chore: small improvements

terraform/configs/cloud-init/client.yaml.tpl

@@ -30,16 +30,42 @@ write_files:
     append: true
     encoding: b64
     content: ${hosts_file}
+  - path: /etc/networkd-dispatcher/routable.d/10-disable-offloading
+    owner: root:root
+    permissions: "0755"
+    content: |
+      #!/bin/bash
+      for IF in $(networkctl list --no-legend | awk '/ routable /{print $2}'); do
+        /usr/sbin/ethtool -K "$IF" \
+          rx off tx off sg off tso off ufo off gso off gro off lro off \
+          ntuple off rxhash off rx-gro-hw off || true
+      done
+  - path: /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
+    permissions: '0644'
+    content: |
+      network: {config: disabled}
+  - path: /etc/netplan/01-static.yaml
+    owner: root:root
+    permissions: '0644'
+    content: |
+      network:
+        version: 2
+        renderer: networkd
+        ethernets:
+          enp1s0:
+            dhcp4: false
+            addresses: [${ip}]
+            gateway4: ${gateway}
+            nameservers:
+              addresses: ${nameservers}
+
+modules:
+  - tcp_bbr
+  - sch_netem
 
 runcmd:
-  - |
-    cat << 'EOF' > /etc/network/if-up.d/disable-offload
-    #!/bin/bash
-    ethtool -K enp1s0 rx off tx off sg off tso off ufo off gso off gro off lro off ntuple off rxhash off rx-gro-hw off
-    EOF
-    chmod +x /etc/network/if-up.d/disable-offload
-  - /etc/network/if-up.d/disable-offload
-  - modprobe tcp_bbr sch_netem
+  - rm -f /etc/netplan/50-cloud-init.yaml
+  - netplan generate && netplan apply
 
   - |
     wget https://github.com/stunnel/static-curl/releases/download/8.14.1/curl-linux-x86_64-dev-8.14.1.tar.xz \

terraform/configs/cloud-init/server.yaml.tpl

@@ -30,33 +30,59 @@ packages:
 write_files:
   - path: /etc/nginx/nginx.conf
     owner: root:root
-    permissions: '0644'
+    permissions: "0644"
     encoding: b64
     content: ${nginx_conf}
   - path: /etc/default/tftpd-hpa
     owner: root:root
-    permissions: '0644'
+    permissions: "0644"
     encoding: b64
     content: ${tftpd_conf}
   - path: /etc/caddy/Caddyfile
     owner: root:root
-    permissions: '0644'
+    permissions: "0644"
     encoding: b64
     content: ${caddy_conf}
   - path: /etc/hosts
     append: true
     encoding: b64
     content: ${hosts_file}
+  - path: /etc/networkd-dispatcher/routable.d/10-disable-offloading
+    owner: root:root
+    permissions: "0755"
+    content: |
+      #!/bin/bash
+      for IF in $(networkctl list --no-legend | awk '/ routable /{print $2}'); do
+        /usr/sbin/ethtool -K "$IF" \
+          rx off tx off sg off tso off ufo off gso off gro off lro off \
+          ntuple off rxhash off rx-gro-hw off || true
+      done
+  - path: /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
+    permissions: '0644'
+    content: |
+      network: {config: disabled}
+  - path: /etc/netplan/01-static.yaml
+    owner: root:root
+    permissions: '0644'
+    content: |
+      network:
+        version: 2
+        renderer: networkd
+        ethernets:
+          enp1s0:
+            dhcp4: false
+            addresses: [${ip}]
+            gateway4: ${gateway}
+            nameservers:
+              addresses: ${nameservers}
+
+modules:
+  - tcp_bbr
+  - sch_netem
 
 runcmd:
-  - |
-    cat << 'EOF' > /etc/network/if-up.d/disable-offload
-    #!/bin/bash
-    ethtool -K enp1s0 rx off tx off sg off tso off ufo off gso off gro off lro off ntuple off rxhash off rx-gro-hw off
-    EOF
-    chmod +x /etc/network/if-up.d/disable-offload
-  - /etc/network/if-up.d/disable-offload
-  - modprobe tcp_bbr sch_netem
+  - rm -f /etc/netplan/50-cloud-init.yaml
+  - netplan generate && netplan apply
 
   - |
     dd if=/dev/random of=/var/www/1MB.file bs=1024K count=1