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memoriav
Memobase 2020
services
Import Process
Import API
Commits
a7c0a2f4
Commit
a7c0a2f4
authored
Jun 30, 2020
by
Lionel Walter
Browse files
Consume instead of poll to get reliable numbers in the report
parent
8448575e
Pipeline
#10781
passed with stages
in 9 minutes and 39 seconds
Changes
1
Pipelines
1
Hide whitespace changes
Inline
Side-by-side
import_api_app/models/Report.py
View file @
a7c0a2f4
...
@@ -8,13 +8,14 @@ from import_api_app.models.Error import ImportApiError
...
@@ -8,13 +8,14 @@ from import_api_app.models.Error import ImportApiError
def
get_report
(
topic_name
):
def
get_report
(
topic_name
):
try
:
# read from kafka topic and generate report from it:
try
:
# read from kafka topic and generate report from it:
report
=
''
consumer
=
KafkaConsumer
(
consumer
=
KafkaConsumer
(
topic_name
,
topic_name
,
value_deserializer
=
lambda
m
:
json
.
loads
(
m
.
decode
(
'utf8'
)),
value_deserializer
=
lambda
m
:
json
.
loads
(
m
.
decode
(
'utf8'
)),
bootstrap_servers
=
current_app
.
config
[
'kafka-broker-url'
],
bootstrap_servers
=
current_app
.
config
[
'kafka-broker-url'
],
auto_offset_reset
=
'earliest'
,
auto_offset_reset
=
'earliest'
,
enable_auto_commit
=
False
enable_auto_commit
=
False
,
# we stop reading messages after 2 seconds
consumer_timeout_ms
=
2000
# todo maybe add group id ?
# todo maybe add group id ?
# group_id='import-api-report'+topic_name
# group_id='import-api-report'+topic_name
)
)
...
@@ -24,20 +25,17 @@ def get_report(topic_name):
...
@@ -24,20 +25,17 @@ def get_report(topic_name):
raise
ImportApiError
(
message
)
raise
ImportApiError
(
message
)
try
:
# read job-reporting messages from kafka
try
:
# read job-reporting messages from kafka
consumer
.
subscribe
(
topic_name
)
job_messages
=
consumer
.
poll
(
timeout_ms
=
10000
,
max_records
=
1000
)
processed
=
succeeded
=
0
processed
=
succeeded
=
0
if
job_messages
:
report
=
''
for
partition
in
job_messages
:
for
jobMessage
in
consumer
:
for
jobMessage
in
job_messages
[
partition
]:
msg_value
=
jobMessage
.
value
msg_value
=
jobMessage
.
value
if
msg_value
[
'status'
]
==
'FAILURE'
:
if
msg_value
[
'status'
]
==
'FAILURE'
:
report
=
report
+
msg_value
[
'id'
]
+
": "
+
msg_value
[
'message'
]
+
"
\r\n
"
report
=
report
+
msg_value
[
'id'
]
+
": "
+
msg_value
[
'message'
]
+
"
\r\n
"
else
:
else
:
succeeded
=
succeeded
+
1
succeeded
=
succeeded
+
1
processed
=
processed
+
1
processed
=
processed
+
1
report
=
report
[:
-
2
]
report
=
report
[:
-
2
]
if
processed
==
0
:
else
:
report
=
'No messages found'
report
=
'No messages found'
except
KafkaError
:
except
KafkaError
:
message
=
'It was not possible to consume the Kafka messages'
message
=
'It was not possible to consume the Kafka messages'
...
...
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