public void RegisterUser(UserAndSession user)
{
EventMetadata metadata = new EventMetadata();
metadata.Add(nameof(user.UserId), user.UserId);
metadata.Add(nameof(user.SessionId), user.SessionId);
metadata.Add(
TracingConstants.MessageKey.InfoMessage,
$"{nameof(MaintenanceTaskScheduler)}: Registering user");
this.tracer.RelatedEvent(EventLevel.Informational, nameof(this.RegisterUser), metadata);
this.RegisteredUser = user;
}
public void Execute()
{
UserAndSession registeredUser = this.registeredUserStore.RegisteredUser;
if (registeredUser != null)
{
EventMetadata metadata = new EventMetadata();
metadata.Add(nameof(registeredUser.UserId), registeredUser.UserId);
metadata.Add(nameof(registeredUser.SessionId), registeredUser.SessionId);
metadata.Add(nameof(this.task), this.task.ToString());
metadata.Add(TracingConstants.MessageKey.InfoMessage, "Executing maintenance task");
using (ITracer activity = this.tracer.StartActivity($"{nameof(MaintenanceTask)}.{nameof(this.Execute)}", EventLevel.Informational, metadata))
{
this.RunMaintenanceTaskForRepos(registeredUser);
}
}
else
{
this.tracer.RelatedInfo($"{nameof(MaintenanceTask)}: Skipping '{this.task}', no registered user");
}
}
private void RunMaintenanceTaskForRepos(UserAndSession registeredUser)
{
EventMetadata metadata = new EventMetadata();
metadata.Add(nameof(this.task), MaintenanceTasks.GetVerbTaskName(this.task));
metadata.Add(nameof(registeredUser.UserId), registeredUser.UserId);
metadata.Add(nameof(registeredUser.SessionId), registeredUser.SessionId);
int reposSkipped = 0;
int reposSuccessfullyRemoved = 0;
int repoRemovalFailures = 0;
int reposMaintained = 0;
int reposInRegistryForUser = 0;
bool maintenancePaused = false;
string rootPath;
string errorMessage;
string traceMessage = null;
IEnumerable <ScalarRepoRegistration> reposForUser = this.repoRegistry.GetRegisteredRepos().Where(
x => x.UserId.Equals(registeredUser.UserId, StringComparison.InvariantCultureIgnoreCase));
foreach (ScalarRepoRegistration repoRegistration in reposForUser)
{
++reposInRegistryForUser;
if (maintenancePaused || this.IsMaintenancePaused(out traceMessage))
{
metadata[nameof(traceMessage)] = traceMessage;
maintenancePaused = true;
++reposSkipped;
continue;
}
rootPath = Path.GetPathRoot(repoRegistration.NormalizedRepoRoot);
metadata[nameof(repoRegistration.NormalizedRepoRoot)] = repoRegistration.NormalizedRepoRoot;
metadata[nameof(rootPath)] = rootPath;
metadata.Remove(nameof(errorMessage));
if (!string.IsNullOrWhiteSpace(rootPath) && !this.fileSystem.DirectoryExists(rootPath))
{
++reposSkipped;
// If the volume does not exist we'll assume the drive was removed or is encrypted,
// and we'll leave the repo in the registry (but we won't run maintenance on it).
this.tracer.RelatedEvent(
EventLevel.Informational,
$"{nameof(this.RunMaintenanceTaskForRepos)}_SkippedRepoWithMissingVolume",
metadata);
continue;
}
if (!this.fileSystem.DirectoryExists(repoRegistration.NormalizedRepoRoot))
{
// The repo is no longer on disk (but its volume is present)
// Unregister the repo
if (this.repoRegistry.TryUnregisterRepo(repoRegistration.NormalizedRepoRoot, out errorMessage))
{
++reposSuccessfullyRemoved;
this.tracer.RelatedEvent(
EventLevel.Informational,
$"{nameof(this.RunMaintenanceTaskForRepos)}_RemovedMissingRepo",
metadata);
}
else
{
++repoRemovalFailures;
metadata[nameof(errorMessage)] = errorMessage;
this.tracer.RelatedEvent(
EventLevel.Warning,
$"{nameof(this.RunMaintenanceTaskForRepos)}_FailedToRemoveRepo",
metadata);
}
continue;
}
++reposMaintained;
this.tracer.RelatedEvent(
EventLevel.Informational,
$"{nameof(this.RunMaintenanceTaskForRepos)}_CallingMaintenance",
metadata);
this.scalarVerb.CallMaintenance(this.task, repoRegistration.NormalizedRepoRoot, registeredUser.SessionId);
}
metadata.Add(nameof(reposInRegistryForUser), reposInRegistryForUser);
metadata.Add(nameof(reposSkipped), reposSkipped);
metadata.Add(nameof(reposSuccessfullyRemoved), reposSuccessfullyRemoved);
metadata.Add(nameof(repoRemovalFailures), repoRemovalFailures);
metadata.Add(nameof(reposMaintained), reposMaintained);
metadata.Add(nameof(maintenancePaused), maintenancePaused);
this.tracer.RelatedEvent(
EventLevel.Informational,
$"{nameof(this.RunMaintenanceTaskForRepos)}_MaintenanceSummary",
metadata);
}