/// <summary>
/// Starts the monitor mode.
/// </summary>
/// <param name="fsmonitor">The fs monitor.</param>
/// <param name="sshClient">The SSH client.</param>
/// <param name="sftpClient">The SFTP client.</param>
/// <param name="shellStream">The shell stream.</param>
/// <param name="verbOptions">The verb options.</param>
private static void StartMonitorMode(
FileSystemMonitor fsmonitor,
SshClient sshClient,
SftpClient sftpClient,
ShellStream shellStream,
MonitorVerbOptions verbOptions)
{
fsmonitor.FileSystemEntryChanged += (s, e) =>
{
// Detect changes to the monitor file by ignoring deletions and checking file paths.
if (e.ChangeType != FileSystemEntryChangeType.FileAdded &&
e.ChangeType != FileSystemEntryChangeType.FileModified)
{
return;
}
// If the change was not in the monitor file, then ignore it
if (e.Path.ToLowerInvariant().Equals(verbOptions.MonitorFile.ToLowerInvariant()) == false)
{
return;
}
// Create a new deployment once
CreateNewDeployment(sshClient, sftpClient, shellStream, verbOptions);
};
Terminal.WriteLine("File System Monitor is now running.");
Terminal.WriteLine("Writing a new monitor file will trigger a new deployment.");
Terminal.WriteLine("Press H for help!");
Terminal.WriteLine("Ground Control to Major Tom: Have a nice trip in space!.", ConsoleColor.DarkCyan);
}
/// <summary>
/// Executes the monitor verb. Using a legacy method.
/// </summary>
/// <param name="verbOptions">The verb options.</param>
/// <exception cref="DirectoryNotFoundException">Source Path ' + sourcePath + ' was not found.</exception>
internal static void ExecuteMonitorVerbLegacy(MonitorVerbOptions verbOptions)
{
// Initialize Variables
_isDeploying = false;
_deploymentNumber = 1;
// Normalize and show the options to the user so he knows what he's doing
NormalizeMonitorVerbOptions(verbOptions);
PrintMonitorOptions(verbOptions);
// Create the FS Monitor and connection info
var fsmonitor = new FileSystemMonitor(1, verbOptions.SourcePath);
var simpleConnectionInfo = new PasswordConnectionInfo(
verbOptions.Host,
verbOptions.Port,
verbOptions.Username,
verbOptions.Password);
// Validate source path exists
if (Directory.Exists(verbOptions.SourcePath) == false)
{
throw new DirectoryNotFoundException("Source Path '" + verbOptions.SourcePath + "' was not found.");
}
// Instantiate an SFTP client and an SSH client
// SFTP will be used to transfer the files and SSH to execute pre-deployment and post-deployment commands
using (var sftpClient = new SftpClient(simpleConnectionInfo))
{
// SSH will be used to execute commands and to get the output back from the program we are running
using (var sshClient = new SshClient(simpleConnectionInfo))
{
// Connect SSH and SFTP clients
EnsureMonitorConnection(sshClient, sftpClient, verbOptions);
// Create the shell stream so we can get debugging info from the post-deployment command
using (var shellStream = CreateShellStream(sshClient))
{
// Starts the FS Monitor and binds the event handler
StartMonitorMode(fsmonitor, sshClient, sftpClient, shellStream, verbOptions);
// Allows user interaction with the shell
StartUserInteraction(sshClient, sftpClient, shellStream, verbOptions);
// When we quit, we stop the monitor and disconnect the clients
StopMonitorMode(sftpClient, sshClient, fsmonitor);
}
}
}
}
private static void StopMonitorMode(SftpClient sftpClient, SshClient sshClient, FileSystemMonitor fsmonitor)
{
Terminal.WriteLine();
fsmonitor.Stop();
Terminal.WriteLine("File System monitor was stopped.");
if (sftpClient.IsConnected)
{
sftpClient.Disconnect();
}
Terminal.WriteLine("SFTP client disconnected.");
if (sshClient.IsConnected)
{
sshClient.Disconnect();
}
Terminal.WriteLine("SSH client disconnected.");
Terminal.WriteLine("Application will exit now.");
}
/// <summary>
/// Starts the user interaction.
/// </summary>
/// <param name="fsMonitor">The fs monitor.</param>
/// <param name="sshClient">The SSH client.</param>
/// <param name="sftpClient">The SFTP client.</param>
/// <param name="shellStream">The shell stream.</param>
/// <param name="verbOptions">The verb options.</param>
private static void StartUserInteraction(FileSystemMonitor fsMonitor, SshClient sshClient, SftpClient sftpClient, ShellStream shellStream, MonitorVerbOptions verbOptions)
{
ForwardShellStreamInput = false;
while (true)
{
var readKey = Console.ReadKey(true);
if (readKey.Key == ConsoleKey.F1)
{
ForwardShellStreamInput = !ForwardShellStreamInput;
if (ForwardShellStreamInput)
{
ConsoleManager.WriteLine(" >> Entered console input forwarding.", ConsoleColor.Green);
ForwardShellStreamOutput = true;
}
else
{
ConsoleManager.WriteLine(" >> Left console input forwarding.", ConsoleColor.Red);
}
continue;
}
if (ForwardShellStreamInput)
{
if (readKey.Key == ConsoleKey.Enter)
{
shellStream.WriteLine(string.Empty);
}
else
{
shellStream.WriteByte((byte)readKey.KeyChar);
}
shellStream.Flush();
continue;
}
if (readKey.Key == ConsoleKey.Q)
{
break;
}
if (readKey.Key == ConsoleKey.C)
{
ConsoleManager.Clear();
continue;
}
if (readKey.Key == ConsoleKey.N)
{
CreateNewDeployment(sshClient, sftpClient, shellStream, verbOptions);
continue;
}
if (readKey.Key == ConsoleKey.E)
{
RunSshClientCommand(sshClient, verbOptions);
continue;
}
if (readKey.Key == ConsoleKey.S)
{
RunShellStreamCommand(shellStream, verbOptions);
continue;
}
if (readKey.Key != ConsoleKey.H)
{
ConsoleManager.WriteLine("Unrecognized command '" + readKey.KeyChar + "' -- Press 'H' to get a list of available commands.", ConsoleColor.Red);
}
if (readKey.Key == ConsoleKey.H)
{
var helpColor = ConsoleColor.Cyan;
ConsoleManager.WriteLine("Console help", helpColor);
ConsoleManager.WriteLine(" H Prints this screen", helpColor);
ConsoleManager.WriteLine(" Q Quits this application", helpColor);
ConsoleManager.WriteLine(" C Clears the screen", helpColor);
ConsoleManager.WriteLine(" N Force a deployment cycle", helpColor);
ConsoleManager.WriteLine(" E Run the Pre-deployment command", helpColor);
ConsoleManager.WriteLine(" S Run the Post-deployment command", helpColor);
ConsoleManager.WriteLine(" F1 Toggle shell-interactive mode", helpColor);
ConsoleManager.WriteLine(string.Empty);
continue;
}
}
}
/// <summary>
/// Stops the monitor mode by closing SFTP and SSH connections, and stopping the File System Monitor.
/// </summary>
/// <param name="sftpClient">The SFTP client.</param>
/// <param name="sshClient">The SSH client.</param>
/// <param name="fsMonitor">The fs monitor.</param>
private static void StopMonitorMode(SftpClient sftpClient, SshClient sshClient, FileSystemMonitor fsMonitor)
{
ConsoleManager.WriteLine(string.Empty);
fsMonitor.Stop();
ConsoleManager.WriteLine("File System monitor was stopped.");
if (sftpClient.IsConnected == true)
{
sftpClient.Disconnect();
}
ConsoleManager.WriteLine("SFTP client disconnected.");
if (sshClient.IsConnected == true)
{
sshClient.Disconnect();
}
ConsoleManager.WriteLine("SSH client disconnected.");
ConsoleManager.WriteLine("Application will exit now.");
}