PVE/Network/SDN/Zones/VxlanPlugin.pm

   1 package PVE::Network::SDN::Zones::VxlanPlugin;
   2
   3 use strict;
   4 use warnings;
   5 use PVE::Network::SDN::Zones::Plugin;
   6 use PVE::Tools qw($IPV4RE);
   7 use PVE::INotify;
   8 use PVE::Network::SDN::Controllers::EvpnPlugin;
   9 use PVE::Exception qw(raise raise_param_exc);
  10
  11 use base('PVE::Network::SDN::Zones::Plugin');
  12
  13 PVE::JSONSchema::register_format('pve-sdn-vxlanrange', \&pve_verify_sdn_vxlanrange);
  14 sub pve_verify_sdn_vxlanrange {
  15    my ($vxlanstr) = @_;
  16
  17    PVE::Network::SDN::Zones::Plugin::parse_tag_number_or_range($vxlanstr, '16777216');
  18
  19    return $vxlanstr;
  20 }
  21
  22 sub type {
  23     return 'vxlan';
  24 }
  25
  26 sub properties {
  27     return {
  28         'peers' => {
  29             description => "peers address list.",
  30             type => 'string', format => 'ip-list'
  31         },
  32     };
  33 }
  34
  35 sub options {
  36
  37     return {
  38         nodes => { optional => 1},
  39         peers => { optional => 0 },
  40         mtu => { optional => 1 },
  41         dns => { optional => 1 },
  42         reversedns => { optional => 1 },
  43         dnszone => { optional => 1 },
  44         ipam => { optional => 0 },
  45     };
  46 }
  47
  48 # Plugin implementation
  49 sub generate_sdn_config {
  50     my ($class, $plugin_config, $zoneid, $vnetid, $vnet, $controller, $subnet_cfg, $interfaces_config, $config) = @_;
  51
  52     my $tag = $vnet->{tag};
  53     my $alias = $vnet->{alias};
  54     my $multicastaddress = $plugin_config->{'multicast-address'};
  55     my @peers;
  56     @peers = PVE::Tools::split_list($plugin_config->{'peers'}) if $plugin_config->{'peers'};
  57     my $vxlan_iface = "vxlan_$vnetid";
  58
  59     die "missing vxlan tag" if !$tag;
  60
  61     my ($ifaceip, $iface) = PVE::Network::SDN::Zones::Plugin::find_local_ip_interface_peers(\@peers);
  62
  63     my $mtu = 1450;
  64     $mtu = $interfaces_config->{$iface}->{mtu} - 50 if $interfaces_config->{$iface}->{mtu};
  65     $mtu = $plugin_config->{mtu} if $plugin_config->{mtu};
  66
  67     #vxlan interface
  68     my @iface_config = ();
  69     push @iface_config, "vxlan-id $tag";
  70
  71     foreach my $address (@peers) {
  72         next if $address eq $ifaceip;
  73         push @iface_config, "vxlan_remoteip $address";
  74     }
  75
  76
  77     push @iface_config, "mtu $mtu" if $mtu;
  78     push(@{$config->{$vxlan_iface}}, @iface_config) if !$config->{$vxlan_iface};
  79
  80     #vnet bridge
  81     @iface_config = ();
  82     push @iface_config, "bridge_ports $vxlan_iface";
  83     push @iface_config, "bridge_stp off";
  84     push @iface_config, "bridge_fd 0";
  85     if($vnet->{vlanaware}) {
  86         push @iface_config, "bridge-vlan-aware yes";
  87         push @iface_config, "bridge-vids 2-4094";
  88     }
  89     push @iface_config, "mtu $mtu" if $mtu;
  90     push @iface_config, "alias $alias" if $alias;
  91     push(@{$config->{$vnetid}}, @iface_config) if !$config->{$vnetid};
  92
  93     return $config;
  94 }
  95
  96 sub vnet_update_hook {
  97     my ($class, $vnet_cfg, $vnetid, $zone_cfg) = @_;
  98
  99     my $vnet = $vnet_cfg->{ids}->{$vnetid};
 100     my $tag = $vnet->{tag};
 101
 102     raise_param_exc({ tag => "missing vxlan tag"}) if !defined($tag);
 103     raise_param_exc({ tag => "vxlan tag max value is 16777216"}) if $tag > 16777216;
 104
 105     # verify that tag is not already defined globally (vxlan-id are unique)
 106     foreach my $id (keys %{$vnet_cfg->{ids}}) {
 107         next if $id eq $vnetid;
 108         my $othervnet = $vnet_cfg->{ids}->{$id};
 109         my $other_tag = $othervnet->{tag};
 110         my $other_zoneid = $othervnet->{zone};
 111         my $other_zone = $zone_cfg->{ids}->{$other_zoneid};
 112         next if $other_zone->{type} ne 'vxlan' && $other_zone->{type} ne 'evpn';
 113         raise_param_exc({ tag => "vxlan tag $tag already exist in vnet $id in zone $other_zoneid "}) if $other_tag && $tag eq $other_tag;
 114     }
 115 }
 116
 117 1;
 118
 119