feat: unibus_exporter — daemon que sondea /healthz del cluster unibus y empuja estado+posture a VictoriaMetrics

Compone parse_unibus_health + format_prom_exposition + push_prom_remote del registry
(grupo fleet-metrics). Un solo exporter scrapea los 3 nodos por IP pública con la CA
del cluster; labels node/instance por serie. Config JSON con secretos fuera de argv.
Incluye systemd unit y unibus.example.json.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-06-07 20:23:21 +02:00
commit 92da0c0b0a
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[Unit]
Description=unibus cluster exporter (fleet_monitoring)
After=network-online.target
Wants=network-online.target
[Service]
Type=simple
ExecStart=/opt/unibus-exporter/unibus_exporter -config /etc/unibus-exporter/unibus.json
Restart=always
RestartSec=10
NoNewPrivileges=true
[Install]
WantedBy=multi-user.target