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Added config file CRC32 log

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deajan 2024-09-05 10:04:38 +02:00
parent 8da6e3b8cc
commit cc147bb7fd
1 changed files with 19 additions and 5 deletions
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24
npbackup/configuration.py
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@ -7,7 +7,7 @@ __intname__ = "npbackup.configuration"
__author__ = "Orsiris de Jong"
__copyright__ = "Copyright (C) 2022-2024 NetInvent"
__license__ = "GPL-3.0-only"
__build__ = "2024090101"
__build__ = "2024090401"
__version__ = "npbackup 3.0.0+"
MIN_CONF_VERSION = 3.0
@ -24,6 +24,7 @@ from ruamel.yaml.comments import CommentedMap
from logging import getLogger
import re
import platform
import zlib
from cryptidy import symmetric_encryption as enc
from ofunctions.random import random_string
from ofunctions.misc import replace_in_iterable, BytesConverter, iter_over_keys
@ -759,6 +760,20 @@ def get_group_config(
return group_config
def _get_config_file_checksum(config_file: Path) -> str:
"""
It's nice to log checksums of config file to see whenever it was changed
"""
with open(config_file, 'rb') as fh:
hash = 0
while True:
s = fh.read(65536)
if not s:
break
hash = zlib.crc32(s, hash)
return "%08X" % (hash & 0xFFFFFFFF)
def _load_config_file(config_file: Path) -> Union[bool, dict]:
"""
Checks whether config file is valid
@ -768,7 +783,7 @@ def _load_config_file(config_file: Path) -> Union[bool, dict]:
yaml = YAML(typ="rt")
full_config = yaml.load(file_handle)
if not full_config:
logger.critical("Config file seems empty !")
logger.critical(f"Config file {config_file} seems empty !")
return False
try:
conf_version = float(full_config.g("conf_version"))
@ -779,9 +794,10 @@ def _load_config_file(config_file: Path) -> Union[bool, dict]:
return False
except (AttributeError, TypeError):
logger.critical(
"Cannot read conf version from config file, which seems bogus"
f"Cannot read conf version from config file {config_file}, which seems bogus"
)
return False
logger.info(f"Loaded config {_get_config_file_checksum(config_file)} in {config_file.absolute()}")
return full_config
except OSError:
logger.critical(f"Cannot load configuration file from {config_file}")
@ -789,8 +805,6 @@ def _load_config_file(config_file: Path) -> Union[bool, dict]:
def load_config(config_file: Path) -> Optional[dict]:
logger.info(f"Loading configuration file {config_file}")
full_config = _load_config_file(config_file)
if not full_config:
return None