97 lines
2.9 KiB
Bash
97 lines
2.9 KiB
Bash
#!/usr/bin/env bash
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# =============================================================================
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# 修复 scense 测试环境访问（9380 端口监听 / 进程存活 / MySQL 通道）
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# 修复点（对应 Bug fK06kZRswv12f0_-xSr_1 步骤[2] 自杀退出255）：
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# - 原脚本 set -e：步骤[2] 端口检测失败即自杀退出 255，部署链中断。
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# - 现改为：检测失败 → 记录原因 → 自动重启（systemd 优先，兜底 nohup）→
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# 再等 30s 复检；仍失败才输出诊断日志并以非零退出（已完成一次兜底重启）。
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# =============================================================================
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set -uo pipefail
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APP_NAME="scense"
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APP_PORT="${SERVER_PORT:-9380}"
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WORKDIR="$(cd "$(dirname "$0")/.." && pwd)"
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VENV_DIR="$WORKDIR/venv"
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ENV_FILE="$WORKDIR/.env"
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LOG="$WORKDIR/logs/scense.log"
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log() { echo "[$(date '+%Y-%m-%d %H:%M:%S')] $*"; }
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[ -f "$ENV_FILE" ] && { set -a; . "$ENV_FILE"; set +a; }
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# 步骤[1] 端口监听检测（/dev/tcp 无需额外工具）
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check_port() {
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(exec 3<>"/dev/tcp/127.0.0.1/$APP_PORT") 2>/dev/null && { exec 3>&- 3<&-; return 0; }
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return 1
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}
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# 步骤[2] 进程存活检测
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check_proc() {
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pgrep -f "app/$APP_NAME.py" >/dev/null 2>&1
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}
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# 步骤[3] MySQL 通道检测
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check_mysql() {
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command -v mysql >/dev/null 2>&1 || return 1
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mysql --host="${MYSQL_HOST:-127.0.0.1}" --port="${MYSQL_PORT:-3306}" \
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--user="${MYSQL_USER:-root}" --password="${MYSQL_PASSWORD:-}" \
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-e "SELECT 1" "${MYSQL_DATABASE:-scense}" >/dev/null 2>&1
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}
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# 重启兜底：systemd 优先，失败回退 nohup 直接拉起
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restart_app() {
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log "restart $APP_NAME ..."
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if systemctl restart "$APP_NAME" 2>/dev/null; then
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return 0
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fi
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pkill -f "app/$APP_NAME.py" 2>/dev/null || true
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sleep 1
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nohup "$VENV_DIR/bin/python" "$WORKDIR/app/$APP_NAME.py" >> "$LOG" 2>&1 &
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return 0
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}
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main() {
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local fix_count=0
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if check_port; then
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log "[1] port $APP_PORT listening"
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else
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log "[1] port $APP_PORT NOT listening -> need fix"
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fix_count=$((fix_count+1))
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fi
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if check_proc; then
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log "[2] process app/$APP_NAME.py running"
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else
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log "[2] process app/$APP_NAME.py NOT found -> need fix"
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fix_count=$((fix_count+1))
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fi
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if check_mysql; then
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log "[3] MySQL channel (${MYSQL_DATABASE:-scense}@${MYSQL_HOST:-127.0.0.1}) OK"
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else
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log "[3] MySQL channel unreachable -> need fix"
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fix_count=$((fix_count+1))
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fi
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if [ "$fix_count" -gt 0 ]; then
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log "detected $fix_count issue(s), restart app (bootstrap, no suicide exit)"
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restart_app
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for _ in $(seq 1 30); do
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if check_port && check_proc; then
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log "OK: $APP_NAME back on port $APP_PORT after restart"
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exit 0
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fi
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sleep 1
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done
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log "WARN: $APP_NAME still not listening after restart; last log lines:"
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tail -n 30 "$LOG" 2>/dev/null || true
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exit 1
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fi
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log "OK: scense test env accessible (port=$APP_PORT)"
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exit 0
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}
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main "$@"
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