public static void Main(string[] args)
{
StartGCTimer();
var SINGLE_TENANT_ID = CloudFoundryEnvironmentUtil.GetTenantIdFromEnv();
var SINGLE_TENANT_TYPE = CloudFoundryEnvironmentUtil.GetTenantTypeFromEnv();
Program.INSTANCE_GUID = CloudFoundryEnvironmentUtil.GetInstanceGuidFromEnv();
Program.INSTANCE_IP = CloudFoundryEnvironmentUtil.GetInstanceIpFromEnv();
Program.INSTANCE_PORT = CloudFoundryEnvironmentUtil.GetInstancePortFromEnv();
Program.cloudFoundryVcapApplication = CloudFoundryEnvironmentUtil.GetApplicationFromEnv();
Program.cloudFoundryVcapServices = CloudFoundryEnvironmentUtil.GetServicesFromEnv();
Program.InstanceConfig = ConfigurationHelper.Load(cloudFoundryVcapApplication, Program.INSTANCE_GUID);
if (Program.InstanceConfig != null && Program.cloudFoundryVcapApplication != null && Program.cloudFoundryVcapApplication.ApplicationUrls.Count > 0)
{
Program.InstanceConfig.Urls = Program.cloudFoundryVcapApplication.ApplicationUrls[0];
}
if (!string.IsNullOrEmpty(SINGLE_TENANT_ID) && !string.IsNullOrEmpty(SINGLE_TENANT_TYPE))
{
Tenant singleTenant = new Tenant()
{
TenantId = SINGLE_TENANT_ID
};
Tenants.Add(singleTenant);
}
CreateWebHostBuilder(args).Build().Run();
}
private void StartupConfigurationLoadFromEnvironment(IApplicationBuilder app)
{
// instantiate the MQTTService singleton instance
Program.serviceProvider = app.ApplicationServices;
Program.persistencyService = Program.serviceProvider.GetService <IPersistencyService>();
// get mongo db configuration from VCAP_SERVICES
#region get_mongodb_configuration
Program.mongoDbSettings = Program.serviceProvider.GetService <IMongoDBSettings>();
if (Program.cloudFoundryVcapServices != null && Program.cloudFoundryVcapServices.MongoDBs.Count > 0)
{
// get mongo db configuration from CF environment VCAP_SERVICES
var mongoService = Program.cloudFoundryVcapServices.MongoDBs.FirstOrDefault();
Program.mongoDbSettings.MongoDbUrl = mongoService.Credentials.URI;
Program.mongoDbSettings.User = mongoService.Credentials.Username;
Program.mongoDbSettings.Password = mongoService.Credentials.Password;
Program.mongoDbSettings.HostName = mongoService.InstanceName;
Program.mongoDbSettings.Port = Convert.ToInt32(mongoService.Credentials.Port);
Program.mongoDbSettings.DbName = mongoService.Credentials.DbName;
}
else
{
// default devel mongo settings
Program.mongoDbSettings.MongoDbUrl = "mongodb://*****:*****@ds235711.mlab.com:35711/nservicediscovery";
Program.mongoDbSettings.User = "******";
Program.mongoDbSettings.Password = "******";
Program.mongoDbSettings.HostName = "ds235711.mlab.com";
Program.mongoDbSettings.Port = 35711;
Program.mongoDbSettings.DbName = "nservicediscovery";
}
#endregion
// get mqtt configuration from VCAP_SERVICES
#region get_mqtt_configuration
Program.mqttSettings = Program.serviceProvider.GetService <IMQTTSettings>();
var topicTemplate = CloudFoundryEnvironmentUtil.GetMQTTTopicTemplateFromEnv();
if (!string.IsNullOrEmpty(topicTemplate))
{
Program.mqttSettings.TopicTemplate = topicTemplate;
}
else
{
Program.mqttSettings.TopicTemplate = DefaultConfigurationData.DefaultMQTTTopicTemplate;
}
var interval = CloudFoundryEnvironmentUtil.GetMQTTReconnectIntervalInSecondsFromEnv();
if (interval > 0)
{
Program.mqttSettings.ReconnectSeconds = interval;
}
else
{
Program.mqttSettings.ReconnectSeconds = DefaultConfigurationData.DefaultMQTTReconnectSeconds;
}
if (Program.cloudFoundryVcapServices != null && Program.cloudFoundryVcapServices.MQTTBrokers.Count > 0)
{
var mqttService = Program.cloudFoundryVcapServices.MQTTBrokers.FirstOrDefault();
Program.mqttSettings.Host = mqttService.Credentials.URI;
Program.mqttSettings.User = mqttService.Credentials.Username;
Program.mqttSettings.Password = mqttService.Credentials.Password;
Program.mqttSettings.Port = Convert.ToInt32(mqttService.Credentials.Port);
}
else
{
Program.mqttSettings.Host = DefaultConfigurationData.DefaultMQTTHost;
Program.mqttSettings.User = DefaultConfigurationData.DefaultMQTTUsername;
Program.mqttSettings.Password = DefaultConfigurationData.DefaultMQTTPassword;
Program.mqttSettings.Port = DefaultConfigurationData.DefaultMQTTPort;
}
#endregion
// load tenants from persistency
#region single_tenant_or_not
var SINGLE_TENANT_ID = CloudFoundryEnvironmentUtil.GetTenantIdFromEnv();
var SINGLE_TENANT_TYPE = CloudFoundryEnvironmentUtil.GetTenantTypeFromEnv();
if (string.IsNullOrEmpty(SINGLE_TENANT_ID) && string.IsNullOrEmpty(SINGLE_TENANT_TYPE))
{
var tenantsRepo = Program.serviceProvider.GetService <IMemoryTenantsRepository>();
var persistencyTenantsRepo = Program.serviceProvider.GetService <IPersistencyTenantRepository>();
var persistencyTenants = persistencyTenantsRepo.LoadPersistedTenants();
foreach (var t in persistencyTenants)
{
tenantsRepo.Add(new NServiceDiscovery.Entity.Tenant()
{
TenantId = t.TenantId,
TenantToken = t.TenantToken
});
}
Program.Tenants = tenantsRepo.GetAll();
}
#endregion
// start persistency sync timer with random interval
var random = new Random();
Program.persistencyService.SetPersistencyTimerInterval(random.Next(Program.InstanceConfig.PersistencySyncMinRandomSeconds, Program.InstanceConfig.PersistencySyncMaxRandomSeconds));
Program.mqttService = Program.serviceProvider.GetService <IMQTTService>();
Program.evictionService = Program.serviceProvider.GetService <IEvictionService>();
}