92 lines
2.3 KiB
Bash
92 lines
2.3 KiB
Bash
#!/bin/bash
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set -e
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#检测操作系统，如果是红帽操作系统则安装firewalld并开放端口
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if grep -Ei "red hat|rocky|alma|centos" /etc/os-release > /dev/null 2>&1; then
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echo "Detected RHEL-based system"
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sudo dnf -y groupinstall "Server"
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sudo systemctl enable --now firewalld
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ports=("22" "80" "443" "9100" "10000-65535")
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for port in "${ports[@]}"; do
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sudo firewall-cmd --permanent --add-port=${port}/tcp
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sudo firewall-cmd --permanent --add-port=${port}/udp
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done
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#启用Firewall NAT转发
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sudo firewall-cmd --permanent --add-masquerade --zone=public
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#重启Firewall
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sudo firewall-cmd --reload
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sudo firewall-cmd --list-ports
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sudo dnf install -y wget curl tar
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# Download Node Exporter
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CN_URL="https://s3.cloudyun.top/downloads/node_exporter-1.10.2.linux-amd64.tar.gz"
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GLOBAL_URL="https://github.com/prometheus/node_exporter/releases/download/v1.10.2/node_exporter-1.10.2.linux-amd64.tar.gz"
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TARGET="/tmp/node_exporter.tar.gz"
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is_cn=false
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echo "Detecting geographic location..."
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COUNTRY=$(curl -s --max-time 3 https://ipinfo.littlediary.cn/country || true)
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if [ "$COUNTRY" = "CN" ]; then
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is_cn=true
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fi
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if [ "$is_cn" = true ]; then
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echo "Geolocation: China mainland detected"
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DOWNLOAD_URL="$CN_URL"
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else
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echo "Geolocation: non-China region detected"
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DOWNLOAD_URL="$GLOBAL_URL"
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fi
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echo "Downloading from: $DOWNLOAD_URL"
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curl -fL -o "$TARGET" "$DOWNLOAD_URL"
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# Extract
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echo "Extracting Node Exporter..."
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tar -zxvf /tmp/node_exporter.tar.gz -C /tmp
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# Copy to /node_exporter
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echo "Copying Node Exporter to /node_exporter..."
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sudo cp -r /tmp/node_exporter-1.10.2.linux-amd64 /node_exporter
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# Create systemd service file
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SERVICE_FILE="/etc/systemd/system/node_exporter.service"
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echo "Creating systemd service file..."
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sudo tee "$SERVICE_FILE" > /dev/null <<EOF
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[Unit]
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Description=Node Exporter
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Wants=network-online.target
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After=network-online.target
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[Service]
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User=root
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ExecStart=/node_exporter/node_exporter --web.listen-address=\":9100\"
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Restart=always
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[Install]
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WantedBy=multi-user.target
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EOF
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# Reload systemd, enable and start service
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echo "Enabling and starting node_exporter service..."
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sudo systemctl daemon-reload
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sudo systemctl enable --now node_exporter.service
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echo "Node Exporter installation completed, listening on port 9100"
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else
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echo "Current system is not RHEL-based"
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fi
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