infra-ansible

commit 524a33df52829afec92bf60dd975bb78042c1560
parent 7e290e3d3adea45b3456f9a7317e256b3e646086
Author: Jul <jul@9o.is>
Date:   Mon, 13 May 2024 16:52:03 +0800

set mtu idempotently

Diffstat:
M
host/roles/setup/tasks/main.yml
 | 
7
++++++-

1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/host/roles/setup/tasks/main.yml b/host/roles/setup/tasks/main.yml
@@ -3,7 +3,12 @@
   raw: |
     apt install -y iproute2
     ip link set {{ net_interface }} mtu 576
-    echo "mtu 576" >> /etc/network/interfaces
+    
+    if grep 'mtu' /etc/network/interfaces; then
+      sed -i 's/mtu.*/mtu 576/' /etc/network/interfaces
+    else
+      echo "mtu 576" >> /etc/network/interfaces
+    fi
 
 - name: Install Python
   raw: apt install -y python3