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network_interfaces: use allow-ovs for OVSBridge

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new openvswitch-switch service use "ifup --allow-ovs",
and this race with "auto ..." used by networking service

bug reported here:
https://forum.proxmox.com/threads/so-is-openvswitch-bonding-just-broken-on-pve-6-whats-going-on.58020/

This is also fixing ovs with ifupdown2

Openvswitch github have a note about this:
e0dfd67b45 (diff-555e6da95251766b76e83867900bd8fe)

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
This commit is contained in:
Alexandre Derumier 2019-09-20 08:45:05 +02:00 committed by Thomas Lamprecht
parent 9bbc4e174c
commit 4ac94c72a2
3 changed files with 15 additions and 13 deletions
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20
src/PVE/INotify.pm
View File

@ -1142,7 +1142,9 @@ sub __read_etc_network_interfaces {
# from the {options} hash for them to be removed correctly.
@$options = grep {defined($_)} map {
my ($pri, $line) = @$_;
if ($line =~ /^allow-(\S+)\s+(.*)$/) {
if ($line =~ /^allow-ovs\s+(.*)$/) {
undef;
} elsif ($line =~ /^allow-(\S+)\s+(.*)$/) {
my $bridge = $1;
my @ports = split(/\s+/, $2);
if (defined(my $br = $ifaces->{$bridge})) {
@ -1254,6 +1256,7 @@ sub __interface_to_string {
$done->{ovs_type} = 1;
$raw .= "\tovs_ports $d->{ovs_ports}\n" if $d->{ovs_ports};
$done->{ovs_ports} = 1;
} elsif ($d->{type} eq 'OVSPort' || $d->{type} eq 'OVSIntPort' ||
$d->{type} eq 'OVSBond') {
@ -1293,12 +1296,7 @@ sub __interface_to_string {
if ($d->{ovs_bridge}) {
if ($ifupdown2) {
$raw = "auto $iface\n$raw";
} else {
$raw = "allow-$d->{ovs_bridge} $iface\n$raw";
}
$raw = "allow-$d->{ovs_bridge} $iface\n$raw";
$raw .= "\tovs_bridge $d->{ovs_bridge}\n";
$done->{ovs_bridge} = 1;
}
@ -1592,7 +1590,6 @@ NETWORKDOC
return $a cmp $b;
} keys %$ifaces) {
next if $printed->{$iface};
my $d = $ifaces->{$iface};
my $pri = $d->{priority} // 0;
if (@options && $options[0]->[0] < $pri) {
@ -1603,7 +1600,12 @@ NETWORKDOC
}
$printed->{$iface} = 1;
$raw .= "auto $iface\n" if $d->{autostart};
if ($d->{type} eq 'OVSBridge') {
$raw .= "allow-ovs $iface\n";
} elsif ($d->{autostart}) {
$raw .= "auto $iface\n" if $d->{autostart};
}
my $i = 0; # some options should be printed only once
$raw .= __interface_to_string($iface, $d, $_, !$i++, $ifupdown2) foreach @{$d->{families}};
}

2
test/etc_network_interfaces/t.list-interfaces.pl
View File

@ -53,7 +53,7 @@ iface vmbr0 inet6 static
source-directory before-ovs.d
auto vmbr1
allow-ovs vmbr1
iface vmbr1 inet static
address $wanted{vmbr1}->{address}
netmask $wanted{vmbr1}->{netmask}

6
test/etc_network_interfaces/t.ovs_bridge_allow.pl
View File

@ -39,7 +39,7 @@ iface eth2 inet manual
iface eth3 inet manual
auto vmbr0
allow-ovs vmbr0
iface vmbr0 inet static
address $ip
netmask $nm
@ -67,7 +67,7 @@ iface eth2 inet manual
iface eth3 inet manual
auto vmbr0
allow-ovs vmbr0
iface vmbr0 inet static
address $ip
netmask $nm
@ -102,7 +102,7 @@ iface eth3 inet manual
iface eth2 inet manual
auto vmbr0
allow-ovs vmbr0
iface vmbr0 inet static
address $ip
netmask $nm