170 lines
5.2 KiB
Bash
Executable File
170 lines
5.2 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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echo "[INFO] Starting Fluent Bit uninstallation..."
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# 检查是否为 root 用户
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if [[ $EUID -ne 0 ]]; then
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echo "[ERROR] This script requires root privileges"
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echo "[INFO] Please use: sudo $0"
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exit 1
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fi
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echo "[WARNING] This operation will completely uninstall Fluent Bit"
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read -p "Confirm to continue? (y/N): " confirm
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if [[ "$confirm" != "y" && "$confirm" != "Y" ]]; then
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echo "[INFO] Uninstallation cancelled"
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exit 0
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fi
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# 停止运行中的进程
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echo "[INFO] Stopping Fluent Bit processes..."
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install_record="/opt/argus-metric/current/.install_record"
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stopped=false
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# 首先尝试通过安装记录文件停止服务
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if [[ -f "$install_record" ]]; then
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# 尝试使用jq解析JSON格式的安装记录文件
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pid=""
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if command -v jq &> /dev/null; then
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pid=$(jq -r '.components."fluent-bit".pid // empty' "$install_record" 2>/dev/null || echo "")
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else
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# 如果没有jq，使用简单的文本解析方法
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pid=$(grep -A 10 '"fluent-bit"' "$install_record" | grep '"pid"' | cut -d'"' -f4 | head -1)
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fi
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if [[ -n "$pid" && "$pid" =~ ^[0-9]+$ ]]; then
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if kill -0 "$pid" 2>/dev/null; then
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echo "[INFO] Stopping service via installation record (PID: $pid)..."
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kill "$pid"
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sleep 3
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# 检查进程是否已停止
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if kill -0 "$pid" 2>/dev/null; then
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echo "[WARNING] Process unresponsive, force killing..."
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kill -9 "$pid" 2>/dev/null || true
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fi
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echo "[SUCCESS] Fluent Bit process stopped"
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stopped=true
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else
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echo "[WARNING] PID in installation record no longer exists"
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fi
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fi
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fi
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# 查找并杀死所有 fluent-bit 进程
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pids=$(pgrep -f "fluent-bit" 2>/dev/null || true)
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if [[ -n "$pids" ]]; then
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echo "[INFO] Found fluent-bit processes, stopping..."
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for pid in $pids; do
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echo "[INFO] Stopping process PID: $pid"
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kill "$pid" 2>/dev/null || true
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done
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sleep 2
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# 检查是否还有进程在运行，如果有则强制终止
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remaining_pids=$(pgrep -f "fluent-bit" 2>/dev/null || true)
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if [[ -n "$remaining_pids" ]]; then
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echo "[WARNING] Processes unresponsive, force killing..."
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for pid in $remaining_pids; do
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echo "[INFO] Force killing process PID: $pid"
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kill -9 "$pid" 2>/dev/null || true
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done
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sleep 1
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fi
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# 最终检查
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if pgrep -f "fluent-bit" > /dev/null; then
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echo "[ERROR] Unable to stop all fluent-bit processes"
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else
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echo "[SUCCESS] All Fluent Bit processes stopped"
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stopped=true
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fi
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else
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echo "[INFO] No Fluent Bit processes running"
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fi
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if [[ "$stopped" == "false" ]]; then
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echo "[WARNING] No Fluent Bit processes found to stop"
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fi
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# 卸载 Fluent Bit 包
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echo "[INFO] Uninstalling Fluent Bit package..."
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if dpkg -l | grep -q "fluent-bit"; then
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echo "[INFO] Found fluent-bit package installed via dpkg, uninstalling..."
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dpkg --remove --force-remove-reinstreq fluent-bit || true
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echo "[SUCCESS] Fluent Bit package uninstalled"
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else
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echo "[INFO] No fluent-bit package found via package manager"
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fi
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# 删除二进制文件
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echo "[INFO] Removing Fluent Bit binary files..."
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binary_dir="/opt/fluent-bit"
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if [[ -d "$binary_dir" ]]; then
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rm -rf "$binary_dir"
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echo "[SUCCESS] Binary directory removed: $binary_dir"
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else
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echo "[INFO] Binary directory does not exist"
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fi
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# 删除配置文件
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echo "[INFO] Removing configuration files..."
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config_dir="/etc/fluent-bit"
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if [[ -d "$config_dir" ]]; then
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rm -rf "$config_dir"
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echo "[SUCCESS] Configuration directory removed"
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else
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echo "[INFO] Configuration directory does not exist"
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fi
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# 删除数据目录
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echo "[INFO] Removing data directories..."
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data_dirs=("/logs" "/buffers")
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deleted=false
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for data_dir in "${data_dirs[@]}"; do
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if [[ -d "$data_dir" ]]; then
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rm -rf "$data_dir"
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echo "[SUCCESS] Data directory removed: $data_dir"
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deleted=true
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fi
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done
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if [[ "$deleted" == "false" ]]; then
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echo "[INFO] No data directories found"
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fi
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# 清理安装记录
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echo "[INFO] Cleaning up installation record..."
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if [[ -f "$install_record" ]]; then
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# 从安装记录中移除 fluent-bit 条目
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sed -i '/^fluent-bit:/d' "$install_record"
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echo "[SUCCESS] Installation record cleaned"
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else
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echo "[INFO] Installation record file does not exist"
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fi
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# 检查用户状态
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echo "[INFO] Checking fluent-bit user status..."
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if id "fluent-bit" &>/dev/null; then
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echo "[INFO] fluent-bit user exists"
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echo "[WARNING] fluent-bit is a system user, may be used by other services"
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echo "[INFO] fluent-bit user will be preserved for system stability"
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echo "[INFO] To manually remove, run: sudo userdel fluent-bit"
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else
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echo "[INFO] fluent-bit user does not exist"
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fi
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echo "[SUCCESS] Fluent Bit uninstallation completed!"
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echo
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echo "Removed content:"
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echo " - Binary directory: /opt/fluent-bit"
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echo " - Configuration directory: /etc/fluent-bit"
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echo " - Application log directory: /logs"
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echo " - Buffer directory: /buffers"
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echo
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echo "Note:"
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echo " - fluent-bit user preserved (system user, may be used by other services)"
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echo " - For complete cleanup, manually check and remove related files"
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