// try acquire lock and then execute the operation
// return true if lock acquired and operation executed
public static bool TryLockOperation(this IOperationLock lockObj,
Action operation,
TimeSpan timeout)
{
var elapsed = TimeSpan.Zero;
while (!lockObj.Lock())
{
if (elapsed >= timeout)
{
return(false);
}
Thread.Sleep(_sleepInterval);
elapsed += _sleepInterval;
}
try
{
operation();
return(true);
}
finally
{
lockObj.Release();
}
}
public static void RemoveAppOfflineIfLeft(IEnvironment environment, IOperationLock deploymentLock, ITracer tracer)
{
string appOfflineFile = null;
try
{
appOfflineFile = Path.Combine(environment.WebRootPath, Constants.AppOfflineFileName);
if (FileSystemHelpers.FileExists(appOfflineFile))
{
var appOfflineContent = OperationManager.Attempt(() => FileSystemHelpers.ReadAllText(appOfflineFile));
if (appOfflineContent.Contains(Constants.AppOfflineKuduContent))
{
if (deploymentLock != null && deploymentLock.IsHeld)
{
tracer.Trace($"Deployment lock is held, will not remove {appOfflineFile}");
}
else
{
tracer.Trace($"Removing leftover {appOfflineFile}");
OperationManager.Attempt(() => FileSystemHelpers.DeleteFile(appOfflineFile));
}
}
}
}
catch (Exception ex)
{
tracer.TraceError($"Error removing leftover {appOfflineFile} with {ex}");
}
}
public Tracer(IFileSystem fileSystem, string path, TraceLevel level, IOperationLock traceLock)
{
_fileSystem = fileSystem;
_path = path;
_level = level;
_traceLock = traceLock;
}
public Tracer(IFileSystem fileSystem, string path, TraceLevel level, IOperationLock traceLock)
{
_fileSystem = fileSystem;
_path = path;
_level = level;
_traceLock = traceLock;
}
public DeploymentStatusManager(IEnvironment environment,
IOperationLock statusLock)
{
_environment = environment;
_statusLock = statusLock;
_activeFile = Path.Combine(environment.DeploymentsPath, Constants.ActiveDeploymentFile);
}
public static DeploymentStatusFile Open(string id, IEnvironment environment, IAnalytics analytics, IOperationLock statusLock)
{
return statusLock.LockOperation(() =>
{
string path = Path.Combine(environment.DeploymentsPath, id, StatusFile);
if (!FileSystemHelpers.FileExists(path))
{
return null;
}
try
{
XDocument document = null;
using (var stream = FileSystemHelpers.OpenRead(path))
{
document = XDocument.Load(stream);
}
return new DeploymentStatusFile(id, environment, statusLock, document);
}
catch (Exception ex)
{
// in the scenario where w3wp is abruptly terminated while xml is being written,
// we may end up with corrupted xml. we will handle the error and remove the problematic directory.
analytics.UnexpectedException(ex);
FileSystemHelpers.DeleteDirectorySafe(Path.GetDirectoryName(path), ignoreErrors: true);
// it is ok to return null as callers already handle null.
return null;
}
}, DeploymentStatusManager.LockTimeout);
}
public SettingsController(
IDeploymentSettingsManager settingsManager,
IDictionary <string, IOperationLock> namedLocks)
{
_settingsManager = settingsManager;
_deploymentLock = namedLocks["deployment"];
}
public FetchHandler(ITracer tracer,
IDeploymentManager deploymentManager,
IDeploymentSettingsManager settings,
IDeploymentStatusManager status,
IOperationLock deploymentLock,
IEnvironment environment,
IEnumerable <IServiceHookHandler> serviceHookHandlers,
IRepositoryFactory repositoryFactory,
IFileSystem fileSystem)
{
_tracer = tracer;
_deploymentLock = deploymentLock;
_deploymentManager = deploymentManager;
_settings = settings;
_status = status;
_serviceHookHandlers = serviceHookHandlers;
_repositoryFactory = repositoryFactory;
_fileSystem = fileSystem;
_markerFilePath = Path.Combine(environment.DeploymentsPath, "pending");
// Prefer marker creation in ctor to delay create when needed.
// This is to keep the code simple and avoid creation synchronization.
if (!_fileSystem.File.Exists(_markerFilePath))
{
try
{
_fileSystem.File.WriteAllText(_markerFilePath, String.Empty);
}
catch (Exception ex)
{
tracer.TraceError(ex);
}
}
}
public SSHKeyController(ITracer tracer, ISSHKeyManager sshKeyManager, IFileSystem fileSystem, IOperationLock sshKeyLock)
{
_tracer = tracer;
_sshKeyManager = sshKeyManager;
_fileSystem = fileSystem;
_sshKeyLock = sshKeyLock;
}
private DeploymentStatusFile(string id, IEnvironment environment, IOperationLock statusLock, XDocument document = null)
{
_activeFile = Path.Combine(environment.DeploymentsPath, Constants.ActiveDeploymentFile);
_statusFile = Path.Combine(environment.DeploymentsPath, id, StatusFile);
_statusLock = statusLock;
Id = id;
SiteName = GetSiteName(environment);
HostName = System.Environment.GetEnvironmentVariable("HTTP_HOST");
if (document != null)
{
Initialize(document);
}
// Ensure that the status file is created before we enter this code block
Task ensureLogFileExists = Task.Run(() =>
OperationManager.Attempt(() =>
{
if (!FileSystemHelpers.FileExists(_statusFile))
{
throw new FileNotFoundException("Status file doesn't exist. Will wait for 1 second and retry");
}
}, 2, 250));
}
public GitServerHttpHandler(ITracer tracer, IGitServer gitServer, IOperationLock deploymentLock, IDeploymentManager deploymentManager)
{
_gitServer = gitServer;
_tracer = tracer;
_deploymentLock = deploymentLock;
_deploymentManager = deploymentManager;
}
public FetchDeploymentManager(
IDeploymentSettingsManager settings,
IEnvironment environment,
ITracer tracer,
IOperationLock deploymentLock,
IDeploymentManager deploymentManager,
IDeploymentStatusManager status)
{
_settings = settings;
_environment = environment;
_tracer = tracer;
_deploymentLock = deploymentLock;
_deploymentManager = deploymentManager;
_status = status;
_markerFilePath = Path.Combine(environment.DeploymentsPath, "pending");
// Prefer marker creation in ctor to delay create when needed.
// This is to keep the code simple and avoid creation synchronization.
if (!FileSystemHelpers.FileExists(_markerFilePath))
{
try
{
FileSystemHelpers.WriteAllText(_markerFilePath, String.Empty);
}
catch (Exception ex)
{
tracer.TraceError(ex);
}
}
}
public UploadPackHandler(ITracer tracer,
IGitServer gitServer,
IOperationLock deploymentLock,
IDeploymentManager deploymentManager)
: base(tracer, gitServer, deploymentLock, deploymentManager)
{
}
public static async Task <bool> TryLockOperationAsync(this IOperationLock lockObj,
Func <Task> operation,
TimeSpan timeout)
{
var interval = TimeSpan.FromMilliseconds(250);
var elapsed = TimeSpan.Zero;
while (!lockObj.Lock())
{
if (elapsed >= timeout)
{
return(false);
}
await Task.Delay(_sleepInterval);
elapsed += _sleepInterval;
}
try
{
await operation();
return(true);
}
finally
{
lockObj.Release();
}
}
public ReceivePackHandler(ITracer tracer,
IGitServer gitServer,
IOperationLock deploymentLock,
IDeploymentManager deploymentManager,
IDeploymentSettingsManager settings)
: base(tracer, gitServer, deploymentLock, deploymentManager, settings)
{
}
public RpcService(ITracer tracer,
IGitServer gitServer,
IOperationLock deploymentLock)
{
_gitServer = gitServer;
_tracer = tracer;
_deploymentLock = deploymentLock;
}
public LiveScmEditorController(ITracer tracer,
IDeploymentManager deploymentManager,
IOperationLock operationLock,
IEnvironment environment,
IRepository repository)
: this(tracer, deploymentManager, operationLock, environment, repository, new FileSystem())
{
}
public DeploymentController(ITracer tracer,
IDeploymentManager deploymentManager,
IOperationLock deploymentLock)
{
_tracer = tracer;
_deploymentManager = deploymentManager;
_deploymentLock = deploymentLock;
}
public RpcController(ITracer tracer,
IGitServer gitServer,
IOperationLock deploymentLock)
{
_gitServer = gitServer;
_tracer = tracer;
_deploymentLock = deploymentLock;
}
public ReceivePackService(ITracer tracer,
IGitServer gitServer,
IOperationLock deploymentLock)
{
_gitServer = gitServer;
_tracer = tracer;
_deploymentLock = deploymentLock;
}
public DeploymentController(ITracer tracer,
IDeploymentManager deploymentManager,
IOperationLock deploymentLock)
{
_tracer = tracer;
_deploymentManager = deploymentManager;
_deploymentLock = deploymentLock;
}
public WebHooksManager(ITracer tracer, IEnvironment environment, IOperationLock hooksLock)
{
_tracer = tracer;
_environment = environment;
_hooksLock = hooksLock;
_hooksFilePath = Path.Combine(_environment.DeploymentsPath, HooksFileName);
}
public DeploymentService(ITracer tracer,
IDeploymentManager deploymentManager,
IOperationLock deploymentLock)
{
_tracer = tracer;
_deploymentManager = deploymentManager;
_deploymentLock = deploymentLock;
}
public DeploymentService(ITracer tracer,
IDeploymentManager deploymentManager,
IOperationLock deploymentLock)
{
_tracer = tracer;
_deploymentManager = deploymentManager;
_deploymentLock = deploymentLock;
}
public LiveScmEditorController(ITracer tracer,
IDeploymentManager deploymentManager,
IOperationLock operationLock,
IEnvironment environment,
IRepository repository)
: this(tracer, deploymentManager, operationLock, environment, repository, new FileSystem())
{
}
// acquire lock and then execute the operation
public static void LockOperation(this IOperationLock lockObj, Action operation, TimeSpan timeout)
{
bool success = lockObj.TryLockOperation(operation, timeout);
if (!success)
{
throw new InvalidOperationException("Unable to acquire lock within a given time.");
}
}
// acquire lock and then execute the operation
public static void LockOperation(this IOperationLock lockObj, Action operation, TimeSpan timeout)
{
bool success = lockObj.TryLockOperation(operation, timeout);
if (!success)
{
throw new LockOperationException(String.Format(CultureInfo.CurrentCulture, Resources.Error_OperationLockTimeout, timeout.TotalSeconds));
}
}
public GitExeServer(string path, IOperationLock initLock, ITraceFactory traceFactory)
{
_gitExe = new GitExecutable(path);
_gitExe.SetTraceLevel(2);
_traceFactory = traceFactory;
_repository = new GitExeRepository(path, traceFactory);
_repository.SetTraceLevel(2);
_initLock = initLock;
}
public ReceivePackHandler(ITracer tracer,
IGitServer gitServer,
IOperationLock deploymentLock,
IDeploymentManager deploymentManager,
IRepositoryFactory repositoryFactory)
: base(tracer, gitServer, deploymentLock, deploymentManager)
{
_repositoryFactory = repositoryFactory;
}
public ReceivePackHandler(ITracer tracer,
IGitServer gitServer,
IOperationLock deploymentLock,
IDeploymentManager deploymentManager,
IRepositoryFactory repositoryFactory)
: base(tracer, gitServer, deploymentLock, deploymentManager)
{
_repositoryFactory = repositoryFactory;
}
public DeploymentStatusManager(IEnvironment environment,
IFileSystem fileSystem,
IOperationLock statusLock)
{
_environment = environment;
_fileSystem = fileSystem;
_statusLock = statusLock;
_activeFile = Path.Combine(environment.DeploymentCachePath, Constants.ActiveDeploymentFile);
}
public DeploymentStatusManager(IEnvironment environment,
IAnalytics analytics,
IOperationLock statusLock)
{
_environment = environment;
_analytics = analytics;
_statusLock = statusLock;
_activeFile = Path.Combine(environment.DeploymentsPath, Constants.ActiveDeploymentFile);
}
public static void LockHttpOperation(this IOperationLock lockObj, Action action)
{
lockObj.LockOperation(action, () =>
{
var response = new HttpResponseMessage(HttpStatusCode.Conflict);
response.Content = new StringContent(Resources.Error_DeploymentInProgess);
throw new HttpResponseException(response);
});
}
public RpcService(ITracer tracer,
IGitServer gitServer,
IDeploymentManagerFactory deploymentManagerFactory,
IOperationLock deploymentLock)
{
_gitServer = gitServer;
_deploymentManagerFactory = deploymentManagerFactory;
_tracer = tracer;
_deploymentLock = deploymentLock;
}
public DeploymentController(ITracer tracer,
IDeploymentManager deploymentManager,
IOperationLock deploymentLock,
RepositoryFactory repositoryFactory)
{
_tracer = tracer;
_deploymentManager = deploymentManager;
_deploymentLock = deploymentLock;
_repositoryFactory = repositoryFactory;
}
protected GitServerHttpHandler(ITracer tracer,
IGitServer gitServer,
IOperationLock deploymentLock,
IDeploymentManager deploymentManager)
{
GitServer = gitServer;
Tracer = tracer;
DeploymentLock = deploymentLock;
DeploymentManager = deploymentManager;
}
protected GitServerHttpHandler(ITracer tracer,
IGitServer gitServer,
IOperationLock deploymentLock,
IDeploymentManager deploymentManager)
{
GitServer = gitServer;
Tracer = tracer;
DeploymentLock = deploymentLock;
DeploymentManager = deploymentManager;
}
public LiveScmEditorController(ITracer tracer,
IOperationLock operationLock,
IEnvironment environment,
IRepository repository)
: base(tracer, environment, environment.RepositoryPath)
{
_operationLock = operationLock;
_repository = repository;
_currentEtag = GetCurrentEtag();
}
// acquire lock and then execute the operation
public static void LockOperation(this IOperationLock lockObj, Action operation, string operationName, TimeSpan timeout)
{
bool success = lockObj.TryLockOperation(operation, operationName, timeout);
if (!success)
{
var lockInfo = lockObj.LockInfo;
throw new LockOperationException(String.Format(CultureInfo.CurrentCulture, Resources.Error_OperationLockTimeout, operationName, lockInfo.OperationName, lockInfo.AcquiredDateTime));
}
}
public static async Task LockHttpOperationAsync(this IOperationLock lockObj, Func <Task> action)
{
bool acquired = await lockObj.TryLockOperationAsync(action, TimeSpan.Zero);
if (!acquired)
{
var response = new HttpResponseMessage(HttpStatusCode.Conflict);
response.Content = new StringContent(Resources.Error_DeploymentInProgess);
throw new HttpResponseException(response);
}
}
public static T LockOperationIfNeccessary <T>(this IOperationLock lockObj, Func <T> operation, string operationName, TimeSpan timeout)
{
try
{
return(operation());
}
catch (Exception)
{
return(lockObj.LockOperation(operation, operationName, timeout));
}
}
public LiveScmEditorController(ITracer tracer,
IDeploymentManager deploymentManager,
IOperationLock operationLock,
IEnvironment environment,
IRepositoryFactory repositoryFactory)
: base(tracer, environment, environment.RepositoryPath)
{
_deploymentManager = deploymentManager;
_operationLock = operationLock;
_repository = repositoryFactory.GetGitRepository();
}
public LockFile(string path, ITraceFactory traceFactory, bool ensureLock = false)
{
if (!OSDetector.IsOnWindows())
{
_lock = new LinuxLockFile(path, traceFactory, ensureLock);
}
else
{
_lock = new WindowsLockFile(path, traceFactory, ensureLock);
}
}
public LiveScmEditorController(ITracer tracer,
IDeploymentManager deploymentManager,
IOperationLock operationLock,
IEnvironment environment,
IRepositoryFactory repositoryFactory)
: base(tracer, environment, environment.RepositoryPath)
{
_deploymentManager = deploymentManager;
_operationLock = operationLock;
_repository = repositoryFactory.GetGitRepository();
}
public LockFile(string path)
{
if (!OSDetector.IsOnWindows())
{
_lock = new LinuxLockFile(path);
}
else
{
_lock = new WindowsLockFile(path);
}
}
public DeploymentController(ITracer tracer,
IDeploymentManager deploymentManager,
IDeploymentStatusManager status,
IOperationLock deploymentLock,
IRepositoryFactory repositoryFactory)
{
_tracer = tracer;
_deploymentManager = deploymentManager;
_status = status;
_deploymentLock = deploymentLock;
_repositoryFactory = repositoryFactory;
}
public FetchHandler(ITracer tracer,
IGitServer gitServer,
IDeploymentManager deploymentManager,
IOperationLock deploymentLock,
RepositoryConfiguration configuration)
{
_gitServer = gitServer;
_deploymentManager = deploymentManager;
_tracer = tracer;
_deploymentLock = deploymentLock;
_configuration = configuration;
}
public LiveScmEditorController(ITracer tracer,
IDeploymentManager deploymentManager,
IOperationLock operationLock,
IEnvironment environment,
IRepository repository,
IFileSystem fileSystem)
: base(tracer, environment, fileSystem, environment.RepositoryPath)
{
_deploymentManager = deploymentManager;
_operationLock = operationLock;
_repository = repository;
}
public LiveScmController(ITracer tracer,
IOperationLock deploymentLock,
IEnvironment environment,
IRepository repository,
IServerConfiguration serverConfiguration)
{
_tracer = tracer;
_deploymentLock = deploymentLock;
_environment = environment;
_repository = repository;
_serverConfiguration = serverConfiguration;
}
public LiveScmController(ITracer tracer,
IOperationLock deploymentLock,
IEnvironment environment,
IServerRepository repository,
IServerConfiguration serverConfiguration)
{
_tracer = tracer;
_deploymentLock = deploymentLock;
_environment = environment;
_repository = repository;
_serverConfiguration = serverConfiguration;
}
public GitExeServer(string path, IOperationLock initLock, IDeploymentCommandGenerator deploymentCommandGenerator, ITraceFactory traceFactory)
{
_gitExe = new GitExecutable(path);
_gitExe.SetTraceLevel(2);
_traceFactory = traceFactory;
_repository = new GitExeRepository(path, traceFactory);
_repository.SetTraceLevel(2);
_initLock = initLock;
_deploymentCommandGenerator = deploymentCommandGenerator;
// Setup the deployment environment variable to be used by the post receive hook
_gitExe.EnvironmentVariables[_deploymentCommandGenerator.DeploymentEnvironmentVariable] = _deploymentCommandGenerator.GetDeploymentExePath();
}
public GitExeServer(string path, IOperationLock initLock, IDeploymentEnvironment deploymentEnvironment, ITraceFactory traceFactory)
{
_gitExe = new GitExecutable(path);
_traceFactory = traceFactory;
_repository = new GitExeRepository(path, traceFactory);
_initLock = initLock;
// Setup the deployment environment variable to be used by the post receive hook
_gitExe.EnvironmentVariables[KnownEnviornment.EXEPATH] = deploymentEnvironment.ExePath;
_gitExe.EnvironmentVariables[KnownEnviornment.APPPATH] = deploymentEnvironment.ApplicationPath;
_gitExe.EnvironmentVariables[KnownEnviornment.MSBUILD] = deploymentEnvironment.MSBuildExtensionsPath;
_gitExe.EnvironmentVariables[KnownEnviornment.DEPLOYER] = "";
}
public FetchHandler(ITracer tracer,
IGitServer gitServer,
IDeploymentManager deploymentManager,
IDeploymentSettingsManager settings,
IOperationLock deploymentLock,
RepositoryConfiguration configuration,
IEnvironment environment)
: base(tracer, gitServer, deploymentLock, deploymentManager)
{
_settings = settings;
_configuration = configuration;
_environment = environment;
}
public static DeploymentStatusFile Create(string id, IFileSystem fileSystem, IEnvironment environment, IOperationLock statusLock)
{
string path = Path.Combine(environment.DeploymentsPath, id);
FileSystemHelpers.EnsureDirectory(fileSystem, path);
DateTime utcNow = DateTime.UtcNow;
return new DeploymentStatusFile(id, environment, fileSystem, statusLock)
{
StartTime = utcNow,
ReceivedTime = utcNow
};
}
private DeploymentStatusFile(string id, IEnvironment environment, IFileSystem fileSystem, IOperationLock statusLock, XDocument document = null)
{
_activeFile = Path.Combine(environment.DeploymentCachePath, Constants.ActiveDeploymentFile);
_statusFile = Path.Combine(environment.DeploymentCachePath, id, StatusFile);
_fileSystem = fileSystem;
_statusLock = statusLock;
Id = id;
if (document != null)
{
Initialize(document);
}
}
public GitServerHttpHandler(ITracer tracer, IGitServer gitServer, IOperationLock deploymentLock, IDeploymentManager deploymentManager)
{
_gitServer = gitServer;
_tracer = tracer;
_deploymentLock = deploymentLock;
_deploymentManager = deploymentManager;
}
public SSHKeyController(ITracer tracer, ISSHKeyManager sshKeyManager, IFileSystem fileSystem, IOperationLock sshKeyLock)
{
_tracer = tracer;
_sshKeyManager = sshKeyManager;
_fileSystem = fileSystem;
_sshKeyLock = sshKeyLock;
}
public FetchHandler(ITracer tracer,
IDeploymentManager deploymentManager,
IDeploymentSettingsManager settings,
IDeploymentStatusManager status,
IOperationLock deploymentLock,
IEnvironment environment,
IEnumerable<IServiceHookHandler> serviceHookHandlers,
IRepositoryFactory repositoryFactory,
IAutoSwapHandler autoSwapHandler)
{
_tracer = tracer;
_deploymentLock = deploymentLock;
_environment = environment;
_deploymentManager = deploymentManager;
_settings = settings;
_status = status;
_serviceHookHandlers = serviceHookHandlers;
_repositoryFactory = repositoryFactory;
_autoSwapHandler = autoSwapHandler;
_markerFilePath = Path.Combine(environment.DeploymentsPath, "pending");
// Prefer marker creation in ctor to delay create when needed.
// This is to keep the code simple and avoid creation synchronization.
if (!FileSystemHelpers.FileExists(_markerFilePath))
{
try
{
FileSystemHelpers.WriteAllText(_markerFilePath, String.Empty);
}
catch (Exception ex)
{
tracer.TraceError(ex);
}
}
}
public UploadPackHandler(ITracer tracer,
IGitServer gitServer,
IOperationLock deploymentLock,
IDeploymentManager deploymentManager)
: base(tracer, gitServer, deploymentLock, deploymentManager)
{
}
public WebHooksManager(ITracer tracer, IEnvironment environment, IOperationLock hooksLock)
{
_tracer = tracer;
_environment = environment;
_hooksLock = hooksLock;
_hooksFilePath = Path.Combine(_environment.DeploymentsPath, HooksFileName);
}