/// <summary>
/// Retrieves VMs (number and type) that can be allocated on a Dedicated Host.
/// </summary>
/// <param name="token">Auth token.</param>
/// <param name="azureEnvironment">Azure cloud.</param>
/// <param name="tenantId">Tenant ID.</param>
/// <param name="subscriptionId">Subscription ID.</param>
/// <param name="resourceGroup">Resource group.</param>
/// <param name="hostGroupName">Dedicated host group name.</param>
/// <param name="dedicatedHost">Dedicated Host object.</param>
/// <param name="dictionary">Dictionary object.</param>
public virtual async Task GetAllocatableVmsOnHost(
string token,
AzureEnvironment azureEnvironment,
string tenantId,
string subscriptionId,
string resourceGroup,
string hostGroupName,
DedicatedHost dedicatedHost,
IDictionary <DedicatedHost, List <DedicatedHostAllocatableVM> > dictionary)
{
if (string.IsNullOrEmpty(token))
{
throw new ArgumentNullException(nameof(token));
}
if (azureEnvironment == null)
{
throw new ArgumentNullException(nameof(azureEnvironment));
}
if (string.IsNullOrEmpty(tenantId))
{
throw new ArgumentNullException(nameof(tenantId));
}
var azureCredentials = new AzureCredentials(
new TokenCredentials(token),
new TokenCredentials(token),
tenantId,
azureEnvironment);
var computeManagementClient = await _dhmComputeClient.GetComputeManagementClient(
subscriptionId,
azureCredentials,
azureEnvironment);
var dedicatedHostDetails = await computeManagementClient.DedicatedHosts.GetAsync(
resourceGroup,
hostGroupName,
dedicatedHost.Name,
InstanceViewTypes.InstanceView,
default(CancellationToken));
var virtualMachineList = dedicatedHostDetails?.InstanceView?.AvailableCapacity?.AllocatableVMs?.ToList();
if (virtualMachineList == null)
{
_logger.LogError($"Could not get available VM list for {dedicatedHost.Id}");
return;
}
dictionary[dedicatedHost] = virtualMachineList;
}
/// <summary>
/// Creates a Dedicated Host Group.
/// </summary>
/// <param name="token">Auth token.</param>
/// <param name="azureEnvironment">Azure cloud.</param>
/// <param name="tenantId">Tenant ID.</param>
/// <param name="subscriptionId">Subscription ID.</param>
/// <param name="resourceGroup">Resource group.</param>
/// <param name="dhgName">Dedicated Host group name.</param>
/// <param name="azName">Availability zone.</param>
/// <param name="platformFaultDomainCount">Fault domain count.</param>
/// <param name="location">Location/region.</param>
public async Task <AzureOperationResponse <DedicatedHostGroup> > CreateDedicatedHostGroup(
string token,
AzureEnvironment azureEnvironment,
string tenantId,
string subscriptionId,
string resourceGroup,
string dhgName,
string azName,
int platformFaultDomainCount,
string location)
{
if (string.IsNullOrEmpty(token))
{
throw new ArgumentNullException(nameof(token));
}
if (azureEnvironment == null)
{
throw new ArgumentNullException(nameof(azureEnvironment));
}
if (string.IsNullOrEmpty(tenantId))
{
throw new ArgumentNullException(nameof(tenantId));
}
if (string.IsNullOrEmpty(subscriptionId))
{
throw new ArgumentException(nameof(subscriptionId));
}
if (string.IsNullOrEmpty(resourceGroup))
{
throw new ArgumentException(nameof(resourceGroup));
}
if (string.IsNullOrEmpty(dhgName))
{
throw new ArgumentException(nameof(dhgName));
}
if (string.IsNullOrEmpty(location))
{
throw new ArgumentException(nameof(location));
}
var azureCredentials = new AzureCredentials(
new TokenCredentials(token),
new TokenCredentials(token),
tenantId,
azureEnvironment);
var newDedicatedHostGroup = new DedicatedHostGroup()
{
Location = location,
PlatformFaultDomainCount = platformFaultDomainCount
};
if (!string.IsNullOrEmpty(azName))
{
newDedicatedHostGroup.Zones = new List <string> {
azName
};
}
var dhgCreateRetryCount = _config.DhgCreateRetryCount;
var computeManagementClient = await _dhmComputeClient.GetComputeManagementClient(
subscriptionId,
azureCredentials,
azureEnvironment);
var response = new AzureOperationResponse <DedicatedHostGroup>();
await Policy
.Handle <CloudException>()
.WaitAndRetryAsync(
dhgCreateRetryCount,
r => TimeSpan.FromSeconds(2 * r),
(ex, ts, r) =>
_logger.LogInformation(
$"Create host group {dhgName} failed. Attempt #{r}/{dhgCreateRetryCount}. Will try again in {ts.TotalSeconds} seconds. Exception={ex}"))
.ExecuteAsync(async() =>
{
response = await computeManagementClient.DedicatedHostGroups.CreateOrUpdateWithHttpMessagesAsync(
resourceGroup,
dhgName,
newDedicatedHostGroup,
null,
default(CancellationToken));
});
return(response);
}
