Work around weird lldpd behaviour. Write config files instead of using lldpcli.

docker/ovs-snmp/Dockerfile

@@ -3,11 +3,10 @@ RUN apk add --no-cache nano openvswitch tcpdump net-snmp lldpd
 RUN mkdir -p /run/openvswitch && mkdir -p /var/log/openvswitch
 COPY snmpd.conf /etc/snmp/snmpd.conf
 COPY lldpd.conf /etc/lldpd.d/lldpd.conf
-COPY boot.sh /bin/boot.sh
-RUN chmod a+x /bin/boot.sh
-
 COPY rstp /bin/rstp
 RUN chmod a+x /bin/rstp
+COPY boot.sh /bin/boot.sh
+RUN chmod a+x /bin/boot.sh
 
 VOLUME /etc/openvswitch/
 VOLUME /etc/lldpd.d/

docker/ovs-snmp/boot.sh

@@ -68,17 +68,27 @@ done
 
 /sbin/udhcpc -R --timeout=1 --tryagain=1 -b -p /var/run/udhcpc.$MGMT_IF.pid -i $MGMT_IF
 
-[ "$LLDP" == "1" ] && /usr/sbin/lldpd -x
-[ "$SNMP" == "1" ] && /usr/sbin/snmpd
 
 if [ -n "$LLDP_CHASSIS_ID" ]; then
-    lldpcli configure system chassisid $LLDP_CHASSIS_ID
+    echo "Setting LLDP chassis ID to '$LLDP_CHASSIS_ID' "
+    echo "configure system chassisid $LLDP_CHASSIS_ID" > /etc/lldpd.d/90_chassis-id.conf
+else
+    echo "" > /etc/lldpd.d/90_chassis-id.conf
 fi
 
 if [ "$LLDP_PID_TYPE" == "ifname" ]; then
-    lldpcli configure lldp portidsubtype ifname
+    echo "Setting LLDP port ID type to '$LLDP_PID_TYPE' "
+    echo "configure lldp portidsubtype ifname" > /etc/lldpd.d/90_portidsubtype.conf
 elif [ "$LLDP_PID_TYPE" == "mac" ]; then
-    lldpcli configure lldp portidsubtype macaddress
+    echo "Setting LLDP port ID type to '$LLDP_PID_TYPE' "
+    echo "configure lldp portidsubtype macaddress" > /etc/lldpd.d/90_portidsubtype.conf
+else
+    echo "" > /etc/lldpd.d/90_portidsubtype.conf
+fi
+
+[ "$SNMP" == "1" ] && /usr/sbin/snmpd
+if [ "$LLDP" == "1" ]; then
+    /usr/sbin/lldpd -x
 fi
 
 /bin/sh

docker/ovs-snmp/lldpd.conf

@@ -1,5 +1,7 @@
 #
-# lldpd configuration examples
+# GNS3 lldpd configuration examples
+# Some items can be configured from env variables (e.g TLV 1 and 2)
+# see /bin/boot.sh 
 #
 
 ## timers