public HerculesCluster Deploy()
{
Directory.CreateDirectory(baseDirectory);
var downloader = new HerculesDownloader(baseDirectory, log);
herculesBinariesPaths = downloader.GetLatestBinaries(ComponentNames.Values.ToArray());
HerculesLoggerAppender.AppendLogger(downloader.GetLogger(), herculesBinariesPaths.Values, log);
var cluster = new HerculesCluster();
try
{
cluster.ZooKeeperEnsemble = ZooKeeperEnsemble.DeployNew(new ZooKeeperEnsembleSettings {
BaseDirectory = baseDirectory
}, log);
cluster.KafkaInstance = KafkaInstance.DeployNew(new KafkaSettings {
BaseDirectory = baseDirectory, ZooKeeperConnectionString = cluster.ZooKeeperEnsemble.ConnectionString
}, log);
DeployHercules(cluster);
return(cluster);
}
catch (Exception error)
{
log.Error(error, "Error in deploy. Will try to cleanup.");
cluster.Dispose();
throw;
}
}
private void DeployHercules(HerculesCluster cluster)
{
var clusterSettings = new HerculesClusterSettings
{
ZooKeeperConnectionString = cluster.ZooKeeperEnsemble.ConnectionString,
KafkaConnectionString = cluster.KafkaInstance.ConnectionString
};
InitializeHercules(clusterSettings);
ApiKeyInitializer.AddApiKey(ApiKeys.ApiKey, clusterSettings.ZooKeeperConnectionString, log);
AddServices(
cluster,
deploySettings.HerculesGateCount,
id => new HerculesGate(GetHerculesComponentSettings <HerculesGate>(id), clusterSettings, log));
AddServices(
cluster,
deploySettings.HerculesManagementApiCount,
id => new HerculesManagementApi(GetHerculesComponentSettings <HerculesManagementApi>(id), clusterSettings, ApiKeys.AdminApiKey, log));
AddServices(
cluster,
deploySettings.HerculesStreamApiCount,
id => new HerculesStreamApi(GetHerculesComponentSettings <HerculesStreamApi>(id), clusterSettings, log));
AddServices(
cluster,
deploySettings.HerculesStreamManagerCount,
id => new HerculesStreamManager(GetHerculesComponentSettings <HerculesStreamManager>(id), clusterSettings, log));
DeployServices(cluster.HerculesServices);
}
public static void Cleanup(HerculesCluster cluster)
{
foreach (var service in cluster.HerculesServices)
{
TryDeleteDirectory(service.BaseDirectory);
}
}
public static HerculesCluster DeployNew(HerculesDeploySettings deploySettings, ILog log, bool started = true)
{
HerculesCluster cluster = null;
Retrier.RetryOnException(() =>
{
cluster = new HerculesDeployer(deploySettings, log).Deploy();
if (started)
{
cluster.Start();
}
},
3,
"Unable to start Hercules.Local",
() =>
{
log.Warn("Retrying Hercules.Local deployment...");
cluster?.Dispose();
});
return(cluster);
}
private static void AddServices(HerculesCluster cluster, int count, Func <int, HerculesService> constructor)
{
cluster.HerculesServices.AddRange(CreateServices(count, constructor));
}