private async Task RunHeartbeatChecker(bool sendResponse = false, int maxNonResponsiveCounter = 1)
{
var peers = new List <Peer> {
_testPeer
};
var peerSettings = _testPeer.PeerId.ToSubstitutedPeerSettings();
var peerChallenger = new PeerChallengeRequest(
Substitute.For <ILogger>(),
_peerClient,
peerSettings,
PeerChallengeTimeoutSeconds);
if (sendResponse)
{
peerChallenger.ChallengeResponseMessageStreamer.OnNext(new PeerChallengeResponse(_testPeer.PeerId));
}
_peerRepository.GetAll().Returns(peers);
_peerHeartbeatChecker = new PeerHeartbeatChecker(
Substitute.For <ILogger>(),
_peerRepository,
peerChallenger,
PeerHeartbeatCheckSeconds,
maxNonResponsiveCounter);
_peerHeartbeatChecker.Run();
await Task.Delay(TimeSpan.FromSeconds(PeerHeartbeatCheckSeconds * (maxNonResponsiveCounter + 1))
.Add(TimeSpan.FromSeconds(1))).ConfigureAwait(false);
}
public HealthController(IOptions <List <string> > urls, IHealthChecker healthChecker, IHealthJob healthJob, IHttpClientFactory client)
{
_urls = urls;
_healthChecker = healthChecker;
_healthJob = healthJob;
_client = client;
}
public HealthCheckOrchestratorFunction(
IHealthCheckDBClient dbClient,
IHealthChecker healthChecker)
{
DBClient = dbClient;
HealthChecker = healthChecker;
}
public HealthCheckController(ISettings settings, ISessions sessions,
IBodyTelemetryStorage telemetryStorage, IHealthChecker healthChecker) : base(settings,
sessions)
{
_telemetryStorage = telemetryStorage;
_healthChecker = healthChecker;
}
public ServiceFunction(
IHealthCheckDBClient dbClient,
IHealthChecker healthChecker)
{
DBClient = dbClient;
HealthChecker = healthChecker;
}
public HealthCheckMiddleware(
RequestDelegate next,
IHealthChecker healthChecker, HealthCheckOptions options)
{
_next = next;
_healthChecker = healthChecker ?? throw new ArgumentNullException(nameof(healthChecker));
_options = options;
}
public AutoHealthCheckMiddleware(
RequestDelegate next,
IHealthChecker healthChecker,
AutoHealthAppBuilderOptions appOptions)
{
_next = next;
_healthChecker = healthChecker;
_appOptions = appOptions;
}
public static void RegisterHealthCheck(this HttpConfiguration config, IHealthChecker healthChecker, string routeUrl = "healthcheck")
{
var defaults = new HttpRouteValueDictionary();
var constraint = new ExactMatchConstraint();
var constraints = new HttpRouteValueDictionary {
{ routeUrl, constraint }
};
config.Routes.MapHttpRoute("healthcheck", routeUrl, defaults, constraints, new HealthCheckMessageHandler(healthChecker));
}
public void ShouldTimeOutWhenHealthCheckTimeOutIsSpecified()
{
IHealthChecker healthChecker = GetHealthChecker(b => b.WithHealthChecks(() => new[] { new SlowRunningHealthCheck(5000) }).WithTimeout(TimeSpan.FromMilliseconds(500)));
var result = healthChecker.Check();
result.Status.ShouldBe(HealthCheckStatus.NotOkay);
result.Results.Length.ShouldBe(1);
((FailedIndividualHealthCheckResult)result.Results[0]).FailureReason.ShouldBe("Health check timed out.");
}
public EndpointHealthNotifier(IHealthMonitorClient client, ITimeCoordinator timeCoordinator, EndpointDefinition definition, IHealthChecker healthChecker)
{
_client = client;
_timeCoordinator = timeCoordinator;
_definition = definition;
_healthChecker = healthChecker;
_cancelationTokenSource = new CancellationTokenSource();
_healthCheckInterval = new CachedValue<TimeSpan>(HealthCheckIntervalCacheDuration, GetHealthCheckIntervalAsync);
_thread = new Thread(HealthLoop) { IsBackground = true, Name = "Health Check loop" };
_thread.Start();
}
public static void RegisterHealthCheck(this RouteCollection routes, IHealthChecker healthChecker, string routeUrl = "healthcheck")
{
var constraint = new ExactMatchConstraint();
var defaults = new RouteValueDictionary();
var constraints = new RouteValueDictionary {
{ routeUrl, constraint }
};
var route = new Route("healthcheck", defaults, constraints, new HealthCheckRouteHandler(healthChecker));
routes.Add(route);
}
public SynchronizerEngine
(
IWatchdogThread watchdogThread,
IControllerFactory controllerFactory,
IConfigurationReader configurationReader,
IHealthChecker healthChecker
)
: base(watchdogThread, controllerFactory)
{
_configurationReader = configurationReader;
_healthChecker = healthChecker;
}
public IHttpActionResult HealthCheck()
{
HealthCheckResponse response = new HealthCheckResponse();
HealthCheckerContainer container = TrendyolApp.Instance.DataStore.GetData <HealthCheckerContainer>(Constants.HealthCheckerContainerDataKey);
if (container == null || container.HealthCheckers.IsEmpty())
{
return(Ok(response));
}
IHealthCheckerActivator healthCheckerActivator = TrendyolApp.Instance.GetHealthCheckerActivator();
response.Results = new List <HealthCheckResult>();
foreach (HealthChecker checker in container.HealthCheckers)
{
IHealthChecker checkerInstance = healthCheckerActivator.CreateHealthCheckerInstance(checker.HealthCheckerType);
if (checkerInstance == null)
{
throw new ConfigurationErrorsException($"There was a problem while creating healthchecker instance for type:{checker.HealthCheckerType.FullName}. Check if your type implements IHealthChecker interface.");
}
HealthCheckResult result = new HealthCheckResult();
result.Key = checkerInstance.Key;
result.IsCtirical = checkerInstance.IsCritical;
try
{
result.Success = checkerInstance.CheckHealth();
}
catch (Exception ex)
{
Logger.Error(ex);
result.Message = ex.Message;
result.Success = false;
}
response.Results.Add(result);
}
HttpStatusCode statusCode = HttpStatusCode.OK;
if (response.Results.HasElements() && response.Results.Any(r => r.IsCtirical && r.Success == false))
{
statusCode = HttpStatusCode.InternalServerError;
}
return(Content(statusCode, response));
}
public PeerService(IUdpServerEventLoopGroupFactory udpServerEventLoopGroupFactory,
IUdpServerChannelFactory serverChannelFactory,
IPeerDiscovery peerDiscovery,
IEnumerable <IP2PMessageObserver> messageHandlers,
IPeerSettings peerSettings,
ILogger logger,
IHealthChecker healthChecker)
: base(serverChannelFactory, logger, udpServerEventLoopGroupFactory)
{
_messageHandlers = messageHandlers;
_peerSettings = peerSettings;
_healthChecker = healthChecker;
Discovery = peerDiscovery;
}
public EndpointHealthNotifier(IHealthMonitorClient client, ITimeCoordinator timeCoordinator, EndpointDefinition definition, IHealthChecker healthChecker)
{
_client = client;
_timeCoordinator = timeCoordinator;
_definition = definition;
_healthChecker = healthChecker;
_cancelationTokenSource = new CancellationTokenSource();
_healthCheckInterval = new CachedValue <TimeSpan>(HealthCheckIntervalCacheDuration, GetHealthCheckIntervalAsync);
_thread = new Thread(HealthLoop)
{
IsBackground = true, Name = "Health Check loop"
};
_thread.Start();
}
public HealthCheckMessageHandler(IHealthChecker healthChecker)
{
_healthChecker = healthChecker;
}
public HealthCheckHttpHandler(IHealthChecker healthChecker)
{
_healthChecker = healthChecker;
}
public NodeViewModel(IHealthChecker healthChecker, INetworkResolver networkResolver)
{
_healthChecker = healthChecker;
_networkResolver = networkResolver;
_healthChecker.OnPropertyChanged += (s, e) => OnPropertyChanged?.Invoke(s, e);
}
public HealthCheckMiddlewareTests()
{
_healthChecker = HealthCheckerTests.GetHealthChecker(b => b.WithHealthChecks(() => new[] { new ApplicationIsRunning() }));
_failingHealthChecker = HealthCheckerTests.GetHealthChecker(b => b.WithHealthChecks(() => new[] { new FailingHealthCheck() }));
}
public SynchronizerController(IHealthChecker healthChecker)
: base(healthChecker)
{
}
public HealthCheckMessageHandler(IHealthChecker healthChecker)
{
_healthChecker = healthChecker;
}
public void SetUp()
{
_healthMonitor = new Mock <IHealthMonitor>();
_logger = new Mock <ILogger <HealthChecker> >();
_healthChecker = new HealthChecker(_healthMonitor.Object, _logger.Object);
}
public HealthController(IOptions <List <string> > urls, IHealthChecker healthChecker)
{
_urls = urls;
_healthChecker = healthChecker;
}
public async Task <IActionResult> HealthCheck()
{
using (var scope = _scopeFactory.CreateScope())
{
HealthCheckResponse response = new HealthCheckResponse();
response.DockerImageName = Environment.GetEnvironmentVariable("Sillycore.DockerImageName");
if (SillycoreApp.Instance.DataStore.Get <bool>(Constants.IsShuttingDown))
{
response.AddErrorMessage("Shutting down...");
return(StatusCode(503, response));
}
HealthCheckerContainer container = SillycoreApp.Instance.DataStore.Get <HealthCheckerContainer>(Constants.HealthCheckerContainerDataKey);
if (container != null && container.HealthCheckers.HasElements())
{
response.Results = new List <HealthCheckResult>();
foreach (HealthChecker checker in container.HealthCheckers)
{
IHealthChecker checkerInstance = (IHealthChecker)scope.ServiceProvider.GetService(checker.HealthCheckerType);
if (checkerInstance == null)
{
throw new ApplicationException($"There was a problem while creating healthchecker instance for type:{checker.HealthCheckerType.FullName}. Check if your type implements IHealthChecker interface.");
}
HealthCheckResult result = new HealthCheckResult();
result.Key = checkerInstance.Key;
result.IsCtirical = checkerInstance.IsCritical;
try
{
result.Success = await checkerInstance.CheckHealth();
}
catch (Exception ex)
{
_logger.LogError(ex, $"There was a problem while running healthcheckher:{checker.HealthCheckerType.FullName}");
result.Message = ex.Message;
result.Success = false;
}
response.Results.Add(result);
}
}
HttpStatusCode statusCode = HttpStatusCode.OK;
if (response.Results.HasElements() && response.Results.Any(r => r.IsCtirical && r.Success == false))
{
statusCode = HttpStatusCode.InternalServerError;
}
if (_backgroundJobManager.IsActive)
{
response.BackgroundJobManager = _backgroundJobManager;
if (response.BackgroundJobManager.JobTimers.Any(t => t.Status == BackgroundJobStatus.Failing))
{
statusCode = HttpStatusCode.InternalServerError;
response.AddErrorMessage("At least one of background jobs is failing.");
}
}
return(StatusCode((int)statusCode, response));
}
}
public HealthCheckRouteHandler(IHealthChecker healthChecker)
{
_healthChecker = healthChecker;
}
/// <summary>
/// Initializes a new instance of the <see cref="HealthCheckController"/> class.
/// </summary>
/// <param name="healthChecker">The health checker.</param>
public HealthCheckController(IHealthChecker healthChecker)
{
this.healthChecker = healthChecker;
}
public NodeController(IHealthChecker healthChecker, IRestExecutor restExecutor)
: base(healthChecker)
{
_restExecutor = restExecutor;
}
public HealthCheckRouteHandler(IHealthChecker healthChecker)
{
_healthChecker = healthChecker;
}
public HealthMonitorPushClient WithHealthCheck(IHealthChecker healthChecker)
{
_healthChecker = healthChecker;
return(this);
}
public WebSocketConnector(IHealthChecker healthChecker)
{
this.healthChecker = healthChecker;
}
public HealthCheckNancyModule(IHealthChecker healthChecker)
{
_healthChecker = healthChecker;
Get[EndpointName] = _ => ExecuteHealthChecks();
}
public HealthMonitorPushClient WithHealthCheck(IHealthChecker healthChecker)
{
_healthChecker = healthChecker;
return this;
}
public CheckStatusUseCase(IHealthChecker healthChecker)
{
_HealthChecker = healthChecker;
}
public HealthCheckHttpHandler(IHealthChecker healthChecker)
{
_healthChecker = healthChecker;
}