private async Task AllocateSpace(ByteSize requiredSize)
{
Log.Verbose("Verifying the available space...");
Log.Verbose("We will need {Size} of free space for Windows", requiredSize);
var hasEnoughSpace = await phone.IsThereEnoughSpace(requiredSize);
if (!hasEnoughSpace)
{
Log.Verbose("There's not enough space in the phone. We will try to allocate it automatically");
var success = await spaceAllocators.ToObservable()
.Select(x => Observable.FromAsync(() => x.TryAllocate(phone, requiredSize)))
.Merge(1)
.Any(successful => successful);
if (!success)
{
Log.Verbose("Allocation attempt failed");
throw new NotEnoughSpaceException($"Could not allocate {requiredSize} on the phone. Please, try to allocate the necessary space manually and retry.");
}
Log.Verbose("Space allocated correctly");
}
else
{
Log.Verbose("We have enough available space to deploy Windows");
}
}
public async Task <bool> TryAllocate(IPhone phone, ByteSize requiredSpace)
{
Log.Verbose("Shrinking Data partition...");
var dataVolume = await phone.GetDataVolume();
if (dataVolume == null)
{
return(false);
}
var phoneDisk = await phone.GetDeviceDisk();
var data = dataVolume.Size;
var allocated = phoneDisk.AllocatedSize;
var available = phoneDisk.AvailableSize;
var newData = data - (requiredSpace - available);
Log.Verbose("Total size allocated: {Size}", allocated);
Log.Verbose("Space available: {Size}", available);
Log.Verbose("Space needed: {Size}", requiredSpace);
Log.Verbose("'Data' size: {Size}", data);
Log.Verbose("Calculated new size for the 'Data' partition: {Size}", newData);
Log.Verbose("Resizing 'Data' to {Size}", newData);
await dataVolume.Partition.Resize(newData);
Log.Verbose("Resize operation completed successfully");
return(await phone.IsThereEnoughSpace(requiredSpace));
}