public static RequiredUpgradeAction GetRequiredUpgradeAction(this ServiceControlInstance instance, Version target)
{
var upgradeInfo = UpgradeControl.GetUpgradeInfoForTargetVersion(target, instance.Version);
if (instance.Version < upgradeInfo.CurrentMinimumVersion)
{
// This is an older version
return(RequiredUpgradeAction.Upgrade);
}
if (instance.Version < VersionWhereAuditInstanceWasIntroduced && target >= VersionWhereAuditInstanceWasIntroduced)
{
// Introducing an Audit Instance
if (instance.IsAuditQueueDisabled())
{
// This may be a master instance or just a standalone with Audit disabled
return(RequiredUpgradeAction.Upgrade);
}
if (instance.IsErrorQueueDisabled())
{
// This is an audit ingestor
return(RequiredUpgradeAction.ConvertToAudit);
}
// This is a normal instance with both ingestors running
return(RequiredUpgradeAction.SplitOutAudit);
}
// This is presumed to be a normal instance that has audits split out already
return(RequiredUpgradeAction.Upgrade);
}