urocibg / install-node-exporter.sh

#!/bin/bash # Цветове GREEN='\033[0;32m' YELLOW='\033[1;33m' RED='\033[0;31m' NC='\033[0m' echo -e "${GREEN}================================${NC}" echo -e "${GREEN}Node Exporter Quick Install${NC}" echo -e "${GREEN}За Proxmox LXC контейнери${NC}" echo -e "${GREEN}================================${NC}\n" # Проверка за root if [[ $EUID -ne 0 ]]; then echo -e "${RED}Този скрипт трябва да се изпълни като root!${NC}" exit 1 fi # Актуализация echo -e "${YELLOW}[1/4] Актуализация на системата...${NC}" apt-get update -qq > /dev/null 2>&1 apt-get install -y wget tar > /dev/null 2>&1 # Създаване на потребител echo -e "${YELLOW}[2/4] Създаване на node_exporter потребител...${NC}" useradd --no-create-home --shell /bin/false node_exporter 2>/dev/null || true # Инсталация на Node Exporter echo -e "${YELLOW}[3/4] Инсталация на Node Exporter...${NC}" NODE_VERSION="1.6.1" wget -q https://github.com/prometheus/node_exporter/releases/download/v${NODE_VERSION}/node_exporter-${NODE_VERSION}.linux-amd64.tar.gz if [ $? -ne 0 ]; then echo -e "${RED}Грешка при изтеглянето на Node Exporter!${NC}" exit 1 fi tar xzf node_exporter-${NODE_VERSION}.linux-amd64.tar.gz cp node_exporter-${NODE_VERSION}.linux-amd64/node_exporter /usr/local/bin/ chown node_exporter:node_exporter /usr/local/bin/node_exporter rm -rf node_exporter-${NODE_VERSION}.linux-amd64* # Systemd service cat > /etc/systemd/system/node_exporter.service <<EOF [Unit] Description=Node Exporter Wants=network-online.target After=network-online.target [Service] User=node_exporter Group=node_exporter Type=simple ExecStart=/usr/local/bin/node_exporter [Install] WantedBy=multi-user.target EOF # Стартиране echo -e "${YELLOW}[4/4] Стартиране на Node Exporter...${NC}" systemctl daemon-reload systemctl enable node_exporter > /dev/null 2>&1 systemctl start node_exporter # Проверка sleep 2 if systemctl is-active --quiet node_exporter; then echo -e "\n${GREEN}✓ Node Exporter е инсталиран успешно!${NC}" CONTAINER_IP=$(hostname -I | awk '{print $1}') CONTAINER_NAME=$(hostname) echo -e "\n${YELLOW}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}" echo -e "${GREEN}Информация за контейнера:${NC}" echo -e "${YELLOW}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}" echo -e " Hostname: ${GREEN}${CONTAINER_NAME}${NC}" echo -e " IP Address: ${GREEN}${CONTAINER_IP}${NC}" echo -e " Port: ${GREEN}9100${NC}" echo -e " Metrics URL: ${GREEN}http://${CONTAINER_IP}:9100/metrics${NC}" echo -e "\n${YELLOW}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}" echo -e "${GREEN}Следващи стъпки:${NC}" echo -e "${YELLOW}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}" echo -e "1. Отвори SSH към ${GREEN}мониторинг контейнера${NC}" echo -e "2. Изпълни:\n" echo -e " ${GREEN}add-lxc-container ${CONTAINER_IP} '${CONTAINER_NAME}'${NC}\n" echo -e " или ръчно редактирай: ${GREEN}/etc/prometheus/prometheus.yml${NC}" echo -e " и добави:" echo -e " ${YELLOW} - targets: ['${CONTAINER_IP}:9100']${NC}" echo -e " ${YELLOW} labels:${NC}" echo -e " ${YELLOW} alias: '${CONTAINER_NAME}'${NC}" echo -e " ${YELLOW} type: 'lxc-container'${NC}\n" echo -e "3. Рестартирай Prometheus: ${GREEN}systemctl restart prometheus${NC}" echo -e "${YELLOW}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}\n" exit 0 else echo -e "\n${RED}✗ Node Exporter не успя да стартира!${NC}" echo -e "${YELLOW}Провери логовете: journalctl -u node_exporter -f${NC}\n" exit 1 fi