dda6a9d032
utility-101-shadow: - Add full monitoring stack (Prometheus + Blackbox Exporter + Alertmanager) with Docker Compose and a systemd unit (monitoring.service) - Prometheus scrapes: itself, blackbox-exporter, and node-exporter on the docker host (docker:9100); blackbox probes cover HTTPS endpoints with TLS cert monitoring - Alertmanager routes warnings to Slack/Discord, critical alerts also to email (Gmail SMTP); inhibit rule suppresses SSLCertExpiringSoon when SSLCertExpired already fires - Alert rules: 11 node-exporter alerts (host down, CPU, memory, disk fill/prediction, iowait, OOM kill, systemd failed units) + 3 blackbox alerts (probe failed, SSL expiring, SSL expired) - readme: add services list and Docker Engine installation steps docker host: - Add node-exporter container running with host pid/network and read-only mounts of /proc, /sys, / for full host metrics visibility - Enable --collector.systemd for systemd unit state metrics - Add systemd unit (node-exporter.service) to manage the container Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
16 lines
340 B
Desktop File
16 lines
340 B
Desktop File
[Unit]
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Description=Node Exporter
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After=docker.service network-online.target
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Requires=docker.service
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[Service]
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Type=oneshot
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RemainAfterExit=yes
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WorkingDirectory=/srv/docker/node-exporter
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ExecStart=/usr/bin/docker compose up -d --remove-orphans
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ExecStop=/usr/bin/docker compose down
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TimeoutStartSec=120
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[Install]
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WantedBy=multi-user.target
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