeed.
if w.j.SpecChanged(j) {
desc = structs.DeploymentStatusDescriptionRollback(desc, j.Version)
} else {