add option for early lvm init

Signed-off-by: Zen <[email protected]>

Author: desultory

src/ugrd/fs/lvm.py

@@ -1,5 +1,5 @@
 __author__ = 'desultory'
-__version__ = '1.2.2'
+__version__ = '1.3.0'
 
 from zenlib.util import contains
 
@@ -11,6 +11,11 @@ def _process_lvm_multi(self, mapped_name: str, config: dict) -> None:
     self['lvm'][mapped_name] = config
 
 
+@contains('early_lvm')
+def early_init_lvm(self) -> None:
+    """ Returns bash lines to initialize LVM """
+    return init_lvm(self)
+
 @contains('lvm', "Skipping LVM initialization, no LVM configurations found.")
 def init_lvm(self) -> None:
     """ Returns bash lines to initialize LVM """

src/ugrd/fs/lvm.toml

@@ -3,8 +3,12 @@ binaries = ['pvscan', 'vgscan', 'vgchange', 'lvscan']
 [imports.config_processing]
 "ugrd.fs.lvm" = [ "_process_lvm_multi" ]
 
+[imports.init_early]
+"ugrd.fs.lvm" = [ "early_init_lvm" ]
+
 [imports.init_late]
 "ugrd.fs.lvm" = [ "init_lvm" ]
 
 [custom_parameters]
+early_lvm = "bool"  # Run an early lvm scan
 lvm = "dict"  # lvm configuration dict