Merge pull request #13 from cloudlinux/clos-2631-backport-xfs-fixes

Backport overlayfs creation approach from v19

Author: prilr

repos/system_upgrade/common/actors/targetuserspacecreator/libraries/userspacegen.py

@@ -739,11 +739,13 @@ def perform():
 
     indata = _InputData()
     prod_cert_path = _get_product_certificate_path()
+    reserve_space = overlaygen.get_recommended_leapp_free_space(_get_target_userspace())
     with overlaygen.create_source_overlay(
             mounts_dir=constants.MOUNTS_DIR,
             scratch_dir=constants.SCRATCH_DIR,
             storage_info=indata.storage_info,
-            xfs_info=indata.xfs_info) as overlay:
+            xfs_info=indata.xfs_info,
+            scratch_reserve=reserve_space) as overlay:
         with overlay.nspawn() as context:
             target_repoids = _gather_target_repositories(context, indata, prod_cert_path)
             _create_target_userspace(context, indata.packages, indata.files, target_repoids)

repos/system_upgrade/common/libraries/dnfplugin.py

@@ -361,12 +361,14 @@ def perform_transaction_install(target_userspace_info, storage_info, used_repos,
 
 @contextlib.contextmanager
 def _prepare_perform(used_repos, target_userspace_info, xfs_info, storage_info):
+    reserve_space = overlaygen.get_recommended_leapp_free_space(target_userspace_info.path)
     with _prepare_transaction(used_repos=used_repos,
                               target_userspace_info=target_userspace_info
                               ) as (context, target_repoids, userspace_info):
         with overlaygen.create_source_overlay(mounts_dir=userspace_info.mounts, scratch_dir=userspace_info.scratch,
                                               xfs_info=xfs_info, storage_info=storage_info,
-                                              mount_target=os.path.join(context.base_dir, 'installroot')) as overlay:
+                                              mount_target=os.path.join(context.base_dir, 'installroot'),
+                                              scratch_reserve=reserve_space) as overlay:
             yield context, overlay, target_repoids