Fix unable to access the virtual machine configuration error

pkg/vcenter/relocate_spec.go

@@ -10,6 +10,7 @@ import (
  "fmt"
  "github.com/vmware/govmomi/object"
  "github.com/vmware/govmomi/vim25/types"
+ "sort"
 )
 
 type RelocateSpec struct {
@@ -91,6 +92,15 @@ func (rs *RelocateSpec) Build(ctx context.Context) (*types.VirtualMachineRelocat
  })
  }
 
+ if len(diskMappings) == 0 {
+ return nil, fmt.Errorf("found 0 disk mappings for VM %s", rs.srcVM.Name)
+ }
+
+ // ensure first device is first in list - below we use that as the default datastore for the VM
+ sort.Slice(diskMappings, func(i, j int) bool {
+ return diskMappings[i].DiskId < diskMappings[j].DiskId
+ })
+
  adapterUpdater := NewAdapterUpdater(destinationFinder)
  var devicesToChange []types.BaseVirtualDeviceConfigSpec
  for sourceNetName, targetNetName := range rs.vmTargetSpec.Networks {
@@ -113,6 +123,7 @@ func (rs *RelocateSpec) Build(ctx context.Context) (*types.VirtualMachineRelocat
  spec := &types.VirtualMachineRelocateSpec{}
  spec.Host = &hostRef
  spec.Pool = poolRef
+ spec.Datastore = &diskMappings[0].Datastore
  spec.Disk = diskMappings
  spec.DeviceChange = devicesToChange