cc-backend/internal/importer/initDB.go

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// Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package importer
import (
"encoding/json"
"fmt"
"math"
"strings"
"time"
"github.com/ClusterCockpit/cc-backend/internal/repository"
"github.com/ClusterCockpit/cc-backend/pkg/archive"
"github.com/ClusterCockpit/cc-backend/pkg/log"
"github.com/ClusterCockpit/cc-backend/pkg/schema"
"github.com/ClusterCockpit/cc-backend/pkg/units"
)
// Delete the tables "job", "tag" and "jobtag" from the database and
// repopulate them using the jobs found in `archive`.
func InitDB() error {
r := repository.GetJobRepository()
starttime := time.Now()
log.Print("Building job table...")
t, err := r.TransactionInit()
if err != nil {
log.Warn("Error while initializing SQL transactions")
return err
}
tags := make(map[string]int64)
// Not using log.Print because we want the line to end with `\r` and
// this function is only ever called when a special command line flag
// is passed anyways.
fmt.Printf("%d jobs inserted...\r", 0)
ar := archive.GetHandle()
i := 0
errorOccured := 0
for jobContainer := range ar.Iter(false) {
jobMeta := jobContainer.Meta
// Bundle 100 inserts into one transaction for better performance
if i%100 == 0 {
r.TransactionCommit(t)
fmt.Printf("%d jobs inserted...\r", i)
}
jobMeta.MonitoringStatus = schema.MonitoringStatusArchivingSuccessful
job := schema.Job{
BaseJob: jobMeta.BaseJob,
StartTime: time.Unix(jobMeta.StartTime, 0),
StartTimeUnix: jobMeta.StartTime,
}
// TODO: Other metrics...
job.FlopsAnyAvg = loadJobStat(jobMeta, "flops_any")
job.MemBwAvg = loadJobStat(jobMeta, "mem_bw")
job.NetBwAvg = loadJobStat(jobMeta, "net_bw")
job.FileBwAvg = loadJobStat(jobMeta, "file_bw")
job.RawResources, err = json.Marshal(job.Resources)
if err != nil {
log.Errorf("repository initDB(): %v", err)
errorOccured++
continue
}
job.RawMetaData, err = json.Marshal(job.MetaData)
if err != nil {
log.Errorf("repository initDB(): %v", err)
errorOccured++
continue
}
if err := SanityChecks(&job.BaseJob); err != nil {
log.Errorf("repository initDB(): %v", err)
errorOccured++
continue
}
id, err := r.TransactionAdd(t, job)
if err != nil {
log.Errorf("repository initDB(): %v", err)
errorOccured++
continue
}
for _, tag := range job.Tags {
tagstr := tag.Name + ":" + tag.Type
tagId, ok := tags[tagstr]
if !ok {
tagId, err = r.TransactionAddTag(t, tag)
if err != nil {
log.Errorf("Error adding tag: %v", err)
errorOccured++
continue
}
tags[tagstr] = tagId
}
r.TransactionSetTag(t, id, tagId)
}
if err == nil {
i += 1
}
}
if errorOccured > 0 {
log.Warnf("Error in import of %d jobs!", errorOccured)
}
r.TransactionEnd(t)
log.Printf("A total of %d jobs have been registered in %.3f seconds.\n", i, time.Since(starttime).Seconds())
return nil
}
// This function also sets the subcluster if necessary!
func SanityChecks(job *schema.BaseJob) error {
if c := archive.GetCluster(job.Cluster); c == nil {
return fmt.Errorf("no such cluster: %v", job.Cluster)
}
if err := archive.AssignSubCluster(job); err != nil {
log.Warn("Error while assigning subcluster to job")
return err
}
if !job.State.Valid() {
return fmt.Errorf("not a valid job state: %v", job.State)
}
if len(job.Resources) == 0 || len(job.User) == 0 {
return fmt.Errorf("'resources' and 'user' should not be empty")
}
if *job.NumAcc < 0 || *job.NumHWThreads < 0 || job.NumNodes < 1 {
return fmt.Errorf("'numNodes', 'numAcc' or 'numHWThreads' invalid")
}
if len(job.Resources) != int(job.NumNodes) {
return fmt.Errorf("len(resources) does not equal numNodes (%d vs %d)", len(job.Resources), job.NumNodes)
}
return nil
}
func loadJobStat(job *schema.JobMeta, metric string) float64 {
if stats, ok := job.Statistics[metric]; ok {
return stats.Avg
}
return 0.0
}
func getNormalizationFactor(v float64) (float64, int) {
count := 0
scale := -3
if v > 1000.0 {
for v > 1000.0 {
v *= 1e-3
count++
}
} else {
for v < 1.0 {
v *= 1e3
count++
}
scale = 3
}
return math.Pow10(count * scale), count * scale
}
func normalize(avg float64, p string) (float64, string) {
f, e := getNormalizationFactor(avg)
if e != 0 {
np := units.NewPrefixFromFactor(units.NewPrefix(p), e)
return f, np.Prefix()
}
return f, p
}
func checkJobData(d *schema.JobData) error {
for _, scopes := range *d {
// var newUnit schema.Unit
// TODO Add node scope if missing
for _, metric := range scopes {
if strings.Contains(metric.Unit.Base, "B/s") ||
strings.Contains(metric.Unit.Base, "F/s") ||
strings.Contains(metric.Unit.Base, "B") {
// get overall avg
sum := 0.0
for _, s := range metric.Series {
sum += s.Statistics.Avg
}
avg := sum / float64(len(metric.Series))
f, p := normalize(avg, metric.Unit.Prefix)
if p != metric.Unit.Prefix {
fmt.Printf("Convert %e", f)
// for _, s := range metric.Series {
// fp := schema.ConvertFloatToFloat64(s.Data)
//
// for i := 0; i < len(fp); i++ {
// fp[i] *= f
// fp[i] = math.Ceil(fp[i])
// }
//
// s.Data = schema.GetFloat64ToFloat(fp)
// }
metric.Unit.Prefix = p
}
}
}
}
return nil
}