mirror of
https://github.com/openziti/zrok.git
synced 2024-11-25 09:33:43 +01:00
89 lines
3.0 KiB
Go
89 lines
3.0 KiB
Go
package limits
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import (
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"context"
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"fmt"
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influxdb2 "github.com/influxdata/influxdb-client-go/v2"
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"github.com/influxdata/influxdb-client-go/v2/api"
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"github.com/openziti/zrok/controller/metrics"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"strings"
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"time"
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)
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type influxReader struct {
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cfg *metrics.InfluxConfig
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idb influxdb2.Client
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queryApi api.QueryAPI
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}
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func newInfluxReader(cfg *metrics.InfluxConfig) *influxReader {
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idb := influxdb2.NewClient(cfg.Url, cfg.Token)
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queryApi := idb.QueryAPI(cfg.Org)
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return &influxReader{cfg, idb, queryApi}
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}
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func (r *influxReader) totalRxTxForAccount(acctId int64, duration time.Duration) (int64, int64, error) {
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query := fmt.Sprintf("from(bucket: \"%v\")\n", r.cfg.Bucket) +
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fmt.Sprintf("|> range(start: -%v)\n", duration) +
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"|> filter(fn: (r) => r[\"_measurement\"] == \"xfer\")\n" +
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"|> filter(fn: (r) => r[\"_field\"] == \"rx\" or r[\"_field\"] == \"tx\")\n" +
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"|> filter(fn: (r) => r[\"namespace\"] == \"backend\")\n" +
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fmt.Sprintf("|> filter(fn: (r) => r[\"acctId\"] == \"%d\")\n", acctId) +
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"|> drop(columns: [\"share\", \"envId\"])\n" +
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"|> sum()"
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return r.runQueryForRxTx(query)
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}
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func (r *influxReader) totalRxTxForEnvironment(envId int64, duration time.Duration) (int64, int64, error) {
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query := fmt.Sprintf("from(bucket: \"%v\")\n", r.cfg.Bucket) +
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fmt.Sprintf("|> range(start: -%v)\n", duration) +
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"|> filter(fn: (r) => r[\"_measurement\"] == \"xfer\")\n" +
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"|> filter(fn: (r) => r[\"_field\"] == \"rx\" or r[\"_field\"] == \"tx\")\n" +
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"|> filter(fn: (r) => r[\"namespace\"] == \"backend\")\n" +
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fmt.Sprintf("|> filter(fn: (r) => r[\"envId\"] == \"%d\")\n", envId) +
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"|> drop(columns: [\"share\", \"acctId\"])\n" +
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"|> sum()"
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return r.runQueryForRxTx(query)
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}
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func (r *influxReader) totalRxTxForShare(shrToken string, duration time.Duration) (int64, int64, error) {
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query := fmt.Sprintf("from(bucket: \"%v\")\n", r.cfg.Bucket) +
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fmt.Sprintf("|> range(start: -%v)\n", duration) +
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"|> filter(fn: (r) => r[\"_measurement\"] == \"xfer\")\n" +
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"|> filter(fn: (r) => r[\"_field\"] == \"rx\" or r[\"_field\"] == \"tx\")\n" +
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"|> filter(fn: (r) => r[\"namespace\"] == \"backend\")\n" +
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fmt.Sprintf("|> filter(fn: (r) => r[\"share\"] == \"%v\")\n", shrToken) +
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"|> sum()"
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return r.runQueryForRxTx(query)
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}
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func (r *influxReader) runQueryForRxTx(query string) (rx int64, tx int64, err error) {
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result, err := r.queryApi.Query(context.Background(), query)
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if err != nil {
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return -1, -1, err
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}
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count := 0
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for result.Next() {
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if v, ok := result.Record().Value().(int64); ok {
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switch result.Record().Field() {
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case "tx":
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tx = v
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case "rx":
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rx = v
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default:
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logrus.Warnf("field '%v'?", result.Record().Field())
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}
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} else {
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return -1, -1, errors.New("error asserting value type")
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}
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count++
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}
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if count != 0 && count != 2 {
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return -1, -1, errors.Errorf("expected 2 results; got '%d' (%v)", count, strings.ReplaceAll(query, "\n", ""))
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}
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return rx, tx, nil
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}
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