public async Task<IHttpActionResult> Update(UpdateVersion version)
{
return await DoActionAsync("UpdateController.Update", async (serviceClient) =>
{
var updateClient = new UpdateClient(null, DashConfiguration.PackageUpdateServiceLocation);
var updateManifest = await updateClient.GetUpdateVersionAsync(UpdateClient.Components.DashServer, version.Version);
if (updateManifest == null)
{
return NotFound();
}
var package = updateManifest.GetPackage(UpdateClient.GetPackageFlavorLabel(AzureService.GetServiceFlavor()));
if (package == null)
{
return NotFound();
}
var servicePackage = package.FindFileByExtension(".cspkg");
var serviceConfig = package.FindFileByExtension(".cscfg");
if (servicePackage == null || serviceConfig == null)
{
return NotFound();
}
var operationId = DashTrace.CorrelationId.ToString();
try
{
var operationStatus = await UpdateConfigStatus.GetConfigUpdateStatus(operationId);
await operationStatus.UpdateStatus(UpdateConfigStatus.States.PreServiceUpdate, "Begin software upgrade to version [{0}]. Operation Id: [{1}]", version.Version, operationId);
// Do a couple of things up-front to ensure that we can upgrade & then kick the upgrade off & don't wait for it to complete.
// Make sure reverse-DNS is configured
var updateResponse = await serviceClient.UpdateService(new HostedServiceUpdateParameters
{
ReverseDnsFqdn = String.Format("{0}.cloudapp.net.", serviceClient.ServiceName),
});
// Copy current config to config for new version
var currentConfig = await serviceClient.GetDeploymentConfiguration();
var currentSettings = AzureServiceConfiguration.GetSettingsProjected(currentConfig);
var newConfigDoc = XDocument.Load(
await updateClient.DownloadPackageFileAsync(UpdateClient.Components.DashServer, updateManifest, package, serviceConfig.Name));
var newSettings = AzureServiceConfiguration.GetSettings(newConfigDoc);
// Keep the same number of instances
var ns = AzureServiceConfiguration.Namespace;
AzureServiceConfiguration.GetInstances(newConfigDoc).Value = AzureServiceConfiguration.GetInstances(currentConfig).Value;
foreach (var currentSetting in currentSettings)
{
var newSetting = AzureServiceConfiguration.GetSetting(newSettings, currentSetting.Item1);
if (newSetting != null)
{
newSetting.SetAttributeValue("value", currentSetting.Item2);
}
}
// Certificates (if there are any)
var currentCerts = AzureServiceConfiguration.GetCertificates(currentConfig);
if (currentCerts != null)
{
var newCerts = AzureServiceConfiguration.GetCertificates(newConfigDoc);
newCerts.RemoveNodes();
foreach (var currentCert in currentCerts.Elements())
{
var newCert = new XElement(ns + "Certificate");
foreach (var currentAttrib in currentCert.Attributes())
{
newCert.SetAttributeValue(currentAttrib.Name, currentAttrib.Value);
}
newCerts.Add(newCert);
}
}
// Send the update to the service
Uri packageUri;
if (!String.IsNullOrWhiteSpace(servicePackage.SasUri))
{
packageUri = new Uri(servicePackage.SasUri);
}
else
{
packageUri = await updateClient.GetPackageFileSasUriAsync(UpdateClient.Components.DashServer, updateManifest, package, servicePackage.Name);
}
await operationStatus.UpdateStatus(UpdateConfigStatus.States.PreServiceUpdate, "Service upgrade using package [{0}].", packageUri.ToString());
var upgradeResponse = await serviceClient.UpgradeDeployment(new DeploymentUpgradeParameters
{
Label = String.Format("Dash.ManagementAPI-{0:o}", DateTime.UtcNow),
PackageUri = packageUri,
Configuration = newConfigDoc.ToString(),
Mode = DeploymentUpgradeMode.Auto,
});
operationStatus.CloudServiceUpdateOperationId = upgradeResponse.RequestId;
await operationStatus.UpdateStatus(UpdateConfigStatus.States.UpdatingService, "Service upgrade in progress.");
await EnqueueServiceOperationUpdate(serviceClient, operationId);
// Manually fire up the async worker
var queueTask = ProcessOperationMessageLoop(operationId, null, null, GetMessageDelay(), null);
return Content(upgradeResponse.StatusCode, new OperationResult
{
OperationId = operationId,
});
}
catch (CloudException ex)
{
return Content(ex.Response.StatusCode, new OperationResult
{
OperationId = operationId,
ErrorCode = ex.ErrorCode,
ErrorMessage = ex.ErrorMessage,
});
}
catch (Exception ex)
{
return InternalServerError(ex);
}
});
}
