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Commit | Line | Data |
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0c9a7596 AD |
1 | package PVE::QemuServer::Cloudinit; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | use File::Path; | |
7 | use Digest::SHA; | |
8 | use URI::Escape; | |
9 | ||
10 | use PVE::Tools qw(run_command file_set_contents); | |
11 | use PVE::Storage; | |
12 | use PVE::QemuServer; | |
13 | ||
0c9a7596 | 14 | sub commit_cloudinit_disk { |
4a853915 | 15 | my ($conf, $vmid, $drive, $volname, $storeid, $files, $label) = @_; |
f62c36cf WB |
16 | |
17 | my $path = "/run/pve/cloudinit/$vmid/"; | |
18 | mkpath $path; | |
19 | foreach my $filepath (keys %$files) { | |
20 | if ($filepath !~ m@^(.*)\/[^/]+$@) { | |
21 | die "internal error: bad file name in cloud-init image: $filepath\n"; | |
22 | } | |
23 | my $dirname = $1; | |
24 | mkpath "$path/$dirname"; | |
25 | ||
26 | my $contents = $files->{$filepath}; | |
27 | file_set_contents("$path/$filepath", $contents); | |
28 | } | |
41cd94a0 WB |
29 | |
30 | my $storecfg = PVE::Storage::config(); | |
31 | my $iso_path = PVE::Storage::path($storecfg, $drive->{file}); | |
32 | my $scfg = PVE::Storage::storage_config($storecfg, $storeid); | |
9be87f4e DC |
33 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); |
34 | $plugin->activate_volume($storeid, $scfg, $volname); | |
41cd94a0 | 35 | my $format = PVE::QemuServer::qemu_img_format($scfg, $volname); |
0c9a7596 | 36 | |
3db6e4ab | 37 | my $size = PVE::Storage::file_size_info($iso_path); |
0c9a7596 | 38 | |
f62c36cf WB |
39 | eval { |
40 | run_command([['genisoimage', '-R', '-V', $label, $path], | |
f0a762f7 | 41 | ['qemu-img', 'dd', '-n', '-f', 'raw', '-O', $format, |
f62c36cf WB |
42 | 'isize=0', "osize=$size", "of=$iso_path"]]); |
43 | }; | |
44 | my $err = $@; | |
45 | rmtree($path); | |
46 | die $err if $err; | |
0c9a7596 AD |
47 | } |
48 | ||
41cd94a0 WB |
49 | sub get_cloudinit_format { |
50 | my ($conf) = @_; | |
51 | if (defined(my $format = $conf->{citype})) { | |
52 | return $format; | |
53 | } | |
0c9a7596 | 54 | |
41cd94a0 WB |
55 | # No format specified, default based on ostype because windows' |
56 | # cloudbased-init only supports configdrivev2, whereas on linux we need | |
57 | # to use mac addresses because regular cloudinit doesn't map 'ethX' to | |
58 | # the new predicatble network device naming scheme. | |
59 | if (defined(my $ostype = $conf->{ostype})) { | |
60 | return 'configdrive2' | |
61 | if PVE::QemuServer::windows_version($ostype); | |
62 | } | |
0c9a7596 | 63 | |
41cd94a0 | 64 | return 'nocloud'; |
0c9a7596 AD |
65 | } |
66 | ||
e8ac2138 | 67 | sub get_hostname_fqdn { |
9a6ccb12 DC |
68 | my ($conf, $vmid) = @_; |
69 | my $hostname = $conf->{name} // "VM$vmid"; | |
e8ac2138 WB |
70 | my $fqdn; |
71 | if ($hostname =~ /\./) { | |
72 | $fqdn = $hostname; | |
73 | $hostname =~ s/\..*$//; | |
74 | } elsif (my $search = $conf->{searchdomain}) { | |
75 | $fqdn = "$hostname.$search"; | |
0c9a7596 | 76 | } |
e8ac2138 | 77 | return ($hostname, $fqdn); |
41cd94a0 WB |
78 | } |
79 | ||
67864d19 WB |
80 | sub get_dns_conf { |
81 | my ($conf) = @_; | |
82 | ||
83 | # Same logic as in pve-container, but without the testcase special case | |
84 | my $host_resolv_conf = PVE::INotify::read_file('resolvconf'); | |
85 | ||
86 | my $searchdomains = [ | |
87 | split(/\s+/, $conf->{searchdomain} // $host_resolv_conf->{search}) | |
88 | ]; | |
89 | ||
90 | my $nameserver = $conf->{nameserver}; | |
91 | if (!defined($nameserver)) { | |
92 | $nameserver = [grep { $_ } $host_resolv_conf->@{qw(dns1 dns2 dns3)}]; | |
93 | } else { | |
94 | $nameserver = [split(/\s+/, $nameserver)]; | |
95 | } | |
96 | ||
97 | return ($searchdomains, $nameserver); | |
98 | } | |
99 | ||
41cd94a0 | 100 | sub cloudinit_userdata { |
9a6ccb12 | 101 | my ($conf, $vmid) = @_; |
41cd94a0 | 102 | |
9a6ccb12 | 103 | my ($hostname, $fqdn) = get_hostname_fqdn($conf, $vmid); |
41cd94a0 | 104 | |
7b42f951 | 105 | my $content = "#cloud-config\n"; |
41cd94a0 | 106 | |
e8ac2138 | 107 | $content .= "hostname: $hostname\n"; |
8de34458 | 108 | $content .= "manage_etc_hosts: true\n"; |
e8ac2138 WB |
109 | $content .= "fqdn: $fqdn\n" if defined($fqdn); |
110 | ||
7b42f951 WB |
111 | my $username = $conf->{ciuser}; |
112 | my $password = $conf->{cipassword}; | |
41cd94a0 WB |
113 | |
114 | $content .= "user: $username\n" if defined($username); | |
7b42f951 WB |
115 | $content .= "disable_root: False\n" if defined($username) && $username eq 'root'; |
116 | $content .= "password: $password\n" if defined($password); | |
41cd94a0 WB |
117 | |
118 | if (defined(my $keys = $conf->{sshkeys})) { | |
0c9a7596 AD |
119 | $keys = URI::Escape::uri_unescape($keys); |
120 | $keys = [map { chomp $_; $_ } split(/\n/, $keys)]; | |
121 | $keys = [grep { /\S/ } @$keys]; | |
41cd94a0 | 122 | $content .= "ssh_authorized_keys:\n"; |
0c9a7596 | 123 | foreach my $k (@$keys) { |
41cd94a0 | 124 | $content .= " - $k\n"; |
0c9a7596 AD |
125 | } |
126 | } | |
41cd94a0 WB |
127 | $content .= "chpasswd:\n"; |
128 | $content .= " expire: False\n"; | |
129 | ||
7b42f951 WB |
130 | if (!defined($username) || $username ne 'root') { |
131 | $content .= "users:\n"; | |
132 | $content .= " - default\n"; | |
133 | } | |
0c9a7596 AD |
134 | |
135 | $content .= "package_upgrade: true\n"; | |
136 | ||
0c9a7596 AD |
137 | return $content; |
138 | } | |
139 | ||
86280789 WB |
140 | sub split_ip4 { |
141 | my ($ip) = @_; | |
142 | my ($addr, $mask) = split('/', $ip); | |
143 | die "not a CIDR: $ip\n" if !defined $mask; | |
144 | return ($addr, $PVE::Network::ipv4_reverse_mask->[$mask]); | |
145 | } | |
146 | ||
41cd94a0 WB |
147 | sub configdrive2_network { |
148 | my ($conf) = @_; | |
0c9a7596 AD |
149 | |
150 | my $content = "auto lo\n"; | |
67864d19 WB |
151 | $content .= "iface lo inet loopback\n\n"; |
152 | ||
153 | my ($searchdomains, $nameservers) = get_dns_conf($conf); | |
154 | if ($nameservers && @$nameservers) { | |
155 | $nameservers = join(' ', @$nameservers); | |
156 | $content .= " dns_nameservers $nameservers\n"; | |
157 | } | |
158 | if ($searchdomains && @$searchdomains) { | |
159 | $searchdomains = join(' ', @$searchdomains); | |
160 | $content .= " dns_search $searchdomains\n"; | |
161 | } | |
0c9a7596 AD |
162 | |
163 | my @ifaces = grep(/^net(\d+)$/, keys %$conf); | |
164 | foreach my $iface (@ifaces) { | |
165 | (my $id = $iface) =~ s/^net//; | |
166 | next if !$conf->{"ipconfig$id"}; | |
41cd94a0 | 167 | my $net = PVE::QemuServer::parse_ipconfig($conf->{"ipconfig$id"}); |
0c9a7596 AD |
168 | $id = "eth$id"; |
169 | ||
170 | $content .="auto $id\n"; | |
171 | if ($net->{ip}) { | |
172 | if ($net->{ip} eq 'dhcp') { | |
173 | $content .= "iface $id inet dhcp\n"; | |
174 | } else { | |
86280789 | 175 | my ($addr, $mask) = split_ip4($net->{ip}); |
0c9a7596 | 176 | $content .= "iface $id inet static\n"; |
4efb58a9 DL |
177 | $content .= " address '$addr'\n"; |
178 | $content .= " netmask '$mask'\n"; | |
179 | $content .= " gateway '$net->{gw}'\n" if $net->{gw}; | |
0c9a7596 AD |
180 | } |
181 | } | |
182 | if ($net->{ip6}) { | |
183 | if ($net->{ip6} =~ /^(auto|dhcp)$/) { | |
184 | $content .= "iface $id inet6 $1\n"; | |
185 | } else { | |
186 | my ($addr, $mask) = split('/', $net->{ip6}); | |
187 | $content .= "iface $id inet6 static\n"; | |
4efb58a9 DL |
188 | $content .= " address '$addr'\n"; |
189 | $content .= " netmask '$mask'\n"; | |
190 | $content .= " gateway '$net->{gw6}'\n" if $net->{gw6}; | |
0c9a7596 AD |
191 | } |
192 | } | |
193 | } | |
194 | ||
0c9a7596 AD |
195 | return $content; |
196 | } | |
197 | ||
41cd94a0 WB |
198 | sub configdrive2_metadata { |
199 | my ($uuid) = @_; | |
200 | return <<"EOF"; | |
201 | { | |
202 | "uuid": "$uuid", | |
203 | "network_config": { "content_path": "/content/0000" } | |
204 | } | |
205 | EOF | |
206 | } | |
207 | ||
208 | sub generate_configdrive2 { | |
209 | my ($conf, $vmid, $drive, $volname, $storeid) = @_; | |
210 | ||
cb702ebe DL |
211 | my ($user_data, $network_data, $meta_data) = get_custom_cloudinit_files($conf); |
212 | $user_data = cloudinit_userdata($conf, $vmid) if !defined($user_data); | |
213 | $network_data = configdrive2_network($conf) if !defined($network_data); | |
41cd94a0 | 214 | |
cb702ebe DL |
215 | if (!defined($meta_data)) { |
216 | my $digest_data = $user_data . $network_data; | |
217 | my $uuid_str = Digest::SHA::sha1_hex($digest_data); | |
41cd94a0 | 218 | |
cb702ebe DL |
219 | $meta_data = configdrive2_metadata($uuid_str); |
220 | } | |
f62c36cf WB |
221 | my $files = { |
222 | '/openstack/latest/user_data' => $user_data, | |
223 | '/openstack/content/0000' => $network_data, | |
224 | '/openstack/latest/meta_data.json' => $meta_data | |
225 | }; | |
4a853915 | 226 | commit_cloudinit_disk($conf, $vmid, $drive, $volname, $storeid, $files, 'config-2'); |
41cd94a0 WB |
227 | } |
228 | ||
229 | sub nocloud_network_v2 { | |
230 | my ($conf) = @_; | |
231 | ||
232 | my $content = ''; | |
233 | ||
234 | my $head = "version: 2\n" | |
235 | . "ethernets:\n"; | |
236 | ||
67864d19 | 237 | my $dns_done; |
41cd94a0 WB |
238 | |
239 | my @ifaces = grep(/^net(\d+)$/, keys %$conf); | |
240 | foreach my $iface (@ifaces) { | |
241 | (my $id = $iface) =~ s/^net//; | |
242 | next if !$conf->{"ipconfig$id"}; | |
243 | ||
244 | # indentation - network interfaces are inside an 'ethernets' hash | |
245 | my $i = ' '; | |
246 | ||
247 | my $net = PVE::QemuServer::parse_net($conf->{$iface}); | |
248 | my $ipconfig = PVE::QemuServer::parse_ipconfig($conf->{"ipconfig$id"}); | |
249 | ||
250 | my $mac = $net->{macaddr} | |
251 | or die "network interface '$iface' has no mac address\n"; | |
252 | ||
67864d19 | 253 | $content .= "${i}$iface:\n"; |
41cd94a0 | 254 | $i .= ' '; |
67864d19 WB |
255 | $content .= "${i}match:\n" |
256 | . "${i} macaddress: \"$mac\"\n" | |
257 | . "${i}set-name: eth$id\n"; | |
41cd94a0 WB |
258 | my @addresses; |
259 | if (defined(my $ip = $ipconfig->{ip})) { | |
260 | if ($ip eq 'dhcp') { | |
67864d19 | 261 | $content .= "${i}dhcp4: true\n"; |
41cd94a0 WB |
262 | } else { |
263 | push @addresses, $ip; | |
264 | } | |
265 | } | |
266 | if (defined(my $ip = $ipconfig->{ip6})) { | |
267 | if ($ip eq 'dhcp') { | |
67864d19 | 268 | $content .= "${i}dhcp6: true\n"; |
41cd94a0 WB |
269 | } else { |
270 | push @addresses, $ip; | |
271 | } | |
272 | } | |
273 | if (@addresses) { | |
67864d19 | 274 | $content .= "${i}addresses:\n"; |
4efb58a9 | 275 | $content .= "${i}- '$_'\n" foreach @addresses; |
41cd94a0 WB |
276 | } |
277 | if (defined(my $gw = $ipconfig->{gw})) { | |
4efb58a9 | 278 | $content .= "${i}gateway4: '$gw'\n"; |
41cd94a0 WB |
279 | } |
280 | if (defined(my $gw = $ipconfig->{gw6})) { | |
4efb58a9 | 281 | $content .= "${i}gateway6: '$gw'\n"; |
41cd94a0 WB |
282 | } |
283 | ||
67864d19 WB |
284 | next if $dns_done; |
285 | $dns_done = 1; | |
286 | ||
287 | my ($searchdomains, $nameservers) = get_dns_conf($conf); | |
288 | if ($searchdomains || $nameservers) { | |
289 | $content .= "${i}nameservers:\n"; | |
290 | if (defined($nameservers) && @$nameservers) { | |
291 | $content .= "${i} addresses:\n"; | |
4efb58a9 | 292 | $content .= "${i} - '$_'\n" foreach @$nameservers; |
67864d19 WB |
293 | } |
294 | if (defined($searchdomains) && @$searchdomains) { | |
295 | $content .= "${i} search:\n"; | |
4efb58a9 | 296 | $content .= "${i} - '$_'\n" foreach @$searchdomains; |
41cd94a0 WB |
297 | } |
298 | } | |
41cd94a0 WB |
299 | } |
300 | ||
301 | return $head.$content; | |
302 | } | |
303 | ||
304 | sub nocloud_network { | |
305 | my ($conf) = @_; | |
306 | ||
307 | my $content = "version: 1\n" | |
308 | . "config:\n"; | |
309 | ||
310 | my @ifaces = grep(/^net(\d+)$/, keys %$conf); | |
311 | foreach my $iface (@ifaces) { | |
312 | (my $id = $iface) =~ s/^net//; | |
313 | next if !$conf->{"ipconfig$id"}; | |
314 | ||
315 | # indentation - network interfaces are inside an 'ethernets' hash | |
316 | my $i = ' '; | |
317 | ||
318 | my $net = PVE::QemuServer::parse_net($conf->{$iface}); | |
319 | my $ipconfig = PVE::QemuServer::parse_ipconfig($conf->{"ipconfig$id"}); | |
320 | ||
c3cedb3d | 321 | my $mac = lc($net->{macaddr}) |
41cd94a0 WB |
322 | or die "network interface '$iface' has no mac address\n"; |
323 | ||
67864d19 WB |
324 | $content .= "${i}- type: physical\n" |
325 | . "${i} name: eth$id\n" | |
4efb58a9 | 326 | . "${i} mac_address: '$mac'\n" |
67864d19 | 327 | . "${i} subnets:\n"; |
41cd94a0 WB |
328 | $i .= ' '; |
329 | if (defined(my $ip = $ipconfig->{ip})) { | |
330 | if ($ip eq 'dhcp') { | |
67864d19 | 331 | $content .= "${i}- type: dhcp4\n"; |
41cd94a0 | 332 | } else { |
86280789 | 333 | my ($addr, $mask) = split_ip4($ip); |
67864d19 | 334 | $content .= "${i}- type: static\n" |
4efb58a9 DL |
335 | . "${i} address: '$addr'\n" |
336 | . "${i} netmask: '$mask'\n"; | |
41cd94a0 | 337 | if (defined(my $gw = $ipconfig->{gw})) { |
4efb58a9 | 338 | $content .= "${i} gateway: '$gw'\n"; |
41cd94a0 WB |
339 | } |
340 | } | |
341 | } | |
342 | if (defined(my $ip = $ipconfig->{ip6})) { | |
343 | if ($ip eq 'dhcp') { | |
67864d19 | 344 | $content .= "${i}- type: dhcp6\n"; |
c701be32 DL |
345 | } elsif ($ip eq 'auto') { |
346 | # SLAAC is not supported by cloud-init, this fallback should work with an up-to-date netplan at least | |
347 | $content .= "${i}- type: dhcp6\n"; | |
41cd94a0 | 348 | } else { |
8d54522b | 349 | $content .= "${i}- type: static\n" |
4efb58a9 | 350 | . "${i} address: '$ip'\n"; |
41cd94a0 | 351 | if (defined(my $gw = $ipconfig->{gw6})) { |
4efb58a9 | 352 | $content .= "${i} gateway: '$gw'\n"; |
41cd94a0 WB |
353 | } |
354 | } | |
355 | } | |
41cd94a0 WB |
356 | } |
357 | ||
67864d19 WB |
358 | my $i = ' '; |
359 | my ($searchdomains, $nameservers) = get_dns_conf($conf); | |
360 | if ($searchdomains || $nameservers) { | |
41cd94a0 | 361 | $content .= "${i}- type: nameserver\n"; |
67864d19 | 362 | if (defined($nameservers) && @$nameservers) { |
41cd94a0 | 363 | $content .= "${i} address:\n"; |
4efb58a9 | 364 | $content .= "${i} - '$_'\n" foreach @$nameservers; |
41cd94a0 | 365 | } |
67864d19 | 366 | if (defined($searchdomains) && @$searchdomains) { |
41cd94a0 | 367 | $content .= "${i} search:\n"; |
4efb58a9 | 368 | $content .= "${i} - '$_'\n" foreach @$searchdomains; |
41cd94a0 WB |
369 | } |
370 | } | |
371 | ||
372 | return $content; | |
373 | } | |
374 | ||
375 | sub nocloud_metadata { | |
e8ac2138 WB |
376 | my ($uuid) = @_; |
377 | return "instance-id: $uuid\n"; | |
41cd94a0 WB |
378 | } |
379 | ||
380 | sub generate_nocloud { | |
381 | my ($conf, $vmid, $drive, $volname, $storeid) = @_; | |
382 | ||
cb702ebe DL |
383 | my ($user_data, $network_data, $meta_data) = get_custom_cloudinit_files($conf); |
384 | $user_data = cloudinit_userdata($conf, $vmid) if !defined($user_data); | |
385 | $network_data = nocloud_network($conf) if !defined($network_data); | |
41cd94a0 | 386 | |
cb702ebe DL |
387 | if (!defined($meta_data)) { |
388 | my $digest_data = $user_data . $network_data; | |
389 | my $uuid_str = Digest::SHA::sha1_hex($digest_data); | |
41cd94a0 | 390 | |
cb702ebe DL |
391 | $meta_data = nocloud_metadata($uuid_str); |
392 | } | |
41cd94a0 | 393 | |
f62c36cf WB |
394 | my $files = { |
395 | '/user-data' => $user_data, | |
396 | '/network-config' => $network_data, | |
397 | '/meta-data' => $meta_data | |
398 | }; | |
4a853915 | 399 | commit_cloudinit_disk($conf, $vmid, $drive, $volname, $storeid, $files, 'cidata'); |
41cd94a0 WB |
400 | } |
401 | ||
cb702ebe DL |
402 | sub get_custom_cloudinit_files { |
403 | my ($conf) = @_; | |
404 | ||
405 | my $cicustom = $conf->{cicustom}; | |
406 | my $files = $cicustom ? PVE::JSONSchema::parse_property_string('pve-qm-cicustom', $cicustom) : {}; | |
407 | ||
408 | my $network_volid = $files->{network}; | |
409 | my $user_volid = $files->{user}; | |
410 | my $meta_volid = $files->{meta}; | |
411 | ||
412 | my $storage_conf = PVE::Storage::config(); | |
413 | ||
414 | my $network_data; | |
415 | if ($network_volid) { | |
416 | $network_data = read_cloudinit_snippets_file($storage_conf, $network_volid); | |
417 | } | |
418 | ||
419 | my $user_data; | |
420 | if ($user_volid) { | |
421 | $user_data = read_cloudinit_snippets_file($storage_conf, $user_volid); | |
422 | } | |
423 | ||
424 | my $meta_data; | |
425 | if ($meta_volid) { | |
426 | $meta_data = read_cloudinit_snippets_file($storage_conf, $meta_volid); | |
427 | } | |
428 | ||
429 | return ($user_data, $network_data, $meta_data); | |
430 | } | |
431 | ||
432 | sub read_cloudinit_snippets_file { | |
433 | my ($storage_conf, $volid) = @_; | |
434 | ||
435 | my ($full_path, undef, $type) = PVE::Storage::path($storage_conf, $volid); | |
436 | die "$volid is not in the snippets directory\n" if $type ne 'snippets'; | |
437 | return PVE::Tools::file_get_contents($full_path); | |
438 | } | |
439 | ||
41cd94a0 WB |
440 | my $cloudinit_methods = { |
441 | configdrive2 => \&generate_configdrive2, | |
442 | nocloud => \&generate_nocloud, | |
443 | }; | |
444 | ||
445 | sub generate_cloudinitconfig { | |
446 | my ($conf, $vmid) = @_; | |
447 | ||
448 | my $format = get_cloudinit_format($conf); | |
449 | ||
450 | PVE::QemuServer::foreach_drive($conf, sub { | |
451 | my ($ds, $drive) = @_; | |
452 | ||
453 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file}, 1); | |
454 | ||
455 | return if !$volname || $volname !~ m/vm-$vmid-cloudinit/; | |
456 | ||
457 | my $generator = $cloudinit_methods->{$format} | |
458 | or die "missing cloudinit methods for format '$format'\n"; | |
459 | ||
460 | $generator->($conf, $vmid, $drive, $volname, $storeid); | |
461 | }); | |
462 | } | |
0c9a7596 AD |
463 | |
464 | 1; |