lvm_pv_move_data: new module (#10416)

* Added lvm_pv_move_data module

* Removed trailing whitespace

* Decreased loop devices file size

* Remove test VG if exists

* Force remove test VG if exists

* Renamed test VG and LV names

* Updated assert conditions

* Added .ansible to .gitignore

* Force extending VG

* Wiping LVM metadata from PVs before creating VG

* Clean FS, LV, VG and PSs before run

* Migrated to CmdRunner

* Added more detailed info in case of failure and cosmetic changes

* Remove redundant params from CmdRunner call

* Updates the RETURN documentation block to properly specify the return type
of the 'actions' field:
- Changes return status from 'always' to 'success'
- Adds missing 'elements: str' type specification

.github/BOTMETA.yml

@@ -903,6 +903,8 @@ files:
     maintainers: abulimov
   $modules/lvm_pv.py:
     maintainers: klention
+  $modules/lvm_pv_move_data.py:
+    maintainers: klention
   $modules/lvg_rename.py:
     maintainers: lszomor
   $modules/lvol.py: