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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,212 @@ | ||
| import { EmbeddedScene, PanelBuilders, SceneAppPage, SceneAppPageLike, SceneControlsSpacer, SceneFlexItem, SceneFlexLayout, SceneQueryRunner, SceneRefreshPicker, SceneRouteMatch, SceneTimePicker, VariableValueSelectors } from "@grafana/scenes"; | ||
| import { ROUTES } from "../../../../constants"; | ||
| import { prefixRoute } from "utils/utils.routing"; | ||
| import { usePluginProps } from "utils/utils.plugin"; | ||
| import { createTopLevelVariables, createTimeRange } from "../../../../common/variableHelpers"; | ||
| import { LabelFilters } from "common/queryHelpers"; | ||
| import { getPodsScene } from "pages/Workloads/tabs/Pods/Pods"; | ||
| import { Metrics } from "metrics/metrics"; | ||
| import { LegendDisplayMode } from "@grafana/schema"; | ||
|
|
||
| function getScene(node: string) { | ||
| return new EmbeddedScene({ | ||
| controls: [ | ||
| new VariableValueSelectors({}), | ||
| new SceneControlsSpacer(), | ||
| new SceneTimePicker({ isOnCanvas: true }), | ||
| new SceneRefreshPicker({ | ||
| intervals: ['5s', '1m', '1h'], | ||
| isOnCanvas: true, | ||
| }), | ||
| ], | ||
| body: new SceneFlexLayout({ | ||
| direction: 'column', | ||
| children: [ | ||
| new SceneFlexLayout({ | ||
| direction: 'row', | ||
| height: 300, | ||
| children: [ | ||
| new SceneFlexItem({ | ||
| body: getCPUPanel(node) | ||
| }), | ||
| new SceneFlexItem({ | ||
| body: getMemoryPanel(node) | ||
| }) | ||
| ] | ||
| }), | ||
| new SceneFlexLayout({ | ||
| direction: 'row', | ||
| children: [ | ||
| new SceneFlexItem({ | ||
| body: getPods(node) | ||
| }) | ||
| ] | ||
| }), | ||
| ] | ||
| }), | ||
| }) | ||
| } | ||
|
|
||
| function getCPUPanel(node: string) { | ||
| return PanelBuilders.timeseries() | ||
| .setTitle('CPU') | ||
| .setData(new SceneQueryRunner({ | ||
| datasource: { | ||
| uid: '$datasource', | ||
| type: 'prometheus', | ||
| }, | ||
| queries: [ | ||
| { | ||
| refId: 'cpu_total', | ||
| expr: ` | ||
| sum( | ||
| ${Metrics.machineCpuCores.name}{cluster=~"$cluster",instance=~"${node}.*"} | ||
| ) by (cluster)`, | ||
| legendFormat: 'Total' | ||
| }, | ||
| { | ||
| refId: 'cpu_usage', | ||
| // Calculate CPU usage in cores per node and sum it up to get the total usage across all nodes | ||
| expr: ` | ||
| ( | ||
| sum ( | ||
| rate( | ||
| ${Metrics.nodeCpuSecondsTotal.name}{ | ||
| ${Metrics.nodeCpuSecondsTotal.labels.mode}!="idle", | ||
| instance=~"${node}.*", | ||
| cluster="$cluster" | ||
| }[$__rate_interval] | ||
| ) | ||
| ) by(${Metrics.nodeCpuSecondsTotal.labels.instance}, cluster) | ||
| / | ||
| on (${Metrics.nodeCpuSecondsTotal.labels.instance}, cluster) group_left sum ( | ||
| ( | ||
| rate( | ||
| ${Metrics.nodeCpuSecondsTotal.name}{ | ||
| cluster="$cluster", | ||
| instance=~"${node}.*", | ||
| }[$__rate_interval] | ||
| ) | ||
| ) | ||
| ) by (${Metrics.nodeCpuSecondsTotal.labels.instance}, cluster) | ||
| ) | ||
| * count( | ||
| count( | ||
| node_cpu_seconds_total{ | ||
| cluster="$cluster", | ||
| instance=~"${node}.*", | ||
| } | ||
| ) by (cpu, cluster, instance) | ||
| ) by (cluster, instance) | ||
| `, | ||
| legendFormat: 'Usage' | ||
| }, | ||
| { | ||
| refId: 'cpu_requested', | ||
| expr: ` | ||
| sum( | ||
| kube_node_info{cluster=~"$cluster",internal_ip=~"${node}.*"} * on(node) group_right() | ||
| ${Metrics.kubePodContainerResourceRequests.name}{ | ||
| resource="cpu", | ||
| cluster=~"$cluster", | ||
| } | ||
| ) by (cluster)`, | ||
| legendFormat: 'Requested' | ||
| } | ||
| ], | ||
| })) | ||
| .setUnit('cores') | ||
| .setOption('legend', { displayMode: LegendDisplayMode.Table }) | ||
| .setOverrides((builder) => { | ||
| builder.matchFieldsByQuery('cpu_total') | ||
| .overrideCustomFieldConfig('lineStyle', { fill: 'dash', dash: [5, 5] }) | ||
| .overrideCustomFieldConfig('fillOpacity', 5) | ||
| builder.matchFieldsByQuery('cpu_requested') | ||
| .overrideCustomFieldConfig('lineStyle', { fill: 'dash', dash: [20, 5] }) | ||
| .overrideCustomFieldConfig('fillOpacity', 5) | ||
| }) | ||
| .build() | ||
| } | ||
|
|
||
| function getMemoryPanel(node: string) { | ||
| return PanelBuilders.timeseries() | ||
| .setTitle('Memory') | ||
| .setData(new SceneQueryRunner({ | ||
| datasource: { | ||
| uid: '$datasource', | ||
| type: 'prometheus', | ||
| }, | ||
| queries: [ | ||
| { | ||
| refId: 'memory_total', | ||
| expr: ` | ||
| sum( | ||
| ${Metrics.nodeMemoryMemTotalBytes.name}{cluster=~"$cluster", instance=~"${node}.*"} | ||
| ) by (cluster)`, | ||
| legendFormat: 'Total [{{cluster}}]' | ||
| }, | ||
| { | ||
| refId: 'memory_usage', | ||
| expr: ` | ||
| sum( | ||
| ${Metrics.nodeMemoryMemTotalBytes.name}{cluster=~"$cluster", instance=~"${node}.*"} | ||
| - | ||
| ${Metrics.nodeMemoryMemAvailableBytes.name}{cluster=~"$cluster", instance=~"${node}.*"} | ||
| ) by (cluster)`, | ||
| legendFormat: 'Used [{{cluster}}]' | ||
| }, | ||
| { | ||
| refId: 'memory_requested', | ||
| expr: ` | ||
| sum( | ||
| kube_node_info{cluster=~"$cluster",internal_ip=~"${node}.*"} * on(node) group_right() | ||
| ${Metrics.kubePodContainerResourceRequests.name}{ | ||
| resource="memory", | ||
| cluster=~"$cluster", | ||
| } | ||
| ) by (cluster)`, | ||
| legendFormat: 'Requested [{{cluster}}]' | ||
| } | ||
| ], | ||
| })) | ||
| .setUnit('bytes') | ||
| .setOption('legend', { displayMode: LegendDisplayMode.Table }) | ||
| .setOverrides((builder) => { | ||
| builder.matchFieldsByQuery('memory_total') | ||
| .overrideCustomFieldConfig('lineStyle', { fill: 'dash', dash: [5, 5] }) | ||
| .overrideCustomFieldConfig('fillOpacity', 5) | ||
| builder.matchFieldsByQuery('memory_requested') | ||
| .overrideCustomFieldConfig('lineStyle', { fill: 'dash', dash: [20, 5] }) | ||
| .overrideCustomFieldConfig('fillOpacity', 5) | ||
| }) | ||
| .build() | ||
| } | ||
|
|
||
| function getPods(node: string) { | ||
| const staticLabelFilters: LabelFilters = [ | ||
| { | ||
| label: 'host_ip', | ||
| op: '=~', | ||
| value: `${node}.*` | ||
| }, | ||
| ] | ||
|
|
||
| return getPodsScene(staticLabelFilters, false, false) | ||
| } | ||
|
|
||
| export function NodePage(routeMatch: SceneRouteMatch<any>, parent: SceneAppPageLike) { | ||
|
|
||
| const props = usePluginProps(); | ||
|
|
||
| return new SceneAppPage({ | ||
| title: `Node - ${routeMatch.params.name}`, | ||
| titleIcon: 'dashboard', | ||
| $variables: createTopLevelVariables({ | ||
| datasource: props?.meta.jsonData?.datasource || 'prometheus' | ||
| }), | ||
| $timeRange: createTimeRange(), | ||
| url: prefixRoute(`${ROUTES.Clusters}/nodes/${routeMatch.params.name}`), | ||
| getScene: () => getScene(routeMatch.params.name), | ||
| getParentPage: () => parent, | ||
| }) | ||
| } |
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