PVE/Network/SDN/Vnets.pm

   1 package PVE::Network::SDN::Vnets;
   2
   3 use strict;
   4 use warnings;
   5
   6 use Net::IP;
   7
   8 use PVE::Cluster qw(cfs_read_file cfs_write_file cfs_lock_file);
   9 use PVE::Network::SDN;
  10 use PVE::Network::SDN::Subnets;
  11 use PVE::Network::SDN::Zones;
  12
  13 use PVE::Network::SDN::VnetPlugin;
  14 PVE::Network::SDN::VnetPlugin->register();
  15 PVE::Network::SDN::VnetPlugin->init();
  16
  17 sub sdn_vnets_config {
  18     my ($cfg, $id, $noerr) = @_;
  19
  20     die "no sdn vnet ID specified\n" if !$id;
  21
  22     my $scfg = $cfg->{ids}->{$id};
  23     die "sdn vnet '$id' does not exist\n" if (!$noerr && !$scfg);
  24
  25     return $scfg;
  26 }
  27
  28 sub config {
  29     return cfs_read_file("sdn/vnets.cfg");
  30 }
  31
  32 sub write_config {
  33     my ($cfg) = @_;
  34
  35     cfs_write_file("sdn/vnets.cfg", $cfg);
  36 }
  37
  38 sub sdn_vnets_ids {
  39     my ($cfg) = @_;
  40
  41     return sort keys %{$cfg->{ids}};
  42 }
  43
  44 sub complete_sdn_vnet {
  45     my ($cmdname, $pname, $cvalue) = @_;
  46
  47     my $cfg = PVE::Network::SDN::Vnets::config();
  48
  49     return  $cmdname eq 'add' ? [] : [ PVE::Network::SDN::Vnets::sdn_vnet_ids($cfg) ];
  50 }
  51
  52 sub get_vnet {
  53     my ($vnetid, $running) = @_;
  54
  55     my $cfg = {};
  56     if($running) {
  57         my $cfg = PVE::Network::SDN::running_config();
  58         $cfg = $cfg->{vnets};
  59     } else {
  60         $cfg = PVE::Network::SDN::Vnets::config();
  61     }
  62
  63     my $vnet = PVE::Network::SDN::Vnets::sdn_vnets_config($cfg, $vnetid, 1);
  64
  65     return $vnet;
  66 }
  67
  68 sub get_subnets {
  69     my ($vnetid) = @_;
  70
  71     my $subnets = undef;
  72     my $subnets_cfg = PVE::Network::SDN::Subnets::config();
  73     foreach my $subnetid (sort keys %{$subnets_cfg->{ids}}) {
  74         my $subnet = PVE::Network::SDN::Subnets::sdn_subnets_config($subnets_cfg, $subnetid);
  75         next if !$subnet->{vnet} || $subnet->{vnet} ne $vnetid;
  76         $subnets->{$subnetid} = $subnet;
  77     }
  78     return $subnets;
  79
  80 }
  81
  82 sub get_subnet_from_vnet_cidr {
  83     my ($vnetid, $cidr) = @_;
  84
  85     my $subnets = PVE::Network::SDN::Vnets::get_subnets($vnetid, 1);
  86     my $vnet = PVE::Network::SDN::Vnets::get_vnet($vnetid);
  87     my $zoneid = $vnet->{zone};
  88     my $zone = PVE::Network::SDN::Zones::get_zone($zoneid);
  89
  90     my ($ip, $mask) = split(/\//, $cidr);
  91     die "ip address is not in cidr format" if !$mask;
  92
  93     my ($subnetid, $subnet) = PVE::Network::SDN::Subnets::find_ip_subnet($ip, $mask, $subnets);
  94
  95     return ($zone, $subnetid, $subnet, $ip);
  96 }
  97
  98 sub get_next_free_cidr {
  99     my ($vnetid, $hostname, $mac, $description, $ipversion) = @_;
 100
 101     my $vnet = PVE::Network::SDN::Vnets::get_vnet($vnetid);
 102     my $zoneid = $vnet->{zone};
 103     my $zone = PVE::Network::SDN::Zones::get_zone($zoneid);
 104
 105     return if !$zone->{ipam};
 106
 107     $ipversion = 4 if !$ipversion;
 108     my $subnets = PVE::Network::SDN::Vnets::get_subnets($vnetid, 1);
 109     my $ip = undef;
 110     my $subnetcount = 0;
 111
 112     foreach my $subnetid (sort keys %{$subnets}) {
 113         my $subnet = $subnets->{$subnetid};
 114         my $network = $subnet->{network};
 115
 116         next if $ipversion != Net::IP::ip_get_version($network);
 117         $subnetcount++;
 118
 119         eval {
 120             $ip = PVE::Network::SDN::Subnets::next_free_ip($zone, $subnetid, $subnet, $hostname, $mac, $description);
 121         };
 122         warn $@ if $@;
 123         last if $ip;
 124     }
 125     die "can't find any free ip" if !$ip && $subnetcount > 0;
 126
 127     return $ip;
 128 }
 129
 130 sub add_cidr {
 131     my ($vnetid, $cidr, $hostname, $mac, $description) = @_;
 132
 133     my ($zone, $subnetid, $subnet, $ip) = PVE::Network::SDN::Vnets::get_subnet_from_vnet_cidr($vnetid, $cidr);
 134     PVE::Network::SDN::Subnets::add_ip($zone, $subnetid, $subnet, $ip, $hostname, $mac, $description);
 135 }
 136
 137 sub update_cidr {
 138     my ($vnetid, $cidr, $hostname, $oldhostname, $mac, $description) = @_;
 139
 140     my ($zone, $subnetid, $subnet, $ip) = PVE::Network::SDN::Vnets::get_subnet_from_vnet_cidr($vnetid, $cidr);
 141     PVE::Network::SDN::Subnets::update_ip($zone, $subnetid, $subnet, $ip, $hostname, $oldhostname, $mac, $description);
 142 }
 143
 144 sub del_cidr {
 145     my ($vnetid, $cidr, $hostname) = @_;
 146
 147     my ($zone, $subnetid, $subnet, $ip) = PVE::Network::SDN::Vnets::get_subnet_from_vnet_cidr($vnetid, $cidr);
 148     PVE::Network::SDN::Subnets::del_ip($zone, $subnetid, $subnet, $ip, $hostname);
 149 }
 150
 151
 152
 153 1;