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Improve reporting about rolling updates (#391)

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This commit is contained in:
zerg-junior
2018-09-24 11:57:43 +02:00
committed by GitHub
parent 688d252752
commit 7907f95d2f
5 changed files with 26 additions and 18 deletions
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pkg/cluster/resources.go
+6 -5
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@@ -132,16 +132,17 @@ func (c *Cluster) preScaleDown(newStatefulSet *v1beta1.StatefulSet) error {
return nil
}
// setRollingUpdateFlagForStatefulSet sets the indicator or the rolling upgrade requirement
// setRollingUpdateFlagForStatefulSet sets the indicator or the rolling update requirement
// in the StatefulSet annotation.
func (c *Cluster) setRollingUpdateFlagForStatefulSet(sset *v1beta1.StatefulSet, val bool) {
anno := sset.GetAnnotations()
c.logger.Debugf("rolling upgrade flag has been set to %t", val)
if anno == nil {
anno = make(map[string]string)
}
anno[rollingUpdateStatefulsetAnnotationKey] = strconv.FormatBool(val)
sset.SetAnnotations(anno)
c.logger.Debugf("statefulset's rolling update annotation has been set to %t", val)
}
// applyRollingUpdateFlagforStatefulSet sets the rolling update flag for the cluster's StatefulSet
@@ -176,9 +177,9 @@ func (c *Cluster) getRollingUpdateFlagFromStatefulSet(sset *v1beta1.StatefulSet,
return flag
}
// mergeRollingUpdateFlagUsingCache return the value of the rollingUpdate flag from the passed
// mergeRollingUpdateFlagUsingCache returns the value of the rollingUpdate flag from the passed
// statefulset, however, the value can be cleared if there is a cached flag in the cluster that
// is set to false (the disrepancy could be a result of a failed StatefulSet update).s
// is set to false (the discrepancy could be a result of a failed StatefulSet update)
func (c *Cluster) mergeRollingUpdateFlagUsingCache(runningStatefulSet *v1beta1.StatefulSet) bool {
var (
cachedStatefulsetExists, clearRollingUpdateFromCache, podsRollingUpdateRequired bool
@@ -198,7 +199,7 @@ func (c *Cluster) mergeRollingUpdateFlagUsingCache(runningStatefulSet *v1beta1.S
c.logger.Infof("clearing the rolling update flag based on the cached information")
podsRollingUpdateRequired = false
} else {
c.logger.Infof("found a statefulset with an unfinished pods rolling update")
c.logger.Infof("found a statefulset with an unfinished rolling update of the pods")
}
}