public ushort StartContainerProcess(ComputeConfigurationItem config)
{
ushort port = this.GetNextPort(config.MinPort, config);
var newContainerProcess = this.StartNewContainerProcess(port, config);
return(newContainerProcess.Port);
}
private ushort GetNextPort(ushort prevPort, ComputeConfigurationItem config)
{
ushort?currPort = this.FindAvailablePortInClosedInterval((ushort)(prevPort + 1), config.MaxPort);
return(currPort
?? this.FindAvailablePortInClosedInterval(config.MinPort, (ushort)(prevPort - 1))
?? throw new Exception($"Could not find available ports in range [{config.MinPort}, {config.MaxPort}]"));
}
/// <summary>
/// Starts number of containers as defined in config file
/// </summary>
public void StartContainerProcesses(ComputeConfigurationItem config)
{
ushort currPort = this.GetNextPort(prevPort: config.MinPort, config);
for (int i = 0; i < config.NumberOfContainersToStart; ++i)
{
var newProcess = this.StartNewContainerProcess(currPort, config);
currPort = this.GetNextPort(prevPort: newProcess.Port, config);
}
}
private static void Stop(ComputeConfigurationItem configItem)
{
var closeServerTask = Task.Run(() => roleEnvironmentHost.Close());
var closeComputeManagementTask = Task.Run(() => computeManagementHost.Close());
packageWatcher.Stop();
containerHealthMonitor.Stop();
processManager.StopAllProcesses();
new PackageController().DeletePackage(configItem.PackageTempFullFolderPath);
closeServerTask.GetAwaiter().GetResult();
closeComputeManagementTask.GetAwaiter().GetResult();
}
/// <summary>
/// Starts up new container process with given port as it's argument
/// </summary>
/// <returns>New container process</returns>
/// <exception cref="InvalidOperationException"></exception>
/// <exception cref="System.IO.FileNotFoundException"></exception>
/// <exception cref="ObjectDisposedException"></exception>
/// <exception cref="System.ComponentModel.Win32Exception"></exception>
private ContainerProcess StartNewContainerProcess(ushort port, ComputeConfigurationItem config)
{
if (!this.IsPortAvailable(port))
{
throw new InvalidOperationException($"port={port} is already taken by another process!");
}
var newProcess = Process.Start(fileName: config.ContainerFullFilePath, arguments: $"{port}");
this.containerProcessDictByPort[port] = new ContainerProcess(newProcess, port);
Debug.WriteLine($"{typeof(ProcessManager).Name}: added container[{port}] ({DateTime.Now})");
return(this.containerProcessDictByPort[port]);
}
public void ResetAllProcesses(ComputeConfigurationItem config)
{
this.StopAllProcesses();
this.StartContainerProcesses(config);
}