test/etc_network_interfaces/t.list-interfaces.pl

   1 # Assuming eth0..3 and eth100
   2 # eth0 is part of vmbr0, eth100 is part of the OVS bridge vmbr1
   3 # vmbr0 has ipv4 and ipv6, OVS only ipv4
   4 #
   5 # eth1..3 are completely un-configured as if the cards had just been physically
   6 # plugged in.
   7 # The expected behavior is to notice their existance and treat them as manually
   8 # configured interfaces.
   9 # Saving the file after reading would add the corresponding 'manual' lines.
  10 save('proc_net_dev', <<'/proc/net/dev');
  11 eth0:
  12 eth1:
  13 eth2:
  14 eth3:
  15 eth100:
  16 /proc/net/dev
  17
  18 my %wanted = (
  19     vmbr0 => {
  20         address => '192.168.1.2/24',
  21         gateway => '192.168.1.1',
  22         address6 => 'fc05::1:1/112',
  23     },
  24     vmbr1 => {
  25         address => '10.0.0.5/24',
  26     },
  27 );
  28
  29 save('interfaces', <<"/etc/network/interfaces");
  30 auto lo
  31 iface lo inet loopback
  32
  33 source-directory interfaces.d
  34
  35 iface eth0 inet manual
  36
  37 allow-vmbr1 eth100
  38 iface eth100 inet manual
  39         ovs_type OVSPort
  40         ovs_bridge vmbr1
  41
  42 auto vmbr0
  43 iface vmbr0 inet static
  44         address  192.168.1.2
  45         netmask  24
  46         gateway  $wanted{vmbr0}->{gateway}
  47         bridge_ports eth0
  48         bridge_stp off
  49         bridge_fd 0
  50
  51 iface vmbr0 inet6 static
  52         address  fc05::1:1
  53         netmask  112
  54
  55 source-directory before-ovs.d
  56
  57 allow-ovs vmbr1
  58 iface vmbr1 inet static
  59         address  10.0.0.5
  60         netmask  255.255.255.0
  61         ovs_type OVSBridge
  62         ovs_ports eth100
  63
  64 source after-ovs
  65
  66 /etc/network/interfaces
  67
  68 r(load('interfaces'));
  69 save('2', w());
  70
  71 my $ifaces = $config->{ifaces};
  72
  73 # check defined interfaces
  74 defined($ifaces->{"eth$_"})
  75     or die "missing interface: eth$_\n" foreach (0, 1, 2, 3, 100);
  76
  77 # check configuration
  78 foreach my $ifname (keys %wanted) {
  79     my $if = $wanted{$ifname};
  80     $ifaces->{$ifname}->{$_} eq $if->{$_}
  81         or die "unexpected $_ for interface $ifname: \""
  82              . $ifaces->{$ifname}->{$_}
  83              . "\", expected: \"$if->{$_}\"\n"
  84         foreach (keys %$if);
  85 }
  86
  87 my $ck = sub {
  88     my ($i, $v, $e) = @_;
  89     $ifaces->{$i}->{$v} eq $e
  90         or die "$i variable $v: got \"$ifaces->{$i}->{$v}\", expected: $e\n";
  91 };
  92 $ck->('vmbr0', type => 'bridge');
  93 $ck->('vmbr1', type => 'OVSBridge');
  94 $ck->('vmbr1', ovs_type => 'OVSBridge');
  95 $ck->('vmbr1', ovs_ports => 'eth100');
  96 $ck->("eth$_", type => 'eth') foreach (0, 1, 2, 3);
  97 $ck->('eth100', type => 'OVSPort');
  98 $ck->('eth100', ovs_type => 'OVSPort');
  99 $ck->('eth100', ovs_bridge => 'vmbr1');
 100
 101 my @f100 = sort @{$ifaces->{vmbr0}->{families}};
 102
 103 die "invalid families defined for vmbr0"
 104     if (scalar(@f100) != 2) || ($f100[0] ne 'inet') || ($f100[1] ne 'inet6');
 105
 106 # idempotency
 107 r(w());
 108 expect load('2');
 109
 110 1;