Clément Désiles
12b81919c3
- grafana: postgres backend, provisioning (prometheus datasource + node/NUT dashboards) - prometheus: native service, scrape config via host_vars, localhost bind - node_exporter: host metrics exporter (localhost:9100)
148 lines
8.6 KiB
JSON
148 lines
8.6 KiB
JSON
{
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"title": "Node Exporter - Host Overview",
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"uid": "node-exporter-overview",
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"tags": ["node-exporter", "linux", "system"],
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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(node_uname_info, 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": "Uptime",
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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": "dtdurations", "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": "node_time_seconds{instance=\"$instance\"} - node_boot_time_seconds{instance=\"$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": "CPU Cores",
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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": "count(count by (cpu) (node_cpu_seconds_total{mode=\"idle\", instance=\"$instance\"}))" } ]
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},
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{
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"id": 3,
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"type": "stat",
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"title": "Load 1m",
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"gridPos": { "h": 4, "w": 6, "x": 12, "y": 0 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "short", "color": { "mode": "thresholds" } }, "overrides": [] },
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"options": { "reduceOptions": { "values": false, "calcs": ["lastNotNull"], "fields": "" }, "colorMode": "none", "graphMode": "none", "textMode": "auto", "justifyMode": "auto", "orientation": "auto" },
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"targets": [ { "refId": "A", "expr": "node_load1{instance=\"$instance\"}" } ]
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},
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{
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"id": 4,
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"type": "stat",
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"title": "Memory Used",
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"gridPos": { "h": 4, "w": 6, "x": 18, "y": 0 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "percent", "min": 0, "max": 100, "color": { "mode": "thresholds" }, "thresholds": { "mode": "absolute", "steps": [ { "color": "green", "value": null }, { "color": "orange", "value": 75 }, { "color": "red", "value": 90 } ] } }, "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": "100 * (1 - (node_memory_MemAvailable_bytes{instance=\"$instance\"} / node_memory_MemTotal_bytes{instance=\"$instance\"}))" } ]
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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": "CPU Usage",
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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": "percent", "min": 0, "max": 100, "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [ { "refId": "A", "expr": "100 - (avg by (instance) (rate(node_cpu_seconds_total{mode=\"idle\", instance=\"$instance\"}[$__rate_interval])) * 100)", "legendFormat": "CPU used" } ]
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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": "System Load",
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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": "short", "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": "node_load1{instance=\"$instance\"}", "legendFormat": "load1" },
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{ "refId": "B", "expr": "node_load5{instance=\"$instance\"}", "legendFormat": "load5" },
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{ "refId": "C", "expr": "node_load15{instance=\"$instance\"}", "legendFormat": "load15" }
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]
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},
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{
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"id": 7,
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"type": "timeseries",
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"title": "Memory Usage %",
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 12 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "percent", "min": 0, "max": 100, "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [ { "refId": "A", "expr": "100 * (1 - (node_memory_MemAvailable_bytes{instance=\"$instance\"} / node_memory_MemTotal_bytes{instance=\"$instance\"}))", "legendFormat": "Used %" } ]
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},
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{
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"id": 8,
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"type": "timeseries",
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"title": "Memory",
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"gridPos": { "h": 8, "w": 12, "x": 12, "y": 12 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "bytes", "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 20, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [
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{ "refId": "A", "expr": "node_memory_MemTotal_bytes{instance=\"$instance\"} - node_memory_MemAvailable_bytes{instance=\"$instance\"}", "legendFormat": "Used" },
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{ "refId": "B", "expr": "node_memory_Cached_bytes{instance=\"$instance\"} + node_memory_Buffers_bytes{instance=\"$instance\"}", "legendFormat": "Cached+Buffers" },
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{ "refId": "C", "expr": "node_memory_MemAvailable_bytes{instance=\"$instance\"}", "legendFormat": "Available" }
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]
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},
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{
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"id": 9,
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"type": "timeseries",
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"title": "Filesystem Usage %",
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 20 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "percent", "min": 0, "max": 100, "color": { "mode": "palette-classic" }, "custom": { "fillOpacity": 15, "lineWidth": 1, "drawStyle": "line", "showPoints": "never" } }, "overrides": [] },
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"targets": [ { "refId": "A", "expr": "100 * (1 - (node_filesystem_avail_bytes{instance=\"$instance\", fstype!~\"tmpfs|overlay|squashfs|ramfs\"} / node_filesystem_size_bytes{instance=\"$instance\", fstype!~\"tmpfs|overlay|squashfs|ramfs\"}))", "legendFormat": "{{mountpoint}}" } ]
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},
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{
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"id": 10,
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"type": "timeseries",
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"title": "Disk I/O",
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"gridPos": { "h": 8, "w": 12, "x": 12, "y": 20 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "Bps", "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(node_disk_read_bytes_total{instance=\"$instance\", device!~\"ram.*|loop.*\"}[$__rate_interval])", "legendFormat": "{{device}} read" },
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{ "refId": "B", "expr": "-rate(node_disk_written_bytes_total{instance=\"$instance\", device!~\"ram.*|loop.*\"}[$__rate_interval])", "legendFormat": "{{device}} write" }
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]
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},
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{
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"id": 11,
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"type": "timeseries",
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"title": "Network Traffic",
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"gridPos": { "h": 8, "w": 24, "x": 0, "y": 28 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "Bps", "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(node_network_receive_bytes_total{instance=\"$instance\", device!~\"lo|veth.*|cni.*|br-.*|docker.*\"}[$__rate_interval])", "legendFormat": "{{device}} in" },
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{ "refId": "B", "expr": "-rate(node_network_transmit_bytes_total{instance=\"$instance\", device!~\"lo|veth.*|cni.*|br-.*|docker.*\"}[$__rate_interval])", "legendFormat": "{{device}} out" }
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]
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}
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]
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}
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