mirror of
https://github.com/grafana/grafana.git
synced 2024-12-01 13:09:22 -06:00
79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
package searchV2
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/blugelabs/bluge"
|
|
"github.com/blugelabs/bluge/search"
|
|
"github.com/blugelabs/bluge/search/aggregations"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/client_golang/prometheus/promauto"
|
|
|
|
"github.com/grafana/grafana/pkg/infra/log"
|
|
"github.com/grafana/grafana/pkg/infra/tracing"
|
|
)
|
|
|
|
type usageGauge struct {
|
|
field string
|
|
gauge *prometheus.GaugeVec
|
|
}
|
|
|
|
var (
|
|
infoPanelUsage = promauto.NewGaugeVec(prometheus.GaugeOpts{
|
|
Name: "panel_type_usage",
|
|
Help: "a metric indicating how many panels across all dashboards use each plugin panel type",
|
|
Namespace: "grafana",
|
|
}, []string{"name"})
|
|
|
|
infoDatasourceUsage = promauto.NewGaugeVec(prometheus.GaugeOpts{
|
|
Name: "panel_datasource_usage",
|
|
Help: "indicates how many panels across all dashboards reference each datasource type",
|
|
Namespace: "grafana",
|
|
}, []string{"name"})
|
|
|
|
infoTransformerUsage = promauto.NewGaugeVec(prometheus.GaugeOpts{
|
|
Name: "panel_transformer_usage",
|
|
Help: "indicates how many panels use each transformer type",
|
|
Namespace: "grafana",
|
|
}, []string{"name"})
|
|
|
|
panelUsage = []usageGauge{
|
|
{field: documentFieldDSType, gauge: infoDatasourceUsage},
|
|
{field: documentFieldPanelType, gauge: infoPanelUsage},
|
|
{field: documentFieldTransformer, gauge: infoTransformerUsage},
|
|
}
|
|
)
|
|
|
|
func updateUsageStats(ctx context.Context, reader *bluge.Reader, logger log.Logger, tracer tracing.Tracer) {
|
|
ctx, span := tracer.Start(ctx, "searchV2 updateUsageStats")
|
|
defer span.End()
|
|
req := bluge.NewAllMatches(bluge.NewTermQuery("panel").SetField(documentFieldKind))
|
|
for _, usage := range panelUsage {
|
|
req.AddAggregation(usage.field, aggregations.NewTermsAggregation(search.Field(usage.field), 50))
|
|
}
|
|
|
|
// execute this search on the reader
|
|
documentMatchIterator, err := reader.Search(ctx, req)
|
|
if err != nil {
|
|
logger.Error("Error executing search", "err", err)
|
|
return
|
|
}
|
|
|
|
// need to iterate through the document matches, otherwise the aggregations are empty?
|
|
match, err := documentMatchIterator.Next()
|
|
for err == nil && match != nil {
|
|
match, err = documentMatchIterator.Next()
|
|
}
|
|
|
|
aggs := documentMatchIterator.Aggregations()
|
|
for _, usage := range panelUsage {
|
|
bucket := aggs.Buckets(usage.field)
|
|
for _, v := range bucket {
|
|
if v.Name() == "" {
|
|
continue
|
|
}
|
|
usage.gauge.WithLabelValues(v.Name()).Set(float64(v.Count()))
|
|
}
|
|
}
|
|
}
|