Additional LVM logical volumes to be created and mounted.
Existing LVs will be resized.
These variables must be defined (defaults aren't provided):
lvm_vgname: LVM volume group for the logical volume
lvm_lvname: Logical volume name, use
[A-Aa-z0-9]+to avoid problems
lvm_lvmount: Where the partition should be mounted
lvm_lvsize: Size of the partition
lvm_lvfilesystem: filesystem for partitions which need to be formatted
lvm_shrink: Shrink if current size is higher than size requested (default: True)
lvm_lvopts: Logical volume creation options (default: None)