package metricdata import ( "bufio" "bytes" "context" "encoding/json" "errors" "fmt" "log" "net/http" "strconv" "time" "github.com/ClusterCockpit/cc-jobarchive/config" "github.com/ClusterCockpit/cc-jobarchive/schema" ) type CCMetricStore struct { jwt string url string client http.Client } type ApiRequestBody struct { Metrics []string `json:"metrics"` Selectors [][]string `json:"selectors"` } type ApiMetricData struct { Error *string `json:"error"` From int64 `json:"from"` To int64 `json:"to"` Data []schema.Float `json:"data"` Avg schema.Float `json:"avg"` Min schema.Float `json:"min"` Max schema.Float `json:"max"` } type ApiStatsData struct { Error *string `json:"error"` From int64 `json:"from"` To int64 `json:"to"` Samples int `json:"samples"` Avg schema.Float `json:"avg"` Min schema.Float `json:"min"` Max schema.Float `json:"max"` } func (ccms *CCMetricStore) Init(url, token string) error { ccms.url = url ccms.jwt = token return nil } func (ccms *CCMetricStore) doRequest(job *schema.Job, suffix string, metrics []string, ctx context.Context) (*http.Response, error) { from, to := job.StartTime.Unix(), job.StartTime.Add(time.Duration(job.Duration)*time.Second).Unix() reqBody := ApiRequestBody{} reqBody.Metrics = metrics for _, node := range job.Resources { if node.Accelerators != nil || node.HWThreads != nil { // TODO/FIXME: return nil, errors.New("todo: cc-metric-store resources: Accelerator/HWThreads") } reqBody.Selectors = append(reqBody.Selectors, []string{job.Cluster, node.Hostname}) } reqBodyBytes, err := json.Marshal(reqBody) if err != nil { return nil, err } req, err := http.NewRequestWithContext(ctx, http.MethodPost, fmt.Sprintf("%s/api/%d/%d/%s", ccms.url, from, to, suffix), bytes.NewReader(reqBodyBytes)) if err != nil { return nil, err } if ccms.jwt != "" { req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", ccms.jwt)) } return ccms.client.Do(req) } func (ccms *CCMetricStore) LoadData(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context) (schema.JobData, error) { // log.Printf("job: %#v", job) type ApiQuery struct { Metric string `json:"metric"` Hostname string `json:"hostname"` Type *string `json:"type,omitempty"` TypeIds []string `json:"type-ids,omitempty"` SubType *string `json:"subtype,omitempty"` SubTypeIds []string `json:"subtype-ids,omitempty"` } type ApiQueryRequest struct { Cluster string `json:"cluster"` From int64 `json:"from"` To int64 `json:"to"` Queries []ApiQuery `json:"queries"` } type ApiQueryResponse struct { ApiMetricData Query *ApiQuery `json:"query"` } reqBody := ApiQueryRequest{ Cluster: job.Cluster, From: job.StartTime.Unix(), To: job.StartTime.Add(time.Duration(job.Duration) * time.Second).Unix(), Queries: make([]ApiQuery, 0), } if len(scopes) != 1 { return nil, errors.New("todo: support more than one scope in a query") } topology := config.GetPartition(job.Cluster, job.Partition).Topology scopeForMetric := map[string]schema.MetricScope{} for _, metric := range metrics { mc := config.GetMetricConfig(job.Cluster, metric) if mc == nil { // return nil, fmt.Errorf("metric '%s' is not specified for cluster '%s'", metric, job.Cluster) log.Printf("metric '%s' is not specified for cluster '%s'", metric, job.Cluster) continue } nativeScope, requestedScope := mc.Scope, scopes[0] // case 1: A metric is requested at node scope with a native scope of node as well // case 2: A metric is requested at node scope and node is exclusive // case 3: A metric has native scope node if (nativeScope == requestedScope && nativeScope == schema.MetricScopeNode) || (job.Exclusive == 1 && requestedScope == schema.MetricScopeNode) || (nativeScope == schema.MetricScopeNode) { nodes := map[string]bool{} for _, resource := range job.Resources { nodes[resource.Hostname] = true } for node := range nodes { reqBody.Queries = append(reqBody.Queries, ApiQuery{ Metric: metric, Hostname: node, }) } scopeForMetric[metric] = schema.MetricScopeNode continue } // case: Read a metric at hwthread scope with native scope hwthread if nativeScope == requestedScope && nativeScope == schema.MetricScopeHWThread && job.NumNodes == 1 { hwthreads := job.Resources[0].HWThreads if hwthreads == nil { hwthreads = topology.Node } t := "cpu" // TODO/FIXME: inconsistency between cc-metric-collector and ClusterCockpit for _, hwthread := range hwthreads { reqBody.Queries = append(reqBody.Queries, ApiQuery{ Metric: metric, Hostname: job.Resources[0].Hostname, Type: &t, TypeIds: []string{strconv.Itoa(hwthread)}, }) } scopeForMetric[metric] = schema.MetricScopeHWThread continue } // case: A metric is requested at node scope, has a hwthread scope and node is not exclusive and runs on a single node if requestedScope == schema.MetricScopeNode && nativeScope == schema.MetricScopeHWThread && job.Exclusive != 1 && job.NumNodes == 1 { hwthreads := job.Resources[0].HWThreads if hwthreads == nil { hwthreads = topology.Node } t := "cpu" // TODO/FIXME: inconsistency between cc-metric-collector and ClusterCockpit ids := make([]string, 0, len(hwthreads)) for _, hwthread := range hwthreads { ids = append(ids, strconv.Itoa(hwthread)) } reqBody.Queries = append(reqBody.Queries, ApiQuery{ Metric: metric, Hostname: job.Resources[0].Hostname, Type: &t, TypeIds: ids, }) scopeForMetric[metric] = schema.MetricScopeNode continue } // TODO: Job teilt sich knoten und metric native scope ist kleiner als node panic("todo") } // log.Printf("query: %#v", reqBody) buf := &bytes.Buffer{} if err := json.NewEncoder(buf).Encode(reqBody); err != nil { return nil, err } req, err := http.NewRequestWithContext(ctx, http.MethodPost, ccms.url+"/api/query", buf) if err != nil { return nil, err } if ccms.jwt != "" { req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", ccms.jwt)) } res, err := ccms.client.Do(req) if err != nil { return nil, err } if res.StatusCode != http.StatusOK { return nil, fmt.Errorf("cc-metric-store replied with: %s", res.Status) } var resBody []ApiQueryResponse if err := json.NewDecoder(bufio.NewReader(res.Body)).Decode(&resBody); err != nil { return nil, err } // log.Printf("response: %#v", resBody) var jobData schema.JobData = make(schema.JobData) for _, res := range resBody { metric := res.Query.Metric if _, ok := jobData[metric]; !ok { jobData[metric] = make(map[schema.MetricScope]*schema.JobMetric) } if res.Error != nil { return nil, fmt.Errorf("cc-metric-store error while fetching %s: %s", metric, *res.Error) } mc := config.GetMetricConfig(job.Cluster, metric) scope := scopeForMetric[metric] jobMetric, ok := jobData[metric][scope] if !ok { jobMetric = &schema.JobMetric{ Unit: mc.Unit, Scope: scope, Timestep: mc.Timestep, Series: make([]schema.Series, 0), } jobData[metric][scope] = jobMetric } id := (*int)(nil) if res.Query.Type != nil { id = new(int) *id, _ = strconv.Atoi(res.Query.TypeIds[0]) } if res.Avg.IsNaN() || res.Min.IsNaN() || res.Max.IsNaN() { // TODO: use schema.Float instead of float64? // This is done because regular float64 can not be JSONed when NaN. res.Avg = schema.Float(0) res.Min = schema.Float(0) res.Max = schema.Float(0) } jobMetric.Series = append(jobMetric.Series, schema.Series{ Hostname: res.Query.Hostname, Id: id, Statistics: &schema.MetricStatistics{ Avg: float64(res.Avg), Min: float64(res.Min), Max: float64(res.Max), }, Data: res.Data, }) } return jobData, nil } func (ccms *CCMetricStore) LoadStats(job *schema.Job, metrics []string, ctx context.Context) (map[string]map[string]schema.MetricStatistics, error) { res, err := ccms.doRequest(job, "stats", metrics, ctx) if err != nil { return nil, err } resdata := make([]map[string]ApiStatsData, 0, len(job.Resources)) if err := json.NewDecoder(res.Body).Decode(&resdata); err != nil { return nil, err } stats := map[string]map[string]schema.MetricStatistics{} for _, metric := range metrics { nodestats := map[string]schema.MetricStatistics{} for i, node := range job.Resources { if node.Accelerators != nil || node.HWThreads != nil { // TODO/FIXME: return nil, errors.New("todo: cc-metric-store resources: Accelerator/HWThreads") } data := resdata[i][metric] if data.Error != nil { return nil, errors.New(*data.Error) } if data.Samples == 0 { return nil, fmt.Errorf("no data for node '%s' and metric '%s'", node.Hostname, metric) } nodestats[node.Hostname] = schema.MetricStatistics{ Avg: float64(data.Avg), Min: float64(data.Min), Max: float64(data.Max), } } stats[metric] = nodestats } return stats, nil } func (ccms *CCMetricStore) LoadNodeData(clusterId string, metrics, nodes []string, from, to int64, ctx context.Context) (map[string]map[string][]schema.Float, error) { reqBody := ApiRequestBody{} reqBody.Metrics = metrics for _, node := range nodes { reqBody.Selectors = append(reqBody.Selectors, []string{clusterId, node}) } reqBodyBytes, err := json.Marshal(reqBody) if err != nil { return nil, err } var req *http.Request if nodes == nil { req, err = http.NewRequestWithContext(ctx, http.MethodPost, fmt.Sprintf("%s/api/%s/%d/%d/all-nodes", ccms.url, clusterId, from, to), bytes.NewReader(reqBodyBytes)) } else { req, err = http.NewRequestWithContext(ctx, http.MethodPost, fmt.Sprintf("%s/api/%d/%d/timeseries", ccms.url, from, to), bytes.NewReader(reqBodyBytes)) } if err != nil { return nil, err } if ccms.jwt != "" { req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", ccms.jwt)) } res, err := ccms.client.Do(req) if err != nil { return nil, err } data := map[string]map[string][]schema.Float{} if nodes == nil { resdata := map[string]map[string]ApiMetricData{} if err := json.NewDecoder(res.Body).Decode(&resdata); err != nil { return nil, err } for node, metrics := range resdata { nodedata := map[string][]schema.Float{} for metric, data := range metrics { if data.Error != nil { return nil, errors.New(*data.Error) } nodedata[metric] = data.Data } data[node] = nodedata } } else { resdata := make([]map[string]ApiMetricData, 0, len(nodes)) if err := json.NewDecoder(res.Body).Decode(&resdata); err != nil { return nil, err } for i, node := range nodes { metricsData := map[string][]schema.Float{} for metric, data := range resdata[i] { if data.Error != nil { return nil, errors.New(*data.Error) } metricsData[metric] = data.Data } data[node] = metricsData } } return data, nil }