Mercurial > gemma
annotate pkg/imports/queue.go @ 1005:fcf016ebdef4 persistent-import-queue
Re-enqueue import jobs in state running if the the gemma server starts.
These are jobs that where started but did not finish before the server
died before.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
---|---|
date | Mon, 22 Oct 2018 18:14:16 +0200 |
parents | d789f19877f4 |
children | 8f23ec811afb |
rev | line source |
---|---|
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
1 package imports |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
2 |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
3 import ( |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
4 "context" |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
5 "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
|
6 "fmt" |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
7 "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
|
8 "runtime/debug" |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
9 "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
|
10 "time" |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
11 |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
12 "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
|
13 "gemma.intevation.de/gemma/pkg/config" |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
14 ) |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
15 |
991
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
16 type ( |
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
17 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
|
18 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
|
19 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
|
20 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
|
21 } |
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
22 |
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
23 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
|
24 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
|
25 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
|
26 } |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
987
diff
changeset
|
27 |
991
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
28 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
|
29 |
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
30 JobCreator func(kind JobKind, data string) (Job, error) |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
31 |
991
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
32 idJob struct { |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
33 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
|
34 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
|
35 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
|
36 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
|
37 } |
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
38 ) |
987
3841509f6e9e
Store job id alongside to job in job queue.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
979
diff
changeset
|
39 |
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
|
40 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
|
41 |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
42 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
|
43 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
|
44 |
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
45 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
|
46 creators = map[JobKind]JobCreator{} |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
47 ) |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
48 |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
49 const ( |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
50 queueUser = "sys_admin" |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
51 |
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
|
52 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
|
53 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
|
54 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
|
55 ` |
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
|
56 |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
57 insertJobSQL = ` |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
58 INSERT INTO waterway.imports ( |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
59 kind, |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
60 username, |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
61 data |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
62 ) VALUES ( |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
63 $1, |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
64 $2, |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
65 $3 |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
66 ) RETURNING id` |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
67 |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
68 selectJobSQL = ` |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
69 SELECT |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
70 id, |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
71 kind, |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
72 username, |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
73 data |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
74 FROM waterway.imports |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
75 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
|
76 SELECT min(enqueued) |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
77 FROM waterway.imports |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
78 WHERE state = 'queued'::waterway.import_state |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
79 ) |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
80 LIMIT 1 |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
81 ` |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
82 updateStateSQL = ` |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
83 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
|
84 WHERE id = $2 |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
85 ` |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
86 logMessageSQL = ` |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
87 INSERT INTO waterway.import_logs ( |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
88 import_id, |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
89 kind, |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
90 msg |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
91 ) VALUES ( |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
92 $1, |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
93 $2::waterway.log_type, |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
94 $3 |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
95 )` |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
96 ) |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
97 |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
98 func init() { |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
99 go importLoop() |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
100 } |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
101 |
991
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
102 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
|
103 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
|
104 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
|
105 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
|
106 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
|
107 } |
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
108 |
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
109 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
|
110 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
|
111 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
|
112 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
|
113 } |
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
114 |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
115 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
|
116 ctx := context.Background() |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
117 var id int64 |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
118 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
|
119 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
|
120 }) |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
121 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
|
122 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
|
123 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
|
124 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
|
125 } |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
126 } |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
127 return id, err |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
128 } |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
129 |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
130 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
|
131 |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
132 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
|
133 ctx := context.Background() |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
134 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
|
135 _, err := conn.ExecContext( |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
136 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
|
137 return err |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
138 }) |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
139 if err != nil { |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
140 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
|
141 } |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
987
diff
changeset
|
142 } |
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
987
diff
changeset
|
143 |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
144 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
|
145 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
|
146 } |
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
987
diff
changeset
|
147 |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
148 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
|
149 lf.log("warn", format, args...) |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
150 } |
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 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
|
153 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
|
154 } |
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
987
diff
changeset
|
155 |
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
|
156 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
|
157 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
|
158 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
|
159 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
|
160 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
|
161 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
|
162 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
|
163 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
|
164 } |
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
|
165 }() |
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
|
166 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
|
167 }() |
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
|
168 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
|
169 } |
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 } |
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 |
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
|
172 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
|
173 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
|
174 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
|
175 _, 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
|
176 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
|
177 }) |
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
|
178 } |
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
|
179 |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
180 func fetchJob() (*idJob, error) { |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
181 var ji idJob |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
182 ctx := context.Background() |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
183 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
|
184 tx, err := conn.BeginTx(ctx, nil) |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
185 if err != nil { |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
186 return err |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
187 } |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
188 defer tx.Rollback() |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
189 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
|
190 &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
|
191 return err |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
192 } |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
193 _, 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
|
194 if err == nil { |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
195 err = tx.Commit() |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
196 } |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
197 return err |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
198 }) |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
199 switch { |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
200 case err == sql.ErrNoRows: |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
201 return nil, nil |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
202 case err != nil: |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
203 return nil, err |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
204 } |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
205 return &ji, nil |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
206 } |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
207 |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
208 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
|
209 ctx := context.Background() |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
210 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
|
211 _, 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
|
212 return err |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
213 }) |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
214 } |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
215 |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
216 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
|
217 ctx := context.Background() |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
218 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
|
219 tx, err := conn.BeginTx(ctx, nil) |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
220 if err != nil { |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
221 return err |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
222 } |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
223 defer tx.Rollback() |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
224 _, err = conn.ExecContext( |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
225 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
|
226 if err != nil { |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
227 return err |
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 _, err = conn.ExecContext( |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
230 ctx, updateStateSQL, "failed", id) |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
231 if err == nil { |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
232 err = tx.Commit() |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
233 } |
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 return err |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
237 } |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
238 |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
239 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
|
240 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
|
241 // 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
|
242 // 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
|
243 if err := reEnqueueRunning(); err != nil { |
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
|
244 log.Printf("re-enquing failed: %v", 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
|
245 } |
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
|
246 |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
247 for { |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
248 var idj *idJob |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
249 var err error |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
250 |
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
|
251 for { |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
252 if idj, err = fetchJob(); err != nil { |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
253 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
|
254 } |
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
|
255 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
|
256 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
|
257 } |
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
|
258 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
|
259 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
|
260 case <-time.After(pollDuration): |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
261 } |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
262 } |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
263 |
987
3841509f6e9e
Store job id alongside to job in job queue.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
979
diff
changeset
|
264 log.Printf("starting import job %d\n", idj.id) |
3841509f6e9e
Store job id alongside to job in job queue.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
979
diff
changeset
|
265 |
991
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
266 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
|
267 if jc == nil { |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
268 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
|
269 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
|
270 } |
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
987
diff
changeset
|
271 |
991
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
272 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
|
273 if err != nil { |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
274 errorAndFail(idj.id, "Faild to create job: %v", 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
|
275 continue |
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
276 } |
a301d240905f
Decoupled import job creation and job execution with a factory function.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
989
diff
changeset
|
277 |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
278 feedback := logFeedback(idj.id) |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
279 |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
280 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
|
281 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
|
282 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
|
283 })() |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
284 if errDo != nil { |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
285 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
|
286 } |
1000
14425e35e3c2
Wait with start of import queue until configuration is fully loaded.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
998
diff
changeset
|
287 errCleanup := survive(job.CleanUp)() |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
288 if errCleanup != nil { |
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
289 feedback.Error("error cleanup: %v\n", errCleanup) |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
290 } |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
291 |
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
|
292 var state string |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
293 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
|
294 state = "failed" |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
295 } 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
|
296 state = "successful" |
998
75e65599ea52
Persist job queue in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
992
diff
changeset
|
297 } |
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
|
298 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
|
299 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
|
300 } |
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
|
301 log.Printf("job %d finished: %s\n", idj.id, state) |
958
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
302 } |
2818ad6c7d32
Started with import queue.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
303 } |