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Commit | Line | Data |
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7af97ad5 | 1 | package PVE::LXC::Setup::Debian; |
1c7f4f65 DM |
2 | |
3 | use strict; | |
4 | use warnings; | |
179b842e | 5 | |
a1b1a247 | 6 | use PVE::Tools qw($IPV6RE); |
55fa4e09 | 7 | use PVE::LXC; |
b206c519 | 8 | use PVE::Network; |
55fa4e09 | 9 | use File::Path; |
1c7f4f65 | 10 | |
7af97ad5 | 11 | use PVE::LXC::Setup::Base; |
1c7f4f65 | 12 | |
7af97ad5 | 13 | use base qw(PVE::LXC::Setup::Base); |
1c7f4f65 | 14 | |
bba67195 | 15 | |
633a7bd8 | 16 | sub new { |
5b4657d0 | 17 | my ($class, $conf, $rootdir) = @_; |
633a7bd8 | 18 | |
5b4657d0 | 19 | my $version = PVE::Tools::file_read_firstline("$rootdir/etc/debian_version"); |
633a7bd8 DM |
20 | |
21 | die "unable to read version info\n" if !defined($version); | |
adc8f577 | 22 | |
209631ab TL |
23 | # translate testing version and os-release incompat derivates names |
24 | my $version_map = { | |
25 | 'stretch/sid' => 9.1, | |
26 | 'buster/sid' => 10, | |
27 | 'bullseye/sid' => 11, | |
bba67195 | 28 | 'bookworm/sid' => 12, |
db37c91c TL |
29 | 'trixie/sid' => 13, |
30 | 'forky/sid' => 14, | |
31 | 'kali-rolling' => 12, | |
209631ab TL |
32 | }; |
33 | $version = $version_map->{$version} if exists($version_map->{$version}); | |
9a3bd509 DM |
34 | |
35 | die "unable to parse version info '$version'\n" | |
adc8f577 DM |
36 | if $version !~ m/^(\d+(\.\d+)?)(\.\d+)?/; |
37 | ||
38 | $version = $1; | |
39 | ||
db37c91c | 40 | die "unsupported debian version '$version'\n" if !($version >= 4 && $version <= 13); |
633a7bd8 | 41 | |
5b4657d0 DM |
42 | my $self = { conf => $conf, rootdir => $rootdir, version => $version }; |
43 | ||
27916659 | 44 | $conf->{ostype} = "debian"; |
633a7bd8 DM |
45 | |
46 | return bless $self, $class; | |
47 | } | |
48 | ||
b03a8a78 DM |
49 | # Debian doesn't support the /dev/lxc/ subdirectory. |
50 | sub devttydir { | |
51 | return ''; | |
52 | } | |
53 | ||
e11806e0 WB |
54 | my sub at_least : prototype($$$) { |
55 | my ($str, $want_maj, $want_min) = @_; | |
56 | return if !defined($str) || !defined($want_maj); | |
57 | ||
58 | my ($maj, $min) = $str =~ /^(\d+)(?:\.(\d+))?/; | |
59 | return if !defined($maj); | |
60 | ||
61 | return $want_maj < $maj || $want_maj == $maj && ( | |
62 | (!defined($min) && $want_min == 0) || (defined($min) && $want_min <= $min) | |
63 | ); | |
64 | } | |
65 | ||
35d0038d | 66 | my sub setup_inittab { |
633a7bd8 | 67 | my ($self, $conf) = @_; |
d66768a2 | 68 | |
2063d380 | 69 | my $filename = "/etc/inittab"; |
fe8a16b8 | 70 | return if !$self->ct_file_exists($filename); |
d66768a2 | 71 | |
1b4cf758 | 72 | my $ttycount = PVE::LXC::Config->get_tty_count($conf); |
fe8a16b8 WB |
73 | my $inittab = $self->ct_file_get_contents($filename); |
74 | ||
75 | my @lines = grep { | |
76 | # remove getty lines | |
f4cd6178 | 77 | !/^\s*\d+:\d*:[^:]*:.*getty/ && |
fe8a16b8 WB |
78 | # remove power lines |
79 | !/^\s*p[fno0]:/ | |
80 | } split(/\n/, $inittab); | |
81 | ||
82 | $inittab = join("\n", @lines) . "\n"; | |
83 | ||
84 | $inittab .= "p0::powerfail:/sbin/init 0\n"; | |
85 | ||
35d0038d | 86 | my $version = $self->{version}; |
39630c0d DM |
87 | for (my $id = 1; $id <= $ttycount; $id++) { |
88 | next if $id == 7; # reserved for X11 | |
89 | my $levels = ($id == 1) ? '2345' : '23'; | |
fe8a16b8 WB |
90 | if ($version < 7) { |
91 | $inittab .= "$id:$levels:respawn:/sbin/getty -L 38400 tty$id\n"; | |
92 | } else { | |
93 | $inittab .= "$id:$levels:respawn:/sbin/getty --noclear 38400 tty$id\n"; | |
d66768a2 | 94 | } |
d66768a2 | 95 | } |
fe8a16b8 WB |
96 | |
97 | $self->ct_file_set_contents($filename, $inittab); | |
d66768a2 DM |
98 | } |
99 | ||
35d0038d WB |
100 | sub setup_init { |
101 | my ($self, $conf) = @_; | |
102 | ||
103 | my $systemd = $self->ct_readlink('/sbin/init'); | |
104 | if (defined($systemd) && $systemd =~ m@/systemd$@) { | |
105 | $self->setup_container_getty_service($conf); | |
106 | ||
107 | my $version = $self->{version}; | |
108 | if (at_least($version, 12, 0)) { | |
109 | # this only affects the first-boot (if no /etc/machien-id exists). | |
110 | $self->setup_systemd_preset({ | |
111 | # systemd-networkd gets enabled by default, disable it, debian uses | |
112 | # ifupdown | |
113 | 'systemd-networkd.service' => 0, | |
114 | }); | |
115 | } | |
116 | } | |
117 | ||
118 | setup_inittab($self, $conf); | |
119 | } | |
120 | ||
b206c519 WB |
121 | sub remove_gateway_scripts { |
122 | my ($attr) = @_; | |
123 | my $length = scalar(@$attr); | |
a5d9039e WB |
124 | |
125 | my $found_section = 0; | |
126 | my $keep = 1; | |
127 | @$attr = grep { | |
128 | if ($_ eq '# --- BEGIN PVE ---') { | |
129 | $found_section = 1; | |
130 | $keep = 0; | |
131 | 0; # remove this line | |
132 | } elsif ($_ eq '# --- END PVE ---') { | |
133 | $found_section = 1; | |
134 | $keep = 1; | |
135 | 0; # remove this line | |
136 | } else { | |
137 | $keep; | |
b206c519 | 138 | } |
a5d9039e WB |
139 | } @$attr; |
140 | ||
141 | return if $found_section; | |
142 | # XXX: To deal with existing setups we perform two types of removal for | |
143 | # now. Newly started containers have their routing sections marked with | |
144 | # begin/end comments. For older containers we perform a strict matching on | |
145 | # the routing rules we added. We can probably remove this part at some point | |
146 | # when it is unlikely that old debian setups are still around. | |
147 | ||
148 | for (my $i = 0; $i < $length-3; ++$i) { | |
149 | next if $attr->[$i+0] !~ m@^\s*post-up\s+ip\s+route\s+add\s+(\S+)\s+dev\s+(\S+)$@; | |
150 | my ($ip, $dev) = ($1, $2); | |
151 | if ($attr->[$i+1] =~ m@^\s*post-up\s+ip\s+route\s+add\s+default\s+via\s+(\S+)\s+dev\s+(\S+)$@ && | |
152 | ($ip eq $1 && $dev eq $2) && | |
153 | $attr->[$i+2] =~ m@^\s*pre-down\s+ip\s+route\s+del\s+default\s+via\s+(\S+)\s+dev\s+(\S+)$@ && | |
154 | ($ip eq $1 && $dev eq $2) && | |
155 | $attr->[$i+3] =~ m@^\s*pre-down\s+ip\s+route\s+del\s+(\S+)\s+dev\s+(\S+)$@ && | |
156 | ($ip eq $1 && $dev eq $2)) | |
157 | { | |
158 | splice @$attr, $i, 4; | |
159 | $length -= 4; | |
b206c519 | 160 | --$i; |
b206c519 WB |
161 | } |
162 | } | |
163 | } | |
164 | ||
165 | sub make_gateway_scripts { | |
166 | my ($ifname, $gw) = @_; | |
167 | return <<"SCRIPTS"; | |
a5d9039e | 168 | # --- BEGIN PVE --- |
b206c519 | 169 | \tpost-up ip route add $gw dev $ifname |
d54c0145 WB |
170 | \tpost-up ip route add default via $gw dev $ifname |
171 | \tpre-down ip route del default via $gw dev $ifname | |
b206c519 | 172 | \tpre-down ip route del $gw dev $ifname |
a5d9039e | 173 | # --- END PVE --- |
b206c519 WB |
174 | SCRIPTS |
175 | } | |
176 | ||
c7626518 | 177 | # NOTE: this is re-used by Alpine Linux, please have that in mind when changing things. |
55fa4e09 | 178 | sub setup_network { |
633a7bd8 | 179 | my ($self, $conf) = @_; |
55fa4e09 | 180 | |
55fa4e09 DM |
181 | my $networks = {}; |
182 | foreach my $k (keys %$conf) { | |
183 | next if $k !~ m/^net(\d+)$/; | |
93285df8 | 184 | my $ind = $1; |
1b4cf758 | 185 | my $d = PVE::LXC::Config->parse_lxc_network($conf->{$k}); |
55fa4e09 DM |
186 | if ($d->{name}) { |
187 | my $net = {}; | |
b206c519 | 188 | my $cidr; |
93285df8 | 189 | if (defined($d->{ip})) { |
ecf84da0 | 190 | if ($d->{ip} =~ /^(?:dhcp|manual)$/) { |
0178cffa WB |
191 | $net->{address} = $d->{ip}; |
192 | } else { | |
193 | my $ipinfo = PVE::LXC::parse_ipv4_cidr($d->{ip}); | |
194 | $net->{address} = $ipinfo->{address}; | |
195 | $net->{netmask} = $ipinfo->{netmask}; | |
81d8a60f | 196 | $net->{cidr} = $d->{ip}; |
b206c519 | 197 | $cidr = $d->{ip}; |
0178cffa | 198 | } |
55fa4e09 | 199 | } |
93285df8 | 200 | if (defined($d->{'gw'})) { |
a1b1a247 | 201 | $net->{gateway} = $d->{'gw'}; |
b206c519 WB |
202 | if (defined($cidr) && !PVE::Network::is_ip_in_cidr($d->{gw}, $cidr, 4)) { |
203 | # gateway is not reachable, need an extra route | |
204 | $net->{needsroute} = 1; | |
205 | } | |
55fa4e09 | 206 | } |
b206c519 | 207 | $cidr = undef; |
93285df8 | 208 | if (defined($d->{ip6})) { |
c6b8740b | 209 | if ($d->{ip6} =~ /^(?:auto|dhcp|manual)$/) { |
0178cffa WB |
210 | $net->{address6} = $d->{ip6}; |
211 | } elsif ($d->{ip6} !~ /^($IPV6RE)\/(\d+)$/) { | |
a1b1a247 | 212 | die "unable to parse ipv6 address/prefix\n"; |
0178cffa WB |
213 | } else { |
214 | $net->{address6} = $1; | |
215 | $net->{netmask6} = $2; | |
81d8a60f | 216 | $net->{cidr6} = $d->{ip6}; |
b206c519 | 217 | $cidr = $d->{ip6}; |
a1b1a247 | 218 | } |
a1b1a247 WB |
219 | } |
220 | if (defined($d->{'gw6'})) { | |
221 | $net->{gateway6} = $d->{'gw6'}; | |
d13fd23a WB |
222 | if (defined($cidr) && !PVE::Network::is_ip_in_cidr($d->{gw6}, $cidr, 6) && |
223 | !PVE::Network::is_ip_in_cidr($d->{gw6}, 'fe80::/10', 6)) { | |
b206c519 WB |
224 | # gateway is not reachable, need an extra route |
225 | $net->{needsroute6} = 1; | |
226 | } | |
55fa4e09 | 227 | } |
0178cffa | 228 | $networks->{$d->{name}} = $net if keys %$net; |
55fa4e09 DM |
229 | } |
230 | } | |
231 | ||
f44d23a5 | 232 | return if !scalar(keys %$networks); |
55fa4e09 | 233 | |
2063d380 | 234 | my $filename = "/etc/network/interfaces"; |
55fa4e09 DM |
235 | my $interfaces = ""; |
236 | ||
237 | my $section; | |
238 | ||
56be201e | 239 | my $done_auto = {}; |
55fa4e09 DM |
240 | my $done_v4_hash = {}; |
241 | my $done_v6_hash = {}; | |
1c0a5ac7 | 242 | |
8288b081 | 243 | my ($os, $version) = ($conf->{ostype}, $self->{version}); |
55fa4e09 | 244 | my $print_section = sub { |
55fa4e09 DM |
245 | return if !$section; |
246 | ||
6fd46881 WB |
247 | my $ifname = $section->{ifname}; |
248 | my $net = $networks->{$ifname}; | |
55fa4e09 | 249 | |
6b0a0043 | 250 | if (!$done_auto->{$ifname}) { |
6fd46881 WB |
251 | $interfaces .= "auto $ifname\n"; |
252 | $done_auto->{$ifname} = 1; | |
56be201e WB |
253 | } |
254 | ||
55fa4e09 | 255 | if ($section->{type} eq 'ipv4') { |
6fd46881 | 256 | $done_v4_hash->{$ifname} = 1; |
55fa4e09 | 257 | |
b06e65b1 WB |
258 | if (!defined($net->{address})) { |
259 | # no address => no iface line | |
260 | } elsif ($net->{address} =~ /^(dhcp|manual)$/) { | |
261 | $interfaces .= "iface $ifname inet $1\n\n"; | |
fcaca113 | 262 | } else { |
6fd46881 | 263 | $interfaces .= "iface $ifname inet static\n"; |
8288b081 TL |
264 | if ($os eq "debian" && at_least($version, 10, 0) |
265 | || $os eq "alpine" && at_least($version, 3, 13) | |
c7626518 | 266 | ) { |
81d8a60f SI |
267 | $interfaces .= "\taddress $net->{cidr}\n" if defined($net->{cidr}); |
268 | } else { | |
269 | $interfaces .= "\taddress $net->{address}\n" if defined($net->{address}); | |
270 | $interfaces .= "\tnetmask $net->{netmask}\n" if defined($net->{netmask}); | |
271 | } | |
46cf092c | 272 | remove_gateway_scripts($section->{attr}); |
b206c519 | 273 | if (defined(my $gw = $net->{gateway})) { |
b206c519 WB |
274 | if ($net->{needsroute}) { |
275 | $interfaces .= make_gateway_scripts($ifname, $gw); | |
276 | } else { | |
277 | $interfaces .= "\tgateway $gw\n"; | |
278 | } | |
279 | } | |
55fa4e09 DM |
280 | foreach my $attr (@{$section->{attr}}) { |
281 | $interfaces .= "\t$attr\n"; | |
282 | } | |
b06e65b1 | 283 | $interfaces .= "\n"; |
55fa4e09 | 284 | } |
55fa4e09 | 285 | } elsif ($section->{type} eq 'ipv6') { |
6fd46881 | 286 | $done_v6_hash->{$ifname} = 1; |
1c0a5ac7 | 287 | |
b06e65b1 WB |
288 | if (!defined($net->{address6})) { |
289 | # no address => no iface line | |
290 | } elsif ($net->{address6} =~ /^(auto|dhcp|manual)$/) { | |
291 | $interfaces .= "iface $ifname inet6 $1\n\n"; | |
fcaca113 | 292 | } else { |
6fd46881 | 293 | $interfaces .= "iface $ifname inet6 static\n"; |
8288b081 TL |
294 | if ($os eq "debian" && at_least($version, 10, 0) |
295 | || $os eq "alpine" && at_least($version, 3, 13) | |
296 | ) { | |
81d8a60f SI |
297 | $interfaces .= "\taddress $net->{cidr6}\n" if defined($net->{cidr6}); |
298 | } else { | |
299 | $interfaces .= "\taddress $net->{address6}\n" if defined($net->{address6}); | |
300 | $interfaces .= "\tnetmask $net->{netmask6}\n" if defined($net->{netmask6}); | |
301 | } | |
46cf092c | 302 | remove_gateway_scripts($section->{attr}); |
b206c519 | 303 | if (defined(my $gw = $net->{gateway6})) { |
b206c519 WB |
304 | if ($net->{needsroute6}) { |
305 | $interfaces .= make_gateway_scripts($ifname, $gw); | |
306 | } else { | |
307 | $interfaces .= "\tgateway $net->{gateway6}\n" if defined($net->{gateway6}); | |
308 | } | |
309 | } | |
55fa4e09 DM |
310 | foreach my $attr (@{$section->{attr}}) { |
311 | $interfaces .= "\t$attr\n"; | |
312 | } | |
b06e65b1 | 313 | $interfaces .= "\n"; |
55fa4e09 | 314 | } |
55fa4e09 DM |
315 | } else { |
316 | die "unknown section type '$section->{type}'"; | |
317 | } | |
318 | ||
319 | $section = undef; | |
320 | }; | |
1c0a5ac7 | 321 | |
f08b2779 | 322 | if (my $fh = $self->ct_open_file_read($filename)) { |
55fa4e09 DM |
323 | while (defined (my $line = <$fh>)) { |
324 | chomp $line; | |
a5d9039e WB |
325 | if ($line =~ m/^# --- (?:BEGIN|END) PVE ---/) { |
326 | # Include markers in the attribute section so | |
327 | # remove_gateway_scripts() can find them. | |
328 | push @{$section->{attr}}, $line if $section; | |
329 | next; | |
330 | } | |
55fa4e09 DM |
331 | if ($line =~ m/^#/) { |
332 | $interfaces .= "$line\n"; | |
333 | next; | |
334 | } | |
335 | if ($line =~ m/^\s*$/) { | |
336 | if ($section) { | |
337 | &$print_section(); | |
338 | } else { | |
339 | $interfaces .= "$line\n"; | |
340 | } | |
341 | next; | |
342 | } | |
0178cffa | 343 | if ($line =~ m/^\s*iface\s+(\S+)\s+inet\s+(\S+)\s*$/) { |
55fa4e09 | 344 | my $ifname = $1; |
0178cffa | 345 | &$print_section(); # print previous section |
55fa4e09 DM |
346 | if (!$networks->{$ifname}) { |
347 | $interfaces .= "$line\n"; | |
348 | next; | |
349 | } | |
350 | $section = { type => 'ipv4', ifname => $ifname, attr => []}; | |
351 | next; | |
352 | } | |
0178cffa | 353 | if ($line =~ m/^\s*iface\s+(\S+)\s+inet6\s+(\S+)\s*$/) { |
55fa4e09 | 354 | my $ifname = $1; |
0178cffa | 355 | &$print_section(); # print previous section |
55fa4e09 DM |
356 | if (!$networks->{$ifname}) { |
357 | $interfaces .= "$line\n"; | |
358 | next; | |
359 | } | |
360 | $section = { type => 'ipv6', ifname => $ifname, attr => []}; | |
361 | next; | |
362 | } | |
56be201e WB |
363 | # Handle 'auto' |
364 | if ($line =~ m/^\s*auto\s*(.*)$/) { | |
365 | foreach my $iface (split(/\s+/, $1)) { | |
366 | $done_auto->{$iface} = 1; | |
367 | } | |
368 | &$print_section(); | |
369 | $interfaces .= "$line\n"; | |
370 | next; | |
371 | } | |
0178cffa WB |
372 | # Handle other section delimiters: |
373 | if ($line =~ m/^\s*(?:mapping\s | |
0178cffa WB |
374 | |allow- |
375 | |source\s | |
376 | |source-directory\s | |
377 | )/x) { | |
378 | &$print_section(); | |
379 | $interfaces .= "$line\n"; | |
380 | next; | |
381 | } | |
55fa4e09 DM |
382 | if ($section && $line =~ m/^\s*((\S+)\s(.*))$/) { |
383 | my ($adata, $aname) = ($1, $2); | |
384 | if ($aname eq 'address' || $aname eq 'netmask' || | |
385 | $aname eq 'gateway' || $aname eq 'broadcast') { | |
386 | # skip | |
387 | } else { | |
1c0a5ac7 | 388 | push @{$section->{attr}}, $adata; |
55fa4e09 DM |
389 | } |
390 | next; | |
391 | } | |
1c0a5ac7 WB |
392 | |
393 | $interfaces .= "$line\n"; | |
55fa4e09 DM |
394 | } |
395 | &$print_section(); | |
55fa4e09 DM |
396 | } |
397 | ||
e90673a8 | 398 | my $need_separator = length($interfaces) && ($interfaces !~ /\n\n$/); |
55fa4e09 DM |
399 | foreach my $ifname (sort keys %$networks) { |
400 | my $net = $networks->{$ifname}; | |
1c0a5ac7 | 401 | |
fcaca113 | 402 | if (!$done_v4_hash->{$ifname} && defined($net->{address})) { |
1c0a5ac7 | 403 | if ($need_separator) { $interfaces .= "\n"; $need_separator = 0; }; |
55fa4e09 | 404 | $section = { type => 'ipv4', ifname => $ifname, attr => []}; |
6b0a0043 | 405 | &$print_section(); |
55fa4e09 | 406 | } |
a1b1a247 | 407 | if (!$done_v6_hash->{$ifname} && defined($net->{address6})) { |
1c0a5ac7 | 408 | if ($need_separator) { $interfaces .= "\n"; $need_separator = 0; }; |
55fa4e09 | 409 | $section = { type => 'ipv6', ifname => $ifname, attr => []}; |
6b0a0043 | 410 | &$print_section(); |
55fa4e09 DM |
411 | } |
412 | } | |
1c0a5ac7 | 413 | |
b1382595 TL |
414 | # older templates (< Debian 8) do not configure the loopback interface |
415 | # if not explicitly told to do so | |
416 | if (!$done_auto->{lo}) { | |
417 | $interfaces = "auto lo\niface lo inet loopback\n" . | |
418 | "iface lo inet6 loopback\n\n" . | |
419 | $interfaces; | |
420 | } | |
421 | ||
2063d380 | 422 | $self->ct_file_set_contents($filename, $interfaces); |
55fa4e09 | 423 | } |
1c7f4f65 DM |
424 | |
425 | 1; |