PVE/Network/SDN/Vnets.pm

   1 package PVE::Network::SDN::Vnets;
   2
   3 use strict;
   4 use warnings;
   5
   6 use PVE::Cluster qw(cfs_read_file cfs_write_file cfs_lock_file);
   7 use Net::IP;
   8 use PVE::Network::SDN::Subnets;
   9
  10 use PVE::Network::SDN::VnetPlugin;
  11 PVE::Network::SDN::VnetPlugin->register();
  12 PVE::Network::SDN::VnetPlugin->init();
  13
  14 sub sdn_vnets_config {
  15     my ($cfg, $id, $noerr) = @_;
  16
  17     die "no sdn vnet ID specified\n" if !$id;
  18
  19     my $scfg = $cfg->{ids}->{$id};
  20     die "sdn vnet '$id' does not exist\n" if (!$noerr && !$scfg);
  21
  22     return $scfg;
  23 }
  24
  25 sub config {
  26     return cfs_read_file("sdn/vnets.cfg");
  27 }
  28
  29 sub write_config {
  30     my ($cfg) = @_;
  31
  32     cfs_write_file("sdn/vnets.cfg", $cfg);
  33 }
  34
  35 sub sdn_vnets_ids {
  36     my ($cfg) = @_;
  37
  38     return keys %{$cfg->{ids}};
  39 }
  40
  41 sub complete_sdn_vnet {
  42     my ($cmdname, $pname, $cvalue) = @_;
  43
  44     my $cfg = PVE::Network::SDN::Vnets::config();
  45
  46     return  $cmdname eq 'add' ? [] : [ PVE::Network::SDN::Vnets::sdn_vnet_ids($cfg) ];
  47 }
  48
  49 sub get_vnet {
  50     my ($vnetid) = @_;
  51
  52     my $cfg = PVE::Network::SDN::Vnets::config();
  53     my $vnet = PVE::Network::SDN::Vnets::sdn_vnets_config($cfg, $vnetid, 1);
  54     return $vnet;
  55 }
  56
  57 sub get_subnets {
  58     my ($vnetid) = @_;
  59
  60     my $subnets = {};
  61     my $subnets_cfg = PVE::Network::SDN::Subnets::config();
  62     foreach my $subnetid (sort keys %{$subnets_cfg->{ids}}) {
  63         my $subnet = $subnets_cfg->{ids}->{$subnetid};
  64         next if !$subnet->{vnet} || $subnet->{vnet} ne $vnetid;
  65         $subnets->{$subnetid} = $subnet;
  66     }
  67     return $subnets;
  68
  69 }
  70
  71 sub get_next_free_ip {
  72     my ($vnetid, $hostname, $ipversion) = @_;
  73
  74     $ipversion = 4 if !$ipversion;
  75     my $subnets = PVE::Network::SDN::Vnets::get_subnets($vnetid);
  76     my $ip = undef;
  77     my $subnetcount = 0;
  78
  79     foreach my $subnetid (sort keys %{$subnets}) {
  80         my $subnet = $subnets->{$subnetid};
  81         my ($network, $mask) = split(/-/, $subnetid);
  82
  83         next if $ipversion != Net::IP::ip_get_version($network);
  84         $subnetcount++;
  85         if ($subnet->{ipam}) {
  86             eval {
  87                 $ip = PVE::Network::SDN::Subnets::next_free_ip($subnetid, $subnet, $hostname);
  88             };
  89             warn $@ if $@;
  90         }
  91         last if $ip;
  92     }
  93     die "can't find any free ip" if !$ip && $subnetcount > 0;
  94
  95     return $ip;
  96 }
  97
  98 sub add_ip {
  99     my ($vnetid, $cidr, $hostname) = @_;
 100
 101     my $subnets = PVE::Network::SDN::Vnets::get_subnets($vnetid);
 102
 103     my ($ip, $mask) = split(/\//, $cidr);
 104     my ($subnetid, $subnet) = PVE::Network::SDN::Subnets::find_ip_subnet($ip, $subnets);
 105
 106     PVE::Network::SDN::Subnets::add_ip($subnetid, $subnet, $ip, $hostname);
 107 }
 108
 109 sub del_ip {
 110     my ($vnetid, $cidr, $hostname) = @_;
 111
 112     my $subnets = PVE::Network::SDN::Vnets::get_subnets($vnetid);
 113
 114     my ($ip, $mask) = split(/\//, $cidr);
 115     my ($subnetid, $subnet) = PVE::Network::SDN::Subnets::find_ip_subnet($ip, $subnets);
 116
 117     PVE::Network::SDN::Subnets::del_ip($subnetid, $subnet, $ip, $hostname);
 118 }
 119
 120 1;