internal HealthStatus AddHeartbeatStatus(IEurekaClientConfig clientConfig, IEurekaInstanceConfig instanceConfig, HealthCheckResult result, long lastGoodHeartbeatTimeTicks)
{
if (clientConfig != null && clientConfig.ShouldRegisterWithEureka)
{
var lastGoodHeartbeatPeriod = GetLastGoodHeartbeatTimePeriod(lastGoodHeartbeatTimeTicks);
if (lastGoodHeartbeatPeriod <= 0)
{
result.Details.Add("heartbeat", "Not yet successfully connected");
result.Details.Add("heartbeatStatus", HealthStatus.UNKNOWN.ToString());
result.Details.Add("heartbeatTime", "UNKNOWN");
return(HealthStatus.UNKNOWN);
}
else if (lastGoodHeartbeatPeriod > ((instanceConfig.LeaseRenewalIntervalInSeconds * TimeSpan.TicksPerSecond) * 2))
{
result.Details.Add("heartbeat", "Reporting failures connecting");
result.Details.Add("heartbeatStatus", HealthStatus.DOWN.ToString());
result.Details.Add("heartbeatTime", new DateTime(lastGoodHeartbeatTimeTicks).ToString("s"));
result.Details.Add("heartbeatFailures", lastGoodHeartbeatPeriod / (instanceConfig.LeaseRenewalIntervalInSeconds * TimeSpan.TicksPerSecond));
return(HealthStatus.DOWN);
}
result.Details.Add("heartbeat", "Successful");
result.Details.Add("heartbeatStatus", HealthStatus.UP.ToString());
result.Details.Add("heartbeatTime", new DateTime(lastGoodHeartbeatTimeTicks).ToString("s"));
return(HealthStatus.UP);
}
result.Details.Add("heartbeatStatus", "Not registering");
return(HealthStatus.UNKNOWN);
}
protected EurekaDiscoveryClientBase(EurekaClientOptions clientOptions, EurekaInstanceOptions instOptions, IEurekaHttpClient httpClient, IApplicationLifetime lifeCycle = null, ILoggerFactory logFactory = null)
{
if (clientOptions == null)
{
throw new ArgumentNullException(nameof(clientOptions));
}
ClientConfig = clientOptions;
InstConfig = instOptions;
if (InstConfig == null)
{
DiscoveryManager.Instance.Initialize(ClientConfig, httpClient, logFactory);
}
else
{
ConfigureInstanceIfNeeded(InstConfig);
DiscoveryManager.Instance.Initialize(ClientConfig, InstConfig, httpClient, logFactory);
}
if (lifeCycle != null)
{
lifeCycle.ApplicationStopping.Register(() => { ShutdownAsync(); });
}
Client = DiscoveryManager.Instance.Client;
}
public EurekaHttpClient(IOptionsMonitor <EurekaClientOptions> config, IEurekaDiscoveryClientHandlerProvider handlerProvider = null, ILoggerFactory logFactory = null)
{
_config = null;
_configOptions = config ?? throw new ArgumentNullException(nameof(config));
_handlerProvider = handlerProvider;
Initialize(new Dictionary <string, string>(), logFactory);
}
internal HealthStatus AddFetchStatus(IEurekaClientConfig clientConfig, HealthCheckResult result, long lastGoodFetchTimeTicks)
{
if (clientConfig != null && clientConfig.ShouldFetchRegistry)
{
var lastGoodFetchPeriod = GetLastGoodRegistryFetchTimePeriod(lastGoodFetchTimeTicks);
if (lastGoodFetchPeriod <= 0)
{
result.Details.Add("fetch", "Not yet successfully connected");
result.Details.Add("fetchStatus", HealthStatus.UNKNOWN.ToString());
result.Details.Add("fetchTime", "UNKNOWN");
return(HealthStatus.UNKNOWN);
}
else if (lastGoodFetchPeriod > ((clientConfig.RegistryFetchIntervalSeconds * TimeSpan.TicksPerSecond) * 2))
{
result.Details.Add("fetch", "Reporting failures connecting");
result.Details.Add("fetchStatus", HealthStatus.DOWN.ToString());
result.Details.Add("fetchTime", new DateTime(lastGoodFetchTimeTicks).ToString("s"));
result.Details.Add("fetchFailures", lastGoodFetchPeriod / (clientConfig.RegistryFetchIntervalSeconds * TimeSpan.TicksPerSecond));
return(HealthStatus.DOWN);
}
result.Details.Add("fetch", "Successful");
result.Details.Add("fetchStatus", HealthStatus.UP.ToString());
result.Details.Add("fetchTime", new DateTime(lastGoodFetchTimeTicks).ToString("s"));
return(HealthStatus.UP);
}
result.Details.Add("fetchStatus", "Not fetching");
return(HealthStatus.UNKNOWN);
}
protected virtual HttpClient GetHttpClient(IEurekaClientConfig config)
{
if (_client != null)
{
return(_client);
}
HttpClient client = null;
#if NET451
client = new HttpClient();
#else
if (config != null && !config.ValidateCertificates)
{
var handler = new HttpClientHandler();
handler.ServerCertificateCustomValidationCallback = (sender, cert, chain, sslPolicyErrors) => true;
client = new HttpClient(handler);
}
else
{
client = new HttpClient();
}
#endif
if (config != null)
{
client.Timeout = new TimeSpan(0, 0, config.EurekaServerConnectTimeoutSeconds);
}
return(client);
}
protected virtual HttpClient GetHttpClient(IEurekaClientConfig config)
{
if (_client != null)
{
return(_client);
}
HttpClient client = null;
#if NET451
client = new HttpClient();
#else
// TODO: For coreclr, disabling certificate validation only works on windows platform
// https://github.com/dotnet/corefx/issues/4476
if (config != null && !config.ValidateCertificates)
{
var handler = new WinHttpHandler();
handler.ServerCertificateValidationCallback = (sender, cert, chain, sslPolicyErrors) => true;
return(new HttpClient(handler));
}
else
{
client = new HttpClient();
}
#endif
if (config != null)
{
client.Timeout = new TimeSpan(0, 0, config.EurekaServerConnectTimeoutSeconds);
}
return(client);
}
private HttpClient GetHttpClient(IEurekaClientConfig config)
{
if (_client != null)
{
return(_client);
}
return(new HttpClient());
}
public LookupClient(IEurekaClientConfig clientConfig, IEurekaHttpClient httpClient = null, ILoggerFactory logFactory = null)
: base(clientConfig, httpClient, logFactory)
{
if (_cacheRefreshTimer != null)
{
_cacheRefreshTimer.Dispose();
_cacheRefreshTimer = null;
}
}
public void Initialize(IEurekaClientConfig clientConfig, IEurekaHttpClient httpClient, ILoggerFactory logFactory = null)
{
if (clientConfig == null)
{
throw new ArgumentNullException(nameof(clientConfig));
}
_logger = logFactory?.CreateLogger<DiscoveryManager>();
ClientConfig = clientConfig;
Client = new DiscoveryClient(clientConfig, httpClient, logFactory);
}
public virtual void Initialize(IEurekaClientConfig clientConfig, IEurekaInstanceConfig instanceConfig, IEurekaHttpClient httpClient, ILoggerFactory logFactory = null)
{
_logger = logFactory?.CreateLogger <DiscoveryManager>();
ClientConfig = clientConfig ?? throw new ArgumentNullException(nameof(clientConfig));
InstanceConfig = instanceConfig ?? throw new ArgumentNullException(nameof(instanceConfig));
if (ApplicationInfoManager.Instance.InstanceInfo == null)
{
ApplicationInfoManager.Instance.Initialize(instanceConfig, logFactory);
}
Client = new DiscoveryClient(clientConfig, httpClient, logFactory);
}
internal IList <string> GetMonitoredApplications(IEurekaClientConfig clientConfig)
{
IList <string> configApps = GetApplicationsFromConfig(clientConfig);
if (configApps != null)
{
return(configApps);
}
var regApps = _discoveryClient.Applications.GetRegisteredApplications();
return(regApps.Select((app) => app.Name).ToList());
}
public DiscoveryClient(IEurekaClientConfig clientConfig, IEurekaHttpClient httpClient = null, ILoggerFactory logFactory = null)
: this(ApplicationInfoManager.Instance, logFactory)
{
_config = clientConfig ?? throw new ArgumentNullException(nameof(clientConfig));
_httpClient = httpClient;
if (_httpClient == null)
{
_httpClient = new EurekaHttpClient(clientConfig, logFactory);
}
Initialize();
}
public EurekaHttpClient(IEurekaClientConfig config, IDictionary <string, string> headers, ILoggerFactory logFactory = null)
{
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
if (headers == null)
{
throw new ArgumentNullException(nameof(headers));
}
_logger = logFactory?.CreateLogger <EurekaHttpClient>();
_config = config;
_serviceUrl = MakeServiceUrl(config.EurekaServerServiceUrls);
_headers = headers;
}
public DiscoveryClient(IEurekaClientConfig clientConfig, IEurekaHttpClient httpClient = null, ILoggerFactory logFactory = null)
{
if (clientConfig == null)
{
throw new ArgumentNullException(nameof(clientConfig));
}
_logger = logFactory?.CreateLogger <DiscoveryClient>();
ClientConfig = clientConfig;
_localRegionApps = new Applications();
_localRegionApps.ReturnUpInstancesOnly = ClientConfig.ShouldFilterOnlyUpInstances;
_httpClient = httpClient;
if (_httpClient == null)
{
_httpClient = new EurekaHttpClient(clientConfig, logFactory);
}
if (!ClientConfig.ShouldRegisterWithEureka && !ClientConfig.ShouldFetchRegistry)
{
return;
}
if (ClientConfig.ShouldRegisterWithEureka)
{
var result = RegisterAsync();
result.Wait();
var intervalInMilli = ApplicationInfoManager.Instance.InstanceInfo.LeaseInfo.RenewalIntervalInSecs * 1000;
_heartBeatTimer = StartTimer("HeartBeat", intervalInMilli, this.HeartBeatTaskAsync);
if (ClientConfig.ShouldOnDemandUpdateStatusChange)
{
ApplicationInfoManager.Instance.StatusChangedEvent += Instance_StatusChangedEvent;
}
}
if (ClientConfig.ShouldFetchRegistry)
{
var result = FetchRegistryAsync(true);
result.Wait();
var intervalInMilli = ClientConfig.RegistryFetchIntervalSeconds * 1000;
_cacheRefreshTimer = StartTimer("Query", intervalInMilli, this.CacheRefreshTaskAsync);
}
}
internal IList <string> GetApplicationsFromConfig(IEurekaClientConfig clientConfig)
{
if (clientConfig is EurekaClientConfig config)
{
var monitoredApps = config.HealthMonitoredApps?.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
if (monitoredApps != null && monitoredApps.Length > 0)
{
List <string> results = new List <string>();
foreach (var str in monitoredApps)
{
results.Add(str.Trim());
}
return(results);
}
}
return(null);
}
public EurekaHttpClient(IEurekaClientConfig config, HttpClient client, ILoggerFactory logFactory = null)
: this(config, new Dictionary <string, string>(), logFactory) => _client = client;
public EurekaHttpClient(IEurekaClientConfig config, ILoggerFactory logFactory = null) : base(config, logFactory)
{
}
public EurekaHttpClient(IEurekaClientConfig config, IDictionary <string, string> headers = null)
{
_config = config ?? throw new ArgumentNullException(nameof(config));
_headers = headers;
_serviceUrl = MakeServiceUrl(_config.EurekaServerServiceUrls);
}
public virtual void Initialize(IEurekaClientConfig clientConfig, IEurekaInstanceConfig instanceConfig, ILoggerFactory logFactory = null)
{
Initialize(clientConfig, instanceConfig, null, logFactory);
}
public virtual void Initialize(IEurekaClientConfig clientConfig, ILoggerFactory logFactory = null)
{
Initialize(clientConfig, (IEurekaHttpClient)null, logFactory);
}