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焦龙言
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from cli.utils import SHELL_TEXT_FORMATTER
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class OpsCommandPresenter:
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"""
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运维命令文本渲染器。
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该渲染器负责将 `ops` 命令组产生的结构化 payload 转换为稳定的文本摘要，
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同时保持 JSON 输出仍由控制器直接返回，不在此处做契约变形。
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"""
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def build_health_text(self, payload: dict[str, object]) -> str:
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"""
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将基础健康检查结果渲染为文本摘要。
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:param payload: 健康检查结果字典
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:return: 文本摘要
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"""
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return '\n'.join(
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[
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f'ok: {str(payload.get("ok", False)).lower()}',
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f'env: {payload.get("env", "")}',
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'checks:',
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self._build_check_status_line('database', payload.get('database')),
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self._build_check_status_line('redis', payload.get('redis')),
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]
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)
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def build_server_info_text(self, payload: dict[str, object]) -> str:
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"""
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将服务器运行时信息渲染为文本摘要。
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:param payload: 服务器运行时信息结果字典
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:return: 文本摘要
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"""
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server = payload.get('server')
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if not isinstance(server, dict):
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return '\n'.join(
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[
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f'ok: {str(payload.get("ok", False)).lower()}',
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'server: none',
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]
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)
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sys_info = server.get('sys')
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cpu_info = server.get('cpu')
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mem_info = server.get('mem')
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py_info = server.get('py')
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sys_files = server.get('sysFiles')
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lines = [f'ok: {str(payload.get("ok", False)).lower()}']
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if isinstance(sys_info, dict):
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lines.extend(
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[
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'host:',
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f' name: {sys_info.get("computerName", "-")}',
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f' ip: {sys_info.get("computerIp", "-")}',
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f' os: {SHELL_TEXT_FORMATTER.truncate_text(sys_info.get("osName", "-"), 90)}',
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f' arch: {sys_info.get("osArch", "-")}',
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f' user_dir: {SHELL_TEXT_FORMATTER.truncate_text(sys_info.get("userDir", "-"), 100)}',
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]
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)
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if isinstance(cpu_info, dict):
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lines.extend(
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[
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'cpu:',
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f' cores: {cpu_info.get("cpuNum", "-")}',
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f' used: {cpu_info.get("used", "-")}%',
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f' sys: {cpu_info.get("sys", "-")}%',
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f' free: {cpu_info.get("free", "-")}%',
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]
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)
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if isinstance(mem_info, dict):
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lines.extend(
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[
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'memory:',
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f' total: {mem_info.get("total", "-")}',
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f' used: {mem_info.get("used", "-")}',
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f' free: {mem_info.get("free", "-")}',
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f' usage: {mem_info.get("usage", "-")}%',
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]
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)
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if isinstance(py_info, dict):
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lines.extend(
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[
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'python:',
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f' name: {py_info.get("name", "-")}',
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f' version: {py_info.get("version", "-")}',
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f' start_time: {py_info.get("startTime", "-")}',
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f' run_time: {py_info.get("runTime", "-")}',
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f' home: {SHELL_TEXT_FORMATTER.truncate_text(py_info.get("home", "-"), 100)}',
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f' process_memory: {py_info.get("used", "-")} / {py_info.get("total", "-")} ({py_info.get("usage", "-")}%)',
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]
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)
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if isinstance(sys_files, list):
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lines.append(f'disks: {len(sys_files)}')
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if sys_files:
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lines.append('disk_samples:')
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lines.extend(
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f' - {item.get("dirName", "-")} | used: {item.get("used", "-")} / {item.get("total", "-")} | usage: {item.get("usage", "-")}'
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for item in sys_files[:10]
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if isinstance(item, dict)
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)
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return '\n'.join(lines)
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def build_dependencies_text(self, payload: dict[str, object]) -> str:
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"""
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将依赖版本检查结果渲染为文本摘要。
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:param payload: 依赖版本检查结果字典
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:return: 文本摘要
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"""
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packages = payload.get('packages')
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lines = [
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f'ok: {str(payload.get("ok", False)).lower()}',
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f'message: {payload.get("message", "-")}',
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f'include_dev: {str(payload.get("includeDev", False)).lower()}',
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]
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missing_required = payload.get('missingRequired')
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if isinstance(missing_required, list) and missing_required:
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lines.append('missing_required:')
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lines.extend(f' - {item}' for item in missing_required)
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else:
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lines.append('missing_required: none')
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if not isinstance(packages, dict) or not packages:
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lines.append('packages: none')
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return '\n'.join(lines)
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lines.append('packages:')
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for package_name in sorted(packages):
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dependency_payload = packages.get(package_name)
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if isinstance(dependency_payload, dict):
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lines.append(self._build_dependency_line(package_name, dependency_payload))
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return '\n'.join(lines)
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@staticmethod
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def _build_check_status_line(name: str, status_payload: dict[str, object] | None) -> str:
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"""
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构建单项检查结果摘要行。
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:param name: 检查项名称
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:param status_payload: 检查结果字典
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:return: 摘要行文本
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"""
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if not isinstance(status_payload, dict):
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return f' {name}: unknown'
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ok = str(status_payload.get('ok', False)).lower()
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message = status_payload.get('message', '-') or '-'
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error = status_payload.get('error')
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if error:
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return f' {name}: {ok} | {message} | error: {SHELL_TEXT_FORMATTER.truncate_text(error, 120)}'
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return f' {name}: {ok} | {message}'
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@staticmethod
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def _build_dependency_line(name: str, dependency_payload: dict[str, object] | None) -> str:
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"""
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构建单个依赖项的文本摘要行。
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:param name: 依赖项名称
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:param dependency_payload: 依赖项结果字典
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:return: 文本摘要行
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"""
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if not isinstance(dependency_payload, dict):
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return f' {name}: not-installed'
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installed = str(dependency_payload.get('installed', False)).lower()
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version = dependency_payload.get('version', '-') or '-'
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required = str(dependency_payload.get('required', False)).lower()
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distribution = dependency_payload.get('distribution', '') or name
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return f' {name}: {installed} | version: {version} | required: {required} | dist: {distribution}'
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