private Task <PushFileResult> PushCheckpointFileAsync(OperationContext context, ContentHashWithSize hashWithSize)
{
return(context.PerformOperationAsync(Tracer, async() =>
{
var destinationMachineResult = _locationStore.GetRandomMachineLocation();
if (!destinationMachineResult.Succeeded)
{
return new PushFileResult(destinationMachineResult, "Failed to get a location to proactively copy the checkpoint file.");
}
var destionationMachine = destinationMachineResult.Value;
var streamResult = await PrivateCas.OpenStreamAsync(context, hashWithSize.Hash, pinRequest: null);
if (!streamResult.Succeeded)
{
return new PushFileResult(streamResult, "Should have been able to open the stream from the local CAS");
}
using var stream = streamResult.Stream !;
return await _copier.PushFileAsync(
context,
hashWithSize,
destionationMachine,
stream,
isInsideRing: false,
CopyReason.ProactiveCheckpointCopy,
ProactiveCopyLocationSource.Random,
attempt: 0);
},
