Update deploy-tws-motd

deploy-tws-motd

@@ -8,6 +8,17 @@
     tws_short: "TWS"
 
   tasks:
+    - name: Remove static MOTD file (Debian default)
+      file:
+        path: /etc/motd
+        state: absent
+
+    - name: Ensure dynamic MOTD symlink
+      file:
+        src: /run/motd.dynamic
+        dest: /etc/motd
+        state: link
+
     - name: Check for default Ubuntu MOTD scripts
       stat:
         path: "/etc/update-motd.d/{{ item }}"
@@ -29,35 +40,49 @@
         mode: "0755"
         content: |
           #!/bin/bash
+
           ORG="{{ tws_org }}"
           SHORT="{{ tws_short }}"
 
-          HOSTNAME="$(hostname)"
+          WIDTH=58
+
+          line() {
+            printf "║ %-*s ║\n" $((WIDTH-4)) "$1"
+          }
+
+          border_top() {
+            printf "╔%s╗\n" "$(printf '═%.0s' $(seq 1 $((WIDTH-2))))"
+          }
+
+          border_mid() {
+            printf "╠%s╣\n" "$(printf '═%.0s' $(seq 1 $((WIDTH-2))))"
+          }
+
+          border_bot() {
+            printf "╚%s╝\n" "$(printf '═%.0s' $(seq 1 $((WIDTH-2))))"
+          }
+
+          HOST="$(hostname)"
           OS="$(lsb_release -ds 2>/dev/null || grep PRETTY_NAME /etc/os-release | cut -d= -f2 | tr -d '"')"
           KERNEL="$(uname -r)"
           IP="$(hostname -I | awk '{print $1}')"
           UPTIME="$(uptime -p | sed 's/up //')"
           LOAD="$(awk '{print $1}' /proc/loadavg)"
-
-          MEM_USED="$(free -h | awk '/Mem:/ {print $3}')"
-          MEM_TOTAL="$(free -h | awk '/Mem:/ {print $2}')"
-
-          DISK_USED="$(df -h / | awk 'NR==2 {print $5}')"
+          MEM="$(free -h | awk '/Mem:/ {print $3 " / " $2}')"
+          DISK="$(df -h / | awk 'NR==2 {print $5 " used (/)"}')"
           USERS="$(who | wc -l)"
 
-          cat <<EOF
-          ╔══════════════════════════════════════════════════════════╗
-          ║            ${ORG} • ${SHORT} Infrastructure
-          ╠══════════════════════════════════════════════════════════╣
-          ║ Host      : ${HOSTNAME}
-          ║ OS        : ${OS}
-          ║ Kernel    : ${KERNEL}
-          ║ IP        : ${IP}
-          ║ Uptime    : ${UPTIME}
-          ╠══════════════════════════════════════════════════════════╣
-          ║ CPU Load  : ${LOAD}
-          ║ Memory   : ${MEM_USED} / ${MEM_TOTAL}
-          ║ Disk     : ${DISK_USED} used (/)
-          ║ Users    : ${USERS} logged in
-          ╚══════════════════════════════════════════════════════════╝
-          EOF
+          border_top
+          line "${ORG} • ${SHORT} Infrastructure"
+          border_mid
+          line "Host      : ${HOST}"
+          line "OS        : ${OS}"
+          line "Kernel    : ${KERNEL}"
+          line "IP        : ${IP}"
+          line "Uptime    : ${UPTIME}"
+          border_mid
+          line "CPU Load  : ${LOAD}"
+          line "Memory    : ${MEM}"
+          line "Disk      : ${DISK}"
+          line "Users     : ${USERS} logged in"
+          border_bot