public void TryInitializeService(string id, ServiceConfiguration configuration)
{
if (!configuration.IsEnabled)
{
_logger.Log(LogLevel.Information, $"Service '{id}' not initialized because it is disabled.");
return;
}
try
{
var repositoryEntityUid = new RepositoryEntityUid {
Id = id, Version = configuration.Version
};
var serviceInstance = new ServiceInstance(_repositoryService, _pythonEngineService, _loggerFactory);
serviceInstance.Initialize(repositoryEntityUid);
if (configuration.Variables != null)
{
foreach (var variable in configuration.Variables)
{
serviceInstance.SetVariable(variable.Key, variable.Value);
}
}
_logger.Log(LogLevel.Information, "Initializing service '{0}'.", id);
serviceInstance.ExecuteFunction("initialize");
lock (_serviceInstances)
{
if (_serviceInstances.TryGetValue(id, out var existingServiceInstance))
{
_logger.Log(LogLevel.Information, "Stopping service '{0}'.", id);
existingServiceInstance.ExecuteFunction("stop");
}
_serviceInstances[id] = serviceInstance;
_logger.Log(LogLevel.Information, "Starting service '{0}'.", id);
serviceInstance.ExecuteFunction("start");
}
_logger.Log(LogLevel.Information, $"Service '{id}' started.");
}
catch (Exception exception)
{
_logger.Log(LogLevel.Error, exception, $"Error while initializing service '{id}'.");
}
}
private ServiceInstance CreateServiceInstance(string id, ServiceConfiguration configuration)
{
var repositoryEntityUid = new RepositoryEntityUid(id, configuration.Version);
var repositoryEntitySource = _repositoryService.LoadEntity(repositoryEntityUid);
var scriptHost = _pythonScriptHostFactoryService.CreateScriptHost(_logger);
scriptHost.Initialize(repositoryEntitySource.Script);
var serviceInstance = new ServiceInstance(id, configuration, scriptHost);
if (configuration.Variables != null)
{
foreach (var variable in configuration.Variables)
{
serviceInstance.SetVariable(variable.Key, variable.Value);
}
}
return(serviceInstance);
}
private ServiceInstance CreateServiceInstance(string id, ServiceConfiguration configuration)
{
var packageUid = new PackageUid(id, configuration.Version);
var package = _repositoryService.LoadPackage(packageUid);
var scriptHost = _pythonScriptHostFactoryService.CreateScriptHost(_logger);
scriptHost.Compile(package.Script);
var serviceInstance = new ServiceInstance(id, configuration, scriptHost);
if (configuration.Variables != null)
{
foreach (var variable in configuration.Variables)
{
serviceInstance.SetVariable(variable.Key, variable.Value);
}
}
return(serviceInstance);
}
