def verify(self, entry, modlist):
"""Verify device entry."""
ondisk = self._exists(entry)
if not ondisk:
return False
# attempt to verify device properties as specified in config
rv = True
dev_type = entry.get('dev_type')
if dev_type in ['block', 'char']:
major = int(entry.get('major'))
minor = int(entry.get('minor'))
if major != os.major(ondisk.st_rdev):
msg = ("Major number for device %s is incorrect. "
"Current major is %s but should be %s" %
(entry.get("name"), os.major(ondisk.st_rdev), major))
self.logger.debug('POSIX: ' + msg)
entry.set('qtext', entry.get('qtext', '') + "\n" + msg)
rv = False
if minor != os.minor(ondisk.st_rdev):
msg = ("Minor number for device %s is incorrect. "
"Current minor is %s but should be %s" %
(entry.get("name"), os.minor(ondisk.st_rdev), minor))
self.logger.debug('POSIX: ' + msg)
entry.set('qtext', entry.get('qtext', '') + "\n" + msg)
rv = False
return POSIXTool.verify(self, entry, modlist) and rv
def verify(self, entry, modlist):
ondisk = self._exists(entry)
if not ondisk:
return False
if not stat.S_ISDIR(ondisk[stat.ST_MODE]):
self.logger.info("POSIX: %s is not a directory" % entry.get('name'))
return False
pruneTrue = True
if entry.get('prune', 'false').lower() == 'true':
# check for any extra entries when prune='true' attribute is set
try:
extras = [os.path.join(entry.get('name'), ent)
for ent in os.listdir(entry.get('name'))
if os.path.join(entry.get('name'),
ent) not in modlist]
if extras:
pruneTrue = False
msg = "Directory %s contains extra entries: %s" % \
(entry.get('name'), "; ".join(extras))
self.logger.info("POSIX: " + msg)
entry.set('qtext', entry.get('qtext', '') + '\n' + msg)
for extra in extras:
Bcfg2.Client.XML.SubElement(entry, 'Prune', path=extra)
except OSError:
pruneTrue = True
return POSIXTool.verify(self, entry, modlist) and pruneTrue
def install(self, entry):
ondisk = self._exists(entry, remove=True)
if ondisk:
self.logger.info("POSIX: Symlink %s cleanup failed" %
entry.get('name'))
try:
os.symlink(entry.get('to'), entry.get('name'))
rv = True
except OSError:
err = sys.exc_info()[1]
self.logger.error("POSIX: Failed to create symlink %s to %s: %s" %
(entry.get('name'), entry.get('to'), err))
rv = False
return POSIXTool.install(self, entry) and rv
def install(self, entry):
"""Install device entries."""
if not os.path.exists(os.path.dirname(entry.get('name'))):
if not self._makedirs(entry,
path=os.path.dirname(entry.get('name'))):
return False
newfile = self._write_tmpfile(entry)
if not newfile:
return False
rv = self._set_perms(entry, path=newfile)
if not self._rename_tmpfile(newfile, entry):
return False
return POSIXTool.install(self, entry) and rv
def verify(self, entry, modlist):
rv = True
try:
if not os.path.samefile(entry.get('name'), entry.get('to')):
msg = "Hardlink %s is incorrect" % entry.get('name')
self.logger.debug("POSIX: " + msg)
entry.set('qtext', "\n".join([entry.get('qtext', ''), msg]))
rv = False
except OSError:
self.logger.debug("POSIX: %s %s does not exist" %
(entry.tag, entry.get("name")))
entry.set('current_exists', 'false')
return False
return POSIXTool.verify(self, entry, modlist) and rv
def install(self, entry):
"""Install device entries."""
fmode = self._exists(entry)
if fmode and not stat.S_ISDIR(fmode[stat.ST_MODE]):
self.logger.info("POSIX: Found a non-directory entry at %s, "
"removing" % entry.get('name'))
try:
os.unlink(entry.get('name'))
fmode = False
except OSError:
err = sys.exc_info()[1]
self.logger.error("POSIX: Failed to unlink %s: %s" %
(entry.get('name'), err))
return False
elif fmode:
self.logger.debug("POSIX: Found a pre-existing directory at %s" %
entry.get('name'))
rv = True
if not fmode:
rv &= self._makedirs(entry)
if entry.get('prune', 'false') == 'true':
ulfailed = False
for pent in entry.findall('Prune'):
pname = pent.get('path')
ulfailed = False
if os.path.isdir(pname):
rm = shutil.rmtree
else:
rm = os.unlink
try:
self.logger.debug("POSIX: Removing %s" % pname)
rm(pname)
except OSError:
err = sys.exc_info()[1]
self.logger.error("POSIX: Failed to unlink %s: %s" %
(pname, err))
ulfailed = True
if ulfailed:
# even if prune failed, we still want to install the
# entry to make sure that we get permissions and
# whatnot set
rv = False
return POSIXTool.install(self, entry) and rv
def install(self, entry):
if not self._exists(entry, remove=True):
try:
dev_type = entry.get('dev_type')
mode = device_map[dev_type] | int(entry.get('perms'), 8)
if dev_type in ['block', 'char']:
major = int(entry.get('major'))
minor = int(entry.get('minor'))
device = os.makedev(major, minor)
os.mknod(entry.get('name'), mode, device)
else:
os.mknod(entry.get('name'), mode)
except (KeyError, OSError, ValueError):
err = sys.exc_info()[1]
self.logger.error('POSIX: Failed to install %s: %s' %
(entry.get('name'), err))
return False
return POSIXTool.install(self, entry)
def verify(self, entry, modlist):
rv = True
try:
sloc = os.readlink(entry.get('name'))
if sloc != entry.get('to'):
entry.set('current_to', sloc)
msg = ("Symlink %s points to %s, should be %s" %
(entry.get('name'), sloc, entry.get('to')))
self.logger.debug("POSIX: " + msg)
entry.set('qtext', "\n".join([entry.get('qtext', ''), msg]))
rv = False
except OSError:
self.logger.debug("POSIX: %s %s does not exist" %
(entry.tag, entry.get("name")))
entry.set('current_exists', 'false')
return False
return POSIXTool.verify(self, entry, modlist) and rv
def verify(self, entry, modlist):
ondisk = self._exists(entry)
tempdata, is_binary = self._get_data(entry)
different = False
content = None
if not ondisk:
# first, see if the target file exists at all; if not,
# they're clearly different
different = True
content = ""
elif len(tempdata) != ondisk[stat.ST_SIZE]:
# next, see if the size of the target file is different
# from the size of the desired content
different = True
else:
# finally, read in the target file and compare them
# directly. comparison could be done with a checksum,
# which might be faster for big binary files, but slower
# for everything else
try:
content = open(entry.get('name')).read()
except IOError:
self.logger.error("POSIX: Failed to read %s: %s" %
(entry.get("name"), sys.exc_info()[1]))
return False
different = content != tempdata
if different:
self.logger.debug("POSIX: %s has incorrect contents" %
entry.get("name"))
self._get_diffs(
entry, interactive=self.setup['interactive'],
sensitive=entry.get('sensitive', 'false').lower() == 'true',
is_binary=is_binary, content=content)
return POSIXTool.verify(self, entry, modlist) and not different