2021-06-01 15:13:48 +05:30

620 lines
23 KiB
Go

package clickhouseReader
import (
"context"
"errors"
"fmt"
"os"
"strconv"
"time"
_ "github.com/ClickHouse/clickhouse-go"
"github.com/jmoiron/sqlx"
"go.signoz.io/query-service/model"
"go.uber.org/zap"
)
const (
primaryNamespace = "clickhouse"
archiveNamespace = "clickhouse-archive"
minTimespanForProgressiveSearch = time.Hour
minTimespanForProgressiveSearchMargin = time.Minute
maxProgressiveSteps = 4
)
var (
ErrNoOperationsTable = errors.New("no operations table supplied")
ErrNoIndexTable = errors.New("no index table supplied")
ErrStartTimeRequired = errors.New("start time is required for search queries")
)
// SpanWriter for reading spans from ClickHouse
type ClickHouseReader struct {
db *sqlx.DB
operationsTable string
indexTable string
spansTable string
}
// NewTraceReader returns a TraceReader for the database
func NewReader() *ClickHouseReader {
datasource := os.Getenv("ClickHouseUrl")
options := NewOptions(datasource, primaryNamespace, archiveNamespace)
db, err := initialize(options)
if err != nil {
zap.S().Error(err)
}
return &ClickHouseReader{
db: db,
operationsTable: options.primary.OperationsTable,
indexTable: options.primary.IndexTable,
spansTable: options.primary.SpansTable,
}
}
func initialize(options *Options) (*sqlx.DB, error) {
db, err := connect(options.getPrimary())
if err != nil {
return nil, fmt.Errorf("error connecting to primary db: %v", err)
}
return db, nil
}
func connect(cfg *namespaceConfig) (*sqlx.DB, error) {
if cfg.Encoding != EncodingJSON && cfg.Encoding != EncodingProto {
return nil, fmt.Errorf("unknown encoding %q, supported: %q, %q", cfg.Encoding, EncodingJSON, EncodingProto)
}
return cfg.Connector(cfg)
}
func (r *ClickHouseReader) GetServices(ctx context.Context, queryParams *model.GetServicesParams) (*[]model.ServiceItem, error) {
if r.indexTable == "" {
return nil, ErrNoIndexTable
}
serviceItems := []model.ServiceItem{}
query := fmt.Sprintf("SELECT serviceName, quantile(0.99)(durationNano) as p99, avg(durationNano) as avgDuration, count(*) as numCalls FROM %s WHERE timestamp>='%s' AND timestamp<='%s' AND kind='2' GROUP BY serviceName ORDER BY p99 DESC", r.indexTable, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10))
err := r.db.Select(&serviceItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
////////////////// Below block gets 5xx of services
serviceErrorItems := []model.ServiceItem{}
query = fmt.Sprintf("SELECT serviceName, count(*) as numErrors FROM %s WHERE timestamp>='%s' AND timestamp<='%s' AND kind='2' AND statusCode>=500 GROUP BY serviceName", r.indexTable, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10))
err = r.db.Select(&serviceErrorItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
m5xx := make(map[string]int)
for j, _ := range serviceErrorItems {
m5xx[serviceErrorItems[j].ServiceName] = serviceErrorItems[j].NumErrors
}
///////////////////////////////////////////
////////////////// Below block gets 4xx of services
service4xxItems := []model.ServiceItem{}
query = fmt.Sprintf("SELECT serviceName, count(*) as num4xx FROM %s WHERE timestamp>='%s' AND timestamp<='%s' AND kind='2' AND statusCode>=400 AND statusCode<500 GROUP BY serviceName", r.indexTable, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10))
err = r.db.Select(&service4xxItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
m4xx := make(map[string]int)
for j, _ := range service4xxItems {
m5xx[service4xxItems[j].ServiceName] = service4xxItems[j].Num4XX
}
for i, _ := range serviceItems {
if val, ok := m5xx[serviceItems[i].ServiceName]; ok {
serviceItems[i].NumErrors = val
}
if val, ok := m4xx[serviceItems[i].ServiceName]; ok {
serviceItems[i].Num4XX = val
}
serviceItems[i].CallRate = float32(serviceItems[i].NumCalls) / float32(queryParams.Period)
serviceItems[i].FourXXRate = float32(serviceItems[i].Num4XX) / float32(queryParams.Period)
serviceItems[i].ErrorRate = float32(serviceItems[i].NumErrors) / float32(queryParams.Period)
}
return &serviceItems, nil
}
func (r *ClickHouseReader) GetServiceOverview(ctx context.Context, queryParams *model.GetServiceOverviewParams) (*[]model.ServiceOverviewItem, error) {
serviceOverviewItems := []model.ServiceOverviewItem{}
query := fmt.Sprintf("SELECT toStartOfInterval(timestamp, INTERVAL %s minute) as time, quantile(0.99)(durationNano) as p99, quantile(0.95)(durationNano) as p95,quantile(0.50)(durationNano) as p50, count(*) as numCalls FROM %s WHERE timestamp>='%s' AND timestamp<='%s' AND kind='2' AND serviceName='%s' GROUP BY time ORDER BY time DESC", strconv.Itoa(int(queryParams.StepSeconds/60)), r.indexTable, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10), queryParams.ServiceName)
err := r.db.Select(&serviceOverviewItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
serviceErrorItems := []model.ServiceErrorItem{}
query = fmt.Sprintf("SELECT toStartOfInterval(timestamp, INTERVAL %s minute) as time, count(*) as numErrors FROM %s WHERE timestamp>='%s' AND timestamp<='%s' AND kind='2' AND serviceName='%s' AND statusCode>=500 GROUP BY time ORDER BY time DESC", strconv.Itoa(int(queryParams.StepSeconds/60)), r.indexTable, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10), queryParams.ServiceName)
err = r.db.Select(&serviceErrorItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
m := make(map[int64]int)
for j, _ := range serviceErrorItems {
timeObj, _ := time.Parse(time.RFC3339Nano, serviceErrorItems[j].Time)
m[int64(timeObj.UnixNano())] = serviceErrorItems[j].NumErrors
}
for i, _ := range serviceOverviewItems {
timeObj, _ := time.Parse(time.RFC3339Nano, serviceOverviewItems[i].Time)
serviceOverviewItems[i].Timestamp = int64(timeObj.UnixNano())
serviceOverviewItems[i].Time = ""
if val, ok := m[serviceOverviewItems[i].Timestamp]; ok {
serviceOverviewItems[i].NumErrors = val
}
serviceOverviewItems[i].ErrorRate = float32(serviceOverviewItems[i].NumErrors) * 100 / float32(serviceOverviewItems[i].NumCalls)
serviceOverviewItems[i].CallRate = float32(serviceOverviewItems[i].NumCalls) / float32(queryParams.StepSeconds)
}
return &serviceOverviewItems, nil
}
func (r *ClickHouseReader) SearchSpans(ctx context.Context, queryParams *model.SpanSearchParams) (*[]model.SearchSpansResult, error) {
query := fmt.Sprintf("SELECT timestamp, spanID, traceID, serviceName, name, kind, durationNano, tagsKeys, tagsValues FROM %s WHERE timestamp >= ? AND timestamp <= ?", r.indexTable)
args := []interface{}{strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10)}
if len(queryParams.ServiceName) != 0 {
query = query + " AND serviceName = ?"
args = append(args, queryParams.ServiceName)
}
if len(queryParams.OperationName) != 0 {
query = query + " AND name = ?"
args = append(args, queryParams.OperationName)
}
if len(queryParams.Kind) != 0 {
query = query + " AND kind = ?"
args = append(args, queryParams.Kind)
}
if len(queryParams.MinDuration) != 0 {
query = query + " AND durationNano >= ?"
args = append(args, queryParams.MinDuration)
}
if len(queryParams.MaxDuration) != 0 {
query = query + " AND durationNano <= ?"
args = append(args, queryParams.MaxDuration)
}
for _, item := range queryParams.Tags {
if item.Key == "error" && item.Value == "true" {
query = query + " AND ( has(tags, 'error:true') OR statusCode>=500)"
continue
}
if item.Operator == "equals" {
query = query + " AND has(tags, ?)"
args = append(args, fmt.Sprintf("%s:%s", item.Key, item.Value))
} else if item.Operator == "contains" {
query = query + " AND tagsValues[indexOf(tagsKeys, ?)] ILIKE ?"
args = append(args, item.Key)
args = append(args, fmt.Sprintf("%%%s%%", item.Value))
} else if item.Operator == "isnotnull" {
query = query + " AND has(tagsKeys, ?)"
args = append(args, item.Key)
} else {
return nil, fmt.Errorf("Tag Operator %s not supported", item.Operator)
}
}
query = query + " ORDER BY timestamp DESC LIMIT 100"
var searchScanReponses []model.SearchSpanReponseItem
err := r.db.Select(&searchScanReponses, query, args...)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
searchSpansResult := []model.SearchSpansResult{
model.SearchSpansResult{
Columns: []string{"__time", "SpanId", "TraceId", "ServiceName", "Name", "Kind", "DurationNano", "TagsKeys", "TagsValues"},
Events: make([][]interface{}, len(searchScanReponses)),
},
}
for i, item := range searchScanReponses {
spanEvents := item.GetValues()
searchSpansResult[0].Events[i] = spanEvents
}
return &searchSpansResult, nil
}
func (r *ClickHouseReader) GetServiceDBOverview(ctx context.Context, queryParams *model.GetServiceOverviewParams) (*[]model.ServiceDBOverviewItem, error) {
var serviceDBOverviewItems []model.ServiceDBOverviewItem
query := fmt.Sprintf("SELECT toStartOfInterval(timestamp, INTERVAL %s minute) as time, avg(durationNano) as avgDuration, count(1) as numCalls, dbSystem FROM %s WHERE serviceName='%s' AND timestamp>='%s' AND timestamp<='%s' AND kind='3' AND dbName IS NOT NULL GROUP BY time, dbSystem ORDER BY time DESC", strconv.Itoa(int(queryParams.StepSeconds/60)), r.indexTable, queryParams.ServiceName, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10))
err := r.db.Select(&serviceDBOverviewItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
for i, _ := range serviceDBOverviewItems {
timeObj, _ := time.Parse(time.RFC3339Nano, serviceDBOverviewItems[i].Time)
serviceDBOverviewItems[i].Timestamp = int64(timeObj.UnixNano())
serviceDBOverviewItems[i].Time = ""
serviceDBOverviewItems[i].CallRate = float32(serviceDBOverviewItems[i].NumCalls) / float32(queryParams.StepSeconds)
}
if serviceDBOverviewItems == nil {
serviceDBOverviewItems = []model.ServiceDBOverviewItem{}
}
return &serviceDBOverviewItems, nil
}
func (r *ClickHouseReader) GetServiceExternalAvgDuration(ctx context.Context, queryParams *model.GetServiceOverviewParams) (*[]model.ServiceExternalItem, error) {
var serviceExternalItems []model.ServiceExternalItem
query := fmt.Sprintf("SELECT toStartOfInterval(timestamp, INTERVAL %s minute) as time, avg(durationNano) as avgDuration FROM %s WHERE serviceName='%s' AND timestamp>='%s' AND timestamp<='%s' AND kind='3' AND externalHttpUrl IS NOT NULL GROUP BY time ORDER BY time DESC", strconv.Itoa(int(queryParams.StepSeconds/60)), r.indexTable, queryParams.ServiceName, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10))
err := r.db.Select(&serviceExternalItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
for i, _ := range serviceExternalItems {
timeObj, _ := time.Parse(time.RFC3339Nano, serviceExternalItems[i].Time)
serviceExternalItems[i].Timestamp = int64(timeObj.UnixNano())
serviceExternalItems[i].Time = ""
serviceExternalItems[i].CallRate = float32(serviceExternalItems[i].NumCalls) / float32(queryParams.StepSeconds)
}
if serviceExternalItems == nil {
serviceExternalItems = []model.ServiceExternalItem{}
}
return &serviceExternalItems, nil
}
func (r *ClickHouseReader) GetServiceExternalErrors(ctx context.Context, queryParams *model.GetServiceOverviewParams) (*[]model.ServiceExternalItem, error) {
var serviceExternalErrorItems []model.ServiceExternalItem
query := fmt.Sprintf("SELECT toStartOfInterval(timestamp, INTERVAL %s minute) as time, avg(durationNano) as avgDuration, count(1) as numCalls, externalHttpUrl FROM %s WHERE serviceName='%s' AND timestamp>='%s' AND timestamp<='%s' AND kind='3' AND externalHttpUrl IS NOT NULL AND statusCode >= 500 GROUP BY time, externalHttpUrl ORDER BY time DESC", strconv.Itoa(int(queryParams.StepSeconds/60)), r.indexTable, queryParams.ServiceName, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10))
err := r.db.Select(&serviceExternalErrorItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
var serviceExternalTotalItems []model.ServiceExternalItem
queryTotal := fmt.Sprintf("SELECT toStartOfInterval(timestamp, INTERVAL %s minute) as time, avg(durationNano) as avgDuration, count(1) as numCalls, externalHttpUrl FROM %s WHERE serviceName='%s' AND timestamp>='%s' AND timestamp<='%s' AND kind='3' AND externalHttpUrl IS NOT NULL GROUP BY time, externalHttpUrl ORDER BY time DESC", strconv.Itoa(int(queryParams.StepSeconds/60)), r.indexTable, queryParams.ServiceName, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10))
errTotal := r.db.Select(&serviceExternalTotalItems, queryTotal)
if errTotal != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
m := make(map[string]int)
for j, _ := range serviceExternalErrorItems {
timeObj, _ := time.Parse(time.RFC3339Nano, serviceExternalErrorItems[j].Time)
m[strconv.FormatInt(timeObj.UnixNano(), 10)+"-"+serviceExternalErrorItems[j].ExternalHttpUrl] = serviceExternalErrorItems[j].NumCalls
}
for i, _ := range serviceExternalTotalItems {
timeObj, _ := time.Parse(time.RFC3339Nano, serviceExternalTotalItems[i].Time)
serviceExternalTotalItems[i].Timestamp = int64(timeObj.UnixNano())
serviceExternalTotalItems[i].Time = ""
// serviceExternalTotalItems[i].CallRate = float32(serviceExternalTotalItems[i].NumCalls) / float32(queryParams.StepSeconds)
if val, ok := m[strconv.FormatInt(serviceExternalTotalItems[i].Timestamp, 10)+"-"+serviceExternalTotalItems[i].ExternalHttpUrl]; ok {
serviceExternalTotalItems[i].NumErrors = val
serviceExternalTotalItems[i].ErrorRate = float32(serviceExternalTotalItems[i].NumErrors) * 100 / float32(serviceExternalTotalItems[i].NumCalls)
}
serviceExternalTotalItems[i].CallRate = 0
serviceExternalTotalItems[i].NumCalls = 0
}
if serviceExternalTotalItems == nil {
serviceExternalTotalItems = []model.ServiceExternalItem{}
}
return &serviceExternalTotalItems, nil
}
func (r *ClickHouseReader) GetServiceExternal(ctx context.Context, queryParams *model.GetServiceOverviewParams) (*[]model.ServiceExternalItem, error) {
var serviceExternalItems []model.ServiceExternalItem
query := fmt.Sprintf("SELECT toStartOfInterval(timestamp, INTERVAL %s minute) as time, avg(durationNano) as avgDuration, count(1) as numCalls, externalHttpUrl FROM %s WHERE serviceName='%s' AND timestamp>='%s' AND timestamp<='%s' AND kind='3' AND externalHttpUrl IS NOT NULL GROUP BY time, externalHttpUrl ORDER BY time DESC", strconv.Itoa(int(queryParams.StepSeconds/60)), r.indexTable, queryParams.ServiceName, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10))
err := r.db.Select(&serviceExternalItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
for i, _ := range serviceExternalItems {
timeObj, _ := time.Parse(time.RFC3339Nano, serviceExternalItems[i].Time)
serviceExternalItems[i].Timestamp = int64(timeObj.UnixNano())
serviceExternalItems[i].Time = ""
serviceExternalItems[i].CallRate = float32(serviceExternalItems[i].NumCalls) / float32(queryParams.StepSeconds)
}
if serviceExternalItems == nil {
serviceExternalItems = []model.ServiceExternalItem{}
}
return &serviceExternalItems, nil
}
func (r *ClickHouseReader) GetTopEndpoints(ctx context.Context, queryParams *model.GetTopEndpointsParams) (*[]model.TopEndpointsItem, error) {
var topEndpointsItems []model.TopEndpointsItem
query := fmt.Sprintf("SELECT quantile(0.5)(durationNano) as p50, quantile(0.95)(durationNano) as p95, quantile(0.99)(durationNano) as p99, COUNT(1) as numCalls, name FROM %s WHERE timestamp >= '%s' AND timestamp <= '%s' AND kind='2' and serviceName='%s' GROUP BY name", r.indexTable, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10), queryParams.ServiceName)
err := r.db.Select(&topEndpointsItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
if topEndpointsItems == nil {
topEndpointsItems = []model.TopEndpointsItem{}
}
return &topEndpointsItems, nil
}
func (r *ClickHouseReader) GetUsage(ctx context.Context, queryParams *model.GetUsageParams) (*[]model.UsageItem, error) {
var usageItems []model.UsageItem
var query string
if len(queryParams.ServiceName) != 0 {
query = fmt.Sprintf("SELECT toStartOfInterval(timestamp, INTERVAL %d HOUR) as time, count(1) as count FROM %s WHERE serviceName='%s' AND timestamp>='%s' AND timestamp<='%s' GROUP BY time ORDER BY time ASC", queryParams.StepHour, r.indexTable, queryParams.ServiceName, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10))
} else {
query = fmt.Sprintf("SELECT toStartOfInterval(timestamp, INTERVAL %d HOUR) as time, count(1) as count FROM %s WHERE timestamp>='%s' AND timestamp<='%s' GROUP BY time ORDER BY time ASC", queryParams.StepHour, r.indexTable, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10))
}
err := r.db.Select(&usageItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
for i, _ := range usageItems {
timeObj, _ := time.Parse(time.RFC3339Nano, usageItems[i].Time)
usageItems[i].Timestamp = int64(timeObj.UnixNano())
usageItems[i].Time = ""
}
if usageItems == nil {
usageItems = []model.UsageItem{}
}
return &usageItems, nil
}
func (r *ClickHouseReader) GetServicesList(ctx context.Context) (*[]string, error) {
services := []string{}
query := fmt.Sprintf(`SELECT DISTINCT serviceName FROM %s WHERE toDate(timestamp) > now() - INTERVAL 1 DAY`, r.indexTable)
err := r.db.Select(&services, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
return &services, nil
}
func (r *ClickHouseReader) GetTags(ctx context.Context, serviceName string) (*[]model.TagItem, error) {
tagItems := []model.TagItem{}
query := fmt.Sprintf(`SELECT DISTINCT arrayJoin(tagsKeys) as tagKeys FROM %s WHERE serviceName='%s' AND toDate(timestamp) > now() - INTERVAL 1 DAY`, r.indexTable, serviceName)
err := r.db.Select(&tagItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
return &tagItems, nil
}
func (r *ClickHouseReader) GetOperations(ctx context.Context, serviceName string) (*[]string, error) {
operations := []string{}
query := fmt.Sprintf(`SELECT DISTINCT(name) FROM %s WHERE serviceName='%s' AND toDate(timestamp) > now() - INTERVAL 1 DAY`, r.indexTable, serviceName)
err := r.db.Select(&operations, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
return &operations, nil
}
func (r *ClickHouseReader) SearchTraces(ctx context.Context, traceId string) (*[]model.SearchSpansResult, error) {
var searchScanReponses []model.SearchSpanReponseItem
query := fmt.Sprintf("SELECT timestamp, spanID, traceID, serviceName, name, kind, durationNano, tagsKeys, tagsValues, references FROM %s WHERE traceID='%s'", r.indexTable, traceId)
err := r.db.Select(&searchScanReponses, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
searchSpansResult := []model.SearchSpansResult{
model.SearchSpansResult{
Columns: []string{"__time", "SpanId", "TraceId", "ServiceName", "Name", "Kind", "DurationNano", "TagsKeys", "TagsValues", "References"},
Events: make([][]interface{}, len(searchScanReponses)),
},
}
for i, item := range searchScanReponses {
spanEvents := item.GetValues()
searchSpansResult[0].Events[i] = spanEvents
}
return &searchSpansResult, nil
}
func (r *ClickHouseReader) GetServiceMapDependencies(ctx context.Context, queryParams *model.GetServicesParams) (*[]model.ServiceMapDependencyResponseItem, error) {
serviceMapDependencyItems := []model.ServiceMapDependencyItem{}
query := fmt.Sprintf(`SELECT spanID, parentSpanID, serviceName FROM %s WHERE timestamp>='%s' AND timestamp<='%s'`, r.indexTable, strconv.FormatInt(queryParams.Start.UnixNano(), 10), strconv.FormatInt(queryParams.End.UnixNano(), 10))
err := r.db.Select(&serviceMapDependencyItems, query)
zap.S().Info(query)
if err != nil {
zap.S().Debug("Error in processing sql query: ", err)
return nil, fmt.Errorf("Error in processing sql query")
}
serviceMap := make(map[string]*model.ServiceMapDependencyResponseItem)
spanId2ServiceNameMap := make(map[string]string)
for i, _ := range serviceMapDependencyItems {
spanId2ServiceNameMap[serviceMapDependencyItems[i].SpanId] = serviceMapDependencyItems[i].ServiceName
}
for i, _ := range serviceMapDependencyItems {
parent2childServiceName := spanId2ServiceNameMap[serviceMapDependencyItems[i].ParentSpanId] + "-" + spanId2ServiceNameMap[serviceMapDependencyItems[i].SpanId]
if _, ok := serviceMap[parent2childServiceName]; !ok {
serviceMap[parent2childServiceName] = &model.ServiceMapDependencyResponseItem{
Parent: spanId2ServiceNameMap[serviceMapDependencyItems[i].ParentSpanId],
Child: spanId2ServiceNameMap[serviceMapDependencyItems[i].SpanId],
CallCount: 1,
}
} else {
serviceMap[parent2childServiceName].CallCount++
}
}
retMe := make([]model.ServiceMapDependencyResponseItem, 0, len(serviceMap))
for _, dependency := range serviceMap {
if dependency.Parent == "" {
continue
}
retMe = append(retMe, *dependency)
}
return &retMe, nil
}
func (r *ClickHouseReader) SearchSpansAggregate(ctx context.Context, queryParams *model.SpanSearchAggregatesParams) ([]model.SpanSearchAggregatesResponseItem, error) {
spanSearchAggregatesResponseItems := []model.SpanSearchAggregatesResponseItem{}
return spanSearchAggregatesResponseItems, nil
}