Initial commit: Debian Manager — управление Debian-серверами
- SSH/SFTP управление без агентов - Пакеты (apt), Docker, файлы, systemd, ufw, cron - Плейбуки, групповые операции, планировщик - Бэкапы, отчёты, Portainer, Proxmox VE, Gitea Deploy - Терминал, Telegram-уведомления, тёмная/светлая тема
This commit is contained in:
dinlo
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"""Вкладка Cron: редактор crontab."""
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import flet as ft
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from app.core import cron_svc as cron
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from app.core.ssh import SSHClient
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from app.db.models import Server
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from app.ui.components import confirm_dialog, snack
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class CronTab(ft.Column):
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def __init__(self, page: ft.Page, srv: Server):
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super().__init__(expand=True, spacing=8, scroll=ft.ScrollMode.AUTO)
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self._page = page
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self.srv = srv
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self._lines: list[cron.CronLine] = []
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self._user = "" # пусто = текущий sudo-пользовательский контекст
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self.entries_col = ft.Column(spacing=4)
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self.controls = [
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ft.Container(height=8),
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ft.Row([
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ft.FilledButton("Добавить задачу", icon=ft.Icons.ADD,
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on_click=self._add_dialog),
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ft.OutlinedButton("Обновить", icon=ft.Icons.REFRESH,
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on_click=lambda e: self._page.run_task(self._load)),
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ft.OutlinedButton("Откатить к бэкапу", icon=ft.Icons.HISTORY,
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on_click=self._restore_dialog),
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]),
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self.entries_col,
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]
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self._page.run_task(self._load)
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async def _load(self):
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try:
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async with SSHClient(self.srv) as c:
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content = await cron.get_crontab(c)
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self._lines = cron.parse_crontab(content)
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except Exception as e:
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snack(self._page, f"cron: {e}", error=True)
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self._render()
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def _render(self):
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self.entries_col.controls = []
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for i, l in enumerate(self._lines):
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if not l.is_entry:
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if l.raw.strip() and not l.raw.strip().startswith(("#", "SHELL", "PATH", "MAILTO")):
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self.entries_col.controls.append(
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ft.Text(l.raw, size=11, color=ft.Colors.GREY_600,
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font_family="Consolas"))
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continue
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self.entries_col.controls.append(
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ft.Card(content=ft.Container(padding=8, content=ft.Row([
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ft.Checkbox(value=l.enabled,
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on_change=lambda e, idx=i: self._toggle(idx)),
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ft.Column([
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ft.Text(l.schedule, size=13, weight=ft.FontWeight.BOLD,
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font_family="Consolas"),
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ft.Text(l.command, size=12, font_family="Consolas"),
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ft.Text(cron.humanize(l.schedule), size=10,
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color=ft.Colors.GREY_500),
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], spacing=1, expand=True),
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ft.IconButton(ft.Icons.EDIT, icon_size=16,
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on_click=lambda e, idx=i: self._edit_dialog(idx)),
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ft.IconButton(ft.Icons.DELETE_OUTLINE, icon_size=16,
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on_click=lambda e, idx=i: self._delete(idx)),
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])))
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)
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if not any(l.is_entry for l in self._lines):
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self.entries_col.controls.append(
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ft.Text("crontab пуст", color=ft.Colors.GREY_500))
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self._page.update()
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async def _save(self):
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content = cron.render(self._lines)
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async with SSHClient(self.srv) as c:
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await cron.set_crontab(c, content, self.srv.id)
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snack(self._page, "crontab сохранён (бэкап записан)")
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def _toggle(self, idx):
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self._lines[idx].enabled = not self._lines[idx].enabled
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self._page.run_task(self._save)
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def _delete(self, idx):
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def do():
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del self._lines[idx]
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self._page.run_task(self._save_and_reload)
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confirm_dialog(self._page, "Удалить задачу?", self._lines[idx].command[:80], do)
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async def _save_and_reload(self):
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await self._save()
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await self._load()
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def _edit_dialog(self, idx):
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l = self._lines[idx]
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sched_tf = ft.TextField(label="Расписание (мин час день мес день_нед)",
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value=l.schedule, width=400)
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cmd_tf = ft.TextField(label="Команда", value=l.command, width=400)
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hint = ft.Text(cron.humanize(l.schedule), size=11, color=ft.Colors.GREY_500)
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def upd_hint(e):
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hint.value = cron.humanize(sched_tf.value)
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dlg.content.update()
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sched_tf.on_change = upd_hint
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def save(e):
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if "неверное" in hint.value:
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snack(self._page, "Неверное cron-выражение", error=True)
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return
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self._lines[idx] = cron.CronLine("", l.enabled, sched_tf.value.strip(),
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cmd_tf.value.strip())
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self._page.pop_dialog()
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self._page.run_task(self._save_and_reload)
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dlg = ft.AlertDialog(
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modal=True, title=ft.Text("Редактировать задачу"),
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content=ft.Column([sched_tf, cmd_tf, hint], tight=True),
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actions=[ft.TextButton("Отмена", on_click=lambda e: self._close(dlg)),
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ft.FilledButton("Сохранить", on_click=save)],
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)
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self._page.show_dialog(dlg)
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def _add_dialog(self, e):
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sched_tf = ft.TextField(label="Расписание", hint_text="0 3 * * *", width=400)
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cmd_tf = ft.TextField(label="Команда", width=400)
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hint = ft.Text("", size=11, color=ft.Colors.GREY_500)
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def upd_hint(ev):
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hint.value = cron.humanize(sched_tf.value)
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dlg.content.update()
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sched_tf.on_change = upd_hint
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def save(e):
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if not sched_tf.value or not cmd_tf.value:
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return
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self._lines.append(cron.CronLine("", True, sched_tf.value.strip(),
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cmd_tf.value.strip()))
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self._page.pop_dialog()
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self._page.run_task(self._save_and_reload)
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dlg = ft.AlertDialog(
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modal=True, title=ft.Text("Новая cron-задача"),
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content=ft.Column([sched_tf, cmd_tf, hint], tight=True),
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actions=[ft.TextButton("Отмена", on_click=lambda e: self._close(dlg)),
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ft.FilledButton("Добавить", on_click=save)],
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)
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self._page.show_dialog(dlg)
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def _restore_dialog(self, e):
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backups = cron.backups(self.srv.id, "current")
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if not backups:
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snack(self._page, "Бэкапов пока нет", error=True)
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return
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def restore(b):
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self._page.pop_dialog()
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async def _r():
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async with SSHClient(self.srv) as c:
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await cron.set_crontab(c, b.content, self.srv.id)
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await self._load()
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self._page.run_task(_r)
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dlg = ft.AlertDialog(
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modal=True, title=ft.Text("Откатить к бэкапу"),
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content=ft.Column([
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ft.TextButton(f"{b.created_at:%Y-%m-%d %H:%M} ({len(b.content)} символов)",
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on_click=lambda e, b=b: restore(b))
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for b in backups
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], tight=True),
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actions=[ft.TextButton("Отмена", on_click=lambda e: self._close(dlg))],
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)
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self._page.show_dialog(dlg)
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def _close(self, dlg):
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self._page.pop_dialog()
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