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authorBryan Newbold <bnewbold@robocracy.org>2019-12-10 10:21:21 -0800
committerBryan Newbold <bnewbold@robocracy.org>2019-12-10 10:21:21 -0800
commita7736d91665f6a98090cd448d02f1542aec6c180 (patch)
treea52da8edfbe07bac3e24fc57bdc017823b16f21a /python
parentc0af75e31983852b15e430260dd67f220f31981a (diff)
downloadfatcat-a7736d91665f6a98090cd448d02f1542aec6c180.tar.gz
fatcat-a7736d91665f6a98090cd448d02f1542aec6c180.zip
factor out some basic kafka helpers
Diffstat (limited to 'python')
-rw-r--r--python/fatcat_tools/__init__.py1
-rw-r--r--python/fatcat_tools/kafka.py22
2 files changed, 23 insertions, 0 deletions
diff --git a/python/fatcat_tools/__init__.py b/python/fatcat_tools/__init__.py
index f2798f0b..78c5c90b 100644
--- a/python/fatcat_tools/__init__.py
+++ b/python/fatcat_tools/__init__.py
@@ -2,3 +2,4 @@
from .api_auth import authenticated_api, public_api
from .fcid import fcid2uuid, uuid2fcid
from .transforms import *
+from .kafka import simple_kafka_producer, kafka_fail_fast
diff --git a/python/fatcat_tools/kafka.py b/python/fatcat_tools/kafka.py
new file mode 100644
index 00000000..53b62a37
--- /dev/null
+++ b/python/fatcat_tools/kafka.py
@@ -0,0 +1,22 @@
+
+from confluent_kafka import Consumer, Producer, KafkaException
+
+
+def kafka_fail_fast(err, msg):
+ if err is not None:
+ print("Kafka producer delivery error: {}".format(err))
+ print("Bailing out...")
+ # TODO: should it be sys.exit(-1)?
+ raise KafkaException(err)
+
+def simple_kafka_producer(kafka_hosts):
+
+ kafka_config = {
+ 'bootstrap.servers': kafka_hosts,
+ 'message.max.bytes': 20000000, # ~20 MBytes; broker-side max is ~50 MBytes
+ 'delivery.report.only.error': True,
+ 'default.topic.config': {
+ 'request.required.acks': -1,
+ },
+ }
+ return Producer(kafka_config)