Mercurial > gemma
view pkg/scheduler/boot.go @ 3277:232fc90e6ee2
Disentangle gauge measurements and predictions
Representing both in one table has led to the necessity to make the
distinction at many places such as statements, definitions of partial
indexes and application code. At least in one place in the AGM
import the distinction in application code was too late and
measurements matching an approved measurement could have been missed.
author | Tom Gottfried <tom@intevation.de> |
---|---|
date | Wed, 15 May 2019 19:08:49 +0200 |
parents | 6691bf76af1c |
children | 5f47eeea988d |
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// This is Free Software under GNU Affero General Public License v >= 3.0 // without warranty, see README.md and license for details. // // SPDX-License-Identifier: AGPL-3.0-or-later // License-Filename: LICENSES/AGPL-3.0.txt // // Copyright (C) 2018 by via donau // – Österreichische Wasserstraßen-Gesellschaft mbH // Software engineering by Intevation GmbH // // Author(s): // * Sascha L. Teichmann <sascha.teichmann@intevation.de> package scheduler import ( "context" "database/sql" "log" "gemma.intevation.de/gemma/pkg/auth" "gemma.intevation.de/gemma/pkg/config" ) const ( bootRole = "sys_admin" selectImportConfSQL = ` SELECT c.id, c.kind, a.v FROM import.import_configuration c JOIN import.import_configuration_attributes a ON c.id = a.import_configuration_id WHERE a.k = 'cron' AND a.v IS NOT NULL AND a.v <> '' ` scheduledIDsSQL = ` SELECT id FROM import.import_configuration WHERE username = $1 AND id IN ( SELECT import_configuration_id FROM import.import_configuration_attributes WHERE k = 'cron')` ) func init() { go boot() } // boot starts the scheduler with the configurations from // the database which have a schedule. func boot() { config.WaitReady() log.Println("info: booting scheduler from database.") ctx := context.Background() err := auth.RunAs( ctx, bootRole, func(conn *sql.Conn) error { rows, err := conn.QueryContext(ctx, selectImportConfSQL) if err != nil { return err } defer rows.Close() err = BootActions(func(ba *BoundAction) (bool, error) { if err != nil { return false, err } if !rows.Next() { return false, nil } var id int64 if err = rows.Scan( &id, &ba.Name, &ba.Spec, ); err != nil { return false, err } ba.CfgID = id return true, nil }) if err != nil { return err } return rows.Err() }) if err != nil { log.Printf("error: %v\n", err) } } // ScheduledUserIDs returns the IDs with a schedule for a given user. func ScheduledUserIDs( ctx context.Context, conn *sql.Conn, user string, ) (map[int64]struct{}, error) { ids := map[int64]struct{}{} rows, err := conn.QueryContext(ctx, scheduledIDsSQL, user) if err != nil { return nil, nil } defer rows.Close() for rows.Next() { var id int64 if err := rows.Scan(&id); err != nil { return nil, err } ids[id] = struct{}{} } if err := rows.Err(); err != nil { return nil, err } return ids, nil }