public override async Task <ControllerPublishVolumeResponse> ControllerPublishVolume(
ControllerPublishVolumeRequest request,
ServerCallContext context)
{
var response = new ControllerPublishVolumeResponse();
var id = request.VolumeId;
using (logger.BeginKeyValueScope("volume_id", id))
using (var _s = logger.StepInformation("{0}", nameof(ControllerPublishVolume)))
{
try
{
var ctx = new Helpers.Azure.DataProviderContext <ManagedDiskConfig>();
await contextConfig.Provide(ctx);
var actx = new AzureAuthConfigProviderContext {
Secrets = request.ControllerPublishSecrets
};
var setupService = setupServiceFactory.Create(provider.Provide(actx), ctx.Result.SubscriptionId);
var vmRid = ResourceId.FromString(request.NodeId);
var diskId = ResourceId.FromString(id);
var info = await setupService.AddAsync(vmRid, diskId);
response.PublishInfo.Add("lun", info.Lun.ToString());
}
catch (Exception ex)
{
logger.LogError(ex, "Exception in ControllerPublishVolume");
throw new RpcException(new Status(StatusCode.Internal, ex.Message));
}
_s.Commit();
}
return(response);
}
public override async Task <ControllerPublishVolumeResponse> ControllerPublishVolume(ControllerPublishVolumeRequest request, ServerCallContext context)
{
var shared = false;
if (request.Readonly)
{
throw new RpcException(new Status(StatusCode.InvalidArgument, string.Empty), "readonly attach no supported");
}
switch (request.VolumeCapability.AccessMode.Mode)
{
case VolumneAccessMode.SingleNodeWriter:
shared = false;
break;
default:
throw new RpcException(new Status(StatusCode.InvalidArgument, string.Empty),
"not supported volume access mode");
}
switch (request.VolumeCapability.AccessTypeCase)
{
case VolumeCapability.AccessTypeOneofCase.Mount:
//throw new RpcException(new Status(StatusCode.InvalidArgument, string.Empty),
// "not supported volume access type");
//maybe SMB3 FileServer support
//entry.Mount.MountFlags;
//entry.Mount.FsType;
break;
case VolumeCapability.AccessTypeOneofCase.Block:
break;
//case VolumeCapability.AccessTypeOneofCase.None:
default:
throw new RpcException(new Status(StatusCode.InvalidArgument, string.Empty),
"unknown volume access type");
}
//request.VolumeId
//request.VolumeContext
var foundVolume = await _service.GetVolumesAsync(new HypervVolumeFilter
{
Name = request.VolumeId,
Storage = request.VolumeContext["Storage"]
})
.FirstOrDefaultAsync(context.CancellationToken);
if (foundVolume is null)
{
throw new RpcException(new Status(StatusCode.NotFound, string.Empty),
"volume not found");
}
var vmId = Guid.Parse(request.NodeId);
//var volumePath = request.VolumeContext["Path"];
HypervVirtualMachineVolumeInfo vmVolume;
var flow = await _service.GetVolumeFlowsAsnyc(new HypervVolumeFlowFilter
{
VolumePath = foundVolume.Path
})
.FirstOrDefaultAsync(context.CancellationToken);
if (flow != null)
{
if (!shared && flow.VMId != vmId)
{
throw new RpcException(new Status(StatusCode.FailedPrecondition, string.Empty),
$"volume published on node[{flow.VMId}]");
}
//todo check shared volume_capability
vmVolume = await _service.GetVirtualMachineVolumesAsync(flow.VMId, new HypervVirtualMachineVolumeFilter
{
VolumePath = flow.Path,
Host = flow.Host
})
.FirstAsync(context.CancellationToken);
}
else
{
var volume = await _service.GetVolumeAsync(foundVolume.Path, null, context.CancellationToken);
if (shared != volume.Shared)
{
throw new RpcException(new Status(StatusCode.InvalidArgument, string.Empty),
"volume sharing ambiguous");
}
//maybe check volume.Attached=false
var vm = await _service.GetVirtualMachinesAsync(new HypervVirtualMachineFilter
{
Id = vmId
})
.FirstOrDefaultAsync(context.CancellationToken);
if (vm is null)
{
throw new RpcException(new Status(StatusCode.NotFound, string.Empty),
"node not found");
}
vmVolume = await _service.AttachVolumeAsync(new HypervAttachVolumeRequest
{
VMId = vm.Id,
VolumePath = volume.Path,
Host = vm.Host
},
context.CancellationToken);
}
//todo error:
//Volume published but is incompatible, 6 ALREADY_EXISTS
//Max volumes attached, 8 RESOURCE_EXHAUSTED
var rsp = new ControllerPublishVolumeResponse
{
};
rsp.PublishContext.Add("ControllerNumber", vmVolume.ControllerNumber.ToString());
rsp.PublishContext.Add("ControllerLocation", vmVolume.ControllerLocation.ToString());
return(rsp);
}
