PVE/Network/SDN/Zones/VlanPlugin.pm

   1 package PVE::Network::SDN::Zones::VlanPlugin;
   2
   3 use strict;
   4 use warnings;
   5 use PVE::Network::SDN::Zones::Plugin;
   6
   7 use base('PVE::Network::SDN::Zones::Plugin');
   8
   9 sub type {
  10     return 'vlan';
  11 }
  12
  13 PVE::JSONSchema::register_format('pve-sdn-vlanrange', \&pve_verify_sdn_vlanrange);
  14 sub pve_verify_sdn_vlanrange {
  15    my ($vlanstr) = @_;
  16
  17    PVE::Network::SDN::Zones::Plugin::parse_tag_number_or_range($vlanstr, '4096');
  18
  19    return $vlanstr;
  20 }
  21
  22 sub properties {
  23     return {
  24         'uplink-id' => {
  25             type => 'integer',
  26             minimum => 1, maximum => 4096,
  27             description => 'Uplink interface',
  28         },
  29         'vlan-allowed' => {
  30             type => 'string', format => 'pve-sdn-vlanrange',
  31             description => "Allowed vlan range",
  32         },
  33     };
  34 }
  35
  36 sub options {
  37
  38     return {
  39         'uplink-id' => { optional => 0 },
  40         'vlan-allowed' => { optional => 1 },
  41     };
  42 }
  43
  44 # Plugin implementation
  45 sub generate_sdn_config {
  46     my ($class, $plugin_config, $zoneid, $vnetid, $vnet, $uplinks, $config) = @_;
  47
  48     my $tag = $vnet->{tag};
  49     my $mtu = $vnet->{mtu};
  50     my $alias = $vnet->{alias};
  51     my $uplink = $plugin_config->{'uplink-id'};
  52
  53     die "missing vlan tag" if !$tag;
  54
  55     my $iface = $uplinks->{$uplink}->{name};
  56     $iface = "uplink${uplink}" if !$iface;
  57     $iface .= ".$tag";
  58
  59     #tagged interface
  60     my @iface_config = ();
  61     push @iface_config, "mtu $mtu" if $mtu;
  62     push(@{$config->{$iface}}, @iface_config) if !$config->{$iface};
  63
  64     #vnet bridge
  65     @iface_config = ();
  66     push @iface_config, "bridge_ports $iface";
  67     push @iface_config, "bridge_stp off";
  68     push @iface_config, "bridge_fd 0";
  69     push @iface_config, "mtu $mtu" if $mtu;
  70     push @iface_config, "alias $alias" if $alias;
  71     push(@{$config->{$vnetid}}, @iface_config) if !$config->{$vnetid};
  72
  73     return $config;
  74 }
  75
  76 sub on_delete_hook {
  77     my ($class, $transportid, $sdn_cfg) = @_;
  78
  79     # verify that no vnet are associated to this transport
  80     foreach my $id (keys %{$sdn_cfg->{ids}}) {
  81         my $sdn = $sdn_cfg->{ids}->{$id};
  82         die "transport $transportid is used by vnet $id"
  83             if ($sdn->{type} eq 'vnet' && defined($sdn->{zone}) && $sdn->{zone} eq $transportid);
  84     }
  85 }
  86
  87 sub on_update_hook {
  88     my ($class, $transportid, $sdn_cfg) = @_;
  89
  90     my $transport = $sdn_cfg->{ids}->{$transportid};
  91
  92     # verify that vlan-allowed don't conflict with another vlan-allowed transport
  93
  94     # verify that vlan-allowed is matching currently vnet tag in this transport
  95     my $vlanallowed = $transport->{'vlan-allowed'};
  96     if ($vlanallowed) {
  97         foreach my $id (keys %{$sdn_cfg->{ids}}) {
  98             my $sdn = $sdn_cfg->{ids}->{$id};
  99             if ($sdn->{type} eq 'vnet' && defined($sdn->{tag})) {
 100                 if(defined($sdn->{zone}) && $sdn->{zone} eq $transportid) {
 101                     my $tag = $sdn->{tag};
 102                     eval {
 103                         PVE::Network::SDN::Zones::Plugin::parse_tag_number_or_range($vlanallowed, '4096', $tag);
 104                     };
 105                     if($@) {
 106                         die "vlan $tag is not allowed in transport $transportid";
 107                     }
 108                 }
 109             }
 110         }
 111     }
 112 }
 113
 114 1;
 115
 116