using ipinfo to check country

Change Node_exporter download url
install basic system dependency

Prometheus/install-node_exporter.sh

@@ -0,0 +1,83 @@
+#!/bin/bash
+set -e
+
+#Detect Operation System
+
+if command -v apt >/dev/null 2>&1; then
+    echo "Detected apt-based system"
+    sudo apt update
+    sudo apt install -y wget curl tar 
+
+elif command -v dnf >/dev/null 2>&1; then
+    echo "Detected dnf-based system"
+    sudo dnf install -y wget curl tar 
+
+else
+    echo "Unsupported package manager"
+    exit 1
+fi
+
+
+# Download Node Exporter
+
+CN_URL="https://8.134.128.173/relayx/node_exporter-1.10.2.linux-amd64.tar.gz"
+GLOBAL_URL="https://github.com/prometheus/node_exporter/releases/download/v1.10.2/node_exporter-1.10.2.linux-amd64.tar.gz"
+TARGET="/tmp/node_exporter.tar.gz"
+
+is_cn=false
+
+echo "Detecting geographic location..."
+
+COUNTRY=$(curl -s --max-time 3 https://ipinfo.io/country || true)
+if [ "$COUNTRY" = "CN" ]; then
+    is_cn=true
+fi
+
+
+if [ "$is_cn" = true ]; then
+    echo "Geolocation: China mainland detected"
+    DOWNLOAD_URL="$CN_URL"
+else
+    echo "Geolocation: non-China region detected"
+    DOWNLOAD_URL="$GLOBAL_URL"
+fi
+
+echo "Downloading from: $DOWNLOAD_URL"
+curl -fL -o "$TARGET" "$DOWNLOAD_URL"
+
+
+
+
+# Extract
+echo "Extracting Node Exporter..."
+tar -zxvf /tmp/node_exporter.tar.gz -C /tmp
+
+# Copy to /node_exporter
+echo "Copying Node Exporter to /node_exporter..."
+sudo cp -r /tmp/node_exporter-1.10.2.linux-amd64 /node_exporter
+
+# Create systemd service file
+SERVICE_FILE="/etc/systemd/system/node_exporter.service"
+
+echo "Creating systemd service file..."
+sudo tee "$SERVICE_FILE" > /dev/null <<EOF
+[Unit]
+Description=Node Exporter
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+User=root
+ExecStart=/node_exporter/node_exporter --web.listen-address=":9100"
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+# Reload systemd, enable and start service
+echo "Enabling and starting node_exporter service..."
+sudo systemctl daemon-reload
+sudo systemctl enable --now node_exporter.service
+
+echo "Node Exporter installation completed, listening on port 9100"