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 => { address => '192.168.1.2/24',
  20                gateway => '192.168.1.1',
  21                address6 => 'fc05::1:1/112'},
  22     vmbr1 => { address => '10.0.0.5/24'}
  23 );
  24
  25 save('interfaces', <<"/etc/network/interfaces");
  26 auto lo
  27 iface lo inet loopback
  28
  29 source-directory interfaces.d
  30
  31 iface eth0 inet manual
  32
  33 allow-vmbr1 eth100
  34 iface eth100 inet manual
  35         ovs_type OVSPort
  36         ovs_bridge vmbr1
  37
  38 auto vmbr0
  39 iface vmbr0 inet static
  40         address  192.168.1.2
  41         netmask  24
  42         gateway  $wanted{vmbr0}->{gateway}
  43         bridge_ports eth0
  44         bridge_stp off
  45         bridge_fd 0
  46
  47 iface vmbr0 inet6 static
  48         address  fc05::1:1
  49         netmask  112
  50
  51 source-directory before-ovs.d
  52
  53 allow-ovs vmbr1
  54 iface vmbr1 inet static
  55         address  10.0.0.5
  56         netmask  255.255.255.0
  57         ovs_type OVSBridge
  58         ovs_ports eth100
  59
  60 source after-ovs
  61
  62 /etc/network/interfaces
  63
  64 r(load('interfaces'));
  65 save('2', w());
  66
  67 my $ifaces = $config->{ifaces};
  68
  69 # check defined interfaces
  70 defined($ifaces->{"eth$_"})
  71     or die "missing interface: eth$_\n" foreach (0, 1, 2, 3, 100);
  72
  73 # check configuration
  74 foreach my $ifname (keys %wanted) {
  75     my $if = $wanted{$ifname};
  76     $ifaces->{$ifname}->{$_} eq $if->{$_}
  77         or die "unexpected $_ for interface $ifname: \""
  78              . $ifaces->{$ifname}->{$_}
  79              . "\", expected: \"$if->{$_}\"\n"
  80         foreach (keys %$if);
  81 }
  82
  83 my $ck = sub {
  84     my ($i, $v, $e) = @_;
  85     $ifaces->{$i}->{$v} eq $e
  86         or die "$i variable $v: got \"$ifaces->{$i}->{$v}\", expected: $e\n";
  87 };
  88 $ck->('vmbr0', type => 'bridge');
  89 $ck->('vmbr1', type => 'OVSBridge');
  90 $ck->('vmbr1', ovs_type => 'OVSBridge');
  91 $ck->('vmbr1', ovs_ports => 'eth100');
  92 $ck->("eth$_", type => 'eth') foreach (0, 1, 2, 3);
  93 $ck->('eth100', type => 'OVSPort');
  94 $ck->('eth100', ovs_type => 'OVSPort');
  95 $ck->('eth100', ovs_bridge => 'vmbr1');
  96
  97 my @f100 = sort @{$ifaces->{vmbr0}->{families}};
  98
  99 die "invalid families defined for vmbr0"
 100     if (scalar(@f100) != 2) || ($f100[0] ne 'inet') || ($f100[1] ne 'inet6');
 101
 102 # idempotency
 103 r(w());
 104 expect load('2');
 105
 106 1;