use warnings;
use PVE::Network::SDN::Plugin;
use PVE::Tools;
+use PVE::INotify;
+use PVE::JSONSchema qw(get_standard_option);
use base('PVE::Network::SDN::Plugin');
return 'frr';
}
+sub plugindata {
+ return {
+ role => 'controller',
+ };
+}
+
sub properties {
return {
'asn' => {
},
'peers' => {
description => "peers address list.",
- type => 'string', #fixme: format
+ type => 'string', format => 'ip-list'
+ },
+ 'gateway-nodes' => get_standard_option('pve-node-list'),
+ 'gateway-external-peers' => {
+ description => "upstream bgp peers address list.",
+ type => 'string', format => 'ip-list'
},
};
}
'uplink-id' => { optional => 0 },
'asn' => { optional => 0 },
'peers' => { optional => 0 },
+ 'gateway-nodes' => { optional => 1 },
+ 'gateway-external-peers' => { optional => 1 },
};
}
# Plugin implementation
-sub generate_frr_config {
- my ($class, $plugin_config, $asn, $id, $uplinks, $config) = @_;
+sub generate_controller_config {
+ my ($class, $plugin_config, $router, $id, $uplinks, $config) = @_;
my @peers = split(',', $plugin_config->{'peers'}) if $plugin_config->{'peers'};
+ my $asn = $plugin_config->{asn};
my $uplink = $plugin_config->{'uplink-id'};
+ my $gatewaynodes = $plugin_config->{'gateway-nodes'};
+ my @gatewaypeers = split(',', $plugin_config->{'gateway-external-peers'}) if $plugin_config->{'gateway-external-peers'};
+
+ return if !$asn;
my $iface = "uplink$uplink";
my $ifaceip = "";
$ifaceip = PVE::Network::SDN::Plugin::get_first_local_ipv4_from_interface($iface);
}
+ my $is_gateway = undef;
+ my $local_node = PVE::INotify::nodename();
+
+ foreach my $gatewaynode (PVE::Tools::split_list($gatewaynodes)) {
+ $is_gateway = 1 if $gatewaynode eq $local_node;
+ }
+
my @router_config = ();
push @router_config, "bgp router-id $ifaceip";
+ push @router_config, "no bgp default ipv4-unicast";
push @router_config, "coalesce-time 1000";
foreach my $address (@peers) {
next if $address eq $ifaceip;
push @router_config, "neighbor $address remote-as $asn";
- }
- push @router_config, "!";
- push @router_config, "address-family l2vpn evpn";
+ }
+
+ if ($is_gateway) {
+ foreach my $address (@gatewaypeers) {
+ push @router_config, "neighbor $address remote-as external";
+ }
+ }
+ push(@{$config->{frr}->{router}->{"bgp $asn"}->{""}}, @router_config);
+
+ @router_config = ();
foreach my $address (@peers) {
next if $address eq $ifaceip;
- push @router_config, " neighbor $address activate";
+ push @router_config, "neighbor $address activate";
+ }
+ push @router_config, "advertise-all-vni";
+ push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"l2vpn evpn"}}, @router_config);
+
+ if ($is_gateway) {
+
+ @router_config = ();
+ #import /32 routes of evpn network from vrf1 to default vrf (for packet return)
+ #frr 7.1 tag is bugged -> works fine with 7.1 stable branch(20190829-02-g6ba76bbc1)
+ #https://github.com/FRRouting/frr/issues/4905
+ foreach my $address (@gatewaypeers) {
+ push @router_config, "neighbor $address activate";
+ }
+ push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"ipv4 unicast"}}, @router_config);
+ push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"ipv6 unicast"}}, @router_config);
+
+ }
+
+ return $config;
+}
+
+sub generate_controller_transport_config {
+ my ($class, $plugin_config, $router, $id, $uplinks, $config) = @_;
+
+ my $vrf = $plugin_config->{'vrf'};
+ my $vrfvxlan = $plugin_config->{'vrf-vxlan'};
+ my $asn = $router->{asn};
+ my $gatewaynodes = $router->{'gateway-nodes'};
+
+ return if !$vrf || !$vrfvxlan || !$asn;
+
+ #vrf
+ my @router_config = ();
+ push @router_config, "vni $vrfvxlan";
+ push(@{$config->{frr}->{vrf}->{"$vrf"}}, @router_config);
+
+ @router_config = ();
+
+ my $is_gateway = undef;
+ my $local_node = PVE::INotify::nodename();
+
+ foreach my $gatewaynode (PVE::Tools::split_list($gatewaynodes)) {
+ $is_gateway = 1 if $gatewaynode eq $local_node;
}
- push @router_config, " advertise-all-vni";
- push @router_config, "exit-address-family";
- push(@{$config->{router}->{"router bgp $asn"}}, @router_config);
+ if ($is_gateway) {
+
+ @router_config = ();
+ #import /32 routes of evpn network from vrf1 to default vrf (for packet return)
+ #frr 7.1 tag is bugged -> works fine with 7.1 stable branch(20190829-02-g6ba76bbc1)
+ #https://github.com/FRRouting/frr/issues/4905
+ push @router_config, "import vrf $vrf";
+ push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"ipv4 unicast"}}, @router_config);
+ push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"ipv6 unicast"}}, @router_config);
+
+ @router_config = ();
+ #redistribute connected to be able to route to local vms on the gateway
+ push @router_config, "redistribute connected";
+ push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv4 unicast"}}, @router_config);
+ push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"ipv6 unicast"}}, @router_config);
+
+ @router_config = ();
+ #add default originate to announce 0.0.0.0/0 type5 route in evpn
+ push @router_config, "default-originate ipv4";
+ push @router_config, "default-originate ipv6";
+ push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, @router_config);
+ }
return $config;
}
}
}
+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;
+
+ #fix me, 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 ref {}) {
+ foreach my $key (sort sort_frr_config keys %$content) {
+ if ($parentkey && defined($keylist->{$parentkey})) {
+ push @{$final_config}, $padding."!";
+ push @{$final_config}, $padding."$parentkey $key";
+ } else {
+ push @{$final_config}, $padding."$key" if $key ne '' && !defined($keylist->{$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});
+ }
+ }
+
+ if (ref $content eq 'ARRAY') {
+ foreach my $value (@$content) {
+ push @{$final_config}, $padding."$value";
+ }
+ }
+}
+
+sub write_controller_config {
+ my ($class, $plugin_config, $config) = @_;
+
+ my $final_config = [];
+ push @{$final_config}, "log syslog informational";
+ push @{$final_config}, "!";
+
+ generate_frr_recurse($final_config, $config->{frr}, undef, 0);
+
+ push @{$final_config}, "!";
+ push @{$final_config}, "line vty";
+ push @{$final_config}, "!";
+
+ my $rawconfig = join("\n", @{$final_config});
+
+
+ return if !$rawconfig;
+ return if !-d "/etc/frr";
+
+ my $frr_config_file = "/etc/frr/frr.conf";
+
+ my $writefh = IO::File->new($frr_config_file,">");
+ print $writefh $rawconfig;
+ $writefh->close();
+}
+
+sub reload_controller {
+ my ($class) = @_;
+
+ my $conf_file = "/etc/frr/frr.conf";
+ my $bin_path = "/usr/bin/vtysh";
+
+ my $err = sub {
+ my $line = shift;
+ if ($line =~ /^line (\S+)/) {
+ print "$line \n";
+ }
+ };
+
+ if (-e $conf_file && -e $bin_path) {
+ PVE::Tools::run_command([$bin_path, '-m', '-f', $conf_file], outfunc => {}, errfunc => $err);
+ }
+}
+
1;
projects / pve-network.git / blobdiff