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 use PVE::Exception qw(raise raise_param_exc);
   7
   8 use base('PVE::Network::SDN::Zones::Plugin');
   9
  10 sub type {
  11     return 'vlan';
  12 }
  13
  14 PVE::JSONSchema::register_format('pve-sdn-vlanrange', \&pve_verify_sdn_vlanrange);
  15 sub pve_verify_sdn_vlanrange {
  16    my ($vlanstr) = @_;
  17
  18    PVE::Network::SDN::Zones::Plugin::parse_tag_number_or_range($vlanstr, '4096');
  19
  20    return $vlanstr;
  21 }
  22
  23 sub properties {
  24     return {
  25         'bridge' => {
  26             type => 'string',
  27         },
  28     };
  29 }
  30
  31 sub options {
  32
  33     return {
  34         nodes => { optional => 1},
  35         'bridge' => { optional => 0 },
  36         mtu => { optional => 1 }
  37     };
  38 }
  39
  40 # Plugin implementation
  41 sub generate_sdn_config {
  42     my ($class, $plugin_config, $zoneid, $vnetid, $vnet, $controller, $subnet_cfg, $interfaces_config, $config) = @_;
  43
  44     my $bridge = $plugin_config->{bridge};
  45     die "can't find bridge $bridge" if !-d "/sys/class/net/$bridge";
  46
  47     my $vlan_aware = PVE::Tools::file_read_firstline("/sys/class/net/$bridge/bridge/vlan_filtering");
  48     my $is_ovs = !-d "/sys/class/net/$bridge/brif";
  49
  50     my $tag = $vnet->{tag};
  51     my $alias = $vnet->{alias};
  52     my $mtu = $plugin_config->{mtu};
  53
  54     my $vnet_uplink = "ln_".$vnetid;
  55     my $vnet_uplinkpeer = "pr_".$vnetid;
  56
  57     my @iface_config = ();
  58
  59     if($is_ovs) {
  60
  61         # keep vmbrXvY for compatibility with existing network
  62         # eth0----ovs vmbr0--(ovsintport tag)---->vnet---->vm
  63
  64         @iface_config = ();
  65         push @iface_config, "ovs_type OVSIntPort";
  66         push @iface_config, "ovs_bridge $bridge";
  67         push @iface_config, "ovs_mtu $mtu" if $mtu;
  68         if($vnet->{vlanaware}) {
  69             push @iface_config, "ovs_options vlan_mode=dot1q-tunnel other_config:qinq-ethtype=802.1q tag=$tag";
  70         } else {
  71             push @iface_config, "ovs_options tag=$tag";
  72         }
  73         push(@{$config->{$vnet_uplink}}, @iface_config) if !$config->{$vnet_uplink};
  74
  75         #redefine main ovs bridge, ifupdown2 will merge ovs_ports
  76         @iface_config = ();
  77         push @iface_config, "ovs_ports $vnet_uplink";
  78         push(@{$config->{$bridge}}, @iface_config);
  79
  80     } elsif ($vlan_aware) {
  81         # eth0----vlanaware bridge vmbr0--(vmbr0.X tag)---->vnet---->vm
  82         $vnet_uplink = "$bridge.$tag";
  83     } else {
  84
  85         # keep vmbrXvY for compatibility with existing network
  86         # eth0<---->eth0.X----vmbr0v10------vnet---->vm
  87
  88         my $bridgevlan = $bridge."v".$tag;
  89
  90         my @bridge_ifaces = ();
  91         my $dir = "/sys/class/net/$bridge/brif";
  92         PVE::Tools::dir_glob_foreach($dir, '(((eth|bond)\d+|en[^.]+)(\.\d+)?)', sub {
  93             push @bridge_ifaces, $_[0];
  94         });
  95
  96         my $bridge_ports = "";
  97         foreach my $bridge_iface (@bridge_ifaces) {
  98             $bridge_ports .= " $bridge_iface.$tag";
  99         }
 100
 101         @iface_config = ();
 102         push @iface_config, "link-type veth";
 103         push @iface_config, "veth-peer-name $vnet_uplinkpeer";
 104         push(@{$config->{$vnet_uplink}}, @iface_config) if !$config->{$vnet_uplink};
 105
 106         @iface_config = ();
 107         push @iface_config, "link-type veth";
 108         push @iface_config, "veth-peer-name $vnet_uplink";
 109         push(@{$config->{$vnet_uplinkpeer}}, @iface_config) if !$config->{$vnet_uplinkpeer};
 110
 111         @iface_config = ();
 112         push @iface_config, "bridge_ports $bridge_ports $vnet_uplinkpeer";
 113         push @iface_config, "bridge_stp off";
 114         push @iface_config, "bridge_fd 0";
 115         push(@{$config->{$bridgevlan}}, @iface_config) if !$config->{$bridgevlan};
 116     }
 117
 118     #vnet bridge
 119     @iface_config = ();
 120     push @iface_config, "bridge_ports $vnet_uplink";
 121     push @iface_config, "bridge_stp off";
 122     push @iface_config, "bridge_fd 0";
 123     if($vnet->{vlanaware}) {
 124         push @iface_config, "bridge-vlan-aware yes";
 125         push @iface_config, "bridge-vids 2-4094";
 126     }
 127     push @iface_config, "mtu $mtu" if $mtu;
 128     push @iface_config, "alias $alias" if $alias;
 129     push(@{$config->{$vnetid}}, @iface_config) if !$config->{$vnetid};
 130
 131     return $config;
 132 }
 133
 134 sub status {
 135     my ($class, $plugin_config, $zone, $vnetid, $vnet, $status) = @_;
 136
 137     my $bridge = $plugin_config->{bridge};
 138
 139     my $err_msg = [];
 140     if (!-d "/sys/class/net/$bridge") {
 141         push @$err_msg, "missing $bridge";
 142         return $err_msg;
 143     }
 144
 145     my $vlan_aware = PVE::Tools::file_read_firstline("/sys/class/net/$bridge/bridge/vlan_filtering");
 146     my $is_ovs = !-d "/sys/class/net/$bridge/brif";
 147
 148     my $tag = $vnet->{tag};
 149     my $vnet_uplink = "ln_".$vnetid;
 150     my $vnet_uplinkpeer = "pr_".$vnetid;
 151
 152     # ifaces to check
 153     my $ifaces = [ $vnetid, $bridge ];
 154     if($is_ovs) {
 155         push @$ifaces, $vnet_uplink;
 156     } elsif (!$vlan_aware) {
 157         my $bridgevlan = $bridge."v".$tag;
 158         push @$ifaces, $bridgevlan;
 159         push @$ifaces, $vnet_uplink;
 160         push @$ifaces, $vnet_uplinkpeer;
 161     }
 162
 163     foreach my $iface (@{$ifaces}) {
 164         if (!$status->{$iface}->{status}) {
 165             push @$err_msg, "missing $iface";
 166         } elsif ($status->{$iface}->{status} ne 'pass') {
 167             push @$err_msg, "error iface $iface";
 168         }
 169     }
 170     return $err_msg;
 171 }
 172
 173 sub vnet_update_hook {
 174     my ($class, $vnet) = @_;
 175
 176     raise_param_exc({ tag => "missing vlan tag"}) if !defined($vnet->{tag});
 177     raise_param_exc({ tag => "vlan tag max value is 4096"}) if $vnet->{tag} > 4096;
 178 }
 179
 180 1;
 181
 182