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',
  21         netmask => '24',
  22         cidr => '192.168.1.2/24',
  23         gateway => '192.168.1.1',
  24         address6 => 'fc05::1:1',
  25         netmask6 => '112',
  26         cidr6 => 'fc05::1:1/112',
  27     },
  28     vmbr1 => {
  29         address => '10.0.0.5',
  30         netmask => '24',
  31         cidr => '10.0.0.5/24',
  32     },
  33 );
  34
  35 save('interfaces', <<"/etc/network/interfaces");
  36 auto lo
  37 iface lo inet loopback
  38
  39 source-directory interfaces.d
  40
  41 iface eth0 inet manual
  42
  43 allow-vmbr1 eth100
  44 iface eth100 inet manual
  45         ovs_type OVSPort
  46         ovs_bridge vmbr1
  47
  48 auto vmbr0
  49 iface vmbr0 inet static
  50         address  192.168.1.2
  51         netmask  24
  52         gateway  $wanted{vmbr0}->{gateway}
  53         bridge_ports eth0
  54         bridge_stp off
  55         bridge_fd 0
  56
  57 iface vmbr0 inet6 static
  58         address  fc05::1:1
  59         netmask  112
  60
  61 source-directory before-ovs.d
  62
  63 allow-ovs vmbr1
  64 iface vmbr1 inet static
  65         address  10.0.0.5
  66         netmask  255.255.255.0
  67         ovs_type OVSBridge
  68         ovs_ports eth100
  69
  70 source after-ovs
  71
  72 /etc/network/interfaces
  73
  74 r(load('interfaces'));
  75 save('2', w());
  76
  77 my $ifaces = $config->{ifaces};
  78
  79 # check defined interfaces
  80 defined($ifaces->{"eth$_"})
  81     or die "missing interface: eth$_\n" foreach (0, 1, 2, 3, 100);
  82
  83 # check configuration
  84 foreach my $ifname (keys %wanted) {
  85     my $if = $wanted{$ifname};
  86     $ifaces->{$ifname}->{$_} eq $if->{$_}
  87         or die "unexpected $_ for interface $ifname: \""
  88              . $ifaces->{$ifname}->{$_}
  89              . "\", expected: \"$if->{$_}\"\n"
  90         foreach (keys %$if);
  91 }
  92
  93 my $ck = sub {
  94     my ($i, $v, $e) = @_;
  95     $ifaces->{$i}->{$v} eq $e
  96         or die "$i variable $v: got \"$ifaces->{$i}->{$v}\", expected: $e\n";
  97 };
  98 $ck->('vmbr0', type => 'bridge');
  99 $ck->('vmbr1', type => 'OVSBridge');
 100 $ck->('vmbr1', ovs_type => 'OVSBridge');
 101 $ck->('vmbr1', ovs_ports => 'eth100');
 102 $ck->("eth$_", type => 'eth') foreach (0, 1, 2, 3);
 103 $ck->('eth100', type => 'OVSPort');
 104 $ck->('eth100', ovs_type => 'OVSPort');
 105 $ck->('eth100', ovs_bridge => 'vmbr1');
 106
 107 my @f100 = sort @{$ifaces->{vmbr0}->{families}};
 108
 109 die "invalid families defined for vmbr0"
 110     if (scalar(@f100) != 2) || ($f100[0] ne 'inet') || ($f100[1] ne 'inet6');
 111
 112 # idempotency
 113 r(w());
 114 expect load('2');
 115
 116 1;