1 # -*- coding: utf-8 -*-
3 # Copyright 2012 GRNET S.A. All rights reserved.
5 # Redistribution and use in source and binary forms, with or
6 # without modification, are permitted provided that the following
9 # 1. Redistributions of source code must retain the above
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13 # 2. Redistributions in binary form must reproduce the above
14 # copyright notice, this list of conditions and the following
15 # disclaimer in the documentation and/or other materials
16 # provided with the distribution.
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19 # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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36 """This module hosts OS-specific code common to all Unix-like OSs."""
40 from image_creator.os_type import OSBase, sysprep
44 """OS class for Unix"""
45 sensitive_userdata = [
54 def _mountpoints(self):
55 """Return mountpoints in the correct order.
56 / should be mounted before /boot or /usr, /usr befor /usr/bin ...
58 mps = self.g.inspect_get_mountpoints(self.root)
61 if len(a[0]) > len(b[0]):
63 elif len(a[0]) == len(b[0]):
72 def _do_mount(self, readonly):
73 """Mount partitions in the correct order"""
75 critical_mpoints = ('/', '/etc', '/root', '/home', '/var')
77 mopts = 'ro' if readonly else 'rw'
78 for mp, dev in self._mountpoints():
80 self.g.mount_options(mopts, dev, mp)
81 except RuntimeError as msg:
82 if mp in critical_mpoints:
83 self.out.warn('unable to mount %s. Reason: %s' % (mp, msg))
86 self.out.warn('%s (ignored)' % msg)
91 def cleanup_cache(self, print_header=True):
92 """Remove all regular files under /var/cache"""
95 self.out.output('Removing files under /var/cache')
97 self._foreach_file('/var/cache', self.g.rm, ftype='r')
100 def cleanup_tmp(self, print_header=True):
101 """Remove all files under /tmp and /var/tmp"""
104 self.out.output('Removing files under /tmp and /var/tmp')
106 self._foreach_file('/tmp', self.g.rm_rf, maxdepth=1)
107 self._foreach_file('/var/tmp', self.g.rm_rf, maxdepth=1)
110 def cleanup_log(self, print_header=True):
111 """Empty all files under /var/log"""
114 self.out.output('Emptying all files under /var/log')
116 self._foreach_file('/var/log', self.g.truncate, ftype='r')
118 @sysprep(enabled=False)
119 def cleanup_mail(self, print_header=True):
120 """Remove all files under /var/mail and /var/spool/mail"""
123 self.out.output('Removing files under /var/mail & /var/spool/mail')
125 if self.g.is_dir('/var/spool/mail'):
126 self._foreach_file('/var/spool/mail', self.g.rm_rf, maxdepth=1)
128 self._foreach_file('/var/mail', self.g.rm_rf, maxdepth=1)
131 def cleanup_userdata(self, print_header=True):
132 """Delete sensitive userdata"""
135 if self.g.is_dir('/home/'):
136 homedirs += self._ls('/home/')
139 self.out.output("Removing sensitive user data under %s" %
142 action = self.g.rm_rf
143 if self._scrub_support:
144 action = self.g.scrub_file
146 self.out.warn("Sensitive data won't be scrubbed (not supported)")
147 for homedir in homedirs:
148 for data in self.sensitive_userdata:
149 fname = "%s/%s" % (homedir, data)
150 if self.g.is_file(fname):
152 elif self.g.is_dir(fname):
153 self._foreach_file(fname, action, ftype='r')
155 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :