feat: MongoDB 8, Grafana dashboard JSON, Prometheus scrape config
- Upgraded from MongoDB 4.4 to 8 (AVX now available) - Added grafana-dashboard.json with 4 rows: Overview stats, Host table, Volume/Duration trends, Time-since-last-backup - Updated compose.yaml and README
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3 changed files with 164 additions and 2 deletions
11
README.md
11
README.md
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@ -206,10 +206,19 @@ The UI follows **The Sentinel** design language:
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## Tech Stack
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## Tech Stack
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- **Backend:** Python 3.12, Flask, Gunicorn
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- **Backend:** Python 3.12, Flask, Gunicorn
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- **Database:** MongoDB 4.4+
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- **Database:** MongoDB 8
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- **Frontend:** Tailwind CSS, Vanilla JS, Material Symbols, Google Fonts
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- **Frontend:** Tailwind CSS, Vanilla JS, Material Symbols, Google Fonts
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- **No build step** – Tailwind loaded via CDN
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- **No build step** – Tailwind loaded via CDN
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## Grafana Dashboard
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Import `grafana-dashboard.json` into Grafana for a pre-built dashboard with:
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- Overview stat panels (Hosts OK, Stale, Errors, Volume, Backups Today)
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- Host status table with color-coded status, age, duration, size
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- Backup volume per host (stacked time series)
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- Backup duration per host
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- Time since last backup with threshold coloring (green/yellow/red)
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## License
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## License
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MIT
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MIT
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@ -8,11 +8,14 @@ services:
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environment:
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environment:
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- MONGO_URI=mongodb://mongo:27017
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- MONGO_URI=mongodb://mongo:27017
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- STALE_HOURS=26
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- STALE_HOURS=26
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# - API_KEY=your-secret-key
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# - WEBHOOK_URLS=https://n8n.example.com/webhook/backup-alert
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# - WEBHOOK_EVENTS=error,stale
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depends_on:
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depends_on:
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- mongo
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- mongo
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mongo:
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mongo:
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image: mongo:4.4
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image: mongo:8
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container_name: backup-mongo
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container_name: backup-mongo
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restart: always
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restart: always
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volumes:
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volumes:
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150
grafana-dashboard.json
Normal file
150
grafana-dashboard.json
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@ -0,0 +1,150 @@
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{
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"annotations": { "list": [] },
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"editable": true,
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"fiscalYearStartMonth": 0,
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"graphTooltip": 1,
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"id": null,
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"links": [],
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"panels": [
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{
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"collapsed": false,
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"gridPos": { "h": 1, "w": 24, "x": 0, "y": 0 },
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"title": "Overview",
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"type": "row"
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},
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{
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"datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
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"fieldConfig": { "defaults": { "color": { "mode": "thresholds" }, "thresholds": { "steps": [{ "color": "green", "value": null }] } } },
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"gridPos": { "h": 4, "w": 4, "x": 0, "y": 1 },
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"options": { "colorMode": "background_solid", "graphMode": "none", "textMode": "value_and_name", "reduceOptions": { "calcs": ["lastNotNull"] } },
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"targets": [{ "expr": "backup_hosts_total", "legendFormat": "Total Hosts" }],
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"title": "", "type": "stat"
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},
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{
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"datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
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"fieldConfig": { "defaults": { "color": { "mode": "thresholds" }, "thresholds": { "steps": [{ "color": "green", "value": null }] } } },
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"gridPos": { "h": 4, "w": 4, "x": 4, "y": 1 },
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"options": { "colorMode": "background_solid", "graphMode": "none", "textMode": "value_and_name", "reduceOptions": { "calcs": ["lastNotNull"] } },
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"targets": [{ "expr": "count(backup_host_status == 1)", "legendFormat": "Hosts OK" }],
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"title": "", "type": "stat"
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},
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{
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"datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
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"fieldConfig": { "defaults": { "color": { "mode": "thresholds" }, "thresholds": { "steps": [{ "color": "orange", "value": null }] } } },
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"gridPos": { "h": 4, "w": 4, "x": 8, "y": 1 },
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"options": { "colorMode": "background_solid", "graphMode": "none", "textMode": "value_and_name", "reduceOptions": { "calcs": ["lastNotNull"] } },
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"targets": [{ "expr": "count(backup_host_status == -1) or vector(0)", "legendFormat": "Stale" }],
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"title": "", "type": "stat"
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},
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{
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"datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
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"fieldConfig": { "defaults": { "color": { "mode": "thresholds" }, "thresholds": { "steps": [{ "color": "red", "value": null }] } } },
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"gridPos": { "h": 4, "w": 4, "x": 12, "y": 1 },
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"options": { "colorMode": "background_solid", "graphMode": "none", "textMode": "value_and_name", "reduceOptions": { "calcs": ["lastNotNull"] } },
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"targets": [{ "expr": "count(backup_host_status == 0) or vector(0)", "legendFormat": "Errors" }],
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"title": "", "type": "stat"
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},
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{
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"datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
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"fieldConfig": { "defaults": { "color": { "mode": "thresholds" }, "unit": "decbytes", "thresholds": { "steps": [{ "color": "blue", "value": null }] } } },
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"gridPos": { "h": 4, "w": 4, "x": 16, "y": 1 },
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"options": { "colorMode": "background_solid", "graphMode": "none", "textMode": "value_and_name", "reduceOptions": { "calcs": ["lastNotNull"] } },
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"targets": [{ "expr": "backup_today_bytes", "legendFormat": "Today Volume" }],
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"title": "", "type": "stat"
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},
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{
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"datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
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"fieldConfig": { "defaults": { "color": { "mode": "thresholds" }, "thresholds": { "steps": [{ "color": "purple", "value": null }] } } },
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"gridPos": { "h": 4, "w": 4, "x": 20, "y": 1 },
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"options": { "colorMode": "background_solid", "graphMode": "area", "textMode": "value_and_name", "reduceOptions": { "calcs": ["lastNotNull"] } },
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"targets": [{ "expr": "backup_today_total", "legendFormat": "Today Backups" }],
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"title": "", "type": "stat"
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},
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{
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"collapsed": false,
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"gridPos": { "h": 1, "w": 24, "x": 0, "y": 5 },
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"title": "Host Status",
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"type": "row"
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},
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{
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"datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
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"fieldConfig": {
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"defaults": {
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"custom": { "align": "auto", "cellOptions": { "type": "auto" }, "filterable": true },
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"mappings": [
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{ "options": { "1": { "color": "green", "text": "OK" }, "0": { "color": "red", "text": "ERROR" }, "-1": { "color": "orange", "text": "STALE" }, "-2": { "color": "text", "text": "DISABLED" } }, "type": "value" }
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]
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},
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"overrides": [
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{ "matcher": { "id": "byName", "options": "Status" }, "properties": [{ "id": "custom.cellOptions", "value": { "type": "color-text" } }] },
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{ "matcher": { "id": "byName", "options": "Age" }, "properties": [{ "id": "unit", "value": "s" }] },
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{ "matcher": { "id": "byName", "options": "Duration" }, "properties": [{ "id": "unit", "value": "s" }] },
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{ "matcher": { "id": "byName", "options": "Size" }, "properties": [{ "id": "unit", "value": "decbytes" }] },
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{ "matcher": { "id": "byName", "options": "Dedup" }, "properties": [{ "id": "unit", "value": "decbytes" }] }
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]
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},
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"gridPos": { "h": 10, "w": 24, "x": 0, "y": 6 },
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"options": { "showHeader": true, "sortBy": [{ "desc": false, "displayName": "Status" }] },
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"targets": [
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{ "expr": "backup_host_status", "legendFormat": "{{host}}", "instant": true, "format": "table", "refId": "status" },
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{ "expr": "backup_host_last_seconds", "legendFormat": "{{host}}", "instant": true, "format": "table", "refId": "age" },
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{ "expr": "backup_host_duration_seconds", "legendFormat": "{{host}}", "instant": true, "format": "table", "refId": "duration" },
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{ "expr": "backup_host_size_bytes", "legendFormat": "{{host}}", "instant": true, "format": "table", "refId": "size" },
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{ "expr": "backup_host_dedup_bytes", "legendFormat": "{{host}}", "instant": true, "format": "table", "refId": "dedup" }
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],
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"title": "All Hosts",
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"type": "table",
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"transformations": [
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{ "id": "joinByField", "options": { "byField": "host", "mode": "outer" } },
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{ "id": "organize", "options": {
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"renameByName": { "Value #status": "Status", "Value #age": "Age", "Value #duration": "Duration", "Value #size": "Size", "Value #dedup": "Dedup" },
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"excludeByName": { "Time": true, "Time 1": true, "Time 2": true, "Time 3": true, "Time 4": true, "__name__": true, "__name__ 1": true, "__name__ 2": true, "__name__ 3": true, "__name__ 4": true, "instance": true, "job": true }
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}}
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]
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},
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{
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"collapsed": false,
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"gridPos": { "h": 1, "w": 24, "x": 0, "y": 16 },
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"title": "Trends",
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"type": "row"
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},
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{
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"datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
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"fieldConfig": { "defaults": { "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "stacking": { "mode": "normal" } }, "unit": "decbytes" } },
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 17 },
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"options": { "legend": { "displayMode": "table", "placement": "bottom", "calcs": ["mean", "max"] }, "tooltip": { "mode": "multi" } },
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"targets": [{ "expr": "backup_host_size_bytes", "legendFormat": "{{host}}" }],
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"title": "Backup Volume per Host",
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"type": "timeseries"
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},
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{
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"datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
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"fieldConfig": { "defaults": { "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 10 }, "unit": "s" } },
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"gridPos": { "h": 8, "w": 12, "x": 12, "y": 17 },
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"options": { "legend": { "displayMode": "table", "placement": "bottom", "calcs": ["mean", "max"] }, "tooltip": { "mode": "multi" } },
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"targets": [{ "expr": "backup_host_duration_seconds", "legendFormat": "{{host}}" }],
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"title": "Backup Duration per Host",
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"type": "timeseries"
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},
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{
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"datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
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"fieldConfig": { "defaults": { "color": { "mode": "continuous-GrYlRd" }, "custom": { "fillOpacity": 70 }, "unit": "s", "thresholds": { "steps": [{ "color": "green", "value": null }, { "color": "yellow", "value": 43200 }, { "color": "red", "value": 93600 }] } } },
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"gridPos": { "h": 8, "w": 24, "x": 0, "y": 25 },
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"options": { "legend": { "displayMode": "list", "placement": "right" }, "tooltip": { "mode": "single" } },
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"targets": [{ "expr": "backup_host_last_seconds", "legendFormat": "{{host}}" }],
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"title": "Time Since Last Backup (green < 12h, yellow < 26h, red > 26h)",
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"type": "timeseries"
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}
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],
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"schemaVersion": 39,
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"tags": ["backup", "borgmatic", "sentinel"],
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"templating": {
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"list": [
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{ "current": {}, "hide": 0, "name": "DS_PROMETHEUS", "type": "datasource", "query": "prometheus" }
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]
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},
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"time": { "from": "now-24h", "to": "now" },
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"title": "🛡️ Backup Monitor – The Sentinel",
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"uid": "backup-sentinel",
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"version": 1
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}
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