mirror of
https://github.com/ClusterCockpit/cc-backend
synced 2024-12-27 05:49:04 +01:00
276 lines
7.6 KiB
Go
276 lines
7.6 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 repository
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import (
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"bufio"
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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"time"
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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/jmoiron/sqlx"
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)
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// `AUTO_INCREMENT` is in a comment because of this hack:
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// https://stackoverflow.com/a/41028314 (sqlite creates unique ids automatically)
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const JobsDBSchema string = `
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DROP TABLE IF EXISTS jobtag;
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DROP TABLE IF EXISTS job;
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DROP TABLE IF EXISTS tag;
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CREATE TABLE job (
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id INTEGER PRIMARY KEY /*!40101 AUTO_INCREMENT */,
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job_id BIGINT NOT NULL,
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cluster VARCHAR(255) NOT NULL,
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subcluster VARCHAR(255) NOT NULL,
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start_time BIGINT NOT NULL, -- Unix timestamp
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user VARCHAR(255) NOT NULL,
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project VARCHAR(255) NOT NULL,
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` + "`partition`" + ` VARCHAR(255) NOT NULL, -- partition is a keyword in mysql -.-
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array_job_id BIGINT NOT NULL,
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duration INT NOT NULL DEFAULT 0,
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walltime INT NOT NULL DEFAULT 0,
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job_state VARCHAR(255) NOT NULL CHECK(job_state IN ('running', 'completed', 'failed', 'cancelled', 'stopped', 'timeout', 'preempted', 'out_of_memory')),
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meta_data TEXT, -- JSON
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resources TEXT NOT NULL, -- JSON
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num_nodes INT NOT NULL,
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num_hwthreads INT NOT NULL,
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num_acc INT NOT NULL,
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smt TINYINT NOT NULL DEFAULT 1 CHECK(smt IN (0, 1 )),
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exclusive TINYINT NOT NULL DEFAULT 1 CHECK(exclusive IN (0, 1, 2)),
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monitoring_status TINYINT NOT NULL DEFAULT 1 CHECK(monitoring_status IN (0, 1, 2, 3)),
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mem_used_max REAL NOT NULL DEFAULT 0.0,
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flops_any_avg REAL NOT NULL DEFAULT 0.0,
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mem_bw_avg REAL NOT NULL DEFAULT 0.0,
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load_avg REAL NOT NULL DEFAULT 0.0,
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net_bw_avg REAL NOT NULL DEFAULT 0.0,
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net_data_vol_total REAL NOT NULL DEFAULT 0.0,
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file_bw_avg REAL NOT NULL DEFAULT 0.0,
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file_data_vol_total REAL NOT NULL DEFAULT 0.0);
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CREATE TABLE tag (
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id INTEGER PRIMARY KEY,
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tag_type VARCHAR(255) NOT NULL,
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tag_name VARCHAR(255) NOT NULL,
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CONSTRAINT be_unique UNIQUE (tag_type, tag_name));
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CREATE TABLE jobtag (
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job_id INTEGER,
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tag_id INTEGER,
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PRIMARY KEY (job_id, tag_id),
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FOREIGN KEY (job_id) REFERENCES job (id) ON DELETE CASCADE,
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FOREIGN KEY (tag_id) REFERENCES tag (id) ON DELETE CASCADE);
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`
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// Indexes are created after the job-archive is traversed for faster inserts.
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const JobsDbIndexes string = `
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CREATE INDEX job_by_user ON job (user);
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CREATE INDEX job_by_starttime ON job (start_time);
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CREATE INDEX job_by_job_id ON job (job_id);
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CREATE INDEX job_by_state ON job (job_state);
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`
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// Delete the tables "job", "tag" and "jobtag" from the database and
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// repopulate them using the jobs found in `archive`.
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func InitDB(db *sqlx.DB, archive string) error {
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starttime := time.Now()
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log.Print("Building job table...")
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// Basic database structure:
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_, err := db.Exec(JobsDBSchema)
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if err != nil {
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return err
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}
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clustersDir, err := os.ReadDir(archive)
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if err != nil {
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return err
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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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// Inserts are bundled into transactions because in sqlite,
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// that speeds up inserts A LOT.
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tx, err := db.Beginx()
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if err != nil {
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return err
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}
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stmt, err := tx.PrepareNamed(NamedJobInsert)
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if err != nil {
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return err
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}
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// Not using log.Print because we want the line to end with `\r` and
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// this function is only ever called when a special command line flag
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// is passed anyways.
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fmt.Printf("%d jobs inserted...\r", 0)
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i := 0
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tags := make(map[string]int64)
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handleDirectory := func(filename string) error {
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// Bundle 100 inserts into one transaction for better performance:
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if i%100 == 0 {
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if tx != nil {
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if err := tx.Commit(); err != nil {
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return err
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}
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}
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tx, err = db.Beginx()
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if err != nil {
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return err
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}
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stmt = tx.NamedStmt(stmt)
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fmt.Printf("%d jobs inserted...\r", i)
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}
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err := loadJob(tx, stmt, tags, filename)
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if err == nil {
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i += 1
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}
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return err
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}
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for _, clusterDir := range clustersDir {
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lvl1Dirs, err := os.ReadDir(filepath.Join(archive, clusterDir.Name()))
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if err != nil {
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return err
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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(archive, clusterDir.Name(), lvl1Dir.Name()))
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if err != nil {
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return err
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}
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for _, lvl2Dir := range lvl2Dirs {
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dirpath := filepath.Join(archive, 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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return err
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}
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// For compability with the old job-archive directory structure where
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// there was no start time directory.
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for _, startTimeDir := range startTimeDirs {
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if startTimeDir.Type().IsRegular() && startTimeDir.Name() == "meta.json" {
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if err := handleDirectory(dirpath); err != nil {
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log.Errorf("in %s: %s", dirpath, err.Error())
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}
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} else if startTimeDir.IsDir() {
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if err := handleDirectory(filepath.Join(dirpath, startTimeDir.Name())); err != nil {
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log.Errorf("in %s: %s", filepath.Join(dirpath, startTimeDir.Name()), err.Error())
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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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if err := tx.Commit(); err != nil {
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return err
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}
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// Create indexes after inserts so that they do not
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// need to be continually updated.
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if _, err := db.Exec(JobsDbIndexes); err != nil {
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return err
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}
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log.Printf("A total of %d jobs have been registered in %.3f seconds.\n", i, time.Since(starttime).Seconds())
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return nil
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}
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// TODO: Remove double logic, use repository/import.go!
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// Read the `meta.json` file at `path` and insert it to the database using the prepared
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// insert statement `stmt`. `tags` maps all existing tags to their database ID.
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func loadJob(tx *sqlx.Tx, stmt *sqlx.NamedStmt, tags map[string]int64, path string) error {
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f, err := os.Open(filepath.Join(path, "meta.json"))
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if err != nil {
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return err
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}
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defer f.Close()
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jobMeta := schema.JobMeta{BaseJob: schema.JobDefaults}
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if err := json.NewDecoder(bufio.NewReader(f)).Decode(&jobMeta); err != nil {
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return err
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}
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jobMeta.MonitoringStatus = schema.MonitoringStatusArchivingSuccessful
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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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// TODO: Other metrics...
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job.FlopsAnyAvg = loadJobStat(&jobMeta, "flops_any")
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job.MemBwAvg = loadJobStat(&jobMeta, "mem_bw")
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job.NetBwAvg = loadJobStat(&jobMeta, "net_bw")
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job.FileBwAvg = loadJobStat(&jobMeta, "file_bw")
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job.RawResources, err = json.Marshal(job.Resources)
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if err != nil {
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return err
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}
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job.RawMetaData, err = json.Marshal(job.MetaData)
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if err != nil {
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return err
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}
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if err := SanityChecks(&job.BaseJob); err != nil {
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return err
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}
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res, err := stmt.Exec(job)
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if err != nil {
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return err
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}
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id, err := res.LastInsertId()
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if err != nil {
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return err
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}
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for _, tag := range job.Tags {
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tagstr := tag.Name + ":" + tag.Type
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tagId, ok := tags[tagstr]
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if !ok {
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res, err := tx.Exec(`INSERT INTO tag (tag_name, tag_type) VALUES (?, ?)`, tag.Name, tag.Type)
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if err != nil {
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return err
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}
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tagId, err = res.LastInsertId()
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if err != nil {
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return err
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}
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tags[tagstr] = tagId
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}
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if _, err := tx.Exec(`INSERT INTO jobtag (job_id, tag_id) VALUES (?, ?)`, id, tagId); err != nil {
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return err
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}
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}
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return nil
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}
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