/// <summary>
/// Runner for <see cref="JobHandler"/>s
/// </summary>
/// <param name="job">The <see cref="Job"/> being run</param>
/// <param name="operation">The <see cref="JobEntrypoint"/> for the <paramref name="job"/></param>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the operation</param>
/// <returns>A <see cref="Task"/> representing the running operation</returns>
async Task RunJob(Job job, JobEntrypoint operation, CancellationToken cancellationToken)
{
using (LogContext.PushProperty("Job", job.Id))
try
{
void LogException(Exception ex) => logger.LogDebug(ex, "Job {0} exited with error!", job.Id);
try
{
var oldJob = job;
job = new Job {
Id = oldJob.Id
};
void UpdateProgress(int progress)
{
lock (synchronizationLock)
if (jobs.TryGetValue(oldJob.Id.Value, out var handler))
{
handler.Progress = progress;
}
}
await activationTcs.Task.WithToken(cancellationToken).ConfigureAwait(false);
logger.LogTrace("Starting job...");
await operation(
instanceCoreProvider.Value.GetInstance(oldJob.Instance),
databaseContextFactory,
job,
UpdateProgress,
cancellationToken)
.ConfigureAwait(false);
logger.LogDebug("Job {0} completed!", job.Id);
}
catch (OperationCanceledException ex)
{
logger.LogDebug(ex, "Job {0} cancelled!", job.Id);
job.Cancelled = true;
}
catch (JobException e)
{
job.ErrorCode = e.ErrorCode;
job.ExceptionDetails = String.IsNullOrWhiteSpace(e.Message) ? e.InnerException?.Message : e.Message;
LogException(e);
}
catch (Exception e)
{
job.ExceptionDetails = e.ToString();
LogException(e);
}
await databaseContextFactory.UseContext(async databaseContext =>
{
var attachedJob = new Job
{
Id = job.Id
};
databaseContext.Jobs.Attach(attachedJob);
attachedJob.StoppedAt = DateTimeOffset.UtcNow;
attachedJob.ExceptionDetails = job.ExceptionDetails;
attachedJob.ErrorCode = job.ErrorCode;
attachedJob.Cancelled = job.Cancelled;
// DCT: Cancellation token is for job, operation should always run
await databaseContext.Save(default).ConfigureAwait(false);
/// <inheritdoc /> public Task RegisterOperation(Job job, JobEntrypoint operation, CancellationToken cancellationToken) => databaseContextFactory.UseContext(