public bool Upgrade(ServiceControlInstance instance, ServiceControlUpgradeOptions options)
{
if (instance.Version < options.UpgradeInfo.CurrentMinimumVersion)
{
logger.Error($"Upgrade aborted. An interim upgrade to version {options.UpgradeInfo.RecommendedUpgradeVersion} is required before upgrading to version {ZipInfo.Version}. Download available at https://github.com/Particular/ServiceControl/releases/tag/{options.UpgradeInfo.RecommendedUpgradeVersion}");
return(false);
}
ZipInfo.ValidateZip();
var checkLicenseResult = CheckLicenseIsValid();
if (!checkLicenseResult.Valid)
{
logger.Error($"Upgrade aborted - {checkLicenseResult.Message}");
return(false);
}
instance.ReportCard = new ReportCard();
var restartService = instance.Service.Status == ServiceControllerStatus.Running;
if (!instance.TryStopService())
{
logger.Error("Service failed to stop or service stop timed out");
return(false);
}
try
{
instance.UpgradeTransportSeam();
var backupFile = instance.BackupAppConfig();
try
{
instance.UpgradeFiles(ZipInfo.FilePath);
}
finally
{
instance.RestoreAppConfig(backupFile);
}
options.ApplyChangesToInstance(instance);
instance.SetupInstance();
if (instance.ReportCard.HasErrors)
{
foreach (var error in instance.ReportCard.Errors)
{
logger.Error(error);
}
return(false);
}
if (restartService && !instance.TryStartService())
{
logger.Error("Service failed to start after update - please check configuration for {0}", instance.Name);
return(false);
}
}
catch (Exception ex)
{
logger.Error("Upgrade Failed: {0}", ex.Message);
return(false);
}
return(true);
}
