Similar to other interface types, we can detect a bridge by the
presence of its bridge_ports attribute, rather than solely relying on
the "vmbr" ifname prefix heuristic. For OVS bridges we need to examine
the OVS type instead.
The check needs to be moved up since other prefixes could
theoretically be included in a bridge name and then would otherwise
get picked up wrongly.
Also added a warning for interfaces named vmbrX that are not bridges
to catch possible misconfigurations.
Originally-by: Jillian Morgan <jillian.mor...@primordial.ca>
Signed-off-by: Stefan Hanreich <s.hanre...@proxmox.com>
---
Warning in the read function is a bit awkward, since for one
interfaces multiple warnings are generated - due to multiple calls to
the read function during the apply process. I think it's ok though due
to this being a relatively fringe warning which hopefully shouldn't
come up too often...
src/PVE/INotify.pm | 28 +++++++++++++++-------------
1 file changed, 15 insertions(+), 13 deletions(-)
diff --git a/src/PVE/INotify.pm b/src/PVE/INotify.pm
index bc33a8f..13724f7 100644
--- a/src/PVE/INotify.pm
+++ b/src/PVE/INotify.pm
@@ -22,6 +22,7 @@ use PVE::Network;
use PVE::ProcFSTools;
use PVE::SafeSyslog;
use PVE::Tools;
+use PVE::RESTEnvironment qw(log_warn);
use base 'Exporter';
@@ -1033,7 +1034,17 @@ sub __read_etc_network_interfaces {
foreach my $iface (keys %$ifaces) {
my $d = $ifaces->{$iface};
$d->{type} = 'unknown';
- if ($iface =~ m/^bond\d+$/) {
+ if (defined $d->{'bridge_ports'}) {
+ $d->{type} = 'bridge';
+ if (!defined ($d->{bridge_stp})) {
+ $d->{bridge_stp} = 'off';
+ }
+ if (!defined($d->{bridge_fd}) && $d->{bridge_stp} eq 'off') {
+ $d->{bridge_fd} = 0;
+ }
+ } elsif ($d->{ovs_type} && $d->{ovs_type} eq 'OVSBridge') {
+ $d->{type} = $d->{ovs_type};
+ } elsif ($iface =~ m/^bond\d+$/) {
if (!$d->{ovs_type}) {
$d->{type} = 'bond';
} elsif ($d->{ovs_type} eq 'OVSBond') {
@@ -1053,18 +1064,6 @@ sub __read_etc_network_interfaces {
my $tag = &$extract_ovs_option($d, 'tag');
$d->{ovs_tag} = $tag if defined($tag);
}
- } elsif ($iface =~ m/^vmbr\d+$/) {
- if (!$d->{ovs_type}) {
- $d->{type} = 'bridge';
- if (!defined ($d->{bridge_stp})) {
- $d->{bridge_stp} = 'off';
- }
- if (!defined($d->{bridge_fd}) && $d->{bridge_stp} eq 'off') {
- $d->{bridge_fd} = 0;
- }
- } elsif ($d->{ovs_type} eq 'OVSBridge') {
- $d->{type} = $d->{ovs_type};
- }
} elsif ($iface =~ m/^(\S+):\d+$/) {
$d->{type} = 'alias';
if (defined ($ifaces->{$1})) {
@@ -1116,6 +1115,9 @@ sub __read_etc_network_interfaces {
}
}
+ log_warn("detected a interface $iface that is not a bridge!")
+ if !($d->{type} eq 'OVSBridge' || $d->{type} eq 'bridge') && $iface
=~ m/^vmbr\d+$/;
+
# map address and netmask to cidr
if (my $addr = $d->{address}) {
if (_address_is_cidr($addr)) {
--
2.39.2
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