3 files changed, 148 insertions, 5 deletions

diff --git a/src/PVE/Network/SDN/Controllers/EvpnPlugin.pm b/src/PVE/Network/SDN/Controllers/EvpnPlugin.pm
index f1dd20f..3ac7d7e 100644
--- a/src/PVE/Network/SDN/Controllers/EvpnPlugin.pm
+++ b/src/PVE/Network/SDN/Controllers/EvpnPlugin.pm
@@ -53,11 +53,15 @@ sub generate_controller_config {
     my $loopback = undef;
     my $autortas = undef;
     my $bgprouter = find_bgp_controller($local_node, $controller_cfg);
+    my $isisrouter = find_isis_controller($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 $ebgp;
+    } elsif ($isisrouter) {
+	$loopback = $isisrouter->{loopback} if $isisrouter->{loopback};
     }
 
     return if !$asn;
@@ -86,10 +90,8 @@ sub generate_controller_config {
     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";
-    }
+    push @controller_config, "neighbor VTEP ebgp-multihop 10" if $ebgp && $loopback;
+    push @controller_config, "neighbor VTEP update-source $loopback" if $loopback;
 
     # VTEP peers
     foreach my $address (@peers) {
@@ -136,11 +138,15 @@ sub generate_controller_zone_config {
     my $loopback = undef;
     my $autortas = undef;
     my $bgprouter = find_bgp_controller($local_node, $controller_cfg);
+    my $isisrouter = find_isis_controller($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 $ebgp;
+    } elsif ($isisrouter) {
+        $loopback = $isisrouter->{loopback} if $isisrouter->{loopback};
     }
 
     return if !$vrf || !$vrfvxlan || !$asn;
@@ -306,6 +312,20 @@ sub find_bgp_controller {
     return $res;
 }
 
+sub find_isis_controller {
+    my ($nodename, $controller_cfg) = @_;
+
+    my $res = undef;
+    foreach my $id  (keys %{$controller_cfg->{ids}}) {
+	my $controller = $controller_cfg->{ids}->{$id};
+	next if $controller->{type} ne 'isis';
+	next if $controller->{node} ne $nodename;
+	$res = $controller;
+	last;
+    }
+    return $res;
+}
+
 sub generate_frr_recurse{
    my ($final_config, $content, $parentkey, $level) = @_;
 
diff --git a/src/PVE/Network/SDN/Controllers/IsisPlugin.pm b/src/PVE/Network/SDN/Controllers/IsisPlugin.pm
new file mode 100644
index 0000000..afea82e
--- /dev/null
+++ b/src/PVE/Network/SDN/Controllers/IsisPlugin.pm
@@ -0,0 +1,123 @@
+package PVE::Network::SDN::Controllers::IsisPlugin;
+
+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 'isis';
+}
+
+sub properties {
+    return {
+	'isis-domain' => {
+	    description => "ISIS domain.",
+	    type => 'string'
+	},
+	'isis-ifaces' => {
+	    description => "ISIS interface.",
+	    type => 'string', format => 'pve-iface-list',
+	},
+	'isis-net' => {
+	    description => "ISIS network entity title.",
+	    type => 'string'
+	},
+    };
+}
+
+sub options {
+    return {
+	'isis-domain' => { optional => 0 },
+	'isis-net' => { optional => 0 },
+	'isis-ifaces' => { optional => 0 },
+        'node' => { optional => 0 },
+        'loopback' => { optional => 1 },
+    };
+}
+
+# Plugin implementation
+sub generate_controller_config {
+    my ($class, $plugin_config, $controller, $id, $uplinks, $config) = @_;
+
+    my $isis_ifaces = $plugin_config->{'isis-ifaces'};
+    my $isis_net = $plugin_config->{'isis-net'};
+    my $isis_domain = $plugin_config->{'isis-domain'};
+    my $local_node = PVE::INotify::nodename();
+
+    return if !$isis_ifaces || !$isis_net || !$isis_domain;
+    return if $local_node ne $plugin_config->{node};
+
+    my @router_config = (
+	"net $isis_net",
+	"redistribute ipv4 connected level-1",
+	"redistribute ipv6 connected level-1",
+	"log-adjacency-changes",
+    );
+
+    push(@{$config->{frr}->{router}->{"isis $isis_domain"}}, @router_config);
+
+    my @iface_config = (
+	"ip router isis $isis_domain"
+    );
+
+    my @ifaces = PVE::Tools::split_list($isis_ifaces);
+    for my $iface (sort @ifaces) {
+	push(@{$config->{frr_interfaces}->{$iface}}, @iface_config);
+    }
+
+    return $config;
+}
+
+sub generate_controller_zone_config {
+    my ($class, $plugin_config, $controller, $controller_cfg, $id, $uplinks, $config) = @_;
+
+}
+
+sub on_delete_hook {
+    my ($class, $controllerid, $zone_cfg) = @_;
+
+}
+
+sub on_update_hook {
+    my ($class, $controllerid, $controller_cfg) = @_;
+
+    # we can only have 1 bgp controller by node
+    my $local_node = PVE::INotify::nodename();
+    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 "isis";
+        next if $controller->{node} ne $local_node;
+        $controllernb++;
+        die "only 1 bgp or isis controller can be defined" if $controllernb > 1;
+    }
+}
+
+sub generate_controller_rawconfig {
+    my ($class, $plugin_config, $config) = @_;
+    return "";
+}
+
+sub write_controller_config {
+    my ($class, $plugin_config, $config) = @_;
+    return;
+}
+
+sub reload_controller {
+    my ($class) = @_;
+    return;
+}
+
+1;
+
+
diff --git a/src/PVE/Network/SDN/Controllers/Makefile b/src/PVE/Network/SDN/Controllers/Makefile
index 11686a3..fd9f881 100644
--- a/src/PVE/Network/SDN/Controllers/Makefile
+++ b/src/PVE/Network/SDN/Controllers/Makefile
@@ -1,4 +1,4 @@
-SOURCES=Plugin.pm FaucetPlugin.pm EvpnPlugin.pm BgpPlugin.pm
+SOURCES=Plugin.pm FaucetPlugin.pm EvpnPlugin.pm BgpPlugin.pm IsisPlugin.pm
 
 
 PERL5DIR=${DESTDIR}/usr/share/perl5