public async Task InitializeAsync()
{
if (this.initialized)
{
return;
}
this.table = await AzureHelpers.GetStorageTableAsync("eventstats").ConfigureAwait(false);
this.queue = await AzureHelpers.GetStorageQueueAsync("eventstats").ConfigureAwait(false);
this.initialized = true;
}
private async Task ExecuteTrafficCollector(ExecutionContext executionContext, ILogger logger)
{
DateTime functionStartDate = DateTime.UtcNow;
string sessionId = Guid.NewGuid().ToString();
string identifier = "TrafficTimer";
CloudQueue trafficCloudQueue = await AzureHelpers.GetStorageQueueAsync("traffic").ConfigureAwait(false);
IQueue trafficQueue = new CloudQueueWrapper(trafficCloudQueue);
FunctionContext context = new FunctionContext()
{
CollectorType = CollectorType.TrafficTimer.ToString(),
FunctionStartDate = functionStartDate,
SessionId = sessionId,
InvocationId = executionContext.InvocationId.ToString(),
};
StatsTracker statsTracker = null;
bool success = false;
ITelemetryClient telemetryClient = new GitHubApplicationInsightsTelemetryClient(this.telemetryClient, context, logger);
try
{
telemetryClient.TrackEvent("SessionStart", GetCollectorCommonSessionStartEventProperties(context, identifier));
ICache <RateLimitTableEntity> rateLimiterCache = new AzureTableCache <RateLimitTableEntity>(telemetryClient, "ratelimiter");
await rateLimiterCache.InitializeAsync().ConfigureAwait(false);
ICache <ConditionalRequestTableEntity> requestsCache = new AzureTableCache <ConditionalRequestTableEntity>(telemetryClient, "requests");
await requestsCache.InitializeAsync().ConfigureAwait(false);
string organizations = await AzureHelpers.GetBlobContentAsync("github-settings", "organizations.json").ConfigureAwait(false);
JArray organizationsArray = JArray.Parse(organizations);
foreach (JToken organizationToken in organizationsArray)
{
JObject organization = (JObject)organizationToken;
string organizationLogin = organization.SelectToken("$.OrganizationLogin").Value <string>();
long organizationId = organization.SelectToken("$.OrganizationId").Value <long>();
IRateLimiter rateLimiter = new GitHubRateLimiter(this.configManager.UsesGitHubAuth(context.CollectorType) ? organizationLogin : "******", rateLimiterCache, this.httpClient, telemetryClient, maxUsageBeforeDelayStarts: 80.0, this.apiDomain);
GitHubHttpClient httpClient = new GitHubHttpClient(this.httpClient, rateLimiter, requestsCache, telemetryClient);
statsTracker = new StatsTracker(telemetryClient, httpClient, StatsTrackerRefreshFrequency);
IAuthentication authentication = this.configManager.GetAuthentication(CollectorType.TrafficTimer, httpClient, organizationLogin, this.apiDomain);
CollectorBase <GitHubCollectionNode> collector = new GitHubCollector(httpClient, authentication, telemetryClient, new List <IRecordWriter>());
GitHubCollectionNode repositoriesNode = new GitHubCollectionNode()
{
RecordType = DataContract.RepositoryInstanceRecordType,
ApiName = DataContract.RepositoriesApiName,
GetInitialUrl = additionalMetadata => OnboardingProcessor.InitialRepositoriesUrl(organizationLogin, this.apiDomain),
ProcessRecordAsync = async record =>
{
string repositoryName = record.SelectToken("$.name").Value <string>();
long repositoryId = record.SelectToken("$.id").Value <long>();
Repository repository = new Repository(organizationId, repositoryId, organizationLogin, repositoryName);
await trafficQueue.PutObjectAsJsonStringAsync(repository, TimeSpan.MaxValue).ConfigureAwait(false);
return(new List <RecordWithContext>());
},
};
await collector.ProcessAsync(repositoriesNode).ConfigureAwait(false);
}
success = true;
}
catch (Exception exception) when(!(exception is FatalException))
{
telemetryClient.TrackException(exception, "TrafficTimer failed.");
throw exception;
}
finally
{
SendSessionEndEvent(telemetryClient, context.FunctionStartDate, outputPaths: string.Empty, GetCollectorCommonSessionStartEventProperties(context, identifier), success);
statsTracker?.Stop();
}
}
public async Task Onboard([QueueTrigger("onboarding")] string queueItem, ExecutionContext executionContext, ILogger logger)
{
DateTime functionStartDate = DateTime.UtcNow;
string sessionId = Guid.NewGuid().ToString();
JsonSerializerSettings serializerSettings = new JsonSerializerSettings()
{
TypeNameHandling = TypeNameHandling.None
};
OnboardingInput onboardingInput = JsonConvert.DeserializeObject <OnboardingInput>(queueItem, serializerSettings);
Repository repositoryDetails = onboardingInput.ToRepository();
FunctionContextWriter <FunctionContext> contextWriter = new FunctionContextWriter <FunctionContext>();
string identifier = $"Onboarding";
FunctionContext context = new FunctionContext()
{
CollectorType = CollectorType.Onboarding.ToString(),
FunctionStartDate = functionStartDate,
SessionId = sessionId,
InvocationId = executionContext.InvocationId.ToString(),
};
StatsTracker statsTracker = null;
string outputPaths = string.Empty;
bool success = false;
ITelemetryClient telemetryClient = new GitHubApplicationInsightsTelemetryClient(this.telemetryClient, context, logger);
try
{
telemetryClient.TrackEvent("SessionStart", GetRepositoryCollectorSessionStartEventProperties(context, identifier, repositoryDetails));
ICache <OnboardingTableEntity> onboardingCache = new AzureTableCache <OnboardingTableEntity>(telemetryClient, "onboarding");
await onboardingCache.InitializeAsync().ConfigureAwait(false);
ICache <RateLimitTableEntity> rateLimiterCache = new AzureTableCache <RateLimitTableEntity>(telemetryClient, "ratelimiter");
await rateLimiterCache.InitializeAsync().ConfigureAwait(false);
IRateLimiter rateLimiter = new GitHubRateLimiter(this.configManager.UsesGitHubAuth(context.CollectorType) ? onboardingInput.OrganizationLogin : "******", rateLimiterCache, this.httpClient, telemetryClient, maxUsageBeforeDelayStarts: 50.0, this.apiDomain);
ICache <ConditionalRequestTableEntity> requestsCache = new AzureTableCache <ConditionalRequestTableEntity>(telemetryClient, "requests");
await requestsCache.InitializeAsync().ConfigureAwait(false);
GitHubHttpClient httpClient = new GitHubHttpClient(this.httpClient, rateLimiter, requestsCache, telemetryClient);
IAuthentication authentication = this.configManager.GetAuthentication(CollectorType.Onboarding, httpClient, onboardingInput.OrganizationLogin, this.apiDomain);
CloudQueue onboardingCloudQueue = await AzureHelpers.GetStorageQueueAsync("onboarding").ConfigureAwait(false);
IQueue onboardingQueue = new CloudQueueWrapper(onboardingCloudQueue);
StorageManager storageManager;
List <IRecordWriter> recordWriters;
using (storageManager = this.configManager.GetStorageManager(context.CollectorType, telemetryClient))
{
recordWriters = storageManager.InitializeRecordWriters(identifier, context, contextWriter, this.adlsClient.AdlsClient);
IRecordStatsTracker recordStatsTracker = null;
foreach (IRecordWriter recordWriter in recordWriters)
{
recordWriter.SetOutputPathPrefix($"{repositoryDetails.OrganizationId}/{repositoryDetails.RepositoryId}");
if (recordStatsTracker == null)
{
recordStatsTracker = recordWriter;
}
}
statsTracker = new StatsTracker(telemetryClient, httpClient, recordStatsTracker, StatsTrackerRefreshFrequency);
OnboardingProcessor processor = new OnboardingProcessor(authentication, recordWriters, httpClient, onboardingCache, onboardingQueue, telemetryClient, this.apiDomain);
await processor.ProcessAsync(onboardingInput).ConfigureAwait(false);
}
await storageManager.FinalizeRecordWritersAsync().ConfigureAwait(false);
outputPaths = RecordWriterExtensions.GetOutputPaths(recordWriters);
success = true;
}
catch (Exception exception) when(!(exception is FatalException))
{
telemetryClient.TrackException(exception, "Onboard failed.");
throw exception;
}
finally
{
SendSessionEndEvent(telemetryClient, context.FunctionStartDate, outputPaths, GetRepositoryCollectorSessionStartEventProperties(context, identifier, repositoryDetails), success);
statsTracker?.Stop();
}
}