123 lines
4.2 KiB
C#
123 lines
4.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using NLog;
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using NzbDrone.Common;
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namespace NzbDrone.Update.Providers
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{
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public class UpdateProvider
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{
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private readonly DiskProvider _diskProvider;
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private readonly ServiceProvider _serviceProvider;
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private readonly ProcessProvider _processProvider;
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private readonly EnviromentProvider _enviromentProvider;
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private readonly IISProvider _iisProvider;
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private static readonly Logger logger = LogManager.GetCurrentClassLogger();
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public UpdateProvider(DiskProvider diskProvider, ServiceProvider serviceProvider,
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ProcessProvider processProvider, EnviromentProvider enviromentProvider, IISProvider iisProvider)
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{
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_diskProvider = diskProvider;
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_serviceProvider = serviceProvider;
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_processProvider = processProvider;
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_enviromentProvider = enviromentProvider;
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_iisProvider = iisProvider;
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}
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public UpdateProvider()
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{
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}
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private void Verify(string targetFolder)
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{
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logger.Info("Verifying requirements before update...");
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if (String.IsNullOrWhiteSpace(targetFolder))
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throw new ArgumentException("Target folder can not be null or empty");
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if (!_diskProvider.FolderExists(targetFolder))
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throw new DirectoryNotFoundException("Target folder doesn't exist " + targetFolder);
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logger.Info("Verifying Update Folder");
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if (!_diskProvider.FolderExists(_enviromentProvider.GetUpdatePackageFolder()))
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throw new DirectoryNotFoundException("Update folder doesn't exist " + _enviromentProvider.GetUpdatePackageFolder());
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}
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public virtual void Start(string targetFolder)
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{
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Verify(targetFolder);
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bool isService = false;
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logger.Info("Stopping all running services");
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if (_serviceProvider.ServiceExist(ServiceProvider.NZBDRONE_SERVICE_NAME)
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&& _serviceProvider.IsServiceRunning(ServiceProvider.NZBDRONE_SERVICE_NAME))
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{
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isService = true;
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_serviceProvider.Stop(ServiceProvider.NZBDRONE_SERVICE_NAME);
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}
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logger.Info("Killing all running processes");
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var processes = _processProvider.GetProcessByName(ProcessProvider.NzbDroneProccessName);
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foreach (var processInfo in processes)
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{
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_processProvider.Kill(processInfo.Id);
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}
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logger.Info("Killing all orphan IISExpress processes");
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_iisProvider.StopServer();
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logger.Info("Creating backup of existing installation");
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_diskProvider.CopyDirectory(targetFolder, _enviromentProvider.GetUpdateBackUpFolder());
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logger.Info("Moving update package to target");
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try
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{
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_diskProvider.CopyDirectory(_enviromentProvider.GetUpdatePackageFolder(), targetFolder);
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logger.Trace("Deleting Update Package.");
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_diskProvider.DeleteFolder(_enviromentProvider.GetUpdatePackageFolder(), true);
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}
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catch (Exception e)
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{
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RollBack(targetFolder);
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foreach (var key in e.Data.Keys)
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{
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logger.Trace("Key: {0}, Value: {1}", key, e.Data[key]);
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}
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logger.FatalException("Failed to copy upgrade package to target folder.", e);
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}
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finally
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{
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StartNzbDrone(isService, targetFolder);
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}
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}
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private void RollBack(string targetFolder)
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{
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logger.Info("Attempting to rollback upgrade");
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_diskProvider.CopyDirectory(_enviromentProvider.GetUpdateBackUpFolder(), targetFolder);
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}
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private void StartNzbDrone(bool isService, string targetFolder)
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{
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if (isService)
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{
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_serviceProvider.Start(ServiceProvider.NZBDRONE_SERVICE_NAME);
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}
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else
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{
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_processProvider.Start(Path.Combine(targetFolder, "nzbdrone.exe"));
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}
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}
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}
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}
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