111 lines
2.1 KiB
Bash
Executable File
111 lines
2.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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PID_FILE="$ROOT/.run/visual-chat.pid"
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LOG_FILE="$ROOT/.run/visual-chat.log"
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START_CMD="$ROOT/scripts/start-public.sh"
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mkdir -p "$ROOT/.run"
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is_running() {
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if [[ ! -f "$PID_FILE" ]]; then
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return 1
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fi
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local pid
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pid="$(cat "$PID_FILE")"
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if [[ -n "$pid" ]] && kill -0 "$pid" 2>/dev/null; then
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return 0
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fi
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return 1
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}
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start() {
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if is_running; then
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echo "already running: pid=$(cat "$PID_FILE")"
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return 0
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fi
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# If stale process still binds configured port, stop it first.
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local port
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port="$(awk -F= '/^WEBRTC_PORT=/{print $2}' "$ROOT/.env" 2>/dev/null || true)"
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port="${port:-8080}"
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local pids
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pids="$(ss -ltnp 2>/dev/null | sed -n "s/.*:${port} .*users:((\"python\",pid=\([0-9]\+\),.*/\1/p" | tr '\n' ' ')"
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if [[ -n "${pids// /}" ]]; then
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echo "killing stale python on port $port: $pids"
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# shellcheck disable=SC2086
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kill $pids || true
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sleep 1
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fi
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nohup bash "$START_CMD" >>"$LOG_FILE" 2>&1 &
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local pid=$!
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echo "$pid" >"$PID_FILE"
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sleep 1
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if kill -0 "$pid" 2>/dev/null; then
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echo "started: pid=$pid"
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echo "log: $LOG_FILE"
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else
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echo "failed to start, check log: $LOG_FILE"
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rm -f "$PID_FILE"
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return 1
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fi
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}
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stop() {
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if ! is_running; then
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echo "not running"
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rm -f "$PID_FILE"
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return 0
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fi
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local pid
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pid="$(cat "$PID_FILE")"
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kill "$pid" || true
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for _ in {1..20}; do
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if ! kill -0 "$pid" 2>/dev/null; then
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break
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fi
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sleep 0.2
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done
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if kill -0 "$pid" 2>/dev/null; then
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kill -9 "$pid" || true
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fi
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rm -f "$PID_FILE"
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echo "stopped"
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}
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status() {
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if is_running; then
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echo "running: pid=$(cat "$PID_FILE")"
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return 0
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fi
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echo "not running"
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return 1
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}
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restart() {
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stop || true
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start
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}
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logs() {
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if [[ -f "$LOG_FILE" ]]; then
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tail -n 80 "$LOG_FILE"
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else
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echo "no log file yet"
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fi
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}
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case "${1:-}" in
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start) start ;;
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stop) stop ;;
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restart) restart ;;
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status) status ;;
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logs) logs ;;
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*)
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echo "usage: $0 {start|stop|restart|status|logs}"
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exit 2
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;;
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esac
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