func CheckAndExecuteAutoScalerOnReplicationController(replicationControllerAutoScaler *ReplicationControllerAutoScaler, replicationControllerName string) (bool, int, error) {
replicationControllerMetric, err := monitor.MonitorReplicationController(replicationControllerAutoScaler.KubeApiServerEndPoint, replicationControllerAutoScaler.KubeApiServerToken, replicationControllerAutoScaler.Namespace, replicationControllerName)
if err != nil {
log.Error("Get ReplicationController data failure: %s where replicationControllerAutoScaler %v", err.Error(), replicationControllerAutoScaler)
return false, -1, err
}
toIncrease, toDecrease := false, false
for _, indicator := range replicationControllerAutoScaler.IndicatorSlice {
toIncrease = monitor.CheckThresholdReplicationController(indicator.Type, true, indicator.AboveAllOrOne, replicationControllerMetric, indicator.AbovePercentageOfData, indicator.AboveThreshold)
if toIncrease {
break
}
toDecrease = monitor.CheckThresholdReplicationController(indicator.Type, false, indicator.BelowAllOrOne, replicationControllerMetric, indicator.BelowPercentageOfData, indicator.BelowThreshold)
if toDecrease {
break
}
}
if toIncrease {
resized, size, err := control.ResizeReplicationController(replicationControllerAutoScaler.KubeApiServerEndPoint, replicationControllerAutoScaler.KubeApiServerToken, replicationControllerAutoScaler.Namespace, replicationControllerName, 1, replicationControllerAutoScaler.MaximumReplica, replicationControllerAutoScaler.MinimumReplica)
if err != nil {
log.Error("ResizeReplicationController failure: %s where ReplicationControllerAutoScaler %v", err.Error(), replicationControllerAutoScaler)
}
// Change deployment data
if resized {
if err := deploy.ChangeDeployInformationReplicaAmount(replicationControllerAutoScaler.Namespace, replicationControllerName, size); err != nil {
log.Error(err)
}
}
return resized, size, err
} else if toDecrease {
resized, size, err := control.ResizeReplicationController(replicationControllerAutoScaler.KubeApiServerEndPoint, replicationControllerAutoScaler.KubeApiServerToken, replicationControllerAutoScaler.Namespace, replicationControllerName, -1, replicationControllerAutoScaler.MaximumReplica, replicationControllerAutoScaler.MinimumReplica)
if err != nil {
log.Error("ResizeReplicationController failure: %s where ReplicationControllerAutoScaler %v", err.Error(), replicationControllerAutoScaler)
}
// Change deployment data
if resized {
if err := deploy.ChangeDeployInformationReplicaAmount(replicationControllerAutoScaler.Namespace, replicationControllerName, size); err != nil {
log.Error(err)
}
}
return resized, size, err
} else {
return false, replicationControllerMetric.Size, nil
}
}
func DeployResize(kubeApiServerEndPoint string, kubeApiServerToken string, namespace string, imageInformation string, size int) error {
if lock.AcquireLock(LockKind, getLockName(namespace, imageInformation), 0) == false {
return errors.New("Deployment is controlled by the other command")
}
defer lock.ReleaseLock(LockKind, getLockName(namespace, imageInformation))
deployInformation, err := GetStorage().LoadDeployInformation(namespace, imageInformation)
if err != nil {
log.Error(err)
return err
}
replicationControllerName := deployInformation.ImageInformationName + deployInformation.CurrentVersion
delta := size - deployInformation.ReplicaAmount
_, _, err = control.ResizeReplicationController(kubeApiServerEndPoint, kubeApiServerToken, namespace, replicationControllerName, delta, deployInformation.ReplicaAmount+delta, 1)
if err != nil {
log.Error(err)
return err
}
deployInformation.ReplicaAmount = size
err = GetStorage().saveDeployInformation(deployInformation)
if err != nil {
log.Error(err)
return err
}
return nil
}