public static async Task BatchProcessor(
[QueueTrigger(_QUEUENAME)] string message,
[Table(_INDEXERTABLENAME)] CloudTable summaryTable,
[EventHub(_EVENTHUBEPATH, Connection = "EventHubConnection")] IAsyncCollector <string> eventHub,
ILogger logger)
{
var run = DateTime.Now;
logger.LogInformation($"Processing batch {run}");
var analytics = LogAnalyticQuery.GetInstance(logger);
if (_local)
{
await analytics.AuthenticateWithClient(tenantId, _clientId, _clientSecret);
}
else
{
await analytics.AuthenticateWithMSI();
}
var timer = Stopwatch.StartNew();
var summary = JsonConvert.DeserializeObject <Summary>(message);
var events = await analytics.FetchEvents($"datetime({summary.LastCursor})", $"datetime({summary.NextCursor})");
await eventHub.SendEvents(events, logger);
summary = new Summary(summary.LastCursor, summary.NextCursor, events.Count, "OK", timer.ElapsedMilliseconds, run);
summary.ETag = "*"; //Etag required for replace
await summaryTable.ExecuteAsync(TableOperation.Replace(summary));
}
