bvandeusen
faecac3ec6
Bounds Docker time-series growth (the main scaling concern). New docker_metrics_hourly table + docker_006 migration; a plugin retention module (docker.run_retention capability) rolls raw docker_metrics older than the raw window into hourly averages (idempotent upsert), deletes the rolled raw rows, then prunes stale rollups + lifecycle events. Core cleanup.py drives it each hourly run via the capability (no plugin-model import), reading the three retention windows fresh from settings so changes apply without restart (rule 25). Settings → "Thresholds & Retention" gains a Docker retention card (raw / rolled-up / events windows, working defaults 7/90/30 days). Unit tests cover the hour-aligned cutoff/bucketing helpers; integration test exercises the real rollup-average + prune across both windows. Milestone 77 task #941. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016Jg27rgypiW2efULXJDtMC
46 lines
2.0 KiB
Python
46 lines
2.0 KiB
Python
"""Unit tests for the docker plugin's retention cutoff/bucketing helpers.
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_hour_floor and _rollup_cutoff are pure (no DB); retention.py imports its models
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lazily inside run_docker_retention, so importing them here doesn't register ORM
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tables — safe for the no-DB unit lane. The DB-backed rollup/prune itself is
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covered in tests/integration/test_docker.py.
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"""
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from datetime import datetime, timedelta, timezone
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from plugins.docker.retention import _hour_floor, _rollup_cutoff
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def test_hour_floor_drops_sub_hour_components():
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dt = datetime(2026, 6, 19, 14, 37, 52, 123456, tzinfo=timezone.utc)
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assert _hour_floor(dt) == datetime(2026, 6, 19, 14, 0, 0, 0, tzinfo=timezone.utc)
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def test_hour_floor_on_exact_hour_is_identity():
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dt = datetime(2026, 6, 19, 14, 0, 0, tzinfo=timezone.utc)
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assert _hour_floor(dt) == dt
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def test_rollup_cutoff_is_hour_aligned():
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now = datetime(2026, 6, 19, 14, 37, 52, tzinfo=timezone.utc)
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cutoff = _rollup_cutoff(now, raw_days=7)
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# 7 days back from 14:37 is 14:37 on the 12th, floored to 14:00.
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assert cutoff == datetime(2026, 6, 12, 14, 0, 0, tzinfo=timezone.utc)
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# No sub-hour remainder — only whole elapsed hours get rolled up.
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assert cutoff.minute == 0 and cutoff.second == 0 and cutoff.microsecond == 0
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def test_rollup_cutoff_scales_with_raw_days():
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now = datetime(2026, 6, 19, 0, 0, 0, tzinfo=timezone.utc)
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assert _rollup_cutoff(now, 1) == now - timedelta(days=1)
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assert _rollup_cutoff(now, 30) == now - timedelta(days=30)
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def test_rollup_cutoff_sample_classification():
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"""A sample inside the raw window is kept; one before the aligned cutoff rolls up."""
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now = datetime(2026, 6, 19, 14, 37, 0, tzinfo=timezone.utc)
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cutoff = _rollup_cutoff(now, raw_days=7)
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recent = datetime(2026, 6, 19, 12, 0, 0, tzinfo=timezone.utc) # within window
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old = datetime(2026, 6, 10, 9, 0, 0, tzinfo=timezone.utc) # older than cutoff
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assert not (recent < cutoff) # kept raw
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assert old < cutoff # rolled up
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