| Dir : /opt/sharedrads/guds_modules/deleters/ |
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| Dir : //opt/sharedrads/guds_modules/deleters/core.py |
"""Core Dump Module for GRUDS"""
import os
import re
import time
import string
import rads
from guds_modules.base import ModuleBase
REGEX = r".*\/core\.([0-9]+)$"
class Module(ModuleBase):
"""Core Dump Module for GRUDS"""
def run_module(self, homedir):
dumplist = self.find(homedir, type='f', regex=REGEX)
email = {} # no email
if not dumplist:
return email
# find newest dump
if len(dumplist) > 2:
newest = max(dumplist, key=os.path.getctime)
else:
newest = dumplist[0]
# get age of dump
age = int(time.time() - newest.stat().st_mtime)
# if less than 48 hours old, get the cause to email the cx
if age < 172800 and "mail" not in str(newest):
self.logger.info(
"%s is less than 48 hours old! Not deleted", newest
)
cause = get_cause(newest)
affected_dir = os.path.dirname(newest)
email = {
'template': 363 if rads.IMH_CLASS == 'hub' else 109,
'variable_1': affected_dir,
'variable_2': cause,
}
dumplist.remove(newest)
self.delete_items(dumplist)
return email
def parse_coredump(coredump, buffer=4):
with open(coredump, "rb") as dump:
result = ""
for char in dump.read():
if char in string.printable:
result += char
continue
if len(result) >= buffer:
yield result
result = ""
def get_cause(coredump):
filename = ""
try:
for line in parse_coredump(coredump):
if re.match("SCRIPT_FILENAME", line):
columns = line.split('=')
filename = columns[1]
except Exception:
return "unparseable coredump file"
return filename