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Commit | Line | Data |
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7af97ad5 | 1 | package PVE::LXC::Setup; |
1c7f4f65 DM |
2 | |
3 | use strict; | |
4 | use warnings; | |
f08b2779 | 5 | use POSIX; |
a8e58e9c | 6 | use PVE::Tools; |
1c7f4f65 | 7 | |
7af97ad5 DM |
8 | use PVE::LXC::Setup::Debian; |
9 | use PVE::LXC::Setup::Ubuntu; | |
10 | use PVE::LXC::Setup::Redhat; | |
11 | use PVE::LXC::Setup::ArchLinux; | |
1c7f4f65 DM |
12 | |
13 | my $plugins = { | |
7af97ad5 DM |
14 | debian => 'PVE::LXC::Setup::Debian', |
15 | ubuntu => 'PVE::LXC::Setup::Ubuntu', | |
16 | redhat => 'PVE::LXC::Setup::Redhat', | |
17 | archlinux => 'PVE::LXC::Setup::ArchLinux', | |
1c7f4f65 DM |
18 | }; |
19 | ||
bdd4194c | 20 | my $autodetect_type = sub { |
5b4657d0 | 21 | my ($rootdir) = @_; |
a8e58e9c DM |
22 | |
23 | my $lsb_fn = "$rootdir/etc/lsb-release"; | |
24 | if (-f $lsb_fn) { | |
25 | my $data = PVE::Tools::file_get_contents($lsb_fn); | |
26 | if ($data =~ m/^DISTRIB_ID=Ubuntu$/im) { | |
27 | return 'ubuntu'; | |
28 | } | |
29 | } elsif (-f "$rootdir/etc/debian_version") { | |
bdd4194c | 30 | return "debian"; |
c0eae401 DM |
31 | } elsif (-f "$rootdir/etc/redhat-release") { |
32 | return "redhat"; | |
c1d32b55 WB |
33 | } elsif (-f "$rootdir/etc/arch-release") { |
34 | return "archlinux"; | |
bdd4194c DM |
35 | } |
36 | die "unable to detect OS disribution\n"; | |
37 | }; | |
38 | ||
1c7f4f65 | 39 | sub new { |
5b4657d0 | 40 | my ($class, $conf, $rootdir, $type) = @_; |
1c7f4f65 | 41 | |
5b4657d0 DM |
42 | die "no root directory\n" if !$rootdir || $rootdir eq '/'; |
43 | ||
5b3614f8 | 44 | my $self = bless { conf => $conf, rootdir => $rootdir}; |
1c7f4f65 | 45 | |
bdd4194c DM |
46 | if (!defined($type)) { |
47 | # try to autodetect type | |
5b4657d0 | 48 | $type = &$autodetect_type($rootdir); |
bdd4194c DM |
49 | } |
50 | ||
633a7bd8 | 51 | my $plugin_class = $plugins->{$type} || |
1c7f4f65 DM |
52 | "no such OS type '$type'\n"; |
53 | ||
23d928a1 WB |
54 | my $plugin = $plugin_class->new($conf, $rootdir); |
55 | $self->{plugin} = $plugin; | |
f08b2779 | 56 | $self->{in_chroot} = 0; |
23d928a1 WB |
57 | |
58 | # Cache some host files we need access to: | |
59 | $plugin->{host_resolv_conf} = PVE::INotify::read_file('resolvconf'); | |
633a7bd8 | 60 | |
1c7f4f65 DM |
61 | return $self; |
62 | } | |
63 | ||
f08b2779 WB |
64 | sub protected_call { |
65 | my ($self, $sub) = @_; | |
66 | ||
67 | # avoid recursion: | |
68 | return $sub->() if $self->{in_chroot}; | |
69 | ||
70 | my $rootdir = $self->{rootdir}; | |
71 | if (!-d "$rootdir/dev" && !mkdir("$rootdir/dev")) { | |
72 | die "failed to create temporary /dev directory: $!\n"; | |
73 | } | |
74 | ||
75 | my $child = fork(); | |
76 | die "fork failed: $!\n" if !defined($child); | |
77 | ||
8ba6ef14 WB |
78 | # can't bind to /proc/$pid/root/dev, it'll bind to the host's /dev |
79 | my $mountdev = ($rootdir !~ m@^/proc@); | |
80 | ||
f08b2779 WB |
81 | if (!$child) { |
82 | # avoid recursive forks | |
83 | $self->{in_chroot} = 1; | |
84 | $self->{plugin}->{in_chroot} = 1; | |
85 | eval { | |
8ba6ef14 | 86 | PVE::Tools::run_command(['mount', '--bind', '/dev', "$rootdir/dev"]) if $mountdev; |
f08b2779 WB |
87 | chroot($rootdir) or die "failed to change root to: $rootdir: $!\n"; |
88 | chdir('/') or die "failed to change to root directory\n"; | |
89 | $sub->(); | |
90 | }; | |
91 | if (my $err = $@) { | |
92 | print STDERR "$err\n"; | |
93 | POSIX::_exit(1); | |
94 | } | |
95 | POSIX::_exit(0); | |
96 | } | |
97 | while (waitpid($child, 0) != $child) {} | |
8ba6ef14 WB |
98 | my $status = $? == 0; |
99 | if ($mountdev) { | |
100 | eval { PVE::Tools::run_command(['umount', "$rootdir/dev"]); }; | |
101 | warn $@ if $@; | |
102 | } | |
103 | return $status; | |
f08b2779 WB |
104 | } |
105 | ||
142444d5 DM |
106 | sub template_fixup { |
107 | my ($self) = @_; | |
108 | ||
f08b2779 WB |
109 | my $code = sub { |
110 | $self->{plugin}->template_fixup($self->{conf}); | |
111 | }; | |
112 | $self->protected_call($code); | |
142444d5 DM |
113 | } |
114 | ||
1c7f4f65 | 115 | sub setup_network { |
55fa4e09 | 116 | my ($self) = @_; |
1c7f4f65 | 117 | |
f08b2779 WB |
118 | my $code = sub { |
119 | $self->{plugin}->setup_network($self->{conf}); | |
120 | }; | |
121 | $self->protected_call($code); | |
1c7f4f65 DM |
122 | } |
123 | ||
124 | sub set_hostname { | |
125 | my ($self) = @_; | |
126 | ||
f08b2779 WB |
127 | my $code = sub { |
128 | $self->{plugin}->set_hostname($self->{conf}); | |
129 | }; | |
130 | $self->protected_call($code); | |
1c7f4f65 DM |
131 | } |
132 | ||
c325b32f DM |
133 | sub set_dns { |
134 | my ($self) = @_; | |
135 | ||
f08b2779 WB |
136 | my $code = sub { |
137 | $self->{plugin}->set_dns($self->{conf}); | |
138 | }; | |
139 | $self->protected_call($code); | |
c325b32f DM |
140 | } |
141 | ||
d66768a2 DM |
142 | sub setup_init { |
143 | my ($self) = @_; | |
144 | ||
f08b2779 WB |
145 | my $code = sub { |
146 | $self->{plugin}->setup_init($self->{conf}); | |
147 | }; | |
148 | $self->protected_call($code); | |
d66768a2 DM |
149 | } |
150 | ||
168d6b07 DM |
151 | sub set_user_password { |
152 | my ($self, $user, $pw) = @_; | |
153 | ||
f08b2779 WB |
154 | my $code = sub { |
155 | $self->{plugin}->set_user_password($self->{conf}, $user, $pw); | |
156 | }; | |
157 | $self->protected_call($code); | |
1c7f4f65 DM |
158 | } |
159 | ||
7ee31468 DM |
160 | sub rewrite_ssh_host_keys { |
161 | my ($self) = @_; | |
162 | ||
f08b2779 WB |
163 | my $code = sub { |
164 | $self->{plugin}->rewrite_ssh_host_keys($self->{conf}); | |
165 | }; | |
166 | $self->protected_call($code); | |
7ee31468 DM |
167 | } |
168 | ||
d66768a2 DM |
169 | sub pre_start_hook { |
170 | my ($self) = @_; | |
171 | ||
f08b2779 WB |
172 | my $code = sub { |
173 | # Create /fastboot to skip run fsck | |
174 | $self->{plugin}->ct_file_set_contents('/fastboot', ''); | |
2988dbbc | 175 | |
f08b2779 WB |
176 | $self->{plugin}->pre_start_hook($self->{conf}); |
177 | }; | |
178 | $self->protected_call($code); | |
d66768a2 DM |
179 | } |
180 | ||
181 | sub post_create_hook { | |
168d6b07 | 182 | my ($self, $root_password) = @_; |
1c7f4f65 | 183 | |
f08b2779 WB |
184 | my $code = sub { |
185 | $self->{plugin}->post_create_hook($self->{conf}, $root_password); | |
186 | }; | |
187 | $self->protected_call($code); | |
1c7f4f65 DM |
188 | } |
189 | ||
190 | 1; |