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lvmdbusd: Use common func. for checking missing LV keys

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This commit is contained in:
Tony Asleson 2022-09-08 15:38:31 -05:00
parent ed9072dad8
commit feaf46863b
4 changed files with 21 additions and 9 deletions
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6
daemons/lvmdbusd/lv.py
View File

@ -21,7 +21,7 @@ from .utils import n, n32, d
from .loader import common
from .state import State
from . import background
from .utils import round_size, mt_remove_dbus_objects
from .utils import round_size, mt_remove_dbus_objects, lvm_column_key
from .job import JobState
@ -136,9 +136,7 @@ def lvs_state_retrieve(selection, cache_refresh=True):
except KeyError as ke:
# Sometimes lvm omits returning one of the keys we requested.
key = ke.args[0]
if key.startswith("lv_") or key.startswith("vg_") or key.startswith("pool_") or \
key.endswith("_percent") or key.startswith("move_") or key.startswith("vdo_") or \
key in ["origin_uuid", "segtype", "origin", "data_lv", "metadata_lv"]:
if lvm_column_key(key):
raise LvmBug("missing JSON key: '%s'" % key)
raise ke
return rc

4
daemons/lvmdbusd/pv.py
View File

@ -14,7 +14,7 @@ import dbus
from .cfg import PV_INTERFACE
from . import cmdhandler
from .utils import vg_obj_path_generate, n, pv_obj_path_generate, \
lv_object_path_method, _handle_execute
lv_object_path_method, _handle_execute, lvm_column_key
from .loader import common
from .request import RequestEntry
from .state import State
@ -42,7 +42,7 @@ def pvs_state_retrieve(selection, cache_refresh=True):
except KeyError as ke:
# Sometimes lvm omits returning one of the keys we requested.
key = ke.args[0]
if key.startswith("pv") or key.startswith("vg") or (key in ['dev_size', 'pe_start']):
if lvm_column_key(key):
raise LvmBug("missing JSON key: '%s'" % key)
raise ke
return rc

15
daemons/lvmdbusd/utils.py
View File

@ -781,6 +781,21 @@ def extract_stack_trace(exception):
return ''.join(traceback.format_exception(None, exception, exception.__traceback__))
def lvm_column_key(key):
# Check LV
if key.startswith("lv_") or key.startswith("vg_") or key.startswith("pool_") or \
key.endswith("_percent") or key.startswith("move_") or key.startswith("vdo_") or \
key in ["origin_uuid", "segtype", "origin", "data_lv", "metadata_lv"]:
return True
# Check VG
if key.startswith("vg_") or key.startswith("lv_") or key.startswith("pv_") or \
key in ["max_lv", "max_pv", "snap_count"]:
return True
# Check PV
if key.startswith("pv") or key.startswith("vg") or (key in ['dev_size', 'pe_start']):
return True
return False
class LvmBug(RuntimeError):
"""
Things that are clearly a bug with lvm itself.

5
daemons/lvmdbusd/vg.py
View File

@ -20,7 +20,7 @@ from .request import RequestEntry
from .loader import common
from .state import State
from . import background
from .utils import round_size, mt_remove_dbus_objects, LvmBug
from .utils import round_size, mt_remove_dbus_objects, LvmBug, lvm_column_key
from .job import JobState
@ -46,8 +46,7 @@ def vgs_state_retrieve(selection, cache_refresh=True):
except KeyError as ke:
# Sometimes lvm omits returning one of the keys we requested.
key = ke.args[0]
if key.startswith("vg_") or key.startswith("lv_") or key.startswith("pv_") or \
key in ["max_lv", "max_pv", "snap_count"]:
if lvm_column_key(key):
raise LvmBug("missing JSON key: '%s'" % key)
raise ke
return rc