mirror of
https://github.com/openziti/zrok.git
synced 2024-12-04 22:11:13 +01:00
262 lines
8.6 KiB
Go
262 lines
8.6 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/go-openapi/runtime/middleware"
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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/openziti/zrok/rest_model_zrok"
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"github.com/openziti/zrok/rest_server_zrok/operations/metadata"
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"github.com/sirupsen/logrus"
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"time"
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)
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type getAccountMetricsHandler 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 newGetAccountMetricsHandler(cfg *metrics.InfluxConfig) *getAccountMetricsHandler {
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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 &getAccountMetricsHandler{
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cfg: cfg,
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idb: idb,
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queryApi: queryApi,
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}
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}
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func (h *getAccountMetricsHandler) Handle(params metadata.GetAccountMetricsParams, principal *rest_model_zrok.Principal) middleware.Responder {
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duration := 30 * 24 * time.Hour
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if params.Duration != nil {
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v, err := time.ParseDuration(*params.Duration)
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if err != nil {
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logrus.Errorf("bad duration '%v' for '%v': %v", *params.Duration, principal.Email, err)
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return metadata.NewGetAccountMetricsBadRequest()
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}
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duration = v
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}
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slice := sliceSize(duration)
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query := fmt.Sprintf("from(bucket: \"%v\")\n", h.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", principal.ID) +
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"|> drop(columns: [\"share\", \"envId\"])\n" +
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fmt.Sprintf("|> aggregateWindow(every: %v, fn: sum, createEmpty: true)", slice)
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rx, tx, timestamps, err := runFluxForRxTxArray(query, h.queryApi)
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if err != nil {
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logrus.Errorf("error running account metrics query for '%v': %v", principal.Email, err)
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return metadata.NewGetAccountMetricsInternalServerError()
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}
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response := &rest_model_zrok.Metrics{
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Scope: "account",
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ID: fmt.Sprintf("%d", principal.ID),
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Period: duration.Seconds(),
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}
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for i := 0; i < len(rx) && i < len(tx) && i < len(timestamps); i++ {
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response.Samples = append(response.Samples, &rest_model_zrok.MetricsSample{
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Rx: rx[i],
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Tx: tx[i],
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Timestamp: timestamps[i],
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})
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}
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return metadata.NewGetAccountMetricsOK().WithPayload(response)
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}
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type getEnvironmentMetricsHandler 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 newGetEnvironmentMetricsHandler(cfg *metrics.InfluxConfig) *getEnvironmentMetricsHandler {
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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 &getEnvironmentMetricsHandler{
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cfg: cfg,
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idb: idb,
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queryApi: queryApi,
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}
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}
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func (h *getEnvironmentMetricsHandler) Handle(params metadata.GetEnvironmentMetricsParams, principal *rest_model_zrok.Principal) middleware.Responder {
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trx, err := str.Begin()
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if err != nil {
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logrus.Errorf("error starting transaction: %v", err)
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return metadata.NewGetEnvironmentMetricsInternalServerError()
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}
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defer func() { _ = trx.Rollback() }()
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env, err := str.FindEnvironmentForAccount(params.EnvID, int(principal.ID), trx)
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if err != nil {
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logrus.Errorf("error finding environment '%s' for '%s': %v", params.EnvID, principal.Email, err)
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return metadata.NewGetEnvironmentMetricsUnauthorized()
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}
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duration := 30 * 24 * time.Hour
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if params.Duration != nil {
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v, err := time.ParseDuration(*params.Duration)
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if err != nil {
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logrus.Errorf("bad duration '%v' for '%v': %v", *params.Duration, principal.Email, err)
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return metadata.NewGetAccountMetricsBadRequest()
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}
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duration = v
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}
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slice := sliceSize(duration)
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query := fmt.Sprintf("from(bucket: \"%v\")\n", h.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", int64(env.Id)) +
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"|> drop(columns: [\"share\", \"acctId\"])\n" +
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fmt.Sprintf("|> aggregateWindow(every: %v, fn: sum, createEmpty: true)", slice)
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rx, tx, timestamps, err := runFluxForRxTxArray(query, h.queryApi)
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if err != nil {
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logrus.Errorf("error running account metrics query for '%v': %v", principal.Email, err)
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return metadata.NewGetAccountMetricsInternalServerError()
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}
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response := &rest_model_zrok.Metrics{
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Scope: "account",
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ID: fmt.Sprintf("%d", principal.ID),
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Period: duration.Seconds(),
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}
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for i := 0; i < len(rx) && i < len(tx) && i < len(timestamps); i++ {
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response.Samples = append(response.Samples, &rest_model_zrok.MetricsSample{
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Rx: rx[i],
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Tx: tx[i],
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Timestamp: timestamps[i],
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})
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}
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return metadata.NewGetEnvironmentMetricsOK().WithPayload(response)
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}
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type getShareMetricsHandler 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 newGetShareMetricsHandler(cfg *metrics.InfluxConfig) *getShareMetricsHandler {
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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 &getShareMetricsHandler{
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cfg: cfg,
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idb: idb,
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queryApi: queryApi,
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}
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}
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func (h *getShareMetricsHandler) Handle(params metadata.GetShareMetricsParams, principal *rest_model_zrok.Principal) middleware.Responder {
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trx, err := str.Begin()
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if err != nil {
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logrus.Errorf("error starting transaction: %v", err)
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return metadata.NewGetEnvironmentMetricsInternalServerError()
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}
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defer func() { _ = trx.Rollback() }()
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shr, err := str.FindShareWithToken(params.ShrToken, trx)
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if err != nil {
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logrus.Errorf("error finding share '%v' for '%v': %v", params.ShrToken, principal.Email, err)
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return metadata.NewGetShareMetricsUnauthorized()
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}
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env, err := str.GetEnvironment(shr.EnvironmentId, trx)
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if err != nil {
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logrus.Errorf("error finding environment '%d' for '%v': %v", shr.EnvironmentId, principal.Email, err)
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return metadata.NewGetShareMetricsUnauthorized()
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}
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if env.AccountId != nil && int64(*env.AccountId) != principal.ID {
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logrus.Errorf("user '%v' does not own share '%v'", principal.Email, params.ShrToken)
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return metadata.NewGetShareMetricsUnauthorized()
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}
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duration := 30 * 24 * time.Hour
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if params.Duration != nil {
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v, err := time.ParseDuration(*params.Duration)
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if err != nil {
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logrus.Errorf("bad duration '%v' for '%v': %v", *params.Duration, principal.Email, err)
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return metadata.NewGetAccountMetricsBadRequest()
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}
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duration = v
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}
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slice := sliceSize(duration)
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query := fmt.Sprintf("from(bucket: \"%v\")\n", h.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", shr.Token) +
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fmt.Sprintf("|> aggregateWindow(every: %v, fn: sum, createEmpty: true)", slice)
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rx, tx, timestamps, err := runFluxForRxTxArray(query, h.queryApi)
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if err != nil {
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logrus.Errorf("error running account metrics query for '%v': %v", principal.Email, err)
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return metadata.NewGetAccountMetricsInternalServerError()
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}
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response := &rest_model_zrok.Metrics{
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Scope: "account",
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ID: fmt.Sprintf("%d", principal.ID),
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Period: duration.Seconds(),
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}
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for i := 0; i < len(rx) && i < len(tx) && i < len(timestamps); i++ {
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response.Samples = append(response.Samples, &rest_model_zrok.MetricsSample{
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Rx: rx[i],
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Tx: tx[i],
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Timestamp: timestamps[i],
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})
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}
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return metadata.NewGetShareMetricsOK().WithPayload(response)
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}
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func runFluxForRxTxArray(query string, queryApi api.QueryAPI) (rx, tx, timestamps []float64, err error) {
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result, err := queryApi.Query(context.Background(), query)
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if err != nil {
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return nil, nil, nil, err
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}
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for result.Next() {
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switch result.Record().Field() {
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case "rx":
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rxV := int64(0)
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if v, ok := result.Record().Value().(int64); ok {
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rxV = v
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}
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rx = append(rx, float64(rxV))
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timestamps = append(timestamps, float64(result.Record().Time().UnixMilli()))
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case "tx":
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txV := int64(0)
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if v, ok := result.Record().Value().(int64); ok {
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txV = v
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}
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tx = append(tx, float64(txV))
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}
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}
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return rx, tx, timestamps, nil
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}
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func sliceSize(duration time.Duration) time.Duration {
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switch duration {
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case 30 * 24 * time.Hour:
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return 24 * time.Hour
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case 7 * 24 * time.Hour:
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return 4 * time.Hour
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case 24 * time.Hour:
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return 30 * time.Minute
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default:
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return duration
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}
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}
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