add preup support

files/interfaces.j2

@@ -85,8 +85,13 @@ metric {{ 1100 + br.gateways[0].id }}
 metric 9999
 {% endif %}
 {% endif %}
+pre-up {{ansible_user_dir}}/nextgen-router/scripts/{{br.name}}/pre-up.sh
 post-up {{ansible_user_dir}}/nextgen-router/scripts/{{br.name}}/post-up.sh
 pre-down {{ansible_user_dir}}/nextgen-router/scripts/{{br.name}}/pre-down.sh
+post-down {{ansible_user_dir}}/nextgen-router/scripts/{{br.name}}/post-down.sh
+{% if br.mtu is defined and br.mtu %}
+mtu {{br.mtu}}
+{% endif %}
 
 {% endfor %}
 

interface-tasks/bridge.yaml

@@ -2,6 +2,11 @@
   file:
     path: '{{ansible_user_dir}}/nextgen-router/scripts/{{br.name}}'
     state: directory
+- name: pre-up script
+  template:
+    src: ./files/bridge-post-scripts/pre-up.sh.j2
+    dest: '{{ansible_user_dir}}/nextgen-router/scripts/{{br.name}}/pre-up.sh'
+    mode: 0755
 - name: post-up script
   template:
     src: ./files/bridge-post-scripts/post-up.sh.j2
@@ -12,3 +17,8 @@
     src: ./files/bridge-post-scripts/pre-down.sh.j2
     dest: '{{ansible_user_dir}}/nextgen-router/scripts/{{br.name}}/pre-down.sh'
     mode: 0755
+- name: pre-down script
+  template:
+    src: ./files/bridge-post-scripts/post-down.sh.j2
+    dest: '{{ansible_user_dir}}/nextgen-router/scripts/{{br.name}}/post-down.sh'
+    mode: 0755

variables.yaml

@@ -28,11 +28,14 @@ vars:
         - 10.0.0.2/24 # 备选地址
       gateways: null # 网关，看下面
       masq: false # 是否MASQ
+      linkUp: echo 'link up' # 链路启动脚本，用于奇怪的特殊链路或者netns
       up: echo "up" # 启动脚本和关闭脚本
       down: echo "down"
+      linkDown: echo 'link down'
       mac: null # 自定义mac地址，否则bridge随机，注意dhcp会以原始mac请求dhcp，因此不建议dhcp模式使用
       dhcpv6Client: false # 是否进行 dhcpv6 请求
       dhcpv6Receive: true # DHCPv6得到的地址的落脚点，只能有1个LAN获得
+      mtu: 1500
       dhcp: # 是否开启dhcp，不是的话直接没有这一栏
         start: 10.0.0.100
         end: 10.0.0.240