From b33424b7904fa61fc7cb072c32cf1dfa01628ea9 Mon Sep 17 00:00:00 2001
From: Jaroslava Fiedlerova <Jaroslava.Fiedlerova@openairinterface.org>
Date: Wed, 26 Nov 2025 14:46:06 +0100
Subject: [PATCH] CI: Add script for BW configuration on WNC RU

---
 ci-scripts/scripts/set-wnc-bandwidth.sh | 93 +++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 ci-scripts/scripts/set-wnc-bandwidth.sh

diff --git a/ci-scripts/scripts/set-wnc-bandwidth.sh b/ci-scripts/scripts/set-wnc-bandwidth.sh
new file mode 100644
index 0000000000..c52f30e388
--- /dev/null
+++ b/ci-scripts/scripts/set-wnc-bandwidth.sh
@@ -0,0 +1,93 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+    echo "Usage: $0 <bandwidth> [reboot]"
+    exit 1
+fi
+
+BANDWIDTH="$1"
+DO_REBOOT="$2"
+RU_IP="10.10.0.115"
+HOST="root@$RU_IP"
+LOGFILE="/tmp/radio_config_$(date +%Y%m%d_%H%M%S).log"
+
+echo "=== Starting at $(date) ===" | tee "$LOGFILE"
+echo "Target bandwidth: $BANDWIDTH" | tee -a "$LOGFILE"
+echo "Reboot before configuration: ${DO_REBOOT:-no}" | tee -a "$LOGFILE"
+
+if [ "$DO_REBOOT" == "reboot" ]; then
+    echo "=== Rebooting RU ($RU_IP) ... ===" | tee -a "$LOGFILE"
+
+    expect <<EOF | tee -a "$LOGFILE" > /dev/null 2>&1
+set timeout 10
+spawn ssh -tt $HOST
+
+expect "#"
+send "reboot\r"
+expect "Continue?"
+send "Y\r"
+# We expect disconnect now
+expect eof
+EOF
+
+    echo "→ Waiting for $RU_IP SSH to go down..." | tee -a "$LOGFILE"
+    sleep 10
+
+    echo "→ Waiting for $RU_IP SSH port 22 to be open..." | tee -a "$LOGFILE"
+    while ! nc -zv $RU_IP 22 >/dev/null 2>&1; do
+        echo "SSH port 22 not open, waiting 5 seconds..." | tee -a "$LOGFILE"
+        sleep 5
+    done
+    echo "✓ SSH port 22 is open on $RU_IP" | tee -a "$LOGFILE"
+fi
+
+echo "=== Applying bandwidth configuration ===" | tee -a "$LOGFILE"
+
+expect <<EOF | tee -a "$LOGFILE" > /dev/null 2>&1
+set timeout 10
+spawn ssh -tt $HOST
+
+expect "#"
+send "radio disable\r"
+
+expect "#"
+send "config\r"
+
+expect "(config)#"
+send "radio 1\r"
+
+expect "(conf-rf 1)#"
+send "bandwidth ${BANDWIDTH}\r"
+
+expect "(conf-rf 1)#"
+send "exit\r"
+
+expect "(config)#"
+send "exit\r"
+
+expect "#"
+send "radio enable\r"
+
+expect "#"
+send "show running-config\r"
+
+expect "#"
+send "exit\r"
+EOF
+
+echo "=== Checking bandwidth in running-config ===" | tee -a "$LOGFILE"
+
+FOUND_BW=$(grep -E "bandwidth[[:space:]]+[0-9]+" "$LOGFILE" \
+    | tail -n 1 \
+    | awk '{print $2}' \
+    | tr -d '\r[:space:]')
+
+if [ "$FOUND_BW" -eq "$BANDWIDTH" ]; then
+    echo "✓ SUCCESS: Bandwidth correctly set to $FOUND_BW" | tee -a "$LOGFILE"
+    rm "$LOGFILE"
+    exit 0
+else
+    echo "✖ ERROR: Expected bandwidth $BANDWIDTH but found: $FOUND_BW" | tee -a "$LOGFILE"
+    exit 1
+fi
+