+# -*- coding: utf-8 -*-
+#
# Copyright 2012 GRNET S.A. All rights reserved.
#
# Redistribution and use in source and binary forms, with or
# interpreted as representing official policies, either expressed
# or implied, of GRNET S.A.
+"""This module hosts OS-specific code common to all Unix-like OSs."""
+
import re
from image_creator.os_type import OSBase, sysprep
'.kamaki.history'
]
- def __init__(self, rootdev, ghandler, output):
- super(Unix, self).__init__(rootdev, ghandler, output)
+ def _mountpoints(self):
+ """Return mountpoints in the correct order.
+ / should be mounted before /boot or /usr, /usr befor /usr/bin ...
+ """
+ mps = self.g.inspect_get_mountpoints(self.root)
+
+ def compare(a, b):
+ if len(a[0]) > len(b[0]):
+ return 1
+ elif len(a[0]) == len(b[0]):
+ return 0
+ else:
+ return -1
+ mps.sort(compare)
+
+ for mp in mps:
+ yield mp
+
+ def _do_mount(self, readonly):
+ """Mount partitions in the correct order"""
+
+ critical_mpoints = ('/', '/etc', '/root', '/home', '/var')
+
+ mopts = 'ro' if readonly else 'rw'
+ for mp, dev in self._mountpoints():
+ try:
+ self.g.mount_options(mopts, dev, mp)
+ except RuntimeError as msg:
+ if mp in critical_mpoints:
+ self.out.warn('unable to mount %s. Reason: %s' % (mp, msg))
+ return False
+ else:
+ self.out.warn('%s (ignored)' % msg)
+
+ return True
@sysprep()
def cleanup_cache(self, print_header=True):
if print_header:
self.out.output('Removing files under /var/cache')
- self.foreach_file('/var/cache', self.g.rm, ftype='r')
+ self._foreach_file('/var/cache', self.g.rm, ftype='r')
@sysprep()
def cleanup_tmp(self, print_header=True):
if print_header:
self.out.output('Removing files under /tmp and /var/tmp')
- self.foreach_file('/tmp', self.g.rm_rf, maxdepth=1)
- self.foreach_file('/var/tmp', self.g.rm_rf, maxdepth=1)
+ self._foreach_file('/tmp', self.g.rm_rf, maxdepth=1)
+ self._foreach_file('/var/tmp', self.g.rm_rf, maxdepth=1)
@sysprep()
def cleanup_log(self, print_header=True):
if print_header:
self.out.output('Emptying all files under /var/log')
- self.foreach_file('/var/log', self.g.truncate, ftype='r')
+ self._foreach_file('/var/log', self.g.truncate, ftype='r')
@sysprep(enabled=False)
def cleanup_mail(self, print_header=True):
if print_header:
self.out.output('Removing files under /var/mail & /var/spool/mail')
- self.foreach_file('/var/spool/mail', self.g.rm_rf, maxdepth=1)
- self.foreach_file('/var/mail', self.g.rm_rf, maxdepth=1)
+ if self.g.is_dir('/var/spool/mail'):
+ self._foreach_file('/var/spool/mail', self.g.rm_rf, maxdepth=1)
+
+ self._foreach_file('/var/mail', self.g.rm_rf, maxdepth=1)
@sysprep()
def cleanup_userdata(self, print_header=True):
homedirs = ['/root']
if self.g.is_dir('/home/'):
- homedirs += self.ls('/home/')
+ homedirs += self._ls('/home/')
if print_header:
self.out.output("Removing sensitive user data under %s" %
" ".join(homedirs))
+ action = self.g.rm_rf
+ if self._scrub_support:
+ action = self.g.scrub_file
+ else:
+ self.out.warn("Sensitive data won't be scrubbed (not supported)")
for homedir in homedirs:
for data in self.sensitive_userdata:
fname = "%s/%s" % (homedir, data)
if self.g.is_file(fname):
- self.g.scrub_file(fname)
+ action(fname)
elif self.g.is_dir(fname):
- self.foreach_file(fname, self.g.scrub_file, ftype='r')
+ self._foreach_file(fname, action, ftype='r')
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