private static async Task ProcessJobs(string hostname, CancellationToken cancellationToken)
{
Process process = null;
string tempDir = null;
while (!cancellationToken.IsCancellationRequested)
{
var allJobs = _jobs.GetAll();
var job = allJobs.FirstOrDefault();
if (job != null)
{
if (job.State == ServerState.Waiting)
{
// TODO: Race condition if DELETE is called during this code
try
{
Log.WriteLine($"Starting job '{job.Id}' with scenario '{job.Scenario}'");
job.State = ServerState.Starting;
Debug.Assert(tempDir == null);
tempDir = GetTempDir();
var benchmarksDir = CloneAndRestore(tempDir, job);
Debug.Assert(process == null);
process = StartProcess(hostname, Path.Combine(tempDir, benchmarksDir), job);
}
catch (Exception e)
{
Log.WriteLine($"Error starting job '{job.Id}': {e}");
if (tempDir != null)
{
DeleteDir(tempDir);
tempDir = null;
}
job.State = ServerState.Failed;
continue;
}
}
else if (job.State == ServerState.Deleting)
{
Log.WriteLine($"Deleting job '{job.Id}' with scenario '{job.Scenario}'");
if (process != null)
{
// TODO: Replace with managed xplat version of kill process tree
ProcessUtil.Run("taskkill.exe", $"/f /t /pid {process.Id}", throwOnError: false);
process.Dispose();
process = null;
}
if (tempDir != null)
{
DeleteDir(tempDir);
tempDir = null;
}
_jobs.Remove(job.Id);
}
}
await Task.Delay(100);
}
}
private static ProcessResult RunGitCommand(string path, string command, TimeSpan?timeout, bool throwOnError = true, int retries = 0)
{
return(ProcessUtil.RetryOnException(retries, () => ProcessUtil.Run("git", command, timeout, workingDirectory: path, throwOnError: throwOnError, captureOutput: true, captureError: true)));
}
private static ProcessResult RunGitCommand(string path, string command, bool throwOnError = true)
{
return(ProcessUtil.Run("git", command, workingDirectory: path, throwOnError: throwOnError));
}