share metrics handler (#319)

This commit is contained in:
Michael Quigley 2023-05-09 16:47:22 -04:00
parent 02c996b545
commit 3f8c939adb
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@ -77,7 +77,7 @@ type getEnvironmentMetricsHandler struct {
queryApi api.QueryAPI queryApi api.QueryAPI
} }
func newGetEnvironmentMetricsHAndler(cfg *metrics.InfluxConfig) *getEnvironmentMetricsHandler { func newGetEnvironmentMetricsHandler(cfg *metrics.InfluxConfig) *getEnvironmentMetricsHandler {
idb := influxdb2.NewClient(cfg.Url, cfg.Token) idb := influxdb2.NewClient(cfg.Url, cfg.Token)
queryApi := idb.QueryAPI(cfg.Org) queryApi := idb.QueryAPI(cfg.Org)
return &getEnvironmentMetricsHandler{ return &getEnvironmentMetricsHandler{
@ -146,6 +146,85 @@ func (h *getEnvironmentMetricsHandler) Handle(params metadata.GetEnvironmentMetr
return metadata.NewGetEnvironmentMetricsOK().WithPayload(response) return metadata.NewGetEnvironmentMetricsOK().WithPayload(response)
} }
type getShareMetricsHandler struct {
cfg *metrics.InfluxConfig
idb influxdb2.Client
queryApi api.QueryAPI
}
func newGetShareMetricsHandler(cfg *metrics.InfluxConfig) *getShareMetricsHandler {
idb := influxdb2.NewClient(cfg.Url, cfg.Token)
queryApi := idb.QueryAPI(cfg.Org)
return &getShareMetricsHandler{
cfg: cfg,
idb: idb,
queryApi: queryApi,
}
}
func (h *getShareMetricsHandler) Handle(params metadata.GetShareMetricsParams, principal *rest_model_zrok.Principal) middleware.Responder {
trx, err := str.Begin()
if err != nil {
logrus.Errorf("error starting transaction: %v", err)
return metadata.NewGetEnvironmentMetricsInternalServerError()
}
defer func() { _ = trx.Rollback() }()
shr, err := str.FindShareWithToken(params.ShrToken, trx)
if err != nil {
logrus.Errorf("error finding share '%v' for '%v': %v", params.ShrToken, principal.Email, err)
return metadata.NewGetShareMetricsUnauthorized()
}
env, err := str.GetEnvironment(shr.EnvironmentId, trx)
if err != nil {
logrus.Errorf("error finding environment '%d' for '%v': %v", shr.EnvironmentId, principal.Email, err)
return metadata.NewGetShareMetricsUnauthorized()
}
if int64(env.Id) != principal.ID {
logrus.Errorf("user '%v' does not own share '%v'", principal.Email, params.ShrToken)
return metadata.NewGetShareMetricsUnauthorized()
}
duration := 30 * 24 * time.Hour
if params.Duration != nil {
v, err := time.ParseDuration(*params.Duration)
if err != nil {
logrus.Errorf("bad duration '%v' for '%v': %v", params.Duration, principal.Email, err)
return metadata.NewGetAccountMetricsBadRequest()
}
duration = v
}
slice := duration / 200
query := fmt.Sprintf("from(bucket: \"%v\")\n", h.cfg.Bucket) +
fmt.Sprintf("|> range(start: -%v)\n", duration) +
"|> filter(fn: (r) => r[\"_measurement\"] == \"xfer\")\n" +
"|> filter(fn: (r) => r[\"_field\"] == \"rx\" or r[\"_field\"] == \"tx\")\n" +
"|> filter(fn: (r) => r[\"namespace\"] == \"backend\")\n" +
fmt.Sprintf("|> filter(fn: (r) => r[\"share\"] == \"%v\")\n", shr.Token) +
fmt.Sprintf("|> aggregateWindow(every: %v, fn: sum, createEmpty: true)", slice)
rx, tx, timestamps, err := runFluxForRxTxArray(query, h.queryApi)
if err != nil {
logrus.Errorf("error running account metrics query for '%v': %v", principal.Email, err)
return metadata.NewGetAccountMetricsInternalServerError()
}
response := &rest_model_zrok.Metrics{
Scope: "account",
ID: fmt.Sprintf("%d", principal.ID),
Period: duration.Seconds(),
}
for i := 0; i < len(rx) && i < len(tx) && i < len(timestamps); i++ {
response.Samples = append(response.Samples, &rest_model_zrok.MetricsSample{
Rx: rx[i],
Tx: tx[i],
Timestamp: timestamps[i],
})
}
return metadata.NewGetShareMetricsOK().WithPayload(response)
}
func runFluxForRxTxArray(query string, queryApi api.QueryAPI) (rx, tx, timestamps []float64, err error) { func runFluxForRxTxArray(query string, queryApi api.QueryAPI) (rx, tx, timestamps []float64, err error) {
result, err := queryApi.Query(context.Background(), query) result, err := queryApi.Query(context.Background(), query)
if err != nil { if err != nil {