PVE/Network/SDN.pm

   1 package PVE::Network::SDN;
   2
   3 use strict;
   4 use warnings;
   5
   6 use Data::Dumper;
   7 use JSON;
   8
   9 use PVE::JSONSchema;
  10
  11 use PVE::Network::SDN::Vnets;
  12 use PVE::Network::SDN::Zones;
  13 use PVE::Network::SDN::Controllers;
  14 use PVE::Network::SDN::Subnets;
  15
  16 use PVE::Tools qw(extract_param dir_glob_regex run_command);
  17 use PVE::Cluster qw(cfs_read_file cfs_write_file cfs_lock_file);
  18
  19
  20 my $running_cfg = "sdn/.running-config";
  21
  22 my $parse_running_cfg = sub {
  23     my ($filename, $raw) = @_;
  24
  25     my $cfg = {};
  26
  27     return $cfg if !defined($raw) || $raw eq '';
  28
  29     eval {
  30         $cfg = from_json($raw);
  31     };
  32     return {} if $@;
  33
  34     return $cfg;
  35 };
  36
  37 my $write_running_cfg = sub {
  38     my ($filename, $cfg) = @_;
  39
  40     my $json = to_json($cfg);
  41
  42     return $json;
  43 };
  44
  45 PVE::Cluster::cfs_register_file($running_cfg, $parse_running_cfg, $write_running_cfg);
  46
  47
  48 # improve me : move status code inside plugins ?
  49
  50 sub ifquery_check {
  51
  52     my $cmd = ['ifquery', '-a', '-c', '-o','json'];
  53
  54     my $result = '';
  55     my $reader = sub { $result .= shift };
  56
  57     eval {
  58         run_command($cmd, outfunc => $reader);
  59     };
  60
  61     my $resultjson = decode_json($result);
  62     my $interfaces = {};
  63
  64     foreach my $interface (@$resultjson) {
  65         my $name = $interface->{name};
  66         $interfaces->{$name} = {
  67             status => $interface->{status},
  68             config => $interface->{config},
  69             config_status => $interface->{config_status},
  70         };
  71     }
  72
  73     return $interfaces;
  74 }
  75
  76 sub status {
  77
  78     my ($zone_status, $vnet_status) = PVE::Network::SDN::Zones::status();
  79     return($zone_status, $vnet_status);
  80 }
  81
  82 sub config {
  83     return cfs_read_file($running_cfg);
  84 }
  85
  86 sub pending_config {
  87     my ($running_cfg, $cfg, $type) = @_;
  88
  89     my $pending = {};
  90
  91     my $running_objects = $running_cfg->{$type}->{ids};
  92     my $config_objects = $cfg->{ids};
  93
  94     foreach my $id (sort keys %{$running_objects}) {
  95         my $running_object = $running_objects->{$id};
  96         my $config_object = $config_objects->{$id};
  97         foreach my $key (sort keys %{$running_object}) {
  98             $pending->{$id}->{$key} = $running_object->{$key};
  99             if(!keys %{$config_object}) {
 100                 $pending->{$id}->{state} = "deleted";
 101             } elsif (!defined($config_object->{$key})) {
 102                 $pending->{$id}->{"pending"}->{$key} = 'deleted';
 103                 $pending->{$id}->{state} = "changed";
 104             } elsif (PVE::Network::SDN::encode_value(undef, $key, $running_object->{$key})
 105                          ne PVE::Network::SDN::encode_value(undef, $key, $config_object->{$key})) {
 106                 $pending->{$id}->{state} = "changed";
 107             }
 108         }
 109     }
 110
 111    foreach my $id (sort keys %{$config_objects}) {
 112         my $running_object = $running_objects->{$id};
 113         my $config_object = $config_objects->{$id};
 114
 115         foreach my $key (sort keys %{$config_object}) {
 116             my $config_value = PVE::Network::SDN::encode_value(undef, $key, $config_object->{$key}) if $config_object->{$key};
 117             my $running_value = PVE::Network::SDN::encode_value(undef, $key, $running_object->{$key}) if $running_object->{$key};
 118             if($key eq 'type' || $key eq 'vnet') {
 119                 $pending->{$id}->{$key} = $config_value;
 120             } else {
 121                 $pending->{$id}->{"pending"}->{$key} = $config_value if !defined($running_value) || ($config_value ne $running_value);
 122             }
 123             if(!keys %{$running_object}) {
 124                 $pending->{$id}->{state} = "new";
 125             } elsif (!defined($running_value) && defined($config_value)) {
 126                 $pending->{$id}->{state} = "changed";
 127             }
 128         }
 129    }
 130
 131    return {ids => $pending};
 132
 133 }
 134
 135 sub commit_config {
 136
 137     my $cfg = cfs_read_file($running_cfg);
 138     my $version = $cfg->{version};
 139
 140     if ($version) {
 141         $version++;
 142     } else {
 143         $version = 1;
 144     }
 145
 146     my $vnets_cfg = PVE::Network::SDN::Vnets::config();
 147     my $zones_cfg = PVE::Network::SDN::Zones::config();
 148     my $controllers_cfg = PVE::Network::SDN::Controllers::config();
 149     my $subnets_cfg = PVE::Network::SDN::Subnets::config();
 150
 151     my $vnets = { ids => $vnets_cfg->{ids} };
 152     my $zones = { ids => $zones_cfg->{ids} };
 153     my $controllers = { ids => $controllers_cfg->{ids} };
 154     my $subnets = { ids => $subnets_cfg->{ids} };
 155
 156      $cfg = { version => $version, vnets => $vnets, zones => $zones, controllers => $controllers, subnets => $subnets };
 157
 158     cfs_write_file($running_cfg, $cfg);
 159 }
 160
 161 sub lock_sdn_config {
 162     my ($code, $errmsg) = @_;
 163
 164     cfs_lock_file($running_cfg, undef, $code);
 165
 166     if (my $err = $@) {
 167         $errmsg ? die "$errmsg: $err" : die $err;
 168     }
 169 }
 170
 171 sub get_local_vnets {
 172
 173     my $rpcenv = PVE::RPCEnvironment::get();
 174
 175     my $authuser = $rpcenv->get_user();
 176
 177     my $nodename = PVE::INotify::nodename();
 178
 179     my $cfg = PVE::Network::SDN::config();
 180     my $vnets_cfg = $cfg->{vnets};
 181     my $zones_cfg = $cfg->{zones};
 182
 183     my @vnetids = PVE::Network::SDN::Vnets::sdn_vnets_ids($vnets_cfg);
 184
 185     my $vnets = {};
 186
 187     foreach my $vnetid (@vnetids) {
 188
 189         my $vnet = PVE::Network::SDN::Vnets::sdn_vnets_config($vnets_cfg, $vnetid);
 190         my $zoneid = $vnet->{zone};
 191         my $comments = $vnet->{alias};
 192
 193         my $privs = [ 'SDN.Audit', 'SDN.Allocate' ];
 194
 195         next if !$zoneid;
 196         next if !$rpcenv->check_any($authuser, "/sdn/zones/$zoneid", $privs, 1);
 197
 198         my $zone_config = PVE::Network::SDN::Zones::sdn_zones_config($zones_cfg, $zoneid);
 199
 200         next if defined($zone_config->{nodes}) && !$zone_config->{nodes}->{$nodename};
 201         $vnets->{$vnetid} = { type => 'vnet', active => '1', comments => $comments };
 202     }
 203
 204     return $vnets;
 205 }
 206
 207 sub generate_zone_config {
 208     my $raw_config = PVE::Network::SDN::Zones::generate_etc_network_config();
 209     PVE::Network::SDN::Zones::write_etc_network_config($raw_config);
 210 }
 211
 212 sub generate_controller_config {
 213     my ($reload) = @_;
 214
 215     my $raw_config = PVE::Network::SDN::Controllers::generate_controller_config();
 216     PVE::Network::SDN::Controllers::write_controller_config($raw_config);
 217
 218     PVE::Network::SDN::Controllers::reload_controller() if $reload;
 219 }
 220
 221
 222 sub decode_value {
 223     my ($type, $key, $value) = @_;
 224
 225     if ($key eq 'nodes') {
 226         my $res = {};
 227
 228         foreach my $node (PVE::Tools::split_list($value)) {
 229             if (PVE::JSONSchema::pve_verify_node_name($node)) {
 230                 $res->{$node} = 1;
 231             }
 232         }
 233
 234         return $res;
 235     }
 236
 237    return $value;
 238 }
 239
 240 sub encode_value {
 241     my ($type, $key, $value) = @_;
 242
 243     if ($key eq 'nodes' || $key eq 'exitnodes') {
 244         if(ref($value) eq 'HASH') {
 245             return join(',', sort keys(%$value));
 246         } else {
 247             return $value;
 248         }
 249     }
 250
 251     return $value;
 252 }
 253
 254 1;
 255