添加qiming-rcoder模块
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#!/bin/bash
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# 系统调用监控脚本
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# 使用 bpfcc-tools 追踪进程的系统调用活动
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set -e
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DIAG_OUTPUT_DIR="${DIAG_OUTPUT_DIR:-/app/container-logs/diag}"
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SYSLOG="$DIAG_OUTPUT_DIR/syscall-monitor.log"
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SAMPLE_DURATION=${SAMPLE_DURATION:-30} # 每次采样时长(秒)
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GENERATE_INTERVAL=${GENERATE_INTERVAL:-60} # 生成间隔(秒,默认 1 分钟)
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mkdir -p "$DIAG_OUTPUT_DIR"
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log() {
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] $*" | tee -a "$SYSLOG"
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}
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# 静默日志(只写入文件,不输出到控制台)
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log_silent() {
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] $*" >> "$SYSLOG"
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}
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# 获取进程树 PID
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get_process_tree_pids() {
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local parent_pid=$1
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if [ -z "$parent_pid" ]; then
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return
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fi
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echo "$parent_pid"
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local child_pids=$(pgrep -P "$parent_pid" 2>/dev/null || true)
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for child_pid in $child_pids; do
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get_process_tree_pids "$child_pid"
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done
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}
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# 系统调用计数统计(静默模式)
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collect_syscall_counts() {
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local pids="$1"
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local timestamp=$(date '+%Y%m%d_%H%M%S')
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local success_count=0
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local total_count=0
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for pid in $pids; do
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((total_count++))
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local comm=$(ps -p "$pid" -o comm= 2>/dev/null || echo "unknown")
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local output_file="$DIAG_OUTPUT_DIR/syscall-count-${comm}-${pid}-${timestamp}.txt"
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# 使用 syscount-bpfcc 统计系统调用(完全静默)
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timeout ${SAMPLE_DURATION}s syscount-bpfcc -p "$pid" -s 2>/dev/null > "$output_file" || true
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if [ -s "$output_file" ]; then
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((success_count++))
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# 只记录到文件,不输出到控制台
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log_silent " ✅ $comm ($pid): 已保存统计"
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else
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rm -f "$output_file"
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fi
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done
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# 只在汇总时输出一行日志
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log "🔍 系统调用统计完成: ${success_count}/${total_count} 个进程"
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}
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# 进程创建追踪(静默启动)
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trace_process_creation() {
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local output_file="$DIAG_OUTPUT_DIR/execsnoop-$(date '+%Y%m%d_%H%M%S').log"
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# 后台运行 execsnoop-bpfcc(完全静默)
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execsnoop-bpfcc -t -n 1 > "$output_file" 2>/dev/null &
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local execsnoop_pid=$!
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log_silent "✅ execsnoop-bpfcc 已启动 (PID: $execsnoop_pid)"
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echo "$execsnoop_pid"
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}
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# 文件访问追踪(静默启动)
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trace_file_access() {
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local output_file="$DIAG_OUTPUT_DIR/opensnoop-$(date '+%Y%m%d_%H%M%S').log"
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# 后台运行 opensnoop-bpfcc(完全静默)
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opensnoop-bpfcc -t -n 1 > "$output_file" 2>/dev/null &
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local opensnoop_pid=$!
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log_silent "✅ opensnoop-bpfcc 已启动 (PID: $opensnoop_pid)"
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echo "$opensnoop_pid"
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}
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# 主监控循环
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monitor_loop() {
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log "🚀 系统调用监控已启动 (每 ${GENERATE_INTERVAL} 秒采样一次)"
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log "📝 详细日志: $SYSLOG"
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# 启动持续追踪(静默)
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local execsnoop_pid=$(trace_process_creation)
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local opensnoop_pid=$(trace_file_access)
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# 清理函数
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cleanup() {
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log "🛑 停止系统调用监控..."
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kill "$execsnoop_pid" "$opensnoop_pid" 2>/dev/null || true
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log "✅ 系统调用监控已停止"
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}
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trap cleanup EXIT TERM INT
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# 定期生成系统调用统计
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local iteration=0
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while true; do
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((iteration++))
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local agent_pid=$(pgrep -f "agent_runner" | head -1)
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if [ -n "$agent_pid" ]; then
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local pids=$(get_process_tree_pids "$agent_pid" | tr '\n' ' ')
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# 每次只输出一行汇总日志
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collect_syscall_counts "$pids"
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else
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log_silent "⚠️ 未检测到 agent_runner 进程"
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fi
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# 只记录到文件,不输出到控制台
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log_silent "⏰ 第 ${iteration} 次采样完成,${GENERATE_INTERVAL} 秒后进行下一次..."
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sleep "$GENERATE_INTERVAL"
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done
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}
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# 启动监控
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case "$1" in
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start)
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monitor_loop
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;;
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*)
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echo "用法: $0 start"
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exit 1
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;;
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esac
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