static DashConfigurationSource()
{
_dataAccounts = new Lazy <IList <CloudStorageAccount> >(() => GetDataStorageAccountsFromConfig().ToList(), LazyThreadSafetyMode.PublicationOnly);
_dataAccountsByName = new Lazy <IDictionary <string, CloudStorageAccount> >(() => DashConfiguration.DataAccounts
.Where(account => account != null)
.ToDictionary(account => account.Credentials.AccountName, StringComparer.OrdinalIgnoreCase), LazyThreadSafetyMode.PublicationOnly);
_namespaceAccount = new Lazy <CloudStorageAccount>(() =>
{
CloudStorageAccount account;
string connectString = AzureUtils.GetConfigSetting("StorageConnectionStringMaster", "");
if (!CloudStorageAccount.TryParse(connectString, out account))
{
DashTrace.TraceError("Error reading namespace account connection string from configuration. Details: {0}", connectString);
return(null);
}
ServicePointManager.FindServicePoint(account.BlobEndpoint).ConnectionLimit = int.MaxValue;
return(account);
}, LazyThreadSafetyMode.PublicationOnly);
}
static IEnumerable <CloudStorageAccount> GetDataStorageAccountsFromConfig()
{
for (int accountIndex = 0; true; accountIndex++)
{
var connectString = AzureUtils.GetConfigSetting("ScaleoutStorage" + accountIndex.ToString(), "");
if (String.IsNullOrWhiteSpace(connectString))
{
yield break;
}
CloudStorageAccount account;
if (CloudStorageAccount.TryParse(connectString, out account))
{
ServicePointManager.FindServicePoint(account.BlobEndpoint).ConnectionLimit = int.MaxValue;
yield return(account);
}
else
{
DashTrace.TraceWarning("Error reading data account connection string from configuration. Configuration details: {0}:{1}", accountIndex, connectString);
}
}
}
public T GetSetting <T>(string settingName, T defaultValue)
{
return(AzureUtils.GetConfigSetting(settingName, defaultValue));
}