1296 lines
45 KiB
Python
1296 lines
45 KiB
Python
"""Panes TUI: keyboard-first Textual app (spec §7, TUI-1, TUI-4).
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One dense screen, four normative regions:
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1. Headline band (full width, top)
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2. Usage-history pane (left, wider)
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3. Drive-health + settings pane (right, narrower)
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4. Service strip (full width, bottom)
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Bindings: p (pause, asks), r (resume), c (collect now), d (disclosures), q (quit).
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Privileged actions route through fenris-monitor as terminal-attached subprocesses
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(LC-6, LC-8). The TUI never samples in-process.
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Criteria: TUI-1, TUI-2, TUI-4, CI-1, CI-2, CI-4, IN-3, LC-6, LC-8.
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"""
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from __future__ import annotations
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import sqlite3
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import subprocess
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import sys
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from datetime import datetime, timedelta, timezone
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from pathlib import Path
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from typing import Any, Callable, Dict, List, Optional
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from textual.app import App, ComposeResult
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from textual.binding import Binding
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from textual.containers import Container, Horizontal, VerticalScroll
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from textual.screen import ModalScreen
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from textual.widget import Widget
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from textual.widgets import Static
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from .projection import (
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ConfidenceState,
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ProjectionResult,
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ScenarioRange,
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compute_projection,
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)
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from .status import (
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CADENCE_DEFAULT_S,
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FRESH_THRESHOLD_S,
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STALENESS_THRESHOLD_S,
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ConfigError,
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NewerSchema,
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StoreFault,
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format_disclosures,
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freshness_age_human,
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grade_freshness,
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deliberate_pause_lines,
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is_deliberately_paused,
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monitoring_continuity,
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open_store_readonly,
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query_service_state,
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read_config,
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)
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from .monitoring_periods import get_open_period
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# ---------------------------------------------------------------------------
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# Helpers
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# ---------------------------------------------------------------------------
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def _format_remaining(seconds: float) -> str:
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"""Format remaining lifespan as human-readable string."""
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if seconds <= 0:
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return "endurance exhausted"
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years = int(seconds // 31557600)
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rem = seconds % 31557600
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days = int(rem // 86400)
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rem %= 86400
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hours = int(rem // 3600)
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parts = []
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if years:
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parts.append("%d yr" % years)
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if days or years:
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parts.append("%d d" % days)
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parts.append("%d h" % hours)
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return " ".join(parts)
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def _sparkline(values: List[float], width: int = 40) -> str:
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"""Render a sparkline from daily bytes-written values."""
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if not values:
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return ""
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mx = max(values) or 1.0
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blocks = " ▁▂▃▄▅▆▇█"
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step = max(1, len(values) // width or 1)
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picked = values[-width * step :][::step][-width:]
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return "".join(
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blocks[min(len(blocks) - 1, int(v / mx * (len(blocks) - 1)) + (1 if v > 0 else 0))]
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for v in picked
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)
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def _habit_bar(a: float, i: float, o: float, u: float, width: int = 40) -> str:
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"""Render the habit-split bar with legend."""
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total = a + i + o + u or 1.0
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segs = [
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("a", a, "#33ff33"),
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("i", i, "#ffff33"),
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("o", o, "#33ffff"),
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("?", u, "#ff33ff"),
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]
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parts = []
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for label, v, _color in segs:
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n = max(1 if v > 0 else 0, round(v / total * width))
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parts.append(label * n)
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bar = "".join(parts)
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legend = " active %d%% · idle %d%% · powered-off %d%% · unknown %d%%" % (
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round(a / total * 100),
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round(i / total * 100),
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round(o / total * 100),
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round(u / total * 100),
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)
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return bar + "\n" + legend
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# ---------------------------------------------------------------------------
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# Bar graph glyphs and constants
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# ---------------------------------------------------------------------------
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_GLYPH_ALLOCATED = "\u2588" # \u2588 full block
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_GLYPH_UNALLOCATED = "\u2593" # \u2593 dark shade
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_GLYPH_GAP = "\u2591" # \u2591 light shade
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_GLYPH_ZERO = "\u00b7" # \u00b7 middle dot
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_GLYPH_PARTIAL = "\u258c" # \u258c left half block
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_RANGE_OPTIONS = (7, 14, 28, 90)
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_RANGE_DEFAULT = 14
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_BAR_HEIGHT = 6
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_BAR_WIDTH = 2
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_BAR_SPACING = 1
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# ---------------------------------------------------------------------------
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# Interactive daily bar graph widget
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# ---------------------------------------------------------------------------
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class DailyBarGraph(Widget):
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"""Interactive daily writes bar graph with hourly drill-down.
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Renders writes-only daily bars using block glyphs, supports keyboard
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and mouse navigation, range switching (7/14/28/90 days), day selection,
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and hourly drill-down. No plotting dependency (issue #75 AC5).
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"""
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can_focus = True
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can_focus_children = False
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CSS = """
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DailyBarGraph {
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height: 100%;
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width: 100%;
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layout: vertical;
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}
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#bar-range {
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height: 1;
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width: 100%;
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}
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#bar-render {
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height: 1fr;
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width: 100%;
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overflow: hidden;
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}
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#bar-legend {
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height: 1;
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width: 100%;
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}
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#bar-readout {
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height: 3;
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width: 100%;
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}
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"""
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def __init__(self, **kwargs: Any) -> None:
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super().__init__(**kwargs)
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self.range_days: int = _RANGE_DEFAULT
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self.selected_index: int = -1
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self.view_mode: str = "daily"
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self.drill_day: Optional[str] = None
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self._all_day_data: List[Dict[str, Any]] = []
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self._day_data: List[Dict[str, Any]] = []
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self._hour_data: List[Dict[str, Any]] = []
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self._max_bytes: int = 0
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self._hourly_selected: int = -1
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self._on_drill: Optional[Callable[[str], None]] = None
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def compose(self) -> ComposeResult:
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yield Static("", id="bar-range")
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yield Static("", id="bar-render")
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yield Static("", id="bar-legend")
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yield Static("", id="bar-readout")
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def set_data(
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self,
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day_data: List[Dict[str, Any]],
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on_drill: Any = None,
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) -> None:
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"""Update graph with day data. on_drill(day) called on drill entry."""
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self._all_day_data = day_data
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self._on_drill = on_drill
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self._trim_to_range()
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self.view_mode = "daily"
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self.drill_day = None
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self._hour_data = []
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self._hourly_selected = -1
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self._refresh()
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def set_hour_data(self, hour_data: List[Dict[str, Any]]) -> None:
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"""Set hourly data for drill-down view."""
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self._hour_data = hour_data
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self._hourly_selected = -1
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self._refresh_hourly()
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def _trim_to_range(self) -> None:
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self._day_data = (
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self._all_day_data[-self.range_days:]
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if len(self._all_day_data) > self.range_days
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else list(self._all_day_data)
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)
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# Bar height scales to allocated bytes only; unallocated are shown
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# separately so cross-day unknowns never inflate a day bar (AC3).
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self._max_bytes = max(
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(d.get("allocated_bytes", 0) for d in self._day_data), default=0
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)
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def _refresh(self) -> None:
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if not self._day_data:
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self._show_empty()
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return
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if self._is_constrained():
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self._show_constrained_summary()
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return
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self._render_range()
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self._render_bars()
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self._render_legend()
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self._render_readout()
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def _show_empty(self) -> None:
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self.query_one("#bar-range").update("[dim]usage history[/dim]")
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self.query_one("#bar-render").update("[dim]awaiting first sample[/dim]")
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self.query_one("#bar-legend").update("")
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self.query_one("#bar-readout").update("")
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def _is_constrained(self) -> bool:
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"""Return True when the widget is too narrow for the bar graph.
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At 80 columns with a 3fr:2fr grid split the pane content width is ~46
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(after round border + padding). Below 32 the bars become unreadable.
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"""
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try:
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w = self.region.width
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return 0 < w < 32
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except Exception:
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return False
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def _show_constrained_summary(self) -> None:
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"""Textual fallback for terminals below 80×24."""
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self.query_one("#bar-range").update("[dim]usage history[/dim]")
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if not self._day_data:
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self.query_one("#bar-render").update("[dim]graph needs ≥80×24[/dim]")
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self.query_one("#bar-legend").update("")
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self.query_one("#bar-readout").update("")
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return
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# Summarise visible days as text
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total_bytes = sum(d.get("total_bytes", 0) for d in self._day_data)
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days_with_data = sum(1 for d in self._day_data if d.get("total_bytes", 0) > 0)
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n = len(self._day_data)
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first = self._day_data[0].get("local_label", "")
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last = self._day_data[-1].get("local_label", "")
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self.query_one("#bar-render").update(
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"[dim]graph needs ≥80×24[/dim]\n"
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" %d days · %d with writes · %.3f GB total\n"
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" %s → %s" % (n, days_with_data, total_bytes / 1e9, first, last)
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)
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self.query_one("#bar-legend").update("")
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# Preserve selection readout
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if 0 <= self.selected_index < len(self._day_data):
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day = self._day_data[self.selected_index]
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self.query_one("#bar-readout").update(
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"[bold]%s[/bold] · %.3f GB"
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% (day.get("local_label", ""), day.get("total_bytes", 0) / 1e9)
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)
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else:
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self.query_one("#bar-readout").update("[dim]\u2190 \u2192 select[/dim]")
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def _show_constrained_hourly_summary(self) -> None:
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"""Textual fallback for hourly view when terminal is too small."""
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total_bytes = sum(h.get("bytes_written", 0) for h in self._hour_data)
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hours_with_data = sum(
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1 for h in self._hour_data if h.get("bytes_written", 0) > 0
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)
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n = len(self._hour_data)
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self.query_one("#bar-render").update(
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"[dim]graph needs ≥80×24[/dim]\n"
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" %d hours · %d with writes · %.3f GB total" % (n, hours_with_data, total_bytes / 1e9)
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)
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self.query_one("#bar-legend").update("")
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if 0 <= self._hourly_selected < len(self._hour_data):
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h = self._hour_data[self._hourly_selected]
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self.query_one("#bar-readout").update(
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"[bold]%s[/bold] \u00b7 %.3f GB"
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% (h.get("local_label", ""), h.get("bytes_written", 0) / 1e9)
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)
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else:
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self.query_one("#bar-readout").update("[dim]\u2190 \u2192 select hour[/dim]")
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def on_resize(self) -> None:
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"""Re-render when terminal size changes."""
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if self.view_mode == "daily":
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self._refresh()
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else:
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self._refresh_hourly()
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def _render_range(self) -> None:
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parts = []
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for r in _RANGE_OPTIONS:
|
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if r == self.range_days:
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parts.append("[bold]%d[/bold]" % r)
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else:
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parts.append(str(r))
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label = "range: " + " / ".join(parts)
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if self.view_mode == "hourly":
|
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label += " \u00b7 [bold]%s[/bold] \u00b7 esc back" % (self.drill_day or "")
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self.query_one("#bar-range").update(label)
|
||
|
||
def _render_bars(self) -> None:
|
||
visible = self._day_data
|
||
if not visible:
|
||
self.query_one("#bar-render").update("")
|
||
return
|
||
|
||
max_bytes = self._max_bytes or 1
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bar_h = _BAR_HEIGHT
|
||
n = len(visible)
|
||
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||
lines: List[str] = []
|
||
for row in range(bar_h, 0, -1):
|
||
line = ""
|
||
threshold = (row / bar_h) * max_bytes
|
||
for i, day in enumerate(visible):
|
||
allocated = day.get("allocated_bytes", 0)
|
||
is_zero = day.get("is_zero", False)
|
||
is_gap = day.get("is_gap", False)
|
||
is_partial = day.get("is_partial", False)
|
||
|
||
if is_zero and row == 1:
|
||
glyph = _GLYPH_ZERO
|
||
elif is_gap:
|
||
glyph = _GLYPH_GAP if row <= 2 else " "
|
||
elif allocated == 0:
|
||
glyph = " "
|
||
elif row == 1 and i == self.selected_index:
|
||
glyph = "\u25b6" # selection arrow
|
||
elif threshold > 0 and threshold <= allocated:
|
||
glyph = _GLYPH_ALLOCATED
|
||
elif is_partial and row == bar_h:
|
||
glyph = _GLYPH_PARTIAL
|
||
else:
|
||
glyph = " "
|
||
|
||
line += glyph * _BAR_WIDTH
|
||
if i < n - 1:
|
||
line += " " * _BAR_SPACING
|
||
|
||
lines.append(line)
|
||
|
||
# Unallocated indicator row: show ▓ for days with cross-day unknowns
|
||
unalloc_line = ""
|
||
has_unalloc = False
|
||
for i, day in enumerate(visible):
|
||
unalloc = day.get("unallocated_bytes", 0)
|
||
if unalloc > 0:
|
||
unalloc_line += _GLYPH_UNALLOCATED * _BAR_WIDTH
|
||
has_unalloc = True
|
||
else:
|
||
unalloc_line += " " * _BAR_WIDTH
|
||
if i < n - 1:
|
||
unalloc_line += " " * _BAR_SPACING
|
||
if has_unalloc:
|
||
lines.append(unalloc_line)
|
||
|
||
# Date labels
|
||
label_line = ""
|
||
for i, day in enumerate(visible):
|
||
label = day.get("local_label", day.get("day", ""))[-2:]
|
||
label_line += label
|
||
if i < n - 1:
|
||
label_line += " " * _BAR_SPACING
|
||
lines.append(label_line)
|
||
|
||
self.query_one("#bar-render").update("\n".join(lines))
|
||
|
||
def _render_legend(self) -> None:
|
||
legend = (
|
||
"%s alloc %s unalloc %s gap %s zero %s partial"
|
||
% (
|
||
_GLYPH_ALLOCATED,
|
||
_GLYPH_UNALLOCATED,
|
||
_GLYPH_GAP,
|
||
_GLYPH_ZERO,
|
||
_GLYPH_PARTIAL,
|
||
)
|
||
)
|
||
self.query_one("#bar-legend").update(legend)
|
||
|
||
def _render_readout(self) -> None:
|
||
if self.selected_index < 0 or self.selected_index >= len(self._day_data):
|
||
self.query_one("#bar-readout").update(
|
||
"[dim]\u2190 \u2192 select \u00b7 1-4 range \u00b7 Enter drill[/dim]"
|
||
)
|
||
return
|
||
|
||
day = self._day_data[self.selected_index]
|
||
total = day.get("total_bytes", 0)
|
||
allocated = day.get("allocated_bytes", 0)
|
||
unallocated = day.get("unallocated_bytes", 0)
|
||
coverage = day.get("coverage", 0)
|
||
hours = day.get("evidenced_hours", 0)
|
||
|
||
total_gb = total / 1e9
|
||
parts = [
|
||
"[bold]%s[/bold] \u00b7 %.3f GB total \u00b7 %d hours \u00b7 %.0f%% coverage"
|
||
% (
|
||
day.get("local_label", day.get("day", "")),
|
||
total_gb,
|
||
hours,
|
||
coverage * 100,
|
||
),
|
||
]
|
||
if unallocated > 0:
|
||
parts.append(
|
||
" allocated %.3f GB \u00b7 unallocated %.3f GB"
|
||
% (allocated / 1e9, unallocated / 1e9)
|
||
)
|
||
self.query_one("#bar-readout").update("\n".join(parts))
|
||
|
||
# -- Hourly drill-down rendering --
|
||
|
||
def _refresh_hourly(self) -> None:
|
||
if not self._hour_data:
|
||
self.query_one("#bar-render").update("[dim]no hourly data[/dim]")
|
||
return
|
||
|
||
self._render_range()
|
||
|
||
if self._is_constrained():
|
||
self._show_constrained_hourly_summary()
|
||
return
|
||
|
||
max_bytes = max(
|
||
(h.get("bytes_written", 0) for h in self._hour_data), default=0
|
||
) or 1
|
||
bar_h = _BAR_HEIGHT
|
||
n = len(self._hour_data)
|
||
|
||
lines: List[str] = []
|
||
for row in range(bar_h, 0, -1):
|
||
line = ""
|
||
threshold = (row / bar_h) * max_bytes
|
||
for i, hour in enumerate(self._hour_data):
|
||
bw = hour.get("bytes_written", 0)
|
||
is_zero = hour.get("is_zero", False)
|
||
|
||
if is_zero and row == 1:
|
||
glyph = _GLYPH_ZERO
|
||
elif bw == 0:
|
||
glyph = " "
|
||
elif row == 1 and i == self._hourly_selected:
|
||
glyph = "\u25b6"
|
||
elif threshold > 0 and threshold <= bw:
|
||
glyph = _GLYPH_ALLOCATED
|
||
else:
|
||
glyph = " "
|
||
|
||
line += glyph * _BAR_WIDTH
|
||
if i < n - 1:
|
||
line += " " * _BAR_SPACING
|
||
|
||
lines.append(line)
|
||
|
||
# Hour labels
|
||
label_line = ""
|
||
for i, hour in enumerate(self._hour_data):
|
||
label = hour.get("local_label", hour.get("hour", ""))[-2:]
|
||
label_line += label
|
||
if i < n - 1:
|
||
label_line += " " * _BAR_SPACING
|
||
lines.append(label_line)
|
||
|
||
self.query_one("#bar-render").update("\n".join(lines))
|
||
self.query_one("#bar-legend").update(
|
||
"%s writes \u00b7 %s zero" % (_GLYPH_ALLOCATED, _GLYPH_ZERO)
|
||
)
|
||
|
||
# Hourly readout
|
||
if 0 <= self._hourly_selected < len(self._hour_data):
|
||
h = self._hour_data[self._hourly_selected]
|
||
self.query_one("#bar-readout").update(
|
||
"[bold]%s[/bold] \u00b7 %.3f GB \u00b7 %d%% coverage"
|
||
% (
|
||
h.get("local_label", h.get("hour", "")),
|
||
h.get("bytes_written", 0) / 1e9,
|
||
h.get("coverage", 0) * 100,
|
||
)
|
||
)
|
||
else:
|
||
self.query_one("#bar-readout").update("[dim]\u2190 \u2192 select hour[/dim]")
|
||
|
||
# -- Event handling --
|
||
|
||
def on_key(self, event: Any) -> None:
|
||
if self.view_mode == "daily":
|
||
self._handle_daily_key(event)
|
||
else:
|
||
self._handle_hourly_key(event)
|
||
|
||
def _handle_daily_key(self, event: Any) -> None:
|
||
if event.key == "left":
|
||
if self.selected_index < 0:
|
||
self.selected_index = len(self._day_data) - 1
|
||
else:
|
||
self.selected_index = max(0, self.selected_index - 1)
|
||
self._refresh()
|
||
event.stop()
|
||
elif event.key == "right":
|
||
if self.selected_index < 0:
|
||
self.selected_index = 0
|
||
else:
|
||
self.selected_index = min(
|
||
len(self._day_data) - 1, self.selected_index + 1
|
||
)
|
||
self._refresh()
|
||
event.stop()
|
||
elif event.key == "enter" and self.selected_index >= 0:
|
||
self._enter_drill()
|
||
event.stop()
|
||
elif event.key in ("1", "2", "3", "4"):
|
||
self.range_days = _RANGE_OPTIONS[int(event.key) - 1]
|
||
self.selected_index = -1
|
||
self._trim_to_range()
|
||
self._refresh()
|
||
event.stop()
|
||
|
||
def _enter_drill(self) -> None:
|
||
if self.selected_index < 0 or self.selected_index >= len(self._day_data):
|
||
return
|
||
day = self._day_data[self.selected_index]
|
||
self.drill_day = day.get("day")
|
||
self.view_mode = "hourly"
|
||
self._hourly_selected = -1
|
||
if self._on_drill:
|
||
self._on_drill(self.drill_day)
|
||
self._render_range()
|
||
self.query_one("#bar-render").update("[dim]loading...[/dim]")
|
||
self.query_one("#bar-legend").update("")
|
||
self.query_one("#bar-readout").update("")
|
||
|
||
def _exit_drill(self) -> None:
|
||
self.view_mode = "daily"
|
||
self.drill_day = None
|
||
self._hour_data = []
|
||
self._hourly_selected = -1
|
||
self._refresh()
|
||
|
||
def _handle_hourly_key(self, event: Any) -> None:
|
||
if event.key in ("escape", "backspace"):
|
||
self._exit_drill()
|
||
event.stop()
|
||
elif event.key == "left":
|
||
if self._hourly_selected < 0:
|
||
self._hourly_selected = len(self._hour_data) - 1
|
||
else:
|
||
self._hourly_selected = max(0, self._hourly_selected - 1)
|
||
self._refresh_hourly()
|
||
event.stop()
|
||
elif event.key == "right":
|
||
if self._hourly_selected < 0:
|
||
self._hourly_selected = 0
|
||
else:
|
||
self._hourly_selected = min(
|
||
len(self._hour_data) - 1, self._hourly_selected + 1
|
||
)
|
||
self._refresh_hourly()
|
||
event.stop()
|
||
|
||
def on_click(self, event: Any) -> None:
|
||
render = self.query_one("#bar-render")
|
||
offset_x = event.x - render.region.x
|
||
bar_total = _BAR_WIDTH + _BAR_SPACING
|
||
idx = offset_x // bar_total
|
||
|
||
if self.view_mode == "daily":
|
||
if 0 <= idx < len(self._day_data):
|
||
self.selected_index = idx
|
||
self._refresh()
|
||
else:
|
||
if 0 <= idx < len(self._hour_data):
|
||
self._hourly_selected = idx
|
||
self._refresh_hourly()
|
||
|
||
|
||
# ---------------------------------------------------------------------------
|
||
# Graph data queries
|
||
# ---------------------------------------------------------------------------
|
||
|
||
def _query_daily_graph_data(
|
||
conn: sqlite3.Connection,
|
||
) -> List[Dict[str, Any]]:
|
||
"""Query day aggregates for the bar graph.
|
||
|
||
Returns one dict per day with total/allocated/unallocated bytes,
|
||
coverage, evidence hours, and classification flags.
|
||
"""
|
||
cursor = conn.execute(
|
||
"SELECT day, bytes_written_delta, unattributed_bytes_written, "
|
||
"coverage, sample_count, active_seconds, idle_seconds, "
|
||
"powered_off_seconds, unknown_seconds "
|
||
"FROM day_aggregates ORDER BY day"
|
||
)
|
||
rows = cursor.fetchall()
|
||
|
||
result: List[Dict[str, Any]] = []
|
||
for row in rows:
|
||
day = row[0]
|
||
bw_delta = row[1] or 0
|
||
unattributed = row[2] or 0
|
||
coverage = row[3] or 0.0
|
||
sample_count = row[4] or 0
|
||
active = row[5] or 0
|
||
idle = row[6] or 0
|
||
powered_off = row[7] or 0
|
||
unknown = row[8] or 0
|
||
|
||
total_bytes = bw_delta + unattributed
|
||
evidenced_hours = (active + idle + powered_off) // 3600
|
||
|
||
is_zero = total_bytes == 0
|
||
is_gap = (
|
||
sample_count == 0
|
||
and (active + idle + powered_off) == 0
|
||
and unknown > 0
|
||
)
|
||
is_partial = coverage < 0.5
|
||
|
||
result.append({
|
||
"day": day,
|
||
"local_label": day,
|
||
"total_bytes": total_bytes,
|
||
"allocated_bytes": bw_delta,
|
||
"unallocated_bytes": unattributed,
|
||
"coverage": coverage,
|
||
"evidenced_hours": evidenced_hours,
|
||
"sample_count": sample_count,
|
||
"is_zero": is_zero,
|
||
"is_gap": is_gap,
|
||
"is_partial": is_partial,
|
||
})
|
||
|
||
return result
|
||
|
||
|
||
def _query_hourly_graph_data(
|
||
conn: sqlite3.Connection,
|
||
day: str,
|
||
) -> List[Dict[str, Any]]:
|
||
"""Query hour observations for a specific day.
|
||
|
||
Returns one dict per hour with bytes written, coverage, and flags.
|
||
"""
|
||
cursor = conn.execute(
|
||
"SELECT hour, bytes_written_delta, coverage, sample_count, "
|
||
"active_seconds, idle_seconds, powered_off_seconds, unknown_seconds "
|
||
"FROM hour_observations "
|
||
"WHERE hour LIKE ? ORDER BY hour",
|
||
(day + "T%",),
|
||
)
|
||
rows = cursor.fetchall()
|
||
|
||
result: List[Dict[str, Any]] = []
|
||
for row in rows:
|
||
hour = row[0]
|
||
bw = row[1] or 0
|
||
coverage = row[2] or 0.0
|
||
sample_count = row[3] or 0
|
||
active = row[4] or 0
|
||
idle = row[5] or 0
|
||
powered_off = row[6] or 0
|
||
unknown = row[7] or 0
|
||
|
||
is_zero = bw == 0
|
||
local_label = hour[11:13] if len(hour) >= 13 else hour
|
||
|
||
result.append({
|
||
"hour": hour,
|
||
"local_label": local_label,
|
||
"bytes_written": bw,
|
||
"coverage": coverage,
|
||
"sample_count": sample_count,
|
||
"active_seconds": active,
|
||
"idle_seconds": idle,
|
||
"powered_off_seconds": powered_off,
|
||
"unknown_seconds": unknown,
|
||
"is_zero": is_zero,
|
||
})
|
||
|
||
return result
|
||
|
||
|
||
# ---------------------------------------------------------------------------
|
||
# Data queries for TUI regions
|
||
# ---------------------------------------------------------------------------
|
||
|
||
def _query_usage_history(conn: sqlite3.Connection) -> Dict[str, Any]:
|
||
"""Query usage-history data for the left pane."""
|
||
cursor = conn.execute(
|
||
"SELECT day, active_seconds, idle_seconds, powered_off_seconds, "
|
||
"unknown_seconds, bytes_written_delta, coverage "
|
||
"FROM day_aggregates ORDER BY day"
|
||
)
|
||
days = cursor.fetchall()
|
||
if not days:
|
||
return {
|
||
"sparkline": "",
|
||
"habit_bar": "",
|
||
"num_days": 0,
|
||
"min_gb": 0,
|
||
"max_gb": 0,
|
||
"habit_change": False,
|
||
"gap_days": [],
|
||
"day_labels": [],
|
||
}
|
||
|
||
bw_values = [d[5] for d in days]
|
||
total_a = sum(d[1] for d in days)
|
||
total_i = sum(d[2] for d in days)
|
||
total_o = sum(d[3] for d in days)
|
||
total_u = sum(d[4] for d in days)
|
||
total = total_a + total_i + total_o + total_u or 1
|
||
|
||
spark = _sparkline([b / 1e9 for b in bw_values]) # Convert to GB for display
|
||
bar = _habit_bar(total_a / total, total_i / total, total_o / total, total_u / total)
|
||
|
||
min_gb = min(bw_values) / 1e9 if bw_values else 0
|
||
max_gb = max(bw_values) / 1e9 if bw_values else 0
|
||
|
||
return {
|
||
"sparkline": spark,
|
||
"habit_bar": bar,
|
||
"num_days": len(days),
|
||
"min_gb": min_gb,
|
||
"max_gb": max_gb,
|
||
"habit_change": False,
|
||
"gap_days": [],
|
||
"day_labels": [d[0] for d in days],
|
||
}
|
||
|
||
|
||
def _query_drive_health(conn: sqlite3.Connection) -> Dict[str, Any]:
|
||
"""Query drive health data for the right pane."""
|
||
cursor = conn.execute(
|
||
"SELECT mn, sn, fr, temperature_c, available_spare, media_errors, "
|
||
"power_on_hours, power_cycles, unsafe_shutdowns, capacity_bytes, "
|
||
"percentage_used, data_units_written "
|
||
"FROM samples ORDER BY id DESC LIMIT 1"
|
||
)
|
||
row = cursor.fetchone()
|
||
if row is None:
|
||
return {
|
||
"model": "unknown",
|
||
"temp": 0,
|
||
"spare": 0,
|
||
"media_errors": 0,
|
||
"poh": 0,
|
||
"cycles": 0,
|
||
"unsafe_shutdowns": 0,
|
||
"capacity": "unknown",
|
||
"percentage_used": 0,
|
||
"written_tb": 0,
|
||
}
|
||
|
||
capacity = row[9]
|
||
capacity_str = "%d GB" % (capacity / 1e9) if capacity else "unknown"
|
||
written_tb = (row[11] * 512 * 1000) / 1e12 if row[11] else 0 # DUW to TB
|
||
|
||
return {
|
||
"model": row[0] or "unknown",
|
||
"temp": row[3] or 0,
|
||
"spare": row[4] or 0,
|
||
"media_errors": row[5] or 0,
|
||
"poh": row[6] or 0,
|
||
"cycles": row[7] or 0,
|
||
"unsafe_shutdowns": row[8] or 0,
|
||
"capacity": capacity_str,
|
||
"percentage_used": row[10] or 0,
|
||
"written_tb": written_tb,
|
||
}
|
||
|
||
|
||
def _query_service_facts(conn: sqlite3.Connection, clock_now: datetime) -> Dict[str, Any]:
|
||
"""Query service facts for the bottom strip."""
|
||
# Get freshness
|
||
cursor = conn.execute("SELECT ts FROM samples ORDER BY id DESC LIMIT 1")
|
||
row = cursor.fetchone()
|
||
newest_ts = row[0] if row else None
|
||
freshness = grade_freshness(newest_ts, clock_now)
|
||
|
||
# Get monitoring period
|
||
period = get_open_period(conn)
|
||
period_info = "no monitoring period"
|
||
if period:
|
||
period_info = "open since %s" % period["started_at"][:10]
|
||
|
||
# Get service state
|
||
try:
|
||
svc = query_service_state()
|
||
except Exception:
|
||
svc = {
|
||
"boot_enabled": False,
|
||
"timer_active": False,
|
||
"last_collect_ok": None,
|
||
"last_collect_age_s": None,
|
||
"last_collect_reason": None,
|
||
}
|
||
|
||
return {
|
||
"freshness": freshness,
|
||
"freshness_age_s": None,
|
||
"period": period_info,
|
||
"deliberately_paused": is_deliberately_paused(conn, svc),
|
||
**svc,
|
||
}
|
||
|
||
|
||
# ---------------------------------------------------------------------------
|
||
# Modal screens
|
||
# ---------------------------------------------------------------------------
|
||
|
||
class ConfirmPause(ModalScreen[bool]):
|
||
"""Pause asks for confirmation (spec §7.4, LC-6)."""
|
||
|
||
BINDINGS = [
|
||
Binding("y", "yes", "Pause"),
|
||
Binding("n", "no", "Cancel"),
|
||
Binding("escape", "no", "Cancel", show=False),
|
||
]
|
||
|
||
def compose(self) -> ComposeResult:
|
||
yield Static(
|
||
"[bold]Pause monitoring?[/bold]\n\n"
|
||
"This closes the current monitoring period.\n"
|
||
"Paused time is [bold]excluded[/bold] from your usage habit\n"
|
||
"(powered-off time would still count).\n\n"
|
||
"[dim]y pause · n cancel[/dim]",
|
||
id="confirm-text",
|
||
)
|
||
|
||
def action_yes(self) -> None:
|
||
self.dismiss(True)
|
||
|
||
def action_no(self) -> None:
|
||
self.dismiss(False)
|
||
|
||
|
||
class DisclosuresScreen(ModalScreen[None]):
|
||
"""Disclosures view with six verbatim disclosures (spec §6.11, CI-4)."""
|
||
|
||
BINDINGS = [
|
||
Binding("escape", "close", "Close"),
|
||
Binding("d", "close", "Close"),
|
||
]
|
||
|
||
def compose(self) -> ComposeResult:
|
||
text = format_disclosures()
|
||
yield Static(text + "\n\n[dim]esc to close[/dim]", id="disc-text")
|
||
|
||
def action_close(self) -> None:
|
||
self.dismiss()
|
||
|
||
|
||
# ---------------------------------------------------------------------------
|
||
# Main TUI App
|
||
# ---------------------------------------------------------------------------
|
||
|
||
class FenrisTuiApp(App):
|
||
"""Fenris Panes TUI — keyboard-first, one dense screen (spec §7)."""
|
||
|
||
TITLE = "Fenris — NVMe endurance monitor"
|
||
SUB_TITLE = ""
|
||
|
||
CSS = """
|
||
#main-grid {
|
||
layout: grid;
|
||
grid-size: 2 4;
|
||
grid-columns: 3fr 2fr;
|
||
grid-rows: 8 10 7 3;
|
||
height: auto;
|
||
}
|
||
#main-grid.paused {
|
||
grid-size: 2 5;
|
||
grid-rows: 8 5 10 7 3;
|
||
}
|
||
#dashboard-scroll { height: 1fr; }
|
||
#headline-band { column-span: 2; }
|
||
#paused-banner {
|
||
column-span: 2;
|
||
display: none;
|
||
background: $error 20%;
|
||
color: $text;
|
||
height: 100%;
|
||
}
|
||
#service-strip { column-span: 2; height: 100%; }
|
||
#quit-rail {
|
||
column-span: 2;
|
||
border: heavy $accent;
|
||
content-align: center middle;
|
||
height: 100%;
|
||
}
|
||
.pane { border: round #555555; padding: 0 1; height: 100%; }
|
||
#confirm-text { padding: 1 2; }
|
||
#disc-text { padding: 1 2; }
|
||
"""
|
||
|
||
BINDINGS = [
|
||
Binding("p", "pause", "Pause", show=False),
|
||
Binding("r", "resume", "Resume", show=False),
|
||
Binding("c", "collect", "Collect Now", show=False),
|
||
Binding("d", "disclose", "Disclosures", show=False),
|
||
Binding("q", "quit", "Quit", show=False),
|
||
]
|
||
|
||
def __init__(
|
||
self,
|
||
store_path: Optional[Path] = None,
|
||
config_path: Optional[Path] = None,
|
||
helper_path: Optional[str] = None,
|
||
refresh_interval_s: float = CADENCE_DEFAULT_S,
|
||
**kwargs,
|
||
) -> None:
|
||
super().__init__(**kwargs)
|
||
self.store_path = store_path or Path("/var/lib/fenris/observations.db")
|
||
self.config_path = config_path
|
||
self.helper_path = helper_path or "/usr/libexec/fenris/fenris-monitor"
|
||
self.refresh_interval_s = refresh_interval_s
|
||
self._show_auth_notice = True
|
||
self._conn: Optional[sqlite3.Connection] = None
|
||
self._clock_now = datetime.now(timezone.utc)
|
||
|
||
def compose(self) -> ComposeResult:
|
||
with VerticalScroll(id="dashboard-scroll"):
|
||
with Container(id="main-grid"):
|
||
yield Static("", id="headline-band", classes="pane")
|
||
yield Static("", id="paused-banner")
|
||
yield DailyBarGraph(id="usage-history", classes="pane")
|
||
yield Static("", id="drive-health", classes="pane")
|
||
yield Static("", id="service-strip", classes="pane")
|
||
yield Static("q QUIT TUI", id="quit-rail")
|
||
|
||
def on_mount(self) -> None:
|
||
"""Set border titles and render initial state."""
|
||
self.query_one("#headline-band").border_title = "headline"
|
||
self.query_one("#usage-history").border_title = "usage history"
|
||
self.query_one("#drive-health").border_title = "drive"
|
||
self.query_one("#service-strip").border_title = "service + actions"
|
||
self._refresh_timer = self.set_interval(
|
||
self.refresh_interval_s, self.on_refresh_tick
|
||
)
|
||
self._refresh()
|
||
|
||
def on_refresh_tick(self) -> None:
|
||
"""Refresh dashboard and dismiss launch-only authentication guidance."""
|
||
self._show_auth_notice = False
|
||
self._refresh()
|
||
|
||
def _headline_prefix(self) -> str:
|
||
"""Render identity and any launch-only guidance above drive state."""
|
||
lines = ["[bold]Fenris — NVMe endurance monitor[/bold]"]
|
||
if self._show_auth_notice:
|
||
lines.append("[dim]privileged actions will prompt for authentication (polkit)[/dim]")
|
||
return "\n".join(lines)
|
||
|
||
def _render_headline(self, body: str = "") -> None:
|
||
"""Render full-width identity, guidance, and current drive state."""
|
||
text = self._headline_prefix()
|
||
if body:
|
||
text += "\n\n" + body
|
||
self.query_one("#headline-band").update(text)
|
||
|
||
def _open_store(self) -> Optional[sqlite3.Connection]:
|
||
"""Open store read-only, handling faults."""
|
||
try:
|
||
return open_store_readonly(self.store_path)
|
||
except (StoreFault, NewerSchema):
|
||
return None
|
||
|
||
def _refresh(self) -> None:
|
||
"""Refresh all four regions from store data."""
|
||
self._clock_now = datetime.now(timezone.utc)
|
||
conn = self._open_store()
|
||
|
||
if conn is None:
|
||
self._render_empty_or_fault()
|
||
return
|
||
|
||
try:
|
||
self._conn = conn
|
||
self._render_all_regions(conn)
|
||
finally:
|
||
conn.close()
|
||
self._conn = None
|
||
|
||
def _render_empty_or_fault(self) -> None:
|
||
"""Render empty store greeting or store fault."""
|
||
self._hide_paused_banner()
|
||
if not self.store_path.exists():
|
||
# Empty store — greeting with enable hint (IN-3)
|
||
self._render_headline(
|
||
"[bold]No observations yet[/bold]\n\n"
|
||
"Enable monitoring: fenris monitor resume"
|
||
)
|
||
self.query_one("#usage-history").set_data([])
|
||
self.query_one("#drive-health").update("")
|
||
self.query_one("#service-strip").update(
|
||
"boot: disabled · timer: inactive · last collect: unknown · freshness: empty · "
|
||
"[dim]by Bongbetic[/dim]\n"
|
||
"[bold]CONTINUITY[/bold] %s\n"
|
||
"p pause · r resume · c collect · d disclosures"
|
||
% monitoring_continuity({"boot_enabled": False})
|
||
)
|
||
else:
|
||
# Store fault (FL-4)
|
||
self._render_headline(
|
||
"[bold red]Observation store unreadable[/bold red]\n"
|
||
"Check journalctl -u fenris-collect.service"
|
||
)
|
||
self.query_one("#usage-history").set_data([])
|
||
self.query_one("#drive-health").update("")
|
||
self.query_one("#service-strip").update(
|
||
"[dim]by Bongbetic[/dim]\n"
|
||
"p pause · r resume · c collect · d disclosures"
|
||
)
|
||
|
||
def _render_all_regions(self, conn: sqlite3.Connection) -> None:
|
||
"""Render all four regions from live store data."""
|
||
# --- Sample count for single-sample state (issue #73 AC3) ---
|
||
try:
|
||
cursor = conn.execute("SELECT COUNT(*) FROM samples")
|
||
sample_count = cursor.fetchone()[0]
|
||
cursor = conn.execute("SELECT COUNT(*) FROM day_aggregates")
|
||
day_count = cursor.fetchone()[0]
|
||
except Exception:
|
||
sample_count = 0
|
||
day_count = 0
|
||
|
||
# --- Headline band (§7.2) ---
|
||
if sample_count <= 1 and day_count == 0:
|
||
# Single sample: awaiting another sample
|
||
self._render_headline(
|
||
"[bold]Awaiting another sample[/bold]\n\n"
|
||
"Collecting usage data — the first projection requires at least two samples."
|
||
)
|
||
else:
|
||
try:
|
||
proj = compute_projection(conn, self._clock_now)
|
||
headline = self._format_headline(proj)
|
||
confidence = self._format_confidence(proj)
|
||
scenario = self._format_scenario(proj)
|
||
self._render_headline(headline + "\n" + confidence + "\n" + scenario)
|
||
except Exception:
|
||
self._render_headline("[bold]No projection available[/bold]")
|
||
|
||
# --- Usage-history pane (§7.2 left): interactive bar graph ---
|
||
graph = self.query_one("#usage-history")
|
||
day_data = _query_daily_graph_data(conn)
|
||
|
||
# Preserve drill-down state across refresh if still valid
|
||
if graph.view_mode == "hourly" and graph.drill_day:
|
||
saved_drill_day = graph.drill_day
|
||
hour_data = _query_hourly_graph_data(conn, saved_drill_day)
|
||
graph.set_data(day_data, on_drill=self._on_graph_drill)
|
||
graph.view_mode = "hourly"
|
||
graph.drill_day = saved_drill_day
|
||
graph.set_hour_data(hour_data)
|
||
else:
|
||
graph.set_data(day_data, on_drill=self._on_graph_drill)
|
||
|
||
# --- Drive-health pane (§7.2 right) ---
|
||
health = _query_drive_health(conn)
|
||
health_text = (
|
||
"[bold]Drive health[/bold] · %s\n"
|
||
" temperature %d°C · spare %d%%\n"
|
||
" media errors %d · unsafe shutdowns %d\n"
|
||
" power-on %d h · %d cycles · %s\n\n"
|
||
"[bold]Settings[/bold]\n"
|
||
" vendor wear: %d%% used · %.1f TB written"
|
||
) % (
|
||
health["model"],
|
||
health["temp"],
|
||
health["spare"],
|
||
health["media_errors"],
|
||
health["unsafe_shutdowns"],
|
||
health["poh"],
|
||
health["cycles"],
|
||
health["capacity"],
|
||
health["percentage_used"],
|
||
health["written_tb"],
|
||
)
|
||
self.query_one("#drive-health").update(health_text)
|
||
|
||
# --- Service strip (§7.2 bottom) ---
|
||
try:
|
||
svc = _query_service_facts(conn, self._clock_now)
|
||
boot = "enabled" if svc.get("boot_enabled") else "disabled"
|
||
activity = "active" if svc.get("timer_active") else "inactive"
|
||
collect = "ok" if svc.get("last_collect_ok") else "FAILED"
|
||
freshness = svc.get("freshness", "unknown")
|
||
self.query_one("#service-strip").update(
|
||
"boot: %s · timer: %s · last collect: %s · freshness: %s · "
|
||
"[dim]by Bongbetic[/dim]\n"
|
||
"[bold]CONTINUITY[/bold] %s\n"
|
||
"%s\n"
|
||
"p pause · r resume · c collect · d disclosures"
|
||
% (
|
||
boot, activity, collect, freshness,
|
||
monitoring_continuity(svc), svc.get("period", ""),
|
||
)
|
||
)
|
||
self._render_paused_banner(svc)
|
||
except Exception:
|
||
self._hide_paused_banner()
|
||
self.query_one("#service-strip").update(
|
||
"boot: unknown · timer: unknown · last collect: unknown · freshness: unknown · "
|
||
"[dim]by Bongbetic[/dim]\n"
|
||
"p pause · r resume · c collect · d disclosures"
|
||
)
|
||
|
||
def _render_paused_banner(self, service: Dict[str, Any]) -> None:
|
||
"""Show the high-contrast Deliberate disable block only when sanctioned."""
|
||
banner = self.query_one("#paused-banner")
|
||
if service.get("deliberately_paused"):
|
||
banner.update(
|
||
"[bold black on red]%s[/bold black on red]\n%s"
|
||
% tuple(deliberate_pause_lines())
|
||
)
|
||
banner.styles.display = "block"
|
||
main_grid = self.query_one("#main-grid")
|
||
main_grid.add_class("paused")
|
||
main_grid.refresh(layout=True)
|
||
else:
|
||
self._hide_paused_banner()
|
||
|
||
def _hide_paused_banner(self) -> None:
|
||
"""Ensure an unavailable store cannot retain a stale paused presentation."""
|
||
self.query_one("#paused-banner").styles.display = "none"
|
||
main_grid = self.query_one("#main-grid")
|
||
main_grid.remove_class("paused")
|
||
main_grid.refresh(layout=True)
|
||
|
||
def _on_graph_drill(self, day: str) -> None:
|
||
"""Load hourly data when the graph enters drill-down mode."""
|
||
graph = self.query_one("#usage-history")
|
||
try:
|
||
conn = self._open_store()
|
||
if conn is not None:
|
||
try:
|
||
hour_data = _query_hourly_graph_data(conn, day)
|
||
graph.set_hour_data(hour_data)
|
||
finally:
|
||
conn.close()
|
||
except Exception:
|
||
graph.set_hour_data([])
|
||
|
||
def _format_headline(self, proj: ProjectionResult) -> str:
|
||
"""Format the lifespan headline (spec §6.11)."""
|
||
if proj.headline_remaining_seconds is None:
|
||
if proj.zero_rate_fact:
|
||
return "[bold]Usage-adjusted theoretical lifespan: [red]no finite projection from this history[/red][/bold]"
|
||
if proj.warming_fact:
|
||
return "[bold]Usage-adjusted theoretical lifespan: [yellow]%s[/yellow][/bold]" % proj.warming_fact
|
||
return "[bold]Usage-adjusted theoretical lifespan: [red]no projection available[/red][/bold]"
|
||
|
||
remaining = _format_remaining(proj.headline_remaining_seconds)
|
||
regime = ""
|
||
if proj.regime_days:
|
||
regime = " · sustained regime: %d days" % proj.regime_days
|
||
return (
|
||
"[bold]Usage-adjusted theoretical lifespan: [white]%s remaining[/white][/bold]"
|
||
"\n if current habits continue%s" % (remaining, regime)
|
||
)
|
||
|
||
def _format_confidence(self, proj: ProjectionResult) -> str:
|
||
"""Format confidence state with contributing facts (spec §6.7)."""
|
||
color = {
|
||
ConfidenceState.SUPPORTED: "green",
|
||
ConfidenceState.LIMITED: "yellow",
|
||
ConfidenceState.UNSUPPORTED: "red",
|
||
}[proj.confidence_state]
|
||
facts = " · ".join(proj.contributing_facts[:3]) if proj.contributing_facts else "no facts"
|
||
|
||
# Issue #77: Show qualifying day progress for honesty
|
||
if proj.qualifying_days_progress:
|
||
facts = proj.qualifying_days_progress + " · " + facts
|
||
|
||
return "[bold]Projection confidence: [%s]%s[/%s][/bold]\n %s" % (
|
||
color,
|
||
proj.confidence_state.value,
|
||
color,
|
||
facts,
|
||
)
|
||
|
||
def _format_scenario(self, proj: ProjectionResult) -> str:
|
||
"""Format scenario range with horizon reasons (spec §6.5)."""
|
||
if not proj.scenario_range:
|
||
return ""
|
||
parts = []
|
||
for horizon in sorted(proj.scenario_range.rates.keys()):
|
||
rate_gb_day = proj.scenario_range.rates[horizon] * 86400 / 1e9
|
||
parts.append("%dd: %.2f GB/day" % (horizon, rate_gb_day))
|
||
for horizon, reason in sorted(proj.scenario_range.horizon_reasons.items()):
|
||
parts.append("%dd: %s" % (horizon, reason))
|
||
if not parts:
|
||
return ""
|
||
return "[bold]Scenario range[/bold] · %s" % " · ".join(parts)
|
||
|
||
# --- Actions ---
|
||
|
||
def action_pause(self) -> None:
|
||
"""Pause monitoring — asks for confirmation (spec §7.4, LC-6)."""
|
||
self.push_screen(ConfirmPause(), callback=self._pause_confirmed)
|
||
|
||
def _pause_confirmed(self, confirmed: bool) -> None:
|
||
if not confirmed:
|
||
return
|
||
# Route through fenris-monitor as terminal-attached subprocess (LC-6)
|
||
self._run_helper("disable", ["--now"])
|
||
|
||
def action_resume(self) -> None:
|
||
"""Resume monitoring — no confirmation (spec §7.4, LC-6)."""
|
||
self._run_helper("enable", ["--now"])
|
||
|
||
def action_collect(self) -> None:
|
||
"""Collect now — synchronous outcome (spec §8.7, LC-8)."""
|
||
self._run_helper("collect", blocking=True)
|
||
|
||
def action_disclose(self) -> None:
|
||
"""Show disclosures (spec §6.11, CI-4)."""
|
||
self.push_screen(DisclosuresScreen())
|
||
|
||
def _run_helper(
|
||
self,
|
||
operation: str,
|
||
extra_args: Optional[List[str]] = None,
|
||
blocking: bool = False,
|
||
) -> None:
|
||
"""Run fenris-monitor as terminal-attached subprocess (LC-6, LC-8).
|
||
|
||
The TUI suspends, polkit agent prompts on real terminal, control returns.
|
||
"""
|
||
cmd = [self.helper_path, operation]
|
||
if extra_args:
|
||
cmd.extend(extra_args)
|
||
|
||
try:
|
||
with self.suspend():
|
||
proc = subprocess.run(cmd, timeout=30)
|
||
if proc.returncode != 0:
|
||
self.notify(
|
||
"Operation failed (exit %d)" % proc.returncode,
|
||
severity="error",
|
||
)
|
||
except FileNotFoundError:
|
||
self.notify(
|
||
"Helper not found: %s" % self.helper_path,
|
||
severity="error",
|
||
)
|
||
except subprocess.TimeoutExpired:
|
||
self.notify("Operation timed out", severity="error")
|
||
except Exception as e:
|
||
self.notify("Error: %s" % e, severity="error")
|
||
|
||
# Refresh after action
|
||
self._refresh()
|
||
|
||
|
||
def run_tui(
|
||
store_path: Optional[Path] = None,
|
||
helper_path: Optional[str] = None,
|
||
) -> None:
|
||
"""Entry point for the Fenris TUI."""
|
||
app = FenrisTuiApp(
|
||
store_path=store_path,
|
||
helper_path=helper_path,
|
||
)
|
||
app.run()
|