public override void PowerOn(CancellationTokenSource cancellation)
{
MachineStart.Run(_machine.Name, () =>
{
if (cancellation.Token.IsCancellationRequested)
{
return;
}
TraceFactory.Logger.Debug("{0}: Reverting".FormatWith(_machine.Name));
UpdateStatus("Revert");
_machine.Revert();
if (cancellation.Token.IsCancellationRequested)
{
return;
}
TraceFactory.Logger.Debug("{0}: Power On".FormatWith(_machine.Name));
UpdateStatus("PowerOn");
_machine.PowerOn();
if (!VMController.WaitOnMachineAvailable(_machine.Name, cancellation.Token))
{
TraceFactory.Logger.Debug("Cancellation received");
throw new OperationCanceledException("Cancellation received");
}
});
}
private void StartSimulatorHandler()
{
bool alreadyRetried = false;
TraceFactory.Logger.Debug("Starting simulator {0}".FormatWith(_machine.Name));
while (true)
{
try
{
if (_machine.IsPoweredOn())
{
// The machine is already powered on, see if the simulator is responsive
// and handle accordingly.
TraceFactory.Logger.Debug("{0} is already powered on...".FormatWith(_machine.Name));
if (JediSimulatorManager.IsSimulatorReady(_machine.Name))
{
// The simulator is on and ready to go, just return
return;
}
else
{
// Since the machine is running, but the simulator doesn't respond
// attempt to stop the simulator
try
{
// Attempt to shutdown the simulator. If this fails then log it and continue
TraceFactory.Logger.Debug("Attempting to shutdown the simulator");
JediSimulatorManager.ShutdownSimulator(_machine.Name);
}
catch (Exception ex)
{
TraceFactory.Logger.Debug("Simulator shutdown failed, error: {0}".FormatWith(ex.Message));
}
}
}
else
{
// The machine isn't on, so boot it and then try to start the simulator.
try
{
MachineStart.Run(_machine.Name, () =>
{
TraceFactory.Logger.Debug("Booting {0}".FormatWith(_machine.Name));
MapElement.UpdateStatus("Booting");
// Don't track "In Use" for simulator VMs, they are already handled through
// asset reservation.
_machine.PowerOn(setInUse: false);
});
}
catch (Exception ex)
{
TraceFactory.Logger.Error("Error booting virtual machine", ex);
MapElement.UpdateStatus("Error booting VM", RuntimeState.Error);
return;
}
MapElement.UpdateStatus("ReadyWait");
if (!VMController.WaitOnMachineAvailable(_machine.Name, _cancel.Token))
{
TraceFactory.Logger.Debug("Cancellation request received, returning...");
throw new OperationCanceledException("Cancellation received");
}
}
// Now the machine should be booted and ready to start the simulator.
MapElement.UpdateStatus("Starting");
JediSimulatorManager.LaunchSimulator(_machine.Name, ((JediSimulatorDetail)Asset).Product, _machine.Name, _cancel.Token);
return;
}
catch (Exception ex)
{
// If an exception is hit trying to start on the first attempt, then try one
// more time after first shutting down the machine.
TraceFactory.Logger.Debug("Error starting simulator on {0}".FormatWith(_machine.Name));
if (alreadyRetried)
{
MapElement.UpdateStatus("Unable to start this simulator: {0}".FormatWith(ex.Message), RuntimeState.Error);
throw new OperationCanceledException("Cancellation received");
}
else
{
// Unable to start the simulator, so perform a hard restart and try one more time.
_machine.Shutdown();
alreadyRetried = true;
}
}
}
}
