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added dbOverview tab for service

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This commit is contained in:
Ankit Nayan 2021-05-02 10:54:59 +05:30
parent 3b3ca64296
commit ade18bc11f
2 changed files with 63 additions and 0 deletions
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17
pkg/query-service/app/http_handler.go
View File

@ -63,6 +63,7 @@ func (aH *APIHandler) RegisterRoutes(router *mux.Router) {
router.HandleFunc("/api/v1/services", aH.getServices).Methods(http.MethodGet)
router.HandleFunc("/api/v1/services/list", aH.getServicesList).Methods(http.MethodGet)
router.HandleFunc("/api/v1/service/overview", aH.getServiceOverview).Methods(http.MethodGet)
router.HandleFunc("/api/v1/service/dbOverview", aH.getServiceDBOverview).Methods(http.MethodGet)
router.HandleFunc("/api/v1/service/externalAvgDuration", aH.GetServiceExternalAvgDuration).Methods(http.MethodGet)
router.HandleFunc("/api/v1/service/externalErrors", aH.getServiceExternalErrors).Methods(http.MethodGet)
router.HandleFunc("/api/v1/service/external", aH.getServiceExternal).Methods(http.MethodGet)
@ -178,6 +179,22 @@ func (aH *APIHandler) getUsage(w http.ResponseWriter, r *http.Request) {
}
func (aH *APIHandler) getServiceDBOverview(w http.ResponseWriter, r *http.Request) {
query, err := parseGetServiceExternalRequest(r)
if aH.handleError(w, err, http.StatusBadRequest) {
return
}
result, err := druidQuery.GetServiceDBOverview(aH.sqlClient, query)
if aH.handleError(w, err, http.StatusBadRequest) {
return
}
aH.writeJSON(w, r, result)
}
func (aH *APIHandler) getServiceExternal(w http.ResponseWriter, r *http.Request) {
query, err := parseGetServiceExternalRequest(r)

46
pkg/query-service/druidQuery/mysql-query.go
View File

@ -51,6 +51,15 @@ type ServiceExternalItem struct {
CallRate float32 `json:"callRate,omitempty"`
}
type ServiceDBOverviewItem struct {
Time string `json:"time,omitempty"`
Timestamp int64 `json:"timestamp,omitempty"`
DBSystem string `json:"dbSystem,omitempty"`
AvgDuration float32 `json:"avgDuration,omitempty"`
NumCalls int `json:"numCalls,omitempty"`
CallRate float32 `json:"callRate,omitempty"`
}
type UsageItem struct {
Time string `json:"time,omitempty"`
Timestamp int64 `json:"timestamp"`
@ -335,6 +344,43 @@ func GetServiceExternal(client *SqlClient, query *model.GetServiceOverviewParams
return &servicesExternalResponse, nil
}
func GetServiceDBOverview(client *SqlClient, query *model.GetServiceOverviewParams) (*[]ServiceDBOverviewItem, error) {
sqlQuery := fmt.Sprintf(`SELECT TIME_FLOOR(__time, '%s') as "time", AVG(DurationNano) as "avgDuration", COUNT(SpanId) as "numCalls", DBSystem as "dbSystem" FROM %s WHERE ServiceName='%s' AND Kind='3' AND DBName IS NOT NULL
AND "__time" >= '%s' AND "__time" <= '%s'
GROUP BY TIME_FLOOR(__time, '%s'), DBSystem`, query.Period, constants.DruidDatasource, query.ServiceName, query.StartTime, query.EndTime, query.Period)
// zap.S().Debug(sqlQuery)
response, err := client.Query(sqlQuery, "object")
if err != nil {
zap.S().Error(query, err)
return nil, fmt.Errorf("Something went wrong in druid query")
}
// responseStr := string(response)
// zap.S().Info(responseStr)
res := new([]ServiceDBOverviewItem)
err = json.Unmarshal(response, res)
if err != nil {
zap.S().Error(err)
return nil, fmt.Errorf("Error in unmarshalling response from druid")
}
for i, _ := range *res {
timeObj, _ := time.Parse(time.RFC3339Nano, (*res)[i].Time)
(*res)[i].Timestamp = int64(timeObj.UnixNano())
(*res)[i].Time = ""
(*res)[i].CallRate = float32((*res)[i].NumCalls) / float32(query.StepSeconds)
}
servicesDBOverviewResponse := (*res)[1:]
return &servicesDBOverviewResponse, nil
}
func GetServiceOverview(client *SqlClient, query *model.GetServiceOverviewParams) (*[]ServiceOverviewItem, error) {
sqlQuery := fmt.Sprintf(`SELECT TIME_FLOOR(__time, '%s') as "time", APPROX_QUANTILE_DS("QuantileDuration", 0.5) as p50, APPROX_QUANTILE_DS("QuantileDuration", 0.9) as p90,