public async Task <ActionResult> Reset()
{
var telemetry = new TelemetryClient();
try
{
var token = APIUtil.Authenticate(this.Request, ConfigurationManager.AppSettings[ApplicationMetadataStore.AKAdminToken]);
using (var wc = new WebClient())
{
wc.Headers.Add($"Authorization: {token}");
wc.DownloadString(ConfigurationManager.AppSettings[ApplicationMetadataStore.AKTrainerURL] + "/reset");
var storageAccount = CloudStorageAccount.Parse(ConfigurationManager.AppSettings[ApplicationMetadataStore.AKConnectionString]);
var blobClient = storageAccount.CreateCloudBlobClient();
var blobContainer = blobClient.GetContainerReference(ApplicationBlobConstants.OfflineEvalContainerName);
await Task.WhenAll(blobContainer
.ListBlobs(useFlatBlobListing : true)
.OfType <CloudBlockBlob>()
.Select(b => b.UploadFromByteArrayAsync(new byte[0] {
}, 0, 0)));
}
return(new HttpStatusCodeResult(HttpStatusCode.OK));
}
catch (UnauthorizedAccessException ex)
{
return(new HttpStatusCodeResult(HttpStatusCode.Unauthorized, ex.Message));
}
catch (WebException ex)
{
telemetry.TrackException(ex);
string response;
using (var stream = new StreamReader(ex.Response.GetResponseStream()))
{
response = await stream.ReadToEndAsync();
}
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError, ex.ToString() + " " + response));
}
catch (Exception ex)
{
telemetry.TrackException(ex);
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError, ex.ToString()));
}
}
public async Task <ActionResult> Ranker(string defaultActions, string eventId)
{
try
{
APIUtil.Authenticate(this.Request);
var client = DecisionServiceClientFactory.AddOrGetExisting(ModelSuccessNotifier);
var context = APIUtil.ReadBody(this.Request);
if (string.IsNullOrEmpty(eventId))
{
eventId = APIUtil.CreateEventId();
}
int[] actions;
if (string.IsNullOrWhiteSpace(defaultActions))
{
actions = await client.ChooseRankingAsync(eventId, context);
}
else
{
int[] defaultActionArray = Array.ConvertAll(defaultActions.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries), Convert.ToInt32);
actions = await client.ChooseRankingAsync(eventId, context, defaultActionArray);
}
return(Json(new
{
EventId = eventId,
Actions = actions,
ModelTime = ModelUpdateTime
}));
}
catch (UnauthorizedAccessException ex)
{
return(new HttpStatusCodeResult(HttpStatusCode.Unauthorized, ex.Message));
}
catch (Exception ex)
{
new TelemetryClient().TrackException(ex);
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError, ex.ToString()));
}
}
public ActionResult Reward(string eventId)
{
var telemetry = new TelemetryClient();
try
{
APIUtil.Authenticate(this.Request);
var client = DecisionServiceClientFactory.AddOrGetExisting(ModelSuccessNotifier);
var rewardStr = APIUtil.ReadBody(this.Request);
var rewardObj = JToken.Parse(rewardStr);
client.ReportOutcome(rewardObj, eventId);
if (rewardObj.Type == JTokenType.Float)
{
telemetry.TrackEvent("Reward", metrics: new Dictionary <string, double> {
{ "Reward", rewardObj.ToObject <float>() }
});
}
else
{
telemetry.TrackEvent("Reward");
}
// telemetry.TrackTrace($"HTTP Endpoint received reward report of: {rewardStr}");
return(new HttpStatusCodeResult(HttpStatusCode.OK));
}
catch (UnauthorizedAccessException ex)
{
return(new HttpStatusCodeResult(HttpStatusCode.Unauthorized, ex.Message));
}
catch (Exception ex)
{
telemetry.TrackException(ex);
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError, ex.ToString()));
}
}
public static DecisionServiceClient <string> AddOrGetExisting(Action <byte[]> modelSuccessNotifier)
{
return(DecisionServiceStaticClient.AddOrGetExisting("single", _ =>
{
var telemetry = new TelemetryClient();
string azureStorageConnectionString = ConfigurationManager.AppSettings[ApplicationMetadataStore.AKConnectionString];
var storageAccount = CloudStorageAccount.Parse(azureStorageConnectionString);
var blobClient = storageAccount.CreateCloudBlobClient();
var settingsBlobContainer = blobClient.GetContainerReference(ApplicationBlobConstants.SettingsContainerName);
var clientSettingsBlob = settingsBlobContainer.GetBlockBlobReference(ApplicationBlobConstants.LatestClientSettingsBlobName);
//var settingsUrl = clientSettingsBlob.StorageUri.PrimaryUri.ToString();
var settingsUrl = APIUtil.GetSettingsUrl();
telemetry.TrackEvent($"DecisionServiceClient created: '{settingsUrl}'");
var config = new DecisionServiceConfiguration(settingsUrl)
{
InteractionUploadConfiguration = new BatchingConfiguration
{
MaxDuration = TimeSpan.FromSeconds(2),
UploadRetryPolicy = BatchUploadRetryPolicy.ExponentialRetry
},
ModelPollSuccessCallback = modelSuccessNotifier,
ModelPollFailureCallback = e => telemetry.TrackException(e, new Dictionary <string, string> {
{ "Pool failure", "model" }
}),
SettingsPollFailureCallback = e => telemetry.TrackException(e, new Dictionary <string, string> {
{ "Pool failure", "settings" }
}),
AzureStorageConnectionString = ConfigurationManager.AppSettings[ApplicationMetadataStore.AKConnectionString]
};
return DecisionService.CreateJson(config);
}));
}