public void Check()
{
StatusReportList = new List <Report>();
var clusters = _setting.General.Kafka.Clusters;
var connectionTimeoutSec = _setting.General.Kafka.ConnectionTimeoutSec;
var topicNameFromSettings = _setting.General.Kafka.TopicName;
var certificateLocation = _setting.General.Kafka.SslCertificateLocation;
var certificateSubject = _setting.General.Kafka.SslCertificateSubject;
var date = DateTime.Now.ToString("dd.MM.yyyy.HH.m");
if (File.Exists(certificateLocation))
{
// delete an old certificate
File.Delete(certificateLocation);
}
var counter = 0;
foreach (var cluster in clusters)
{
counter++;
string topicName;
var kafkaStatus = ReportStatus.Undefined;
var mongoDbStatus = ReportStatus.Undefined;
var statusReport = new Report();
statusReport.Number = counter;
statusReport.EnvName = cluster.Name;
_logger.Info($" [{counter}] from [{clusters.Count}]. " +
$"Work with the '{cluster.Name}' cluster");
// Check Mongo
_logger.Info($"Checking Mongo DB:");
var mongoDbHelper = new MongoDbHelper();
var mongoDbConnectionStr = cluster.MongoDb;
mongoDbStatus = mongoDbHelper.Ping(mongoDbConnectionStr, connectionTimeoutSec);
// Check Kafka
_logger.Info("Checking Kafka:");
var bootStrapServers = string.Join(",", cluster.BootstrapServers);
_logger.Info($" bootstrap servers: {bootStrapServers}");
var clientConfig = new ClientConfig
{
BootstrapServers = bootStrapServers,
SocketTimeoutMs = connectionTimeoutSec * 1000,
};
topicName = $"{topicNameFromSettings}.{date}";
if (cluster.SslEnabled)
{
_logger.Info("SSL connection is enabled for this cluster");
if (!File.Exists(certificateLocation))
{
try
{
var certificate = CertificateHelper.GetCertificate(certificateSubject);
CertificateHelper.ExportToPEMFile(certificate, certificateLocation);
}
catch (CertificateException ce)
{
_logger.Error(ce.Message);
kafkaStatus = ReportStatus.CertificateError;
_logger.Warn($" Kafka status - [{kafkaStatus}]");
WriteClusterStatus(cluster, statusReport, mongoDbStatus, kafkaStatus);
StatusReportList.Add(statusReport);
continue;
}
}
clientConfig.SslCaLocation = certificateLocation;
clientConfig.SecurityProtocol = SecurityProtocol.Ssl;
clientConfig.Debug = "security";
topicName = $"{topicNameFromSettings}.ssl.{date}";
}
var bootstrapServersCount = cluster.BootstrapServers.Count;
var topicHelper = new TopicHelper();
var producerConsumer = new ProducerConsumer();
var connectionIsOk = topicHelper
.CheckConnectivity(clientConfig,
bootstrapServersCount);
if (connectionIsOk)
{
var topicWasCreated = topicHelper
.CreateTopic(clientConfig, bootstrapServersCount, topicName);
if (topicWasCreated)
{
_logger.Info(string.Empty);
var producedMessageCount = producerConsumer.Produce(clientConfig, topicName);
var consumedMessageCount = producerConsumer.Consume(clientConfig, topicName);
if (producedMessageCount == consumedMessageCount)
{
_logger.Info($" * Produced messages == consumed messages: '{consumedMessageCount}' - [ok]");
kafkaStatus = ReportStatus.Ok;
}
else
{
_logger.Error($" * Produced messages != consumed messages: '{consumedMessageCount}' - [error]");
kafkaStatus = ReportStatus.Error;
}
}
}
else
{
kafkaStatus = ReportStatus.Error;
}
_logger.Info($" Kafka status - [{kafkaStatus}]");
WriteClusterStatus(cluster, statusReport, mongoDbStatus, kafkaStatus);
StatusReportList.Add(statusReport);
_logger.Info(string.Empty);
}
new HtmlReportHelper().PopulateTemplate(StatusReportList);
}
