/// <summary>
/// Gets a list of VMs in the target subscription.
/// </summary>
/// <param name="client">The <see cref="ComputeManagementClient"/> that is performing the operation.</param>
/// <returns>The full list of VMs in the subscription.</returns>
/// <remarks>
/// While debugging the enumeration might not be visible if tasks haven't all completed.
/// To change this behaviour just force the enumeration after calling this by using the <see cref="Enumerable.ToList{T}(IEnumerable{T})"/>.
/// </remarks>
public static async Task <IEnumerable <string> > ListVmsAsync(this ComputeManagementClient client)
{
Contract.Requires(client != null);
return((await client.HostedServices.ListAsync())
.Select(async s => await client.GetAzureDeyploymentAsync(s.ServiceName, DeploymentSlot.Production))
.Select(t => t.Result)
.Where(d => d != null && d.Roles.Count > 0)
.SelectMany(d => d.Roles.Where(r => r.RoleType == VirtualMachineRoleType.PersistentVMRole.ToString()))
.Select(r => r.RoleName));
}
private async Task DeployCloudServiceAsync(
ComputeManagementClient computeClient,
CloudBlobContainer container,
string serviceName,
string packagePath,
string configurationPath,
string diagnosticsConfigurationPath,
DeploymentSlot targetSlot)
{
ThreadAdapter.QueueObject(new BuildEvent(BuildEventType.Information, BuildEventImportance.Medium,
$"[{serviceName}] Checking the existence of an existing deployment"));
var deployment = await computeClient.GetAzureDeyploymentAsync(serviceName, targetSlot);
if (ForceDelete && deployment != null)
{
ThreadAdapter.QueueObject(new BuildEvent(BuildEventType.Information, BuildEventImportance.Medium,
$"[{serviceName}] ForceDelete is true and found an existing deployment: Deleting it."));
await computeClient.Deployments.DeleteBySlotAsync(serviceName, targetSlot);
deployment = null;
}
var blob = container.GetBlockBlobReference(DateTime.Now.ToString("yyyyMMdd_HHmmss_") + Path.GetFileName(packagePath));
ThreadAdapter.QueueObject(new BuildEvent(BuildEventType.Information, BuildEventImportance.Medium,
$"[{serviceName}] Uploading the cloud service package to storage account {StorageAccountName} in the {StorageContainer} container."));
await blob.UploadFromFileAsync(packagePath, FileMode.Open);
if (diagnosticsConfigurationPath != null)
{
ThreadAdapter.QueueObject(new BuildEvent(BuildEventType.Information, BuildEventImportance.Medium,
$"[{serviceName}] Checking the Cloud Service for the PaaS Diagnostics extension -> Creating it if it doesn't exist."));
var diagnosticsConfiguration = File.ReadAllText(diagnosticsConfigurationPath);
var diagnosticsCreated = await computeClient.AddDiagnosticsExtensionIfNotExistsAsync(serviceName, diagnosticsConfiguration);
if (!diagnosticsCreated)
{
diagnosticsConfigurationPath = null;
}
}
if (deployment == null)
{
ThreadAdapter.QueueObject(new BuildEvent(BuildEventType.Information, BuildEventImportance.Medium,
$"[{serviceName}] Found no previous deployments -> Creating a new deployment into {targetSlot.GetEnumDescription()}."));
var createParams = new DeploymentCreateParameters
{
Label = serviceName,
Name = $"{serviceName}{targetSlot.GetEnumDescription()}",
PackageUri = blob.Uri,
Configuration = File.ReadAllText(configurationPath),
StartDeployment = true
};
if (diagnosticsConfigurationPath != null)
{
createParams.ExtensionConfiguration = new ExtensionConfiguration {
AllRoles = new[] { new ExtensionConfiguration.Extension {
Id = FlexConfiguration.FlexDiagnosticsExtensionId
} }
};
}
await computeClient.Deployments.CreateAsync(serviceName, targetSlot, createParams);
}
else
{
ThreadAdapter.QueueObject(new BuildEvent(BuildEventType.Information, BuildEventImportance.Medium,
$"[{serviceName}] Found a previous deployment -> Updating the current deployment in {targetSlot.GetEnumDescription()}."));
await computeClient.Deployments.UpgradeBySlotAsync(
serviceName,
targetSlot,
new DeploymentUpgradeParameters
{
Label = serviceName,
PackageUri = blob.Uri,
Configuration = File.ReadAllText(configurationPath)
});
}
if (VipSwap)
{
ThreadAdapter.QueueObject(new BuildEvent(BuildEventType.Information, BuildEventImportance.Medium,
$"[{serviceName}] Swapping the deployments."));
await computeClient.Deployments.SwapAsync(
serviceName,
new DeploymentSwapParameters
{
SourceDeployment = $"{serviceName}{targetSlot.GetEnumDescription()}"
});
if (DeleteStaging)
{
ThreadAdapter.QueueObject(new BuildEvent(BuildEventType.Information, BuildEventImportance.Medium,
$"[{serviceName}] Deleting the staging deployment after the swap."));
await computeClient.Deployments.DeleteBySlotAsync(serviceName, DeploymentSlot.Staging);
}
}
ThreadAdapter.QueueObject(new BuildEvent(BuildEventType.Information, BuildEventImportance.Medium,
$"[{serviceName}] Deployment complete."));
}