controllers: evpn : use frr restart if reload fail

[pve-network.git] / PVE / Network / SDN / Controllers / EvpnPlugin.pm

diff --git a/PVE/Network/SDN/Controllers/EvpnPlugin.pm b/PVE/Network/SDN/Controllers/EvpnPlugin.pm
index 3e450cfd5838fbfbd093e8f8d201857def33188f..0c498939dc09431dd131e806f7643eedb09b045a 100644 (file)
--- a/PVE/Network/SDN/Controllers/EvpnPlugin.pm
+++ b/PVE/Network/SDN/Controllers/EvpnPlugin.pm
@@ -22,6 +22,8 @@ sub properties {
        asn => {
            type => 'integer',
            description => "autonomous system number",
+           minimum => 0,
+           maximum => 4294967296
        },
        peers => {
            description => "peers address list.",
@@ -97,11 +99,14 @@ sub generate_controller_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;
 }
 
@@ -113,10 +118,13 @@ sub generate_controller_zone_config {
     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 = $controller->{asn};
+    my @peers = PVE::Tools::split_list($controller->{'peers'}) if $controller->{'peers'};
     my $ebgp = undef;
     my $loopback = undef;
     my $autortas = undef;
@@ -130,6 +138,8 @@ sub generate_controller_zone_config {
 
     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";
@@ -137,7 +147,7 @@ sub generate_controller_zone_config {
 
     #main vrf router
     @controller_config = ();
-    push @controller_config, "no bgp ebgp-requires-policy" if $ebgp;
+    push @controller_config, "bgp router-id $ifaceip";
 #    push @controller_config, "!";
     push(@{$config->{frr}->{router}->{"bgp $asn vrf $vrf"}->{""}}, @controller_config);
 
@@ -150,6 +160,14 @@ sub generate_controller_zone_config {
 
     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)
@@ -184,6 +202,14 @@ sub generate_controller_zone_config {
        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;
 }
 
@@ -320,22 +346,39 @@ sub generate_frr_recurse{
     }
 }
 
+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}, "log syslog informational";
-    push @{$final_config}, "ip forwarding";
-    push @{$final_config}, "ipv6 forwarding";
+    push @{$final_config}, "frr version 8.0.1";
     push @{$final_config}, "frr defaults datacenter";
-    push @{$final_config}, "service integrated-vtysh-config";
     push @{$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") {
        generate_frr_recurse($final_config, $config->{frr}->{vrf}, "vrf", 1);
+       generate_frr_routemap($final_config, $config->{frr_routemap});
        push @{$final_config}, "!";
 
        my $local_conf = file_get_contents("/etc/frr/frr.conf.local");
@@ -343,6 +386,7 @@ sub generate_controller_rawconfig {
        push @{$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}, "!";
@@ -384,7 +428,13 @@ sub reload_controller {
     };
 
     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']); };
+       }
     }
 }