mirror of
https://github.com/openziti/zrok.git
synced 2024-11-07 08:44:14 +01:00
59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
package controller
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import (
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"context"
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"fmt"
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"github.com/openziti/zrok/controller/store"
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)
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func sparkDataForShares(shrs []*store.Share) (map[string][]int64, error) {
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out := make(map[string][]int64)
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if len(shrs) > 0 {
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qapi := idb.QueryAPI(cfg.Influx.Org)
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result, err := qapi.Query(context.Background(), sparkFluxQuery(shrs))
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if err != nil {
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return nil, err
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}
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for result.Next() {
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combinedRate := int64(0)
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readRate := result.Record().ValueByKey("bytesRead")
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if readRate != nil {
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combinedRate += readRate.(int64)
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}
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writeRate := result.Record().ValueByKey("bytesWritten")
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if writeRate != nil {
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combinedRate += writeRate.(int64)
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}
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shrToken := result.Record().ValueByKey("share").(string)
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shrMetrics := out[shrToken]
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shrMetrics = append(shrMetrics, combinedRate)
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out[shrToken] = shrMetrics
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}
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}
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return out, nil
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}
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func sparkFluxQuery(shrs []*store.Share) string {
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shrFilter := "|> filter(fn: (r) =>"
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for i, shr := range shrs {
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if i > 0 {
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shrFilter += " or"
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}
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shrFilter += fmt.Sprintf(" r[\"share\"] == \"%v\"", shr.Token)
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}
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shrFilter += ")"
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query := "read = from(bucket: \"zrok\")" +
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"|> range(start: -5m)" +
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"|> filter(fn: (r) => r[\"_measurement\"] == \"xfer\")" +
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"|> filter(fn: (r) => r[\"_field\"] == \"bytesRead\" or r[\"_field\"] == \"bytesWritten\")" +
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"|> filter(fn: (r) => r[\"namespace\"] == \"frontend\")" +
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shrFilter +
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"|> aggregateWindow(every: 5s, fn: sum, createEmpty: true)\n" +
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"|> pivot(rowKey:[\"_time\"], columnKey: [\"_field\"], valueColumn: \"_value\")" +
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"|> yield(name: \"last\")"
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return query
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}
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