+++ /dev/null
-package PVE::Network::SDN::Controllers::EvpnPlugin;
-
-use strict;
-use warnings;
-
-use PVE::INotify;
-use PVE::JSONSchema qw(get_standard_option);
-use PVE::Tools qw(run_command file_set_contents file_get_contents);
-
-use PVE::Network::SDN::Controllers::Plugin;
-use PVE::Network::SDN::Zones::Plugin;
-use Net::IP;
-
-use base('PVE::Network::SDN::Controllers::Plugin');
-
-sub type {
- return 'evpn';
-}
-
-sub properties {
- return {
- asn => {
- type => 'integer',
- description => "autonomous system number",
- minimum => 0,
- maximum => 4294967296
- },
- peers => {
- description => "peers address list.",
- type => 'string', format => 'ip-list'
- },
- };
-}
-
-sub options {
- return {
- 'asn' => { optional => 0 },
- 'peers' => { optional => 0 },
- };
-}
-
-# Plugin implementation
-sub generate_controller_config {
- my ($class, $plugin_config, $controller_cfg, $id, $uplinks, $config) = @_;
-
- my @peers;
- @peers = PVE::Tools::split_list($plugin_config->{'peers'}) if $plugin_config->{'peers'};
-
- my $local_node = PVE::INotify::nodename();
-
- my $asn = $plugin_config->{asn};
- my $ebgp = undef;
- my $loopback = undef;
- my $autortas = undef;
- my $bgprouter = find_bgp_controller($local_node, $controller_cfg);
- if ($bgprouter) {
- $ebgp = 1 if $plugin_config->{'asn'} ne $bgprouter->{asn};
- $loopback = $bgprouter->{loopback} if $bgprouter->{loopback};
- $asn = $bgprouter->{asn} if $bgprouter->{asn};
- $autortas = $plugin_config->{'asn'} if $ebgp;
- }
-
- return if !$asn;
-
- my $bgp = $config->{frr}->{router}->{"bgp $asn"} //= {};
-
- my ($ifaceip, $interface) = PVE::Network::SDN::Zones::Plugin::find_local_ip_interface_peers(\@peers, $loopback);
-
- my $remoteas = $ebgp ? "external" : $asn;
-
- #global options
- my @controller_config = (
- "bgp router-id $ifaceip",
- "no bgp default ipv4-unicast",
- "coalesce-time 1000",
- );
-
- push(@{$bgp->{""}}, @controller_config) if keys %{$bgp} == 0;
-
- @controller_config = ();
-
- #VTEP neighbors
- push @controller_config, "neighbor VTEP peer-group";
- push @controller_config, "neighbor VTEP remote-as $remoteas";
- push @controller_config, "neighbor VTEP bfd";
-
- if($ebgp && $loopback) {
- push @controller_config, "neighbor VTEP ebgp-multihop 10";
- push @controller_config, "neighbor VTEP update-source $loopback";
- }
-
- # VTEP peers
- foreach my $address (@peers) {
- next if $address eq $ifaceip;
- push @controller_config, "neighbor $address peer-group VTEP";
- }
-
- push(@{$bgp->{""}}, @controller_config);
-
- # address-family l2vpn
- @controller_config = ();
- push @controller_config, "neighbor VTEP route-map MAP_VTEP_IN in";
- push @controller_config, "neighbor VTEP route-map MAP_VTEP_OUT out";
- push @controller_config, "neighbor VTEP activate";
- push @controller_config, "advertise-all-vni";
- push @controller_config, "autort as $autortas" if $autortas;
- push(@{$bgp->{"address-family"}->{"l2vpn evpn"}}, @controller_config);
-
- my $routemap = { rule => undef, action => "permit" };
- push(@{$config->{frr_routemap}->{'MAP_VTEP_IN'}}, $routemap );
- push(@{$config->{frr_routemap}->{'MAP_VTEP_OUT'}}, $routemap );
-
- return $config;
-}
-
-sub generate_controller_zone_config {
- my ($class, $plugin_config, $controller, $controller_cfg, $id, $uplinks, $config) = @_;
-
- my $local_node = PVE::INotify::nodename();
-
- my $vrf = "vrf_$id";
- my $vrfvxlan = $plugin_config->{'vrf-vxlan'};
- my $exitnodes = $plugin_config->{'exitnodes'};
- my $exitnodes_primary = $plugin_config->{'exitnodes-primary'};
- my $advertisesubnets = $plugin_config->{'advertise-subnets'};
- my $exitnodes_local_routing = $plugin_config->{'exitnodes-local-routing'};
- my $rt_import;
- $rt_import = [PVE::Tools::split_list($plugin_config->{'rt-import'})] if $plugin_config->{'rt-import'};
-
- my $asn = $controller->{asn};
- my @peers;
- @peers = PVE::Tools::split_list($controller->{'peers'}) if $controller->{'peers'};
- my $ebgp = undef;
- my $loopback = undef;
- my $autortas = undef;
- my $bgprouter = find_bgp_controller($local_node, $controller_cfg);
- if($bgprouter) {
- $ebgp = 1 if $controller->{'asn'} ne $bgprouter->{asn};
- $loopback = $bgprouter->{loopback} if $bgprouter->{loopback};
- $asn = $bgprouter->{asn} if $bgprouter->{asn};
- $autortas = $controller->{'asn'} if $ebgp;
- }
-
- return if !$vrf || !$vrfvxlan || !$asn;
-
- my ($ifaceip, $interface) = PVE::Network::SDN::Zones::Plugin::find_local_ip_interface_peers(\@peers, $loopback);
-
- # vrf
- my @controller_config = ();
- push @controller_config, "vni $vrfvxlan";
- push(@{$config->{frr}->{vrf}->{"$vrf"}}, @controller_config);
-
- #main vrf router
- @controller_config = ();
- push @controller_config, "bgp router-id $ifaceip";
-# push @controller_config, "!";
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{""}}, @controller_config);
-
- if ($autortas) {
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, "route-target import $autortas:$vrfvxlan");
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, "route-target export $autortas:$vrfvxlan");
- }
-
- my $is_gateway = $exitnodes->{$local_node};
-
- if ($is_gateway) {
-
- if (!$exitnodes_primary || $exitnodes_primary eq $local_node) {
- #filter default type5 route coming from other exit nodes on primary node or both nodes if no primary is defined.
- my $routemap_config = ();
- push @{$routemap_config}, "match evpn route-type prefix";
- my $routemap = { rule => $routemap_config, action => "deny" };
- unshift(@{$config->{frr_routemap}->{'MAP_VTEP_IN'}}, $routemap);
- } elsif ($exitnodes_primary ne $local_node) {
- my $routemap_config = ();
- push @{$routemap_config}, "match evpn vni $vrfvxlan";
- push @{$routemap_config}, "match evpn route-type prefix";
- push @{$routemap_config}, "set metric 200";
- my $routemap = { rule => $routemap_config, action => "permit" };
- unshift(@{$config->{frr_routemap}->{'MAP_VTEP_OUT'}}, $routemap);
- }
-
-
- if (!$exitnodes_local_routing) {
- @controller_config = ();
- #import /32 routes of evpn network from vrf1 to default vrf (for packet return)
- push @controller_config, "import vrf $vrf";
- push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"ipv4 unicast"}}, @controller_config);
- push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"ipv6 unicast"}}, @controller_config);
-
- @controller_config = ();
- #redistribute connected to be able to route to local vms on the gateway
- push @controller_config, "redistribute connected";
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv4 unicast"}}, @controller_config);
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv6 unicast"}}, @controller_config);
- }
-
- @controller_config = ();
- #add default originate to announce 0.0.0.0/0 type5 route in evpn
- push @controller_config, "default-originate ipv4";
- push @controller_config, "default-originate ipv6";
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, @controller_config);
- } elsif ($advertisesubnets) {
-
- @controller_config = ();
- #redistribute connected networks
- push @controller_config, "redistribute connected";
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv4 unicast"}}, @controller_config);
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv6 unicast"}}, @controller_config);
-
- @controller_config = ();
- #advertise connected networks type5 route in evpn
- push @controller_config, "advertise ipv4 unicast";
- push @controller_config, "advertise ipv6 unicast";
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, @controller_config);
- }
-
- if ($rt_import) {
- @controller_config = ();
- foreach my $rt (sort @{$rt_import}) {
- push @controller_config, "route-target import $rt";
- }
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, @controller_config);
- }
-
- return $config;
-}
-
-sub generate_controller_vnet_config {
- my ($class, $plugin_config, $controller, $zone, $zoneid, $vnetid, $config) = @_;
-
- my $exitnodes = $zone->{'exitnodes'};
- my $exitnodes_local_routing = $zone->{'exitnodes-local-routing'};
-
- return if !$exitnodes_local_routing;
-
- my $local_node = PVE::INotify::nodename();
- my $is_gateway = $exitnodes->{$local_node};
-
- return if !$is_gateway;
-
- my $subnets = PVE::Network::SDN::Vnets::get_subnets($vnetid, 1);
- my @controller_config = ();
- foreach my $subnetid (sort keys %{$subnets}) {
- my $subnet = $subnets->{$subnetid};
- my $cidr = $subnet->{cidr};
- push @controller_config, "ip route $cidr 10.255.255.2 xvrf_$zoneid";
- }
- push(@{$config->{frr}->{''}}, @controller_config);
-}
-
-sub on_delete_hook {
- my ($class, $controllerid, $zone_cfg) = @_;
-
- # verify that zone is associated to this controller
- foreach my $id (keys %{$zone_cfg->{ids}}) {
- my $zone = $zone_cfg->{ids}->{$id};
- die "controller $controllerid is used by $id"
- if (defined($zone->{controller}) && $zone->{controller} eq $controllerid);
- }
-}
-
-sub on_update_hook {
- my ($class, $controllerid, $controller_cfg) = @_;
-
- # we can only have 1 evpn controller / 1 asn by server
-
- my $controllernb = 0;
- foreach my $id (keys %{$controller_cfg->{ids}}) {
- next if $id eq $controllerid;
- my $controller = $controller_cfg->{ids}->{$id};
- next if $controller->{type} ne "evpn";
- $controllernb++;
- die "only 1 global evpn controller can be defined" if $controllernb >= 1;
- }
-}
-
-sub find_bgp_controller {
- my ($nodename, $controller_cfg) = @_;
-
- my $controller = undef;
- foreach my $id (keys %{$controller_cfg->{ids}}) {
- $controller = $controller_cfg->{ids}->{$id};
- next if $controller->{type} ne 'bgp';
- next if $controller->{node} ne $nodename;
- last;
- }
-
- return $controller;
-}
-
-
-sub sort_frr_config {
- my $order = {};
- $order->{''} = 0;
- $order->{'vrf'} = 1;
- $order->{'ipv4 unicast'} = 1;
- $order->{'ipv6 unicast'} = 2;
- $order->{'l2vpn evpn'} = 3;
-
- my $a_val = 100;
- my $b_val = 100;
-
- $a_val = $order->{$a} if defined($order->{$a});
- $b_val = $order->{$b} if defined($order->{$b});
-
- if ($a =~ /bgp (\d+)$/) {
- $a_val = 2;
- }
-
- if ($b =~ /bgp (\d+)$/) {
- $b_val = 2;
- }
-
- return $a_val <=> $b_val;
-}
-
-sub generate_frr_recurse{
- my ($final_config, $content, $parentkey, $level) = @_;
-
- my $keylist = {};
- $keylist->{vrf} = 1;
- $keylist->{'address-family'} = 1;
- $keylist->{router} = 1;
-
- my $exitkeylist = {};
- $exitkeylist->{vrf} = 1;
- $exitkeylist->{'address-family'} = 1;
-
- my $simple_exitkeylist = {};
- $simple_exitkeylist->{router} = 1;
-
- # FIXME: make this generic
- my $paddinglevel = undef;
- if ($level == 1 || $level == 2) {
- $paddinglevel = $level - 1;
- } elsif ($level == 3 || $level == 4) {
- $paddinglevel = $level - 2;
- }
-
- my $padding = "";
- $padding = ' ' x ($paddinglevel) if $paddinglevel;
-
- if (ref $content eq 'HASH') {
- foreach my $key (sort sort_frr_config keys %$content) {
- if ($parentkey && defined($keylist->{$parentkey})) {
- push @{$final_config}, $padding."!";
- push @{$final_config}, $padding."$parentkey $key";
- } elsif ($key ne '' && !defined($keylist->{$key})) {
- push @{$final_config}, $padding."$key";
- }
-
- my $option = $content->{$key};
- generate_frr_recurse($final_config, $option, $key, $level+1);
-
- push @{$final_config}, $padding."exit-$parentkey" if $parentkey && defined($exitkeylist->{$parentkey});
- push @{$final_config}, $padding."exit" if $parentkey && defined($simple_exitkeylist->{$parentkey});
- }
- }
-
- if (ref $content eq 'ARRAY') {
- push @{$final_config}, map { $padding . "$_" } @$content;
- }
-}
-
-sub generate_frr_routemap {
- my ($final_config, $routemaps) = @_;
-
- foreach my $id (sort keys %$routemaps) {
-
- my $routemap = $routemaps->{$id};
- my $order = 0;
- foreach my $seq (@$routemap) {
- $order++;
- next if !defined($seq->{action});
- my @config = ();
- push @config, "!";
- push @config, "route-map $id $seq->{action} $order";
- my $rule = $seq->{rule};
- push @config, map { " $_" } @$rule;
- push @{$final_config}, @config;
- push @{$final_config}, "exit";
- }
- }
-}
-
-sub generate_frr_list {
- my ($final_config, $lists, $type) = @_;
-
- my $config = [];
-
- for my $id (sort keys %$lists) {
- my $list = $lists->{$id};
-
- for my $seq (sort keys %$list) {
- my $rule = $list->{$seq};
- push @$config, "$type $id seq $seq $rule";
- }
- }
-
- if (@$config > 0) {
- push @{$final_config}, "!", @$config;
- }
-}
-
-sub generate_controller_rawconfig {
- my ($class, $plugin_config, $config) = @_;
-
- my $nodename = PVE::INotify::nodename();
-
- my $final_config = [];
- push @{$final_config}, "frr version 8.2.2";
- push @{$final_config}, "frr defaults datacenter";
- push @{$final_config}, "hostname $nodename";
- push @{$final_config}, "log syslog informational";
- push @{$final_config}, "service integrated-vtysh-config";
- push @{$final_config}, "!";
-
- if (-e "/etc/frr/frr.conf.local") {
- my $local_conf = file_get_contents("/etc/frr/frr.conf.local");
- parse_merge_frr_local_config($config, $local_conf);
- }
-
- generate_frr_recurse($final_config, $config->{frr}, undef, 0);
- generate_frr_list($final_config, $config->{frr_access_list}, "access-list");
- generate_frr_list($final_config, $config->{frr_prefix_list}, "ip prefix-list");
- generate_frr_routemap($final_config, $config->{frr_routemap});
-
- push @{$final_config}, "!";
- push @{$final_config}, "line vty";
- push @{$final_config}, "!";
-
- my $rawconfig = join("\n", @{$final_config});
-
- return if !$rawconfig;
- return $rawconfig;
-}
-
-sub parse_merge_frr_local_config {
- my ($config, $local_conf) = @_;
-
- my $section = \$config->{""};
- my $router = undef;
- my $routemap = undef;
- my $routemap_config = ();
- my $routemap_action = undef;
-
- while ($local_conf =~ /^\s*(.+?)\s*$/gm) {
- my $line = $1;
- $line =~ s/^\s+|\s+$//g;
-
- if ($line =~ m/^router (.+)$/) {
- $router = $1;
- $section = \$config->{'frr'}->{'router'}->{$router}->{""};
- next;
- } elsif ($line =~ m/^vrf (.+)$/) {
- $section = \$config->{'frr'}->{'vrf'}->{$1};
- next;
- } elsif ($line =~ m/address-family (.+)$/) {
- $section = \$config->{'frr'}->{'router'}->{$router}->{'address-family'}->{$1};
- next;
- } elsif ($line =~ m/^route-map (.+) (permit|deny) (\d+)/) {
- $routemap = $1;
- $routemap_config = ();
- $routemap_action = $2;
- $section = \$config->{'frr_routemap'}->{$routemap};
- next;
- } elsif ($line =~ m/^access-list (.+) seq (\d+) (.+)$/) {
- $config->{'frr_access_list'}->{$1}->{$2} = $3;
- next;
- } elsif ($line =~ m/^ip prefix-list (.+) seq (\d+) (.*)$/) {
- $config->{'frr_prefix_list'}->{$1}->{$2} = $3;
- next;
- } elsif($line =~ m/^exit-address-family$/) {
- next;
- } elsif($line =~ m/^exit$/) {
- if($router) {
- $section = \$config->{''};
- $router = undef;
- } elsif($routemap) {
- push(@{$$section}, { rule => $routemap_config, action => $routemap_action });
- $section = \$config->{''};
- $routemap = undef;
- $routemap_action = undef;
- $routemap_config = ();
- }
- next;
- } elsif($line =~ m/!/) {
- next;
- }
-
- next if !$section;
- if($routemap) {
- push(@{$routemap_config}, $line);
- } else {
- push(@{$$section}, $line);
- }
- }
-}
-
-sub write_controller_config {
- my ($class, $plugin_config, $config) = @_;
-
- my $rawconfig = $class->generate_controller_rawconfig($plugin_config, $config);
- return if !$rawconfig;
- return if !-d "/etc/frr";
-
- file_set_contents("/etc/frr/frr.conf", $rawconfig);
-}
-
-sub reload_controller {
- my ($class) = @_;
-
- my $conf_file = "/etc/frr/frr.conf";
- my $bin_path = "/usr/lib/frr/frr-reload.py";
-
- if (!-e $bin_path) {
- warn "missing $bin_path. Please install frr-pythontools package";
- return;
- }
-
- my $err = sub {
- my $line = shift;
- if ($line =~ /ERROR:/) {
- warn "$line \n";
- }
- };
-
- if (-e $conf_file && -e $bin_path) {
- eval {
- run_command([$bin_path, '--stdout', '--reload', $conf_file], outfunc => {}, errfunc => $err);
- };
- if ($@) {
- warn "frr reload command fail. Restarting frr.";
- eval { run_command(['systemctl', 'restart', 'frr']); };
- }
- }
-}
-
-1;
-
-
projects / pve-network.git / blobdiff