public async void SendHeartBeatAsync_InvokesServer_ReturnsStatusCodeAndHeaders()
{
var startup = new TestConfigServerStartup("", 200);
var server = TestServer.Create(startup.Configure);
var uri = "http://localhost:8888/";
server.BaseAddress = new Uri(uri);
EurekaInstanceConfig config = new EurekaInstanceConfig()
{
AppName = "foo",
InstanceId = "id1"
};
InstanceInfo info = InstanceInfo.FromInstanceConfig(config);
var cconfig = new EurekaClientConfig()
{
EurekaServerServiceUrls = uri
};
var client = new EurekaHttpClient(cconfig, server.CreateClient());
EurekaHttpResponse <InstanceInfo> resp = await client.SendHeartBeatAsync("foo", "id1", info, InstanceStatus.UNKNOWN);
Assert.NotNull(resp);
Assert.Equal(HttpStatusCode.OK, resp.StatusCode);
Assert.NotNull(resp.Headers);
Assert.Equal("PUT", startup.LastRequest.Method);
Assert.Equal("localhost:8888", startup.LastRequest.Host.Value);
Assert.Equal("/apps/FOO/id1", startup.LastRequest.Path.Value);
var time = DateTimeConversions.ToJavaMillis(new DateTime(info.LastDirtyTimestamp, DateTimeKind.Utc));
Assert.Equal("?status=STARTING&lastDirtyTimestamp=" + time, startup.LastRequest.QueryString.Value);
}
public async void StatusUpdateAsync_InvokesServer_ReturnsStatusCodeAndHeaders()
{
var startup = new TestConfigServerStartup("", 200);
var server = TestServer.Create(startup.Configure);
var uri = "http://localhost:8888/";
server.BaseAddress = new Uri(uri);
var cconfig = new EurekaClientConfig()
{
EurekaServerServiceUrls = uri
};
var client = new EurekaHttpClient(cconfig, server.CreateClient());
var now = DateTime.UtcNow.Ticks;
var javaTime = DateTimeConversions.ToJavaMillis(new DateTime(now, DateTimeKind.Utc));
EurekaHttpResponse resp = await client.StatusUpdateAsync("foo", "bar", InstanceStatus.DOWN, new InstanceInfo()
{
LastDirtyTimestamp = now
});
Assert.NotNull(resp);
Assert.Equal(HttpStatusCode.OK, resp.StatusCode);
Assert.NotNull(resp.Headers);
Assert.Equal("PUT", startup.LastRequest.Method);
Assert.Equal("localhost:8888", startup.LastRequest.Host.Value);
Assert.Equal("/apps/foo/bar/status", startup.LastRequest.Path.Value);
Assert.Equal("?value=DOWN&lastDirtyTimestamp=" + javaTime, startup.LastRequest.QueryString.Value);
}
private static AgentServiceCheck CreateCheck(ConsulDiscoveryOptions options, HeartbeatOptions heartbeatOptions)
{
if (!options.RegisterHealthCheck)
{
return(null);
}
TimeSpan?deregisterCriticalServiceAfter = null;
TimeSpan?timeout = null;
if (!string.IsNullOrWhiteSpace(options.HealthCheckTimeout))
{
timeout = DateTimeConversions.ToTimeSpan(options.HealthCheckTimeout);
}
if (!string.IsNullOrWhiteSpace(options.HealthCheckCriticalTimeout))
{
deregisterCriticalServiceAfter = DateTimeConversions.ToTimeSpan(options.HealthCheckCriticalTimeout);
}
var check = new AgentServiceCheck
{
Timeout = timeout,
DeregisterCriticalServiceAfter = deregisterCriticalServiceAfter
};
if (heartbeatOptions.Enable)
{
return(SetHeartbeat(check, heartbeatOptions) ? check : null);
}
return(SetHttpCheck(check, options) ? check : null);
}
private static void AddConsulServices(IServiceCollection services, IDiscoveryLifecycle lifecycle)
{
services.AddSingleton(s =>
{
var consulOptions = s.GetRequiredService <IOptions <ConsulOptions> >().Value;
return(new ConsulClient(options =>
{
options.Address = new Uri($"{consulOptions.Scheme}://{consulOptions.Host}:{consulOptions.Port}");
options.Datacenter = consulOptions.Datacenter;
options.Token = consulOptions.Token;
if (!string.IsNullOrWhiteSpace(consulOptions.WaitTime))
{
options.WaitTime = DateTimeConversions.ToTimeSpan(consulOptions.WaitTime);
}
}));
});
services.AddSingleton <TtlScheduler>();
services.AddSingleton <ConsulDiscoveryClient>();
services.AddSingleton <ConsulServiceRegistry>();
if (lifecycle == null)
{
services.AddSingleton <IDiscoveryLifecycle, ApplicationLifecycle>();
}
else
{
services.AddSingleton(lifecycle);
}
services.AddSingleton <IDiscoveryClient>(p => p.GetService <ConsulDiscoveryClient>());
}
/// <summary>
/// Create a Consul client using the provided configuration options
/// </summary>
/// <param name="options">the configuration options</param>
/// <returns>a Consul client</returns>
public static IConsulClient CreateClient(ConsulOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
var client = new ConsulClient(s =>
{
s.Address = new Uri($"{options.Scheme}://{options.Host}:{options.Port}");
s.Token = options.Token;
s.Datacenter = options.Datacenter;
if (!string.IsNullOrEmpty(options.WaitTime))
{
s.WaitTime = DateTimeConversions.ToTimeSpan(options.WaitTime);
}
if (!string.IsNullOrEmpty(options.Password) || !string.IsNullOrEmpty(options.Username))
{
#pragma warning disable CS0618 // Type or member is obsolete
s.HttpAuth = new NetworkCredential(options.Username, options.Password);
#pragma warning restore CS0618 // Type or member is obsolete
}
});
return(client);
}
internal JsonInstanceInfo ToJsonInstance()
{
JsonInstanceInfo jinfo = new JsonInstanceInfo();
jinfo.InstanceId = this.InstanceId;
jinfo.Sid = (this.Sid == null) ? "na" : this.Sid;
jinfo.AppName = this.AppName;
jinfo.AppGroupName = this.AppGroupName;
jinfo.IpAddr = this.IpAddr;
jinfo.Port = new JsonInstanceInfo.JsonPortWrapper(this.IsUnsecurePortEnabled, this.Port);
jinfo.SecurePort = new JsonInstanceInfo.JsonPortWrapper(this.IsSecurePortEnabled, this.SecurePort);
jinfo.HomePageUrl = this.HomePageUrl;
jinfo.StatusPageUrl = this.StatusPageUrl;
jinfo.HealthCheckUrl = this.HealthCheckUrl;
jinfo.SecureHealthCheckUrl = this.SecureHealthCheckUrl;
jinfo.VipAddress = this.VipAddress;
jinfo.SecureVipAddress = this.SecureVipAddress;
jinfo.CountryId = this.CountryId;
jinfo.DataCenterInfo = (this.DataCenterInfo == null) ? null : ((AppInfo.DataCenterInfo)DataCenterInfo).ToJson();
jinfo.HostName = this.HostName;
jinfo.Status = this.Status;
jinfo.OverriddenStatus = this.OverriddenStatus;
jinfo.LeaseInfo = (this.LeaseInfo == null) ? null : this.LeaseInfo.ToJson();
jinfo.IsCoordinatingDiscoveryServer = this.IsCoordinatingDiscoveryServer;
jinfo.LastUpdatedTimestamp = DateTimeConversions.ToJavaMillis(new DateTime(this.LastUpdatedTimestamp, DateTimeKind.Utc));
jinfo.LastDirtyTimestamp = DateTimeConversions.ToJavaMillis(new DateTime(this.LastDirtyTimestamp, DateTimeKind.Utc));
jinfo.Actiontype = this.Actiontype;
jinfo.AsgName = this.AsgName;
jinfo.Metadata = (this.Metadata.Count == 0) ? new Dictionary <string, string>()
{
{ "@class", "java.util.Collections$EmptyMap" }
} : this.Metadata;
return(jinfo);
}
public async System.Threading.Tasks.Task StatusUpdateAsync_InvokesServer_ReturnsStatusCodeAndHeaders()
{
var envir = HostingHelpers.GetHostingEnvironment();
TestConfigServerStartup.Response = string.Empty;
TestConfigServerStartup.ReturnStatus = 200;
var builder = new WebHostBuilder().UseStartup <TestConfigServerStartup>().UseEnvironment(envir.EnvironmentName);
var server = new TestServer(builder);
var uri = "http://localhost:8888/";
server.BaseAddress = new Uri(uri);
var cconfig = new EurekaClientConfig()
{
EurekaServerServiceUrls = uri
};
var client = new EurekaHttpClient(cconfig, server.CreateClient());
var now = DateTime.UtcNow.Ticks;
var javaTime = DateTimeConversions.ToJavaMillis(new DateTime(now, DateTimeKind.Utc));
var resp = await client.StatusUpdateAsync("foo", "bar", InstanceStatus.DOWN, new InstanceInfo()
{
LastDirtyTimestamp = now
});
Assert.NotNull(resp);
Assert.Equal(HttpStatusCode.OK, resp.StatusCode);
Assert.NotNull(resp.Headers);
Assert.Equal("PUT", TestConfigServerStartup.LastRequest.Method);
Assert.Equal("localhost:8888", TestConfigServerStartup.LastRequest.Host.Value);
Assert.Equal("/apps/foo/bar/status", TestConfigServerStartup.LastRequest.Path.Value);
Assert.Equal("?value=DOWN&lastDirtyTimestamp=" + javaTime, TestConfigServerStartup.LastRequest.QueryString.Value);
Assert.Equal("http://localhost:8888/", client._serviceUrl);
}
public virtual async Task <EurekaHttpResponse> StatusUpdateAsync(string appName, string id, InstanceStatus newStatus, InstanceInfo info)
{
if (string.IsNullOrEmpty(appName))
{
throw new ArgumentException(nameof(appName));
}
if (string.IsNullOrEmpty(id))
{
throw new ArgumentException(nameof(id));
}
if (info == null)
{
throw new ArgumentNullException(nameof(info));
}
var queryArgs = new Dictionary <string, string>()
{
{ "value", newStatus.ToString() },
{ "lastDirtyTimestamp", DateTimeConversions.ToJavaMillis(new DateTime(info.LastDirtyTimestamp, DateTimeKind.Utc)).ToString() }
};
HttpClient client = GetHttpClient(_config);
var requestUri = GetRequestUri(_serviceUrl + "apps/" + appName + "/" + id + "/status", queryArgs);
var request = GetRequestMessage(HttpMethod.Put, requestUri);
#if NET452
// If certificate validation is disabled, inject a callback to handle properly
RemoteCertificateValidationCallback prevValidator = null;
if (!_config.ValidateCertificates)
{
prevValidator = ServicePointManager.ServerCertificateValidationCallback;
ServicePointManager.ServerCertificateValidationCallback = (sender, cert, chain, sslPolicyErrors) => true;
}
#endif
try
{
using (HttpResponseMessage response = await client.SendAsync(request))
{
_logger?.LogDebug("StatusUpdateAsync {0}, status: {1}", requestUri.ToString(), response.StatusCode);
EurekaHttpResponse resp = new EurekaHttpResponse(response.StatusCode);
resp.Headers = response.Headers;
return(resp);
}
}
catch (Exception e)
{
_logger?.LogError("StatusUpdateAsync Exception: {0}", e);
throw;
}
finally
{
DisposeHttpClient(client);
#if NET452
ServicePointManager.ServerCertificateValidationCallback = prevValidator;
#endif
}
}
public async void DeleteStatusOverrideAsync_InvokesServer_ReturnsStatusCodeAndHeaders()
{
IHostingEnvironment envir = new HostingEnvironment();
TestConfigServerStartup.Response = "";
TestConfigServerStartup.ReturnStatus = 200;
var builder = new WebHostBuilder().UseStartup <TestConfigServerStartup>().UseEnvironment(envir.EnvironmentName);
var server = new TestServer(builder);
var uri = "http://localhost:8888/";
server.BaseAddress = new Uri(uri);
var cconfig = new EurekaClientConfig()
{
EurekaServerServiceUrls = uri
};
var client = new EurekaHttpClient(cconfig, server.CreateClient());
var now = DateTime.UtcNow.Ticks;
var javaTime = DateTimeConversions.ToJavaMillis(new DateTime(now, DateTimeKind.Utc));
EurekaHttpResponse resp = await client.DeleteStatusOverrideAsync("foo", "bar", new InstanceInfo()
{
LastDirtyTimestamp = now
});
Assert.NotNull(resp);
Assert.Equal(HttpStatusCode.OK, resp.StatusCode);
Assert.NotNull(resp.Headers);
Assert.Equal("DELETE", TestConfigServerStartup.LastRequest.Method);
Assert.Equal("localhost:8888", TestConfigServerStartup.LastRequest.Host.Value);
Assert.Equal("/apps/foo/bar/status", TestConfigServerStartup.LastRequest.Path.Value);
Assert.Equal("?lastDirtyTimestamp=" + javaTime, TestConfigServerStartup.LastRequest.QueryString.Value);
}
public void ToJavaMillis_Throws_IfNotUTC()
{
DateTime dt = new DateTime(2016, 3, 14, 16, 42, 21, DateTimeKind.Local).AddMilliseconds(708);
var ex = Assert.Throws <ArgumentException>(() => DateTimeConversions.ToJavaMillis(dt));
Assert.Contains("Kind != UTC", ex.Message);
}
public void ToJavaMillis()
{
DateTime dt = new DateTime(2016, 3, 14, 16, 42, 21, DateTimeKind.Utc).AddMilliseconds(708);
long millis = DateTimeConversions.ToJavaMillis(dt);
Assert.Equal(1457973741708, millis);
}
// "/eureka/apps/{appName}/{instanceID}/status?value={status}&lastDirtyTimestamp=1568746948343"
public ActionResult <string> ChangeInstanceStatus([FromRoute] string appName, [FromRoute] string instanceID, [FromQuery] string value, [FromQuery] long lastDirtyTimestamp, [FromServices] IPublishChangesService publishService, [FromServices] IMemoryDiscoveryClientRepository clientRepo, [FromServices] IPublishClientsService clientPublishService)
{
var tenantId = this.GetTenantIdFromRouteData();
var clientHostname = Request.HttpContext.Connection.RemoteIpAddress.ToString();
clientRepo.Add(new DiscoveryClient(clientHostname));
clientPublishService.PublishClientDiscoveryActivity(tenantId, clientHostname);
MemoryServicesRepository repo = new MemoryServicesRepository(tenantId, Program.InstanceConfig.EvictionInSecs);
if (lastDirtyTimestamp == 0)
{
lastDirtyTimestamp = DateTimeConversions.ToJavaMillis(DateTime.UtcNow);
}
var instance = repo.ChangeStatus(appName, instanceID, value, lastDirtyTimestamp);
if (instance != null)
{
publishService.PublishInstanceStatusChange(instance.TenantId, appName, instanceID, value, lastDirtyTimestamp);
this.HttpContext.Response.StatusCode = 200;
}
else
{
this.HttpContext.Response.StatusCode = 500;
}
return(string.Empty);
}
public void ToJson_Correct()
{
JsonLeaseInfo jinfo = new JsonLeaseInfo()
{
RenewalIntervalInSecs = 100,
DurationInSecs = 200,
RegistrationTimestamp = 1457973741708,
LastRenewalTimestamp = 1457973741708,
LastRenewalTimestampLegacy = 1457973741708,
EvictionTimestamp = 1457973741708,
ServiceUpTimestamp = 1457973741708
};
LeaseInfo result = LeaseInfo.FromJson(jinfo);
jinfo = result.ToJson();
Assert.Equal(100, result.RenewalIntervalInSecs);
Assert.Equal(200, result.DurationInSecs);
Assert.Equal(1457973741708, DateTimeConversions.ToJavaMillis(new DateTime(result.RegistrationTimestamp, DateTimeKind.Utc)));
Assert.Equal(1457973741708, DateTimeConversions.ToJavaMillis(new DateTime(result.LastRenewalTimestamp, DateTimeKind.Utc)));
Assert.Equal(1457973741708, DateTimeConversions.ToJavaMillis(new DateTime(result.LastRenewalTimestampLegacy, DateTimeKind.Utc)));
Assert.Equal(1457973741708, DateTimeConversions.ToJavaMillis(new DateTime(result.EvictionTimestamp, DateTimeKind.Utc)));
Assert.Equal(1457973741708, DateTimeConversions.ToJavaMillis(new DateTime(result.ServiceUpTimestamp, DateTimeKind.Utc)));
}
public virtual async Task <EurekaHttpResponse> DeleteStatusOverrideAsync(string appName, string id, InstanceInfo info)
{
if (string.IsNullOrEmpty(appName))
{
throw new ArgumentException(nameof(appName));
}
if (string.IsNullOrEmpty(id))
{
throw new ArgumentException(nameof(id));
}
if (info == null)
{
throw new ArgumentNullException(nameof(info));
}
var queryArgs = new Dictionary <string, string>()
{
{ "lastDirtyTimestamp", DateTimeConversions.ToJavaMillis(new DateTime(info.LastDirtyTimestamp, DateTimeKind.Utc)).ToString() }
};
HttpClient client = GetHttpClient(_config);
var requestUri = GetRequestUri(_serviceUrl + "apps/" + appName + "/" + id + "/status", queryArgs);
var request = GetRequestMessage(HttpMethod.Delete, requestUri);
#if NET452
// If certificate validation is disabled, inject a callback to handle properly
RemoteCertificateValidationCallback prevValidator = null;
SecurityProtocolType prevProtocols = (SecurityProtocolType)0;
ConfigureCertificateValidatation(out prevProtocols, out prevValidator);
#endif
try
{
using (HttpResponseMessage response = await client.SendAsync(request))
{
_logger?.LogDebug("DeleteStatusOverrideAsync {0}, status: {1}", requestUri.ToString(), response.StatusCode);
EurekaHttpResponse resp = new EurekaHttpResponse(response.StatusCode);
resp.Headers = response.Headers;
return(resp);
}
}
catch (Exception e)
{
_logger?.LogError("DeleteStatusOverrideAsync Exception: {0}", e);
throw;
}
finally
{
DisposeHttpClient(client);
#if NET452
RestoreCertificateValidation(prevProtocols, prevValidator);
#endif
}
}
public void ToTimeSpan_ReturnsExpected()
{
Assert.Throws <ArgumentNullException>(() => DateTimeConversions.ToTimeSpan(string.Empty));
Assert.Throws <InvalidOperationException>(() => DateTimeConversions.ToTimeSpan("foobar"));
Assert.Equal(TimeSpan.FromMilliseconds(1000), DateTimeConversions.ToTimeSpan("1000ms"));
Assert.Equal(TimeSpan.FromSeconds(1000), DateTimeConversions.ToTimeSpan("1000s"));
Assert.Equal(TimeSpan.FromHours(1), DateTimeConversions.ToTimeSpan("1h"));
Assert.Equal(TimeSpan.FromMinutes(1), DateTimeConversions.ToTimeSpan("1m"));
Assert.Equal(TimeSpan.FromMilliseconds(1000), DateTimeConversions.ToTimeSpan("1000Ms"));
Assert.Equal(TimeSpan.FromSeconds(1000), DateTimeConversions.ToTimeSpan("1000S"));
Assert.Equal(TimeSpan.FromHours(1), DateTimeConversions.ToTimeSpan("1H"));
Assert.Equal(TimeSpan.FromMinutes(1), DateTimeConversions.ToTimeSpan("1M"));
}
public void FromJavaMillis()
{
long millis = 1457973741708;
DateTime dt = DateTimeConversions.FromJavaMillis(millis);
Assert.Equal(3, dt.Month);
Assert.Equal(14, dt.Day);
Assert.Equal(2016, dt.Year);
Assert.Equal(16, dt.Hour);
Assert.Equal(42, dt.Minute);
Assert.Equal(21, dt.Second);
Assert.Equal(708, dt.Millisecond);
}
// "/eureka/apps/{appName}/{instanceID}?status=UP&lastDirtyTimestamp=1568804226113"
public ActionResult <string> ReceiveInstanceHeartbeat([FromRoute] string appName, [FromRoute] string instanceID, [FromQuery] long lastDirtyTimestamp, [FromServices] IPublishChangesService publishService, [FromServices] IMemoryDiscoveryClientRepository clientRepo, [FromServices] IPublishClientsService clientPublishService)
{
var tenantId = this.GetTenantIdFromRouteData();
var clientHostname = Request.HttpContext.Connection.RemoteIpAddress.ToString();
clientRepo.Add(new DiscoveryClient(clientHostname));
clientPublishService.PublishClientDiscoveryActivity(tenantId, clientHostname);
MemoryServicesRepository repo = new MemoryServicesRepository(this.GetTenantIdFromRouteData(), Program.InstanceConfig.EvictionInSecs);
var status = string.Empty;
if (lastDirtyTimestamp == 0)
{
lastDirtyTimestamp = DateTimeConversions.ToJavaMillis(DateTime.UtcNow);
}
if (Request.QueryString.Value.ToString().IndexOf("status") >= 0)
{
// status change request
var queryDictionary = Microsoft.AspNetCore.WebUtilities.QueryHelpers.ParseQuery(Request.QueryString.Value.ToString());
var items = queryDictionary.SelectMany(x => x.Value, (col, value) => new KeyValuePair <string, string>(col.Key, value)).ToList();
var statusItem = items.SingleOrDefault(q => q.Key.CompareTo("status") == 0);
if (statusItem.Key != null)
{
status = statusItem.Value;
}
var dirtyItem = items.SingleOrDefault(q => q.Key.CompareTo("lastDirtyTimestamp") == 0);
if (dirtyItem.Key != null)
{
lastDirtyTimestamp = Convert.ToInt64(dirtyItem.Value);
}
}
var instance = repo.SaveInstanceHearbeat(appName, instanceID, status, lastDirtyTimestamp);
if (instance != null)
{
publishService.PublishAddedOrUpdatedInstance(instance, "UPDATE_INSTANCE");
this.HttpContext.Response.StatusCode = 200;
}
else
{
this.HttpContext.Response.StatusCode = 404;
}
return(string.Empty);
}
internal TimeSpan ComputeHearbeatInterval()
{
var second = TimeSpan.FromSeconds(1);
var ttl = DateTimeConversions.ToTimeSpan(TtlValue, TtlUnit);
// heartbeat rate at ratio * ttl, but no later than ttl -1s and, (under lesser priority),
// no sooner than 1s from now
var interval = ttl * IntervalRatio;
var max = interval > second ? interval : second;
var ttlMinus1sec = ttl - second;
var min = ttlMinus1sec < max ? ttlMinus1sec : max;
return(min);
}
public async Task <EurekaHttpResponse> StatusUpdateAsync(string appName, string id, InstanceStatus newStatus, InstanceInfo info)
{
if (string.IsNullOrEmpty(appName))
{
throw new ArgumentException(nameof(appName));
}
if (string.IsNullOrEmpty(id))
{
throw new ArgumentException(nameof(id));
}
if (info == null)
{
throw new ArgumentNullException(nameof(info));
}
var queryArgs = new Dictionary <string, string>()
{
{ "value", newStatus.ToString() },
{ "lastDirtyTimestamp", DateTimeConversions.ToJavaMillis(new DateTime(info.LastDirtyTimestamp, DateTimeKind.Utc)).ToString() }
};
HttpClient client = GetHttpClient(_config);
var requestUri = GetRequestUri(_serviceUrl + "apps/" + Uri.EscapeDataString(appName) + "/" + Uri.EscapeDataString(id) + "/status", queryArgs);
var request = GetRequestMessage(HttpMethod.Put, requestUri);
try
{
using (HttpResponseMessage response = await client.SendAsync(request))
{
Trace.TraceInformation("StatusUpdateAsync {0}, status: {1}", requestUri.ToString(), response.StatusCode);
EurekaHttpResponse resp = new EurekaHttpResponse(response.StatusCode)
{
Headers = response.Headers
};
return(resp);
}
}
catch (Exception e)
{
Trace.TraceError("StatusUpdateAsync Exception: {0}", e);
throw;
}
finally
{
DisposeHttpClient(client);
}
}
public JsonLeaseInfo ToJson()
{
JsonLeaseInfo jinfo = new JsonLeaseInfo()
{
RenewalIntervalInSecs = this.RenewalIntervalInSecs,
DurationInSecs = this.DurationInSecs,
RegistrationTimestamp = DateTimeConversions.ToJavaMillis(new DateTime(this.RegistrationTimestamp, DateTimeKind.Utc)),
LastRenewalTimestamp = DateTimeConversions.ToJavaMillis(new DateTime(this.LastRenewalTimestamp, DateTimeKind.Utc)),
LastRenewalTimestampLegacy = DateTimeConversions.ToJavaMillis(new DateTime(this.LastRenewalTimestampLegacy, DateTimeKind.Utc)),
EvictionTimestamp = DateTimeConversions.ToJavaMillis(new DateTime(this.EvictionTimestamp, DateTimeKind.Utc)),
ServiceUpTimestamp = DateTimeConversions.ToJavaMillis(new DateTime(this.ServiceUpTimestamp, DateTimeKind.Utc))
};
return(jinfo);
}
internal JsonLeaseInfo ToJson()
{
var jinfo = new JsonLeaseInfo()
{
RenewalIntervalInSecs = RenewalIntervalInSecs,
DurationInSecs = DurationInSecs,
RegistrationTimestamp = DateTimeConversions.ToJavaMillis(new DateTime(RegistrationTimestamp, DateTimeKind.Utc)),
LastRenewalTimestamp = DateTimeConversions.ToJavaMillis(new DateTime(LastRenewalTimestamp, DateTimeKind.Utc)),
LastRenewalTimestampLegacy = DateTimeConversions.ToJavaMillis(new DateTime(LastRenewalTimestampLegacy, DateTimeKind.Utc)),
EvictionTimestamp = DateTimeConversions.ToJavaMillis(new DateTime(EvictionTimestamp, DateTimeKind.Utc)),
ServiceUpTimestamp = DateTimeConversions.ToJavaMillis(new DateTime(ServiceUpTimestamp, DateTimeKind.Utc))
};
return(jinfo);
}
private static void OnTimedEvent(Object source, ElapsedEventArgs e)
{
//Console.WriteLine("Eviction Service cleans at {0:HH:mm:ss.fff}", e.SignalTime);
// evict outdated peers
var peersEvicted = _memoryDiscoveryPeerRepository.EvictPeers(Program.InstanceConfig.PeerEvictionInSecs);
//Console.WriteLine("Peers evicted {0}", peersEvicted);
// evict outdated instances for all tenants
lock (ServicesRuntime.AllApplications.Applications)
{
foreach (var app in ServicesRuntime.AllApplications.Applications)
{
List <Instance> instancesToRemove = new List <Instance>();
foreach (var instance in app.Instances)
{
var instanceLastUpdate = DateTimeConversions.FromJavaMillis(instance.LastUpdatedTimestamp);
// if no heartbeat first take down instance
if (instanceLastUpdate.AddSeconds(Program.InstanceConfig.EvictionInSecs) < DateTime.UtcNow)
{
ServicesRuntime.AllApplications.VersionsDelta += 1;
instance.Status = "DOWN";
}
// if no heartbeat after the DOWN Duration then avict the instance
if (instanceLastUpdate.AddSeconds(Program.InstanceConfig.EvictionInSecs + Program.InstanceConfig.DurationInSecs) < DateTime.UtcNow)
{
instancesToRemove.Add(instance);
}
}
if (instancesToRemove.Count > 0)
{
foreach (var inst in instancesToRemove)
{
app.Instances.Remove(inst);
}
// increase version after eviction
ServicesRuntime.AllApplications.VersionsDelta += 1;
}
//Console.WriteLine("For app '{0}' instances evicted {1}", app.Name, instancesToRemove.Count);
}
}
}
public Instance Add(Instance instance)
{
var appId = instance.AppName;
var appFound = ServicesRuntime.AllApplications.Applications.SingleOrDefault(a => a.TenantId.CompareTo(repoTenantId) == 0 && a.Name.CompareTo(appId) == 0);
if (appFound == null)
{
appFound = new Application()
{
TenantId = repoTenantId,
Name = appId,
Instances = new List <Instance>()
};
ServicesRuntime.AllApplications.Applications.Add(appFound);
}
instance.TenantId = repoTenantId;
instance.Status = "STARTING";
instance.ActionType = "ADDED";
if (string.IsNullOrEmpty(instance.InstanceId))
{
instance.InstanceId = instance.HostName;
}
instance.LastDirtyTimestamp = instance.LastUpdatedTimestamp = DateTimeConversions.ToJavaMillis(DateTime.UtcNow);
instance.LeaseInfo.RegistrationTimestamp = DateTimeConversions.ToJavaMillis(DateTime.UtcNow);
instance.LeaseInfo.LastRenewalTimestamp = instance.LeaseInfo.RegistrationTimestamp;
instance.LeaseInfo.EvictionTimestamp = instance.LeaseInfo.LastRenewalTimestamp + this._evictionInSeconds * DateTimeConversions.TicksPerSecond;
instance.LeaseInfo.ServiceUpTimestamp = DateTimeConversions.ToJavaMillis(DateTime.UtcNow);
var existingInstance = appFound.Instances.SingleOrDefault(i => i.TenantId.CompareTo(repoTenantId) == 0 && i.InstanceId.CompareTo(instance.InstanceId) == 0);
if (existingInstance != null)
{
Delete(existingInstance.AppName, existingInstance.InstanceId);
}
appFound.Instances.Add(instance);
IncreaseVersion();
return(instance);
}
internal static LeaseInfo FromJson(JsonLeaseInfo jinfo)
{
LeaseInfo info = new LeaseInfo();
if (jinfo != null)
{
info.RenewalIntervalInSecs = jinfo.RenewalIntervalInSecs;
info.DurationInSecs = jinfo.DurationInSecs;
info.RegistrationTimestamp = DateTimeConversions.FromJavaMillis(jinfo.RegistrationTimestamp).Ticks;
info.LastRenewalTimestamp = DateTimeConversions.FromJavaMillis(jinfo.LastRenewalTimestamp).Ticks;
info.LastRenewalTimestampLegacy = DateTimeConversions.FromJavaMillis(jinfo.LastRenewalTimestampLegacy).Ticks;
info.EvictionTimestamp = DateTimeConversions.FromJavaMillis(jinfo.EvictionTimestamp).Ticks;
info.ServiceUpTimestamp = DateTimeConversions.FromJavaMillis(jinfo.ServiceUpTimestamp).Ticks;
}
return(info);
}
private static bool SetHeartbeat(AgentServiceCheck check, HeartbeatOptions heartbeatOptions)
{
if (!heartbeatOptions.Enable || heartbeatOptions.TtlValue <= 0 || string.IsNullOrEmpty(heartbeatOptions.TtlUnit))
{
return(false);
}
check.Interval = null;
check.HTTP = null;
TimeSpan?ttl = DateTimeConversions.ToTimeSpan(heartbeatOptions.TtlValue + heartbeatOptions.TtlUnit);
check.TTL = ttl;
return(true);
}
internal static AgentServiceCheck CreateCheck(int port, ConsulDiscoveryOptions options)
{
AgentServiceCheck check = new AgentServiceCheck();
if (options.IsHeartBeatEnabled)
{
check.TTL = DateTimeConversions.ToTimeSpan(options.Heartbeat.Ttl);
return(check);
}
if (port <= 0)
{
throw new ArgumentException("CreateCheck port must be greater than 0");
}
if (!string.IsNullOrEmpty(options.HealthCheckUrl))
{
check.HTTP = options.HealthCheckUrl;
}
else
{
var uri = new Uri($"{options.Scheme}://{options.HostName}:{port}{options.HealthCheckPath}");
check.HTTP = uri.ToString();
}
// check.setHeader(properties.getHealthCheckHeaders());
if (!string.IsNullOrEmpty(options.HealthCheckInterval))
{
check.Interval = DateTimeConversions.ToTimeSpan(options.HealthCheckInterval);
}
if (!string.IsNullOrEmpty(options.HealthCheckTimeout))
{
check.Timeout = DateTimeConversions.ToTimeSpan(options.HealthCheckTimeout);
}
if (!string.IsNullOrEmpty(options.HealthCheckCriticalTimeout))
{
check.DeregisterCriticalServiceAfter = DateTimeConversions.ToTimeSpan(options.HealthCheckCriticalTimeout);
}
check.TLSSkipVerify = options.HealthCheckTlsSkipVerify;
return(check);
}
public Instance SaveInstanceHearbeat(string appName, string instanceId, string status, long lastDirtyTimestamp)
{
var app = ServicesRuntime.AllApplications.Applications.SingleOrDefault(a => a.TenantId.CompareTo(repoTenantId) == 0 && a.Name.CompareTo(appName) == 0);
int idx = -1;
if (app != null)
{
for (var i = 0; i < app.Instances.Count; i++)
{
if (app.Instances[i].TenantId.CompareTo(repoTenantId) == 0 && app.Instances[i].InstanceId.CompareTo(instanceId) == 0)
{
idx = i;
app.Instances[i].ActionType = "MODIFIED";
app.Instances[i].Status = status;
app.Instances[i].LastDirtyTimestamp = lastDirtyTimestamp;
app.Instances[i].LastUpdatedTimestamp = DateTimeConversions.ToJavaMillis(DateTime.UtcNow);
app.Instances[i].LeaseInfo.LastRenewalTimestamp = DateTimeConversions.ToJavaMillis(DateTime.UtcNow);
app.Instances[i].LeaseInfo.EvictionTimestamp = app.Instances[i].LeaseInfo.LastRenewalTimestamp + this._evictionInSeconds * DateTimeConversions.TicksPerSecond;
if (status.CompareTo("UP") == 0)
{
app.Instances[i].LeaseInfo.ServiceUpTimestamp = DateTimeConversions.ToJavaMillis(DateTime.UtcNow);
}
break;
}
}
if (idx >= 0)
{
IncreaseVersion();
return(app.Instances[idx]);
}
}
return(null);
}
public void CreateCheck_ReturnsExpected()
{
ConsulDiscoveryOptions options = new ConsulDiscoveryOptions();
var result = ConsulRegistration.CreateCheck(1234, options);
Assert.NotNull(result);
Assert.Equal(DateTimeConversions.ToTimeSpan(options.Heartbeat.Ttl), result.TTL);
Assert.Equal(DateTimeConversions.ToTimeSpan(options.HealthCheckCriticalTimeout), result.DeregisterCriticalServiceAfter);
options.Heartbeat = null;
Assert.Throws <ArgumentException>(() => ConsulRegistration.CreateCheck(0, options));
int port = 1234;
result = ConsulRegistration.CreateCheck(port, options);
var uri = new Uri($"{options.Scheme}://{options.HostName}:{port}{options.HealthCheckPath}");
Assert.Equal(uri.ToString(), result.HTTP);
Assert.Equal(DateTimeConversions.ToTimeSpan(options.HealthCheckInterval), result.Interval);
Assert.Equal(DateTimeConversions.ToTimeSpan(options.HealthCheckTimeout), result.Timeout);
Assert.Equal(DateTimeConversions.ToTimeSpan(options.HealthCheckCriticalTimeout), result.DeregisterCriticalServiceAfter);
Assert.Equal(options.HealthCheckTlsSkipVerify, result.TLSSkipVerify);
}
public async System.Threading.Tasks.Task SendHeartBeatAsync_InvokesServer_ReturnsStatusCodeAndHeaders()
{
var envir = HostingHelpers.GetHostingEnvironment();
TestConfigServerStartup.Response = string.Empty;
TestConfigServerStartup.ReturnStatus = 200;
var builder = new WebHostBuilder().UseStartup <TestConfigServerStartup>().UseEnvironment(envir.EnvironmentName);
var server = new TestServer(builder);
var uri = "http://localhost:8888/";
server.BaseAddress = new Uri(uri);
var config = new EurekaInstanceConfig()
{
AppName = "foo",
InstanceId = "id1"
};
var info = InstanceInfo.FromInstanceConfig(config);
var cconfig = new EurekaClientConfig()
{
EurekaServerServiceUrls = uri
};
var client = new EurekaHttpClient(cconfig, server.CreateClient());
var resp = await client.SendHeartBeatAsync("foo", "id1", info, InstanceStatus.UNKNOWN);
Assert.NotNull(resp);
Assert.Equal(HttpStatusCode.OK, resp.StatusCode);
Assert.NotNull(resp.Headers);
Assert.Equal("PUT", TestConfigServerStartup.LastRequest.Method);
Assert.Equal("localhost:8888", TestConfigServerStartup.LastRequest.Host.Value);
Assert.Equal("/apps/FOO/id1", TestConfigServerStartup.LastRequest.Path.Value);
var time = DateTimeConversions.ToJavaMillis(new DateTime(info.LastDirtyTimestamp, DateTimeKind.Utc));
Assert.Equal("?status=STARTING&lastDirtyTimestamp=" + time, TestConfigServerStartup.LastRequest.QueryString.Value);
}
internal static InstanceInfo FromJsonInstance(JsonInstanceInfo json)
{
var info = new InstanceInfo();
if (json != null)
{
info._sid = json.Sid ?? "na";
info.AppName = json.AppName;
info.AppGroupName = json.AppGroupName;
info.IpAddr = json.IpAddr;
info.Port = (json.Port == null) ? 0 : json.Port.Port;
info.IsUnsecurePortEnabled = json.Port != null && json.Port.Enabled;
info.SecurePort = (json.SecurePort == null) ? 0 : json.SecurePort.Port;
info.IsSecurePortEnabled = json.SecurePort != null && json.SecurePort.Enabled;
info.HomePageUrl = json.HomePageUrl;
info.StatusPageUrl = json.StatusPageUrl;
info.HealthCheckUrl = json.HealthCheckUrl;
info.SecureHealthCheckUrl = json.SecureHealthCheckUrl;
info.VipAddress = json.VipAddress;
info.SecureVipAddress = json.SecureVipAddress;
info.CountryId = json.CountryId;
info.DataCenterInfo = (json.DataCenterInfo == null) ? null : AppInfo.DataCenterInfo.FromJson(json.DataCenterInfo);
info.HostName = json.HostName;
info.Status = json.Status;
info.OverriddenStatus = json.OverriddenStatus;
info.LeaseInfo = LeaseInfo.FromJson(json.LeaseInfo);
info.IsCoordinatingDiscoveryServer = json.IsCoordinatingDiscoveryServer;
info.LastUpdatedTimestamp = DateTimeConversions.FromJavaMillis(json.LastUpdatedTimestamp).Ticks;
info.LastDirtyTimestamp = DateTimeConversions.FromJavaMillis(json.LastDirtyTimestamp).Ticks;
info.Actiontype = json.Actiontype;
info.AsgName = json.AsgName;
info._metaData = GetMetaDataFromJson(json.Metadata);
info.InstanceId = GetInstanceIdFromJson(json, info._metaData);
}
return(info);
}
