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feat(monitoring): add GlitchTip health check and disk space monitoring

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- Add GlitchTip to health-check.sh monitoring endpoints
- Add native disk space checks for / and /Volumes/ManaData with 80%/90% thresholds
- Extend Prometheus disk alerts to include /host_mnt/Volumes/ManaData mountpoint
- Add ManaData disk usage gauge to Grafana system-overview dashboard

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Till JS 2026-03-23 09:33:09 +01:00
parent a12ec68fc2
commit c8de944c8d
3 changed files with 81 additions and 7 deletions
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49
docker/grafana/dashboards/system-overview.json
View file

@ -36,7 +36,7 @@
},
"overrides": []
},
"gridPos": { "h": 5, "w": 4, "x": 0, "y": 1 },
"gridPos": { "h": 5, "w": 3, "x": 0, "y": 1 },
"id": 21,
"options": {
"orientation": "auto",
@ -79,7 +79,7 @@
},
"overrides": []
},
"gridPos": { "h": 5, "w": 4, "x": 4, "y": 1 },
"gridPos": { "h": 5, "w": 3, "x": 3, "y": 1 },
"id": 22,
"options": {
"orientation": "auto",
@ -122,7 +122,7 @@
},
"overrides": []
},
"gridPos": { "h": 5, "w": 4, "x": 8, "y": 1 },
"gridPos": { "h": 5, "w": 3, "x": 6, "y": 1 },
"id": 23,
"options": {
"orientation": "auto",
@ -145,6 +145,49 @@
"title": "Disk Usage (/)",
"type": "gauge"
},
{
"datasource": { "type": "prometheus", "uid": "${datasource}" },
"fieldConfig": {
"defaults": {
"color": { "mode": "thresholds" },
"mappings": [],
"max": 100,
"min": 0,
"thresholds": {
"mode": "absolute",
"steps": [
{ "color": "green", "value": null },
{ "color": "yellow", "value": 70 },
{ "color": "red", "value": 85 }
]
},
"unit": "percent"
},
"overrides": []
},
"gridPos": { "h": 5, "w": 3, "x": 9, "y": 1 },
"id": 30,
"options": {
"orientation": "auto",
"reduceOptions": {
"calcs": ["lastNotNull"],
"fields": "",
"values": false
},
"showThresholdLabels": false,
"showThresholdMarkers": true
},
"pluginVersion": "10.0.0",
"targets": [
{
"datasource": { "type": "prometheus", "uid": "${datasource}" },
"expr": "100 - ((node_filesystem_avail_bytes{mountpoint=~\"/host_mnt/Volumes/ManaData\"} / node_filesystem_size_bytes{mountpoint=~\"/host_mnt/Volumes/ManaData\"}) * 100)",
"refId": "A"
}
],
"title": "Disk Usage (ManaData)",
"type": "gauge"
},
{
"datasource": { "type": "prometheus", "uid": "${datasource}" },
"fieldConfig": {

8
docker/prometheus/alerts.yml
View file

@ -122,8 +122,8 @@ groups:
# High Disk Usage (> 80%)
- alert: HighDiskUsage
expr: |
(1 - (node_filesystem_avail_bytes{mountpoint=~"/host_mnt/Users|/"}
/ node_filesystem_size_bytes{mountpoint=~"/host_mnt/Users|/"})) * 100 > 80
(1 - (node_filesystem_avail_bytes{mountpoint=~"/host_mnt/Users|/|/host_mnt/Volumes/ManaData"}
/ node_filesystem_size_bytes{mountpoint=~"/host_mnt/Users|/|/host_mnt/Volumes/ManaData"})) * 100 > 80
for: 10m
labels:
severity: warning
@ -134,8 +134,8 @@ groups:
# Very High Disk Usage (> 90%)
- alert: VeryHighDiskUsage
expr: |
(1 - (node_filesystem_avail_bytes{mountpoint=~"/host_mnt/Users|/"}
/ node_filesystem_size_bytes{mountpoint=~"/host_mnt/Users|/"})) * 100 > 90
(1 - (node_filesystem_avail_bytes{mountpoint=~"/host_mnt/Users|/|/host_mnt/Volumes/ManaData"}
/ node_filesystem_size_bytes{mountpoint=~"/host_mnt/Users|/|/host_mnt/Volumes/ManaData"})) * 100 > 90
for: 5m
labels:
severity: critical