mirror of
https://github.com/ClusterCockpit/cc-backend
synced 2024-11-14 02:37:25 +01:00
369 lines
10 KiB
Go
369 lines
10 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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"bytes"
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"database/sql"
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"encoding/json"
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"fmt"
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"os"
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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/archive"
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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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)
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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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const NamedJobInsert string = `INSERT INTO job (
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job_id, user, project, cluster, subcluster, ` + "`partition`" + `, array_job_id, num_nodes, num_hwthreads, num_acc,
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exclusive, monitoring_status, smt, job_state, start_time, duration, walltime, resources, meta_data,
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mem_used_max, flops_any_avg, mem_bw_avg, load_avg, net_bw_avg, net_data_vol_total, file_bw_avg, file_data_vol_total
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) VALUES (
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:job_id, :user, :project, :cluster, :subcluster, :partition, :array_job_id, :num_nodes, :num_hwthreads, :num_acc,
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:exclusive, :monitoring_status, :smt, :job_state, :start_time, :duration, :walltime, :resources, :meta_data,
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:mem_used_max, :flops_any_avg, :mem_bw_avg, :load_avg, :net_bw_avg, :net_data_vol_total, :file_bw_avg, :file_data_vol_total
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);`
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// Import all jobs specified as `<path-to-meta.json>:<path-to-data.json>,...`
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func HandleImportFlag(flag string) error {
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for _, pair := range strings.Split(flag, ",") {
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files := strings.Split(pair, ":")
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if len(files) != 2 {
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return fmt.Errorf("invalid import flag format")
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}
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raw, err := os.ReadFile(files[0])
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if err != nil {
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return 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(raw)); err != nil {
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return err
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}
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}
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dec := json.NewDecoder(bytes.NewReader(raw))
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dec.DisallowUnknownFields()
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jobMeta := schema.JobMeta{BaseJob: schema.JobDefaults}
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if err := dec.Decode(&jobMeta); err != nil {
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return err
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}
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raw, err = os.ReadFile(files[1])
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if err != nil {
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return err
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}
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if config.Keys.Validate {
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if err := schema.Validate(schema.Data, bytes.NewReader(raw)); err != nil {
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return err
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}
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}
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dec = json.NewDecoder(bytes.NewReader(raw))
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dec.DisallowUnknownFields()
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jobData := schema.JobData{}
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if err := dec.Decode(&jobData); err != nil {
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return err
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}
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SanityChecks(&jobMeta.BaseJob)
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jobMeta.MonitoringStatus = schema.MonitoringStatusArchivingSuccessful
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if job, err := GetJobRepository().Find(&jobMeta.JobID, &jobMeta.Cluster, &jobMeta.StartTime); err != sql.ErrNoRows {
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if err != nil {
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return err
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}
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return fmt.Errorf("a job with that jobId, cluster and startTime does already exist (dbid: %d)", job.ID)
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}
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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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if err := archive.GetHandle().ImportJob(&jobMeta, &jobData); err != nil {
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return err
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}
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res, err := GetConnection().DB.NamedExec(NamedJobInsert, 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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if _, err := GetJobRepository().AddTagOrCreate(id, tag.Type, tag.Name); err != nil {
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return err
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}
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}
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log.Infof("Successfully imported a new job (jobId: %d, cluster: %s, dbid: %d)", job.JobID, job.Cluster, id)
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}
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return nil
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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() error {
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db := GetConnection()
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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.DB.Exec(JobsDBSchema)
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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.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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tags := make(map[string]int64)
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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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ar := archive.GetHandle()
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i := 0
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errorOccured := 0
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for jobMeta := range ar.Iter() {
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// // Bundle 100 inserts into one transaction for better performance:
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if i%10 == 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.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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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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log.Errorf("repository initDB()- %v", err)
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errorOccured++
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continue
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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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log.Errorf("repository initDB()- %v", err)
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errorOccured++
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continue
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}
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if err := SanityChecks(&job.BaseJob); err != nil {
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log.Errorf("repository initDB()- %v", err)
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errorOccured++
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continue
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}
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res, err := stmt.Exec(job)
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if err != nil {
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log.Errorf("repository initDB()- %v", err)
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errorOccured++
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continue
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}
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id, err := res.LastInsertId()
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if err != nil {
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log.Errorf("repository initDB()- %v", err)
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errorOccured++
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continue
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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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if err == nil {
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i += 1
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}
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}
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if errorOccured > 0 {
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log.Errorf("Error in import of %d jobs!", errorOccured)
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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.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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// This function also sets the subcluster if necessary!
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func SanityChecks(job *schema.BaseJob) error {
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if c := archive.GetCluster(job.Cluster); c == nil {
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return fmt.Errorf("no such cluster: %#v", job.Cluster)
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}
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if err := archive.AssignSubCluster(job); err != nil {
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return err
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}
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if !job.State.Valid() {
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return fmt.Errorf("not a valid job state: %#v", job.State)
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}
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if len(job.Resources) == 0 || len(job.User) == 0 {
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return fmt.Errorf("'resources' and 'user' should not be empty")
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}
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if job.NumAcc < 0 || job.NumHWThreads < 0 || job.NumNodes < 1 {
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return fmt.Errorf("'numNodes', 'numAcc' or 'numHWThreads' invalid")
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}
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if len(job.Resources) != int(job.NumNodes) {
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return fmt.Errorf("len(resources) does not equal numNodes (%d vs %d)", len(job.Resources), job.NumNodes)
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}
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return nil
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}
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func loadJobStat(job *schema.JobMeta, metric string) float64 {
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if stats, ok := job.Statistics[metric]; ok {
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return stats.Avg
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}
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return 0.0
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}
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