Single interface mode updated to same version as for 8 interfaces

scripts/entrypoint.sh

@@ -1,8 +1,7 @@
 #!/usr/bin/env bash
 
-# A bridge of this name will be created to host the TAP interface created for
-# the VM
-QEMU_BRIDGE='qemubr0'
+QEMU_BRIDGE_ETH1='qemubr1'
+default_dev1='eth0'
 
 # DHCPD must have an IP address to run, but that address doesn't have to
 # be valid. This is the dummy address dhcpd is configured to use.
@@ -15,31 +14,25 @@ QEMU_IFDOWN='/routeros/qemu-ifdown'
 # The name of the dhcpd config file we make
 DHCPD_CONF_FILE='/routeros/dhcpd.conf'
 
-function default_intf() {
-    ip -json route show | jq -r '.[] | select(.dst == "default") | .dev'
-}
-
 # First step, we run the things that need to happen before we start mucking
 # with the interfaces. We start by generating the DHCPD config file based
 # on our current address/routes. We "steal" the container's IP, and lease
 # it to the VM once it starts up.
-/routeros/generate-dhcpd-conf.py $QEMU_BRIDGE > $DHCPD_CONF_FILE
-default_dev=`default_intf`
+/routeros/generate-dhcpd-conf.py $QEMU_BRIDGE_ETH1 >$DHCPD_CONF_FILE
 
-# Now we start modifying the networking configuration. First we clear out
-# the IP address of the default device (will also have the side-effect of
-# removing the default route)
-ip addr flush dev $default_dev
-
-# Next, we create our bridge, and add our container interface to it.
-ip link add $QEMU_BRIDGE type bridge
-ip link set dev $default_dev master $QEMU_BRIDGE
-
-# Then, we toggle the interface and the bridge to make sure everything is up
-# and running.
-ip link set dev $default_dev up
-ip link set dev $QEMU_BRIDGE up
+function prepare_intf() {
+   #First we clear out the IP address and route
+   ip addr flush dev $1
+   # Next, we create our bridge, and add our container interface to it.
+   ip link add $2 type bridge
+   ip link set dev $1 master $2
+   # Then, we toggle the interface and the bridge to make sure everything is up
+   # and running.
+   ip link set dev $1 up
+   ip link set dev $2 up
+}
 
+prepare_intf $default_dev1 $QEMU_BRIDGE_ETH1
 # Finally, start our DHCPD server
 udhcpd -I $DUMMY_DHCPD_IP -f $DHCPD_CONF_FILE &
 
@@ -49,11 +42,12 @@ udhcpd -I $DUMMY_DHCPD_IP -f $DHCPD_CONF_FILE &
 # -serial mon:stdio: use "monitored stdio" as our serial output.
 # -nic: Use a TAP interface with our custom up/down scripts.
 # -drive: The VM image we're booting.
+# mac: Set up your own interfaces mac addresses here, cause from winbox you can not change these later.
 exec qemu-system-x86_64 \
-    -nographic -serial mon:stdio \
-    -vnc 0.0.0.0:0 \
-    -m 512 \
-    -smp 4,sockets=1,cores=4,threads=1 \
-    -nic tap,id=qemu0,script=$QEMU_IFUP,downscript=$QEMU_IFDOWN \
-    "$@" \
-    -hda $ROUTEROS_IMAGE
+   -nographic -serial mon:stdio \
+   -vnc 0.0.0.0:0 \
+   -m 512 \
+   -smp 4,sockets=1,cores=4,threads=1 \
+   -nic tap,id=qemu1,mac=54:05:AB:CD:12:31,script=$QEMU_IFUP,downscript=$QEMU_IFDOWN \
+   "$@" \
+   -hda $ROUTEROS_IMAGE