mirror of
https://github.com/ClusterCockpit/cc-backend
synced 2024-12-25 12:59:06 +01:00
347 lines
8.7 KiB
Go
347 lines
8.7 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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"bufio"
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"bytes"
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"compress/gzip"
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"encoding/json"
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"errors"
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"fmt"
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"os"
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"path"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"github.com/ClusterCockpit/cc-backend/internal/config"
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"github.com/ClusterCockpit/cc-backend/pkg/log"
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"github.com/ClusterCockpit/cc-backend/pkg/schema"
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"github.com/santhosh-tekuri/jsonschema/v5"
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)
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type FsArchiveConfig struct {
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Path string `json:"path"`
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}
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type FsArchive struct {
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path string
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clusters []string
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}
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func checkFileExists(filePath string) bool {
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_, err := os.Stat(filePath)
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return !errors.Is(err, os.ErrNotExist)
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}
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func getPath(
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job *schema.Job,
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rootPath string,
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file string) string {
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lvl1, lvl2 := fmt.Sprintf("%d", job.JobID/1000), fmt.Sprintf("%03d", job.JobID%1000)
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return filepath.Join(
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rootPath,
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job.Cluster,
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lvl1, lvl2,
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strconv.FormatInt(job.StartTime.Unix(), 10), file)
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}
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func loadJobMeta(filename string) (*schema.JobMeta, error) {
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b, err := os.ReadFile(filename)
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if err != nil {
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log.Errorf("loadJobMeta() > open file error: %v", err)
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return &schema.JobMeta{}, err
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}
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if config.Keys.Validate {
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if err := schema.Validate(schema.Meta, bytes.NewReader(b)); err != nil {
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return &schema.JobMeta{}, fmt.Errorf("validate job meta: %v", err)
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}
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}
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return DecodeJobMeta(bytes.NewReader(b))
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}
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func loadJobData(filename string, isCompressed bool) (schema.JobData, error) {
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f, err := os.Open(filename)
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if err != nil {
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log.Errorf("fsBackend LoadJobData()- %v", err)
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return nil, err
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}
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if isCompressed {
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r, err := gzip.NewReader(f)
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if err != nil {
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log.Errorf(" %v", err)
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return nil, err
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}
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defer r.Close()
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if config.Keys.Validate {
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if err := schema.Validate(schema.Data, r); err != nil {
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return schema.JobData{}, fmt.Errorf("validate job data: %v", err)
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}
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}
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return DecodeJobData(r, filename)
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} else {
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defer f.Close()
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if config.Keys.Validate {
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if err := schema.Validate(schema.Data, bufio.NewReader(f)); err != nil {
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return schema.JobData{}, fmt.Errorf("validate job data: %v", err)
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}
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}
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return DecodeJobData(bufio.NewReader(f), filename)
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}
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}
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func (fsa *FsArchive) Init(rawConfig json.RawMessage) (int, error) {
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var config FsArchiveConfig
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if err := json.Unmarshal(rawConfig, &config); err != nil {
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log.Warnf("Init() > Unmarshal error: %#v", err)
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return 0, err
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}
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if config.Path == "" {
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err := fmt.Errorf("Init() : empty config.Path")
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log.Errorf("Init() > config.Path error: %v", err)
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return 0, err
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}
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fsa.path = config.Path
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b, err := os.ReadFile(filepath.Join(fsa.path, "version.txt"))
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if err != nil {
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fmt.Println("Err")
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return 0, err
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}
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version, err := strconv.Atoi(strings.TrimSuffix(string(b), "\n"))
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if err != nil {
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log.Errorf("fsBackend Init()- %v", err)
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return 0, err
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}
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if version != Version {
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return version, fmt.Errorf("unsupported version %d, need %d", version, Version)
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}
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entries, err := os.ReadDir(fsa.path)
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if err != nil {
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log.Errorf("Init() > ReadDir() error: %v", err)
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return 0, err
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}
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for _, de := range entries {
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if !de.IsDir() {
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continue
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}
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fsa.clusters = append(fsa.clusters, de.Name())
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}
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return version, nil
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}
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func (fsa *FsArchive) LoadJobData(job *schema.Job) (schema.JobData, error) {
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var isCompressed bool = true
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filename := getPath(job, fsa.path, "data.json.gz")
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if !checkFileExists(filename) {
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filename = getPath(job, fsa.path, "data.json")
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isCompressed = false
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}
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return loadJobData(filename, isCompressed)
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}
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func (fsa *FsArchive) LoadJobMeta(job *schema.Job) (*schema.JobMeta, error) {
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filename := getPath(job, fsa.path, "meta.json")
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return loadJobMeta(filename)
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}
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func (fsa *FsArchive) LoadClusterCfg(name string) (*schema.Cluster, error) {
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b, err := os.ReadFile(filepath.Join(fsa.path, name, "cluster.json"))
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if err != nil {
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log.Errorf("LoadClusterCfg() > open file error: %v", err)
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// if config.Keys.Validate {
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if err := schema.Validate(schema.ClusterCfg, bytes.NewReader(b)); err != nil {
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log.Warnf("Validate cluster config: %v\n", err)
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return &schema.Cluster{}, fmt.Errorf("validate cluster config: %v", err)
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}
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}
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// }
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return DecodeCluster(bytes.NewReader(b))
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}
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func (fsa *FsArchive) Iter(loadMetricData bool) <-chan JobContainer {
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ch := make(chan JobContainer)
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go func() {
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clustersDir, err := os.ReadDir(fsa.path)
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if err != nil {
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log.Fatalf("Reading clusters failed @ cluster dirs: %s", err.Error())
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}
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for _, clusterDir := range clustersDir {
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if !clusterDir.IsDir() {
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continue
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}
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lvl1Dirs, err := os.ReadDir(filepath.Join(fsa.path, clusterDir.Name()))
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if err != nil {
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log.Fatalf("Reading jobs failed @ lvl1 dirs: %s", err.Error())
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}
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for _, lvl1Dir := range lvl1Dirs {
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if !lvl1Dir.IsDir() {
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// Could be the cluster.json file
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continue
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}
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lvl2Dirs, err := os.ReadDir(filepath.Join(fsa.path, clusterDir.Name(), lvl1Dir.Name()))
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if err != nil {
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log.Fatalf("Reading jobs failed @ lvl2 dirs: %s", err.Error())
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}
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for _, lvl2Dir := range lvl2Dirs {
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dirpath := filepath.Join(fsa.path, clusterDir.Name(), lvl1Dir.Name(), lvl2Dir.Name())
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startTimeDirs, err := os.ReadDir(dirpath)
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if err != nil {
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log.Fatalf("Reading jobs failed @ starttime dirs: %s", err.Error())
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}
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for _, startTimeDir := range startTimeDirs {
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if startTimeDir.IsDir() {
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job, err := loadJobMeta(filepath.Join(dirpath, startTimeDir.Name(), "meta.json"))
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if err != nil && !errors.Is(err, &jsonschema.ValidationError{}) {
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log.Errorf("in %s: %s", filepath.Join(dirpath, startTimeDir.Name()), err.Error())
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}
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if loadMetricData {
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var isCompressed bool = true
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filename := filepath.Join(dirpath, startTimeDir.Name(), "data.json.gz")
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if !checkFileExists(filename) {
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filename = filepath.Join(dirpath, startTimeDir.Name(), "data.json")
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isCompressed = false
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}
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data, err := loadJobData(filename, isCompressed)
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if err != nil && !errors.Is(err, &jsonschema.ValidationError{}) {
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log.Errorf("in %s: %s", filepath.Join(dirpath, startTimeDir.Name()), err.Error())
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}
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ch <- JobContainer{Meta: job, Data: &data}
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log.Errorf("in %s: %s", filepath.Join(dirpath, startTimeDir.Name()), err.Error())
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} else {
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ch <- JobContainer{Meta: job, Data: nil}
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}
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}
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}
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}
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}
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}
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close(ch)
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}()
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return ch
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}
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func (fsa *FsArchive) StoreJobMeta(jobMeta *schema.JobMeta) error {
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job := schema.Job{
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BaseJob: jobMeta.BaseJob,
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StartTime: time.Unix(jobMeta.StartTime, 0),
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StartTimeUnix: jobMeta.StartTime,
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}
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f, err := os.Create(getPath(&job, fsa.path, "meta.json"))
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if err != nil {
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log.Error("Error while creating filepath for meta.json")
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return err
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}
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if err := EncodeJobMeta(f, jobMeta); err != nil {
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log.Error("Error while encoding job metadata to meta.json file")
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return err
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}
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if err := f.Close(); err != nil {
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log.Warn("Error while closing meta.json file")
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return err
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}
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return nil
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}
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func (fsa *FsArchive) GetClusters() []string {
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return fsa.clusters
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}
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func (fsa *FsArchive) ImportJob(
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jobMeta *schema.JobMeta,
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jobData *schema.JobData) error {
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job := schema.Job{
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BaseJob: jobMeta.BaseJob,
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StartTime: time.Unix(jobMeta.StartTime, 0),
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StartTimeUnix: jobMeta.StartTime,
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}
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dir := getPath(&job, fsa.path, "")
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if err := os.MkdirAll(dir, 0777); err != nil {
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log.Error("Error while creating job archive path")
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return err
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}
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f, err := os.Create(path.Join(dir, "meta.json"))
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if err != nil {
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log.Error("Error while creating filepath for meta.json")
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return err
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}
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if err := EncodeJobMeta(f, jobMeta); err != nil {
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log.Error("Error while encoding job metadata to meta.json file")
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return err
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}
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if err := f.Close(); err != nil {
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log.Warn("Error while closing meta.json file")
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return err
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}
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// var isCompressed bool = true
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// // TODO Use shortJob Config for check
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// if jobMeta.Duration < 300 {
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// isCompressed = false
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// f, err = os.Create(path.Join(dir, "data.json"))
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// } else {
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// f, err = os.Create(path.Join(dir, "data.json.gz"))
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// }
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// if err != nil {
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// return err
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// }
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//
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// if isCompressed {
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// if err := EncodeJobData(gzip.NewWriter(f), jobData); err != nil {
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// return err
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// }
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// } else {
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// if err := EncodeJobData(f, jobData); err != nil {
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// return err
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// }
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// }
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f, err = os.Create(path.Join(dir, "data.json"))
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if err != nil {
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log.Error("Error while creating filepath for data.json")
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return err
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}
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if err := EncodeJobData(f, jobData); err != nil {
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log.Error("Error while encoding job metricdata to data.json file")
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return err
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}
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if err := f.Close(); err != nil {
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log.Warn("Error while closing data.json file")
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}
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return err
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}
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