mirror of
https://github.com/ClusterCockpit/cc-backend
synced 2024-11-10 08:57:25 +01:00
118 lines
2.4 KiB
Go
118 lines
2.4 KiB
Go
// Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
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// All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package archive
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import (
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"encoding/json"
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"fmt"
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"github.com/ClusterCockpit/cc-backend/pkg/lrucache"
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"github.com/ClusterCockpit/cc-backend/pkg/schema"
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)
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type ArchiveBackend interface {
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Init(rawConfig json.RawMessage) error
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LoadJobMeta(job *schema.Job) (*schema.JobMeta, error)
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LoadJobData(job *schema.Job) (schema.JobData, error)
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LoadClusterCfg(name string) (*schema.Cluster, error)
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StoreJobMeta(jobMeta *schema.JobMeta) error
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ImportJob(jobMeta *schema.JobMeta, jobData *schema.JobData) error
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GetClusters() []string
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Iter() <-chan *schema.JobMeta
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}
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var cache *lrucache.Cache = lrucache.New(128 * 1024 * 1024)
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var ar ArchiveBackend
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func Init(rawConfig json.RawMessage) error {
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var kind struct {
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Kind string `json:"kind"`
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}
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if err := json.Unmarshal(rawConfig, &kind); err != nil {
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return err
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}
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switch kind.Kind {
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case "file":
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ar = &FsArchive{}
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// case "s3":
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// ar = &S3Archive{}
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default:
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return fmt.Errorf("unkown archive backend '%s''", kind.Kind)
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}
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if err := ar.Init(rawConfig); err != nil {
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return err
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}
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return initClusterConfig()
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}
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func GetHandle() ArchiveBackend {
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return ar
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}
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// Helper to metricdata.LoadAverages().
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func LoadAveragesFromArchive(
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job *schema.Job,
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metrics []string,
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data [][]schema.Float) error {
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metaFile, err := ar.LoadJobMeta(job)
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if err != nil {
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return err
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}
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for i, m := range metrics {
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if stat, ok := metaFile.Statistics[m]; ok {
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data[i] = append(data[i], schema.Float(stat.Avg))
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} else {
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data[i] = append(data[i], schema.NaN)
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}
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}
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return nil
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}
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func GetStatistics(job *schema.Job) (map[string]schema.JobStatistics, error) {
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metaFile, err := ar.LoadJobMeta(job)
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if err != nil {
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return nil, err
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}
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return metaFile.Statistics, nil
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}
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// If the job is archived, find its `meta.json` file and override the tags list
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// in that JSON file. If the job is not archived, nothing is done.
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func UpdateTags(job *schema.Job, tags []*schema.Tag) error {
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if job.State == schema.JobStateRunning {
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return nil
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}
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jobMeta, err := ar.LoadJobMeta(job)
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if err != nil {
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return err
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}
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jobMeta.Tags = make([]*schema.Tag, 0)
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for _, tag := range tags {
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jobMeta.Tags = append(jobMeta.Tags, &schema.Tag{
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Name: tag.Name,
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Type: tag.Type,
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})
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}
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return ar.StoreJobMeta(jobMeta)
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}
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