Files
scheduler-backend/start.sh
2026-05-28 00:16:19 +08:00

170 lines
3.8 KiB
Bash
Executable File

#!/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"