Prometheus Panel builder

The Prometheus Panel builder is a simple wrapper to help creating panels that query a prometheus datasource.

Usage

package myDaC

import (
    panelBuilder "github.com/perses/perses/cue/dac-utils/prometheus/panel"
)

panelBuilder & {} // input parameters expected

Parameters

Parameter	Type	Mandatory/Optional	Default	Description
spec	PanelSpec	Mandatory		A PanelSpec object
#clause	"by" | "without" | ""	Optional	""	The aggregation clause for this panel's queries.
#clauseLabels	[...string]	Optional	[]	The labels on which to aggregate for this panel's queries.

the panel spec object can use the following string fields provided by the builder, via interpolation:

Field	Type	Description
#aggr	string	Aggregation clause built from the provided #clause and #clauseLabels. E.g by (namespace, pod)

Example

package myDaC

import (
    panelBuilder "github.com/perses/perses/cue/dac-utils/prometheus/panel"
    timeseriesChart "github.com/perses/perses/cue/schemas/panels/time-series:model"
    promQuery "github.com/perses/perses/cue/schemas/queries/prometheus:model"
)

#cpuPanel: this=panelBuilder & {
    #clause: "by"
    #clauseLabels: ["container"]

    spec: {
        display: name: "Container CPU"
        plugin: timeseriesChart
        queries: [
            {
                kind: "TimeSeriesQuery"
                spec: plugin: promQuery & {
                    spec: query: "sum \(this.#aggr) (container_cpu_usage_seconds{})"
                }
            },
        ]
    }
}

#cpuPanel