test/etc_network_interfaces/t.ovs_bridge_allow.pl

   1 use strict;
   2
   3 my $ip = '192.168.0.100/24';
   4 my $gw = '192.168.0.1';
   5
   6 # replace proc_net_dev with one with a bunch of interfaces
   7 save('proc_net_dev', <<'/proc/net/dev');
   8 eth0:
   9 eth1:
  10 eth2:
  11 eth3:
  12 /proc/net/dev
  13
  14 r('');
  15
  16 new_iface('vmbr0', 'OVSBridge',
  17     [ { family => 'inet',
  18         address => $ip,
  19         gateway => $gw } ],
  20     autostart => 1);
  21
  22 update_iface('eth0', [], autostart => 1);
  23 update_iface('eth1', [], autostart => 1);
  24 update_iface('eth2', [], autostart => 1);
  25 #update_iface('eth3', [], autostart => 1);
  26
  27 # Check the bridge and eth interfaces
  28 expect load('loopback') . <<"/etc/network/interfaces";
  29 auto eth0
  30 iface eth0 inet manual
  31
  32 auto eth1
  33 iface eth1 inet manual
  34
  35 auto eth2
  36 iface eth2 inet manual
  37
  38 iface eth3 inet manual
  39
  40 auto vmbr0
  41 iface vmbr0 inet static
  42         address $ip
  43         gateway $gw
  44         ovs_type OVSBridge
  45
  46 /etc/network/interfaces
  47
  48 # Adding an interface to the bridge needs to add allow- lines and remove
  49 # its autostart property.
  50 update_iface('vmbr0', [], ovs_ports => 'eth1 eth2');
  51 expect load('loopback') . <<"/etc/network/interfaces";
  52 auto eth0
  53 iface eth0 inet manual
  54
  55 auto eth1
  56 iface eth1 inet manual
  57         ovs_type OVSPort
  58         ovs_bridge vmbr0
  59
  60 auto eth2
  61 iface eth2 inet manual
  62         ovs_type OVSPort
  63         ovs_bridge vmbr0
  64
  65 iface eth3 inet manual
  66
  67 auto vmbr0
  68 iface vmbr0 inet static
  69         address $ip
  70         gateway $gw
  71         ovs_type OVSBridge
  72         ovs_ports eth1 eth2
  73
  74 /etc/network/interfaces
  75
  76 # Idempotency - make sure "allow-$BRIDGE $IFACE" don't get duplicated
  77 # they're stripped from $config->{options} at load-time since they're
  78 # auto-generated when writing OVSPorts.
  79 save('idem', w());
  80 r(load('idem'));
  81 expect load('idem');
  82
  83 # Removing an ovs_port also has to remove the corresponding allow- line!
  84 # Also remember that adding interfaces to the ovs bridge removed their
  85 # autostart property, so eth2 is now without an autostart!
  86 update_iface('vmbr0', [], ovs_ports => 'eth1');
  87 # eth2 is now autoremoved and thus loses its priority, so it appears after eth3
  88 expect load('loopback') . <<"/etc/network/interfaces";
  89 auto eth0
  90 iface eth0 inet manual
  91
  92 auto eth1
  93 iface eth1 inet manual
  94         ovs_type OVSPort
  95         ovs_bridge vmbr0
  96
  97 iface eth3 inet manual
  98
  99 iface eth2 inet manual
 100
 101 auto vmbr0
 102 iface vmbr0 inet static
 103         address $ip
 104         gateway $gw
 105         ovs_type OVSBridge
 106         ovs_ports eth1
 107
 108 /etc/network/interfaces
 109
 110 1;