Title here
Summary here
Filter builder
The Filter builder helps generating a filter, a.k.a a labels matcher expression.
Usage
package myDaC
import (
promFilterBuilder "github.com/perses/perses/cue/dac-utils/prometheus/filter"
)
promFilterBuilder & {} // input parameters expectedParameters
| Parameter | Type | Mandatory/Optional | Default | Description |
|---|---|---|---|---|
#input | […varBuilder] | Mandatory | The list of variables builders from which to generate the filter. |
Output
| Field | Type | Description |
|---|---|---|
filter | string | A labels matcher expression, that covers all the variables previously passed. E.g {namespace="$namespace",pod="$pod",container="$container"} |
Example
package myDaC
import (
promFilterBuilder "github.com/perses/perses/cue/dac-utils/prometheus/filter"
textVarBuilder "github.com/perses/perses/cue/dac-utils/variable/text"
promQLVarBuilder "github.com/perses/perses/cue/dac-utils/prometheus/variable/promql"
labelValuesVarBuilder "github.com/perses/perses/cue/dac-utils/prometheus/variable/labelvalues"
)
{promFilterBuilder & {
#input: [
textVarBuilder & {
#name: "prometheus"
#value: "platform"
#constant: true
},
labelValuesVarBuilder & {
#name: "stack"
#display: name: "PaaS"
#metric: "thanos_build_info"
#label: "stack"
#datasourceName: "promDemo"
},
promQLVarBuilder & {
#name: "namespace"
#metric: "kube_namespace_labels"
#allowMultiple: true
#datasourceName: "promDemo"
}
]
}}.filter