use PVE::Network::SDN::Controllers::Plugin;
use PVE::Network::SDN::Zones::Plugin;
+use Net::IP;
use base('PVE::Network::SDN::Controllers::Plugin');
asn => {
type => 'integer',
description => "autonomous system number",
+ minimum => 0,
+ maximum => 4294967296
},
peers => {
description => "peers address list.",
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'
- },
};
}
return {
'asn' => { optional => 0 },
'peers' => { optional => 0 },
- 'gateway-nodes' => { optional => 1 },
- 'gateway-external-peers' => { optional => 1 },
};
}
# Plugin implementation
sub generate_controller_config {
- my ($class, $plugin_config, $controller, $id, $uplinks, $config) = @_;
+ my ($class, $plugin_config, $controller_cfg, $id, $uplinks, $config) = @_;
- my @peers = split(',', $plugin_config->{'peers'}) if $plugin_config->{'peers'};
+ my @peers;
+ @peers = PVE::Tools::split_list($plugin_config->{'peers'}) if $plugin_config->{'peers'};
+
+ my $local_node = PVE::INotify::nodename();
my $asn = $plugin_config->{asn};
- my $gatewaynodes = $plugin_config->{'gateway-nodes'};
- my @gatewaypeers = split(',', $plugin_config->{'gateway-external-peers'}) if $plugin_config->{'gateway-external-peers'};
+ 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, $interface) = PVE::Network::SDN::Zones::Plugin::find_local_ip_interface_peers(\@peers);
+ my ($ifaceip, $interface) = PVE::Network::SDN::Zones::Plugin::find_local_ip_interface_peers(\@peers, $loopback);
- 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 $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 remote-as $asn";
+ push @controller_config, "neighbor $address peer-group VTEP";
}
- if ($is_gateway) {
- foreach my $address (@gatewaypeers) {
- push @controller_config, "neighbor $address remote-as external";
- }
- }
push(@{$bgp->{""}}, @controller_config);
+ # address-family l2vpn
@controller_config = ();
- foreach my $address (@peers) {
- next if $address eq $ifaceip;
- push @controller_config, "neighbor $address activate";
- }
+ 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);
- if ($is_gateway) {
- # import /32 routes of evpn network from vrf1 to default vrf (for packet return)
- @controller_config = map { "neighbor $_ activate" } @gatewaypeers;
-
- push(@{$bgp->{"address-family"}->{"ipv4 unicast"}}, @controller_config);
- push(@{$bgp->{"address-family"}->{"ipv6 unicast"}}, @controller_config);
- }
+ push(@{$config->{frr_routemap}->{'MAP_VTEP_OUT'}}, []);
return $config;
}
sub generate_controller_zone_config {
- my ($class, $plugin_config, $controller, $id, $uplinks, $config) = @_;
+ my ($class, $plugin_config, $controller, $controller_cfg, $id, $uplinks, $config) = @_;
- my $vrf = $id;
+ 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 $rt_import = [PVE::Tools::split_list($plugin_config->{'rt-import'})] if $plugin_config->{'rt-import'};
+
my $asn = $controller->{asn};
- my $gatewaynodes = $controller->{'gateway-nodes'};
+ my @peers = PVE::Tools::split_list($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}->{"$vrf"}}, @controller_config);
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{""}}, "!");
+ #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);
- my $local_node = PVE::INotify::nodename();
+ if ($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};
- my $is_gateway = grep { $_ eq $local_node } PVE::Tools::split_list($gatewaynodes);
if ($is_gateway) {
+ if($exitnodes_primary && $exitnodes_primary ne $local_node) {
+ my $routemap_config = ();
+ push @{$routemap_config}, "match evpn vni $vrfvxlan";
+ push @{$routemap_config}, "match evpn route-type prefix";
+ push @{$routemap_config}, "set metric 200";
+ unshift(@{$config->{frr_routemap}->{'MAP_VTEP_OUT'}}, $routemap_config);
+ }
+
+ if (!$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 = ();
- #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 $asn"}->{"address-family"}->{"ipv6 unicast"}}, @controller_config);
+ #add default originate to announce 0.0.0.0/0 type5 route in evpn
+ push @controller_config, "default-originate ipv4";
+ push @controller_config, "default-originate ipv6";
+ push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, @controller_config);
+ } elsif ($advertisesubnets) {
@controller_config = ();
- #redistribute connected to be able to route to local vms on the gateway
+ #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 $vrf"}->{"address-family"}->{"ipv6 unicast"}}, @controller_config);
@controller_config = ();
- #add default originate to announce 0.0.0.0/0 type5 route in evpn
- push @controller_config, "default-originate ipv4";
- push @controller_config, "default-originate ipv6";
+ #advertise connected networks type5 route in evpn
+ push @controller_config, "advertise ipv4 unicast";
+ push @controller_config, "advertise ipv6 unicast";
+ push(@{$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) = @_;
# 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};
- die "only 1 evpn controller can be defined" if $controller->{type} eq "evpn";
+ 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 = {};
$order->{''} = 0;
}
}
-sub write_controller_config {
+sub generate_frr_routemap {
+ my ($final_config, $routemaps) = @_;
+
+ foreach my $id (sort keys %$routemaps) {
+
+ my $routemap = $routemaps->{$id};
+ my $order = 0;
+ foreach my $seq (@$routemap) {
+ $order++;
+ my @config = ();
+ push @config, "!";
+ push @config, "route-map $id permit $order";
+ push @config, map { " $_" } @$seq;
+ 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 8.0.1";
+ push @{$final_config}, "frr defaults datacenter";
+ push @{$final_config}, "hostname $nodename";
push @{$final_config}, "log syslog informational";
- push @{$final_config}, "ip forwarding";
- push @{$final_config}, "ipv6 forwarding";
- push @{$final_config}, "frr defaults traditional";
push @{$final_config}, "service integrated-vtysh-config";
- push @{$final_config}, "hostname $nodename";
push @{$final_config}, "!";
if (-e "/etc/frr/frr.conf.local") {
generate_frr_recurse($final_config, $config->{frr}->{vrf}, "vrf", 1);
+ generate_frr_routemap($final_config, $config->{frr_routemap});
push @{$final_config}, "!";
my $local_conf = file_get_contents("/etc/frr/frr.conf.local");
push @{$final_config}, $local_conf;
} else {
generate_frr_recurse($final_config, $config->{frr}, undef, 0);
+ generate_frr_routemap($final_config, $config->{frr_routemap});
}
push @{$final_config}, "!";
my $rawconfig = join("\n", @{$final_config});
+ return if !$rawconfig;
+ return $rawconfig;
+}
+
+sub write_controller_config {
+ my ($class, $plugin_config, $config) = @_;
+
+ my $rawconfig = $class->generate_controller_rawconfig($plugin_config, $config);
return if !$rawconfig;
return if !-d "/etc/frr";
};
if (-e $conf_file && -e $bin_path) {
- run_command([$bin_path, '--stdout', '--reload', $conf_file], outfunc => {}, errfunc => $err);
+ eval {
+ run_command([$bin_path, '--stdout', '--reload', $conf_file], outfunc => {}, errfunc => $err);
+ };
+ if ($@) {
+ warn "frr reload command fail. Restarting frr.";
+ eval { run_command(['systemctl', 'restart', 'frr']); };
+ }
}
}
projects / pve-network.git / blobdiff