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Commit | Line | Data |
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f5eabba0 | 1 | package PVE::Network::SDN::Zones::EvpnPlugin; |
63586d2f AD |
2 | |
3 | use strict; | |
4 | use warnings; | |
f5eabba0 | 5 | use PVE::Network::SDN::Zones::VxlanPlugin; |
7fdeb441 | 6 | use PVE::Exception qw(raise raise_param_exc); |
f23633dc | 7 | use PVE::JSONSchema qw(get_standard_option); |
63586d2f AD |
8 | use PVE::Tools qw($IPV4RE); |
9 | use PVE::INotify; | |
5ca07ed9 AD |
10 | use PVE::Cluster; |
11 | use PVE::Tools; | |
645d5f4e | 12 | use Net::IP; |
5ca07ed9 | 13 | |
4405f2de | 14 | use PVE::Network::SDN::Controllers::EvpnPlugin; |
63586d2f | 15 | |
f5eabba0 | 16 | use base('PVE::Network::SDN::Zones::VxlanPlugin'); |
63586d2f AD |
17 | |
18 | sub type { | |
19 | return 'evpn'; | |
20 | } | |
21 | ||
96794fd6 AD |
22 | PVE::JSONSchema::register_format('pve-sdn-bgp-rt', \&pve_verify_sdn_bgp_rt); |
23 | sub pve_verify_sdn_bgp_rt { | |
24 | my ($rt) = @_; | |
25 | ||
26 | if ($rt =~ m/^(\d+):(\d+)$/) { | |
27 | my $asn = $1; | |
28 | my $id = $2; | |
29 | ||
30 | if ($asn < 0 || $asn > 4294967295) { | |
31 | die "value does not look like a valid bgp route-target\n"; | |
32 | } | |
33 | if ($id < 0 || $id > 4294967295) { | |
34 | die "value does not look like a valid bgp route-target\n"; | |
35 | } | |
36 | } else { | |
37 | die "value does not look like a valid bgp route-target\n"; | |
38 | } | |
39 | return $rt; | |
40 | } | |
41 | ||
63586d2f AD |
42 | sub properties { |
43 | return { | |
63586d2f AD |
44 | 'vrf-vxlan' => { |
45 | type => 'integer', | |
46 | description => "l3vni.", | |
47 | }, | |
48 | 'controller' => { | |
49 | type => 'string', | |
50 | description => "Frr router name", | |
51 | }, | |
65cb893e TL |
52 | 'mac' => { |
53 | type => 'string', | |
54 | description => "Anycast logical router mac address", | |
55 | optional => 1, format => 'mac-addr' | |
56 | }, | |
f23633dc | 57 | 'exitnodes' => get_standard_option('pve-node-list'), |
3d135423 AD |
58 | 'exitnodes-local-routing' => { |
59 | type => 'boolean', | |
60 | description => "Allow exitnodes to connect to evpn guests", | |
61 | optional => 1 | |
62 | }, | |
847f5144 AD |
63 | 'exitnodes-primary' => get_standard_option('pve-node', { |
64 | description => "Force traffic to this exitnode first."}), | |
92d8effb AD |
65 | 'advertise-subnets' => { |
66 | type => 'boolean', | |
67 | description => "Advertise evpn subnets if you have silent hosts", | |
68 | optional => 1 | |
b1a5c31e AD |
69 | }, |
70 | 'disable-arp-nd-suppression' => { | |
71 | type => 'boolean', | |
72 | description => "Disable ipv4 arp && ipv6 neighbour discovery suppression", | |
73 | optional => 1 | |
96794fd6 AD |
74 | }, |
75 | 'rt-import' => { | |
76 | type => 'string', | |
77 | description => "Route-Target import", | |
78 | optional => 1, format => 'pve-sdn-bgp-rt-list' | |
79 | } | |
63586d2f AD |
80 | }; |
81 | } | |
82 | ||
83 | sub options { | |
63586d2f | 84 | return { |
65cb893e TL |
85 | nodes => { optional => 1}, |
86 | 'vrf-vxlan' => { optional => 0 }, | |
87 | controller => { optional => 0 }, | |
f23633dc | 88 | exitnodes => { optional => 1 }, |
3d135423 | 89 | 'exitnodes-local-routing' => { optional => 1 }, |
847f5144 | 90 | 'exitnodes-primary' => { optional => 1 }, |
92d8effb | 91 | 'advertise-subnets' => { optional => 1 }, |
b1a5c31e | 92 | 'disable-arp-nd-suppression' => { optional => 1 }, |
96794fd6 | 93 | 'rt-import' => { optional => 1 }, |
b84eacc8 | 94 | 'vxlan-port' => { optional => 1 }, |
823f2e2a | 95 | mtu => { optional => 1 }, |
8313a2c0 | 96 | mac => { optional => 1 }, |
4ad78442 AD |
97 | dns => { optional => 1 }, |
98 | reversedns => { optional => 1 }, | |
99 | dnszone => { optional => 1 }, | |
57a335c4 | 100 | ipam => { optional => 1 }, |
63586d2f AD |
101 | }; |
102 | } | |
103 | ||
104 | # Plugin implementation | |
105 | sub generate_sdn_config { | |
efffa0ff | 106 | my ($class, $plugin_config, $zoneid, $vnetid, $vnet, $controller, $controller_cfg, $subnet_cfg, $interfaces_config, $config) = @_; |
63586d2f AD |
107 | |
108 | my $tag = $vnet->{tag}; | |
109 | my $alias = $vnet->{alias}; | |
8313a2c0 | 110 | my $mac = $plugin_config->{'mac'}; |
b84eacc8 | 111 | my $vxlanport = $plugin_config->{'vxlan-port'}; |
63586d2f | 112 | |
1de0abc0 | 113 | my $vrf_iface = "vrf_$zoneid"; |
63586d2f | 114 | my $vrfvxlan = $plugin_config->{'vrf-vxlan'}; |
53b2cc90 | 115 | my $local_node = PVE::INotify::nodename(); |
63586d2f AD |
116 | |
117 | die "missing vxlan tag" if !$tag; | |
f23633dc | 118 | die "missing controller" if !$controller; |
912fb443 | 119 | warn "vlan-aware vnet can't be enabled with evpn plugin" if $vnet->{vlanaware}; |
63586d2f | 120 | |
5a60da84 | 121 | my @peers = PVE::Tools::split_list($controller->{'peers'}); |
efffa0ff AD |
122 | my $bgprouter = PVE::Network::SDN::Controllers::EvpnPlugin::find_bgp_controller($local_node, $controller_cfg); |
123 | my $loopback = $bgprouter->{loopback} if $bgprouter->{loopback}; | |
f23633dc | 124 | my ($ifaceip, $iface) = PVE::Network::SDN::Zones::Plugin::find_local_ip_interface_peers(\@peers, $loopback); |
110b881d | 125 | my $is_evpn_gateway = $plugin_config->{'exitnodes'}->{$local_node}; |
3d135423 AD |
126 | my $exitnodes_local_routing = $plugin_config->{'exitnodes-local-routing'}; |
127 | ||
63586d2f AD |
128 | |
129 | my $mtu = 1450; | |
ba7ac021 | 130 | $mtu = $interfaces_config->{$iface}->{mtu} - 50 if $interfaces_config->{$iface}->{mtu}; |
0251ed2f | 131 | $mtu = $plugin_config->{mtu} if $plugin_config->{mtu}; |
63586d2f AD |
132 | |
133 | #vxlan interface | |
1de0abc0 | 134 | my $vxlan_iface = "vxlan_$vnetid"; |
63586d2f AD |
135 | my @iface_config = (); |
136 | push @iface_config, "vxlan-id $tag"; | |
63586d2f | 137 | push @iface_config, "vxlan-local-tunnelip $ifaceip" if $ifaceip; |
b84eacc8 | 138 | push @iface_config, "vxlan-port $vxlanport" if $vxlanport; |
63586d2f | 139 | push @iface_config, "bridge-learning off"; |
b1a5c31e | 140 | push @iface_config, "bridge-arp-nd-suppress on" if !$plugin_config->{'disable-arp-nd-suppression'}; |
63586d2f AD |
141 | |
142 | push @iface_config, "mtu $mtu" if $mtu; | |
1de0abc0 | 143 | push(@{$config->{$vxlan_iface}}, @iface_config) if !$config->{$vxlan_iface}; |
63586d2f AD |
144 | |
145 | #vnet bridge | |
146 | @iface_config = (); | |
7024ec2b | 147 | |
e612faf6 | 148 | my $address = {}; |
645d5f4e AD |
149 | my $ipv4 = undef; |
150 | my $ipv6 = undef; | |
bdec7089 AD |
151 | my $enable_forward_v4 = undef; |
152 | my $enable_forward_v6 = undef; | |
5d3e0248 | 153 | my $subnets = PVE::Network::SDN::Vnets::get_subnets($vnetid, 1); |
e612faf6 AD |
154 | foreach my $subnetid (sort keys %{$subnets}) { |
155 | my $subnet = $subnets->{$subnetid}; | |
e8736dac | 156 | my $cidr = $subnet->{cidr}; |
9f4f6c2e | 157 | my $mask = $subnet->{mask}; |
e8736dac | 158 | |
e612faf6 AD |
159 | my $gateway = $subnet->{gateway}; |
160 | if ($gateway) { | |
9f4f6c2e | 161 | push @iface_config, "address $gateway/$mask" if !defined($address->{$gateway}); |
e612faf6 AD |
162 | $address->{$gateway} = 1; |
163 | } | |
b634e577 | 164 | |
645d5f4e AD |
165 | my $iptables = undef; |
166 | my $checkrouteip = undef; | |
167 | my $ipversion = Net::IP::ip_is_ipv6($gateway) ? 6 : 4; | |
168 | ||
169 | if ($ipversion == 6) { | |
170 | $ipv6 = 1; | |
171 | $iptables = "ip6tables"; | |
172 | $checkrouteip = '2001:4860:4860::8888'; | |
bdec7089 | 173 | $enable_forward_v6 = 1 if $gateway; |
645d5f4e AD |
174 | } else { |
175 | $ipv4 = 1; | |
176 | $iptables = "iptables"; | |
177 | $checkrouteip = '8.8.8.8'; | |
bdec7089 | 178 | $enable_forward_v4 = 1 if $gateway; |
645d5f4e AD |
179 | } |
180 | ||
53b2cc90 | 181 | if ($subnet->{snat}) { |
b634e577 | 182 | |
53b2cc90 | 183 | #find outgoing interface |
645d5f4e | 184 | my ($outip, $outiface) = PVE::Network::SDN::Zones::Plugin::get_local_route_ip($checkrouteip); |
53b2cc90 AD |
185 | if ($outip && $outiface && $is_evpn_gateway) { |
186 | #use snat, faster than masquerade | |
645d5f4e AD |
187 | push @iface_config, "post-up $iptables -t nat -A POSTROUTING -s '$cidr' -o $outiface -j SNAT --to-source $outip"; |
188 | push @iface_config, "post-down $iptables -t nat -D POSTROUTING -s '$cidr' -o $outiface -j SNAT --to-source $outip"; | |
53b2cc90 | 189 | #add conntrack zone once on outgoing interface |
645d5f4e AD |
190 | push @iface_config, "post-up $iptables -t raw -I PREROUTING -i fwbr+ -j CT --zone 1"; |
191 | push @iface_config, "post-down $iptables -t raw -D PREROUTING -i fwbr+ -j CT --zone 1"; | |
53b2cc90 AD |
192 | } |
193 | } | |
7024ec2b AD |
194 | } |
195 | ||
63586d2f | 196 | push @iface_config, "hwaddress $mac" if $mac; |
1de0abc0 | 197 | push @iface_config, "bridge_ports $vxlan_iface"; |
63586d2f AD |
198 | push @iface_config, "bridge_stp off"; |
199 | push @iface_config, "bridge_fd 0"; | |
200 | push @iface_config, "mtu $mtu" if $mtu; | |
201 | push @iface_config, "alias $alias" if $alias; | |
bdec7089 AD |
202 | push @iface_config, "ip-forward on" if $enable_forward_v4; |
203 | push @iface_config, "ip6-forward on" if $enable_forward_v6; | |
63586d2f | 204 | push @iface_config, "arp-accept on" if $ipv4||$ipv6; |
1de0abc0 | 205 | push @iface_config, "vrf $vrf_iface" if $vrf_iface; |
63586d2f AD |
206 | push(@{$config->{$vnetid}}, @iface_config) if !$config->{$vnetid}; |
207 | ||
1de0abc0 | 208 | if ($vrf_iface) { |
63586d2f AD |
209 | #vrf interface |
210 | @iface_config = (); | |
211 | push @iface_config, "vrf-table auto"; | |
110b881d AD |
212 | if(!$is_evpn_gateway) { |
213 | push @iface_config, "post-up ip route add vrf $vrf_iface unreachable default metric 4278198272"; | |
214 | } else { | |
215 | push @iface_config, "post-up ip route del vrf $vrf_iface unreachable default metric 4278198272"; | |
216 | } | |
217 | ||
1de0abc0 | 218 | push(@{$config->{$vrf_iface}}, @iface_config) if !$config->{$vrf_iface}; |
63586d2f AD |
219 | |
220 | if ($vrfvxlan) { | |
221 | #l3vni vxlan interface | |
1de0abc0 | 222 | my $iface_vrf_vxlan = "vrfvx_$zoneid"; |
63586d2f AD |
223 | @iface_config = (); |
224 | push @iface_config, "vxlan-id $vrfvxlan"; | |
225 | push @iface_config, "vxlan-local-tunnelip $ifaceip" if $ifaceip; | |
b84eacc8 | 226 | push @iface_config, "vxlan-port $vxlanport" if $vxlanport; |
63586d2f | 227 | push @iface_config, "bridge-learning off"; |
b1a5c31e | 228 | push @iface_config, "bridge-arp-nd-suppress on" if !$plugin_config->{'disable-arp-nd-suppression'}; |
63586d2f | 229 | push @iface_config, "mtu $mtu" if $mtu; |
1de0abc0 | 230 | push(@{$config->{$iface_vrf_vxlan}}, @iface_config) if !$config->{$iface_vrf_vxlan}; |
63586d2f AD |
231 | |
232 | #l3vni bridge | |
1de0abc0 | 233 | my $brvrf = "vrfbr_$zoneid"; |
63586d2f | 234 | @iface_config = (); |
1de0abc0 | 235 | push @iface_config, "bridge-ports $iface_vrf_vxlan"; |
63586d2f AD |
236 | push @iface_config, "bridge_stp off"; |
237 | push @iface_config, "bridge_fd 0"; | |
238 | push @iface_config, "mtu $mtu" if $mtu; | |
1de0abc0 | 239 | push @iface_config, "vrf $vrf_iface"; |
63586d2f AD |
240 | push(@{$config->{$brvrf}}, @iface_config) if !$config->{$brvrf}; |
241 | } | |
63586d2f | 242 | |
3d135423 AD |
243 | if ( $is_evpn_gateway && $exitnodes_local_routing ) { |
244 | #add a veth pair for local cross-vrf routing | |
245 | my $iface_xvrf = "xvrf_$zoneid"; | |
246 | my $iface_xvrfp = "xvrfp_$zoneid"; | |
247 | ||
248 | @iface_config = (); | |
249 | push @iface_config, "link-type veth"; | |
250 | push @iface_config, "address 10.255.255.1/30"; | |
251 | push @iface_config, "veth-peer-name $iface_xvrfp"; | |
252 | push @iface_config, "mtu ".($mtu+50) if $mtu; | |
253 | push(@{$config->{$iface_xvrf}}, @iface_config) if !$config->{$iface_xvrf}; | |
254 | ||
255 | @iface_config = (); | |
256 | push @iface_config, "link-type veth"; | |
257 | push @iface_config, "address 10.255.255.2/30"; | |
258 | push @iface_config, "veth-peer-name $iface_xvrf"; | |
259 | push @iface_config, "vrf $vrf_iface"; | |
260 | push @iface_config, "mtu ".($mtu+50) if $mtu; | |
261 | push(@{$config->{$iface_xvrfp}}, @iface_config) if !$config->{$iface_xvrfp}; | |
262 | } | |
263 | } | |
63586d2f AD |
264 | return $config; |
265 | } | |
266 | ||
267 | sub on_update_hook { | |
a2b32a94 AD |
268 | my ($class, $zoneid, $zone_cfg, $controller_cfg) = @_; |
269 | ||
270 | # verify that controller exist | |
271 | my $controller = $zone_cfg->{ids}->{$zoneid}->{controller}; | |
272 | if (!defined($controller_cfg->{ids}->{$controller})) { | |
273 | die "controller $controller don't exist"; | |
274 | } else { | |
275 | die "$controller is not a evpn controller type" if $controller_cfg->{ids}->{$controller}->{type} ne 'evpn'; | |
276 | } | |
63586d2f | 277 | |
7cb9714d | 278 | #vrf-vxlan need to be defined |
a2b32a94 AD |
279 | |
280 | my $vrfvxlan = $zone_cfg->{ids}->{$zoneid}->{'vrf-vxlan'}; | |
281 | # verify that vrf-vxlan is not already declared in another zone | |
282 | foreach my $id (keys %{$zone_cfg->{ids}}) { | |
283 | next if $id eq $zoneid; | |
284 | die "vrf-vxlan $vrfvxlan is already declared in $id" | |
285 | if (defined($zone_cfg->{ids}->{$id}->{'vrf-vxlan'}) && $zone_cfg->{ids}->{$id}->{'vrf-vxlan'} eq $vrfvxlan); | |
63586d2f | 286 | } |
5ca07ed9 | 287 | |
8313a2c0 AD |
288 | if (!defined($zone_cfg->{ids}->{$zoneid}->{'mac'})) { |
289 | my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg'); | |
290 | $zone_cfg->{ids}->{$zoneid}->{'mac'} = PVE::Tools::random_ether_addr($dc->{mac_prefix}); | |
291 | } | |
63586d2f AD |
292 | } |
293 | ||
1d44ce70 | 294 | |
5ca07ed9 | 295 | sub vnet_update_hook { |
88d9562b | 296 | my ($class, $vnet_cfg, $vnetid, $zone_cfg) = @_; |
5ca07ed9 | 297 | |
88d9562b AD |
298 | my $vnet = $vnet_cfg->{ids}->{$vnetid}; |
299 | my $tag = $vnet->{tag}; | |
300 | ||
301 | raise_param_exc({ tag => "missing vxlan tag"}) if !defined($tag); | |
302 | raise_param_exc({ tag => "vxlan tag max value is 16777216"}) if $tag > 16777216; | |
303 | ||
304 | # verify that tag is not already defined globally (vxlan-id are unique) | |
305 | foreach my $id (keys %{$vnet_cfg->{ids}}) { | |
306 | next if $id eq $vnetid; | |
307 | my $othervnet = $vnet_cfg->{ids}->{$id}; | |
308 | my $other_tag = $othervnet->{tag}; | |
309 | my $other_zoneid = $othervnet->{zone}; | |
310 | my $other_zone = $zone_cfg->{ids}->{$other_zoneid}; | |
311 | next if $other_zone->{type} ne 'vxlan' && $other_zone->{type} ne 'evpn'; | |
312 | raise_param_exc({ tag => "vxlan tag $tag already exist in vnet $id in zone $other_zoneid "}) if $other_tag && $tag eq $other_tag; | |
313 | } | |
1d44ce70 AD |
314 | } |
315 | ||
5ca07ed9 | 316 | |
63586d2f AD |
317 | 1; |
318 | ||
319 |