// key goal is to create background tracer that is independent of request.
public static async Task PerformBackgroundDeployment(
DeploymentInfo deployInfo,
IEnvironment environment,
IDeploymentSettingsManager settings,
TraceLevel traceLevel,
Uri uri,
bool waitForTempDeploymentCreation)
{
var tracer = traceLevel <= TraceLevel.Off ? NullTracer.Instance : new CascadeTracer(new XmlTracer(environment.TracePath, traceLevel), new ETWTracer(environment.RequestId, "POST"));
var traceFactory = new TracerFactory(() => tracer);
var backgroundTrace = tracer.Step(XmlTracer.BackgroundTrace, new Dictionary <string, string>
{
{ "url", uri.AbsolutePath },
{ "method", "POST" }
});
// For monitoring creation of temp deployment
var tcs = new TaskCompletionSource <object>();
// This task will be let out of scope intentionally
var deploymentTask = Task.Run(() =>
{
try
{
// lock related
string lockPath = Path.Combine(environment.SiteRootPath, Constants.LockPath);
string deploymentLockPath = Path.Combine(lockPath, Constants.DeploymentLockFile);
string statusLockPath = Path.Combine(lockPath, Constants.StatusLockFile);
string hooksLockPath = Path.Combine(lockPath, Constants.HooksLockFile);
var statusLock = new LockFile(statusLockPath, traceFactory);
var hooksLock = new LockFile(hooksLockPath, traceFactory);
var deploymentLock = new DeploymentLockFile(deploymentLockPath, traceFactory);
var analytics = new Analytics(settings, new ServerConfiguration(), traceFactory);
var deploymentStatusManager = new DeploymentStatusManager(environment, analytics, statusLock);
var repositoryFactory = new RepositoryFactory(environment, settings, traceFactory);
var siteBuilderFactory = new SiteBuilderFactory(new BuildPropertyProvider(), environment);
var webHooksManager = new WebHooksManager(tracer, environment, hooksLock);
var deploymentManager = new DeploymentManager(siteBuilderFactory, environment, traceFactory, analytics, settings, deploymentStatusManager, deploymentLock, NullLogger.Instance, webHooksManager);
var fetchHandler = new FetchHandler(tracer, deploymentManager, settings, deploymentStatusManager, deploymentLock, environment, null, repositoryFactory);
IDisposable tempDeployment = null;
try
{
// Perform deployment
deploymentLock.LockOperation(() =>
{
ChangeSet tempChangeSet = null;
if (waitForTempDeploymentCreation)
{
// create temporary deployment before the actual deployment item started
// this allows portal ui to readily display on-going deployment (not having to wait for fetch to complete).
// in addition, it captures any failure that may occur before the actual deployment item started
tempDeployment = deploymentManager.CreateTemporaryDeployment(
Resources.ReceivingChanges,
out tempChangeSet,
deployInfo.TargetChangeset,
deployInfo.Deployer);
tcs.TrySetResult(null);
}
fetchHandler.PerformDeployment(deployInfo, tempDeployment, tempChangeSet).Wait();
}, "Performing continuous deployment", TimeSpan.Zero);
}
catch (LockOperationException)
{
if (tempDeployment != null)
{
tempDeployment.Dispose();
}
using (tracer.Step("Update pending deployment marker file"))
{
// REVIEW: This makes the assumption that the repository url is the same.
// If it isn't the result would be buggy either way.
FileSystemHelpers.SetLastWriteTimeUtc(fetchHandler._markerFilePath, DateTime.UtcNow);
}
}
}
catch (Exception ex)
{
tracer.TraceError(ex);
}
finally
{
backgroundTrace.Dispose();
}
});
// When the frontend/ARM calls /deploy with isAsync=true, it starts polling
// the deployment status immediately, so it's important that the temp deployment
// is created before we return.
if (waitForTempDeploymentCreation)
{
// If deploymentTask blows up before it creates the temp deployment,
// go ahead and return.
await Task.WhenAny(tcs.Task, deploymentTask);
}
}
// key goal is to create background tracer that is independent of request.
public static async Task <bool> PerformBackgroundDeployment(
DeploymentInfoBase deployInfo,
IEnvironment environment,
IDeploymentSettingsManager settings,
TraceLevel traceLevel,
Uri uri,
bool waitForTempDeploymentCreation)
{
var tracer = traceLevel <= TraceLevel.Off ? NullTracer.Instance : new CascadeTracer(new XmlTracer(environment.TracePath, traceLevel), new ETWTracer(environment.RequestId, "POST"));
var traceFactory = new TracerFactory(() => tracer);
var backgroundTrace = tracer.Step(XmlTracer.BackgroundTrace, new Dictionary <string, string>
{
{ "url", uri.AbsolutePath },
{ "method", "POST" }
});
// For waiting on creation of temp deployment
var tempDeploymentCreatedTcs = new TaskCompletionSource <object>();
// For determining whether or not we failed to create the deployment due to lock contention.
// Needed for deployments where deferred deployment is not allowed. Will be set to false if
// lock contention occurs and AllowDeferredDeployment is false, otherwise true.
var deploymentWillOccurTcs = new TaskCompletionSource <bool>();
// This task will be let out of scope intentionally
var deploymentTask = Task.Run(() =>
{
try
{
// lock related
string lockPath = Path.Combine(environment.SiteRootPath, Constants.LockPath);
string deploymentLockPath = Path.Combine(lockPath, Constants.DeploymentLockFile);
string statusLockPath = Path.Combine(lockPath, Constants.StatusLockFile);
string hooksLockPath = Path.Combine(lockPath, Constants.HooksLockFile);
var statusLock = new LockFile(statusLockPath, traceFactory, traceLock: false);
var hooksLock = new LockFile(hooksLockPath, traceFactory);
var deploymentLock = new DeploymentLockFile(deploymentLockPath, traceFactory);
var analytics = new Analytics(settings, new ServerConfiguration(), traceFactory);
var deploymentStatusManager = new DeploymentStatusManager(environment, analytics, statusLock);
var siteBuilderFactory = new SiteBuilderFactory(new BuildPropertyProvider(), environment);
var webHooksManager = new WebHooksManager(tracer, environment, hooksLock);
var deploymentManager = new DeploymentManager(siteBuilderFactory, environment, traceFactory, analytics, settings, deploymentStatusManager, deploymentLock, NullLogger.Instance, webHooksManager);
var fetchDeploymentManager = new FetchDeploymentManager(settings, environment, tracer, deploymentLock, deploymentManager, deploymentStatusManager);
IDisposable tempDeployment = null;
try
{
// Perform deployment
deploymentLock.LockOperation(() =>
{
deploymentWillOccurTcs.TrySetResult(true);
ChangeSet tempChangeSet = null;
if (waitForTempDeploymentCreation)
{
// create temporary deployment before the actual deployment item started
// this allows portal ui to readily display on-going deployment (not having to wait for fetch to complete).
// in addition, it captures any failure that may occur before the actual deployment item started
tempDeployment = deploymentManager.CreateTemporaryDeployment(
Resources.ReceivingChanges,
out tempChangeSet,
deployInfo.TargetChangeset,
deployInfo.Deployer);
tempDeploymentCreatedTcs.TrySetResult(null);
}
fetchDeploymentManager.PerformDeployment(deployInfo, tempDeployment, tempChangeSet).Wait();
}, "Performing continuous deployment", TimeSpan.Zero);
}
catch (LockOperationException)
{
if (tempDeployment != null)
{
OperationManager.SafeExecute(() => tempDeployment.Dispose());
}
if (deployInfo.AllowDeferredDeployment)
{
deploymentWillOccurTcs.TrySetResult(true);
using (tracer.Step("Update pending deployment marker file"))
{
// REVIEW: This makes the assumption that the repository url is the same.
// If it isn't the result would be buggy either way.
FileSystemHelpers.SetLastWriteTimeUtc(fetchDeploymentManager._markerFilePath, DateTime.UtcNow);
}
}
}
}
catch (Exception ex)
{
tracer.TraceError(ex);
}
finally
{
// Will no-op if already set
deploymentWillOccurTcs.TrySetResult(false);
backgroundTrace.Dispose();
}
});
#pragma warning disable 4014
// Run on BG task (Task.Run) to avoid ASP.NET Request thread terminated with request completion and
// it doesn't get chance to clean up the pending marker.
Task.Run(() => PostDeploymentHelper.TrackPendingOperation(deploymentTask, TimeSpan.Zero));
#pragma warning restore 4014
// When the frontend/ARM calls /deploy with isAsync=true, it starts polling
// the deployment status immediately, so it's important that the temp deployment
// is created before we return.
if (waitForTempDeploymentCreation)
{
// deploymentTask may return without creating the temp deployment (lock contention,
// other exception), in which case just continue.
await Task.WhenAny(tempDeploymentCreatedTcs.Task, deploymentTask);
}
// If deferred deployment is not permitted, we need to know whether or not the deployment was
// successfully requested. Otherwise, to preserve existing behavior, we assume it was.
if (!deployInfo.AllowDeferredDeployment)
{
return(await deploymentWillOccurTcs.Task);
}
else
{
return(true);
}
}
// key goal is to create background tracer that is independent of request.
public static void PerformBackgroundDeployment(DeploymentInfo deployInfo, IEnvironment environment, IDeploymentSettingsManager settings, TraceLevel traceLevel, Uri uri, IDisposable tempDeployment, IAutoSwapHandler autoSwapHandler, ChangeSet tempChangeSet)
{
var tracer = traceLevel <= TraceLevel.Off ? NullTracer.Instance : new XmlTracer(environment.TracePath, traceLevel);
var traceFactory = new TracerFactory(() => tracer);
var backgroundTrace = tracer.Step(XmlTracer.BackgroundTrace, new Dictionary <string, string>
{
{ "url", uri.AbsolutePath },
{ "method", "POST" }
});
Task.Run(() =>
{
try
{
// lock related
string lockPath = Path.Combine(environment.SiteRootPath, Constants.LockPath);
string deploymentLockPath = Path.Combine(lockPath, Constants.DeploymentLockFile);
string statusLockPath = Path.Combine(lockPath, Constants.StatusLockFile);
string hooksLockPath = Path.Combine(lockPath, Constants.HooksLockFile);
var statusLock = new LockFile(statusLockPath, traceFactory);
var hooksLock = new LockFile(hooksLockPath, traceFactory);
var deploymentLock = new DeploymentLockFile(deploymentLockPath, traceFactory);
var analytics = new Analytics(settings, new ServerConfiguration(), traceFactory);
var deploymentStatusManager = new DeploymentStatusManager(environment, analytics, statusLock);
var repositoryFactory = new RepositoryFactory(environment, settings, traceFactory);
var siteBuilderFactory = new SiteBuilderFactory(new BuildPropertyProvider(), environment);
var webHooksManager = new WebHooksManager(tracer, environment, hooksLock);
var functionManager = new FunctionManager(environment, traceFactory);
var deploymentManager = new DeploymentManager(siteBuilderFactory, environment, traceFactory, analytics, settings, deploymentStatusManager, deploymentLock, NullLogger.Instance, webHooksManager, functionManager);
var fetchHandler = new FetchHandler(tracer, deploymentManager, settings, deploymentStatusManager, deploymentLock, environment, null, repositoryFactory, autoSwapHandler);
try
{
// Perform deployment
deploymentLock.LockOperation(() =>
{
fetchHandler.PerformDeployment(deployInfo, tempDeployment, tempChangeSet).Wait();
}, "Performing continuous deployment", TimeSpan.Zero);
}
catch (LockOperationException)
{
if (tempDeployment != null)
{
tempDeployment.Dispose();
}
using (tracer.Step("Update pending deployment marker file"))
{
// REVIEW: This makes the assumption that the repository url is the same.
// If it isn't the result would be buggy either way.
FileSystemHelpers.SetLastWriteTimeUtc(fetchHandler._markerFilePath, DateTime.UtcNow);
}
}
}
catch (Exception ex)
{
tracer.TraceError(ex);
}
finally
{
backgroundTrace.Dispose();
}
});
}