feat(monitoring): add nginx, postgres, valkey dashboards
This commit is contained in:
Clément Désiles
@@ -0,0 +1,84 @@
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{
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"title": "Nginx",
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"uid": "nginx-overview",
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"tags": ["nginx", "reverse-proxy"],
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"schemaVersion": 39,
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"version": 1,
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"refresh": "1m",
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"time": { "from": "now-6h", "to": "now" },
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"timezone": "browser",
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"editable": true,
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"graphTooltip": 1,
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"templating": {
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"list": [
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{
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"name": "instance",
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"label": "Host",
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"type": "query",
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"query": { "query": "label_values(up{job=\"nginx\"}, instance)", "refId": "A" },
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"refresh": 2,
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"multi": false,
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"includeAll": false,
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"sort": 1,
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"current": { "selected": false, "text": "", "value": "" }
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}
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]
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},
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"panels": [
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{
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"id": 1,
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"type": "stat",
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"title": "Active Connections",
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"gridPos": { "h": 4, "w": 6, "x": 0, "y": 0 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "short", "color": { "mode": "thresholds" } }, "overrides": [] },
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"options": { "reduceOptions": { "values": false, "calcs": ["lastNotNull"], "fields": "" }, "colorMode": "none", "graphMode": "none", "textMode": "auto", "justifyMode": "auto", "orientation": "auto" },
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"targets": [ { "refId": "A", "expr": "nginx_connections_active{instance=\"$instance\"}" } ]
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},
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{
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"id": 2,
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"type": "stat",
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"title": "Requests (6h)",
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"gridPos": { "h": 4, "w": 6, "x": 6, "y": 0 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "short", "color": { "mode": "thresholds" } }, "overrides": [] },
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"options": { "reduceOptions": { "values": false, "calcs": ["lastNotNull"], "fields": "" }, "colorMode": "none", "graphMode": "none", "textMode": "auto", "justifyMode": "auto", "orientation": "auto" },
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"targets": [ { "refId": "A", "expr": "sum(increase(nginx_http_requests_total{instance=\"$instance\"}[$__range]))" } ]
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},
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{
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"id": 3,
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"type": "timeseries",
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"title": "Request Rate",
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"gridPos": { "h": 4, "w": 12, "x": 12, "y": 0 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "reqps", "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [ { "refId": "A", "expr": "sum(rate(nginx_http_requests_total{instance=\"$instance\"}[$__rate_interval]))", "legendFormat": "requests/s" } ]
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},
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{
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"id": 4,
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"type": "timeseries",
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"title": "Connection States",
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 4 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "short", "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [
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{ "refId": "A", "expr": "nginx_connections_reading{instance=\"$instance\"}", "legendFormat": "reading" },
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{ "refId": "B", "expr": "nginx_connections_writing{instance=\"$instance\"}", "legendFormat": "writing" },
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{ "refId": "C", "expr": "nginx_connections_waiting{instance=\"$instance\"}", "legendFormat": "waiting" }
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]
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},
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{
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"id": 5,
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"type": "timeseries",
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"title": "Connections Accepted / Handled",
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"gridPos": { "h": 8, "w": 12, "x": 12, "y": 4 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "cps", "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 10, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [
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{ "refId": "A", "expr": "rate(nginx_connections_accepted{instance=\"$instance\"}[$__rate_interval])", "legendFormat": "accepted" },
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{ "refId": "B", "expr": "rate(nginx_connections_handled{instance=\"$instance\"}[$__rate_interval])", "legendFormat": "handled" }
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]
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}
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]
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}
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@@ -0,0 +1,79 @@
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{
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"title": "PostgreSQL",
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"uid": "postgres-overview",
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"tags": ["postgres", "database"],
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"schemaVersion": 39,
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"version": 1,
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"refresh": "1m",
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"time": { "from": "now-6h", "to": "now" },
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"timezone": "browser",
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"editable": true,
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"graphTooltip": 1,
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"templating": {
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"list": [
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{
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"name": "instance",
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"label": "Host",
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"type": "query",
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"query": { "query": "label_values(up{job=\"postgres\"}, instance)", "refId": "A" },
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"refresh": 2,
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"multi": false,
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"includeAll": false,
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"sort": 1,
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"current": { "selected": false, "text": "", "value": "" }
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}
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]
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},
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"panels": [
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{
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"id": 1,
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"type": "stat",
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"title": "Up",
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"gridPos": { "h": 4, "w": 6, "x": 0, "y": 0 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "none", "color": { "mode": "thresholds" }, "thresholds": { "mode": "absolute", "steps": [ { "color": "red", "value": null }, { "color": "green", "value": 1 } ] }, "mappings": [ { "type": "value", "options": { "0": { "text": "Down", "color": "red" }, "1": { "text": "Up", "color": "green" } } } ] }, "overrides": [] },
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"options": { "reduceOptions": { "values": false, "calcs": ["lastNotNull"], "fields": "" }, "colorMode": "background", "graphMode": "none", "textMode": "auto", "justifyMode": "auto", "orientation": "auto" },
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"targets": [ { "refId": "A", "expr": "pg_up{instance=\"$instance\"}" } ]
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},
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{
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"id": 2,
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"type": "timeseries",
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"title": "Active Connections",
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"gridPos": { "h": 4, "w": 18, "x": 6, "y": 0 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "short", "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [ { "refId": "A", "expr": "sum by (datname) (pg_stat_database_numbackends{instance=\"$instance\"})", "legendFormat": "{{datname}}" } ]
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},
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{
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"id": 3,
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"type": "timeseries",
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"title": "Cache Hit Ratio",
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 4 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "percentunit", "min": 0, "max": 1, "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [ { "refId": "A", "expr": "sum(rate(pg_stat_database_blks_hit{instance=\"$instance\"}[$__rate_interval])) / (sum(rate(pg_stat_database_blks_hit{instance=\"$instance\"}[$__rate_interval])) + sum(rate(pg_stat_database_blks_read{instance=\"$instance\"}[$__rate_interval])))", "legendFormat": "hit ratio" } ]
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},
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{
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"id": 4,
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"type": "timeseries",
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"title": "Transactions",
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"gridPos": { "h": 8, "w": 12, "x": 12, "y": 4 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "ops", "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 10, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [
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{ "refId": "A", "expr": "rate(pg_stat_database_xact_commit{instance=\"$instance\"}[$__rate_interval])", "legendFormat": "commit" },
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{ "refId": "B", "expr": "rate(pg_stat_database_xact_rollback{instance=\"$instance\"}[$__rate_interval])", "legendFormat": "rollback" }
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]
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},
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{
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"id": 5,
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"type": "timeseries",
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"title": "Deadlocks",
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 12 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "ops", "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [ { "refId": "A", "expr": "rate(pg_stat_database_deadlocks{instance=\"$instance\"}[$__rate_interval])", "legendFormat": "{{datname}}" } ]
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}
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]
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}
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@@ -0,0 +1,88 @@
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{
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"title": "Valkey",
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"uid": "valkey-overview",
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"tags": ["valkey", "redis", "cache"],
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"schemaVersion": 39,
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"version": 1,
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"refresh": "1m",
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"time": { "from": "now-6h", "to": "now" },
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"timezone": "browser",
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"editable": true,
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"graphTooltip": 1,
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"templating": {
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"list": [
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{
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"name": "instance",
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"label": "Host",
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"type": "query",
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"query": { "query": "label_values(up{job=\"valkey\"}, instance)", "refId": "A" },
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"refresh": 2,
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"multi": false,
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"includeAll": false,
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"sort": 1,
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"current": { "selected": false, "text": "", "value": "" }
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}
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]
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},
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"panels": [
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{
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"id": 1,
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"type": "stat",
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"title": "Up",
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"gridPos": { "h": 4, "w": 6, "x": 0, "y": 0 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "none", "color": { "mode": "thresholds" }, "thresholds": { "mode": "absolute", "steps": [ { "color": "red", "value": null }, { "color": "green", "value": 1 } ] }, "mappings": [ { "type": "value", "options": { "0": { "text": "Down", "color": "red" }, "1": { "text": "Up", "color": "green" } } } ] }, "overrides": [] },
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"options": { "reduceOptions": { "values": false, "calcs": ["lastNotNull"], "fields": "" }, "colorMode": "background", "graphMode": "none", "textMode": "auto", "justifyMode": "auto", "orientation": "auto" },
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"targets": [ { "refId": "A", "expr": "redis_up{instance=\"$instance\"}" } ]
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},
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{
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"id": 2,
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"type": "timeseries",
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"title": "Connected Clients",
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"gridPos": { "h": 4, "w": 18, "x": 6, "y": 0 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "short", "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [ { "refId": "A", "expr": "redis_connected_clients{instance=\"$instance\"}", "legendFormat": "clients" } ]
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},
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{
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"id": 3,
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"type": "timeseries",
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"title": "Memory",
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 4 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "bytes", "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [
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{ "refId": "A", "expr": "redis_memory_used_bytes{instance=\"$instance\"}", "legendFormat": "used" },
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{ "refId": "B", "expr": "redis_memory_max_bytes{instance=\"$instance\"}", "legendFormat": "max" }
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]
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},
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{
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"id": 4,
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"type": "timeseries",
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"title": "Ops/sec",
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"gridPos": { "h": 8, "w": 12, "x": 12, "y": 4 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "ops", "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [ { "refId": "A", "expr": "rate(redis_commands_processed_total{instance=\"$instance\"}[$__rate_interval])", "legendFormat": "ops/s" } ]
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},
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{
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"id": 5,
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"type": "timeseries",
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"title": "Cache Hit Rate",
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 12 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "percentunit", "min": 0, "max": 1, "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [ { "refId": "A", "expr": "rate(redis_keyspace_hits_total{instance=\"$instance\"}[$__rate_interval]) / (rate(redis_keyspace_hits_total{instance=\"$instance\"}[$__rate_interval]) + rate(redis_keyspace_misses_total{instance=\"$instance\"}[$__rate_interval]))", "legendFormat": "hit rate" } ]
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},
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{
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"id": 6,
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"type": "timeseries",
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"title": "Evicted Keys",
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"gridPos": { "h": 8, "w": 12, "x": 12, "y": 12 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "ops", "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [ { "refId": "A", "expr": "rate(redis_evicted_keys_total{instance=\"$instance\"}[$__rate_interval])", "legendFormat": "evicted/s" } ]
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}
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]
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}
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@@ -209,6 +209,25 @@
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mode: "0644"
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notify: Restart grafana
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- name: Remove legacy combined services dashboard
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ansible.builtin.file:
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path: "{{ grafana_provisioning_path }}/dashboards/services.json"
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state: absent
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notify: Restart grafana
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- name: Deploy services dashboards (nginx, postgres, valkey)
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ansible.builtin.copy:
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src: "{{ item }}"
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dest: "{{ grafana_provisioning_path }}/dashboards/{{ item }}"
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owner: "{{ grafana_user }}"
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group: "{{ grafana_group }}"
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mode: "0644"
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loop:
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- nginx-dashboard.json
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- postgres-dashboard.json
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- valkey-dashboard.json
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notify: Restart grafana
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# Service management
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- name: Enable and start Grafana service
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ansible.builtin.systemd:
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