BioMAJ download service
Project description
# About
Microservice to manage the downloads of biomaj.
A protobuf interface is available in biomaj_download/message/message_pb2.py to exchange messages between BioMAJ and the download service. Messages go through RabbitMQ (to be installed).
# Protobuf
To compile protobuf, in biomaj_download/message:
protoc –python_out=. message.proto
# Development
flake8 biomaj_download/*.py biomaj_download/download
# Run
## Message consumer:
export BIOMAJ_CONFIG=path_to_config.yml python bin/biomaj_download_consumer.py
## Web server
If package is installed via pip, you need a file named gunicorn_conf.py containing somehwhere on local server:
- def worker_exit(server, worker):
from prometheus_client import multiprocess multiprocess.mark_process_dead(worker.pid)
If you cloned the repository and installed it via python setup.py install, just refer to the gunicorn_conf.py in the cloned repository.
export BIOMAJ_CONFIG=path_to_config.yml rm -rf ..path_to/prometheus-multiproc mkdir -p ..path_to/prometheus-multiproc export prometheus_multiproc_dir=..path_to/prometheus-multiproc gunicorn -c gunicorn_conf.py biomaj_download.biomaj_download_web:app
Web processes should be behind a proxy/load balancer, API base url /api/download
Prometheus endpoint metrics are exposed via /metrics on web server
- 3.0.15:
Fix progress download control where could have infinite loop Add irods download
- 3.0.14:
Allow setup of local_endpoint per service, else use default local_endpoint
- 3.0.13:
In rate limiting, add progress vs total of download Fix rate limiting submission
- 3.0.12:
Add retry in case of session creation failure disable web thread logging
- 3.0.11:
Display progress of download by percent of downloads In case of contact error in downloadclient, retry connection
- 3.0.10:
Feature #3: Add rate limiting option to limit number of parallel downloads for a client
- 3.0.9:
Add host in prometheus stats Fix #2: allow setting http.group.file.size or http.group.file.date to -1 if not avalaible in http(s) page for regexp
- 3.0.8:
Fix prometheus stats Add consul supervision
- 3.0.7:
Change size type to int64
- 3.0.6:
Fix download_or_copy to avoid downloading a file existing in a previous production directory
- 3.0.4:
Fixes on messages
- 3.0.3:
Fix management of timeout leading to a crash when using biomaj.download parameter.
- 3.0.2:
set rabbitmq parameter optional
- 3.0.1:
add missing README etc.. in package
- 3.0.0:
move download management out of biomaj main package
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