[pve-devel] [PATCH pve-common 2/2] iproute2: add helper for querying vlan information

[Stefan Hanreich]

'-compressvlans' is used by default, because PVE configures VLAN
1-4094 by default on all ports on a VLAN-aware bridge and having one
entry per VLAN in this case is quite excessive.

Signed-off-by: Stefan Hanreich <s.hanreich at proxmox.com>
---
 src/PVE/IPRoute2.pm | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/PVE/IPRoute2.pm b/src/PVE/IPRoute2.pm
index 4e31376..fcacabf 100644
--- a/src/PVE/IPRoute2.pm
+++ b/src/PVE/IPRoute2.pm
@@ -55,4 +55,22 @@ sub altname_mapping($ip_links) {
     return $altnames;
 }
 
+sub get_vlan_information() {
+    my $bridge_output = '';
+
+    run_command(
+        [
+            'bridge', '-compressvlan', '-json', 'vlan', 'show',
+        ],
+        outfunc => sub {
+            $bridge_output .= shift;
+        },
+    );
+
+    my $data = decode_json($bridge_output);
+    my %vlan_information = map { $_->{ifname} => $_ } $data->@*;
+
+    return \%vlan_information;
+}
+
 1;
-- 
2.47.3