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tart_health_agent: collect the worker_exit_69 semaphore #71

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Merged
rcurranmoz merged 1 commit into from
Aug 17, 2026
Merged

tart_health_agent: collect the worker_exit_69 semaphore #71

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8 changes: 8 additions & 0 deletions orchestrator/orchestrator/tart_health_agent.py
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Original file line number Diff line number Diff line change
Expand Up @@ -202,6 +202,12 @@ def _kv(text: str) -> dict[str, str]:
echo "guest_disk_gib=$(df -g / | awk 'NR==2{print $4}')"
echo "cfg_worker=$(sudo grep -m1 -oE 'mac-[0-9a-f]+' /opt/worker/generic-worker.conf.yaml 2>/dev/null)"
echo "guest_up_s=$(( $(date -u +%s) - $(sysctl -n kern.boottime | sed -n 's/^{ sec = \([0-9]*\).*/\1/p') ))"
# worker-runner.sh writes this the first time generic-worker exits 69 and deletes it on
# any other exit, so its presence means "the last worker exit was the disk-panic path"
# and its age means how long that has been true. Emitted only when present, so an
# absent file reads as None rather than 0 (0 would mean "just started looping").
S=/opt/worker/worker_exit_69
[ -f "$S" ] && echo "exit69_age_s=$(( $(date -u +%s) - $(stat -f %m "$S") ))"
"""
# NOTE the ANCHOR in that sed. kern.boottime prints
# { sec = 1786987025, usec = 7795 } Mon Aug 17 17:17:05 2026
Expand Down Expand Up @@ -343,6 +349,8 @@ def collect_host(host: str, tc: dict[str, dict[str, Any]], probe_guests: bool) -
s["configured_worker_id"] = g["cfg_worker"]
if g.get("guest_epoch", "").isdigit():
s["clock_skew_s"] = int(g["guest_epoch"]) - int(datetime.now(timezone.utc).timestamp())
if g.get("exit69_age_s", "").lstrip("-").isdigit():
s["worker_exit_69_age_s"] = int(g["exit69_age_s"])
if not g:
s["guest_reachable"] = False
elif ip is None:
Expand Down
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