From f89763bfca7f1e6edc2754f4a5ce20da85b0aec9 Mon Sep 17 00:00:00 2001
From: Florian Sesser <florian@private.storage>
Date: Sun, 10 Oct 2021 18:27:39 +0000
Subject: [PATCH] Monitoring: Add dashboard and alerting for used swap
Fixes privatestorageops#358.
---
.../resources-overview.json | 156 +++++++++++++++++-
1 file changed, 151 insertions(+), 5 deletions(-)
diff --git a/nixos/modules/monitoring/server/grafana-dashboards/resources-overview.json b/nixos/modules/monitoring/server/grafana-dashboards/resources-overview.json
index 5ecbcb9b..0b22728e 100644
--- a/nixos/modules/monitoring/server/grafana-dashboards/resources-overview.json
+++ b/nixos/modules/monitoring/server/grafana-dashboards/resources-overview.json
@@ -49,7 +49,7 @@
"fillGradient": 0,
"gridPos": {
"h": 7,
- "w": 8,
+ "w": 6,
"x": 0,
"y": 1
},
@@ -193,8 +193,8 @@
"fillGradient": 0,
"gridPos": {
"h": 7,
- "w": 8,
- "x": 8,
+ "w": 6,
+ "x": 6,
"y": 1
},
"hiddenSeries": false,
@@ -334,8 +334,8 @@
"fillGradient": 0,
"gridPos": {
"h": 7,
- "w": 8,
- "x": 16,
+ "w": 6,
+ "x": 12,
"y": 1
},
"hiddenSeries": false,
@@ -425,6 +425,152 @@
"alignLevel": null
}
},
+ {
+ "alert": {
+ "alertRuleTags": {},
+ "conditions": [
+ {
+ "evaluator": {
+ "params": [
+ 0.1
+ ],
+ "type": "gt"
+ },
+ "operator": {
+ "type": "and"
+ },
+ "query": {
+ "params": [
+ "A",
+ "5m",
+ "now"
+ ]
+ },
+ "reducer": {
+ "params": [],
+ "type": "avg"
+ },
+ "type": "query"
+ }
+ ],
+ "executionErrorState": "alerting",
+ "for": "5m",
+ "frequency": "1m",
+ "handler": 1,
+ "name": "Swap usage alert",
+ "noDataState": "no_data",
+ "notifications": []
+ },
+ "aliasColors": {},
+ "bars": false,
+ "dashLength": 10,
+ "dashes": false,
+ "datasource": null,
+ "description": "How much Swap is in use? Relative to available swap.",
+ "fieldConfig": {
+ "defaults": {},
+ "overrides": []
+ },
+ "fill": 1,
+ "fillGradient": 0,
+ "gridPos": {
+ "h": 7,
+ "w": 6,
+ "x": 18,
+ "y": 1
+ },
+ "hiddenSeries": false,
+ "id": 30,
+ "legend": {
+ "alignAsTable": false,
+ "avg": false,
+ "current": false,
+ "hideEmpty": false,
+ "hideZero": false,
+ "max": false,
+ "min": false,
+ "rightSide": false,
+ "show": false,
+ "total": false,
+ "values": false
+ },
+ "lines": true,
+ "linewidth": 1,
+ "nullPointMode": "null",
+ "options": {
+ "alertThreshold": true
+ },
+ "percentage": false,
+ "pluginVersion": "7.5.10",
+ "pointradius": 2,
+ "points": false,
+ "renderer": "flot",
+ "seriesOverrides": [],
+ "spaceLength": 10,
+ "stack": false,
+ "steppedLine": false,
+ "targets": [
+ {
+ "exemplar": true,
+ "expr": "1 - node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes",
+ "interval": "",
+ "intervalFactor": 1,
+ "legendFormat": "{{instance}}",
+ "refId": "A"
+ }
+ ],
+ "thresholds": [
+ {
+ "colorMode": "critical",
+ "fill": true,
+ "line": true,
+ "op": "gt",
+ "value": 0.1,
+ "visible": true
+ }
+ ],
+ "timeFrom": null,
+ "timeRegions": [],
+ "timeShift": null,
+ "title": "Swap used %",
+ "tooltip": {
+ "shared": true,
+ "sort": 2,
+ "value_type": "individual"
+ },
+ "type": "graph",
+ "xaxis": {
+ "buckets": null,
+ "mode": "time",
+ "name": null,
+ "show": true,
+ "values": []
+ },
+ "yaxes": [
+ {
+ "$$hashKey": "object:98",
+ "format": "percentunit",
+ "label": null,
+ "logBase": 1,
+ "max": "1",
+ "min": "0",
+ "show": true
+ },
+ {
+ "$$hashKey": "object:99",
+ "format": "short",
+ "label": null,
+ "logBase": 1,
+ "max": null,
+ "min": null,
+ "show": false
+ }
+ ],
+ "yaxis": {
+ "align": false,
+ "alignLevel": null
+ }
+ },
{
"collapsed": false,
"datasource": null,
--
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