297 lines
11 KiB
Python
297 lines
11 KiB
Python
from __future__ import annotations
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import json
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import os
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import subprocess
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from datetime import datetime
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from pathlib import Path
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from app.core.config import settings
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from app.core.redis_client import get_redis
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from app.services.runtime_settings_service import get_runtime_settings
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WORKER_CONTROL_CHANNEL = "domain_tool:worker_control"
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WORKER_PENDING_COMMAND_KEY = "domain_tool:worker_pending_command"
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def _domain_root() -> Path:
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return Path(settings.domain_root)
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def _runtime_config() -> dict:
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return get_runtime_settings()
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def _run_powershell(command: str, timeout: int = 20) -> subprocess.CompletedProcess[str]:
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return subprocess.run(
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["powershell", "-NoProfile", "-ExecutionPolicy", "Bypass", "-Command", command],
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capture_output=True,
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text=True,
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timeout=timeout,
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)
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def _run_shell(command: list[str], timeout: int = 20) -> subprocess.CompletedProcess[str]:
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return subprocess.run(command, capture_output=True, text=True, timeout=timeout)
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def _run_systemctl(
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command: list[str],
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timeout: int = 20,
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require_sudo: bool = True,
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no_block: bool = False,
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) -> subprocess.CompletedProcess[str]:
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systemctl_command = ["systemctl"]
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if no_block and "--no-block" not in command:
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systemctl_command.append("--no-block")
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systemctl_command.extend(command)
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if os.geteuid() == 0 or not require_sudo:
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return _run_shell(systemctl_command, timeout=timeout)
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return _run_shell(["sudo", "-n", *systemctl_command], timeout=timeout)
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def normalize_systemctl_error(raw_message: str, *, service_name: str = "") -> str:
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message = str(raw_message or "").strip()
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normalized_service_name = str(service_name or "").strip()
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if not message:
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target = normalized_service_name or "目标服务"
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return f"{target} 控制失败，未返回可用错误信息"
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lowered = message.lower()
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if "sudo: a password is required" in lowered or "authentication is required" in lowered:
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target = normalized_service_name or "systemd 服务"
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return f"{target} 控制失败：当前运行用户没有免密 systemctl 权限，请为 API 进程授予对应 sudo/systemd 权限"
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if "unit " in lowered and " could not be found" in lowered:
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target = normalized_service_name or "目标服务"
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return f"{target} 控制失败：systemd 中未找到该服务，请检查服务名配置是否正确"
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if "access denied" in lowered or "permission denied" in lowered:
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target = normalized_service_name or "systemd 服务"
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return f"{target} 控制失败：权限不足，请检查当前 API 进程用户是否具备 systemctl 控制权限"
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if "host is down" in lowered or "failed to connect to bus" in lowered:
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return "systemctl 调用失败：当前环境未接入可用的 systemd/dbus，请确认部署方式与 worker_mode 是否匹配"
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return message
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def _parse_systemd_timestamp(raw_timestamp: str) -> str:
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raw_timestamp = (raw_timestamp or "").strip()
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if not raw_timestamp:
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return ""
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try:
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parsed = datetime.strptime(raw_timestamp, "%a %Y-%m-%d %H:%M:%S %Z")
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return parsed.strftime("%Y-%m-%d %H:%M:%S")
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except ValueError:
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pass
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try:
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parsed = datetime.strptime(raw_timestamp.rsplit(" ", 1)[0], "%a %Y-%m-%d %H:%M:%S")
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return parsed.strftime("%Y-%m-%d %H:%M:%S")
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except ValueError:
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return ""
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def probe_systemd_service(service_name: str, *, mode: str = "linux-systemd") -> dict:
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result = _run_systemctl(
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[
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"show",
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service_name,
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"--no-page",
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"--property=ActiveState,SubState,MainPID,ExecMainStartTimestamp,ActiveEnterTimestamp",
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],
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require_sudo=False,
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)
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output = (result.stdout or result.stderr or "").strip()
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if result.returncode != 0:
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return {
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"mode": mode,
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"service_name": service_name,
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"running": False,
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"process_count": 0,
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"latest_start_time": "",
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"message": output or f"systemd service {service_name} not available",
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}
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data: dict[str, str] = {}
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for line in output.splitlines():
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if "=" in line:
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key, value = line.split("=", 1)
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data[key] = value
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main_pid = int(data.get("MainPID", "0") or 0)
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active_state = data.get("ActiveState", "")
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sub_state = data.get("SubState", "")
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latest_start_time = ""
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for raw_timestamp in (data.get("ExecMainStartTimestamp", ""), data.get("ActiveEnterTimestamp", "")):
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latest_start_time = _parse_systemd_timestamp(raw_timestamp)
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if latest_start_time:
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break
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return {
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"mode": mode,
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"service_name": service_name,
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"running": active_state == "active",
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"process_count": 1 if main_pid > 0 else 0,
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"latest_start_time": latest_start_time,
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"message": f"{active_state}/{sub_state}" if active_state else "",
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}
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def _windows_runtime() -> dict:
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command = """
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$targets = Get-CimInstance Win32_Process -Filter "name='python.exe'" |
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Where-Object { $_.CommandLine -like '*detect_worker.py*' } |
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Select-Object ProcessId, CommandLine
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if (-not $targets) {
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Write-Output '{"running":false,"process_count":0,"latest_start_time":"","mode":"windows-local"}'
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exit 0
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}
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$latest = $null
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foreach ($item in $targets) {
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try {
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$proc = Get-Process -Id $item.ProcessId -ErrorAction Stop
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if (-not $latest -or $proc.StartTime -gt $latest.StartTime) {
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$latest = $proc
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}
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} catch {}
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}
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$payload = @{
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running = $true
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process_count = @($targets).Count
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latest_start_time = if ($latest) { $latest.StartTime.ToString('yyyy-MM-dd HH:mm:ss') } else { '' }
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mode = 'windows-local'
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} | ConvertTo-Json -Compress
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Write-Output $payload
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"""
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result = _run_powershell(command)
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output = (result.stdout or "").strip()
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if result.returncode != 0 or not output:
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return {
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"mode": "windows-local",
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"running": False,
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"process_count": 0,
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"latest_start_time": "",
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"message": (result.stderr or result.stdout or "worker runtime probe failed").strip(),
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}
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try:
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payload = json.loads(output)
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except json.JSONDecodeError:
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return {
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"mode": "windows-local",
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"running": False,
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"process_count": 0,
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"latest_start_time": "",
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"message": output,
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}
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payload.setdefault("message", "")
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return payload
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def _linux_runtime() -> dict:
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runtime = _runtime_config()
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service_name = runtime["worker_service_name"]
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return probe_systemd_service(service_name, mode="linux-systemd")
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def detect_sync_agent_runtime() -> dict:
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runtime = _runtime_config()
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worker_mode = runtime.get("worker_mode", settings.worker_mode)
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service_name = runtime.get("sync_agent_service_name", settings.sync_agent_service_name)
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if worker_mode != "linux-systemd":
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return {
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"mode": worker_mode,
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"service_name": service_name,
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"running": False,
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"process_count": 0,
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"latest_start_time": "",
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"message": "sync-agent 仅在 Linux systemd 多机部署中使用",
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}
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return probe_systemd_service(service_name, mode="linux-systemd")
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def detect_worker_runtime() -> dict:
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runtime = _runtime_config()
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worker_mode = runtime["worker_mode"]
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if worker_mode == "linux-systemd":
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return _linux_runtime()
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if os.name == "nt":
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return _windows_runtime()
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return {
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"mode": worker_mode,
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"running": False,
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"process_count": 0,
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"latest_start_time": "",
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"message": f"unsupported worker_mode: {worker_mode}",
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}
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def start_worker() -> tuple[bool, str]:
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runtime = _runtime_config()
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worker_mode = runtime["worker_mode"]
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service_name = runtime["worker_service_name"]
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if worker_mode == "linux-systemd":
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result = _run_systemctl(["start", service_name], timeout=30)
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if result.returncode != 0:
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return False, normalize_systemctl_error(result.stderr or result.stdout or "启动 Linux Worker 失败", service_name=service_name)
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return True, f"Linux Worker 启动命令已发送: {service_name}"
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if os.name != "nt":
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return False, "当前仅实现 Windows 本地 Worker 启动，Linux 请将 worker_mode 设为 linux-systemd。"
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script_path = _domain_root() / "start_worker.ps1"
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if not script_path.exists():
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return False, f"未找到启动脚本: {script_path}"
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command = (
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"Start-Process powershell "
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f"-ArgumentList '-ExecutionPolicy Bypass -File \"{script_path}\"' "
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f"-WorkingDirectory '{_domain_root()}'"
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)
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result = _run_powershell(command)
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if result.returncode != 0:
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return False, (result.stderr or result.stdout or "启动检测端失败").strip()
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return True, "检测端启动命令已发送"
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def stop_worker() -> tuple[bool, str]:
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runtime = _runtime_config()
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worker_mode = runtime["worker_mode"]
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service_name = runtime["worker_service_name"]
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if worker_mode == "linux-systemd":
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result = _run_systemctl(["stop", service_name], timeout=30)
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if result.returncode != 0:
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return False, normalize_systemctl_error(result.stderr or result.stdout or "停止 Linux Worker 失败", service_name=service_name)
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return True, f"Linux Worker 停止命令已发送: {service_name}"
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if os.name != "nt":
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return False, "当前仅实现 Windows 本地 Worker 停止，Linux 请将 worker_mode 设为 linux-systemd。"
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command = """
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$targets = Get-CimInstance Win32_Process -Filter "name='python.exe'" |
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Where-Object { $_.CommandLine -like '*detect_worker.py*' } |
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Select-Object -ExpandProperty ProcessId
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if (-not $targets) {
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Write-Output 'NO_PROCESS'
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exit 0
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}
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$targets | ForEach-Object { Stop-Process -Id $_ -Force }
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Write-Output ('STOPPED:' + (($targets | Measure-Object).Count))
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"""
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result = _run_powershell(command)
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output = (result.stdout or result.stderr or "").strip()
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if result.returncode != 0:
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return False, output or "停止检测端失败"
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if "NO_PROCESS" in output:
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return True, "当前没有运行中的检测端进程"
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return True, output or "检测端已停止"
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def send_worker_command(action: str, payload: dict | None = None) -> tuple[bool, str]:
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try:
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redis_client = get_redis()
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command_payload = {"action": action}
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if payload:
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command_payload.update(payload)
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serialized = json.dumps(command_payload, ensure_ascii=False)
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redis_client.set(WORKER_PENDING_COMMAND_KEY, serialized, ex=120)
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redis_client.publish(WORKER_CONTROL_CHANNEL, serialized)
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return True, f"已发送 Worker 控制指令: {action}"
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except Exception as exc:
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return False, f"发送 Worker 控制指令失败: {exc}"
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