package metricdata import ( "bytes" "context" "encoding/json" "errors" "fmt" "net/http" "os" "time" "github.com/ClusterCockpit/cc-jobarchive/config" "github.com/ClusterCockpit/cc-jobarchive/graph/model" "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 *float64 `json:"avg"` Min *float64 `json:"min"` Max *float64 `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() error { ccms.url = os.Getenv("CCMETRICSTORE_URL") ccms.jwt = os.Getenv("CCMETRICSTORE_JWT") if ccms.url == "" || ccms.jwt == "" { return errors.New("environment variables 'CCMETRICSTORE_URL' or 'CCMETRICSTORE_JWT' not set") } return nil } func (ccms *CCMetricStore) LoadData(job *model.Job, metrics []string, ctx context.Context) (schema.JobData, error) { from, to := job.StartTime.Unix(), job.StartTime.Add(time.Duration(job.Duration)*time.Second) reqBody := ApiRequestBody{} reqBody.Metrics = metrics for _, node := range job.Nodes { reqBody.Selectors = append(reqBody.Selectors, []string{job.ClusterID, node}) } reqBodyBytes, err := json.Marshal(reqBody) if err != nil { return nil, err } authHeader := fmt.Sprintf("Bearer %s", ccms.jwt) req, err := http.NewRequestWithContext(ctx, http.MethodPost, fmt.Sprintf("%s/api/%d/%d/timeseries?with-stats=true", ccms.url, from, to), bytes.NewReader(reqBodyBytes)) if err != nil { return nil, err } req.Header.Add("Authorization", authHeader) res, err := ccms.client.Do(req) if err != nil { return nil, err } resdata := make([]map[string]ApiMetricData, 0, len(reqBody.Selectors)) if err := json.NewDecoder(res.Body).Decode(&resdata); err != nil { return nil, err } var jobData schema.JobData = make(schema.JobData) for _, metric := range metrics { mc := config.GetMetricConfig(job.ClusterID, metric) metricData := &schema.JobMetric{ Scope: "node", // TODO: FIXME: Whatever... Unit: mc.Unit, Timestep: mc.Sampletime, Series: make([]*schema.MetricSeries, 0, len(job.Nodes)), } for i, node := range job.Nodes { data := resdata[i][metric] if data.Error != nil { return nil, errors.New(*data.Error) } if data.Avg == nil || data.Min == nil || data.Max == nil { return nil, errors.New("no data") } metricData.Series = append(metricData.Series, &schema.MetricSeries{ NodeID: node, Data: data.Data, Statistics: &schema.MetricStatistics{ Avg: *data.Avg, Min: *data.Min, Max: *data.Max, }, }) } jobData[metric] = metricData } return jobData, nil }