use strict;
use warnings;
-use PVE::Network::SDN::Controllers::Plugin;
-use PVE::Tools;
+
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 properties {
return {
- 'uplink-id' => {
+ asn => {
type => 'integer',
- minimum => 1, maximum => 4096,
- description => 'Uplink interface',
+ description => "autonomous system number",
+ minimum => 0,
+ maximum => 4294967296
+ },
+ peers => {
+ description => "peers address list.",
+ type => 'string', format => 'ip-list'
},
- 'asn' => {
- type => 'integer',
- description => "autonomous system number",
- },
- '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'
- },
};
}
sub options {
-
return {
- 'uplink-id' => { optional => 0 },
- 'asn' => { optional => 0 },
- 'peers' => { optional => 0 },
- 'gateway-nodes' => { optional => 1 },
- 'gateway-external-peers' => { optional => 1 },
+ 'asn' => { optional => 0 },
+ 'peers' => { optional => 0 },
};
}
# Plugin implementation
sub generate_controller_config {
- my ($class, $plugin_config, $router, $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 $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'};
+ 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 $iface = "uplink$uplink";
- my $ifaceip = "";
-
- if($uplinks->{$uplink}->{name}) {
- $iface = $uplinks->{$uplink}->{name};
- $ifaceip = PVE::Network::SDN::Controllers::Plugin::get_first_local_ipv4_from_interface($iface);
- }
+ my $bgp = $config->{frr}->{router}->{"bgp $asn"} //= {};
- my $is_gateway = undef;
- my $local_node = PVE::INotify::nodename();
+ my ($ifaceip, $interface) = PVE::Network::SDN::Zones::Plugin::find_local_ip_interface_peers(\@peers, $loopback);
- foreach my $gatewaynode (PVE::Tools::split_list($gatewaynodes)) {
- $is_gateway = 1 if $gatewaynode eq $local_node;
- }
+ my $remoteas = $ebgp ? "external" : $asn;
- my @router_config = ();
+ #global options
+ my @controller_config = (
+ "bgp router-id $ifaceip",
+ "no bgp default ipv4-unicast",
+ "coalesce-time 1000",
+ );
- push @router_config, "bgp router-id $ifaceip";
- push @router_config, "no bgp default ipv4-unicast";
- push @router_config, "coalesce-time 1000";
+ push(@{$bgp->{""}}, @controller_config) if keys %{$bgp} == 0;
- foreach my $address (@peers) {
- next if $address eq $ifaceip;
- push @router_config, "neighbor $address remote-as $asn";
- }
+ @controller_config = ();
+
+ #VTEP neighbors
+ push @controller_config, "neighbor VTEP peer-group";
+ push @controller_config, "neighbor VTEP remote-as $remoteas";
+ push @controller_config, "neighbor VTEP bfd";
- if ($is_gateway) {
- foreach my $address (@gatewaypeers) {
- push @router_config, "neighbor $address remote-as external";
- }
+ if($ebgp && $loopback) {
+ push @controller_config, "neighbor VTEP ebgp-multihop 10";
+ push @controller_config, "neighbor VTEP update-source $loopback";
}
- push(@{$config->{frr}->{router}->{"bgp $asn"}->{""}}, @router_config);
- @router_config = ();
+ # VTEP peers
foreach my $address (@peers) {
next if $address eq $ifaceip;
- push @router_config, "neighbor $address activate";
+ push @controller_config, "neighbor $address peer-group VTEP";
}
- push @router_config, "advertise-all-vni";
- push(@{$config->{frr}->{router}->{"bgp $asn"}->{"address-family"}->{"l2vpn evpn"}}, @router_config);
- if ($is_gateway) {
+ push(@{$bgp->{""}}, @controller_config);
- @router_config = ();
- #import /32 routes of evpn network from vrf1 to default vrf (for packet return)
- 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);
+ # address-family l2vpn
+ @controller_config = ();
+ 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);
- }
+ push(@{$config->{frr_routemap}->{'MAP_VTEP_OUT'}}, []);
return $config;
}
-sub generate_controller_transport_config {
- my ($class, $plugin_config, $router, $id, $uplinks, $config) = @_;
+sub generate_controller_zone_config {
+ my ($class, $plugin_config, $controller, $controller_cfg, $id, $uplinks, $config) = @_;
+
+ my $local_node = PVE::INotify::nodename();
- my $vrf = $id;
+ my $vrf = "vrf_$id";
my $vrfvxlan = $plugin_config->{'vrf-vxlan'};
- my $asn = $router->{asn};
- my $gatewaynodes = $router->{'gateway-nodes'};
+ 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 = $controller->{asn};
+ my @peers = PVE::Tools::split_list($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;
- #vrf
- my @router_config = ();
- push @router_config, "vni $vrfvxlan";
- push(@{$config->{frr}->{vrf}->{"$vrf"}}, @router_config);
+ my ($ifaceip, $interface) = PVE::Network::SDN::Zones::Plugin::find_local_ip_interface_peers(\@peers, $loopback);
- @router_config = ();
+ # vrf
+ my @controller_config = ();
+ push @controller_config, "vni $vrfvxlan";
+ push(@{$config->{frr}->{vrf}->{"$vrf"}}, @controller_config);
- my $is_gateway = undef;
- my $local_node = PVE::INotify::nodename();
+ #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);
- foreach my $gatewaynode (PVE::Tools::split_list($gatewaynodes)) {
- $is_gateway = 1 if $gatewaynode eq $local_node;
+ if ($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) {
- @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 $vrf"}->{"address-family"}->{"ipv6 unicast"}}, @router_config);
-
- @router_config = ();
+ if($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 $vrf"}->{"address-family"}->{"ipv6 unicast"}}, @controller_config);
+ }
+
+ @controller_config = ();
#add default originate to announce 0.0.0.0/0 type5 route in evpn
- push @router_config, "default-originate ipv4";
- push @router_config, "default-originate ipv6";
- push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{"address-family"}->{"l2vpn evpn"}}, @router_config);
+ push @controller_config, "default-originate ipv4";
+ push @controller_config, "default-originate ipv6";
+ push(@{$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, $routerid, $sdn_cfg) = @_;
+ my ($class, $controllerid, $zone_cfg) = @_;
- # verify that transport is associated to this router
- foreach my $id (keys %{$sdn_cfg->{ids}}) {
- my $sdn = $sdn_cfg->{ids}->{$id};
- die "router $routerid is used by $id"
- if (defined($sdn->{router}) && $sdn->{router} eq $routerid);
+ # 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, $routerid, $sdn_cfg) = @_;
-
- # verify that asn is not already used by another router
- my $asn = $sdn_cfg->{ids}->{$routerid}->{asn};
- foreach my $id (keys %{$sdn_cfg->{ids}}) {
- next if $id eq $routerid;
- my $sdn = $sdn_cfg->{ids}->{$id};
- die "asn $asn is already used by $id"
- if (defined($sdn->{asn}) && $sdn->{asn} eq $asn);
+ my ($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;
$a_val = $order->{$a} if defined($order->{$a});
$b_val = $order->{$b} if defined($order->{$b});
- if($a =~ /bgp (\d+)$/) {
+ if ($a =~ /bgp (\d+)$/) {
$a_val = 2;
}
- if($b =~ /bgp (\d+)$/) {
+ if ($b =~ /bgp (\d+)$/) {
$b_val = 2;
}
$exitkeylist->{vrf} = 1;
$exitkeylist->{'address-family'} = 1;
- #fix me, make this generic
+ # FIXME: make this generic
my $paddinglevel = undef;
- if($level == 1 || $level == 2) {
- $paddinglevel = $level - 1;
+ if ($level == 1 || $level == 2) {
+ $paddinglevel = $level - 1;
} elsif ($level == 3 || $level == 4) {
- $paddinglevel = $level - 2;
+ $paddinglevel = $level - 2;
}
my $padding = "";
$padding = ' ' x ($paddinglevel) if $paddinglevel;
- if (ref $content eq ref {}) {
+ 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 $key";
- } else {
- push @{$final_config}, $padding."$key" if $key ne '' && !defined($keylist->{$key});
+ push @{$final_config}, $padding."!";
+ push @{$final_config}, $padding."$parentkey $key";
+ } elsif ($key ne '' && !defined($keylist->{$key})) {
+ push @{$final_config}, $padding."$key";
}
my $option = $content->{$key};
}
if (ref $content eq 'ARRAY') {
- foreach my $value (@$content) {
- push @{$final_config}, $padding."$value";
- }
+ push @{$final_config}, map { $padding . "$_" } @$content;
}
}
-sub write_controller_config {
+sub generate_frr_routemap {
+ my ($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 @{$final_config}, "service integrated-vtysh-config";
push @{$final_config}, "!";
- generate_frr_recurse($final_config, $config->{frr}, undef, 0);
+ if (-e "/etc/frr/frr.conf.local") {
+ generate_frr_recurse($final_config, $config->{frr}->{vrf}, "vrf", 1);
+ generate_frr_routemap($final_config, $config->{frr_routemap});
+ push @{$final_config}, "!";
+
+ my $local_conf = file_get_contents("/etc/frr/frr.conf.local");
+ chomp ($local_conf);
+ 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}, "!";
push @{$final_config}, "line vty";
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";
- my $frr_config_file = "/etc/frr/frr.conf";
-
- my $writefh = IO::File->new($frr_config_file,">");
- print $writefh $rawconfig;
- $writefh->close();
+ file_set_contents("/etc/frr/frr.conf", $rawconfig);
}
sub reload_controller {
my ($class) = @_;
my $conf_file = "/etc/frr/frr.conf";
- my $bin_path = "/usr/bin/vtysh";
+ 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 =~ /^line (\S+)/) {
- print "$line \n";
+ if ($line =~ /ERROR:/) {
+ warn "$line \n";
}
};
if (-e $conf_file && -e $bin_path) {
- PVE::Tools::run_command([$bin_path, '-m', '-f', $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