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openvz: always generate host_mac and host_ifname

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Network does not work without.
This commit is contained in:
Dietmar Maurer 2011-10-24 08:37:22 +02:00
parent 3736f16ba4
commit c205545329
1 changed files with 29 additions and 4 deletions
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33
PVE/OpenVZ.pm
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@ -445,20 +445,38 @@ sub read_global_vz_config {
};
sub parse_netif {
my ($data) = @_;
my ($data, $vmid) = @_;
my $res = {};
return $res if !$data;
my $host_ifnames = {};
my $find_next_hostif_name = sub {
for (my $i = 0; $i < 100; $i++) {
my $name = "veth${vmid}.$i";
if (!$host_ifnames->{$name}) {
$host_ifnames->{$name} = 1;
return $name;
}
}
die "unable to find free host_ifname"; # should not happen
};
foreach my $iface (split (/;/, $data)) {
my $d = {};
foreach my $pv (split (/,/, $iface)) {
if ($pv =~ m/^(ifname|mac|bridge|host_ifname|host_mac)=(.+)$/) {
$d->{$1} = $2;
if ($1 eq 'host_ifname') {
$host_ifnames->{$2} = $1;
}
}
}
if ($d->{ifname}) {
$d->{mac} = PVE::Tools::random_ether_addr() if !$d->{mac};
$d->{host_mac} = PVE::Tools::random_ether_addr() if !$d->{host_mac};
$d->{raw} = print_netif($d);
$res->{$d->{ifname}} = $d;
} else {
@ -466,6 +484,13 @@ sub parse_netif {
}
}
foreach my $iface (keys %$res) {
my $d = $res->{$iface};
if ($vmid && !$d->{host_ifname}) {
$d->{host_ifname} = &$find_next_hostif_name($iface);
}
}
return $res;
}
@ -817,7 +842,7 @@ sub create_config_line {
}
sub update_ovz_config {
my ($veconf, $param) = @_;
my ($vmid, $veconf, $param) = @_;
my $changes = [];
@ -993,9 +1018,9 @@ sub update_ovz_config {
if (defined($param->{netif})) {
my $ifaces = {};
if (defined ($veconf->{netif}) && $veconf->{netif}->{value}) {
$ifaces = parse_netif($veconf->{netif}->{value});
$ifaces = parse_netif($veconf->{netif}->{value}, $vmid);
}
my $newif = parse_netif($param->{netif});
my $newif = parse_netif($param->{netif}, $vmid);
foreach my $ifname (sort keys %$ifaces) {
if (!$newif->{$ifname}) {