init

start.sh

@@ -0,0 +1,169 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "$0")" && pwd)"
+RUN_DIR="$ROOT_DIR/run"
+LOG_DIR="$ROOT_DIR/logs"
+API_PID_FILE="$RUN_DIR/api.pid"
+WORKER_PID_FILE="$RUN_DIR/worker.pid"
+API_LOG_FILE="$LOG_DIR/api.log"
+WORKER_LOG_FILE="$LOG_DIR/worker.log"
+API_BIN="$RUN_DIR/api"
+WORKER_BIN="$RUN_DIR/worker"
+HTTP_PORT=16811
+WORKER_HTTP_PORT=16812
+
+mkdir -p "$RUN_DIR" "$LOG_DIR"
+
+load_env_config() {
+  local env_file
+
+  for env_file in ".env"; do
+    if [[ -f "$ROOT_DIR/$env_file" ]]; then
+      # shellcheck disable=SC1090
+      source "$ROOT_DIR/$env_file"
+    fi
+  done
+
+  if [[ -n "${APP_ENV:-}" && -f "$ROOT_DIR/.env.$APP_ENV" ]]; then
+    # shellcheck disable=SC1090
+    source "$ROOT_DIR/.env.$APP_ENV"
+  elif [[ -n "${GO_ENV:-}" && -f "$ROOT_DIR/.env.$GO_ENV" ]]; then
+    # shellcheck disable=SC1090
+    source "$ROOT_DIR/.env.$GO_ENV"
+  elif [[ -n "${ENV:-}" && -f "$ROOT_DIR/.env.$ENV" ]]; then
+    # shellcheck disable=SC1090
+    source "$ROOT_DIR/.env.$ENV"
+  fi
+
+  if [[ -f "$ROOT_DIR/.env.local" ]]; then
+    # shellcheck disable=SC1090
+    source "$ROOT_DIR/.env.local"
+  fi
+}
+
+port_pid() {
+  local port="$1"
+  lsof -tiTCP:"$port" -sTCP:LISTEN 2>/dev/null | head -n 1 || true
+}
+
+is_scheduler_process() {
+  local pid="$1"
+  local cmd
+
+  cmd="$(ps -p "$pid" -o command= 2>/dev/null || true)"
+  [[ "$cmd" == *"/scheduler-backend/run/api"* || "$cmd" == *"/scheduler-backend/run/worker"* || "$cmd" == *"go run ./cmd/api"* || "$cmd" == *"go run ./cmd/worker"* || "$cmd" == *"/scheduler-backend/api"* || "$cmd" == *"/scheduler-backend/worker"* || "$cmd" == *"/exe/api"* || "$cmd" == *"/exe/worker"* ]]
+}
+
+is_running() {
+  local pid_file="$1"
+  if [[ ! -f "$pid_file" ]]; then
+    return 1
+  fi
+
+  local pid
+  pid="$(cat "$pid_file")"
+  if [[ -z "$pid" ]]; then
+    return 1
+  fi
+
+  kill -0 "$pid" 2>/dev/null
+}
+
+ensure_port_free() {
+  local name="$1"
+  local port="$2"
+  local pid
+
+  pid="$(port_pid "$port")"
+  if [[ -z "$pid" ]]; then
+    return 0
+  fi
+
+  if is_scheduler_process "$pid"; then
+    kill "$pid" 2>/dev/null || true
+    sleep 1
+    pid="$(port_pid "$port")"
+    if [[ -z "$pid" ]]; then
+      echo "$name previous process stopped, port=$port"
+      return 0
+    fi
+  fi
+
+  echo "$name port $port is already occupied by pid=$pid" >&2
+  ps -p "$pid" -o pid,ppid,command >&2 || true
+  return 1
+}
+
+start_process() {
+  local name="$1"
+  local pid_file="$2"
+  local log_file="$3"
+  shift 3
+
+  if is_running "$pid_file"; then
+    echo "$name is already running, restarting pid=$(cat "$pid_file")"
+    kill "$(cat "$pid_file")" 2>/dev/null || true
+    sleep 1
+  fi
+
+  rm -f "$pid_file"
+  (
+    cd "$ROOT_DIR"
+    nohup "$@" >>"$log_file" 2>&1 &
+    echo $! >"$pid_file"
+  )
+
+  sleep 1
+  if is_running "$pid_file"; then
+    echo "$name started, pid=$(cat "$pid_file"), log=$log_file"
+    return 0
+  fi
+
+  echo "failed to start $name, check $log_file" >&2
+  rm -f "$pid_file"
+  return 1
+}
+
+build_binary() {
+  local output="$1"
+  local target="$2"
+
+  (
+    cd "$ROOT_DIR"
+    GOWORK=off go build -o "$output" "$target"
+  )
+}
+
+stop_process() {
+  local name="$1"
+  local pid_file="$2"
+
+  if ! is_running "$pid_file"; then
+    rm -f "$pid_file"
+    return 0
+  fi
+
+  kill "$(cat "$pid_file")" 2>/dev/null || true
+  rm -f "$pid_file"
+  echo "$name stopped"
+}
+
+build_binary "$API_BIN" ./cmd/api
+build_binary "$WORKER_BIN" ./cmd/worker
+
+load_env_config
+ensure_port_free "api" "${HTTP_PORT}"
+ensure_port_free "worker" "${WORKER_HTTP_PORT}"
+
+start_process "api" "$API_PID_FILE" "$API_LOG_FILE" "$API_BIN"
+if ! start_process "worker" "$WORKER_PID_FILE" "$WORKER_LOG_FILE" "$WORKER_BIN"; then
+  stop_process "api" "$API_PID_FILE"
+  exit 1
+fi
+
+echo "scheduler-backend started"
+echo "api pid: $(cat "$API_PID_FILE")"
+echo "worker pid: $(cat "$WORKER_PID_FILE")"
+echo "api log: $API_LOG_FILE"
+echo "worker log: $WORKER_LOG_FILE"