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#!/usr/bin/env python3
"""
These are generally for continuously running workers that consume from Kafka.
Outputs might either be pushed back into Kafka, or directly into sandcrawler-db
or minio.
"""
import os
import sys
import argparse
import datetime
import raven
from sandcrawler import *
# Yep, a global. Gets DSN from `SENTRY_DSN` environment variable
try:
git_sha = raven.fetch_git_sha('..')
except Exception as e:
git_sha = None
sentry_client = raven.Client(release=git_sha)
def run_grobid_extract(args):
consume_topic = "sandcrawler-{}.ungrobided-pg".format(args.env)
produce_topic = "sandcrawler-{}.grobid-output-pg".format(args.env)
sink = KafkaSink(
kafka_hosts=args.kafka_hosts,
produce_topic=produce_topic,
)
grobid_client = GrobidClient(
host_url=args.grobid_host,
)
wayback_client = WaybackClient(
host_url=args.grobid_host,
)
worker = GrobidWorker(
grobid_client=grobid_client,
wayback_client=wayback_client,
sink=sink,
)
pusher = KafkaJsonPusher(
worker=worker,
kafka_hosts=args.kafka_hosts,
consume_topic=consume_topic,
group="grobid-extract",
)
pusher.run()
def run_persist_grobid(args):
consume_topic = "sandcrawler-{}.grobid-output-pg".format(args.env)
worker = PersistGrobidWorker(
db_url=args.db_url,
s3_url=args.s3_url,
s3_bucket=args.s3_bucket,
s3_access_key=args.s3_access_key,
s3_secret_key=args.s3_secret_key,
s3_only=args.s3_only,
)
pusher = KafkaJsonPusher(
worker=worker,
kafka_hosts=args.kafka_hosts,
consume_topic=consume_topic,
group="persist-grobid",
push_batches=True,
batch_size=25,
)
pusher.run()
def run_ingest_file(args):
if args.bulk:
consume_topic = "sandcrawler-{}.ingest-file-requests-bulk".format(args.env)
else:
consume_topic = "sandcrawler-{}.ingest-file-requests".format(args.env)
produce_topic = "sandcrawler-{}.ingest-file-results".format(args.env)
grobid_topic = "sandcrawler-{}.grobid-output-pg".format(args.env)
sink = KafkaSink(
kafka_hosts=args.kafka_hosts,
produce_topic=produce_topic,
)
grobid_sink = KafkaSink(
kafka_hosts=args.kafka_hosts,
produce_topic=grobid_topic,
)
grobid_client = GrobidClient(
host_url=args.grobid_host,
)
worker = IngestFileWorker(
grobid_client=grobid_client,
sink=sink,
grobid_sink=grobid_sink,
)
pusher = KafkaJsonPusher(
worker=worker,
kafka_hosts=args.kafka_hosts,
consume_topic=consume_topic,
group="ingest-file",
batch_size=1,
)
pusher.run()
def run_persist_ingest_file(args):
consume_topic = "sandcrawler-{}.ingest-file-results".format(args.env)
worker = PersistIngestFileResultWorker(
db_url=args.db_url,
)
pusher = KafkaJsonPusher(
worker=worker,
kafka_hosts=args.kafka_hosts,
consume_topic=consume_topic,
group="persist-ingest",
push_batches=True,
batch_size=100,
)
pusher.run()
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--kafka-hosts',
default="localhost:9092",
help="list of Kafka brokers (host/port) to use")
parser.add_argument('--env',
default="dev",
help="Kafka topic namespace to use (eg, prod, qa, dev)")
parser.add_argument('--grobid-host',
default="http://grobid.qa.fatcat.wiki",
help="GROBID API host/port")
parser.add_argument('--db-url',
help="postgresql database connection string",
default="postgres:///sandcrawler")
parser.add_argument('--s3-url',
help="S3 (minio) backend URL",
default="localhost:9000")
parser.add_argument('--s3-access-key',
help="S3 (minio) credential",
default=os.environ.get('MINIO_ACCESS_KEY'))
parser.add_argument('--s3-secret-key',
help="S3 (minio) credential",
default=os.environ.get('MINIO_SECRET_KEY'))
parser.add_argument('--s3-bucket',
help="S3 (minio) bucket to persist into",
default="sandcrawler-dev")
subparsers = parser.add_subparsers()
sub_grobid_extract = subparsers.add_parser('grobid-extract',
help="daemon that consumes CDX JSON objects from Kafka, extracts, pushes to Kafka")
sub_grobid_extract.set_defaults(func=run_grobid_extract)
sub_persist_grobid = subparsers.add_parser('persist-grobid',
help="daemon that consumes GROBID output from Kafka and pushes to minio and postgres")
sub_persist_grobid.add_argument('--s3-only',
action='store_true',
help="only upload TEI-XML to S3 (don't write to database)")
sub_persist_grobid.set_defaults(func=run_persist_grobid)
sub_ingest_file = subparsers.add_parser('ingest-file',
help="daemon that consumes requests from Kafka, ingests, pushes results to Kafka")
sub_ingest_file.add_argument('--bulk',
action='store_true',
help="consume from bulk kafka topic (eg, for ingest backfill)")
sub_ingest_file.set_defaults(func=run_ingest_file)
sub_persist_ingest_file = subparsers.add_parser('persist-ingest-file',
help="daemon that consumes ingest-file output from Kafka and pushes to postgres")
sub_persist_ingest_file.set_defaults(func=run_persist_ingest_file)
args = parser.parse_args()
if not args.__dict__.get("func"):
print("tell me what to do!")
sys.exit(-1)
args.func(args)
if __name__ == '__main__':
main()
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