public static async Task BeginDeployArmTemplateForImport()

in SQL-Hybrid-Cloud-Toolkit/Components/ADP/ADPControl/AzureResourceManagerActivity.cs [40:86]
36 lines of code
2 McCabe index (conditional complexity)

        public static async Task<string> BeginDeployArmTemplateForImport([ActivityTrigger] ImportRequest request, ILogger log)
        {
            var azureServiceTokenProvider = new AzureServiceTokenProvider();
            TokenCredentials tokenArmCredential = new TokenCredentials(await azureServiceTokenProvider.GetAccessTokenAsync("https://management.core.windows.net/"));

            ResourceManagementClient resourcesClient = new ResourceManagementClient(tokenArmCredential) { SubscriptionId = request.SubscriptionId.ToString() };
            StorageManagementClient storageMgmtClient = new StorageManagementClient(tokenArmCredential) { SubscriptionId = request.SubscriptionId.ToString() };

            // Get the storage account keys for a given account and resource group
            IList<StorageAccountKey> acctKeys = storageMgmtClient.StorageAccounts.ListKeys(request.ResourceGroupName, request.StorageAccountName).Keys;

            // Get a Storage account using account creds:
            StorageCredentials storageCred = new StorageCredentials(request.StorageAccountName, acctKeys.FirstOrDefault().Value);
            CloudStorageAccount linkedStorageAccount = new CloudStorageAccount(storageCred, true);
            CloudBlobContainer container = linkedStorageAccount
                                                .CreateCloudBlobClient()
                                                .GetContainerReference(request.ContainerName);

            CloudBlockBlob blob = container.GetBlockBlobReference(ArmTemplateFileName);
            string json = await blob.DownloadTextAsync();

            JObject originalTemplate = JObject.Parse(json);
            JObject importTemplate = UpdateArmTemplateForImport(originalTemplate, request);

            var deployParams = new Deployment
            {
                Properties = new DeploymentProperties
                {
                    Mode = DeploymentMode.Incremental,
                    Template = importTemplate
                }
            };

            string deploymentName = request.TargetSqlServerName + "_" + DateTime.UtcNow.ToFileTimeUtc();

            try
            {
                await resourcesClient.Deployments.BeginCreateOrUpdateAsync(request.TargetSqlServerResourceGroupName, deploymentName, deployParams);                
            }
            catch (Exception ex)
            {
                log.LogError(ex.ToString());
                throw ex;
            }

            return deploymentName;
        }