private void AddConfigurationAndGatewayServices(IServiceCollection services)
{
var cosmosDBConfiguration = new CosmosDBConfiguration();
Configuration.Bind("CosmosDB", cosmosDBConfiguration);
services.AddSingleton(cosmosDBConfiguration);
var eventGridConfiguration = new EventGridConfiguration();
Configuration.Bind("EventGrid", eventGridConfiguration);
services.AddSingleton(eventGridConfiguration);
var websocketConfiguration = new WebsocketConfiguration();
Configuration.Bind("Websocket", websocketConfiguration);
services.AddSingleton(websocketConfiguration);
services.AddSingleton <IDecisionChannel, DecisionChannelRx>();
services.AddSingleton <IPerceptionChannel, PerceptionChannelRx>();
if (eventGridConfiguration.Enabled)
{
services.AddSingleton(s => new EventGridClient(new TopicCredentials(eventGridConfiguration.PersonProfileContextPerceptionTopicKey)));
services.AddSingleton <PerceptionChannelAdapterEventGrid>();
}
else
{
// Individual components and their dependencies, seemlessly replaced by Azure functions in the cloud
services.AddSingleton(s => new DocumentClient(new Uri(cosmosDBConfiguration.AccountEndpoint), cosmosDBConfiguration.AccountKey));
services.AddSingleton <PersonComponent>();
services.AddSingleton <IPersonRepository, PersonRepositoryCosmosDb>();
}
}
public static void AddEventGrid(this IServiceCollection services)
{
var endpoint = Environment.GetEnvironmentVariable("EventGrid__Endpoint", EnvironmentVariableTarget.Process);
var topicKey = Environment.GetEnvironmentVariable("EventGrid__TopicKey", EnvironmentVariableTarget.Process);
var config = new EventGridConfiguration()
{
Endpoint = endpoint, TopicKey = topicKey
};
services.AddSingleton(config);
services.AddSingleton <IEventGridService, EventGridService>();
}
public EventGridPublishingHandlerTests()
{
EventGridConfigurationOptionsMonitor = A.Fake <IOptionsMonitor <EventGridConfiguration> >();
EventGridConfiguration = new EventGridConfiguration();
A.CallTo(() => EventGridConfigurationOptionsMonitor.CurrentValue)
.Returns(EventGridConfiguration);
EventGridContentClient = A.Fake <IEventGridContentClient>();
SyncNameProvider = A.Fake <ISyncNameProvider>();
UserId = "C7FE81FB-CF2B-4897-ABE9-1EB931A31371";
A.CallTo(() => SyncNameProvider.GetEventIdPropertyValue(
A <JObject> ._,
A <IContentItemVersion> ._)).Returns(UserId);
PublishedContentItemVersion = A.Fake <IPublishedContentItemVersion>();
PreviewContentItemVersion = A.Fake <IPreviewContentItemVersion>();
NeutralEventContentItemVersion = A.Fake <INeutralEventContentItemVersion>();
Logger = A.Fake <ILogger <EventGridPublishingHandler> >();
EventGridPublishingHandler = new EventGridPublishingHandler(
EventGridConfigurationOptionsMonitor,
EventGridContentClient,
SyncNameProvider,
PublishedContentItemVersion,
PreviewContentItemVersion,
NeutralEventContentItemVersion,
Logger);
OrchestrationContext = A.Fake <IOrchestrationContext>();
ContentItem = new ContentItem
{
ContentType = "ContentType",
ContentItemVersionId = "ContentItemVersionId",
DisplayText = "DisplayText",
Author = "Author"
};
A.CallTo(() => OrchestrationContext.ContentItem)
.Returns(ContentItem);
}
/// <summary>
/// Adds services to enable publishing of content events to Azure Event Grid.
/// </summary>
/// <remarks>
/// Policy notes:
/// We don't add a circuit-breaker (but we might later).
/// We could add knowledge of CloudError to policy, but we don't as errors resulting in CloudError's are
/// probably our fault (with the event contents), as opposed to transient network/http errors.
/// We might want to change the Handler lifetime from the default of 2 minutes, using
/// .SetHandlerLifetime(TimeSpan.FromMinutes(3));
/// it's a balance between keeping sockets open and latency in handling dns updates.
/// </remarks>
public static void AddEventGridPublishing(this IServiceCollection services, IConfiguration configuration)
{
var eventGridSection = configuration.GetSection("EventGrid");
services.Configure <EventGridConfiguration>(eventGridSection);
//todo: check config for null and throw meaningful exceptions
EventGridConfiguration eventGridConfig = eventGridSection.Get <EventGridConfiguration>();
// publishing an event should be quick, so set the timeout low
var timeoutPolicy = Policy.TimeoutAsync <HttpResponseMessage>(5);
foreach (EventGridTopicConfiguration eventGridTopicConfig in eventGridConfig.Topics)
{
var delay = Backoff.DecorrelatedJitterBackoffV2(medianFirstRetryDelay: TimeSpan.FromSeconds(1), retryCount: 5);
services.AddHttpClient(eventGridTopicConfig.ContentType, client =>
{
client.BaseAddress = new Uri(eventGridTopicConfig.TopicEndpoint !);
client.DefaultRequestHeaders.Add("aeg-sas-key", eventGridTopicConfig.AegSasKey !);
})
public PerceptionChannelAdapterEventGrid(EventGridClient eventGridClient, EventGridConfiguration eventGridConfiguration)
{
_eventGridClient = eventGridClient;
_topicHostName = new Uri(eventGridConfiguration.PersonProfileContextPerceptionTopicUrl).Host;
}
public MessageService(IOptions <EventGridConfiguration> options)
{
_config = options.Value;
}
public EventGridMessagingHelper(IConfiguration configuration)
{
config = new EventGridConfiguration();
configuration.Bind("EventGrid", this.config);
}
