Mercurial > gemma

annotate pkg/imports/queue.go @ 1130:42617bba8709

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Go from 50cm to 10cm stepwidth in calculating the contorlines.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 07 Nov 2018 17:54:31 +0100
parents a244b18cb916
children a5069da2f0b7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1017
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
1 // This is Free Software under GNU Affero General Public License v >= 3.0
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
2 // without warranty, see README.md and license for details.
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
3 //
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
4 // SPDX-License-Identifier: AGPL-3.0-or-later
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
5 // License-Filename: LICENSES/AGPL-3.0.txt
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
6 //
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
7 // Copyright (C) 2018 by via donau
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
8 // – Österreichische Wasserstraßen-Gesellschaft mbH
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
9 // Software engineering by Intevation GmbH
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
10 //
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
11 // Author(s):
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
a244b18cb916 Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1010
diff changeset
13
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14 package imports
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16 import (
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 "context"
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 "database/sql"
992
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
19 "fmt"
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 "log"
992
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
21 "runtime/debug"
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 "sync"
1003
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
23 "time"
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
24
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 "gemma.intevation.de/gemma/pkg/auth"
1000
14425e35e3c2 Wait with start of import queue until configuration is fully loaded.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 998
diff changeset
26 "gemma.intevation.de/gemma/pkg/config"
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 )
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28
991
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
29 type (
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
30 Feedback interface {
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
31 Info(fmt string, args ...interface{})
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
32 Warn(fmt string, args ...interface{})
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
33 Error(fmt string, args ...interface{})
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
34 }
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
35
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
36 Job interface {
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
37 Do(*sql.Conn, Feedback) error
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
38 CleanUp() error
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
39 }
988
7dfd3db94e6d In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 987
diff changeset
40
991
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
41 JobKind string
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
42
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
43 JobCreator func(kind JobKind, data string) (Job, error)
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44
991
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
45 idJob struct {
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
46 id int64
991
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
47 kind JobKind
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
48 user string
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
49 data string
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
50 }
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
51 )
987
3841509f6e9e Store job id alongside to job in job queue.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 979
diff changeset
52
1003
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
53 const pollDuration = time.Second * 10
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
54
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55 var (
1003
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
56 signalChan = make(chan struct{})
991
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
57
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
58 creatorsMu sync.Mutex
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
59 creators = map[JobKind]JobCreator{}
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60 )
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
62 const (
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
63 queueUser = "sys_admin"
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
64
1005
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
65 reEnqueueRunningSQL = `
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
66 UPDATE waterway.imports SET state = 'queued'::waterway.import_state
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
67 WHERE state = 'running'::waterway.import_state
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
68 `
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
69
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
70 insertJobSQL = `
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
71 INSERT INTO waterway.imports (
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
72 kind,
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
73 username,
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
74 data
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
75 ) VALUES (
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
76 $1,
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
77 $2,
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
78 $3
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
79 ) RETURNING id`
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
80
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
81 selectJobSQL = `
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
82 SELECT
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
83 id,
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
84 kind,
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
85 username,
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
86 data
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
87 FROM waterway.imports
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
88 WHERE state = 'queued'::waterway.import_state AND enqueued IN (
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
89 SELECT min(enqueued)
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
90 FROM waterway.imports
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
91 WHERE state = 'queued'::waterway.import_state
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
92 )
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
93 LIMIT 1
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
94 `
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
95 updateStateSQL = `
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
96 UPDATE waterway.imports SET state = $1::waterway.import_state
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
97 WHERE id = $2
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
98 `
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
99 logMessageSQL = `
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
100 INSERT INTO waterway.import_logs (
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
101 import_id,
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
102 kind,
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
103 msg
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
104 ) VALUES (
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
105 $1,
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
106 $2::waterway.log_type,
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
107 $3
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
108 )`
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
109 )
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
110
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
111 func init() {
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
112 go importLoop()
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
113 }
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
114
991
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
115 func RegisterJobCreator(kind JobKind, jc JobCreator) {
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
116 log.Printf("info: register import job creator for kind '%s'\n", kind)
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
117 creatorsMu.Lock()
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
118 defer creatorsMu.Unlock()
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
119 creators[kind] = jc
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
120 }
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
121
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
122 func jobCreator(kind JobKind) JobCreator {
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
123 creatorsMu.Lock()
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
124 defer creatorsMu.Unlock()
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
125 return creators[kind]
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
126 }
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
127
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
128 func AddJob(kind JobKind, user, data string) (int64, error) {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
129 ctx := context.Background()
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
130 var id int64
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
131 err := auth.RunAs(queueUser, ctx, func(conn *sql.Conn) error {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
132 return conn.QueryRowContext(ctx, insertJobSQL, string(kind), user, data).Scan(&id)
991
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
133 })
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
134 if err == nil {
1003
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
135 select {
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
136 case signalChan <- struct{}{}:
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
137 default:
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
138 }
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
139 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
140 return id, err
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
141 }
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
142
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
143 type logFeedback int64
988
7dfd3db94e6d In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 987
diff changeset
144
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
145 func (lf logFeedback) log(kind, format string, args ...interface{}) {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
146 ctx := context.Background()
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
147 err := auth.RunAs(queueUser, ctx, func(conn *sql.Conn) error {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
148 _, err := conn.ExecContext(
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
149 ctx, logMessageSQL, int64(lf), kind, fmt.Sprintf(format, args...))
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
150 return err
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
151 })
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
152 if err != nil {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
153 log.Printf("logging failed: %v\n", err)
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
154 }
988
7dfd3db94e6d In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 987
diff changeset
155 }
7dfd3db94e6d In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 987
diff changeset
156
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
157 func (lf logFeedback) Info(format string, args ...interface{}) {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
158 lf.log("info", format, args...)
988
7dfd3db94e6d In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 987
diff changeset
159 }
7dfd3db94e6d In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 987
diff changeset
160
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
161 func (lf logFeedback) Warn(format string, args ...interface{}) {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
162 lf.log("warn", format, args...)
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
163 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
164
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
165 func (lf logFeedback) Error(format string, args ...interface{}) {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
166 lf.log("error", format, args...)
988
7dfd3db94e6d In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 987
diff changeset
167 }
7dfd3db94e6d In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 987
diff changeset
168
992
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
169 func survive(fn func() error) func() error {
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
170 return func() error {
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
171 errCh := make(chan error)
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
172 go func() {
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
173 defer func() {
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
174 if err := recover(); err != nil {
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
175 errCh <- fmt.Errorf("%v: %s",
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
176 err, string(debug.Stack()))
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
177 }
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
178 }()
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
179 errCh <- fn()
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
180 }()
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
181 return <-errCh
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
182 }
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
183 }
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
184
1005
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
185 func reEnqueueRunning() error {
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
186 ctx := context.Background()
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
187 return auth.RunAs(queueUser, ctx, func(conn *sql.Conn) error {
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
188 _, err := conn.ExecContext(ctx, reEnqueueRunningSQL)
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
189 return err
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
190 })
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
191 }
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
192
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
193 func fetchJob() (*idJob, error) {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
194 var ji idJob
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
195 ctx := context.Background()
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
196 err := auth.RunAs(queueUser, ctx, func(conn *sql.Conn) error {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
197 tx, err := conn.BeginTx(ctx, nil)
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
198 if err != nil {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
199 return err
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
200 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
201 defer tx.Rollback()
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
202 if err = tx.QueryRowContext(ctx, selectJobSQL).Scan(
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
203 &ji.id, &ji.kind, &ji.user, &ji.data); err != nil {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
204 return err
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
205 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
206 _, err = tx.ExecContext(ctx, updateStateSQL, "running", ji.id)
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
207 if err == nil {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
208 err = tx.Commit()
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
209 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
210 return err
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
211 })
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
212 switch {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
213 case err == sql.ErrNoRows:
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
214 return nil, nil
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
215 case err != nil:
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
216 return nil, err
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
217 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
218 return &ji, nil
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
219 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
220
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
221 func updateState(id int64, state string) error {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
222 ctx := context.Background()
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
223 return auth.RunAs(queueUser, ctx, func(conn *sql.Conn) error {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
224 _, err := conn.ExecContext(ctx, updateStateSQL, state, id)
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
225 return err
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
226 })
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
227 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
228
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
229 func errorAndFail(id int64, format string, args ...interface{}) error {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
230 ctx := context.Background()
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
231 err := auth.RunAs(queueUser, ctx, func(conn *sql.Conn) error {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
232 tx, err := conn.BeginTx(ctx, nil)
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
233 if err != nil {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
234 return err
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
235 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
236 defer tx.Rollback()
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
237 _, err = conn.ExecContext(
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
238 ctx, logMessageSQL, id, "error", fmt.Sprintf(format, args...))
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
239 if err != nil {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
240 return err
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
241 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
242 _, err = conn.ExecContext(
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
243 ctx, updateStateSQL, "failed", id)
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
244 if err == nil {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
245 err = tx.Commit()
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
246 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
247 return err
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
248 })
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
249 return err
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
250 }
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
251
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
252 func importLoop() {
1000
14425e35e3c2 Wait with start of import queue until configuration is fully loaded.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 998
diff changeset
253 config.WaitReady()
1005
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
254 // re-enqueue the jobs that are in state running.
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
255 // They where in progess when the server went down.
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
256 if err := reEnqueueRunning(); err != nil {
1010
8f23ec811afb Fixed and harmonized wording in importer queue a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1005
diff changeset
257 log.Printf("re-enqueuing failed: %v", err)
1005
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
258 }
fcf016ebdef4 Re-enqueue import jobs in state running if the the gemma server starts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1003
diff changeset
259
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
260 for {
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
261 var idj *idJob
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
262 var err error
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
263
1003
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
264 for {
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
265 if idj, err = fetchJob(); err != nil {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
266 log.Printf("db error: %v\n", err)
1003
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
267 }
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
268 if idj != nil {
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
269 break
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
270 }
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
271 select {
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
272 case <-signalChan:
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
273 case <-time.After(pollDuration):
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
274 }
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
275 }
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
276
1010
8f23ec811afb Fixed and harmonized wording in importer queue a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1005
diff changeset
277 log.Printf("starting import #%d\n", idj.id)
987
3841509f6e9e Store job id alongside to job in job queue.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 979
diff changeset
278
991
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
279 jc := jobCreator(idj.kind)
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
280 if jc == nil {
1010
8f23ec811afb Fixed and harmonized wording in importer queue a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1005
diff changeset
281 errorAndFail(idj.id, "no creator for kind '%s' found", idj.kind)
991
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
282 continue
988
7dfd3db94e6d In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 987
diff changeset
283 }
7dfd3db94e6d In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 987
diff changeset
284
991
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
285 job, err := jc(idj.kind, idj.data)
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
286 if err != nil {
1010
8f23ec811afb Fixed and harmonized wording in importer queue a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1005
diff changeset
287 errorAndFail(idj.id, "failed to create job for import #%d: %v",
8f23ec811afb Fixed and harmonized wording in importer queue a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1005
diff changeset
288 idj.id, err)
991
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
289 continue
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
290 }
a301d240905f Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 989
diff changeset
291
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
292 feedback := logFeedback(idj.id)
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
293
1010
8f23ec811afb Fixed and harmonized wording in importer queue a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1005
diff changeset
294 feedback.Info("import #%d started\n", idj.id)
8f23ec811afb Fixed and harmonized wording in importer queue a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1005
diff changeset
295
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
296 errDo := survive(func() error {
992
a978b2b26a88 Run do and cleanup of import jobs in own go routines with crash handler.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 991
diff changeset
297 return auth.RunAs(idj.user, context.Background(),
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
298 func(conn *sql.Conn) error { return job.Do(conn, feedback) })
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
299 })()
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
300 if errDo != nil {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
301 feedback.Error("error do: %v\n", errDo)
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
302 }
1000
14425e35e3c2 Wait with start of import queue until configuration is fully loaded.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 998
diff changeset
303 errCleanup := survive(job.CleanUp)()
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
304 if errCleanup != nil {
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
305 feedback.Error("error cleanup: %v\n", errCleanup)
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
306 }
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
307
1003
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
308 var state string
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
309 if errDo != nil || errCleanup != nil {
1003
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
310 state = "failed"
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
311 } else {
1003
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
312 state = "successful"
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
313 }
1003
d789f19877f4 Do not rely on internal gemma state only. Instead poll every 10 seconds for new import jobs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1000
diff changeset
314 if err := updateState(idj.id, state); err != nil {
998
75e65599ea52 Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 992
diff changeset
315 log.Printf("setting state of job %d failed: %v\n", idj.id, err)
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
316 }
1010
8f23ec811afb Fixed and harmonized wording in importer queue a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1005
diff changeset
317 log.Printf("import #%d finished: %s\n", idj.id, state)
958
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
318 }
2818ad6c7d32 Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
319 }