cc-backend/internal/repository/jobFind.go

193 lines
5.3 KiB
Go

// Copyright (C) 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 repository
import (
"context"
"database/sql"
"fmt"
"time"
"github.com/ClusterCockpit/cc-backend/internal/graph/model"
"github.com/ClusterCockpit/cc-backend/pkg/log"
"github.com/ClusterCockpit/cc-backend/pkg/schema"
sq "github.com/Masterminds/squirrel"
)
// Find executes a SQL query to find a specific batch job.
// The job is queried using the batch job id, the cluster name,
// and the start time of the job in UNIX epoch time seconds.
// It returns a pointer to a schema.Job data structure and an error variable.
// To check if no job was found test err == sql.ErrNoRows
func (r *JobRepository) Find(
jobId *int64,
cluster *string,
startTime *int64,
) (*schema.Job, error) {
start := time.Now()
q := sq.Select(jobColumns...).From("job").
Where("job.job_id = ?", *jobId)
if cluster != nil {
q = q.Where("job.cluster = ?", *cluster)
}
if startTime != nil {
q = q.Where("job.start_time = ?", *startTime)
}
log.Debugf("Timer Find %s", time.Since(start))
return scanJob(q.RunWith(r.stmtCache).QueryRow())
}
// Find executes a SQL query to find a specific batch job.
// The job is queried using the batch job id, the cluster name,
// and the start time of the job in UNIX epoch time seconds.
// It returns a pointer to a schema.Job data structure and an error variable.
// To check if no job was found test err == sql.ErrNoRows
func (r *JobRepository) FindAll(
jobId *int64,
cluster *string,
startTime *int64,
) ([]*schema.Job, error) {
start := time.Now()
q := sq.Select(jobColumns...).From("job").
Where("job.job_id = ?", *jobId)
if cluster != nil {
q = q.Where("job.cluster = ?", *cluster)
}
if startTime != nil {
q = q.Where("job.start_time = ?", *startTime)
}
rows, err := q.RunWith(r.stmtCache).Query()
if err != nil {
log.Error("Error while running query")
return nil, err
}
jobs := make([]*schema.Job, 0, 10)
for rows.Next() {
job, err := scanJob(rows)
if err != nil {
log.Warn("Error while scanning rows")
return nil, err
}
jobs = append(jobs, job)
}
log.Debugf("Timer FindAll %s", time.Since(start))
return jobs, nil
}
// FindById executes a SQL query to find a specific batch job.
// The job is queried using the database id.
// It returns a pointer to a schema.Job data structure and an error variable.
// To check if no job was found test err == sql.ErrNoRows
func (r *JobRepository) FindById(jobId int64) (*schema.Job, error) {
q := sq.Select(jobColumns...).
From("job").Where("job.id = ?", jobId)
return scanJob(q.RunWith(r.stmtCache).QueryRow())
}
func (r *JobRepository) FindConcurrentJobs(
ctx context.Context,
job *schema.Job,
) (*model.JobLinkResultList, error) {
if job == nil {
return nil, nil
}
query, qerr := SecurityCheck(ctx, sq.Select("job.id", "job.job_id", "job.start_time").From("job"))
if qerr != nil {
return nil, qerr
}
query = query.Where("cluster = ?", job.Cluster)
var startTime int64
var stopTime int64
startTime = job.StartTimeUnix
hostname := job.Resources[0].Hostname
if job.State == schema.JobStateRunning {
stopTime = time.Now().Unix()
} else {
stopTime = startTime + int64(job.Duration)
}
// Add 200s overlap for jobs start time at the end
startTimeTail := startTime + 10
stopTimeTail := stopTime - 200
startTimeFront := startTime + 200
queryRunning := query.Where("job.job_state = ?").Where("(job.start_time BETWEEN ? AND ? OR job.start_time < ?)",
"running", startTimeTail, stopTimeTail, startTime)
queryRunning = queryRunning.Where("job.resources LIKE ?", fmt.Sprint("%", hostname, "%"))
query = query.Where("job.job_state != ?").Where("((job.start_time BETWEEN ? AND ?) OR (job.start_time + job.duration) BETWEEN ? AND ? OR (job.start_time < ?) AND (job.start_time + job.duration) > ?)",
"running", startTimeTail, stopTimeTail, startTimeFront, stopTimeTail, startTime, stopTime)
query = query.Where("job.resources LIKE ?", fmt.Sprint("%", hostname, "%"))
rows, err := query.RunWith(r.stmtCache).Query()
if err != nil {
log.Errorf("Error while running query: %v", err)
return nil, err
}
items := make([]*model.JobLink, 0, 10)
queryString := fmt.Sprintf("cluster=%s", job.Cluster)
for rows.Next() {
var id, jobId, startTime sql.NullInt64
if err = rows.Scan(&id, &jobId, &startTime); err != nil {
log.Warn("Error while scanning rows")
return nil, err
}
if id.Valid {
queryString += fmt.Sprintf("&jobId=%d", int(jobId.Int64))
items = append(items,
&model.JobLink{
ID: fmt.Sprint(id.Int64),
JobID: int(jobId.Int64),
})
}
}
rows, err = queryRunning.RunWith(r.stmtCache).Query()
if err != nil {
log.Errorf("Error while running query: %v", err)
return nil, err
}
for rows.Next() {
var id, jobId, startTime sql.NullInt64
if err := rows.Scan(&id, &jobId, &startTime); err != nil {
log.Warn("Error while scanning rows")
return nil, err
}
if id.Valid {
queryString += fmt.Sprintf("&jobId=%d", int(jobId.Int64))
items = append(items,
&model.JobLink{
ID: fmt.Sprint(id.Int64),
JobID: int(jobId.Int64),
})
}
}
cnt := len(items)
return &model.JobLinkResultList{
ListQuery: &queryString,
Items: items,
Count: &cnt,
}, nil
}