root / image_creator / os_type / linux.py @ f63e359f
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1 | 121f3bc0 | Nikos Skalkotos | # -*- coding: utf-8 -*-
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2 | 121f3bc0 | Nikos Skalkotos | #
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3 | ae48a082 | Nikos Skalkotos | # Copyright 2012 GRNET S.A. All rights reserved.
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4 | ae48a082 | Nikos Skalkotos | #
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5 | ae48a082 | Nikos Skalkotos | # Redistribution and use in source and binary forms, with or
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6 | ae48a082 | Nikos Skalkotos | # without modification, are permitted provided that the following
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7 | ae48a082 | Nikos Skalkotos | # conditions are met:
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8 | ae48a082 | Nikos Skalkotos | #
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9 | ae48a082 | Nikos Skalkotos | # 1. Redistributions of source code must retain the above
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10 | ae48a082 | Nikos Skalkotos | # copyright notice, this list of conditions and the following
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11 | ae48a082 | Nikos Skalkotos | # disclaimer.
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12 | ae48a082 | Nikos Skalkotos | #
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13 | ae48a082 | Nikos Skalkotos | # 2. Redistributions in binary form must reproduce the above
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14 | ae48a082 | Nikos Skalkotos | # copyright notice, this list of conditions and the following
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15 | ae48a082 | Nikos Skalkotos | # disclaimer in the documentation and/or other materials
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16 | ae48a082 | Nikos Skalkotos | # provided with the distribution.
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17 | ae48a082 | Nikos Skalkotos | #
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18 | ae48a082 | Nikos Skalkotos | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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19 | ae48a082 | Nikos Skalkotos | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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20 | ae48a082 | Nikos Skalkotos | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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21 | ae48a082 | Nikos Skalkotos | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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22 | ae48a082 | Nikos Skalkotos | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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23 | ae48a082 | Nikos Skalkotos | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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24 | ae48a082 | Nikos Skalkotos | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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25 | ae48a082 | Nikos Skalkotos | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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26 | ae48a082 | Nikos Skalkotos | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 | ae48a082 | Nikos Skalkotos | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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28 | ae48a082 | Nikos Skalkotos | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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29 | ae48a082 | Nikos Skalkotos | # POSSIBILITY OF SUCH DAMAGE.
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30 | ae48a082 | Nikos Skalkotos | #
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31 | ae48a082 | Nikos Skalkotos | # The views and conclusions contained in the software and
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32 | ae48a082 | Nikos Skalkotos | # documentation are those of the authors and should not be
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33 | ae48a082 | Nikos Skalkotos | # interpreted as representing official policies, either expressed
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34 | ae48a082 | Nikos Skalkotos | # or implied, of GRNET S.A.
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35 | ae48a082 | Nikos Skalkotos | |
36 | 121f3bc0 | Nikos Skalkotos | """This module hosts OS-specific code for Linux"""
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37 | 121f3bc0 | Nikos Skalkotos | |
38 | f165adc0 | Nikos Skalkotos | from image_creator.os_type.unix import Unix, sysprep |
39 | 22a6d232 | Nikos Skalkotos | |
40 | a83f5185 | Nikos Skalkotos | import re |
41 | 3f70f242 | Nikos Skalkotos | import time |
42 | aa2062ba | Nikos Skalkotos | |
43 | 8c574358 | Nikos Skalkotos | |
44 | aa2062ba | Nikos Skalkotos | class Linux(Unix): |
45 | 88f83027 | Nikos Skalkotos | """OS class for Linux"""
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46 | 0eac0256 | Nikos Skalkotos | def __init__(self, image, **kargs): |
47 | 0eac0256 | Nikos Skalkotos | super(Linux, self).__init__(image, **kargs) |
48 | a83f5185 | Nikos Skalkotos | self._uuid = dict() |
49 | a83f5185 | Nikos Skalkotos | self._persistent = re.compile('/dev/[hsv]d[a-z][1-9]*') |
50 | a83f5185 | Nikos Skalkotos | |
51 | b8d4b14a | Nikos Skalkotos | @sysprep('Removing user accounts with id greater that 1000', enabled=False) |
52 | b8d4b14a | Nikos Skalkotos | def remove_user_accounts(self): |
53 | 2dcd42b7 | Nikos Skalkotos | """Remove all user accounts with id greater than 1000"""
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54 | 2dcd42b7 | Nikos Skalkotos | |
55 | 2dcd42b7 | Nikos Skalkotos | if 'USERS' not in self.meta: |
56 | 2dcd42b7 | Nikos Skalkotos | return
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57 | 2dcd42b7 | Nikos Skalkotos | |
58 | 2dcd42b7 | Nikos Skalkotos | # Remove users from /etc/passwd
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59 | 2dcd42b7 | Nikos Skalkotos | passwd = [] |
60 | 2dcd42b7 | Nikos Skalkotos | removed_users = {} |
61 | 2dcd42b7 | Nikos Skalkotos | metadata_users = self.meta['USERS'].split() |
62 | 091c0335 | Nikos Skalkotos | for line in self.image.g.cat('/etc/passwd').splitlines(): |
63 | 2dcd42b7 | Nikos Skalkotos | fields = line.split(':')
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64 | 2dcd42b7 | Nikos Skalkotos | if int(fields[2]) > 1000: |
65 | 2dcd42b7 | Nikos Skalkotos | removed_users[fields[0]] = fields
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66 | 2dcd42b7 | Nikos Skalkotos | # remove it from the USERS metadata too
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67 | 2dcd42b7 | Nikos Skalkotos | if fields[0] in metadata_users: |
68 | 2dcd42b7 | Nikos Skalkotos | metadata_users.remove(fields[0])
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69 | 2dcd42b7 | Nikos Skalkotos | else:
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70 | 2dcd42b7 | Nikos Skalkotos | passwd.append(':'.join(fields))
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71 | 2dcd42b7 | Nikos Skalkotos | |
72 | 2dcd42b7 | Nikos Skalkotos | self.meta['USERS'] = " ".join(metadata_users) |
73 | 2dcd42b7 | Nikos Skalkotos | |
74 | 2dcd42b7 | Nikos Skalkotos | # Delete the USERS metadata if empty
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75 | 2dcd42b7 | Nikos Skalkotos | if not len(self.meta['USERS']): |
76 | 2dcd42b7 | Nikos Skalkotos | del self.meta['USERS'] |
77 | 2dcd42b7 | Nikos Skalkotos | |
78 | 091c0335 | Nikos Skalkotos | self.image.g.write('/etc/passwd', '\n'.join(passwd) + '\n') |
79 | 2dcd42b7 | Nikos Skalkotos | |
80 | 2dcd42b7 | Nikos Skalkotos | # Remove the corresponding /etc/shadow entries
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81 | 2dcd42b7 | Nikos Skalkotos | shadow = [] |
82 | 091c0335 | Nikos Skalkotos | for line in self.image.g.cat('/etc/shadow').splitlines(): |
83 | 2dcd42b7 | Nikos Skalkotos | fields = line.split(':')
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84 | 2dcd42b7 | Nikos Skalkotos | if fields[0] not in removed_users: |
85 | 2dcd42b7 | Nikos Skalkotos | shadow.append(':'.join(fields))
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86 | 2dcd42b7 | Nikos Skalkotos | |
87 | 091c0335 | Nikos Skalkotos | self.image.g.write('/etc/shadow', "\n".join(shadow) + '\n') |
88 | 2dcd42b7 | Nikos Skalkotos | |
89 | 2dcd42b7 | Nikos Skalkotos | # Remove the corresponding /etc/group entries
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90 | 2dcd42b7 | Nikos Skalkotos | group = [] |
91 | 091c0335 | Nikos Skalkotos | for line in self.image.g.cat('/etc/group').splitlines(): |
92 | 2dcd42b7 | Nikos Skalkotos | fields = line.split(':')
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93 | 2dcd42b7 | Nikos Skalkotos | # Remove groups tha have the same name as the removed users
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94 | 2dcd42b7 | Nikos Skalkotos | if fields[0] not in removed_users: |
95 | 2dcd42b7 | Nikos Skalkotos | group.append(':'.join(fields))
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96 | 2dcd42b7 | Nikos Skalkotos | |
97 | 091c0335 | Nikos Skalkotos | self.image.g.write('/etc/group', '\n'.join(group) + '\n') |
98 | 2dcd42b7 | Nikos Skalkotos | |
99 | 2dcd42b7 | Nikos Skalkotos | # Remove home directories
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100 | 2dcd42b7 | Nikos Skalkotos | for home in [field[5] for field in removed_users.values()]: |
101 | 091c0335 | Nikos Skalkotos | if self.image.g.is_dir(home) and home.startswith('/home/'): |
102 | 091c0335 | Nikos Skalkotos | self.image.g.rm_rf(home)
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103 | 2dcd42b7 | Nikos Skalkotos | |
104 | b8d4b14a | Nikos Skalkotos | @sysprep('Cleaning up password & locking all user accounts') |
105 | b8d4b14a | Nikos Skalkotos | def cleanup_passwords(self): |
106 | 2dcd42b7 | Nikos Skalkotos | """Remove all passwords and lock all user accounts"""
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107 | 2dcd42b7 | Nikos Skalkotos | |
108 | 2dcd42b7 | Nikos Skalkotos | shadow = [] |
109 | 2dcd42b7 | Nikos Skalkotos | |
110 | 091c0335 | Nikos Skalkotos | for line in self.image.g.cat('/etc/shadow').splitlines(): |
111 | 2dcd42b7 | Nikos Skalkotos | fields = line.split(':')
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112 | 2dcd42b7 | Nikos Skalkotos | if fields[1] not in ('*', '!'): |
113 | 2dcd42b7 | Nikos Skalkotos | fields[1] = '!' |
114 | 2dcd42b7 | Nikos Skalkotos | |
115 | 2dcd42b7 | Nikos Skalkotos | shadow.append(":".join(fields))
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116 | 2dcd42b7 | Nikos Skalkotos | |
117 | 091c0335 | Nikos Skalkotos | self.image.g.write('/etc/shadow', "\n".join(shadow) + '\n') |
118 | 2dcd42b7 | Nikos Skalkotos | |
119 | 7b626c6b | Nikos Skalkotos | # Remove backup file for /etc/shadow
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120 | 7b626c6b | Nikos Skalkotos | self.image.g.rm_rf('/etc/shadow-') |
121 | 7b626c6b | Nikos Skalkotos | |
122 | b8d4b14a | Nikos Skalkotos | @sysprep('Fixing acpid powerdown action') |
123 | b8d4b14a | Nikos Skalkotos | def fix_acpid(self): |
124 | d144e954 | Nikos Skalkotos | """Replace acpid powerdown action scripts to immediately shutdown the
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125 | d144e954 | Nikos Skalkotos | system without checking if a GUI is running.
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126 | 9cbb5794 | Nikos Skalkotos | """
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127 | 22a6d232 | Nikos Skalkotos | |
128 | 3f70f242 | Nikos Skalkotos | powerbtn_action = '#!/bin/sh\n\nPATH=/sbin:/bin:/usr/bin\n' \
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129 | f99fe99d | Nikos Skalkotos | 'shutdown -h now "Power button pressed"\n'
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130 | 3f70f242 | Nikos Skalkotos | |
131 | 3f70f242 | Nikos Skalkotos | events_dir = '/etc/acpi/events'
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132 | 091c0335 | Nikos Skalkotos | if not self.image.g.is_dir(events_dir): |
133 | e77e66a9 | Nikos Skalkotos | self.out.warn("No acpid event directory found") |
134 | 3f70f242 | Nikos Skalkotos | return
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135 | 3f70f242 | Nikos Skalkotos | |
136 | 3f70f242 | Nikos Skalkotos | event_exp = re.compile('event=(.+)', re.I)
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137 | 3f70f242 | Nikos Skalkotos | action_exp = re.compile('action=(.+)', re.I)
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138 | 091c0335 | Nikos Skalkotos | for events_file in self.image.g.readdir(events_dir): |
139 | 121f3bc0 | Nikos Skalkotos | if events_file['ftyp'] != 'r': |
140 | 3f70f242 | Nikos Skalkotos | continue
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141 | 3f70f242 | Nikos Skalkotos | |
142 | 121f3bc0 | Nikos Skalkotos | fullpath = "%s/%s" % (events_dir, events_file['name']) |
143 | 3f70f242 | Nikos Skalkotos | event = ""
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144 | 3f70f242 | Nikos Skalkotos | action = ""
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145 | 091c0335 | Nikos Skalkotos | for line in self.image.g.cat(fullpath).splitlines(): |
146 | 121f3bc0 | Nikos Skalkotos | match = event_exp.match(line) |
147 | 121f3bc0 | Nikos Skalkotos | if match:
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148 | 121f3bc0 | Nikos Skalkotos | event = match.group(1)
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149 | 3f70f242 | Nikos Skalkotos | continue
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150 | 121f3bc0 | Nikos Skalkotos | match = action_exp.match(line) |
151 | 121f3bc0 | Nikos Skalkotos | if match:
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152 | 121f3bc0 | Nikos Skalkotos | action = match.group(1)
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153 | 3f70f242 | Nikos Skalkotos | continue
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154 | 3f70f242 | Nikos Skalkotos | |
155 | c0f3abdc | Nikos Skalkotos | if event.strip() in ("button[ /]power", "button/power.*"): |
156 | 3f70f242 | Nikos Skalkotos | if action:
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157 | 091c0335 | Nikos Skalkotos | if not self.image.g.is_file(action): |
158 | e77e66a9 | Nikos Skalkotos | self.out.warn("Acpid action file: %s does not exist" % |
159 | f99fe99d | Nikos Skalkotos | action) |
160 | 3f70f242 | Nikos Skalkotos | return
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161 | ec8b2a79 | Nikos Skalkotos | self.image.g.copy_file_to_file(
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162 | ec8b2a79 | Nikos Skalkotos | action, "%s.orig.snf-image-creator-%d" %
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163 | ec8b2a79 | Nikos Skalkotos | (action, time.time())) |
164 | 091c0335 | Nikos Skalkotos | self.image.g.write(action, powerbtn_action)
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165 | 3f70f242 | Nikos Skalkotos | return
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166 | 3f70f242 | Nikos Skalkotos | else:
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167 | f99fe99d | Nikos Skalkotos | self.out.warn("Acpid event file %s does not contain and " |
168 | f99fe99d | Nikos Skalkotos | "action")
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169 | 3f70f242 | Nikos Skalkotos | return
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170 | 3f70f242 | Nikos Skalkotos | elif event.strip() == ".*": |
171 | f99fe99d | Nikos Skalkotos | self.out.warn("Found action `.*'. Don't know how to handle " |
172 | f99fe99d | Nikos Skalkotos | "this. Please edit `%s' image file manually to "
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173 | f99fe99d | Nikos Skalkotos | "make the system immediatelly shutdown when an "
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174 | f99fe99d | Nikos Skalkotos | "power button acpi event occures." %
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175 | f99fe99d | Nikos Skalkotos | action.strip().split()[0])
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176 | 3f70f242 | Nikos Skalkotos | return
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177 | 3f70f242 | Nikos Skalkotos | |
178 | c0f3abdc | Nikos Skalkotos | self.out.warn("No acpi power button event found!") |
179 | c0f3abdc | Nikos Skalkotos | |
180 | b8d4b14a | Nikos Skalkotos | @sysprep('Removing persistent network interface names') |
181 | b8d4b14a | Nikos Skalkotos | def remove_persistent_net_rules(self): |
182 | 9cbb5794 | Nikos Skalkotos | """Remove udev rules that will keep network interface names persistent
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183 | 9cbb5794 | Nikos Skalkotos | after hardware changes and reboots. Those rules will be created again
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184 | 9cbb5794 | Nikos Skalkotos | the next time the image runs.
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185 | 9cbb5794 | Nikos Skalkotos | """
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186 | 22a6d232 | Nikos Skalkotos | |
187 | 9cbb5794 | Nikos Skalkotos | rule_file = '/etc/udev/rules.d/70-persistent-net.rules'
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188 | 091c0335 | Nikos Skalkotos | if self.image.g.is_file(rule_file): |
189 | 091c0335 | Nikos Skalkotos | self.image.g.rm(rule_file)
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190 | 9cbb5794 | Nikos Skalkotos | |
191 | b8d4b14a | Nikos Skalkotos | @sysprep('Removing swap entry from fstab') |
192 | b8d4b14a | Nikos Skalkotos | def remove_swap_entry(self): |
193 | 4a2fd05c | Nikos Skalkotos | """Remove swap entry from /etc/fstab. If swap is the last partition
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194 | 4a2fd05c | Nikos Skalkotos | then the partition will be removed when shrinking is performed. If the
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195 | 4a2fd05c | Nikos Skalkotos | swap partition is not the last partition in the disk or if you are not
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196 | 4a2fd05c | Nikos Skalkotos | going to shrink the image you should probably disable this.
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197 | 4a2fd05c | Nikos Skalkotos | """
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198 | 4a2fd05c | Nikos Skalkotos | |
199 | 4a2fd05c | Nikos Skalkotos | new_fstab = ""
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200 | 091c0335 | Nikos Skalkotos | fstab = self.image.g.cat('/etc/fstab') |
201 | 4a2fd05c | Nikos Skalkotos | for line in fstab.splitlines(): |
202 | 4a2fd05c | Nikos Skalkotos | |
203 | 4a2fd05c | Nikos Skalkotos | entry = line.split('#')[0].strip().split() |
204 | 4a2fd05c | Nikos Skalkotos | if len(entry) == 6 and entry[2] == 'swap': |
205 | 4a2fd05c | Nikos Skalkotos | continue
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206 | 4a2fd05c | Nikos Skalkotos | |
207 | 4a2fd05c | Nikos Skalkotos | new_fstab += "%s\n" % line
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208 | 4a2fd05c | Nikos Skalkotos | |
209 | 091c0335 | Nikos Skalkotos | self.image.g.write('/etc/fstab', new_fstab) |
210 | 4a2fd05c | Nikos Skalkotos | |
211 | b8d4b14a | Nikos Skalkotos | @sysprep('Replacing fstab & grub non-persistent device references') |
212 | b8d4b14a | Nikos Skalkotos | def use_persistent_block_device_names(self): |
213 | f165adc0 | Nikos Skalkotos | """Scan fstab & grub configuration files and replace all non-persistent
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214 | dcf9274b | Vangelis Koukis | device references with UUIDs.
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215 | 9cbb5794 | Nikos Skalkotos | """
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216 | 22a6d232 | Nikos Skalkotos | |
217 | a83f5185 | Nikos Skalkotos | # convert all devices in fstab to persistent
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218 | a83f5185 | Nikos Skalkotos | persistent_root = self._persistent_fstab()
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219 | a83f5185 | Nikos Skalkotos | |
220 | a83f5185 | Nikos Skalkotos | # convert all devices in grub1 to persistent
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221 | a83f5185 | Nikos Skalkotos | self._persistent_grub1(persistent_root)
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222 | a83f5185 | Nikos Skalkotos | |
223 | 9cbb5794 | Nikos Skalkotos | def _persistent_grub1(self, new_root): |
224 | 121f3bc0 | Nikos Skalkotos | """Replaces non-persistent device name occurencies with persistent
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225 | 121f3bc0 | Nikos Skalkotos | ones in GRUB1 configuration files.
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226 | 121f3bc0 | Nikos Skalkotos | """
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227 | 091c0335 | Nikos Skalkotos | if self.image.g.is_file('/boot/grub/menu.lst'): |
228 | a83f5185 | Nikos Skalkotos | grub1 = '/boot/grub/menu.lst'
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229 | 091c0335 | Nikos Skalkotos | elif self.image.g.is_file('/etc/grub.conf'): |
230 | a83f5185 | Nikos Skalkotos | grub1 = '/etc/grub.conf'
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231 | a83f5185 | Nikos Skalkotos | else:
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232 | a83f5185 | Nikos Skalkotos | return
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233 | a83f5185 | Nikos Skalkotos | |
234 | 091c0335 | Nikos Skalkotos | self.image.g.aug_init('/', 0) |
235 | a83f5185 | Nikos Skalkotos | try:
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236 | 091c0335 | Nikos Skalkotos | roots = self.image.g.aug_match(
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237 | 091c0335 | Nikos Skalkotos | '/files%s/title[*]/kernel/root' % grub1)
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238 | a83f5185 | Nikos Skalkotos | for root in roots: |
239 | 091c0335 | Nikos Skalkotos | dev = self.image.g.aug_get(root)
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240 | 121f3bc0 | Nikos Skalkotos | if not self._is_persistent(dev): |
241 | a83f5185 | Nikos Skalkotos | # This is not always correct. Grub may contain root entries
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242 | a83f5185 | Nikos Skalkotos | # for other systems, but we only support 1 OS per hard
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243 | a83f5185 | Nikos Skalkotos | # disk, so this shouldn't harm.
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244 | 091c0335 | Nikos Skalkotos | self.image.g.aug_set(root, new_root)
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245 | a83f5185 | Nikos Skalkotos | finally:
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246 | 091c0335 | Nikos Skalkotos | self.image.g.aug_save()
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247 | 091c0335 | Nikos Skalkotos | self.image.g.aug_close()
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248 | a83f5185 | Nikos Skalkotos | |
249 | a83f5185 | Nikos Skalkotos | def _persistent_fstab(self): |
250 | 121f3bc0 | Nikos Skalkotos | """Replaces non-persistent device name occurencies in /etc/fstab with
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251 | 121f3bc0 | Nikos Skalkotos | persistent ones.
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252 | 121f3bc0 | Nikos Skalkotos | """
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253 | 091c0335 | Nikos Skalkotos | mpoints = self.image.g.mountpoints()
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254 | a83f5185 | Nikos Skalkotos | if len(mpoints) == 0: |
255 | a83f5185 | Nikos Skalkotos | pass # TODO: error handling |
256 | a83f5185 | Nikos Skalkotos | |
257 | a83f5185 | Nikos Skalkotos | device_dict = dict([[mpoint, dev] for dev, mpoint in mpoints]) |
258 | a83f5185 | Nikos Skalkotos | |
259 | a83f5185 | Nikos Skalkotos | root_dev = None
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260 | a83f5185 | Nikos Skalkotos | new_fstab = ""
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261 | 091c0335 | Nikos Skalkotos | fstab = self.image.g.cat('/etc/fstab') |
262 | a83f5185 | Nikos Skalkotos | for line in fstab.splitlines(): |
263 | a83f5185 | Nikos Skalkotos | |
264 | a83f5185 | Nikos Skalkotos | line, dev, mpoint = self._convert_fstab_line(line, device_dict)
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265 | a83f5185 | Nikos Skalkotos | new_fstab += "%s\n" % line
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266 | a83f5185 | Nikos Skalkotos | |
267 | a83f5185 | Nikos Skalkotos | if mpoint == '/': |
268 | a83f5185 | Nikos Skalkotos | root_dev = dev |
269 | a83f5185 | Nikos Skalkotos | |
270 | 091c0335 | Nikos Skalkotos | self.image.g.write('/etc/fstab', new_fstab) |
271 | a83f5185 | Nikos Skalkotos | if root_dev is None: |
272 | a83f5185 | Nikos Skalkotos | pass # TODO: error handling |
273 | a83f5185 | Nikos Skalkotos | |
274 | a83f5185 | Nikos Skalkotos | return root_dev
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275 | a83f5185 | Nikos Skalkotos | |
276 | a83f5185 | Nikos Skalkotos | def _convert_fstab_line(self, line, devices): |
277 | 121f3bc0 | Nikos Skalkotos | """Replace non-persistent device names in an fstab line to their UUID
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278 | 121f3bc0 | Nikos Skalkotos | equivalent
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279 | 121f3bc0 | Nikos Skalkotos | """
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280 | a83f5185 | Nikos Skalkotos | orig = line |
281 | a83f5185 | Nikos Skalkotos | line = line.split('#')[0].strip() |
282 | a83f5185 | Nikos Skalkotos | if len(line) == 0: |
283 | a83f5185 | Nikos Skalkotos | return orig, "", "" |
284 | a83f5185 | Nikos Skalkotos | |
285 | a83f5185 | Nikos Skalkotos | entry = line.split() |
286 | a83f5185 | Nikos Skalkotos | if len(entry) != 6: |
287 | e77e66a9 | Nikos Skalkotos | self.out.warn("Detected abnormal entry in fstab") |
288 | a83f5185 | Nikos Skalkotos | return orig, "", "" |
289 | a83f5185 | Nikos Skalkotos | |
290 | a83f5185 | Nikos Skalkotos | dev = entry[0]
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291 | a83f5185 | Nikos Skalkotos | mpoint = entry[1]
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292 | a83f5185 | Nikos Skalkotos | |
293 | 121f3bc0 | Nikos Skalkotos | if not self._is_persistent(dev): |
294 | a83f5185 | Nikos Skalkotos | if mpoint in devices: |
295 | 121f3bc0 | Nikos Skalkotos | dev = "UUID=%s" % self._get_uuid(devices[mpoint]) |
296 | a83f5185 | Nikos Skalkotos | entry[0] = dev
|
297 | a83f5185 | Nikos Skalkotos | else:
|
298 | a83f5185 | Nikos Skalkotos | # comment out the entry
|
299 | a83f5185 | Nikos Skalkotos | entry[0] = "#%s" % dev |
300 | a83f5185 | Nikos Skalkotos | return " ".join(entry), dev, mpoint |
301 | a83f5185 | Nikos Skalkotos | |
302 | a83f5185 | Nikos Skalkotos | return orig, dev, mpoint
|
303 | aa2062ba | Nikos Skalkotos | |
304 | 5a33a51f | Nikos Skalkotos | def _do_inspect(self): |
305 | d0daafa2 | Nikos Skalkotos | """Run various diagnostics to check if media is supported"""
|
306 | d0daafa2 | Nikos Skalkotos | |
307 | d0daafa2 | Nikos Skalkotos | self.out.output(
|
308 | d0daafa2 | Nikos Skalkotos | 'Checking if the media contains logical volumes (LVM)...', False) |
309 | d0daafa2 | Nikos Skalkotos | |
310 | d0daafa2 | Nikos Skalkotos | has_lvm = True if len(self.image.g.lvs()) else False |
311 | d0daafa2 | Nikos Skalkotos | |
312 | d0daafa2 | Nikos Skalkotos | if has_lvm:
|
313 | d0daafa2 | Nikos Skalkotos | self.out.output()
|
314 | d0daafa2 | Nikos Skalkotos | self.image.set_unsupported('The media contains logical volumes') |
315 | d0daafa2 | Nikos Skalkotos | else:
|
316 | d0daafa2 | Nikos Skalkotos | self.out.success('no') |
317 | d0daafa2 | Nikos Skalkotos | |
318 | 121f3bc0 | Nikos Skalkotos | def _do_collect_metadata(self): |
319 | 121f3bc0 | Nikos Skalkotos | """Collect metadata about the OS"""
|
320 | 121f3bc0 | Nikos Skalkotos | super(Linux, self)._do_collect_metadata() |
321 | 121f3bc0 | Nikos Skalkotos | self.meta["USERS"] = " ".join(self._get_passworded_users()) |
322 | 121f3bc0 | Nikos Skalkotos | |
323 | 121f3bc0 | Nikos Skalkotos | # Delete the USERS metadata if empty
|
324 | 121f3bc0 | Nikos Skalkotos | if not len(self.meta['USERS']): |
325 | 121f3bc0 | Nikos Skalkotos | self.out.warn("No passworded users found!") |
326 | 121f3bc0 | Nikos Skalkotos | del self.meta['USERS'] |
327 | 121f3bc0 | Nikos Skalkotos | |
328 | 121f3bc0 | Nikos Skalkotos | def _get_passworded_users(self): |
329 | 121f3bc0 | Nikos Skalkotos | """Returns a list of non-locked user accounts"""
|
330 | 121f3bc0 | Nikos Skalkotos | users = [] |
331 | 47505e53 | Nikos Skalkotos | regexp = re.compile(r'(\S+):((?:!\S+)|(?:[^!*]\S+)|):(?:\S*:){6}')
|
332 | 121f3bc0 | Nikos Skalkotos | |
333 | 091c0335 | Nikos Skalkotos | for line in self.image.g.cat('/etc/shadow').splitlines(): |
334 | 121f3bc0 | Nikos Skalkotos | match = regexp.match(line) |
335 | 121f3bc0 | Nikos Skalkotos | if not match: |
336 | 121f3bc0 | Nikos Skalkotos | continue
|
337 | 121f3bc0 | Nikos Skalkotos | |
338 | 121f3bc0 | Nikos Skalkotos | user, passwd = match.groups() |
339 | 121f3bc0 | Nikos Skalkotos | if len(passwd) > 0 and passwd[0] == '!': |
340 | 121f3bc0 | Nikos Skalkotos | self.out.warn("Ignoring locked %s account." % user) |
341 | 121f3bc0 | Nikos Skalkotos | else:
|
342 | 121f3bc0 | Nikos Skalkotos | users.append(user) |
343 | 121f3bc0 | Nikos Skalkotos | |
344 | 121f3bc0 | Nikos Skalkotos | return users
|
345 | 121f3bc0 | Nikos Skalkotos | |
346 | 121f3bc0 | Nikos Skalkotos | def _is_persistent(self, dev): |
347 | 121f3bc0 | Nikos Skalkotos | """Checks if a device name is persistent."""
|
348 | 121f3bc0 | Nikos Skalkotos | return not self._persistent.match(dev) |
349 | 121f3bc0 | Nikos Skalkotos | |
350 | 121f3bc0 | Nikos Skalkotos | def _get_uuid(self, dev): |
351 | 121f3bc0 | Nikos Skalkotos | """Returns the UUID corresponding to a device"""
|
352 | 121f3bc0 | Nikos Skalkotos | if dev in self._uuid: |
353 | 121f3bc0 | Nikos Skalkotos | return self._uuid[dev] |
354 | 121f3bc0 | Nikos Skalkotos | |
355 | 091c0335 | Nikos Skalkotos | uuid = self.image.g.vfs_uuid(dev)
|
356 | 121f3bc0 | Nikos Skalkotos | assert len(uuid) |
357 | 121f3bc0 | Nikos Skalkotos | self._uuid[dev] = uuid
|
358 | 121f3bc0 | Nikos Skalkotos | return uuid
|
359 | 121f3bc0 | Nikos Skalkotos | |
360 | aa2062ba | Nikos Skalkotos | # vim: set sta sts=4 shiftwidth=4 sw=4 et ai : |