private static string SanitizeStoragePrefix(ICommandAuditOptions options)
{
const int MaxStorageNameSize = 45;
var validStorageNameCharacters = (options.StoragePrefix ?? string.Empty)
.ToCharArray()
.Where(char.IsLetterOrDigit);
if (!validStorageNameCharacters.Any())
{
return(string.Empty);
}
if (char.IsNumber(validStorageNameCharacters.First()))
{
// Azure Table storage requires that the task hub does not start
// with a number. If it does, prepend "a" to the beginning.
validStorageNameCharacters = validStorageNameCharacters.ToList();
((List <char>)validStorageNameCharacters).Insert(0, 'a');
}
return(new string(validStorageNameCharacters
.Take(MaxStorageNameSize)
.ToArray()));
}
public CommandAuditReader(ICommandAuditOptions options = null)
{
this.options = options ?? CommandAuditOptions.Default;
tableClientInstance = new Lazy <TableClient>(() =>
new TableClient(this.options.ConnectionString, CommandAuditEntity.AUDIT_TABLE_NAME));
blobContainerClientInstance = new Lazy <BlobContainerClient>(() =>
new BlobContainerClient(this.options.ConnectionString, CommandAuditEntity.AUDIT_CONTAINER_NAME));
}
public CommandAuditWriter(ICommandAuditOptions options = null)
{
auditContainer = new Lazy <CloudBlobContainer>(() => BlobCloudStorageAccount
.Parse((options ?? CommandAuditOptions.Default).ConnectionString)
.CreateCloudBlobClient().GetContainerReference(GetAuditContainerName(options)));
auditTable = new Lazy <CloudTable>(() => TableCloudStorageAccount
.Parse((options ?? CommandAuditOptions.Default).ConnectionString)
.CreateCloudTableClient().GetTableReference(GetAuditTableName(options)));
}
private static string GetAuditTableName(ICommandAuditOptions options)
=> $"{SanitizeStoragePrefix(options)}Audit".Trim();
private static string GetAuditContainerName(ICommandAuditOptions options)
=> $"{SanitizeStoragePrefix(options)}-Audit".Trim().TrimStart('-').ToLowerInvariant();
