527 lines
17 KiB
Python
527 lines
17 KiB
Python
"""Shared status composition for TUI and CLI (issue #78, TPH-2/3).
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Centralizes the monitoring status lattice consumed by both surfaces.
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States: Monitoring, Collecting, Paused, Waiting, Interrupted, Error, Stale, Unknown.
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Precedence: Error > Interrupted > Paused > Stale > Waiting > Monitoring > Unknown.
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Collecting overlays every base except store fault.
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Freshness grading uses shared constants from status.py.
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"""
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import enum
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import sqlite3
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from dataclasses import dataclass, field
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from datetime import datetime, timedelta, timezone
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from typing import Any, Dict, List, Optional
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# Status poll interval (AC78-6): lightweight 5s systemctl show poll
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STATUS_POLL_INTERVAL_S = 5
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from .status import (
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FRESH_THRESHOLD_S,
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STALENESS_THRESHOLD_S,
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grade_freshness,
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freshness_age_human,
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is_deliberately_paused,
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monitoring_continuity,
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deliberate_pause_lines,
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open_store_readonly,
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StoreFault,
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NewerSchema,
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)
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# ---------------------------------------------------------------------------
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# Status state enum with glyph and label
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# ---------------------------------------------------------------------------
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class StatusState(enum.Enum):
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"""The eight monitoring status states (TPH-2)."""
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MONITORING = "monitoring"
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COLLECTING = "collecting"
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PAUSED = "paused"
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WAITING = "waiting"
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INTERRUPTED = "interrupted"
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ERROR = "error"
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STALE = "stale"
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UNKNOWN = "unknown"
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@property
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def glyph(self) -> str:
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_glyphs = {
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"monitoring": "●",
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"collecting": "◐",
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"paused": "‖",
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"waiting": "○",
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"interrupted": "⊘",
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"error": "✖",
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"stale": "◌",
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"unknown": "?",
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}
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return _glyphs[self.value]
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@property
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def label(self) -> str:
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return self.value.capitalize()
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# Precedence order: higher index = higher precedence
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_PRECEDENCE = [
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StatusState.UNKNOWN,
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StatusState.MONITORING,
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StatusState.WAITING,
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StatusState.STALE,
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StatusState.PAUSED,
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StatusState.INTERRUPTED,
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StatusState.ERROR,
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]
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_PRECEDENCE_RANK = {s: i for i, s in enumerate(_PRECEDENCE)}
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# ---------------------------------------------------------------------------
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# Status composition result
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# ---------------------------------------------------------------------------
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@dataclass
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class StatusComposition:
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"""The composed status result shared between TUI and CLI."""
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state: StatusState
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glyph: str
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label: str
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explanation: str
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# Separate facts (never folded into the status word)
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freshness: str = "unknown"
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freshness_age_s: Optional[int] = None
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last_collect_ok: Optional[bool] = None
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last_collect_age_s: Optional[int] = None
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last_collect_reason: Optional[str] = None
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boot_enabled: Optional[bool] = None
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timer_active: Optional[bool] = None
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deliberately_paused: bool = False
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pause_age_s: Optional[int] = None
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external_stop_reason: Optional[str] = None
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# Store fault / newer schema (suppress store-dependent views)
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store_fault: Optional[str] = None
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newer_schema: Optional[str] = None
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# Collecting overlay
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overlay_base: Optional[StatusState] = None
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# Sample counts for waiting explanations
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sample_count: int = 0
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day_count: int = 0
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# Whether the status dot should blink (only Monitoring)
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should_blink: bool = False
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# Continuity line
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continuity: str = ""
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# Paused lines (for TUI banner)
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paused_lines: List[str] = field(default_factory=list)
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# ---------------------------------------------------------------------------
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# Status composition logic
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# ---------------------------------------------------------------------------
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def _determine_base_state(
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freshness: str,
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sample_count: int,
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day_count: int,
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boot_enabled: Optional[bool],
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timer_active: Optional[bool],
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last_collect_ok: Optional[bool],
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deliberately_paused: bool,
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external_stop_reason: Optional[str],
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service_available: bool,
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) -> StatusState:
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"""Determine the base status state from facts.
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Precedence: Error > Interrupted > Paused > Stale > Waiting > Monitoring > Unknown.
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"""
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# Unknown: service query failed and no store-derived fact places us higher
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if not service_available:
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return StatusState.UNKNOWN
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# Error: last collect failed
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if last_collect_ok is False:
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return StatusState.ERROR
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# Interrupted: external stop (not user_disabled)
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if external_stop_reason is not None:
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return StatusState.INTERRUPTED
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# Paused: deliberate disable
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if deliberately_paused:
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return StatusState.PAUSED
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# Stale: timer active, no failure, but data ≥ 48h old
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if freshness == "stale" and timer_active and last_collect_ok is not False:
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return StatusState.STALE
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# Waiting: empty store, single sample, or fresh data but not yet enough evidence
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if sample_count == 0:
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return StatusState.WAITING
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if sample_count <= 1 and day_count == 0:
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return StatusState.WAITING
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# Monitoring: everything is fine
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return StatusState.MONITORING
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def _determine_explanation(
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state: StatusState,
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freshness: str,
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freshness_age_s: Optional[int],
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last_collect_ok: Optional[bool],
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last_collect_reason: Optional[str],
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sample_count: int,
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deliberately_paused: bool,
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store_fault: Optional[str],
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newer_schema: Optional[str],
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) -> str:
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"""Determine the explanation line for the status state."""
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if store_fault:
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return "observation store unreadable — see journal"
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if newer_schema:
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return "observation store written by a newer Fenris — upgrade Fenris"
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if state == StatusState.ERROR:
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parts = []
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if last_collect_ok is False:
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parts.append("last run failed")
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if last_collect_reason:
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parts.append("(%s)" % last_collect_reason)
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if freshness_age_s is not None and freshness != "empty":
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parts.append("· last good sample %s ago" % freshness_age_human(freshness_age_s))
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return " ".join(parts) if parts else "last run failed"
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if state == StatusState.INTERRUPTED:
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return "collection stopped outside Fenris — monitoring period still open"
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if state == StatusState.PAUSED:
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return "monitoring paused — paused time excluded from your usage habit"
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if state == StatusState.STALE:
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if freshness_age_s is not None:
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return "last sample %s ago" % freshness_age_human(freshness_age_s)
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return "data is stale"
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if state == StatusState.WAITING:
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if sample_count == 0:
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return "awaiting first sample"
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if sample_count <= 1:
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return "awaiting another sample"
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return "waiting for data"
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if state == StatusState.MONITORING:
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if freshness_age_s is not None:
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return "last sample %s ago" % freshness_age_human(freshness_age_s)
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return "monitoring active"
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if state == StatusState.UNKNOWN:
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return "service state unavailable"
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return ""
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def _determine_collecting_overlay(
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base_state: StatusState,
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last_collect_ok: Optional[bool],
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deliberately_paused: bool,
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store_fault: Optional[str],
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newer_schema: Optional[str],
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) -> str:
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"""Determine the explanation line when Collecting overlays a base state."""
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if store_fault or newer_schema:
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return "run in flight — store fault"
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if base_state == StatusState.PAUSED:
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return "run in flight — paused"
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if base_state == StatusState.INTERRUPTED:
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return "run in flight — interrupted"
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if base_state == StatusState.ERROR:
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return "run in flight — retry"
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if base_state == StatusState.STALE:
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return "run in flight — stale data"
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if base_state == StatusState.WAITING:
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return "run in flight"
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return "run in flight"
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def compose_status(
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conn: sqlite3.Connection,
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service: Optional[Dict[str, Any]],
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clock_now: datetime,
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store_fault: Optional[str] = None,
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newer_schema: Optional[str] = None,
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collecting: bool = False,
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reduced_motion: bool = False,
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) -> StatusComposition:
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"""Compose the shared status from service state and store data.
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This is the single entry point consumed by both TUI and CLI.
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"""
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service_available = service is not None and len(service) > 0
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# --- Separate facts from service ---
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boot_enabled = service.get("boot_enabled") if service_available else None
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timer_active = service.get("timer_active") if service_available else None
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last_collect_ok = service.get("last_collect_ok") if service_available else None
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last_collect_age_s = service.get("last_collect_age_s") if service_available else None
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last_collect_reason = service.get("last_collect_reason") if service_available else None
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# --- Freshness from store ---
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freshness = "unknown"
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freshness_age_s = None
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sample_count = 0
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day_count = 0
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deliberately_paused = False
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if store_fault is None and newer_schema is None:
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try:
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cursor = conn.execute("SELECT ts FROM samples ORDER BY id DESC LIMIT 1")
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row = cursor.fetchone()
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newest_ts = row[0] if row else None
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freshness = grade_freshness(newest_ts, clock_now)
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if newest_ts:
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try:
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ts = datetime.fromisoformat(newest_ts)
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if ts.tzinfo is None:
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ts = ts.replace(tzinfo=timezone.utc)
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else:
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ts = ts.astimezone(timezone.utc)
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freshness_age_s = int((clock_now - ts).total_seconds())
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except (ValueError, TypeError):
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pass
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except sqlite3.Error:
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freshness = "unknown"
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try:
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cursor = conn.execute("SELECT COUNT(*) FROM samples")
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sample_count = cursor.fetchone()[0]
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cursor = conn.execute("SELECT COUNT(*) FROM day_aggregates")
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day_count = cursor.fetchone()[0]
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except sqlite3.Error:
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pass
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try:
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svc_for_pause = service if service_available else {}
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deliberately_paused = is_deliberately_paused(conn, svc_for_pause)
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except sqlite3.Error:
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deliberately_paused = False
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# --- External stop detection ---
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# External stop = timer inactive + boot disabled + NOT deliberately paused
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# + period still open (the timer was stopped but Fenris didn't close the period)
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external_stop_reason = None
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if not deliberately_paused and timer_active is False and boot_enabled is False:
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# Check if there's an open monitoring period (external stop left it open)
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try:
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open_period = conn.execute(
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"SELECT 1 FROM monitoring_periods WHERE ended_at IS NULL LIMIT 1"
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).fetchone()
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if open_period is not None:
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external_stop_reason = "external_stop"
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except sqlite3.Error:
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pass
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# --- Determine base state ---
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# Store fault and newer schema always override to ERROR
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if store_fault is not None or newer_schema is not None:
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base_state = StatusState.ERROR
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else:
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base_state = _determine_base_state(
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freshness=freshness,
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sample_count=sample_count,
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day_count=day_count,
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boot_enabled=boot_enabled,
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timer_active=timer_active,
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last_collect_ok=last_collect_ok,
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deliberately_paused=deliberately_paused,
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external_stop_reason=external_stop_reason,
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service_available=service_available,
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)
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# --- Apply Collecting overlay ---
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state = base_state
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overlay_base = None
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explanation = ""
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if collecting and store_fault is None and newer_schema is None:
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# Collecting overlays every base except store fault
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overlay_base = base_state
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state = StatusState.COLLECTING
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explanation = _determine_collecting_overlay(
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base_state, last_collect_ok, deliberately_paused,
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store_fault, newer_schema,
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)
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else:
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explanation = _determine_explanation(
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base_state, freshness, freshness_age_s,
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last_collect_ok, last_collect_reason,
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sample_count, deliberately_paused,
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store_fault, newer_schema,
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)
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# --- Continuity line ---
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continuity = ""
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if service_available:
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continuity = monitoring_continuity(service)
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# --- Paused lines ---
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paused_lines = []
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if deliberately_paused:
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paused_lines = deliberate_pause_lines()
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# Determine blink flag: only Monitoring dot blinks, never text or other states
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should_blink = (state == StatusState.MONITORING and not reduced_motion)
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return StatusComposition(
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state=state,
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glyph=state.glyph,
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label=state.label,
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explanation=explanation,
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should_blink=should_blink,
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freshness=freshness,
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freshness_age_s=freshness_age_s,
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last_collect_ok=last_collect_ok,
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last_collect_age_s=last_collect_age_s,
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last_collect_reason=last_collect_reason,
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boot_enabled=boot_enabled,
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timer_active=timer_active,
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deliberately_paused=deliberately_paused,
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external_stop_reason=external_stop_reason,
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store_fault=store_fault,
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newer_schema=newer_schema,
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overlay_base=overlay_base,
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sample_count=sample_count,
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day_count=day_count,
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continuity=continuity,
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paused_lines=paused_lines,
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)
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# ---------------------------------------------------------------------------
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# CLI rendering (static, no styling)
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# ---------------------------------------------------------------------------
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def render_status_cli(comp: StatusComposition) -> str:
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"""Render the status composition as static CLI text."""
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lines = []
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# Status line
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lines.append("%s %s" % (comp.glyph, comp.label))
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# Explanation
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if comp.explanation:
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lines.append(comp.explanation)
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lines.append("")
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# Separate facts
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facts = []
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if comp.freshness != "unknown":
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facts.append("freshness: %s" % comp.freshness)
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if comp.freshness_age_s is not None:
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facts[-1] += " (%s)" % freshness_age_human(comp.freshness_age_s) if facts else "freshness: %s" % freshness_age_human(comp.freshness_age_s)
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if comp.last_collect_ok is True:
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facts.append("last collect: ok")
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elif comp.last_collect_ok is False:
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collect_str = "last collect: FAILED"
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if comp.last_collect_reason:
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collect_str += " (%s)" % comp.last_collect_reason
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facts.append(collect_str)
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else:
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facts.append("last collect: unknown")
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if comp.boot_enabled is not None:
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facts.append("boot: %s" % ("enabled" if comp.boot_enabled else "disabled"))
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if comp.timer_active is not None:
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facts.append("timer: %s" % ("active" if comp.timer_active else "inactive"))
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if facts:
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lines.append(" · ".join(facts))
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# Continuity
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if comp.continuity:
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lines.append("")
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lines.append("CONTINUITY: %s" % comp.continuity)
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# Deliberate pause
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if comp.paused_lines:
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for pl in comp.paused_lines:
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lines.append(pl)
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return "\n".join(lines)
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# ---------------------------------------------------------------------------
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# TUI rendering (with styling tokens)
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# ---------------------------------------------------------------------------
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def render_status_tui(comp: StatusComposition) -> str:
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"""Render the status composition as TUI text with Textual markup."""
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lines = []
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# Status line with color
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color = {
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StatusState.MONITORING: "green",
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StatusState.COLLECTING: "green",
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StatusState.PAUSED: "yellow",
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StatusState.WAITING: "yellow",
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StatusState.INTERRUPTED: "red",
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StatusState.ERROR: "red",
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StatusState.STALE: "red",
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StatusState.UNKNOWN: "dim",
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}[comp.state]
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lines.append("[%s]%s %s[/%s]" % (color, comp.glyph, comp.label, color))
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# Explanation
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if comp.explanation:
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lines.append(comp.explanation)
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lines.append("")
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# Separate facts
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facts = []
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if comp.freshness != "unknown":
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facts.append("freshness: %s" % comp.freshness)
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if comp.freshness_age_s is not None and facts:
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facts[-1] += " (%s)" % freshness_age_human(comp.freshness_age_s)
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if comp.last_collect_ok is True:
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facts.append("last collect: ok")
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elif comp.last_collect_ok is False:
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collect_str = "last collect: FAILED"
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if comp.last_collect_reason:
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collect_str += " (%s)" % comp.last_collect_reason
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facts.append(collect_str)
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else:
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facts.append("last collect: unknown")
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if comp.boot_enabled is not None:
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facts.append("boot: %s" % ("enabled" if comp.boot_enabled else "disabled"))
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if comp.timer_active is not None:
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facts.append("timer: %s" % ("active" if comp.timer_active else "inactive"))
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if facts:
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lines.append(" · ".join(facts))
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# Continuity
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if comp.continuity:
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lines.append("")
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lines.append("[bold]CONTINUITY[/bold] %s" % comp.continuity)
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# Deliberate pause
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if comp.paused_lines:
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for pl in comp.paused_lines:
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lines.append(pl)
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return "\n".join(lines)
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