/// <summary>
/// Internal constructor which accept broker as connection
/// </summary>
internal AsyncAzureOperation(AzureManagementBroker broker, string operationId, bool completed)
{
this.completed = completed;
// We really only need the client from broker
this.client = new AzureManagementClient(broker.certificate, broker.subscriptionId);
this.status = AzureOperationStatus.InProgress;
this.errorCode = null;
this.errorMessage = null;
this.operationId = operationId;
}
/// <summary>
/// Get all the azure accepted locations
/// </summary>
/// <param name="subscriptionId"></param>
/// <param name="thumbprint"></param>
/// <returns></returns>
public static List<string> GetAzureLocations(Guid subscriptionId, string thumbprint)
{
// Query Azure for locations
AzureManagementClient client = new AzureManagementClient(thumbprint, subscriptionId);
AzureManagementResponse response = client.SubmitRequest(
RequestType.GET,
"2010-04-01",
"locations");
// Create collection to return
List<string> locations = new List<string>();
XmlNodeList nodes = response.GetXmlNodes("Location");
//locations like "Anywhere US", "Anywhere Europe" and "Anywhere Asia" are filtered out
foreach (XmlNode node in nodes)
{
string location = response.GetXmlValue(node, "Name");
if (!location.StartsWith("Anywhere"))
{
locations.Add(response.GetXmlValue(node, "Name"));
}
}
return locations;
}
/// <summary>
/// Get the list of affinity groups for specified subscription id
/// </summary>
/// <param name="subscriptionId"></param>
/// <param name="thumbprint"></param>
/// <returns></returns>
public static List<AzureAffinityGroup> GetAffinityGroups(Guid subscriptionId, string thumbprint)
{
// Query Azure for affinity group list
AzureManagementClient client = new AzureManagementClient(thumbprint, subscriptionId);
AzureManagementResponse response = client.SubmitRequest(
RequestType.GET,
"2009-10-01",
"affinitygroups");
// Create collection to return
List<AzureAffinityGroup> groups = new List<AzureAffinityGroup>();
XmlNodeList nodes = response.GetXmlNodes("AffinityGroup");
// If there is no group in the result, return an empty collection
if (nodes != null)
{
foreach (XmlNode node in nodes)
{
AzureAffinityGroup group = new AzureAffinityGroup();
// Right now, we only care about name and location
group.Name = response.GetXmlValue(node, "Name");
group.Location = response.GetXmlValue(node, "Location");
groups.Add(group);
}
}
return groups;
}
/// <summary>
/// Creates a hosted service for the given subscription
/// </summary>
/// <param name="name"></param>
/// <param name="description"></param>
/// <param name="label"></param>
/// <param name="location"></param>
/// <returns></returns>
private IAsyncAzureOperation CreateHostedService(string name, string description, string label, string location)
{
string request =
"<?xml version=\"1.0\" encoding=\"utf-8\"?>" +
"<CreateHostedService xmlns=\"http://schemas.microsoft.com/windowsazure\">" +
"<ServiceName>{0}</ServiceName>" +
"<Label>{1}</Label>" +
"<Description>{2}</Description>" +
"<Location>{3}</Location>" +
//"<AffinityGroup></AffinityGroup>" +
"</CreateHostedService>";
request = string.Format(
request,
name,
Utility.Base64EncodeString(label),
description,
location
);
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
AzureManagementResponse response = client.SubmitRequestWithBody(
RequestType.POST,
request,
"2010-10-28",
"services/hostedservices"
);
string operationId = response.OperationId;
AsyncAzureOperation op = new AsyncAzureOperation(this, operationId, false);
return op;
}
/// <summary>
/// Adds a certificate to the Azure certificate store
/// </summary>
private IAsyncAzureOperation AddCertificateToAzureStore(X509Certificate2 certificate, string password)
{
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
AzureManagementResponse response;
IEnumerable<X509Certificate2> currentCerts = this.EnumerateServiceCertificates(CertificateLocation.AzureManagement);
foreach (X509Certificate2 existingCert in currentCerts)
{
if (existingCert.Thumbprint == certificate.Thumbprint &&
existingCert.Thumbprint != null &&
existingCert.GetCertHashString() == certificate.GetCertHashString())
{
return new AsyncAzureOperation(this, string.Empty, true);
}
// If the certificate does not match, but has a matching name we should delete it
if (string.Equals(existingCert.SubjectName.Name, certificate.SubjectName.Name))
{
// Delete the certificate using Azure APIs
response = client.SubmitRequest(
RequestType.DELETE,
"2009-10-01",
"services/hostedservices/{0}/certificates/SHA1-{1}",
this.serviceName,
existingCert.Thumbprint
);
IAsyncAzureOperation op = new AsyncAzureOperation(this, response.OperationId, false);
op.WaitForCompletion(TimeSpan.FromSeconds(30));
}
}
string request =
"<?xml version=\"1.0\" encoding=\"utf-8\"?>" +
"<CertificateFile xmlns=\"http://schemas.microsoft.com/windowsazure\">" +
"<Data>{0}</Data>" +
"<CertificateFormat>pfx</CertificateFormat>" +
"<Password>{1}</Password>" +
"</CertificateFile>";
byte[] content = certificate.Export(X509ContentType.Pfx, password);
request = string.Format(request, Convert.ToBase64String(content), System.Security.SecurityElement.Escape(password));
response = client.SubmitRequestWithBody(
RequestType.POST,
request,
"2009-10-01",
"services/hostedservices/{0}/certificates",
this.serviceName
);
return new AsyncAzureOperation(this, response.OperationId, false);
}
/// <summary>
/// check whether a storage account with a different locaiton exists
/// </summary>
/// <param name="location"></param>
/// <returns></returns>
public string GetStorageAccountLocation(string storageAccountName)
{
try
{
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
AzureManagementResponse response = client.SubmitRequestWithBody(
RequestType.GET,
null,
"2009-10-01",
"services/storageservices/{0}",
storageAccountName
);
XmlNode node = response.GetXmlNode("StorageServiceProperties");
return response.GetXmlValue(node, "Location"); ;
}
catch (AzureManagementException)
{
return null; // Storage Account does not exist
}
}
/// <summary>
/// Return the primary access key of a storage account
/// </summary>
/// <returns>the associated primary key of a storage account</returns>
private string GetStorageAccountPrimaryKey(string storageAccount)
{
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
AzureManagementResponse response = client.SubmitRequestWithBody(
RequestType.GET,
null,
"2009-10-01",
"services/storageservices/" + storageAccount + "/keys"
);
XmlNode node = response.GetXmlNode("StorageServiceKeys");
string accountName = String.Empty;
accountName = response.GetXmlValue(node, "Primary");
return accountName;
}
/// <summary>
/// Get Azure VM image name/location list
/// </summary>
/// <param name="subscriptionId"></param>
/// <param name="thumbprint"></param>
/// <returns></returns>
/// <summary>
public static List<AzureImage> GetVMImagesInfo(Guid subscriptionId, string thumbprint)
{
// Query Azure for VM image list
AzureManagementClient client = new AzureManagementClient(thumbprint, subscriptionId);
AzureManagementResponse response = client.SubmitRequest(
RequestType.GET,
"2010-04-01",
"machineimages");
// Create collection to return
List<AzureImage> images = new List<AzureImage>();
// If there is no image in the result, return an empty collection
XmlNodeList nodes = response.GetXmlNodes("MachineImage");
if (nodes != null)
{
foreach (XmlNode node in nodes)
{
AzureImage image = new AzureImage();
image.Name = response.GetXmlValue(node, "Name");
image.Location = response.GetXmlValue(node, "Location");
image.Uuid = new Guid(response.GetXmlValue(node, "Uuid"));
image.LastModified = DateTime.Parse(response.GetXmlValue(node, "Timestamp")).ToUniversalTime();
image.ParentUuid = response.GetXmlValue(node, "ParentUuid");
image.Status = response.GetXmlValue(node, "Status");
images.Add(image);
}
}
return images;
}
/// <summary>
/// Create Firewall Rule on SQL Azure server to allow access from the specified range of addresses
/// </summary>
/// <param name="server"></param>
/// <param name="ruleName"></param>
/// <param name="startAddresss"></param>
/// <param name="endAddress"></param>
public void CreateFirewallRule(string server, string ruleName, String startAddress, String endAddress)
{
// Query SQL Azure for server info
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
string request = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" +
"<FirewallRule " +
"xmlns=\"http://schemas.microsoft.com/sqlazure/2010/12/\" " +
"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" " +
"xsi:schemaLocation=\"http://schemas.microsoft.com/sqlazure/2010/12/ FirewallRule.xsd\">" +
"<StartIpAddress>" + startAddress + "</StartIpAddress>" +
"<EndIpAddress>" + endAddress + "</EndIpAddress>" +
"</FirewallRule>";
AzureManagementResponse response = client.SubmitSQLAzureRequestWithBody(
RequestType.PUT,
request,
"1.0",
"servers/{0}/firewallrules/{1}",
server,
ruleName);
}
/// <summary>
/// Enumerates all Azure Deployments for the subscription/service
/// </summary>
public IEnumerable<AzureDeployment> EnumerateAzureDeployments()
{
// Query Azure for deployments
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
AzureManagementResponse response = client.SubmitRequest(
RequestType.GET,
"2010-04-01",
"services/hostedservices/{0}?embed-detail=true",
this.serviceName);
// Create collection to return
List<AzureDeployment> deployments = new List<AzureDeployment>();
// If there is no deployment node in the result, return an empty collection
XmlNode xmlDeployments = response.GetXmlNode("Deployments");
if (xmlDeployments == null)
{
return deployments;
}
// Populate our collection of deployments
foreach (XmlNode xmlDeployment in xmlDeployments.ChildNodes)
{
AzureDeployment dep = new AzureDeployment();
// Get the deployment ID;
string guidStr = response.GetXmlValue(xmlDeployment, "PrivateID");
dep.Id = new Guid(guidStr);
// Get all the other deployment properties
dep.Name = response.GetXmlValue(xmlDeployment, "Name");
string status = response.GetXmlValue(xmlDeployment, "Status");
dep.Status = AzureDeploymentState.Unknown;
try
{
dep.Status = (AzureDeploymentState)Enum.Parse(typeof(AzureDeploymentState), status, true);
}
catch (Exception)
{ }
dep.Label = response.GetXmlValue(xmlDeployment, "Label");
dep.Url = response.GetXmlValue(xmlDeployment, "Url");
dep.Configuration = response.GetXmlValue(xmlDeployment, "Configuration");
List<string> roles = new List<string>();
XmlNode roleList = response.GetXmlNode(xmlDeployment, "RoleList");
if (roleList != null)
foreach (XmlNode role in roleList.ChildNodes)
{
roles.Add(response.GetXmlValue(role, "RoleName"));
}
dep.roles = roles;
// Add to the collection
deployments.Add(dep);
}
return deployments;
}
/// <summary>
/// Creates a SQL Azure server
/// </summary>
public string CreateAzureSQLServer(AzureSQLServer config)
{
string serverName = null;
// Create a SQL Azure create server request from this template
string azureRequest =
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
"<Server xmlns=\"http://schemas.microsoft.com/sqlazure/2010/12/\">\r\n" +
"<AdministratorLogin>{0}</AdministratorLogin>\r\n" +
"<AdministratorLoginPassword>{1}</AdministratorLoginPassword>\r\n" +
"<Location>{2}</Location>\r\n" +
"</Server>";
// Fill in the request template
azureRequest = string.Format(
azureRequest,
config.AdministratorLogin,
config.AdministratorLoginPassword,
config.Location
);
// Submit the request
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
AzureManagementResponse response = client.SubmitSQLAzureRequestWithBody(
RequestType.POST,
azureRequest,
"1.0",
"servers"
);
XmlNode xml = response.GetSQLXmlNode("ServerName");
serverName = xml.InnerText;
return serverName;
}
/// <summary>
/// Starts an azure deployment immediately after it is created
/// </summary>
public IAsyncAzureOperation CreateAzureDeployment(string configXml, string packageFileName, out AzureDeployment deployment)
{
// Initialize the return deployment struct
deployment = new AzureDeployment();
// Start generating an Azure deployment request from this template
string azureRequest =
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
"<CreateDeployment xmlns=\"http://schemas.microsoft.com/windowsazure\">\r\n" +
"<Name>{0}</Name>\r\n" +
"<PackageUrl>{1}</PackageUrl>\r\n" +
"<Label>{2}</Label>\r\n" +
"<Configuration>{3}</Configuration>\r\n" +
"<StartDeployment>true</StartDeployment>\r\n" +
"</CreateDeployment>";
// Generate the URL of the HPC runtime package
string blobUrl = string.Format(
"https://{0}.{1}/{2}/{3}",
this.storageServiceName,
AzureNaming.AzureBlobStorageDomain,
AzureNaming.GenerateAzureEntityName("HpcRuntime", this.clusterName, this.subscriptionId, this.serviceName),
packageFileName
);
// Generate a name for the deployment
string deploymentName = AzureNaming.GenerateAzureEntityName("HpcDeployment", this.clusterName, this.subscriptionId, this.serviceName);
// Generate a label
string label = string.Format(
"Deployment for Windows Azure HPC Scheduler: {0}",
this.clusterName);
label = Utility.Base64EncodeString(label);
if (label.Length > 100)
{
label = label.Substring(0, 100);
}
// Fill in the request template
azureRequest = string.Format(
azureRequest,
deploymentName,
blobUrl,
label,
Utility.Base64EncodeString(configXml)
);
// Submit the request
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
AzureManagementResponse response = client.SubmitRequestWithBody(
RequestType.POST,
azureRequest,
"2010-04-01",
"services/hostedservices/{0}/deploymentslots/production",
this.serviceName
);
// Generate an Async operation to track the deployment
AsyncAzureOperation op = new AsyncAzureOperation(this, response.OperationId, false);
// Need to poll Azure to find detailed information about the deployment
for (; ; )
{
// Loop through all deployments looking for the one we created
foreach (AzureDeployment deploy in this.EnumerateAzureDeployments())
{
// If we find it, return it
if (string.Equals(deploy.Name, deploymentName, StringComparison.InvariantCultureIgnoreCase))
{
deployment = deploy;
return op;
}
}
// Abort polling if the operation has failed
if (op.GetOperationStatus() == AzureOperationStatus.Failed)
{
break;
}
// Wait 2 seconds before polling next
System.Threading.Thread.Sleep(2 * 1000);
}
return op;
}
/// <summary>
/// Change Azure deployment state between the suspended and running states
/// </summary>
public IAsyncAzureOperation ChangeAzureDeploymentState(string deploymentName, out AzureDeployment deployment, AzureDeploymentState state)
{
string request =
"<?xml version=\"1.0\" encoding=\"utf-8\"?>" +
"<UpdateDeploymentStatus xmlns=\"http://schemas.microsoft.com/windowsazure\">" +
"<Status>{0}</Status>" +
"</UpdateDeploymentStatus>";
request = string.Format(request, state.ToString());
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
AzureManagementResponse response = client.SubmitRequestWithBody(
RequestType.POST,
request,
"2009-10-01",
"services/hostedservices/{0}/deployments/{1}/?comp=status",
this.serviceName,
deploymentName
);
string operationId = response.OperationId;
AsyncAzureOperation op = new AsyncAzureOperation(this, operationId, false);
deployment = this.QueryAzureDeployment(deploymentName);
return op;
}
/// <summary>
/// Get the location for specified service, if not location information, return the affinity group
/// </summary>
/// <param name="subscriptionId"></param>
/// <param name="thumbprint"></param>
/// <param name="serviceName"></param>
/// <param name="affinityGroup"></param>
/// <returns></returns>
public static string GetServiceLocation(Guid subscriptionId, string thumbprint, string serviceName, out string affinityGroup)
{
AzureManagementClient client = new AzureManagementClient(thumbprint, subscriptionId);
AzureManagementResponse response = client.SubmitRequest(
RequestType.GET,
"2009-10-01",
"services/hostedservices/{0}",
serviceName
);
XmlNode node = response.GetXmlNode("HostedServiceProperties");
affinityGroup = response.GetXmlValue(node, "AffinityGroup");
return response.GetXmlValue(node, "Location");
}
/// <summary>
/// Queries for all SQL Azure servers bound to the associated Subscription at specific location
/// </summary>
public IEnumerable<AzureSQLServer> EnumerateAzureSQLServers(string serverLocation)
{
// Query SQL Azure for server info
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
AzureManagementResponse response = client.SubmitSQLAzureRequest(
RequestType.GET,
"1.0",
"servers");
// Create collection to return
List<AzureSQLServer> servers = new List<AzureSQLServer>();
// If there is no servers node in the result, return an empty collection
XmlNode xmlServers = response.GetSQLXmlNode("Servers");
if (xmlServers == null)
{
return servers;
}
// Populate our collection of servers
foreach (XmlNode xmlServer in xmlServers.ChildNodes)
{
AzureSQLServer srv = new AzureSQLServer();
// Get the server properties
srv.Name = response.GetSQLXmlValue(xmlServer, "Name");
srv.AdministratorLogin = response.GetSQLXmlValue(xmlServer, "AdministratorLogin");
srv.Location = response.GetSQLXmlValue(xmlServer, "Location");
// if the SQL server is at "serverLocation"
if (srv.Location.CompareTo(serverLocation) == 0)
{
// Add to the collection
servers.Add(srv);
}
}
return servers;
}
/// <summary>
/// Get Azure storage account name list
/// </summary>
/// <param name="subscriptionId"></param>
/// <param name="thumbprint"></param>
/// <returns></returns>
public static List<string> GetStorageAccountNames(Guid subscriptionId, string thumbprint)
{
AzureManagementClient client = new AzureManagementClient(thumbprint, subscriptionId);
AzureManagementResponse response = client.SubmitRequest(
RequestType.GET,
"2009-10-01",
"services/storageservices"
);
XmlNodeList nodes = response.GetXmlNodes("StorageService");
List<string> names = new List<string>();
foreach (XmlNode node in nodes)
{
names.Add(response.GetXmlValue(node, "ServiceName"));
}
return names;
}
/// <summary>
/// Enumerates all certificates associated with this service account from a specific location
/// -- Either the service certificate container in Azure blob storage, or the Azure Certificate store
/// </summary>
public IEnumerable<X509Certificate2> EnumerateServiceCertificates(CertificateLocation location)
{
List<X509Certificate2> certs = new List<X509Certificate2>();
if (location == CertificateLocation.AzureManagement)
{
// Submit the Azure request
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
AzureManagementResponse response = client.SubmitRequest(
RequestType.GET,
"2009-10-01",
"services/hostedservices/{0}/certificates",
this.serviceName
);
XmlNode certXml = response.GetXmlNode("Certificates");
if (certXml == null)
{
return certs;
}
foreach (XmlNode certificate in certXml.ChildNodes)
{
string certData = response.GetXmlValue(certificate, "Data");
byte[] certBytes = Convert.FromBase64String(certData);
certs.Add(new X509Certificate2(certBytes));
}
}
else // Blob storage
{
CloudBlobClient blobClient;
CloudTableClient tableClient;
CloudQueueClient queueClient;
this.GetStorageClients(out tableClient, out queueClient, out blobClient);
string certContainer = AzureNaming.GenerateAzureEntityName("HpcAzureCertificates", this.clusterName, this.subscriptionId, this.serviceName);
CloudBlobContainer certBlob = blobClient.GetContainerReference(certContainer);
try
{
foreach (IListBlobItem item in certBlob.ListBlobs())
{
try
{
CloudBlockBlob blob = certBlob.GetBlockBlobReference(item.Uri.ToString());
X509Certificate2 cert = new X509Certificate2(blob.DownloadByteArray());
certs.Add(cert);
}
catch (Exception)
{
continue;
}
}
}
catch (Exception)
{
return certs;
}
}
return certs;
}
/// <summary>
/// Really worker function to validate the user input azure information
/// </summary>
/// <param name="subscriptionId"></param>
/// <param name="thumbprint"></param>
/// <param name="serviceName"></param>
/// <param name="storageName"></param>
private static object[] ValidateAzureAccount(ValidationAsyncContext context, Guid subscriptionId, string thumbprint)
{
IList<string> services = null;
IList<string> storages = null;
IList<AzureImage> vmImages = null;
// Use to store the log for validation
StringBuilder log = new StringBuilder();
// This dictionary store the validation result
// If the item through the validation, an item will be added to this dictionary, and true/false indicate the pass/fail.
IDictionary<ValidateItem, bool> result = new Dictionary<ValidateItem, bool>();
// This varaible is used for exception to set failed item
ValidateItem currentItem = ValidateItem.Certificate;
// If external user cancel this action, just exit this function
if (context.IsCancelling)
return null;
try
{
log.AppendLine("Validating Thumbprint");
// Here will validate the certificate
AzureManagementClient client = new AzureManagementClient(thumbprint, subscriptionId);
result.Add(ValidateItem.Certificate, true);
// If external user cancel this action, just exit this function
if (context.IsCancelling)
return null;
log.AppendLine("Validating Subscription ID");
currentItem = ValidateItem.SubscriptionId;
// Here will validate the subscription
AzureManagementResponse response = client.SubmitRequest(
RequestType.GET,
"2009-10-01",
"services/hostedservices"
);
result.Add(ValidateItem.SubscriptionId, true);
log.AppendLine("Retrieving Service Name");
currentItem = ValidateItem.ServiceName;
services = new List<string>();
// We will return all service name, so we don't need to validate in here
XmlNodeList nodes = response.GetXmlNodes("HostedService");
foreach (XmlNode node in nodes)
{
services.Add(response.GetXmlValue(node, "ServiceName"));
}
// If external user cancel this action, just exit this function
if (context.IsCancelling)
return null;
log.AppendLine("Retrieving Storage Account Name");
currentItem = ValidateItem.StorageAccountName;
// We will return all storage name, so we don't need to validate in here
response = client.SubmitRequest(
RequestType.GET,
"2009-10-01",
"services/storageservices"
);
storages = new List<string>();
nodes = response.GetXmlNodes("StorageService");
foreach (XmlNode node in nodes)
{
storages.Add(response.GetXmlValue(node, "ServiceName"));
}
// If external user cancel this action, just exit this function
if (context.IsCancelling)
return null;
log.AppendLine("Retrieving Virtual Machine Image Name");
currentItem = ValidateItem.VMImageName;
// Query Azure for VM image list
response = client.SubmitRequest(
RequestType.GET,
"2010-04-01",
"machineimages");
vmImages = new List<AzureImage>();
nodes = response.GetXmlNodes("MachineImage");
foreach (XmlNode node in nodes)
{
AzureImage image = new AzureImage();
image.Name = response.GetXmlValue(node, "Name");
image.Location = response.GetXmlValue(node, "Location");
image.Uuid = new Guid(response.GetXmlValue(node, "Uuid"));
image.LastModified = DateTime.Parse(response.GetXmlValue(node, "Timestamp")).ToUniversalTime();
image.ParentUuid = response.GetXmlValue(node, "ParentUuid");
image.Status = response.GetXmlValue(node, "Status");
vmImages.Add(image);
}
}
catch (Exception e)
{
log.AppendLine(e.Message);
result.Add(currentItem, false);
return new object[] { log.ToString(), result, services, storages, vmImages };
}
// If there is no issue, we don't need return any information
return new object[] { null, result, services, storages, vmImages };
}
/// <summary>
/// Enumerates all the hosted services on the subscription by name
/// </summary>
/// <returns></returns>
private IEnumerable<string> GetHostedServiceNames()
{
AzureManagementClient client = new AzureManagementClient(this.certificate, this.subscriptionId);
AzureManagementResponse response = client.SubmitRequestWithBody(
RequestType.GET,
null,
"2009-10-01",
"services/hostedservices"
);
XmlNode node = response.GetXmlNode("HostedServices");
List<string> accountNames = new List<string>();
foreach (XmlNode child in node.ChildNodes)
{
accountNames.Add(response.GetXmlValue(child, "ServiceName"));
}
return accountNames;
}