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Commit | Line | Data |
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fa253735 | 1 | package PVE::Network::SDN::Controllers::EvpnPlugin; |
32602a38 AD |
2 | |
3 | use strict; | |
4 | use warnings; | |
cdf2c819 | 5 | |
074d270b AD |
6 | use PVE::INotify; |
7 | use PVE::JSONSchema qw(get_standard_option); | |
cdf2c819 TL |
8 | use PVE::Tools qw(run_command file_set_contents file_get_contents); |
9 | ||
10 | use PVE::Network::SDN::Controllers::Plugin; | |
1f543c5f | 11 | use PVE::Network::SDN::Zones::Plugin; |
f23633dc | 12 | use Net::IP; |
cdf2c819 | 13 | |
f5eabba0 | 14 | use base('PVE::Network::SDN::Controllers::Plugin'); |
32602a38 AD |
15 | |
16 | sub type { | |
fa253735 | 17 | return 'evpn'; |
8fb1ee7f AD |
18 | } |
19 | ||
32602a38 AD |
20 | sub properties { |
21 | return { | |
92526f0e TL |
22 | asn => { |
23 | type => 'integer', | |
24 | description => "autonomous system number", | |
9e6b99fd AD |
25 | minimum => 0, |
26 | maximum => 4294967296 | |
92526f0e TL |
27 | }, |
28 | peers => { | |
29 | description => "peers address list.", | |
30 | type => 'string', format => 'ip-list' | |
31 | }, | |
32602a38 AD |
32 | }; |
33 | } | |
34 | ||
35 | sub options { | |
32602a38 | 36 | return { |
92526f0e TL |
37 | 'asn' => { optional => 0 }, |
38 | 'peers' => { optional => 0 }, | |
32602a38 AD |
39 | }; |
40 | } | |
41 | ||
42 | # Plugin implementation | |
8fb1ee7f | 43 | sub generate_controller_config { |
f23633dc | 44 | my ($class, $plugin_config, $controller_cfg, $id, $uplinks, $config) = @_; |
32602a38 | 45 | |
3caa7687 FG |
46 | my @peers; |
47 | @peers = PVE::Tools::split_list($plugin_config->{'peers'}) if $plugin_config->{'peers'}; | |
32602a38 | 48 | |
f23633dc AD |
49 | my $local_node = PVE::INotify::nodename(); |
50 | ||
074d270b | 51 | my $asn = $plugin_config->{asn}; |
f23633dc AD |
52 | my $ebgp = undef; |
53 | my $loopback = undef; | |
54 | my $autortas = undef; | |
55 | my $bgprouter = find_bgp_controller($local_node, $controller_cfg); | |
56 | if($bgprouter) { | |
57 | $ebgp = 1 if $plugin_config->{'asn'} ne $bgprouter->{asn}; | |
58 | $loopback = $bgprouter->{loopback} if $bgprouter->{loopback}; | |
59 | $asn = $bgprouter->{asn} if $bgprouter->{asn}; | |
60 | $autortas = $plugin_config->{'asn'} if $ebgp; | |
61 | } | |
074d270b AD |
62 | |
63 | return if !$asn; | |
32602a38 | 64 | |
92526f0e TL |
65 | my $bgp = $config->{frr}->{router}->{"bgp $asn"} //= {}; |
66 | ||
f23633dc | 67 | my ($ifaceip, $interface) = PVE::Network::SDN::Zones::Plugin::find_local_ip_interface_peers(\@peers, $loopback); |
32602a38 | 68 | |
f23633dc | 69 | my $remoteas = $ebgp ? "external" : $asn; |
17854295 | 70 | |
f23633dc | 71 | #global options |
92526f0e TL |
72 | my @controller_config = ( |
73 | "bgp router-id $ifaceip", | |
74 | "no bgp default ipv4-unicast", | |
75 | "coalesce-time 1000", | |
76 | ); | |
32602a38 | 77 | |
f23633dc AD |
78 | push(@{$bgp->{""}}, @controller_config) if keys %{$bgp} == 0; |
79 | ||
80 | @controller_config = (); | |
81 | ||
82 | #VTEP neighbors | |
83 | push @controller_config, "neighbor VTEP peer-group"; | |
84 | push @controller_config, "neighbor VTEP remote-as $remoteas"; | |
85 | push @controller_config, "neighbor VTEP bfd"; | |
86 | ||
87 | if($ebgp && $loopback) { | |
88 | push @controller_config, "neighbor VTEP ebgp-multihop 10"; | |
89 | push @controller_config, "neighbor VTEP update-source $loopback"; | |
90 | } | |
91 | ||
92 | # VTEP peers | |
32602a38 AD |
93 | foreach my $address (@peers) { |
94 | next if $address eq $ifaceip; | |
f23633dc | 95 | push @controller_config, "neighbor $address peer-group VTEP"; |
7d35eaf5 | 96 | } |
074d270b | 97 | |
92526f0e | 98 | push(@{$bgp->{""}}, @controller_config); |
074d270b | 99 | |
f23633dc | 100 | # address-family l2vpn |
56cdcac9 | 101 | @controller_config = (); |
916488cc | 102 | push @controller_config, "neighbor VTEP route-map MAP_VTEP_IN in"; |
847f5144 | 103 | push @controller_config, "neighbor VTEP route-map MAP_VTEP_OUT out"; |
f23633dc | 104 | push @controller_config, "neighbor VTEP activate"; |
56cdcac9 | 105 | push @controller_config, "advertise-all-vni"; |
f23633dc | 106 | push @controller_config, "autort as $autortas" if $autortas; |
92526f0e | 107 | push(@{$bgp->{"address-family"}->{"l2vpn evpn"}}, @controller_config); |
32602a38 | 108 | |
916488cc AD |
109 | my $routemap = { rule => undef, action => "permit" }; |
110 | push(@{$config->{frr_routemap}->{'MAP_VTEP_IN'}}, $routemap ); | |
111 | push(@{$config->{frr_routemap}->{'MAP_VTEP_OUT'}}, $routemap ); | |
847f5144 | 112 | |
32602a38 AD |
113 | return $config; |
114 | } | |
115 | ||
56cdcac9 | 116 | sub generate_controller_zone_config { |
f23633dc AD |
117 | my ($class, $plugin_config, $controller, $controller_cfg, $id, $uplinks, $config) = @_; |
118 | ||
119 | my $local_node = PVE::INotify::nodename(); | |
0589eb09 | 120 | |
1de0abc0 | 121 | my $vrf = "vrf_$id"; |
0589eb09 | 122 | my $vrfvxlan = $plugin_config->{'vrf-vxlan'}; |
f23633dc | 123 | my $exitnodes = $plugin_config->{'exitnodes'}; |
847f5144 | 124 | my $exitnodes_primary = $plugin_config->{'exitnodes-primary'}; |
92d8effb | 125 | my $advertisesubnets = $plugin_config->{'advertise-subnets'}; |
3d135423 | 126 | my $exitnodes_local_routing = $plugin_config->{'exitnodes-local-routing'}; |
96794fd6 | 127 | my $rt_import = [PVE::Tools::split_list($plugin_config->{'rt-import'})] if $plugin_config->{'rt-import'}; |
f23633dc | 128 | |
56cdcac9 | 129 | my $asn = $controller->{asn}; |
f34a898e | 130 | my @peers = PVE::Tools::split_list($controller->{'peers'}) if $controller->{'peers'}; |
f23633dc AD |
131 | my $ebgp = undef; |
132 | my $loopback = undef; | |
133 | my $autortas = undef; | |
134 | my $bgprouter = find_bgp_controller($local_node, $controller_cfg); | |
135 | if($bgprouter) { | |
136 | $ebgp = 1 if $controller->{'asn'} ne $bgprouter->{asn}; | |
137 | $loopback = $bgprouter->{loopback} if $bgprouter->{loopback}; | |
138 | $asn = $bgprouter->{asn} if $bgprouter->{asn}; | |
139 | $autortas = $controller->{'asn'} if $ebgp; | |
140 | } | |
0589eb09 AD |
141 | |
142 | return if !$vrf || !$vrfvxlan || !$asn; | |
143 | ||
f34a898e AD |
144 | my ($ifaceip, $interface) = PVE::Network::SDN::Zones::Plugin::find_local_ip_interface_peers(\@peers, $loopback); |
145 | ||
92526f0e | 146 | # vrf |
56cdcac9 AD |
147 | my @controller_config = (); |
148 | push @controller_config, "vni $vrfvxlan"; | |
149 | push(@{$config->{frr}->{vrf}->{"$vrf"}}, @controller_config); | |
0589eb09 | 150 | |
f23633dc AD |
151 | #main vrf router |
152 | @controller_config = (); | |
f34a898e | 153 | push @controller_config, "bgp router-id $ifaceip"; |
f23633dc AD |
154 | # push @controller_config, "!"; |
155 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{""}}, @controller_config); | |
659c27c2 | 156 | |
f23633dc AD |
157 | if ($autortas) { |
158 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, "route-target import $autortas:$vrfvxlan"); | |
159 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, "route-target export $autortas:$vrfvxlan"); | |
160 | } | |
0589eb09 | 161 | |
b634e577 AD |
162 | my $is_gateway = $exitnodes->{$local_node}; |
163 | ||
0589eb09 AD |
164 | if ($is_gateway) { |
165 | ||
916488cc AD |
166 | if(!$exitnodes_primary || $exitnodes_primary eq $local_node) { |
167 | #filter default type5 route coming from other exit nodes on primary node or both nodes if no primary is defined. | |
168 | my $routemap_config = (); | |
169 | push @{$routemap_config}, "match evpn route-type prefix"; | |
170 | my $routemap = { rule => $routemap_config, action => "deny" }; | |
171 | unshift(@{$config->{frr_routemap}->{'MAP_VTEP_IN'}}, $routemap); | |
172 | } elsif ($exitnodes_primary ne $local_node) { | |
847f5144 AD |
173 | my $routemap_config = (); |
174 | push @{$routemap_config}, "match evpn vni $vrfvxlan"; | |
175 | push @{$routemap_config}, "match evpn route-type prefix"; | |
176 | push @{$routemap_config}, "set metric 200"; | |
916488cc AD |
177 | my $routemap = { rule => $routemap_config, action => "permit" }; |
178 | unshift(@{$config->{frr_routemap}->{'MAP_VTEP_OUT'}}, $routemap); | |
847f5144 AD |
179 | } |
180 | ||
916488cc | 181 | |
3d135423 AD |
182 | if (!$exitnodes_local_routing) { |
183 | @controller_config = (); | |
184 | #import /32 routes of evpn network from vrf1 to default vrf (for packet return) | |
185 | push @controller_config, "import vrf $vrf"; | |
186 | push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"ipv4 unicast"}}, @controller_config); | |
187 | push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"ipv6 unicast"}}, @controller_config); | |
0589eb09 | 188 | |
3d135423 AD |
189 | @controller_config = (); |
190 | #redistribute connected to be able to route to local vms on the gateway | |
191 | push @controller_config, "redistribute connected"; | |
192 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv4 unicast"}}, @controller_config); | |
193 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv6 unicast"}}, @controller_config); | |
194 | } | |
0589eb09 | 195 | |
56cdcac9 | 196 | @controller_config = (); |
0589eb09 | 197 | #add default originate to announce 0.0.0.0/0 type5 route in evpn |
56cdcac9 AD |
198 | push @controller_config, "default-originate ipv4"; |
199 | push @controller_config, "default-originate ipv6"; | |
200 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, @controller_config); | |
92d8effb AD |
201 | } elsif ($advertisesubnets) { |
202 | ||
203 | @controller_config = (); | |
204 | #redistribute connected networks | |
205 | push @controller_config, "redistribute connected"; | |
206 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv4 unicast"}}, @controller_config); | |
207 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv6 unicast"}}, @controller_config); | |
208 | ||
209 | @controller_config = (); | |
210 | #advertise connected networks type5 route in evpn | |
211 | push @controller_config, "advertise ipv4 unicast"; | |
212 | push @controller_config, "advertise ipv6 unicast"; | |
213 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, @controller_config); | |
0589eb09 AD |
214 | } |
215 | ||
96794fd6 AD |
216 | if($rt_import) { |
217 | @controller_config = (); | |
218 | foreach my $rt (sort @{$rt_import}) { | |
219 | push @controller_config, "route-target import $rt"; | |
220 | } | |
221 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, @controller_config); | |
222 | } | |
223 | ||
0589eb09 AD |
224 | return $config; |
225 | } | |
226 | ||
3d135423 AD |
227 | sub generate_controller_vnet_config { |
228 | my ($class, $plugin_config, $controller, $zone, $zoneid, $vnetid, $config) = @_; | |
229 | ||
230 | my $exitnodes = $zone->{'exitnodes'}; | |
231 | my $exitnodes_local_routing = $zone->{'exitnodes-local-routing'}; | |
232 | ||
233 | return if !$exitnodes_local_routing; | |
234 | ||
235 | my $local_node = PVE::INotify::nodename(); | |
236 | my $is_gateway = $exitnodes->{$local_node}; | |
237 | ||
238 | return if !$is_gateway; | |
239 | ||
240 | my $subnets = PVE::Network::SDN::Vnets::get_subnets($vnetid, 1); | |
241 | my @controller_config = (); | |
242 | foreach my $subnetid (sort keys %{$subnets}) { | |
243 | my $subnet = $subnets->{$subnetid}; | |
244 | my $cidr = $subnet->{cidr}; | |
245 | push @controller_config, "ip route $cidr 10.255.255.2 xvrf_$zoneid"; | |
246 | } | |
247 | push(@{$config->{frr}->{''}}, @controller_config); | |
248 | } | |
249 | ||
32602a38 | 250 | sub on_delete_hook { |
56cdcac9 | 251 | my ($class, $controllerid, $zone_cfg) = @_; |
32602a38 | 252 | |
56cdcac9 AD |
253 | # verify that zone is associated to this controller |
254 | foreach my $id (keys %{$zone_cfg->{ids}}) { | |
92526f0e TL |
255 | my $zone = $zone_cfg->{ids}->{$id}; |
256 | die "controller $controllerid is used by $id" | |
257 | if (defined($zone->{controller}) && $zone->{controller} eq $controllerid); | |
5bda8607 | 258 | } |
32602a38 AD |
259 | } |
260 | ||
261 | sub on_update_hook { | |
56cdcac9 | 262 | my ($class, $controllerid, $controller_cfg) = @_; |
5bda8607 | 263 | |
c7bb4ac5 AD |
264 | # we can only have 1 evpn controller / 1 asn by server |
265 | ||
f23633dc | 266 | my $controllernb = 0; |
56cdcac9 AD |
267 | foreach my $id (keys %{$controller_cfg->{ids}}) { |
268 | next if $id eq $controllerid; | |
92526f0e | 269 | my $controller = $controller_cfg->{ids}->{$id}; |
f23633dc AD |
270 | next if $controller->{type} ne "evpn"; |
271 | $controllernb++; | |
272 | die "only 1 global evpn controller can be defined" if $controllernb > 1; | |
273 | } | |
274 | } | |
275 | ||
276 | sub find_bgp_controller { | |
277 | my ($nodename, $controller_cfg) = @_; | |
278 | ||
279 | my $controller = undef; | |
280 | foreach my $id (keys %{$controller_cfg->{ids}}) { | |
281 | $controller = $controller_cfg->{ids}->{$id}; | |
282 | next if $controller->{type} ne 'bgp'; | |
283 | next if $controller->{node} ne $nodename; | |
284 | last; | |
5bda8607 | 285 | } |
f23633dc AD |
286 | |
287 | return $controller; | |
32602a38 AD |
288 | } |
289 | ||
f23633dc | 290 | |
8fb1ee7f AD |
291 | sub sort_frr_config { |
292 | my $order = {}; | |
293 | $order->{''} = 0; | |
294 | $order->{'vrf'} = 1; | |
295 | $order->{'ipv4 unicast'} = 1; | |
296 | $order->{'ipv6 unicast'} = 2; | |
297 | $order->{'l2vpn evpn'} = 3; | |
298 | ||
299 | my $a_val = 100; | |
300 | my $b_val = 100; | |
301 | ||
302 | $a_val = $order->{$a} if defined($order->{$a}); | |
303 | $b_val = $order->{$b} if defined($order->{$b}); | |
304 | ||
92526f0e | 305 | if ($a =~ /bgp (\d+)$/) { |
8fb1ee7f AD |
306 | $a_val = 2; |
307 | } | |
308 | ||
92526f0e | 309 | if ($b =~ /bgp (\d+)$/) { |
8fb1ee7f AD |
310 | $b_val = 2; |
311 | } | |
312 | ||
313 | return $a_val <=> $b_val; | |
314 | } | |
315 | ||
316 | sub generate_frr_recurse{ | |
317 | my ($final_config, $content, $parentkey, $level) = @_; | |
318 | ||
319 | my $keylist = {}; | |
320 | $keylist->{vrf} = 1; | |
321 | $keylist->{'address-family'} = 1; | |
322 | $keylist->{router} = 1; | |
323 | ||
324 | my $exitkeylist = {}; | |
325 | $exitkeylist->{vrf} = 1; | |
326 | $exitkeylist->{'address-family'} = 1; | |
327 | ||
92526f0e | 328 | # FIXME: make this generic |
8fb1ee7f | 329 | my $paddinglevel = undef; |
92526f0e TL |
330 | if ($level == 1 || $level == 2) { |
331 | $paddinglevel = $level - 1; | |
8fb1ee7f | 332 | } elsif ($level == 3 || $level == 4) { |
92526f0e | 333 | $paddinglevel = $level - 2; |
8fb1ee7f AD |
334 | } |
335 | ||
336 | my $padding = ""; | |
337 | $padding = ' ' x ($paddinglevel) if $paddinglevel; | |
338 | ||
92526f0e | 339 | if (ref $content eq 'HASH') { |
8fb1ee7f AD |
340 | foreach my $key (sort sort_frr_config keys %$content) { |
341 | if ($parentkey && defined($keylist->{$parentkey})) { | |
92526f0e TL |
342 | push @{$final_config}, $padding."!"; |
343 | push @{$final_config}, $padding."$parentkey $key"; | |
344 | } elsif ($key ne '' && !defined($keylist->{$key})) { | |
345 | push @{$final_config}, $padding."$key"; | |
8fb1ee7f AD |
346 | } |
347 | ||
348 | my $option = $content->{$key}; | |
349 | generate_frr_recurse($final_config, $option, $key, $level+1); | |
350 | ||
351 | push @{$final_config}, $padding."exit-$parentkey" if $parentkey && defined($exitkeylist->{$parentkey}); | |
352 | } | |
353 | } | |
32602a38 | 354 | |
8fb1ee7f | 355 | if (ref $content eq 'ARRAY') { |
92526f0e | 356 | push @{$final_config}, map { $padding . "$_" } @$content; |
8fb1ee7f AD |
357 | } |
358 | } | |
359 | ||
847f5144 AD |
360 | sub generate_frr_routemap { |
361 | my ($final_config, $routemaps) = @_; | |
362 | ||
363 | foreach my $id (sort keys %$routemaps) { | |
364 | ||
365 | my $routemap = $routemaps->{$id}; | |
366 | my $order = 0; | |
367 | foreach my $seq (@$routemap) { | |
368 | $order++; | |
916488cc | 369 | next if !defined($seq->{action}); |
847f5144 AD |
370 | my @config = (); |
371 | push @config, "!"; | |
916488cc AD |
372 | push @config, "route-map $id $seq->{action} $order"; |
373 | my $rule = $seq->{rule}; | |
374 | push @config, map { " $_" } @$rule; | |
847f5144 AD |
375 | push @{$final_config}, @config; |
376 | } | |
377 | } | |
378 | } | |
9cef13e9 | 379 | sub generate_controller_rawconfig { |
8fb1ee7f AD |
380 | my ($class, $plugin_config, $config) = @_; |
381 | ||
659c27c2 AD |
382 | my $nodename = PVE::INotify::nodename(); |
383 | ||
8fb1ee7f | 384 | my $final_config = []; |
4bd3d7bf | 385 | push @{$final_config}, "frr version 8.2.2"; |
67a0f815 | 386 | push @{$final_config}, "frr defaults datacenter"; |
659c27c2 | 387 | push @{$final_config}, "hostname $nodename"; |
9c7dded6 AD |
388 | push @{$final_config}, "log syslog informational"; |
389 | push @{$final_config}, "service integrated-vtysh-config"; | |
8fb1ee7f AD |
390 | push @{$final_config}, "!"; |
391 | ||
0d1ab7dc | 392 | if (-e "/etc/frr/frr.conf.local") { |
0d1ab7dc | 393 | generate_frr_recurse($final_config, $config->{frr}->{vrf}, "vrf", 1); |
847f5144 | 394 | generate_frr_routemap($final_config, $config->{frr_routemap}); |
0d1ab7dc AD |
395 | push @{$final_config}, "!"; |
396 | ||
cdf2c819 TL |
397 | my $local_conf = file_get_contents("/etc/frr/frr.conf.local"); |
398 | chomp ($local_conf); | |
399 | push @{$final_config}, $local_conf; | |
0d1ab7dc AD |
400 | } else { |
401 | generate_frr_recurse($final_config, $config->{frr}, undef, 0); | |
847f5144 | 402 | generate_frr_routemap($final_config, $config->{frr_routemap}); |
0d1ab7dc | 403 | } |
8fb1ee7f AD |
404 | |
405 | push @{$final_config}, "!"; | |
406 | push @{$final_config}, "line vty"; | |
407 | push @{$final_config}, "!"; | |
408 | ||
409 | my $rawconfig = join("\n", @{$final_config}); | |
410 | ||
9cef13e9 AD |
411 | return if !$rawconfig; |
412 | return $rawconfig; | |
413 | } | |
414 | ||
415 | sub write_controller_config { | |
416 | my ($class, $plugin_config, $config) = @_; | |
417 | ||
418 | my $rawconfig = $class->generate_controller_rawconfig($plugin_config, $config); | |
8fb1ee7f AD |
419 | return if !$rawconfig; |
420 | return if !-d "/etc/frr"; | |
421 | ||
cdf2c819 | 422 | file_set_contents("/etc/frr/frr.conf", $rawconfig); |
8fb1ee7f AD |
423 | } |
424 | ||
fa609bdd AD |
425 | sub reload_controller { |
426 | my ($class) = @_; | |
427 | ||
428 | my $conf_file = "/etc/frr/frr.conf"; | |
659c27c2 AD |
429 | my $bin_path = "/usr/lib/frr/frr-reload.py"; |
430 | ||
431 | if (!-e $bin_path) { | |
432 | warn "missing $bin_path. Please install frr-pythontools package"; | |
433 | return; | |
434 | } | |
fa609bdd AD |
435 | |
436 | my $err = sub { | |
437 | my $line = shift; | |
659c27c2 AD |
438 | if ($line =~ /ERROR:/) { |
439 | warn "$line \n"; | |
fa609bdd AD |
440 | } |
441 | }; | |
442 | ||
443 | if (-e $conf_file && -e $bin_path) { | |
9c24bcc5 AD |
444 | eval { |
445 | run_command([$bin_path, '--stdout', '--reload', $conf_file], outfunc => {}, errfunc => $err); | |
446 | }; | |
447 | if ($@) { | |
448 | warn "frr reload command fail. Restarting frr."; | |
449 | eval { run_command(['systemctl', 'restart', 'frr']); }; | |
450 | } | |
fa609bdd AD |
451 | } |
452 | } | |
453 | ||
8fb1ee7f | 454 | 1; |
32602a38 | 455 | |
0589eb09 | 456 |