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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; |
cdf2c819 | 12 | |
f5eabba0 | 13 | use base('PVE::Network::SDN::Controllers::Plugin'); |
32602a38 AD |
14 | |
15 | sub type { | |
fa253735 | 16 | return 'evpn'; |
8fb1ee7f AD |
17 | } |
18 | ||
32602a38 AD |
19 | sub properties { |
20 | return { | |
92526f0e TL |
21 | asn => { |
22 | type => 'integer', | |
23 | description => "autonomous system number", | |
24 | }, | |
25 | peers => { | |
26 | description => "peers address list.", | |
27 | type => 'string', format => 'ip-list' | |
28 | }, | |
074d270b | 29 | 'gateway-nodes' => get_standard_option('pve-node-list'), |
92526f0e TL |
30 | 'gateway-external-peers' => { |
31 | description => "upstream bgp peers address list.", | |
32 | type => 'string', format => 'ip-list' | |
33 | }, | |
32602a38 AD |
34 | }; |
35 | } | |
36 | ||
37 | sub options { | |
32602a38 | 38 | return { |
92526f0e TL |
39 | 'asn' => { optional => 0 }, |
40 | 'peers' => { optional => 0 }, | |
074d270b AD |
41 | 'gateway-nodes' => { optional => 1 }, |
42 | 'gateway-external-peers' => { optional => 1 }, | |
32602a38 AD |
43 | }; |
44 | } | |
45 | ||
46 | # Plugin implementation | |
8fb1ee7f | 47 | sub generate_controller_config { |
56cdcac9 | 48 | my ($class, $plugin_config, $controller, $id, $uplinks, $config) = @_; |
32602a38 | 49 | |
5a60da84 | 50 | my @peers = PVE::Tools::split_list($plugin_config->{'peers'}) if $plugin_config->{'peers'}; |
32602a38 | 51 | |
074d270b | 52 | my $asn = $plugin_config->{asn}; |
074d270b | 53 | my $gatewaynodes = $plugin_config->{'gateway-nodes'}; |
5a60da84 | 54 | my @gatewaypeers = PVE::Tools::split_list($plugin_config->{'gateway-external-peers'}) if $plugin_config->{'gateway-external-peers'}; |
074d270b AD |
55 | |
56 | return if !$asn; | |
32602a38 | 57 | |
92526f0e TL |
58 | my $bgp = $config->{frr}->{router}->{"bgp $asn"} //= {}; |
59 | ||
1f543c5f | 60 | my ($ifaceip, $interface) = PVE::Network::SDN::Zones::Plugin::find_local_ip_interface_peers(\@peers); |
32602a38 | 61 | |
074d270b AD |
62 | my $is_gateway = undef; |
63 | my $local_node = PVE::INotify::nodename(); | |
64 | ||
65 | foreach my $gatewaynode (PVE::Tools::split_list($gatewaynodes)) { | |
92526f0e | 66 | $is_gateway = 1 if $gatewaynode eq $local_node; |
074d270b | 67 | } |
17854295 | 68 | |
92526f0e TL |
69 | my @controller_config = ( |
70 | "bgp router-id $ifaceip", | |
71 | "no bgp default ipv4-unicast", | |
72 | "coalesce-time 1000", | |
73 | ); | |
32602a38 AD |
74 | |
75 | foreach my $address (@peers) { | |
76 | next if $address eq $ifaceip; | |
56cdcac9 | 77 | push @controller_config, "neighbor $address remote-as $asn"; |
7d35eaf5 | 78 | } |
074d270b AD |
79 | |
80 | if ($is_gateway) { | |
81 | foreach my $address (@gatewaypeers) { | |
56cdcac9 | 82 | push @controller_config, "neighbor $address remote-as external"; |
074d270b AD |
83 | } |
84 | } | |
92526f0e | 85 | push(@{$bgp->{""}}, @controller_config); |
074d270b | 86 | |
56cdcac9 | 87 | @controller_config = (); |
32602a38 AD |
88 | foreach my $address (@peers) { |
89 | next if $address eq $ifaceip; | |
56cdcac9 | 90 | push @controller_config, "neighbor $address activate"; |
32602a38 | 91 | } |
56cdcac9 | 92 | push @controller_config, "advertise-all-vni"; |
92526f0e | 93 | push(@{$bgp->{"address-family"}->{"l2vpn evpn"}}, @controller_config); |
32602a38 | 94 | |
074d270b | 95 | if ($is_gateway) { |
92526f0e TL |
96 | # import /32 routes of evpn network from vrf1 to default vrf (for packet return) |
97 | @controller_config = map { "neighbor $_ activate" } @gatewaypeers; | |
074d270b | 98 | |
92526f0e TL |
99 | push(@{$bgp->{"address-family"}->{"ipv4 unicast"}}, @controller_config); |
100 | push(@{$bgp->{"address-family"}->{"ipv6 unicast"}}, @controller_config); | |
074d270b AD |
101 | } |
102 | ||
32602a38 AD |
103 | return $config; |
104 | } | |
105 | ||
56cdcac9 AD |
106 | sub generate_controller_zone_config { |
107 | my ($class, $plugin_config, $controller, $id, $uplinks, $config) = @_; | |
0589eb09 | 108 | |
1de0abc0 | 109 | my $vrf = "vrf_$id"; |
0589eb09 | 110 | my $vrfvxlan = $plugin_config->{'vrf-vxlan'}; |
56cdcac9 AD |
111 | my $asn = $controller->{asn}; |
112 | my $gatewaynodes = $controller->{'gateway-nodes'}; | |
0589eb09 AD |
113 | |
114 | return if !$vrf || !$vrfvxlan || !$asn; | |
115 | ||
92526f0e | 116 | # vrf |
56cdcac9 AD |
117 | my @controller_config = (); |
118 | push @controller_config, "vni $vrfvxlan"; | |
119 | push(@{$config->{frr}->{vrf}->{"$vrf"}}, @controller_config); | |
0589eb09 | 120 | |
659c27c2 AD |
121 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{""}}, "!"); |
122 | ||
0589eb09 AD |
123 | my $local_node = PVE::INotify::nodename(); |
124 | ||
92526f0e | 125 | my $is_gateway = grep { $_ eq $local_node } PVE::Tools::split_list($gatewaynodes); |
0589eb09 AD |
126 | if ($is_gateway) { |
127 | ||
56cdcac9 | 128 | @controller_config = (); |
0589eb09 | 129 | #import /32 routes of evpn network from vrf1 to default vrf (for packet return) |
56cdcac9 AD |
130 | push @controller_config, "import vrf $vrf"; |
131 | push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"ipv4 unicast"}}, @controller_config); | |
132 | push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"ipv6 unicast"}}, @controller_config); | |
0589eb09 | 133 | |
56cdcac9 | 134 | @controller_config = (); |
0589eb09 | 135 | #redistribute connected to be able to route to local vms on the gateway |
56cdcac9 AD |
136 | push @controller_config, "redistribute connected"; |
137 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv4 unicast"}}, @controller_config); | |
138 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv6 unicast"}}, @controller_config); | |
0589eb09 | 139 | |
56cdcac9 | 140 | @controller_config = (); |
0589eb09 | 141 | #add default originate to announce 0.0.0.0/0 type5 route in evpn |
56cdcac9 AD |
142 | push @controller_config, "default-originate ipv4"; |
143 | push @controller_config, "default-originate ipv6"; | |
144 | push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, @controller_config); | |
0589eb09 AD |
145 | } |
146 | ||
147 | return $config; | |
148 | } | |
149 | ||
32602a38 | 150 | sub on_delete_hook { |
56cdcac9 | 151 | my ($class, $controllerid, $zone_cfg) = @_; |
32602a38 | 152 | |
56cdcac9 AD |
153 | # verify that zone is associated to this controller |
154 | foreach my $id (keys %{$zone_cfg->{ids}}) { | |
92526f0e TL |
155 | my $zone = $zone_cfg->{ids}->{$id}; |
156 | die "controller $controllerid is used by $id" | |
157 | if (defined($zone->{controller}) && $zone->{controller} eq $controllerid); | |
5bda8607 | 158 | } |
32602a38 AD |
159 | } |
160 | ||
161 | sub on_update_hook { | |
56cdcac9 | 162 | my ($class, $controllerid, $controller_cfg) = @_; |
5bda8607 | 163 | |
c7bb4ac5 AD |
164 | # we can only have 1 evpn controller / 1 asn by server |
165 | ||
56cdcac9 AD |
166 | foreach my $id (keys %{$controller_cfg->{ids}}) { |
167 | next if $id eq $controllerid; | |
92526f0e TL |
168 | my $controller = $controller_cfg->{ids}->{$id}; |
169 | die "only 1 evpn controller can be defined" if $controller->{type} eq "evpn"; | |
5bda8607 | 170 | } |
32602a38 AD |
171 | } |
172 | ||
8fb1ee7f AD |
173 | sub sort_frr_config { |
174 | my $order = {}; | |
175 | $order->{''} = 0; | |
176 | $order->{'vrf'} = 1; | |
177 | $order->{'ipv4 unicast'} = 1; | |
178 | $order->{'ipv6 unicast'} = 2; | |
179 | $order->{'l2vpn evpn'} = 3; | |
180 | ||
181 | my $a_val = 100; | |
182 | my $b_val = 100; | |
183 | ||
184 | $a_val = $order->{$a} if defined($order->{$a}); | |
185 | $b_val = $order->{$b} if defined($order->{$b}); | |
186 | ||
92526f0e | 187 | if ($a =~ /bgp (\d+)$/) { |
8fb1ee7f AD |
188 | $a_val = 2; |
189 | } | |
190 | ||
92526f0e | 191 | if ($b =~ /bgp (\d+)$/) { |
8fb1ee7f AD |
192 | $b_val = 2; |
193 | } | |
194 | ||
195 | return $a_val <=> $b_val; | |
196 | } | |
197 | ||
198 | sub generate_frr_recurse{ | |
199 | my ($final_config, $content, $parentkey, $level) = @_; | |
200 | ||
201 | my $keylist = {}; | |
202 | $keylist->{vrf} = 1; | |
203 | $keylist->{'address-family'} = 1; | |
204 | $keylist->{router} = 1; | |
205 | ||
206 | my $exitkeylist = {}; | |
207 | $exitkeylist->{vrf} = 1; | |
208 | $exitkeylist->{'address-family'} = 1; | |
209 | ||
92526f0e | 210 | # FIXME: make this generic |
8fb1ee7f | 211 | my $paddinglevel = undef; |
92526f0e TL |
212 | if ($level == 1 || $level == 2) { |
213 | $paddinglevel = $level - 1; | |
8fb1ee7f | 214 | } elsif ($level == 3 || $level == 4) { |
92526f0e | 215 | $paddinglevel = $level - 2; |
8fb1ee7f AD |
216 | } |
217 | ||
218 | my $padding = ""; | |
219 | $padding = ' ' x ($paddinglevel) if $paddinglevel; | |
220 | ||
92526f0e | 221 | if (ref $content eq 'HASH') { |
8fb1ee7f AD |
222 | foreach my $key (sort sort_frr_config keys %$content) { |
223 | if ($parentkey && defined($keylist->{$parentkey})) { | |
92526f0e TL |
224 | push @{$final_config}, $padding."!"; |
225 | push @{$final_config}, $padding."$parentkey $key"; | |
226 | } elsif ($key ne '' && !defined($keylist->{$key})) { | |
227 | push @{$final_config}, $padding."$key"; | |
8fb1ee7f AD |
228 | } |
229 | ||
230 | my $option = $content->{$key}; | |
231 | generate_frr_recurse($final_config, $option, $key, $level+1); | |
232 | ||
233 | push @{$final_config}, $padding."exit-$parentkey" if $parentkey && defined($exitkeylist->{$parentkey}); | |
234 | } | |
235 | } | |
32602a38 | 236 | |
8fb1ee7f | 237 | if (ref $content eq 'ARRAY') { |
92526f0e | 238 | push @{$final_config}, map { $padding . "$_" } @$content; |
8fb1ee7f AD |
239 | } |
240 | } | |
241 | ||
242 | sub write_controller_config { | |
243 | my ($class, $plugin_config, $config) = @_; | |
244 | ||
659c27c2 AD |
245 | my $nodename = PVE::INotify::nodename(); |
246 | ||
8fb1ee7f AD |
247 | my $final_config = []; |
248 | push @{$final_config}, "log syslog informational"; | |
659c27c2 AD |
249 | push @{$final_config}, "ip forwarding"; |
250 | push @{$final_config}, "ipv6 forwarding"; | |
251 | push @{$final_config}, "frr defaults traditional"; | |
252 | push @{$final_config}, "service integrated-vtysh-config"; | |
253 | push @{$final_config}, "hostname $nodename"; | |
8fb1ee7f AD |
254 | push @{$final_config}, "!"; |
255 | ||
0d1ab7dc | 256 | if (-e "/etc/frr/frr.conf.local") { |
0d1ab7dc AD |
257 | generate_frr_recurse($final_config, $config->{frr}->{vrf}, "vrf", 1); |
258 | push @{$final_config}, "!"; | |
259 | ||
cdf2c819 TL |
260 | my $local_conf = file_get_contents("/etc/frr/frr.conf.local"); |
261 | chomp ($local_conf); | |
262 | push @{$final_config}, $local_conf; | |
0d1ab7dc AD |
263 | } else { |
264 | generate_frr_recurse($final_config, $config->{frr}, undef, 0); | |
265 | } | |
8fb1ee7f AD |
266 | |
267 | push @{$final_config}, "!"; | |
268 | push @{$final_config}, "line vty"; | |
269 | push @{$final_config}, "!"; | |
270 | ||
271 | my $rawconfig = join("\n", @{$final_config}); | |
272 | ||
8fb1ee7f AD |
273 | return if !$rawconfig; |
274 | return if !-d "/etc/frr"; | |
275 | ||
cdf2c819 | 276 | file_set_contents("/etc/frr/frr.conf", $rawconfig); |
8fb1ee7f AD |
277 | } |
278 | ||
fa609bdd AD |
279 | sub reload_controller { |
280 | my ($class) = @_; | |
281 | ||
282 | my $conf_file = "/etc/frr/frr.conf"; | |
659c27c2 AD |
283 | my $bin_path = "/usr/lib/frr/frr-reload.py"; |
284 | ||
285 | if (!-e $bin_path) { | |
286 | warn "missing $bin_path. Please install frr-pythontools package"; | |
287 | return; | |
288 | } | |
fa609bdd AD |
289 | |
290 | my $err = sub { | |
291 | my $line = shift; | |
659c27c2 AD |
292 | if ($line =~ /ERROR:/) { |
293 | warn "$line \n"; | |
fa609bdd AD |
294 | } |
295 | }; | |
296 | ||
297 | if (-e $conf_file && -e $bin_path) { | |
cdf2c819 | 298 | run_command([$bin_path, '--stdout', '--reload', $conf_file], outfunc => {}, errfunc => $err); |
fa609bdd AD |
299 | } |
300 | } | |
301 | ||
8fb1ee7f | 302 | 1; |
32602a38 | 303 | |
0589eb09 | 304 |