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add print_netdevice_full, print_netdev_full subs

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and change code to use it

Signed-off-by: Derumier Alexandre <aderumier@odiso.com>
This commit is contained in:
Derumier Alexandre 2012-01-28 11:02:28 +01:00 committed by Dietmar Maurer
parent 3a1e36bb5a
commit cc4d61824c
1 changed files with 58 additions and 40 deletions
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98
PVE/QemuServer.pm
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@ -944,6 +944,52 @@ sub print_drive_full {
return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
}
sub print_netdevice_full {
my ($vmid, $conf, $net, $netid) = @_;
my $bootorder = $conf->{boot} || $confdesc->{boot}->{default};
my $device = $net->{model};
if ($net->{model} eq 'virtio') {
$device = 'virtio-net-pci';
};
# qemu > 0.15 always try to boot from network - we disable that by
# not loading the pxe rom file
my $extra = ($bootorder !~ m/n/) ? "romfile=," : '';
my $pciaddr = print_pci_addr("$netid");
my $tmpstr = "$device,${extra}mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
$tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex} ;
return $tmpstr;
}
sub print_netdev_full {
my ($vmid, $conf, $net, $netid) = @_;
my $i = '';
if ($netid =~ m/^net(\d+)$/) {
$i = int($1);
}
die "got strange net id '$i'\n" if $i >= ${MAX_NETS};
my $ifname = "tap${vmid}i$i";
# kvm uses TUNSETIFF ioctl, and that limits ifname length
die "interface name '$ifname' is too long (max 15 character)\n"
if length($ifname) >= 16;
my $vhostparam = '';
$vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model} eq 'virtio';
my $vmname = $conf->{name} || "vm$vmid";
if ($net->{bridge}) {
return "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/pve-bridge$vhostparam";
} else {
return "type=user,id=$netid,hostname=$vmname";
}
}
sub drive_is_cdrom {
my ($drive) = @_;
@ -2152,52 +2198,24 @@ sub config_to_command {
push @$cmd, '-m', $conf->{memory} || $defaults->{memory};
my $foundnet = 0;
for (my $i = 0; $i < $MAX_NETS; $i++) {
my $d = parse_net($conf->{"net$i"});
next if !$d;
foreach my $k (sort keys %$conf) {
next if $k !~ m/^net(\d+)$/;
my $i = int($1);
$use_virtio = 1 if $d->{model} eq 'virtio';
die "got strange net id '$i'\n" if $i >= ${MAX_NETS};
if ($bootindex_hash->{n}) {
$d->{bootindex} = $bootindex_hash->{n};
$bootindex_hash->{n} += 1;
}
if ($conf->{"net$i"} && (my $net = parse_net($conf->{"net$i"}))) {
my $netdevfull = print_netdev_full($vmid,$conf,$d,"net$i");
push @$cmd, '-netdev', $netdevfull;
$foundnet = 1;
my $ifname = "tap${vmid}i$i";
# kvm uses TUNSETIFF ioctl, and that limits ifname length
die "interface name '$ifname' is too long (max 15 character)\n"
if length($ifname) >= 16;
my $device = $net->{model};
my $vhostparam = '';
if ($net->{model} eq 'virtio') {
$use_virtio = 1;
$device = 'virtio-net-pci';
$vhostparam = ',vhost=on' if $kernel_has_vhost_net;
};
if ($net->{bridge}) {
push @$cmd, '-netdev', "type=tap,id=${k},ifname=${ifname},script=/var/lib/qemu-server/pve-bridge$vhostparam";
} else {
push @$cmd, '-netdev', "type=user,id=${k},hostname=$vmname";
}
# qemu > 0.15 always try to boot from network - we disable that by
# not loading the pxe rom file
my $extra = ($bootorder !~ m/n/) ? "romfile=," : '';
$pciaddr = print_pci_addr("${k}");
my $tmpstr = "$device,${extra}mac=$net->{macaddr},netdev=${k}$pciaddr";
if (my $bootindex = $bootindex_hash->{n}) {
$tmpstr .= ",bootindex=$bootindex";
$bootindex_hash->{n} += 1;
}
push @$cmd, '-device', $tmpstr;
}
my $netdevicefull = print_netdevice_full($vmid,$conf,$d,"net$i");
push @$cmd, '-device', $netdevicefull;
}
push @$cmd, '-net', 'none' if !$foundnet;
# hack: virtio with fairsched is unreliable, so we do not use fairsched
# when the VM uses virtio devices.