256 lines
8.0 KiB
Python
256 lines
8.0 KiB
Python
import os
|
|
import stat
|
|
import shlex
|
|
import time
|
|
import subprocess
|
|
|
|
|
|
class LogMinerError(Exception):
|
|
pass
|
|
|
|
|
|
class LogMinerBaseClass(object):
|
|
"""Base class for LogMiner classes.
|
|
LogMiner object represents one file/command/function
|
|
to get useful information (log)."""
|
|
|
|
_name = "name"
|
|
_description = "Description"
|
|
_filename = "filename"
|
|
_prefer_separate_file = True
|
|
|
|
def __init__(self, logfile=None, *args, **kwargs):
|
|
"""@logfile open file object. This open file object will be used for
|
|
output generated during getlog() call."""
|
|
self.logfile = logfile
|
|
self._used = False
|
|
|
|
@classmethod
|
|
def get_filename(cls):
|
|
"""Suggested log filename."""
|
|
return cls._filename
|
|
|
|
@classmethod
|
|
def get_description(cls):
|
|
"""Log description."""
|
|
return cls._description
|
|
|
|
def set_logfile(self, logfile):
|
|
self.logfile = logfile
|
|
|
|
def _write_separator(self):
|
|
self.logfile.write('\n\n')
|
|
|
|
def _write_files(self, files):
|
|
if not isinstance(files, list):
|
|
files = [files]
|
|
|
|
if self._used:
|
|
self._write_separator()
|
|
self._used = True
|
|
|
|
for filename in files:
|
|
self.logfile.write('%s:\n' % filename)
|
|
try:
|
|
with open(filename, 'r') as f:
|
|
self.logfile.writelines(f)
|
|
self.logfile.write('\n')
|
|
except (IOError) as e:
|
|
self.logfile.write("Exception while opening: %s\n" % e)
|
|
continue
|
|
|
|
def _run_command(self, command):
|
|
if self._used:
|
|
self._write_separator()
|
|
self._used = True
|
|
|
|
if isinstance(command, basestring):
|
|
command = shlex.split(command)
|
|
|
|
proc = subprocess.Popen(command, stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE)
|
|
(out, err) = proc.communicate()
|
|
self.logfile.write('STDOUT:\n%s\n' % out)
|
|
self.logfile.write('STDERR:\n%s\n' % err)
|
|
self.logfile.write('RETURN CODE: %s\n' % proc.returncode)
|
|
|
|
def getlog(self):
|
|
"""Create log and write it to a file object
|
|
recieved in the constructor."""
|
|
self._action()
|
|
self._write_separator()
|
|
|
|
def _action(self):
|
|
raise NotImplementedError()
|
|
|
|
|
|
|
|
class AnacondaLogMiner(LogMinerBaseClass):
|
|
"""Class represents way to get Anaconda dump."""
|
|
|
|
_name = "anaconda_log"
|
|
_description = "Log dumped from Anaconda."
|
|
_filename = "anaconda-dump"
|
|
_prefer_separate_file = True
|
|
|
|
def _action(self):
|
|
# Actual state of /tmp
|
|
old_state = set(os.listdir('/tmp'))
|
|
|
|
# Tell Anaconda to dump itself
|
|
try:
|
|
anaconda_pid = open('/var/run/anaconda.pid').read().strip()
|
|
except (IOError):
|
|
raise LogMinerError("Anaconda pid file doesn't exists")
|
|
|
|
proc = subprocess.Popen(shlex.split("kill -s USR2 %s" % anaconda_pid),
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
proc.communicate()
|
|
if proc.returncode:
|
|
raise LogMinerError('Error while sending signal to Anaconda')
|
|
|
|
time.sleep(5)
|
|
|
|
# Check if new traceback file exists
|
|
new_state = set(os.listdir('/tmp'))
|
|
tbpfiles = list(new_state - old_state)
|
|
|
|
if not len(tbpfiles):
|
|
raise LogMinerError('Error: No anaconda traceback file exist')
|
|
|
|
for file in tbpfiles:
|
|
if file.startswith('anaconda-tb-'):
|
|
tbpfile_name = file
|
|
break
|
|
else:
|
|
raise LogMinerError('Error: No anaconda traceback file exist')
|
|
|
|
# Copy anaconda traceback log
|
|
self._write_files('/tmp/%s' % tbpfile_name)
|
|
|
|
|
|
|
|
class FileSystemLogMiner(LogMinerBaseClass):
|
|
"""Class represents way to get image of filesystem structure."""
|
|
|
|
_name = "filesystem"
|
|
_description = "Image of disc structure."
|
|
_filename = "filesystem"
|
|
_prefer_separate_file = True
|
|
|
|
FSTREE_FORMAT = "%1s %6s%1s %s" # Format example: "d 1023.9K somedir"
|
|
DADPOINT = 1 # Number of Digits After the Decimal POINT
|
|
|
|
def _action(self):
|
|
self._get_tree_structure()
|
|
|
|
def _size_conversion(self, size):
|
|
"""Converts bytes into KB, MB or GB"""
|
|
if size >= 1073741824: # Gigabytes
|
|
size = round(size / 1073741824.0, self.DADPOINT)
|
|
unit = "G"
|
|
elif size >= 1048576: # Megabytes
|
|
size = round(size / 1048576.0, self.DADPOINT)
|
|
unit = "M"
|
|
elif size >= 1024: # Kilobytes
|
|
size = round(size / 1024.0, self.DADPOINT)
|
|
unit = "K"
|
|
else:
|
|
size = size
|
|
unit = ""
|
|
return size, unit
|
|
|
|
|
|
def _get_tree_structure(self, human_readable=True):
|
|
"""Creates filesystem structure image."""
|
|
white_list = ['/sys']
|
|
|
|
logfile = self.logfile
|
|
|
|
for path, dirs, files in os.walk('/'):
|
|
line = "\n%s:" % (path)
|
|
logfile.write('%s\n' % line)
|
|
|
|
# List dirs
|
|
dirs.sort()
|
|
for directory in dirs:
|
|
fullpath = os.path.join(path, directory)
|
|
size = os.path.getsize(fullpath)
|
|
unit = ""
|
|
if human_readable:
|
|
size, unit = self._size_conversion(size)
|
|
line = self.FSTREE_FORMAT % ("d", size, unit, directory)
|
|
logfile.write('%s\n' % line)
|
|
|
|
# Skip mounted directories
|
|
original_dirs = dirs[:]
|
|
for directory in original_dirs:
|
|
dirpath = os.path.join(path, directory)
|
|
if os.path.ismount(dirpath) and not dirpath in white_list:
|
|
dirs.remove(directory)
|
|
|
|
# List files
|
|
files.sort()
|
|
for filename in files:
|
|
fullpath = os.path.join(path, filename)
|
|
if os.path.islink(fullpath):
|
|
line = self.FSTREE_FORMAT % ("l", "0", "", filename)
|
|
line += " -> %s" % os.path.realpath(fullpath)
|
|
if not os.path.isfile(fullpath):
|
|
# Broken symlink
|
|
line += " (Broken)"
|
|
else:
|
|
stat_res = os.stat(fullpath)[stat.ST_MODE]
|
|
if stat.S_ISREG(stat_res):
|
|
filetype = "-"
|
|
elif stat.S_ISCHR(stat_res):
|
|
filetype = "c"
|
|
elif stat.S_ISBLK(stat_res):
|
|
filetype = "b"
|
|
elif stat.S_ISFIFO(stat_res):
|
|
filetype = "p"
|
|
elif stat.S_ISSOCK(stat_res):
|
|
filetype = "s"
|
|
else:
|
|
filetype = "-"
|
|
|
|
size = os.path.getsize(fullpath)
|
|
unit = ""
|
|
if human_readable:
|
|
size, unit = self._size_conversion(size)
|
|
line = self.FSTREE_FORMAT % (filetype, size, unit, filename)
|
|
logfile.write('%s\n' % line)
|
|
|
|
|
|
|
|
class DmSetupLsLogMiner(LogMinerBaseClass):
|
|
"""Class represents way to get 'dmsetup ls --tree' output."""
|
|
|
|
_name = "dmsetup ls"
|
|
_description = "Output from \"dmsetup ls --tree\"."
|
|
_filename = "dmsetup-ls"
|
|
_prefer_separate_file = True
|
|
|
|
def _action(self):
|
|
self._run_command("dmsetup ls --tree")
|
|
|
|
|
|
class DmSetupInfoLogMiner(LogMinerBaseClass):
|
|
"""Class represents way to get 'dmsetup info' output."""
|
|
|
|
_name = "dmsetup info"
|
|
_description = "Output from \"dmsetup info -c\"."
|
|
_filename = "dmsetup-info"
|
|
_prefer_separate_file = True
|
|
|
|
def _action(self):
|
|
self._run_command("dmsetup info -c")
|
|
|
|
|
|
ALL_MINERS = [AnacondaLogMiner(),
|
|
FileSystemLogMiner(),
|
|
DmSetupLsLogMiner(),
|
|
DmSetupInfoLogMiner(),
|
|
]
|
|
|