package app import ( "bytes" "context" "encoding/json" "errors" "fmt" "io/ioutil" "net/http" "strconv" "strings" "sync" "text/template" "time" "github.com/gorilla/mux" jsoniter "github.com/json-iterator/go" _ "github.com/mattn/go-sqlite3" "github.com/prometheus/prometheus/promql" "go.signoz.io/signoz/pkg/query-service/app/dashboards" "go.signoz.io/signoz/pkg/query-service/app/explorer" "go.signoz.io/signoz/pkg/query-service/app/logs" "go.signoz.io/signoz/pkg/query-service/app/metrics" metricsv3 "go.signoz.io/signoz/pkg/query-service/app/metrics/v3" "go.signoz.io/signoz/pkg/query-service/app/parser" "go.signoz.io/signoz/pkg/query-service/auth" "go.signoz.io/signoz/pkg/query-service/constants" v3 "go.signoz.io/signoz/pkg/query-service/model/v3" querytemplate "go.signoz.io/signoz/pkg/query-service/utils/queryTemplate" "go.signoz.io/signoz/pkg/query-service/dao" am "go.signoz.io/signoz/pkg/query-service/integrations/alertManager" signozio "go.signoz.io/signoz/pkg/query-service/integrations/signozio" "go.signoz.io/signoz/pkg/query-service/interfaces" "go.signoz.io/signoz/pkg/query-service/model" "go.signoz.io/signoz/pkg/query-service/rules" "go.signoz.io/signoz/pkg/query-service/telemetry" "go.signoz.io/signoz/pkg/query-service/version" "go.uber.org/multierr" "go.uber.org/zap" ) type status string const ( statusSuccess status = "success" statusError status = "error" ) // NewRouter creates and configures a Gorilla Router. func NewRouter() *mux.Router { return mux.NewRouter().UseEncodedPath() } // APIHandler implements the query service public API by registering routes at httpPrefix type APIHandler struct { // queryService *querysvc.QueryService // queryParser queryParser basePath string apiPrefix string reader interfaces.Reader appDao dao.ModelDao alertManager am.Manager ruleManager *rules.Manager featureFlags interfaces.FeatureLookup ready func(http.HandlerFunc) http.HandlerFunc queryBuilder *queryBuilder // SetupCompleted indicates if SigNoz is ready for general use. // at the moment, we mark the app ready when the first user // is registers. SetupCompleted bool } type APIHandlerOpts struct { // business data reader e.g. clickhouse Reader interfaces.Reader // dao layer to perform crud on app objects like dashboard, alerts etc AppDao dao.ModelDao // rule manager handles rule crud operations RuleManager *rules.Manager // feature flags querier FeatureFlags interfaces.FeatureLookup } // NewAPIHandler returns an APIHandler func NewAPIHandler(opts APIHandlerOpts) (*APIHandler, error) { alertManager, err := am.New("") if err != nil { return nil, err } aH := &APIHandler{ reader: opts.Reader, appDao: opts.AppDao, alertManager: alertManager, ruleManager: opts.RuleManager, featureFlags: opts.FeatureFlags, } builderOpts := queryBuilderOptions{ BuildMetricQuery: metricsv3.PrepareMetricQuery, BuildTraceQuery: func(start, end, step int64, queryType v3.QueryType, panelType v3.PanelType, bq *v3.BuilderQuery) (string, error) { return "", errors.New("not implemented") }, BuildLogQuery: func(start, end, step int64, queryType v3.QueryType, panelType v3.PanelType, bq *v3.BuilderQuery) (string, error) { return "", errors.New("not implemented") }, } aH.queryBuilder = NewQueryBuilder(builderOpts) aH.ready = aH.testReady dashboards.LoadDashboardFiles() // if errReadingDashboards != nil { // return nil, errReadingDashboards // } // check if at least one user is created hasUsers, err := aH.appDao.GetUsersWithOpts(context.Background(), 1) if err.Error() != "" { // raise warning but no panic as this is a recoverable condition zap.S().Warnf("unexpected error while fetch user count while initializing base api handler", err.Error()) } if len(hasUsers) != 0 { // first user is already created, we can mark the app ready for general use. // this means, we disable self-registration and expect new users // to signup signoz through invite link only. aH.SetupCompleted = true } return aH, nil } type structuredResponse struct { Data interface{} `json:"data"` Total int `json:"total"` Limit int `json:"limit"` Offset int `json:"offset"` Errors []structuredError `json:"errors"` } type structuredError struct { Code int `json:"code,omitempty"` Msg string `json:"msg"` // TraceID ui.TraceID `json:"traceID,omitempty"` } var corsHeaders = map[string]string{ "Access-Control-Allow-Headers": "Accept, Authorization, Content-Type, Origin", "Access-Control-Allow-Methods": "GET, OPTIONS", "Access-Control-Allow-Origin": "*", "Access-Control-Expose-Headers": "Date", } // Enables cross-site script calls. func setCORS(w http.ResponseWriter) { for h, v := range corsHeaders { w.Header().Set(h, v) } } type apiFunc func(r *http.Request) (interface{}, *model.ApiError, func()) // Checks if server is ready, calls f if it is, returns 503 if it is not. func (aH *APIHandler) testReady(f http.HandlerFunc) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { f(w, r) } } type response struct { Status status `json:"status"` Data interface{} `json:"data,omitempty"` ErrorType model.ErrorType `json:"errorType,omitempty"` Error string `json:"error,omitempty"` } func RespondError(w http.ResponseWriter, apiErr model.BaseApiError, data interface{}) { json := jsoniter.ConfigCompatibleWithStandardLibrary b, err := json.Marshal(&response{ Status: statusError, ErrorType: apiErr.Type(), Error: apiErr.Error(), Data: data, }) if err != nil { zap.S().Error("msg", "error marshalling json response", "err", err) http.Error(w, err.Error(), http.StatusInternalServerError) return } var code int switch apiErr.Type() { case model.ErrorBadData: code = http.StatusBadRequest case model.ErrorExec: code = 422 case model.ErrorCanceled, model.ErrorTimeout: code = http.StatusServiceUnavailable case model.ErrorInternal: code = http.StatusInternalServerError case model.ErrorNotFound: code = http.StatusNotFound case model.ErrorNotImplemented: code = http.StatusNotImplemented case model.ErrorUnauthorized: code = http.StatusUnauthorized case model.ErrorForbidden: code = http.StatusForbidden default: code = http.StatusInternalServerError } w.Header().Set("Content-Type", "application/json") w.WriteHeader(code) if n, err := w.Write(b); err != nil { zap.S().Error("msg", "error writing response", "bytesWritten", n, "err", err) } } func writeHttpResponse(w http.ResponseWriter, data interface{}) { json := jsoniter.ConfigCompatibleWithStandardLibrary b, err := json.Marshal(&response{ Status: statusSuccess, Data: data, }) if err != nil { zap.S().Error("msg", "error marshalling json response", "err", err) http.Error(w, err.Error(), http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") w.WriteHeader(http.StatusOK) if n, err := w.Write(b); err != nil { zap.S().Error("msg", "error writing response", "bytesWritten", n, "err", err) } } func (aH *APIHandler) RegisterMetricsRoutes(router *mux.Router, am *AuthMiddleware) { subRouter := router.PathPrefix("/api/v2/metrics").Subrouter() subRouter.HandleFunc("/query_range", am.ViewAccess(aH.QueryRangeMetricsV2)).Methods(http.MethodPost) subRouter.HandleFunc("/autocomplete/list", am.ViewAccess(aH.metricAutocompleteMetricName)).Methods(http.MethodGet) subRouter.HandleFunc("/autocomplete/tagKey", am.ViewAccess(aH.metricAutocompleteTagKey)).Methods(http.MethodGet) subRouter.HandleFunc("/autocomplete/tagValue", am.ViewAccess(aH.metricAutocompleteTagValue)).Methods(http.MethodGet) } func (aH *APIHandler) RegisterQueryRangeV3Routes(router *mux.Router, am *AuthMiddleware) { subRouter := router.PathPrefix("/api/v3").Subrouter() subRouter.HandleFunc("/autocomplete/aggregate_attributes", am.ViewAccess( withCacheControl(AutoCompleteCacheControlAge, aH.autocompleteAggregateAttributes))).Methods(http.MethodGet) subRouter.HandleFunc("/autocomplete/attribute_keys", am.ViewAccess( withCacheControl(AutoCompleteCacheControlAge, aH.autoCompleteAttributeKeys))).Methods(http.MethodGet) subRouter.HandleFunc("/autocomplete/attribute_values", am.ViewAccess( withCacheControl(AutoCompleteCacheControlAge, aH.autoCompleteAttributeValues))).Methods(http.MethodGet) subRouter.HandleFunc("/query_range", am.ViewAccess(aH.QueryRangeV3)).Methods(http.MethodPost) } func (aH *APIHandler) Respond(w http.ResponseWriter, data interface{}) { writeHttpResponse(w, data) } // RegisterPrivateRoutes registers routes for this handler on the given router func (aH *APIHandler) RegisterPrivateRoutes(router *mux.Router) { router.HandleFunc("/api/v1/channels", aH.listChannels).Methods(http.MethodGet) } // RegisterRoutes registers routes for this handler on the given router func (aH *APIHandler) RegisterRoutes(router *mux.Router, am *AuthMiddleware) { router.HandleFunc("/api/v1/query_range", am.ViewAccess(aH.queryRangeMetrics)).Methods(http.MethodGet) router.HandleFunc("/api/v1/query", am.ViewAccess(aH.queryMetrics)).Methods(http.MethodGet) router.HandleFunc("/api/v1/channels", am.ViewAccess(aH.listChannels)).Methods(http.MethodGet) router.HandleFunc("/api/v1/channels/{id}", am.ViewAccess(aH.getChannel)).Methods(http.MethodGet) router.HandleFunc("/api/v1/channels/{id}", am.AdminAccess(aH.editChannel)).Methods(http.MethodPut) router.HandleFunc("/api/v1/channels/{id}", am.AdminAccess(aH.deleteChannel)).Methods(http.MethodDelete) router.HandleFunc("/api/v1/channels", am.EditAccess(aH.createChannel)).Methods(http.MethodPost) router.HandleFunc("/api/v1/testChannel", am.EditAccess(aH.testChannel)).Methods(http.MethodPost) router.HandleFunc("/api/v1/rules", am.ViewAccess(aH.listRules)).Methods(http.MethodGet) router.HandleFunc("/api/v1/rules/{id}", am.ViewAccess(aH.getRule)).Methods(http.MethodGet) router.HandleFunc("/api/v1/rules", am.EditAccess(aH.createRule)).Methods(http.MethodPost) router.HandleFunc("/api/v1/rules/{id}", am.EditAccess(aH.editRule)).Methods(http.MethodPut) router.HandleFunc("/api/v1/rules/{id}", am.EditAccess(aH.deleteRule)).Methods(http.MethodDelete) router.HandleFunc("/api/v1/rules/{id}", am.EditAccess(aH.patchRule)).Methods(http.MethodPatch) router.HandleFunc("/api/v1/testRule", am.EditAccess(aH.testRule)).Methods(http.MethodPost) router.HandleFunc("/api/v1/dashboards", am.ViewAccess(aH.getDashboards)).Methods(http.MethodGet) router.HandleFunc("/api/v1/dashboards", am.EditAccess(aH.createDashboards)).Methods(http.MethodPost) router.HandleFunc("/api/v1/dashboards/grafana", am.EditAccess(aH.createDashboardsTransform)).Methods(http.MethodPost) router.HandleFunc("/api/v1/dashboards/{uuid}", am.ViewAccess(aH.getDashboard)).Methods(http.MethodGet) router.HandleFunc("/api/v1/dashboards/{uuid}", am.EditAccess(aH.updateDashboard)).Methods(http.MethodPut) router.HandleFunc("/api/v1/dashboards/{uuid}", am.EditAccess(aH.deleteDashboard)).Methods(http.MethodDelete) router.HandleFunc("/api/v1/variables/query", am.ViewAccess(aH.queryDashboardVars)).Methods(http.MethodGet) router.HandleFunc("/api/v2/variables/query", am.ViewAccess(aH.queryDashboardVarsV2)).Methods(http.MethodPost) router.HandleFunc("/api/v1/explorer/queries", am.ViewAccess(aH.getExplorerQueries)).Methods(http.MethodGet) router.HandleFunc("/api/v1/explorer/queries", am.EditAccess(aH.createExplorerQueries)).Methods(http.MethodPost) router.HandleFunc("/api/v1/explorer/queries/{queryId}", am.ViewAccess(aH.getExplorerQuery)).Methods(http.MethodGet) router.HandleFunc("/api/v1/explorer/queries/{queryId}", am.EditAccess(aH.updateExplorerQuery)).Methods(http.MethodPut) router.HandleFunc("/api/v1/explorer/queries/{queryId}", am.EditAccess(aH.deleteExplorerQuery)).Methods(http.MethodDelete) router.HandleFunc("/api/v1/feedback", am.OpenAccess(aH.submitFeedback)).Methods(http.MethodPost) // router.HandleFunc("/api/v1/get_percentiles", aH.getApplicationPercentiles).Methods(http.MethodGet) router.HandleFunc("/api/v1/services", am.ViewAccess(aH.getServices)).Methods(http.MethodPost) router.HandleFunc("/api/v1/services/list", am.ViewAccess(aH.getServicesList)).Methods(http.MethodGet) router.HandleFunc("/api/v1/service/overview", am.ViewAccess(aH.getServiceOverview)).Methods(http.MethodPost) router.HandleFunc("/api/v1/service/top_operations", am.ViewAccess(aH.getTopOperations)).Methods(http.MethodPost) router.HandleFunc("/api/v1/service/top_level_operations", am.ViewAccess(aH.getServicesTopLevelOps)).Methods(http.MethodPost) router.HandleFunc("/api/v1/traces/{traceId}", am.ViewAccess(aH.SearchTraces)).Methods(http.MethodGet) router.HandleFunc("/api/v1/usage", am.ViewAccess(aH.getUsage)).Methods(http.MethodGet) router.HandleFunc("/api/v1/dependency_graph", am.ViewAccess(aH.dependencyGraph)).Methods(http.MethodPost) router.HandleFunc("/api/v1/settings/ttl", am.AdminAccess(aH.setTTL)).Methods(http.MethodPost) router.HandleFunc("/api/v1/settings/ttl", am.ViewAccess(aH.getTTL)).Methods(http.MethodGet) router.HandleFunc("/api/v1/version", am.OpenAccess(aH.getVersion)).Methods(http.MethodGet) router.HandleFunc("/api/v1/featureFlags", am.OpenAccess(aH.getFeatureFlags)).Methods(http.MethodGet) router.HandleFunc("/api/v1/configs", am.OpenAccess(aH.getConfigs)).Methods(http.MethodGet) router.HandleFunc("/api/v1/health", am.OpenAccess(aH.getHealth)).Methods(http.MethodGet) router.HandleFunc("/api/v1/getSpanFilters", am.ViewAccess(aH.getSpanFilters)).Methods(http.MethodPost) router.HandleFunc("/api/v1/getTagFilters", am.ViewAccess(aH.getTagFilters)).Methods(http.MethodPost) router.HandleFunc("/api/v1/getFilteredSpans", am.ViewAccess(aH.getFilteredSpans)).Methods(http.MethodPost) router.HandleFunc("/api/v1/getFilteredSpans/aggregates", am.ViewAccess(aH.getFilteredSpanAggregates)).Methods(http.MethodPost) router.HandleFunc("/api/v1/getTagValues", am.ViewAccess(aH.getTagValues)).Methods(http.MethodPost) router.HandleFunc("/api/v1/listErrors", am.ViewAccess(aH.listErrors)).Methods(http.MethodPost) router.HandleFunc("/api/v1/countErrors", am.ViewAccess(aH.countErrors)).Methods(http.MethodPost) router.HandleFunc("/api/v1/errorFromErrorID", am.ViewAccess(aH.getErrorFromErrorID)).Methods(http.MethodGet) router.HandleFunc("/api/v1/errorFromGroupID", am.ViewAccess(aH.getErrorFromGroupID)).Methods(http.MethodGet) router.HandleFunc("/api/v1/nextPrevErrorIDs", am.ViewAccess(aH.getNextPrevErrorIDs)).Methods(http.MethodGet) router.HandleFunc("/api/v1/disks", am.ViewAccess(aH.getDisks)).Methods(http.MethodGet) // === Authentication APIs === router.HandleFunc("/api/v1/invite", am.AdminAccess(aH.inviteUser)).Methods(http.MethodPost) router.HandleFunc("/api/v1/invite/{token}", am.OpenAccess(aH.getInvite)).Methods(http.MethodGet) router.HandleFunc("/api/v1/invite/{email}", am.AdminAccess(aH.revokeInvite)).Methods(http.MethodDelete) router.HandleFunc("/api/v1/invite", am.AdminAccess(aH.listPendingInvites)).Methods(http.MethodGet) router.HandleFunc("/api/v1/register", am.OpenAccess(aH.registerUser)).Methods(http.MethodPost) router.HandleFunc("/api/v1/login", am.OpenAccess(aH.loginUser)).Methods(http.MethodPost) router.HandleFunc("/api/v1/user", am.AdminAccess(aH.listUsers)).Methods(http.MethodGet) router.HandleFunc("/api/v1/user/{id}", am.SelfAccess(aH.getUser)).Methods(http.MethodGet) router.HandleFunc("/api/v1/user/{id}", am.SelfAccess(aH.editUser)).Methods(http.MethodPut) router.HandleFunc("/api/v1/user/{id}", am.AdminAccess(aH.deleteUser)).Methods(http.MethodDelete) router.HandleFunc("/api/v1/user/{id}/flags", am.SelfAccess(aH.patchUserFlag)).Methods(http.MethodPatch) router.HandleFunc("/api/v1/rbac/role/{id}", am.SelfAccess(aH.getRole)).Methods(http.MethodGet) router.HandleFunc("/api/v1/rbac/role/{id}", am.AdminAccess(aH.editRole)).Methods(http.MethodPut) router.HandleFunc("/api/v1/org", am.AdminAccess(aH.getOrgs)).Methods(http.MethodGet) router.HandleFunc("/api/v1/org/{id}", am.AdminAccess(aH.getOrg)).Methods(http.MethodGet) router.HandleFunc("/api/v1/org/{id}", am.AdminAccess(aH.editOrg)).Methods(http.MethodPut) router.HandleFunc("/api/v1/orgUsers/{id}", am.AdminAccess(aH.getOrgUsers)).Methods(http.MethodGet) router.HandleFunc("/api/v1/getResetPasswordToken/{id}", am.AdminAccess(aH.getResetPasswordToken)).Methods(http.MethodGet) router.HandleFunc("/api/v1/resetPassword", am.OpenAccess(aH.resetPassword)).Methods(http.MethodPost) router.HandleFunc("/api/v1/changePassword/{id}", am.SelfAccess(aH.changePassword)).Methods(http.MethodPost) } func Intersection(a, b []int) (c []int) { m := make(map[int]bool) for _, item := range a { m[item] = true } for _, item := range b { if _, ok := m[item]; ok { c = append(c, item) } } return } func (aH *APIHandler) getRule(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] ruleResponse, err := aH.ruleManager.GetRule(id) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, nil) return } aH.Respond(w, ruleResponse) } func (aH *APIHandler) metricAutocompleteMetricName(w http.ResponseWriter, r *http.Request) { matchText := r.URL.Query().Get("match") limit, err := strconv.Atoi(r.URL.Query().Get("limit")) if err != nil { limit = 0 // no limit } metricNameList, apiErrObj := aH.reader.GetMetricAutocompleteMetricNames(r.Context(), matchText, limit) if apiErrObj != nil { RespondError(w, apiErrObj, nil) return } aH.Respond(w, metricNameList) } func (aH *APIHandler) metricAutocompleteTagKey(w http.ResponseWriter, r *http.Request) { metricsAutocompleteTagKeyParams, apiErrorObj := parser.ParseMetricAutocompleteTagParams(r) if apiErrorObj != nil { RespondError(w, apiErrorObj, nil) return } tagKeyList, apiErrObj := aH.reader.GetMetricAutocompleteTagKey(r.Context(), metricsAutocompleteTagKeyParams) if apiErrObj != nil { RespondError(w, apiErrObj, nil) return } aH.Respond(w, tagKeyList) } func (aH *APIHandler) metricAutocompleteTagValue(w http.ResponseWriter, r *http.Request) { metricsAutocompleteTagValueParams, apiErrorObj := parser.ParseMetricAutocompleteTagParams(r) if len(metricsAutocompleteTagValueParams.TagKey) == 0 { apiErrObj := &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("tagKey not present in params")} RespondError(w, apiErrObj, nil) return } if apiErrorObj != nil { RespondError(w, apiErrorObj, nil) return } tagValueList, apiErrObj := aH.reader.GetMetricAutocompleteTagValue(r.Context(), metricsAutocompleteTagValueParams) if apiErrObj != nil { RespondError(w, apiErrObj, nil) return } aH.Respond(w, tagValueList) } func (aH *APIHandler) QueryRangeMetricsV2(w http.ResponseWriter, r *http.Request) { metricsQueryRangeParams, apiErrorObj := parser.ParseMetricQueryRangeParams(r) if apiErrorObj != nil { zap.S().Errorf(apiErrorObj.Err.Error()) RespondError(w, apiErrorObj, nil) return } // prometheus instant query needs same timestamp if metricsQueryRangeParams.CompositeMetricQuery.PanelType == model.QUERY_VALUE && metricsQueryRangeParams.CompositeMetricQuery.QueryType == model.PROM { metricsQueryRangeParams.Start = metricsQueryRangeParams.End } // round up the end to neaerest multiple if metricsQueryRangeParams.CompositeMetricQuery.QueryType == model.QUERY_BUILDER { end := (metricsQueryRangeParams.End) / 1000 step := metricsQueryRangeParams.Step metricsQueryRangeParams.End = (end / step * step) * 1000 } type channelResult struct { Series []*model.Series Err error Name string Query string } execClickHouseQueries := func(queries map[string]string) ([]*model.Series, error, map[string]string) { var seriesList []*model.Series ch := make(chan channelResult, len(queries)) var wg sync.WaitGroup for name, query := range queries { wg.Add(1) go func(name, query string) { defer wg.Done() seriesList, err := aH.reader.GetMetricResult(r.Context(), query) for _, series := range seriesList { series.QueryName = name } if err != nil { ch <- channelResult{Err: fmt.Errorf("error in query-%s: %v", name, err), Name: name, Query: query} return } ch <- channelResult{Series: seriesList} }(name, query) } wg.Wait() close(ch) var errs []error errQuriesByName := make(map[string]string) // read values from the channel for r := range ch { if r.Err != nil { errs = append(errs, r.Err) errQuriesByName[r.Name] = r.Query continue } seriesList = append(seriesList, r.Series...) } if len(errs) != 0 { return nil, fmt.Errorf("encountered multiple errors: %s", metrics.FormatErrs(errs, "\n")), errQuriesByName } return seriesList, nil, nil } execPromQueries := func(metricsQueryRangeParams *model.QueryRangeParamsV2) ([]*model.Series, error, map[string]string) { var seriesList []*model.Series ch := make(chan channelResult, len(metricsQueryRangeParams.CompositeMetricQuery.PromQueries)) var wg sync.WaitGroup for name, query := range metricsQueryRangeParams.CompositeMetricQuery.PromQueries { if query.Disabled { continue } wg.Add(1) go func(name string, query *model.PromQuery) { var seriesList []*model.Series defer wg.Done() tmpl := template.New("promql-query") tmpl, tmplErr := tmpl.Parse(query.Query) if tmplErr != nil { ch <- channelResult{Err: fmt.Errorf("error in parsing query-%s: %v", name, tmplErr), Name: name, Query: query.Query} return } var queryBuf bytes.Buffer tmplErr = tmpl.Execute(&queryBuf, metricsQueryRangeParams.Variables) if tmplErr != nil { ch <- channelResult{Err: fmt.Errorf("error in parsing query-%s: %v", name, tmplErr), Name: name, Query: query.Query} return } query.Query = queryBuf.String() queryModel := model.QueryRangeParams{ Start: time.UnixMilli(metricsQueryRangeParams.Start), End: time.UnixMilli(metricsQueryRangeParams.End), Step: time.Duration(metricsQueryRangeParams.Step * int64(time.Second)), Query: query.Query, } promResult, _, err := aH.reader.GetQueryRangeResult(r.Context(), &queryModel) if err != nil { ch <- channelResult{Err: fmt.Errorf("error in query-%s: %v", name, err), Name: name, Query: query.Query} return } matrix, _ := promResult.Matrix() for _, v := range matrix { var s model.Series s.QueryName = name s.Labels = v.Metric.Copy().Map() for _, p := range v.Points { s.Points = append(s.Points, model.MetricPoint{Timestamp: p.T, Value: p.V}) } seriesList = append(seriesList, &s) } ch <- channelResult{Series: seriesList} }(name, query) } wg.Wait() close(ch) var errs []error errQuriesByName := make(map[string]string) // read values from the channel for r := range ch { if r.Err != nil { errs = append(errs, r.Err) errQuriesByName[r.Name] = r.Query continue } seriesList = append(seriesList, r.Series...) } if len(errs) != 0 { return nil, fmt.Errorf("encountered multiple errors: %s", metrics.FormatErrs(errs, "\n")), errQuriesByName } return seriesList, nil, nil } var seriesList []*model.Series var err error var errQuriesByName map[string]string switch metricsQueryRangeParams.CompositeMetricQuery.QueryType { case model.QUERY_BUILDER: runQueries := metrics.PrepareBuilderMetricQueries(metricsQueryRangeParams, constants.SIGNOZ_TIMESERIES_TABLENAME) if runQueries.Err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: runQueries.Err}, nil) return } seriesList, err, errQuriesByName = execClickHouseQueries(runQueries.Queries) case model.CLICKHOUSE: queries := make(map[string]string) for name, chQuery := range metricsQueryRangeParams.CompositeMetricQuery.ClickHouseQueries { if chQuery.Disabled { continue } tmpl := template.New("clickhouse-query") tmpl, err := tmpl.Parse(chQuery.Query) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } var query bytes.Buffer // replace go template variables querytemplate.AssignReservedVars(metricsQueryRangeParams) err = tmpl.Execute(&query, metricsQueryRangeParams.Variables) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } queries[name] = query.String() } seriesList, err, errQuriesByName = execClickHouseQueries(queries) case model.PROM: seriesList, err, errQuriesByName = execPromQueries(metricsQueryRangeParams) default: err = fmt.Errorf("invalid query type") RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, errQuriesByName) return } if err != nil { apiErrObj := &model.ApiError{Typ: model.ErrorBadData, Err: err} RespondError(w, apiErrObj, errQuriesByName) return } if metricsQueryRangeParams.CompositeMetricQuery.PanelType == model.QUERY_VALUE && len(seriesList) > 1 && (metricsQueryRangeParams.CompositeMetricQuery.QueryType == model.QUERY_BUILDER || metricsQueryRangeParams.CompositeMetricQuery.QueryType == model.CLICKHOUSE) { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("invalid: query resulted in more than one series for value type")}, nil) return } type ResponseFormat struct { ResultType string `json:"resultType"` Result []*model.Series `json:"result"` } resp := ResponseFormat{ResultType: "matrix", Result: seriesList} aH.Respond(w, resp) } func (aH *APIHandler) listRules(w http.ResponseWriter, r *http.Request) { rules, err := aH.ruleManager.ListRuleStates() if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, nil) return } // todo(amol): need to add sorter aH.Respond(w, rules) } func (aH *APIHandler) getDashboards(w http.ResponseWriter, r *http.Request) { allDashboards, err := dashboards.GetDashboards() if err != nil { RespondError(w, err, nil) return } tagsFromReq, ok := r.URL.Query()["tags"] if !ok || len(tagsFromReq) == 0 || tagsFromReq[0] == "" { aH.Respond(w, allDashboards) return } tags2Dash := make(map[string][]int) for i := 0; i < len(allDashboards); i++ { tags, ok := (allDashboards)[i].Data["tags"].([]interface{}) if !ok { continue } tagsArray := make([]string, len(tags)) for i, v := range tags { tagsArray[i] = v.(string) } for _, tag := range tagsArray { tags2Dash[tag] = append(tags2Dash[tag], i) } } inter := make([]int, len(allDashboards)) for i := range inter { inter[i] = i } for _, tag := range tagsFromReq { inter = Intersection(inter, tags2Dash[tag]) } filteredDashboards := []dashboards.Dashboard{} for _, val := range inter { dash := (allDashboards)[val] filteredDashboards = append(filteredDashboards, dash) } aH.Respond(w, filteredDashboards) } func (aH *APIHandler) deleteDashboard(w http.ResponseWriter, r *http.Request) { uuid := mux.Vars(r)["uuid"] err := dashboards.DeleteDashboard(uuid) if err != nil { RespondError(w, err, nil) return } aH.Respond(w, nil) } func (aH *APIHandler) queryDashboardVars(w http.ResponseWriter, r *http.Request) { query := r.URL.Query().Get("query") if query == "" { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("query is required")}, nil) return } if strings.Contains(strings.ToLower(query), "alter table") { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("query shouldn't alter data")}, nil) return } dashboardVars, err := aH.reader.QueryDashboardVars(r.Context(), query) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } aH.Respond(w, dashboardVars) } func prepareQuery(r *http.Request) (string, error) { var postData *model.DashboardVars if err := json.NewDecoder(r.Body).Decode(&postData); err != nil { return "", fmt.Errorf("failed to decode request body: %v", err) } query := strings.TrimSpace(postData.Query) if query == "" { return "", fmt.Errorf("query is required") } notAllowedOps := []string{ "alter table", "drop table", "truncate table", "drop database", "drop view", "drop function", } for _, op := range notAllowedOps { if strings.Contains(strings.ToLower(query), op) { return "", fmt.Errorf("Operation %s is not allowed", op) } } vars := make(map[string]string) for k, v := range postData.Variables { vars[k] = metrics.FormattedValue(v) } tmpl := template.New("dashboard-vars") tmpl, tmplErr := tmpl.Parse(query) if tmplErr != nil { return "", tmplErr } var queryBuf bytes.Buffer tmplErr = tmpl.Execute(&queryBuf, vars) if tmplErr != nil { return "", tmplErr } return queryBuf.String(), nil } func (aH *APIHandler) queryDashboardVarsV2(w http.ResponseWriter, r *http.Request) { query, err := prepareQuery(r) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } dashboardVars, err := aH.reader.QueryDashboardVars(r.Context(), query) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } aH.Respond(w, dashboardVars) } func (aH *APIHandler) updateDashboard(w http.ResponseWriter, r *http.Request) { uuid := mux.Vars(r)["uuid"] var postData map[string]interface{} err := json.NewDecoder(r.Body).Decode(&postData) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, "Error reading request body") return } err = dashboards.IsPostDataSane(&postData) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, "Error reading request body") return } dashboard, apiError := dashboards.UpdateDashboard(uuid, postData) if apiError != nil { RespondError(w, apiError, nil) return } aH.Respond(w, dashboard) } func (aH *APIHandler) getDashboard(w http.ResponseWriter, r *http.Request) { uuid := mux.Vars(r)["uuid"] dashboard, apiError := dashboards.GetDashboard(uuid) if apiError != nil { RespondError(w, apiError, nil) return } aH.Respond(w, dashboard) } func (aH *APIHandler) saveAndReturn(w http.ResponseWriter, signozDashboard model.DashboardData) { toSave := make(map[string]interface{}) toSave["title"] = signozDashboard.Title toSave["description"] = signozDashboard.Description toSave["tags"] = signozDashboard.Tags toSave["layout"] = signozDashboard.Layout toSave["widgets"] = signozDashboard.Widgets toSave["variables"] = signozDashboard.Variables dashboard, apiError := dashboards.CreateDashboard(toSave) if apiError != nil { RespondError(w, apiError, nil) return } aH.Respond(w, dashboard) return } func (aH *APIHandler) createDashboardsTransform(w http.ResponseWriter, r *http.Request) { defer r.Body.Close() b, err := ioutil.ReadAll(r.Body) var importData model.GrafanaJSON err = json.Unmarshal(b, &importData) if err == nil { signozDashboard := dashboards.TransformGrafanaJSONToSignoz(importData) aH.saveAndReturn(w, signozDashboard) return } RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, "Error while creating dashboard from grafana json") } func (aH *APIHandler) createDashboards(w http.ResponseWriter, r *http.Request) { var postData map[string]interface{} err := json.NewDecoder(r.Body).Decode(&postData) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, "Error reading request body") return } err = dashboards.IsPostDataSane(&postData) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, "Error reading request body") return } dash, apiErr := dashboards.CreateDashboard(postData) if apiErr != nil { RespondError(w, apiErr, nil) return } aH.Respond(w, dash) } func (aH *APIHandler) testRule(w http.ResponseWriter, r *http.Request) { defer r.Body.Close() body, err := ioutil.ReadAll(r.Body) if err != nil { zap.S().Errorf("Error in getting req body in test rule API\n", err) RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute) defer cancel() alertCount, apiRrr := aH.ruleManager.TestNotification(ctx, string(body)) if apiRrr != nil { RespondError(w, apiRrr, nil) return } response := map[string]interface{}{ "alertCount": alertCount, "message": "notification sent", } aH.Respond(w, response) } func (aH *APIHandler) deleteRule(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] err := aH.ruleManager.DeleteRule(id) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, nil) return } aH.Respond(w, "rule successfully deleted") } // patchRule updates only requested changes in the rule func (aH *APIHandler) patchRule(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] defer r.Body.Close() body, err := ioutil.ReadAll(r.Body) if err != nil { zap.S().Errorf("msg: error in getting req body of patch rule API\n", "\t error:", err) RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } gettableRule, err := aH.ruleManager.PatchRule(string(body), id) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, nil) return } aH.Respond(w, gettableRule) } func (aH *APIHandler) editRule(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] defer r.Body.Close() body, err := ioutil.ReadAll(r.Body) if err != nil { zap.S().Errorf("msg: error in getting req body of edit rule API\n", "\t error:", err) RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } err = aH.ruleManager.EditRule(string(body), id) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, nil) return } aH.Respond(w, "rule successfully edited") } func (aH *APIHandler) getChannel(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] channel, apiErrorObj := aH.reader.GetChannel(id) if apiErrorObj != nil { RespondError(w, apiErrorObj, nil) return } aH.Respond(w, channel) } func (aH *APIHandler) deleteChannel(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] apiErrorObj := aH.reader.DeleteChannel(id) if apiErrorObj != nil { RespondError(w, apiErrorObj, nil) return } aH.Respond(w, "notification channel successfully deleted") } func (aH *APIHandler) listChannels(w http.ResponseWriter, r *http.Request) { channels, apiErrorObj := aH.reader.GetChannels() if apiErrorObj != nil { RespondError(w, apiErrorObj, nil) return } aH.Respond(w, channels) } // testChannels sends test alert to all registered channels func (aH *APIHandler) testChannel(w http.ResponseWriter, r *http.Request) { defer r.Body.Close() body, err := ioutil.ReadAll(r.Body) if err != nil { zap.S().Errorf("Error in getting req body of testChannel API\n", err) RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } receiver := &am.Receiver{} if err := json.Unmarshal(body, receiver); err != nil { // Parse []byte to go struct pointer zap.S().Errorf("Error in parsing req body of testChannel API\n", err) RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } // send alert apiErrorObj := aH.alertManager.TestReceiver(receiver) if apiErrorObj != nil { RespondError(w, apiErrorObj, nil) return } aH.Respond(w, "test alert sent") } func (aH *APIHandler) editChannel(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] defer r.Body.Close() body, err := ioutil.ReadAll(r.Body) if err != nil { zap.S().Errorf("Error in getting req body of editChannel API\n", err) RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } receiver := &am.Receiver{} if err := json.Unmarshal(body, receiver); err != nil { // Parse []byte to go struct pointer zap.S().Errorf("Error in parsing req body of editChannel API\n", err) RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } _, apiErrorObj := aH.reader.EditChannel(receiver, id) if apiErrorObj != nil { RespondError(w, apiErrorObj, nil) return } aH.Respond(w, nil) } func (aH *APIHandler) createChannel(w http.ResponseWriter, r *http.Request) { defer r.Body.Close() body, err := ioutil.ReadAll(r.Body) if err != nil { zap.S().Errorf("Error in getting req body of createChannel API\n", err) RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } receiver := &am.Receiver{} if err := json.Unmarshal(body, receiver); err != nil { // Parse []byte to go struct pointer zap.S().Errorf("Error in parsing req body of createChannel API\n", err) RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } _, apiErrorObj := aH.reader.CreateChannel(receiver) if apiErrorObj != nil { RespondError(w, apiErrorObj, nil) return } aH.Respond(w, nil) } func (aH *APIHandler) createRule(w http.ResponseWriter, r *http.Request) { defer r.Body.Close() body, err := ioutil.ReadAll(r.Body) if err != nil { zap.S().Errorf("Error in getting req body for create rule API\n", err) RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } err = aH.ruleManager.CreateRule(string(body)) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } aH.Respond(w, "rule successfully added") } func (aH *APIHandler) queryRangeMetricsFromClickhouse(w http.ResponseWriter, r *http.Request) { } func (aH *APIHandler) queryRangeMetrics(w http.ResponseWriter, r *http.Request) { query, apiErrorObj := parseQueryRangeRequest(r) if apiErrorObj != nil { RespondError(w, apiErrorObj, nil) return } // zap.S().Info(query, apiError) ctx := r.Context() if to := r.FormValue("timeout"); to != "" { var cancel context.CancelFunc timeout, err := parseMetricsDuration(to) if aH.HandleError(w, err, http.StatusBadRequest) { return } ctx, cancel = context.WithTimeout(ctx, timeout) defer cancel() } res, qs, apiError := aH.reader.GetQueryRangeResult(ctx, query) if apiError != nil { RespondError(w, apiError, nil) return } if res.Err != nil { zap.S().Error(res.Err) } if res.Err != nil { switch res.Err.(type) { case promql.ErrQueryCanceled: RespondError(w, &model.ApiError{model.ErrorCanceled, res.Err}, nil) case promql.ErrQueryTimeout: RespondError(w, &model.ApiError{model.ErrorTimeout, res.Err}, nil) } RespondError(w, &model.ApiError{model.ErrorExec, res.Err}, nil) return } response_data := &model.QueryData{ ResultType: res.Value.Type(), Result: res.Value, Stats: qs, } aH.Respond(w, response_data) } func (aH *APIHandler) queryMetrics(w http.ResponseWriter, r *http.Request) { queryParams, apiErrorObj := parseInstantQueryMetricsRequest(r) if apiErrorObj != nil { RespondError(w, apiErrorObj, nil) return } // zap.S().Info(query, apiError) ctx := r.Context() if to := r.FormValue("timeout"); to != "" { var cancel context.CancelFunc timeout, err := parseMetricsDuration(to) if aH.HandleError(w, err, http.StatusBadRequest) { return } ctx, cancel = context.WithTimeout(ctx, timeout) defer cancel() } res, qs, apiError := aH.reader.GetInstantQueryMetricsResult(ctx, queryParams) if apiError != nil { RespondError(w, apiError, nil) return } if res.Err != nil { zap.S().Error(res.Err) } if res.Err != nil { switch res.Err.(type) { case promql.ErrQueryCanceled: RespondError(w, &model.ApiError{model.ErrorCanceled, res.Err}, nil) case promql.ErrQueryTimeout: RespondError(w, &model.ApiError{model.ErrorTimeout, res.Err}, nil) } RespondError(w, &model.ApiError{model.ErrorExec, res.Err}, nil) } response_data := &model.QueryData{ ResultType: res.Value.Type(), Result: res.Value, Stats: qs, } aH.Respond(w, response_data) } func (aH *APIHandler) submitFeedback(w http.ResponseWriter, r *http.Request) { var postData map[string]interface{} err := json.NewDecoder(r.Body).Decode(&postData) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, "Error reading request body") return } message, ok := postData["message"] if !ok { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("message not present in request body")}, "Error reading message from request body") return } messageStr := fmt.Sprintf("%s", message) if len(messageStr) == 0 { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("empty message in request body")}, "empty message in request body") return } email := postData["email"] data := map[string]interface{}{ "email": email, "message": message, } telemetry.GetInstance().SendEvent(telemetry.TELEMETRY_EVENT_INPRODUCT_FEEDBACK, data) } func (aH *APIHandler) getTopOperations(w http.ResponseWriter, r *http.Request) { query, err := parseGetTopOperationsRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetTopOperations(r.Context(), query) if apiErr != nil && aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getUsage(w http.ResponseWriter, r *http.Request) { query, err := parseGetUsageRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, err := aH.reader.GetUsage(r.Context(), query) if aH.HandleError(w, err, http.StatusBadRequest) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getServiceOverview(w http.ResponseWriter, r *http.Request) { query, err := parseGetServiceOverviewRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetServiceOverview(r.Context(), query) if apiErr != nil && aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getServicesTopLevelOps(w http.ResponseWriter, r *http.Request) { result, apiErr := aH.reader.GetTopLevelOperations(r.Context()) if apiErr != nil { RespondError(w, apiErr, nil) return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getServices(w http.ResponseWriter, r *http.Request) { query, err := parseGetServicesRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetServices(r.Context(), query) if apiErr != nil && aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) { return } data := map[string]interface{}{ "number": len(*result), } telemetry.GetInstance().SendEvent(telemetry.TELEMETRY_EVENT_NUMBER_OF_SERVICES, data) if (data["number"] != 0) && (data["number"] != telemetry.DEFAULT_NUMBER_OF_SERVICES) { telemetry.GetInstance().AddActiveTracesUser() } aH.WriteJSON(w, r, result) } func (aH *APIHandler) dependencyGraph(w http.ResponseWriter, r *http.Request) { query, err := parseGetServicesRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, err := aH.reader.GetDependencyGraph(r.Context(), query) if aH.HandleError(w, err, http.StatusBadRequest) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getServicesList(w http.ResponseWriter, r *http.Request) { result, err := aH.reader.GetServicesList(r.Context()) if aH.HandleError(w, err, http.StatusBadRequest) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) SearchTraces(w http.ResponseWriter, r *http.Request) { traceId, spanId, levelUpInt, levelDownInt, err := ParseSearchTracesParams(r) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, "Error reading params") return } result, err := aH.reader.SearchTraces(r.Context(), traceId, spanId, levelUpInt, levelDownInt, 0, nil) if aH.HandleError(w, err, http.StatusBadRequest) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) listErrors(w http.ResponseWriter, r *http.Request) { query, err := parseListErrorsRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.ListErrors(r.Context(), query) if apiErr != nil && aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) countErrors(w http.ResponseWriter, r *http.Request) { query, err := parseCountErrorsRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.CountErrors(r.Context(), query) if apiErr != nil { RespondError(w, apiErr, nil) return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getErrorFromErrorID(w http.ResponseWriter, r *http.Request) { query, err := parseGetErrorRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetErrorFromErrorID(r.Context(), query) if apiErr != nil { RespondError(w, apiErr, nil) return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getNextPrevErrorIDs(w http.ResponseWriter, r *http.Request) { query, err := parseGetErrorRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetNextPrevErrorIDs(r.Context(), query) if apiErr != nil { RespondError(w, apiErr, nil) return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getErrorFromGroupID(w http.ResponseWriter, r *http.Request) { query, err := parseGetErrorRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetErrorFromGroupID(r.Context(), query) if apiErr != nil { RespondError(w, apiErr, nil) return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getSpanFilters(w http.ResponseWriter, r *http.Request) { query, err := parseSpanFilterRequestBody(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetSpanFilters(r.Context(), query) if apiErr != nil && aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getFilteredSpans(w http.ResponseWriter, r *http.Request) { query, err := parseFilteredSpansRequest(r, aH) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetFilteredSpans(r.Context(), query) if apiErr != nil && aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getFilteredSpanAggregates(w http.ResponseWriter, r *http.Request) { query, err := parseFilteredSpanAggregatesRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetFilteredSpansAggregates(r.Context(), query) if apiErr != nil && aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getTagFilters(w http.ResponseWriter, r *http.Request) { query, err := parseTagFilterRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetTagFilters(r.Context(), query) if apiErr != nil && aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getTagValues(w http.ResponseWriter, r *http.Request) { query, err := parseTagValueRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetTagValues(r.Context(), query) if apiErr != nil && aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) setTTL(w http.ResponseWriter, r *http.Request) { ttlParams, err := parseTTLParams(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } // Context is not used here as TTL is long duration DB operation result, apiErr := aH.reader.SetTTL(context.Background(), ttlParams) if apiErr != nil { if apiErr.Typ == model.ErrorConflict { aH.HandleError(w, apiErr.Err, http.StatusConflict) } else { aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) } return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getTTL(w http.ResponseWriter, r *http.Request) { ttlParams, err := parseGetTTL(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } result, apiErr := aH.reader.GetTTL(r.Context(), ttlParams) if apiErr != nil && aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getDisks(w http.ResponseWriter, r *http.Request) { result, apiErr := aH.reader.GetDisks(context.Background()) if apiErr != nil && aH.HandleError(w, apiErr.Err, http.StatusInternalServerError) { return } aH.WriteJSON(w, r, result) } func (aH *APIHandler) getVersion(w http.ResponseWriter, r *http.Request) { version := version.GetVersion() versionResponse := model.GetVersionResponse{ Version: version, EE: "Y", SetupCompleted: aH.SetupCompleted, } aH.WriteJSON(w, r, versionResponse) } func (aH *APIHandler) getFeatureFlags(w http.ResponseWriter, r *http.Request) { featureSet := aH.FF().GetFeatureFlags() aH.Respond(w, featureSet) } func (aH *APIHandler) FF() interfaces.FeatureLookup { return aH.featureFlags } func (aH *APIHandler) CheckFeature(f string) bool { err := aH.FF().CheckFeature(f) return err == nil } func (aH *APIHandler) getConfigs(w http.ResponseWriter, r *http.Request) { configs, err := signozio.FetchDynamicConfigs() if err != nil { aH.HandleError(w, err, http.StatusInternalServerError) return } aH.Respond(w, configs) } // getHealth is used to check the health of the service. // 'live' query param can be used to check liveliness of // the service by checking the database connection. func (aH *APIHandler) getHealth(w http.ResponseWriter, r *http.Request) { _, ok := r.URL.Query()["live"] if ok { err := aH.reader.CheckClickHouse(r.Context()) if err != nil { RespondError(w, &model.ApiError{Err: err, Typ: model.ErrorStatusServiceUnavailable}, nil) return } } aH.WriteJSON(w, r, map[string]string{"status": "ok"}) } // inviteUser is used to invite a user. It is used by an admin api. func (aH *APIHandler) inviteUser(w http.ResponseWriter, r *http.Request) { req, err := parseInviteRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } ctx := auth.AttachJwtToContext(context.Background(), r) resp, err := auth.Invite(ctx, req) if err != nil { RespondError(w, &model.ApiError{Err: err, Typ: model.ErrorInternal}, nil) return } aH.WriteJSON(w, r, resp) } // getInvite returns the invite object details for the given invite token. We do not need to // protect this API because invite token itself is meant to be private. func (aH *APIHandler) getInvite(w http.ResponseWriter, r *http.Request) { token := mux.Vars(r)["token"] resp, err := auth.GetInvite(context.Background(), token) if err != nil { RespondError(w, &model.ApiError{Err: err, Typ: model.ErrorNotFound}, nil) return } aH.WriteJSON(w, r, resp) } // revokeInvite is used to revoke an invite. func (aH *APIHandler) revokeInvite(w http.ResponseWriter, r *http.Request) { email := mux.Vars(r)["email"] ctx := auth.AttachJwtToContext(context.Background(), r) if err := auth.RevokeInvite(ctx, email); err != nil { RespondError(w, &model.ApiError{Err: err, Typ: model.ErrorInternal}, nil) return } aH.WriteJSON(w, r, map[string]string{"data": "invite revoked successfully"}) } // listPendingInvites is used to list the pending invites. func (aH *APIHandler) listPendingInvites(w http.ResponseWriter, r *http.Request) { ctx := context.Background() invites, err := dao.DB().GetInvites(ctx) if err != nil { RespondError(w, err, nil) return } // TODO(Ahsan): Querying org name based on orgId for each invite is not a good idea. Either // we should include org name field in the invite table, or do a join query. var resp []*model.InvitationResponseObject for _, inv := range invites { org, apiErr := dao.DB().GetOrg(ctx, inv.OrgId) if apiErr != nil { RespondError(w, apiErr, nil) } resp = append(resp, &model.InvitationResponseObject{ Name: inv.Name, Email: inv.Email, Token: inv.Token, CreatedAt: inv.CreatedAt, Role: inv.Role, Organization: org.Name, }) } aH.WriteJSON(w, r, resp) } // Register extends registerUser for non-internal packages func (aH *APIHandler) Register(w http.ResponseWriter, r *http.Request) { aH.registerUser(w, r) } func (aH *APIHandler) registerUser(w http.ResponseWriter, r *http.Request) { req, err := parseRegisterRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } _, apiErr := auth.Register(context.Background(), req) if apiErr != nil { RespondError(w, apiErr, nil) return } if !aH.SetupCompleted { // since the first user is now created, we can disable self-registration as // from here onwards, we expect admin (owner) to invite other users. aH.SetupCompleted = true } aH.Respond(w, nil) } func (aH *APIHandler) loginUser(w http.ResponseWriter, r *http.Request) { req, err := parseLoginRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } // c, err := r.Cookie("refresh-token") // if err != nil { // if err != http.ErrNoCookie { // w.WriteHeader(http.StatusBadRequest) // return // } // } // if c != nil { // req.RefreshToken = c.Value // } resp, err := auth.Login(context.Background(), req) if aH.HandleError(w, err, http.StatusUnauthorized) { return } // http.SetCookie(w, &http.Cookie{ // Name: "refresh-token", // Value: resp.RefreshJwt, // Expires: time.Unix(resp.RefreshJwtExpiry, 0), // HttpOnly: true, // }) aH.WriteJSON(w, r, resp) } func (aH *APIHandler) listUsers(w http.ResponseWriter, r *http.Request) { users, err := dao.DB().GetUsers(context.Background()) if err != nil { zap.S().Debugf("[listUsers] Failed to query list of users, err: %v", err) RespondError(w, err, nil) return } // mask the password hash for i := range users { users[i].Password = "" } aH.WriteJSON(w, r, users) } func (aH *APIHandler) getUser(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] ctx := context.Background() user, err := dao.DB().GetUser(ctx, id) if err != nil { zap.S().Debugf("[getUser] Failed to query user, err: %v", err) RespondError(w, err, "Failed to get user") return } if user == nil { RespondError(w, &model.ApiError{ Typ: model.ErrorInternal, Err: errors.New("User not found"), }, nil) return } // No need to send password hash for the user object. user.Password = "" aH.WriteJSON(w, r, user) } // editUser only changes the user's Name and ProfilePictureURL. It is intentionally designed // to not support update of orgId, Password, createdAt for the sucurity reasons. func (aH *APIHandler) editUser(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] update, err := parseUserRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } ctx := context.Background() old, apiErr := dao.DB().GetUser(ctx, id) if apiErr != nil { zap.S().Debugf("[editUser] Failed to query user, err: %v", err) RespondError(w, apiErr, nil) return } if len(update.Name) > 0 { old.Name = update.Name } if len(update.ProfilePirctureURL) > 0 { old.ProfilePirctureURL = update.ProfilePirctureURL } _, apiErr = dao.DB().EditUser(ctx, &model.User{ Id: old.Id, Name: old.Name, OrgId: old.OrgId, Email: old.Email, Password: old.Password, CreatedAt: old.CreatedAt, ProfilePirctureURL: old.ProfilePirctureURL, }) if apiErr != nil { RespondError(w, apiErr, nil) return } aH.WriteJSON(w, r, map[string]string{"data": "user updated successfully"}) } func (aH *APIHandler) deleteUser(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] // Query for the user's group, and the admin's group. If the user belongs to the admin group // and is the last user then don't let the deletion happen. Otherwise, the system will become // admin less and hence inaccessible. ctx := context.Background() user, apiErr := dao.DB().GetUser(ctx, id) if apiErr != nil { RespondError(w, apiErr, "Failed to get user's group") return } if user == nil { RespondError(w, &model.ApiError{ Typ: model.ErrorNotFound, Err: errors.New("User not found"), }, nil) return } adminGroup, apiErr := dao.DB().GetGroupByName(ctx, constants.AdminGroup) if apiErr != nil { RespondError(w, apiErr, "Failed to get admin group") return } adminUsers, apiErr := dao.DB().GetUsersByGroup(ctx, adminGroup.Id) if apiErr != nil { RespondError(w, apiErr, "Failed to get admin group users") return } if user.GroupId == adminGroup.Id && len(adminUsers) == 1 { RespondError(w, &model.ApiError{ Typ: model.ErrorInternal, Err: errors.New("cannot delete the last admin user")}, nil) return } err := dao.DB().DeleteUser(ctx, id) if err != nil { RespondError(w, err, "Failed to delete user") return } aH.WriteJSON(w, r, map[string]string{"data": "user deleted successfully"}) } // addUserFlag patches a user flags with the changes func (aH *APIHandler) patchUserFlag(w http.ResponseWriter, r *http.Request) { // read user id from path var userId := mux.Vars(r)["id"] // read input into user flag defer r.Body.Close() b, err := ioutil.ReadAll(r.Body) if err != nil { zap.S().Errorf("failed read user flags from http request for userId ", userId, "with error: ", err) RespondError(w, model.BadRequestStr("received user flags in invalid format"), nil) return } flags := make(map[string]string, 0) err = json.Unmarshal(b, &flags) if err != nil { zap.S().Errorf("failed parsing user flags for userId ", userId, "with error: ", err) RespondError(w, model.BadRequestStr("received user flags in invalid format"), nil) return } newflags, apiError := dao.DB().UpdateUserFlags(r.Context(), userId, flags) if !apiError.IsNil() { RespondError(w, apiError, nil) return } aH.Respond(w, newflags) } func (aH *APIHandler) getRole(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] user, err := dao.DB().GetUser(context.Background(), id) if err != nil { RespondError(w, err, "Failed to get user's group") return } if user == nil { RespondError(w, &model.ApiError{ Typ: model.ErrorNotFound, Err: errors.New("No user found"), }, nil) return } group, err := dao.DB().GetGroup(context.Background(), user.GroupId) if err != nil { RespondError(w, err, "Failed to get group") return } aH.WriteJSON(w, r, &model.UserRole{UserId: id, GroupName: group.Name}) } func (aH *APIHandler) editRole(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] req, err := parseUserRoleRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } ctx := context.Background() newGroup, apiErr := dao.DB().GetGroupByName(ctx, req.GroupName) if apiErr != nil { RespondError(w, apiErr, "Failed to get user's group") return } if newGroup == nil { RespondError(w, apiErr, "Specified group is not present") return } user, apiErr := dao.DB().GetUser(ctx, id) if apiErr != nil { RespondError(w, apiErr, "Failed to fetch user group") return } // Make sure that the request is not demoting the last admin user. if user.GroupId == auth.AuthCacheObj.AdminGroupId { adminUsers, apiErr := dao.DB().GetUsersByGroup(ctx, auth.AuthCacheObj.AdminGroupId) if apiErr != nil { RespondError(w, apiErr, "Failed to fetch adminUsers") return } if len(adminUsers) == 1 { RespondError(w, &model.ApiError{ Err: errors.New("Cannot demote the last admin"), Typ: model.ErrorInternal}, nil) return } } apiErr = dao.DB().UpdateUserGroup(context.Background(), user.Id, newGroup.Id) if apiErr != nil { RespondError(w, apiErr, "Failed to add user to group") return } aH.WriteJSON(w, r, map[string]string{"data": "user group updated successfully"}) } func (aH *APIHandler) getOrgs(w http.ResponseWriter, r *http.Request) { orgs, apiErr := dao.DB().GetOrgs(context.Background()) if apiErr != nil { RespondError(w, apiErr, "Failed to fetch orgs from the DB") return } aH.WriteJSON(w, r, orgs) } func (aH *APIHandler) getOrg(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] org, apiErr := dao.DB().GetOrg(context.Background(), id) if apiErr != nil { RespondError(w, apiErr, "Failed to fetch org from the DB") return } aH.WriteJSON(w, r, org) } func (aH *APIHandler) editOrg(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] req, err := parseEditOrgRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } req.Id = id if apiErr := dao.DB().EditOrg(context.Background(), req); apiErr != nil { RespondError(w, apiErr, "Failed to update org in the DB") return } data := map[string]interface{}{ "hasOptedUpdates": req.HasOptedUpdates, "isAnonymous": req.IsAnonymous, "organizationName": req.Name, } telemetry.GetInstance().SendEvent(telemetry.TELEMETRY_EVENT_ORG_SETTINGS, data) aH.WriteJSON(w, r, map[string]string{"data": "org updated successfully"}) } func (aH *APIHandler) getOrgUsers(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] users, apiErr := dao.DB().GetUsersByOrg(context.Background(), id) if apiErr != nil { RespondError(w, apiErr, "Failed to fetch org users from the DB") return } // mask the password hash for i := range users { users[i].Password = "" } aH.WriteJSON(w, r, users) } func (aH *APIHandler) getResetPasswordToken(w http.ResponseWriter, r *http.Request) { id := mux.Vars(r)["id"] resp, err := auth.CreateResetPasswordToken(context.Background(), id) if err != nil { RespondError(w, &model.ApiError{ Typ: model.ErrorInternal, Err: err}, "Failed to create reset token entry in the DB") return } aH.WriteJSON(w, r, resp) } func (aH *APIHandler) resetPassword(w http.ResponseWriter, r *http.Request) { req, err := parseResetPasswordRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } if err := auth.ResetPassword(context.Background(), req); err != nil { zap.S().Debugf("resetPassword failed, err: %v\n", err) if aH.HandleError(w, err, http.StatusInternalServerError) { return } } aH.WriteJSON(w, r, map[string]string{"data": "password reset successfully"}) } func (aH *APIHandler) changePassword(w http.ResponseWriter, r *http.Request) { req, err := parseChangePasswordRequest(r) if aH.HandleError(w, err, http.StatusBadRequest) { return } if err := auth.ChangePassword(context.Background(), req); err != nil { if aH.HandleError(w, err, http.StatusInternalServerError) { return } } aH.WriteJSON(w, r, map[string]string{"data": "password changed successfully"}) } // func (aH *APIHandler) getApplicationPercentiles(w http.ResponseWriter, r *http.Request) { // // vars := mux.Vars(r) // query, err := parseApplicationPercentileRequest(r) // if aH.HandleError(w, err, http.StatusBadRequest) { // return // } // result, err := aH.reader.GetApplicationPercentiles(context.Background(), query) // if aH.HandleError(w, err, http.StatusBadRequest) { // return // } // aH.WriteJSON(w, r, result) // } func (aH *APIHandler) HandleError(w http.ResponseWriter, err error, statusCode int) bool { if err == nil { return false } if statusCode == http.StatusInternalServerError { zap.S().Error("HTTP handler, Internal Server Error", zap.Error(err)) } structuredResp := structuredResponse{ Errors: []structuredError{ { Code: statusCode, Msg: err.Error(), }, }, } resp, _ := json.Marshal(&structuredResp) http.Error(w, string(resp), statusCode) return true } func (aH *APIHandler) WriteJSON(w http.ResponseWriter, r *http.Request, response interface{}) { marshall := json.Marshal if prettyPrint := r.FormValue("pretty"); prettyPrint != "" && prettyPrint != "false" { marshall = func(v interface{}) ([]byte, error) { return json.MarshalIndent(v, "", " ") } } resp, _ := marshall(response) w.Header().Set("Content-Type", "application/json") w.Write(resp) } // logs func (aH *APIHandler) RegisterLogsRoutes(router *mux.Router, am *AuthMiddleware) { subRouter := router.PathPrefix("/api/v1/logs").Subrouter() subRouter.HandleFunc("", am.ViewAccess(aH.getLogs)).Methods(http.MethodGet) subRouter.HandleFunc("/tail", am.ViewAccess(aH.tailLogs)).Methods(http.MethodGet) subRouter.HandleFunc("/fields", am.ViewAccess(aH.logFields)).Methods(http.MethodGet) subRouter.HandleFunc("/fields", am.EditAccess(aH.logFieldUpdate)).Methods(http.MethodPost) subRouter.HandleFunc("/aggregate", am.ViewAccess(aH.logAggregate)).Methods(http.MethodGet) } func (aH *APIHandler) logFields(w http.ResponseWriter, r *http.Request) { fields, apiErr := aH.reader.GetLogFields(r.Context()) if apiErr != nil { RespondError(w, apiErr, "Failed to fetch fields from the DB") return } aH.WriteJSON(w, r, fields) } func (aH *APIHandler) logFieldUpdate(w http.ResponseWriter, r *http.Request) { field := model.UpdateField{} if err := json.NewDecoder(r.Body).Decode(&field); err != nil { apiErr := &model.ApiError{Typ: model.ErrorBadData, Err: err} RespondError(w, apiErr, "Failed to decode payload") return } err := logs.ValidateUpdateFieldPayload(&field) if err != nil { apiErr := &model.ApiError{Typ: model.ErrorBadData, Err: err} RespondError(w, apiErr, "Incorrect payload") return } apiErr := aH.reader.UpdateLogField(r.Context(), &field) if apiErr != nil { RespondError(w, apiErr, "Failed to update filed in the DB") return } aH.WriteJSON(w, r, field) } func (aH *APIHandler) getLogs(w http.ResponseWriter, r *http.Request) { params, err := logs.ParseLogFilterParams(r) if err != nil { apiErr := &model.ApiError{Typ: model.ErrorBadData, Err: err} RespondError(w, apiErr, "Incorrect params") return } res, apiErr := aH.reader.GetLogs(r.Context(), params) if apiErr != nil { RespondError(w, apiErr, "Failed to fetch logs from the DB") return } aH.WriteJSON(w, r, map[string]interface{}{"results": res}) } func (aH *APIHandler) tailLogs(w http.ResponseWriter, r *http.Request) { params, err := logs.ParseLogFilterParams(r) if err != nil { apiErr := &model.ApiError{Typ: model.ErrorBadData, Err: err} RespondError(w, apiErr, "Incorrect params") return } // create the client client := &model.LogsTailClient{Name: r.RemoteAddr, Logs: make(chan *model.GetLogsResponse, 1000), Done: make(chan *bool), Error: make(chan error), Filter: *params} go aH.reader.TailLogs(r.Context(), client) w.Header().Set("Connection", "keep-alive") w.Header().Set("Content-Type", "text/event-stream") w.Header().Set("Cache-Control", "no-cache") w.Header().Set("Access-Control-Allow-Origin", "*") w.WriteHeader(200) flusher, ok := w.(http.Flusher) if !ok { err := model.ApiError{Typ: model.ErrorStreamingNotSupported, Err: nil} RespondError(w, &err, "streaming is not supported") return } // flush the headers flusher.Flush() for { select { case log := <-client.Logs: var buf bytes.Buffer enc := json.NewEncoder(&buf) enc.Encode(log) fmt.Fprintf(w, "data: %v\n\n", buf.String()) flusher.Flush() case <-client.Done: zap.S().Debug("done!") return case err := <-client.Error: zap.S().Error("error occured!", err) return } } } func (aH *APIHandler) logAggregate(w http.ResponseWriter, r *http.Request) { params, err := logs.ParseLogAggregateParams(r) if err != nil { apiErr := &model.ApiError{Typ: model.ErrorBadData, Err: err} RespondError(w, apiErr, "Incorrect params") return } res, apiErr := aH.reader.AggregateLogs(r.Context(), params) if apiErr != nil { RespondError(w, apiErr, "Failed to fetch logs aggregate from the DB") return } aH.WriteJSON(w, r, res) } func (aH *APIHandler) getExplorerQueries(w http.ResponseWriter, r *http.Request) { queries, err := explorer.GetQueries() if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, nil) return } aH.Respond(w, queries) } func (aH *APIHandler) createExplorerQueries(w http.ResponseWriter, r *http.Request) { var query v3.ExplorerQuery err := json.NewDecoder(r.Body).Decode(&query) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } // validate the query if err := query.Validate(); err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } uuid, err := explorer.CreateQuery(query) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, nil) return } aH.Respond(w, uuid) } func (aH *APIHandler) getExplorerQuery(w http.ResponseWriter, r *http.Request) { queryID := mux.Vars(r)["queryId"] query, err := explorer.GetQuery(queryID) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, nil) return } aH.Respond(w, query) } func (aH *APIHandler) updateExplorerQuery(w http.ResponseWriter, r *http.Request) { queryID := mux.Vars(r)["queryId"] var query v3.ExplorerQuery err := json.NewDecoder(r.Body).Decode(&query) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } // validate the query if err := query.Validate(); err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } err = explorer.UpdateQuery(queryID, query) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, nil) return } aH.Respond(w, query) } func (aH *APIHandler) deleteExplorerQuery(w http.ResponseWriter, r *http.Request) { queryID := mux.Vars(r)["queryId"] err := explorer.DeleteQuery(queryID) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorInternal, Err: err}, nil) return } aH.Respond(w, nil) } func (aH *APIHandler) autocompleteAggregateAttributes(w http.ResponseWriter, r *http.Request) { var response *v3.AggregateAttributeResponse req, err := parseAggregateAttributeRequest(r) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } switch req.DataSource { case v3.DataSourceMetrics: response, err = aH.reader.GetMetricAggregateAttributes(r.Context(), req) case v3.DataSourceLogs: response, err = aH.reader.GetLogAggregateAttributes(r.Context(), req) case v3.DataSourceTraces: // TODO: implement default: RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("invalid data source")}, nil) return } if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } aH.Respond(w, response) } func (aH *APIHandler) autoCompleteAttributeKeys(w http.ResponseWriter, r *http.Request) { var response *v3.FilterAttributeKeyResponse req, err := parseFilterAttributeKeyRequest(r) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } switch req.DataSource { case v3.DataSourceMetrics: response, err = aH.reader.GetMetricAttributeKeys(r.Context(), req) case v3.DataSourceLogs: response, err = aH.reader.GetLogAttributeKeys(r.Context(), req) case v3.DataSourceTraces: // TODO: implement default: RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("invalid data source")}, nil) return } if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } aH.Respond(w, response) } func (aH *APIHandler) autoCompleteAttributeValues(w http.ResponseWriter, r *http.Request) { var response *v3.FilterAttributeValueResponse req, err := parseFilterAttributeValueRequest(r) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } switch req.DataSource { case v3.DataSourceMetrics: response, err = aH.reader.GetMetricAttributeValues(r.Context(), req) case v3.DataSourceLogs: response, err = aH.reader.GetLogAttributeValues(r.Context(), req) case v3.DataSourceTraces: // TODO: implement default: RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("invalid data source")}, nil) return } if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } aH.Respond(w, response) } func (aH *APIHandler) execClickHouseQueries(ctx context.Context, queries map[string]string) ([]*v3.Result, error, map[string]string) { type channelResult struct { Series []*v3.Series Err error Name string Query string } ch := make(chan channelResult, len(queries)) var wg sync.WaitGroup for name, query := range queries { wg.Add(1) go func(name, query string) { defer wg.Done() seriesList, err := aH.reader.GetTimeSeriesResultV3(ctx, query) if err != nil { ch <- channelResult{Err: fmt.Errorf("error in query-%s: %v", name, err), Name: name, Query: query} return } ch <- channelResult{Series: seriesList, Name: name, Query: query} }(name, query) } wg.Wait() close(ch) var errs []error errQuriesByName := make(map[string]string) res := make([]*v3.Result, 0) // read values from the channel for r := range ch { if r.Err != nil { errs = append(errs, r.Err) errQuriesByName[r.Name] = r.Query continue } res = append(res, &v3.Result{ QueryName: r.Name, Series: r.Series, }) } if len(errs) != 0 { return nil, fmt.Errorf("encountered multiple errors: %s", multierr.Combine(errs...)), errQuriesByName } return res, nil, nil } func (aH *APIHandler) execPromQueries(ctx context.Context, metricsQueryRangeParams *v3.QueryRangeParamsV3) ([]*v3.Result, error, map[string]string) { type channelResult struct { Series []*v3.Series Err error Name string Query string } ch := make(chan channelResult, len(metricsQueryRangeParams.CompositeQuery.PromQueries)) var wg sync.WaitGroup for name, query := range metricsQueryRangeParams.CompositeQuery.PromQueries { if query.Disabled { continue } wg.Add(1) go func(name string, query *v3.PromQuery) { var seriesList []*v3.Series defer wg.Done() tmpl := template.New("promql-query") tmpl, tmplErr := tmpl.Parse(query.Query) if tmplErr != nil { ch <- channelResult{Err: fmt.Errorf("error in parsing query-%s: %v", name, tmplErr), Name: name, Query: query.Query} return } var queryBuf bytes.Buffer tmplErr = tmpl.Execute(&queryBuf, metricsQueryRangeParams.Variables) if tmplErr != nil { ch <- channelResult{Err: fmt.Errorf("error in parsing query-%s: %v", name, tmplErr), Name: name, Query: query.Query} return } query.Query = queryBuf.String() queryModel := model.QueryRangeParams{ Start: time.UnixMilli(metricsQueryRangeParams.Start), End: time.UnixMilli(metricsQueryRangeParams.End), Step: time.Duration(metricsQueryRangeParams.Step * int64(time.Second)), Query: query.Query, } promResult, _, err := aH.reader.GetQueryRangeResult(ctx, &queryModel) if err != nil { ch <- channelResult{Err: fmt.Errorf("error in query-%s: %v", name, err), Name: name, Query: query.Query} return } matrix, _ := promResult.Matrix() for _, v := range matrix { var s v3.Series s.Labels = v.Metric.Copy().Map() for _, p := range v.Points { s.Points = append(s.Points, v3.Point{Timestamp: p.T, Value: p.V}) } seriesList = append(seriesList, &s) } ch <- channelResult{Series: seriesList, Name: name, Query: query.Query} }(name, query) } wg.Wait() close(ch) var errs []error errQuriesByName := make(map[string]string) res := make([]*v3.Result, 0) // read values from the channel for r := range ch { if r.Err != nil { errs = append(errs, r.Err) errQuriesByName[r.Name] = r.Query continue } res = append(res, &v3.Result{ QueryName: r.Name, Series: r.Series, }) } if len(errs) != 0 { return nil, fmt.Errorf("encountered multiple errors: %s", multierr.Combine(errs...)), errQuriesByName } return res, nil, nil } func (aH *APIHandler) queryRangeV3(queryRangeParams *v3.QueryRangeParamsV3, w http.ResponseWriter, r *http.Request) { var result []*v3.Result var err error var errQuriesByName map[string]string switch queryRangeParams.CompositeQuery.QueryType { case v3.QueryTypeBuilder: queries, err := aH.queryBuilder.prepareQueries(queryRangeParams) if err != nil { RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, nil) return } result, err, errQuriesByName = aH.execClickHouseQueries(r.Context(), queries) case v3.QueryTypeClickHouseSQL: queries := make(map[string]string) for name, query := range queryRangeParams.CompositeQuery.ClickHouseQueries { if query.Disabled { continue } queries[name] = query.Query } result, err, errQuriesByName = aH.execClickHouseQueries(r.Context(), queries) case v3.QueryTypePromQL: result, err, errQuriesByName = aH.execPromQueries(r.Context(), queryRangeParams) default: err = fmt.Errorf("invalid query type") RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: err}, errQuriesByName) return } if err != nil { apiErrObj := &model.ApiError{Typ: model.ErrorBadData, Err: err} RespondError(w, apiErrObj, errQuriesByName) return } resp := v3.QueryRangeResponse{ Result: result, } aH.Respond(w, resp) } func (aH *APIHandler) QueryRangeV3(w http.ResponseWriter, r *http.Request) { queryRangeParams, apiErrorObj := ParseQueryRangeParams(r) if apiErrorObj != nil { zap.S().Errorf(apiErrorObj.Err.Error()) RespondError(w, apiErrorObj, nil) return } aH.queryRangeV3(queryRangeParams, w, r) }