1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
(* virt-sysprep
* Copyright (C) 2012 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
open Printf
open Utils
open Sysprep_operation
open Sysprep_gettext.Gettext
(* For Linux guests. *)
let firstboot_dir = "/usr/lib/virt-sysprep"
let firstboot_sh = sprintf "\
#!/bin/sh -
### BEGIN INIT INFO
# Provides: virt-sysprep
# Required-Start: $null
# Should-Start: $all
# Required-Stop: $null
# Should-Stop: $all
# Default-Start: 2 3 5
# Default-Stop: 0 1 6
# Short-Description: Start scripts to run once at next boot
# Description: Start scripts to run once at next boot
# These scripts run the first time the guest boots,
# and then are deleted. Output or errors from the scripts
# are written to ~root/virt-sysprep-firstboot.log.
### END INIT INFO
d=%s/scripts
logfile=~root/virt-sysprep-firstboot.log
if test \"$1\" = \"start\"
then
for f in $d/* ; do
if test -x \"$f\"
then
echo '=== Running' $f '===' >>$logfile
$f >>$logfile 2>&1
rm -f $f
fi
done
fi
" firstboot_dir
let firstboot_service = sprintf "\
[Unit]
Description=virt-sysprep firstboot service
After=syslog.target network.target
Before=prefdm.service
[Service]
Type=oneshot
ExecStart=%s/firstboot.sh
RemainAfterExit=yes
[Install]
WantedBy=default.target
" firstboot_dir
let failed fs =
ksprintf (fun msg -> failwith (s_"firstboot: failed: " ^ msg)) fs
let rec install_service g distro =
g#mkdir_p firstboot_dir;
g#mkdir_p (sprintf "%s/scripts" firstboot_dir);
g#write (sprintf "%s/firstboot.sh" firstboot_dir) firstboot_sh;
g#chmod 0o755 (sprintf "%s/firstboot.sh" firstboot_dir);
(* systemd, else assume sysvinit *)
if g#is_dir "/etc/systemd" then
install_systemd_service g
else
install_sysvinit_service g distro
(* Install the systemd firstboot service, if not installed already. *)
and install_systemd_service g =
g#write (sprintf "%s/firstboot.service" firstboot_dir) firstboot_service;
g#mkdir_p "/etc/systemd/system/default.target.wants";
g#ln_sf (sprintf "%s/firstboot.service" firstboot_dir)
"/etc/systemd/system/default.target.wants"
and install_sysvinit_service g = function
| "fedora"|"rhel"|"centos"|"scientificlinux"|"redhat-based" ->
install_sysvinit_redhat g
| "opensuse"|"sles"|"suse-based" ->
install_sysvinit_suse g
| "debian" ->
install_sysvinit_debian g
| distro ->
failed "guest type %s is not supported" distro
and install_sysvinit_redhat g =
g#mkdir_p "/etc/rc.d/rc2.d";
g#mkdir_p "/etc/rc.d/rc3.d";
g#mkdir_p "/etc/rc.d/rc5.d";
g#ln_sf (sprintf "%s/firstboot.sh" firstboot_dir)
"/etc/rc.d/rc2.d/99virt-sysprep-firstboot";
g#ln_sf (sprintf "%s/firstboot.sh" firstboot_dir)
"/etc/rc.d/rc3.d/99virt-sysprep-firstboot";
g#ln_sf (sprintf "%s/firstboot.sh" firstboot_dir)
"/etc/rc.d/rc5.d/99virt-sysprep-firstboot"
(* Make firstboot.sh look like a runlevel script to avoid insserv warnings. *)
and install_sysvinit_suse g =
g#mkdir_p "/etc/init.d/rc2.d";
g#mkdir_p "/etc/init.d/rc3.d";
g#mkdir_p "/etc/init.d/rc5.d";
g#ln_sf (sprintf "%s/firstboot.sh" firstboot_dir)
"/etc/init.d/virt-sysprep-firstboot";
g#ln_sf "../virt-sysprep-firstboot"
"/etc/init.d/rc2.d/S99virt-sysprep-firstboot";
g#ln_sf "../virt-sysprep-firstboot"
"/etc/init.d/rc3.d/S99virt-sysprep-firstboot";
g#ln_sf "../virt-sysprep-firstboot"
"/etc/init.d/rc5.d/S99virt-sysprep-firstboot"
and install_sysvinit_debian g =
g#mkdir_p "/etc/init.d";
g#mkdir_p "/etc/rc2.d";
g#mkdir_p "/etc/rc3.d";
g#mkdir_p "/etc/rc5.d";
g#ln_sf (sprintf "%s/firstboot.sh" firstboot_dir)
"/etc/init.d/virt-sysprep-firstboot";
g#ln_sf "/etc/init.d/virt-sysprep-firstboot"
"/etc/rc2.d/S99virt-sysprep-firstboot";
g#ln_sf "/etc/init.d/virt-sysprep-firstboot"
"/etc/rc3.d/S99virt-sysprep-firstboot";
g#ln_sf "/etc/init.d/virt-sysprep-firstboot"
"/etc/rc5.d/S99virt-sysprep-firstboot"
let add_firstboot_script g root id content =
let typ = g#inspect_get_type root in
let distro = g#inspect_get_distro root in
match typ, distro with
| "linux", _ ->
install_service g distro;
let t = Int64.of_float (Unix.time ()) in
let r = string_random8 () in
let filename = sprintf "%s/scripts/%Ld-%s-%s" firstboot_dir t r id in
g#write filename content;
g#chmod 0o755 filename
| _ ->
failed "guest type %s/%s is not supported" typ distro
|
