allow using first or last available address as gateway

files/bridge-post-scripts/post-up.sh.j2

@@ -25,6 +25,13 @@ handle_gateway() {
   GATEWAY_ADDRESS=$2
   GATEWAY_MAC=$3
   GATEWAY_NEXT_HOP_MARK=$[$GATEWAY_ID + 1100]
+  BRIDGE_IP=$(ip -4 addr show dev "$BRIDGE_NAME" | grep 'inet ' | awk '{print $2}')
+  if [[ "$GATEWAY_ADDRESS" -eq "_use_first" ]]; then
+    GATEWAY_ADDRESS=$(subnetcalc "$BRIDGE_IP" -n | grep "Host Range" | awk '{print $5}')
+  fi
+  if [[ "$GATEWAY_ADDRESS" -eq "_use_last" ]]; then
+    GATEWAY_ADDRESS=$(subnetcalc "$BRIDGE_IP" -n | grep "Host Range" | awk '{print $7}')
+  fi
   ip route add default via "$GATEWAY_ADDRESS" table "$GATEWAY_NEXT_HOP_MARK"
   ip route add default via "$GATEWAY_ADDRESS" metric "$GATEWAY_NEXT_HOP_MARK"
   ip rule add pref 100 fwmark "$GATEWAY_NEXT_HOP_MARK" lookup "$GATEWAY_NEXT_HOP_MARK"

files/services/docker-compose.yml.j2

@@ -24,14 +24,3 @@ services:
       RRTYPE: A
 {% endif %}
 {% endfor %}
-{% for instance in services.tr069 %}
-  tr069-daemon-{{instance.interface}}:
-    restart: always
-    image: git-registry.mycard.moe/nanahira/tr069-daemon
-    network_mode: host
-    cap_add:
-      - NET_ADMIN
-    environment:
-      TRO69_INTERFACE: {{instance.interface}}
-      TABLE: {{instance.table}}
-{% endfor %}

install.yaml

@@ -10,7 +10,7 @@
     tasks:
       - name: apt
         apt:
-          name: net-tools,bridge-utils,ifenslave,vlan,pppoe,iproute2,iptables,ipset
+          name: net-tools,bridge-utils,ifenslave,vlan,pppoe,iproute2,iptables,ipset,subnetcalc
           update_cache: true
       - name: Ubuntu things
         apt:

variables.yaml

@@ -75,9 +75,6 @@ vars:
       - 114.114.114.114
       - 223.5.5.5
   services:
-    tr069:
-      - interface: brtr069 # tr069 网卡名
-        table: 305 # tr069 路由表id
     ddns:
       - name: test-ddns
         email: name@example.com # cf邮箱