net-snmp: monitor ifindex changes

When an ifindex for an interface changes, some monitoring tools can no
longer find the interface and send alerts. Monitor all network
interfaces via the procd netdev parameter, so that
/etc/init.d/snmpd reload will restart snmpd if any ifindex changed.

Signed-off-by: Stijn Tintel <redacted>

diff --git a/net/net-snmp/files/snmpd.init b/net/net-snmp/files/snmpd.init
index a261447668178dc1a3246ad7eb102b1600e6e942..3dd8c41dc2f836a7312c8f3de09077c6c3386c76 100644 (file)
--- a/net/net-snmp/files/snmpd.init
+++ b/net/net-snmp/files/snmpd.init
@@ -159,6 +159,10 @@ start_service() {
        procd_set_param file $CONFIGFILE
        procd_set_param respawn
 
+       for iface in $(ls /sys/class/net 2>/dev/null); do
+               procd_append_param netdev "$iface"
+       done
+
        procd_close_instance
 }