cc-backend/internal/repository/query.go

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// 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.
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package repository
import (
"context"
"errors"
"fmt"
"regexp"
"strings"
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"time"
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"github.com/ClusterCockpit/cc-backend/internal/graph/model"
"github.com/ClusterCockpit/cc-backend/pkg/log"
"github.com/ClusterCockpit/cc-backend/pkg/schema"
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sq "github.com/Masterminds/squirrel"
)
func (r *JobRepository) QueryJobs(
ctx context.Context,
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filters []*model.JobFilter,
page *model.PageRequest,
order *model.OrderByInput) ([]*schema.Job, error) {
query, qerr := SecurityCheck(ctx, sq.Select(jobColumns...).From("job"))
if qerr != nil {
return nil, qerr
}
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if order != nil {
field := toSnakeCase(order.Field)
switch order.Order {
case model.SortDirectionEnumAsc:
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query = query.OrderBy(fmt.Sprintf("job.%s ASC", field))
case model.SortDirectionEnumDesc:
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query = query.OrderBy(fmt.Sprintf("job.%s DESC", field))
default:
return nil, errors.New("REPOSITORY/QUERY > invalid sorting order")
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}
}
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if page != nil && page.ItemsPerPage != -1 {
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limit := uint64(page.ItemsPerPage)
query = query.Offset((uint64(page.Page) - 1) * limit).Limit(limit)
}
for _, f := range filters {
query = BuildWhereClause(f, query)
}
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rows, err := query.RunWith(r.stmtCache).Query()
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if err != nil {
log.Errorf("Error while running query: %v", err)
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return nil, err
}
jobs := make([]*schema.Job, 0, 50)
for rows.Next() {
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job, err := scanJob(rows)
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if err != nil {
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rows.Close()
log.Warn("Error while scanning rows (Jobs)")
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return nil, err
}
jobs = append(jobs, job)
}
return jobs, nil
}
func (r *JobRepository) CountJobs(
ctx context.Context,
filters []*model.JobFilter) (int, error) {
query, qerr := SecurityCheck(ctx, sq.Select("count(*)").From("job"))
if qerr != nil {
return 0, qerr
}
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for _, f := range filters {
query = BuildWhereClause(f, query)
}
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var count int
if err := query.RunWith(r.DB).Scan(&count); err != nil {
return 0, err
}
return count, nil
}
func SecurityCheck(ctx context.Context, query sq.SelectBuilder) (sq.SelectBuilder, error) {
user := GetUserFromContext(ctx)
if user == nil {
var qnil sq.SelectBuilder
return qnil, fmt.Errorf("user context is nil")
}
switch {
case len(user.Roles) == 1 && user.HasRole(schema.RoleApi): // API-User : All jobs
return query, nil
case user.HasAnyRole([]schema.Role{schema.RoleAdmin, schema.RoleSupport}): // Admin & Support : All jobs
return query, nil
case user.HasRole(schema.RoleManager): // Manager : Add filter for managed projects' jobs only + personal jobs
if len(user.Projects) != 0 {
return query.Where(sq.Or{sq.Eq{"job.project": user.Projects}, sq.Eq{"job.user": user.Username}}), nil
} else {
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log.Debugf("Manager-User '%s' has no defined projects to lookup! Query only personal jobs ...", user.Username)
return query.Where("job.user = ?", user.Username), nil
}
case user.HasRole(schema.RoleUser): // User : Only personal jobs
return query.Where("job.user = ?", user.Username), nil
default: // No known Role, return error
var qnil sq.SelectBuilder
return qnil, fmt.Errorf("user has no or unknown roles")
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}
}
// Build a sq.SelectBuilder out of a schema.JobFilter.
func BuildWhereClause(filter *model.JobFilter, query sq.SelectBuilder) sq.SelectBuilder {
if filter.Tags != nil {
query = query.Join("jobtag ON jobtag.job_id = job.id").Where(sq.Eq{"jobtag.tag_id": filter.Tags})
}
if filter.JobID != nil {
query = buildStringCondition("job.job_id", filter.JobID, query)
}
if filter.ArrayJobID != nil {
query = query.Where("job.array_job_id = ?", *filter.ArrayJobID)
}
if filter.User != nil {
query = buildStringCondition("job.user", filter.User, query)
}
if filter.Project != nil {
query = buildStringCondition("job.project", filter.Project, query)
}
if filter.JobName != nil {
query = buildMetaJsonCondition("jobName", filter.JobName, query)
}
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if filter.Cluster != nil {
query = buildStringCondition("job.cluster", filter.Cluster, query)
}
if filter.Partition != nil {
query = buildStringCondition("job.partition", filter.Partition, query)
}
if filter.StartTime != nil {
query = buildTimeCondition("job.start_time", filter.StartTime, query)
}
if filter.Duration != nil {
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now := time.Now().Unix() // There does not seam to be a portable way to get the current unix timestamp accross different DBs.
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query = query.Where("(CASE WHEN job.job_state = 'running' THEN (? - job.start_time) ELSE job.duration END) BETWEEN ? AND ?", now, filter.Duration.From, filter.Duration.To)
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}
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if filter.MinRunningFor != nil {
now := time.Now().Unix() // There does not seam to be a portable way to get the current unix timestamp accross different DBs.
query = query.Where("(job.job_state != 'running' OR (? - job.start_time) > ?)", now, *filter.MinRunningFor)
}
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if filter.State != nil {
states := make([]string, len(filter.State))
for i, val := range filter.State {
states[i] = string(val)
}
query = query.Where(sq.Eq{"job.job_state": states})
}
if filter.NumNodes != nil {
query = buildIntCondition("job.num_nodes", filter.NumNodes, query)
}
if filter.NumAccelerators != nil {
query = buildIntCondition("job.num_acc", filter.NumAccelerators, query)
}
if filter.NumHWThreads != nil {
query = buildIntCondition("job.num_hwthreads", filter.NumHWThreads, query)
}
if filter.Node != nil {
query = buildStringCondition("job.resources", filter.Node, query)
}
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if filter.FlopsAnyAvg != nil {
query = buildFloatCondition("job.flops_any_avg", filter.FlopsAnyAvg, query)
}
if filter.MemBwAvg != nil {
query = buildFloatCondition("job.mem_bw_avg", filter.MemBwAvg, query)
}
if filter.LoadAvg != nil {
query = buildFloatCondition("job.load_avg", filter.LoadAvg, query)
}
if filter.MemUsedMax != nil {
query = buildFloatCondition("job.mem_used_max", filter.MemUsedMax, query)
}
return query
}
func buildIntCondition(field string, cond *schema.IntRange, query sq.SelectBuilder) sq.SelectBuilder {
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return query.Where(field+" BETWEEN ? AND ?", cond.From, cond.To)
}
func buildTimeCondition(field string, cond *schema.TimeRange, query sq.SelectBuilder) sq.SelectBuilder {
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if cond.From != nil && cond.To != nil {
return query.Where(field+" BETWEEN ? AND ?", cond.From.Unix(), cond.To.Unix())
} else if cond.From != nil {
return query.Where("? <= "+field, cond.From.Unix())
} else if cond.To != nil {
return query.Where(field+" <= ?", cond.To.Unix())
} else {
return query
}
}
func buildFloatCondition(field string, cond *model.FloatRange, query sq.SelectBuilder) sq.SelectBuilder {
return query.Where(field+" BETWEEN ? AND ?", cond.From, cond.To)
}
func buildStringCondition(field string, cond *model.StringInput, query sq.SelectBuilder) sq.SelectBuilder {
if cond.Eq != nil {
return query.Where(field+" = ?", *cond.Eq)
}
if cond.Neq != nil {
return query.Where(field+" != ?", *cond.Neq)
}
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if cond.StartsWith != nil {
return query.Where(field+" LIKE ?", fmt.Sprint(*cond.StartsWith, "%"))
}
if cond.EndsWith != nil {
return query.Where(field+" LIKE ?", fmt.Sprint("%", *cond.EndsWith))
}
if cond.Contains != nil {
return query.Where(field+" LIKE ?", fmt.Sprint("%", *cond.Contains, "%"))
}
if cond.In != nil {
queryElements := make([]string, len(cond.In))
for i, val := range cond.In {
queryElements[i] = val
}
return query.Where(sq.Or{sq.Eq{field: queryElements}})
}
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return query
}
func buildMetaJsonCondition(jsonField string, cond *model.StringInput, query sq.SelectBuilder) sq.SelectBuilder {
// Verify and Search Only in Valid Jsons
query = query.Where("JSON_VALID(meta_data)")
// add "AND" Sql query Block for field match
if cond.Eq != nil {
return query.Where("JSON_EXTRACT(meta_data, \"$."+jsonField+"\") = ?", *cond.Eq)
}
if cond.Neq != nil {
return query.Where("JSON_EXTRACT(meta_data, \"$."+jsonField+"\") != ?", *cond.Neq)
}
if cond.StartsWith != nil {
return query.Where("JSON_EXTRACT(meta_data, \"$."+jsonField+"\") LIKE ?", fmt.Sprint(*cond.StartsWith, "%"))
}
if cond.EndsWith != nil {
return query.Where("JSON_EXTRACT(meta_data, \"$."+jsonField+"\") LIKE ?", fmt.Sprint("%", *cond.EndsWith))
}
if cond.Contains != nil {
return query.Where("JSON_EXTRACT(meta_data, \"$."+jsonField+"\") LIKE ?", fmt.Sprint("%", *cond.Contains, "%"))
}
return query
}
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var matchFirstCap = regexp.MustCompile("(.)([A-Z][a-z]+)")
var matchAllCap = regexp.MustCompile("([a-z0-9])([A-Z])")
func toSnakeCase(str string) string {
for _, c := range str {
if c == '\'' || c == '\\' {
log.Panic("toSnakeCase() attack vector!")
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}
}
str = strings.ReplaceAll(str, "'", "")
str = strings.ReplaceAll(str, "\\", "")
snake := matchFirstCap.ReplaceAllString(str, "${1}_${2}")
snake = matchAllCap.ReplaceAllString(snake, "${1}_${2}")
return strings.ToLower(snake)
}