static async Task <int> MainAsync(IConfigurationRoot configuration)
{
string logLevel = configuration.GetValue($"{Logger.RuntimeLogLevelEnvKey}", "info");
Logger.SetLogLevel(logLevel);
// Set the LoggerFactory used by the Routing code.
if (configuration.GetValue("EnableRoutingLogging", false))
{
Routing.LoggerFactory = Logger.Factory;
}
ILogger logger = Logger.Factory.CreateLogger("EdgeHub");
EdgeHubCertificates certificates = await EdgeHubCertificates.LoadAsync(configuration, logger);
bool clientCertAuthEnabled = configuration.GetValue(Constants.ConfigKey.EdgeHubClientCertAuthEnabled, false);
string sslProtocolsConfig = configuration.GetValue(Constants.ConfigKey.SslProtocols, string.Empty);
SslProtocols sslProtocols = SslProtocolsHelper.Parse(sslProtocolsConfig, DefaultSslProtocols, logger);
logger.LogInformation($"Enabling SSL protocols: {sslProtocols.Print()}");
IDependencyManager dependencyManager = new DependencyManager(configuration, certificates.ServerCertificate, certificates.TrustBundle, sslProtocols);
Hosting hosting = Hosting.Initialize(configuration, certificates.ServerCertificate, dependencyManager, clientCertAuthEnabled, sslProtocols);
IContainer container = hosting.Container;
logger.LogInformation("Initializing Edge Hub");
LogLogo(logger);
LogVersionInfo(logger);
logger.LogInformation($"OptimizeForPerformance={configuration.GetValue("OptimizeForPerformance", true)}");
logger.LogInformation($"MessageAckTimeoutSecs={configuration.GetValue("MessageAckTimeoutSecs", 30)}");
logger.LogInformation("Loaded server certificate with expiration date of {0}", certificates.ServerCertificate.NotAfter.ToString("o"));
var metricsProvider = container.Resolve <IMetricsProvider>();
Metrics.InitWithAspNet(metricsProvider, logger); // Note this requires App.UseMetricServer() to be called in Startup.cs
// Init V0 Metrics
MetricsV0.BuildMetricsCollector(configuration);
// EdgeHub and CloudConnectionProvider have a circular dependency. So need to Bind the EdgeHub to the CloudConnectionProvider.
IEdgeHub edgeHub = await container.Resolve <Task <IEdgeHub> >();
ICloudConnectionProvider cloudConnectionProvider = await container.Resolve <Task <ICloudConnectionProvider> >();
cloudConnectionProvider.BindEdgeHub(edgeHub);
// EdgeHub cloud proxy and DeviceConnectivityManager have a circular dependency,
// so the cloud proxy has to be set on the DeviceConnectivityManager after both have been initialized.
var deviceConnectivityManager = container.Resolve <IDeviceConnectivityManager>();
IConnectionManager connectionManager = await container.Resolve <Task <IConnectionManager> >();
(deviceConnectivityManager as DeviceConnectivityManager)?.SetConnectionManager(connectionManager);
// Register EdgeHub credentials
var edgeHubCredentials = container.ResolveNamed <IClientCredentials>("EdgeHubCredentials");
ICredentialsCache credentialsCache = await container.Resolve <Task <ICredentialsCache> >();
await credentialsCache.Add(edgeHubCredentials);
// Initializing configuration
logger.LogInformation("Initializing configuration");
IConfigSource configSource = await container.Resolve <Task <IConfigSource> >();
ConfigUpdater configUpdater = await container.Resolve <Task <ConfigUpdater> >();
await configUpdater.Init(configSource);
if (!Enum.TryParse(configuration.GetValue("AuthenticationMode", string.Empty), true, out AuthenticationMode authenticationMode) ||
authenticationMode != AuthenticationMode.Cloud)
{
ConnectionReauthenticator connectionReauthenticator = await container.Resolve <Task <ConnectionReauthenticator> >();
connectionReauthenticator.Init();
}
TimeSpan shutdownWaitPeriod = TimeSpan.FromSeconds(configuration.GetValue("ShutdownWaitPeriod", DefaultShutdownWaitPeriod));
(CancellationTokenSource cts, ManualResetEventSlim completed, Option <object> handler) = ShutdownHandler.Init(shutdownWaitPeriod, logger);
using (IProtocolHead protocolHead = await GetEdgeHubProtocolHeadAsync(logger, configuration, container, hosting))
using (var renewal = new CertificateRenewal(certificates, logger))
{
await protocolHead.StartAsync();
await Task.WhenAny(cts.Token.WhenCanceled(), renewal.Token.WhenCanceled());
logger.LogInformation("Stopping the protocol heads...");
await protocolHead.CloseAsync(CancellationToken.None);
logger.LogInformation("Protocol heads stopped.");
await CloseDbStoreProviderAsync(container);
}
completed.Set();
handler.ForEach(h => GC.KeepAlive(h));
logger.LogInformation("Shutdown complete.");
return(0);
}
public static async Task <int> MainAsync(IConfigurationRoot configuration)
{
string logLevel = configuration.GetValue($"{Logger.RuntimeLogLevelEnvKey}", "info");
Logger.SetLogLevel(logLevel);
// Set the LoggerFactory used by the Routing code.
if (configuration.GetValue("EnableRoutingLogging", false))
{
Routing.Core.Routing.LoggerFactory = Logger.Factory;
}
X509Certificate2 cert;
IEnumerable <X509Certificate2> chain;
string edgeHubConnectionString = configuration.GetValue <string>(Constants.IotHubConnectionStringVariableName);
// When connection string is not set it is edged mode
if (string.IsNullOrEmpty(edgeHubConnectionString))
{
var workloadUri = new Uri(configuration.GetValue <string>(Constants.WorkloadUriVariableName));
string edgeHubHostname = configuration.GetValue <string>(Constants.EdgeDeviceHostnameVariableName);
string moduleId = configuration.GetValue <string>(Constants.ModuleIdVariableName);
string generationId = configuration.GetValue <string>(Constants.ModuleGenerationIdVariableName);
DateTime expiration = DateTime.UtcNow.AddDays(Constants.CertificateValidityDays);
(cert, chain) = await CertificateHelper.GetServerCertificatesFromEdgelet(workloadUri, Constants.WorkloadApiVersion, moduleId, generationId, edgeHubHostname, expiration);
}
else
{
string edgeHubCertPath = configuration.GetValue <string>(Constants.EdgeHubServerCertificateFileKey);
cert = new X509Certificate2(edgeHubCertPath);
string edgeHubCaChainCertPath = configuration.GetValue <string>(Constants.EdgeHubServerCAChainCertificateFileKey);
chain = CertificateHelper.GetServerCACertificatesFromFile(edgeHubCaChainCertPath);
}
// TODO: set certificate for Startup without the cache
ServerCertificateCache.X509Certificate = cert;
int port = configuration.GetValue("httpSettings:port", 443);
Hosting hosting = Hosting.Initialize(port);
IContainer container = hosting.Container;
ILogger logger = container.Resolve <ILoggerFactory>().CreateLogger("EdgeHub");
logger.LogInformation("Starting Edge Hub");
VersionInfo versionInfo = VersionInfo.Get(Constants.VersionInfoFileName);
if (versionInfo != VersionInfo.Empty)
{
logger.LogInformation($"Version - {versionInfo.ToString(true)}");
}
LogLogo(logger);
if (chain != null)
{
logger.LogInformation("Installing intermediate certificates.");
CertificateHelper.InstallCerts(
RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? StoreName.CertificateAuthority : StoreName.Root,
StoreLocation.CurrentUser,
chain);
}
else
{
logger.LogWarning("Unable to find intermediate certificates.");
}
// EdgeHub and CloudConnectionProvider have a circular dependency. So need to Bind the EdgeHub to the CloudConnectionProvider.
IEdgeHub edgeHub = await container.Resolve <Task <IEdgeHub> >();
var cloudConnectionProvider = container.Resolve <ICloudConnectionProvider>();
cloudConnectionProvider.BindEdgeHub(edgeHub);
// EdgeHub cloud proxy and DeviceConnectivityManager have a circular dependency,
// so the cloud proxy has to be set on the DeviceConnectivityManager after both have been initialized.
var deviceConnectivityManager = container.Resolve <IDeviceConnectivityManager>();
ICloudProxy cloudProxy = await container.ResolveNamed <Task <ICloudProxy> >("EdgeHubCloudProxy");
(deviceConnectivityManager as DeviceConnectivityManager)?.SetTestCloudProxy(cloudProxy);
logger.LogInformation("Initializing configuration");
IConfigSource configSource = await container.Resolve <Task <IConfigSource> >();
ConfigUpdater configUpdater = await container.Resolve <Task <ConfigUpdater> >();
await configUpdater.Init(configSource);
(CancellationTokenSource cts, ManualResetEventSlim completed, Option <object> handler)
= ShutdownHandler.Init(ShutdownWaitPeriod, logger);
var protocolHeads = new List <IProtocolHead>();
if (configuration.GetValue("mqttSettings:enabled", true))
{
protocolHeads.Add(await container.Resolve <Task <MqttProtocolHead> >());
}
if (configuration.GetValue("amqpSettings:enabled", true))
{
protocolHeads.Add(await container.Resolve <Task <AmqpProtocolHead> >());
}
if (configuration.GetValue("httpSettings:enabled", true))
{
protocolHeads.Add(new HttpProtocolHead(hosting.WebHost));
}
using (IProtocolHead protocolHead = new EdgeHubProtocolHead(protocolHeads, logger))
{
await protocolHead.StartAsync();
await cts.Token.WhenCanceled();
await Task.WhenAny(protocolHead.CloseAsync(CancellationToken.None), Task.Delay(TimeSpan.FromSeconds(10), CancellationToken.None));
}
completed.Set();
handler.ForEach(h => GC.KeepAlive(h));
return(0);
}
static async Task <EdgeHubProtocolHead> GetEdgeHubProtocolHeadAsync(ILogger logger, IConfigurationRoot configuration, IContainer container, Hosting hosting)
{
var protocolHeads = new List <IProtocolHead>();
if (configuration.GetValue("mqttSettings:enabled", true))
{
protocolHeads.Add(await container.Resolve <Task <MqttProtocolHead> >());
}
if (configuration.GetValue("amqpSettings:enabled", true))
{
protocolHeads.Add(await container.Resolve <Task <AmqpProtocolHead> >());
}
if (configuration.GetValue("httpSettings:enabled", true))
{
protocolHeads.Add(new HttpProtocolHead(hosting.WebHost));
}
return(new EdgeHubProtocolHead(protocolHeads, logger));
}
static async Task <IProtocolHead> GetEdgeHubProtocolHeadAsync(ILogger logger, IConfigurationRoot configuration, ExperimentalFeatures experimentalFeatures, IContainer container, Hosting hosting)
{
var protocolHeads = new List <IProtocolHead>();
// MQTT broker overrides the legacy MQTT protocol head
if (configuration.GetValue("mqttSettings:enabled", true) && !experimentalFeatures.EnableMqttBroker)
{
protocolHeads.Add(await container.Resolve <Task <MqttProtocolHead> >());
}
if (configuration.GetValue("amqpSettings:enabled", true))
{
protocolHeads.Add(await container.Resolve <Task <AmqpProtocolHead> >());
}
if (configuration.GetValue("httpSettings:enabled", true))
{
protocolHeads.Add(new HttpProtocolHead(hosting.WebHost));
}
return(new EdgeHubProtocolHead(protocolHeads, logger));
}
static async Task <int> MainAsync(IConfigurationRoot configuration)
{
string logLevel = configuration.GetValue($"{Logger.RuntimeLogLevelEnvKey}", "info");
Logger.SetLogLevel(logLevel);
// Set the LoggerFactory used by the Routing code.
if (configuration.GetValue("EnableRoutingLogging", false))
{
Routing.LoggerFactory = Logger.Factory;
}
EdgeHubCertificates certificates = await EdgeHubCertificates.LoadAsync(configuration);
bool clientCertAuthEnabled = configuration.GetValue(Constants.ConfigKey.EdgeHubClientCertAuthEnabled, false);
Hosting hosting = Hosting.Initialize(configuration, certificates.ServerCertificate, new DependencyManager(configuration, certificates.ServerCertificate, certificates.TrustBundle), clientCertAuthEnabled);
IContainer container = hosting.Container;
ILogger logger = container.Resolve <ILoggerFactory>().CreateLogger("EdgeHub");
logger.LogInformation("Initializing Edge Hub");
LogLogo(logger);
LogVersionInfo(logger);
logger.LogInformation("Loaded server certificate with expiration date of {0}", certificates.ServerCertificate.NotAfter.ToString("o"));
// EdgeHub and CloudConnectionProvider have a circular dependency. So need to Bind the EdgeHub to the CloudConnectionProvider.
IEdgeHub edgeHub = await container.Resolve <Task <IEdgeHub> >();
ICloudConnectionProvider cloudConnectionProvider = await container.Resolve <Task <ICloudConnectionProvider> >();
cloudConnectionProvider.BindEdgeHub(edgeHub);
// EdgeHub cloud proxy and DeviceConnectivityManager have a circular dependency,
// so the cloud proxy has to be set on the DeviceConnectivityManager after both have been initialized.
var deviceConnectivityManager = container.Resolve <IDeviceConnectivityManager>();
IConnectionManager connectionManager = await container.Resolve <Task <IConnectionManager> >();
(deviceConnectivityManager as DeviceConnectivityManager)?.SetConnectionManager(connectionManager);
// Register EdgeHub credentials
var edgeHubCredentials = container.ResolveNamed <IClientCredentials>("EdgeHubCredentials");
ICredentialsCache credentialsCache = await container.Resolve <Task <ICredentialsCache> >();
await credentialsCache.Add(edgeHubCredentials);
// Initializing configuration
logger.LogInformation("Initializing configuration");
IConfigSource configSource = await container.Resolve <Task <IConfigSource> >();
ConfigUpdater configUpdater = await container.Resolve <Task <ConfigUpdater> >();
await configUpdater.Init(configSource);
if (!Enum.TryParse(configuration.GetValue("AuthenticationMode", string.Empty), true, out AuthenticationMode authenticationMode) ||
authenticationMode != AuthenticationMode.Cloud)
{
ConnectionReauthenticator connectionReauthenticator = await container.Resolve <Task <ConnectionReauthenticator> >();
connectionReauthenticator.Init();
}
(CancellationTokenSource cts, ManualResetEventSlim completed, Option <object> handler) = ShutdownHandler.Init(ShutdownWaitPeriod, logger);
Metrics.BuildMetricsCollector(configuration);
using (IProtocolHead protocolHead = await GetEdgeHubProtocolHeadAsync(logger, configuration, container, hosting))
using (var renewal = new CertificateRenewal(certificates, logger))
{
await protocolHead.StartAsync();
await Task.WhenAny(cts.Token.WhenCanceled(), renewal.Token.WhenCanceled());
logger.LogInformation("Stopping the protocol heads...");
await Task.WhenAny(protocolHead.CloseAsync(CancellationToken.None), Task.Delay(TimeSpan.FromSeconds(10), CancellationToken.None));
logger.LogInformation("Protocol heads stopped.");
}
completed.Set();
handler.ForEach(h => GC.KeepAlive(h));
logger.LogInformation("Shutdown complete.");
return(0);
}
static async Task <int> MainAsync(IConfigurationRoot configuration)
{
string logLevel = configuration.GetValue($"{Logger.RuntimeLogLevelEnvKey}", "info");
Logger.SetLogLevel(logLevel);
// Set the LoggerFactory used by the Routing code.
if (configuration.GetValue("EnableRoutingLogging", false))
{
Routing.LoggerFactory = Logger.Factory;
}
ILogger logger = Logger.Factory.CreateLogger("EdgeHub");
EdgeHubCertificates certificates = await EdgeHubCertificates.LoadAsync(configuration, logger);
bool clientCertAuthEnabled = configuration.GetValue(Constants.ConfigKey.EdgeHubClientCertAuthEnabled, false);
string sslProtocolsConfig = configuration.GetValue(Constants.ConfigKey.SslProtocols, string.Empty);
SslProtocols sslProtocols = SslProtocolsHelper.Parse(sslProtocolsConfig, DefaultSslProtocols, logger);
logger.LogInformation($"Enabling SSL protocols: {sslProtocols.Print()}");
IDependencyManager dependencyManager = new DependencyManager(configuration, certificates.ServerCertificate, certificates.TrustBundle, certificates.ManifestTrustBundle, sslProtocols);
Hosting hosting = Hosting.Initialize(configuration, certificates.ServerCertificate, dependencyManager, clientCertAuthEnabled, sslProtocols);
IContainer container = hosting.Container;
logger.LogInformation("Initializing Edge Hub");
LogLogo(logger);
LogVersionInfo(logger);
logger.LogInformation($"OptimizeForPerformance={configuration.GetValue("OptimizeForPerformance", true)}");
logger.LogInformation($"MessageAckTimeoutSecs={configuration.GetValue("MessageAckTimeoutSecs", 30)}");
logger.LogInformation("Loaded server certificate with expiration date of {0}", certificates.ServerCertificate.NotAfter.ToString("o"));
var metricsProvider = container.Resolve <IMetricsProvider>();
Metrics.InitWithAspNet(metricsProvider, logger); // Note this requires App.UseMetricServer() to be called in Startup.cs
// EdgeHub and CloudConnectionProvider have a circular dependency. So need to Bind the EdgeHub to the CloudConnectionProvider.
IEdgeHub edgeHub = await container.Resolve <Task <IEdgeHub> >();
ICloudConnectionProvider cloudConnectionProvider = await container.Resolve <Task <ICloudConnectionProvider> >();
cloudConnectionProvider.BindEdgeHub(edgeHub);
// EdgeHub cloud proxy and DeviceConnectivityManager have a circular dependency,
// so the cloud proxy has to be set on the DeviceConnectivityManager after both have been initialized.
var deviceConnectivityManager = container.Resolve <IDeviceConnectivityManager>();
IConnectionManager connectionManager = await container.Resolve <Task <IConnectionManager> >();
(deviceConnectivityManager as DeviceConnectivityManager)?.SetConnectionManager(connectionManager);
// Register EdgeHub credentials
var edgeHubCredentials = container.ResolveNamed <IClientCredentials>("EdgeHubCredentials");
ICredentialsCache credentialsCache = await container.Resolve <Task <ICredentialsCache> >();
await credentialsCache.Add(edgeHubCredentials);
// Register EdgeHub indentity in device scopes cache.
// When we connect upstream, we verify that identity is in scope.
// On a fresh start, we may not yet received the scopes from the upstream, so we need
// to force add edgeHub in the cache so it is able to connect upstream.
// Once we get the scopes from the upstream, this record is replaced.
ServiceIdentity edgeHubIdentity = container.ResolveNamed <ServiceIdentity>("EdgeHubIdentity");
IServiceIdentityHierarchy identityScopes = container.Resolve <IServiceIdentityHierarchy>();
await identityScopes.InsertOrUpdate(edgeHubIdentity);
// Initializing configuration
logger.LogInformation("Initializing configuration");
IConfigSource configSource = await container.Resolve <Task <IConfigSource> >();
ConfigUpdater configUpdater = await container.Resolve <Task <ConfigUpdater> >();
ExperimentalFeatures experimentalFeatures = CreateExperimentalFeatures(configuration);
var configUpdaterStartupFailed = new TaskCompletionSource <bool>();
var configDownloadTask = configUpdater.Init(configSource);
_ = configDownloadTask.ContinueWith(
_ => configUpdaterStartupFailed.SetResult(false),
TaskContinuationOptions.OnlyOnFaulted);
if (!Enum.TryParse(configuration.GetValue("AuthenticationMode", string.Empty), true, out AuthenticationMode authenticationMode) ||
authenticationMode != AuthenticationMode.Cloud)
{
ConnectionReauthenticator connectionReauthenticator = await container.Resolve <Task <ConnectionReauthenticator> >();
connectionReauthenticator.Init();
}
TimeSpan shutdownWaitPeriod = TimeSpan.FromSeconds(configuration.GetValue("ShutdownWaitPeriod", DefaultShutdownWaitPeriod));
(CancellationTokenSource cts, ManualResetEventSlim completed, Option <object> handler) = ShutdownHandler.Init(shutdownWaitPeriod, logger);
using (IProtocolHead mqttBrokerProtocolHead = await GetMqttBrokerProtocolHeadAsync(experimentalFeatures, container))
using (IProtocolHead edgeHubProtocolHead = await GetEdgeHubProtocolHeadAsync(logger, configuration, experimentalFeatures, container, hosting))
using (var renewal = new CertificateRenewal(certificates, logger))
{
try
{
await Task.WhenAll(mqttBrokerProtocolHead.StartAsync(), configDownloadTask);
await edgeHubProtocolHead.StartAsync();
await Task.WhenAny(cts.Token.WhenCanceled(), renewal.Token.WhenCanceled(), configUpdaterStartupFailed.Task);
}
catch (Exception ex)
{
logger.LogError($"Error starting protocol heads: {ex.Message}");
}
logger.LogInformation("Stopping the protocol heads...");
await Task.WhenAll(mqttBrokerProtocolHead.CloseAsync(CancellationToken.None), edgeHubProtocolHead.CloseAsync(CancellationToken.None));
logger.LogInformation("Protocol heads stopped.");
await CloseDbStoreProviderAsync(container);
}
completed.Set();
handler.ForEach(h => GC.KeepAlive(h));
logger.LogInformation("Shutdown complete.");
return(0);
}
static async Task <EdgeHubProtocolHead> GetEdgeHubProtocolHeadAsync(ILogger logger, IConfigurationRoot configuration, IContainer container, Hosting hosting)
{
IConfiguration experimentalFeaturesConfig = configuration.GetSection(Constants.ConfigKey.ExperimentalFeatures);
ExperimentalFeatures experimentalFeatures = ExperimentalFeatures.Create(experimentalFeaturesConfig, Logger.Factory.CreateLogger("EdgeHub"));
var protocolHeads = new List <IProtocolHead>();
// MQTT broker overrides the legacy MQTT protocol head
if (configuration.GetValue("mqttSettings:enabled", true) && !experimentalFeatures.EnableMqttBroker)
{
protocolHeads.Add(await container.Resolve <Task <MqttProtocolHead> >());
}
if (configuration.GetValue("amqpSettings:enabled", true))
{
protocolHeads.Add(await container.Resolve <Task <AmqpProtocolHead> >());
}
if (configuration.GetValue("httpSettings:enabled", true))
{
protocolHeads.Add(new HttpProtocolHead(hosting.WebHost));
}
var orderedProtocolHeads = new List <IProtocolHead>();
if (experimentalFeatures.EnableMqttBroker)
{
orderedProtocolHeads.Add(container.Resolve <MqttBrokerProtocolHead>());
orderedProtocolHeads.Add(await container.Resolve <Task <AuthAgentProtocolHead> >());
}
switch (orderedProtocolHeads.Count)
{
case 0:
break;
case 1:
protocolHeads.Add(orderedProtocolHeads.First());
break;
default:
protocolHeads.Add(new OrderedProtocolHead(orderedProtocolHeads));
break;
}
return(new EdgeHubProtocolHead(protocolHeads, logger));
}
static async Task <EdgeHubProtocolHead> GetEdgeHubProtocolHeadAsync(ILogger logger, IConfigurationRoot configuration, IContainer container, Hosting hosting)
{
var protocolHeads = new List <IProtocolHead>();
if (configuration.GetValue("mqttSettings:enabled", true))
{
protocolHeads.Add(await container.Resolve <Task <MqttProtocolHead> >());
}
if (configuration.GetValue("amqpSettings:enabled", true))
{
protocolHeads.Add(await container.Resolve <Task <AmqpProtocolHead> >());
}
if (configuration.GetValue("httpSettings:enabled", true))
{
protocolHeads.Add(new HttpProtocolHead(hosting.WebHost));
}
var orderedProtocolHeads = new List <IProtocolHead>();
if (configuration.GetValue("mqttBrokerSettings:enabled", true))
{
orderedProtocolHeads.Add(container.Resolve <MqttBrokerProtocolHead>());
}
if (configuration.GetValue("authAgentSettings:enabled", true))
{
orderedProtocolHeads.Add(await container.Resolve <Task <AuthAgentProtocolHead> >());
}
switch (orderedProtocolHeads.Count)
{
case 0:
break;
case 1:
protocolHeads.Add(orderedProtocolHeads.First());
break;
default:
protocolHeads.Add(new OrderedProtocolHead(orderedProtocolHeads));
break;
}
return(new EdgeHubProtocolHead(protocolHeads, logger));
}
