Skip to main content
Warning: You are using the test version of PyPI. This is a pre-production deployment of Warehouse. Changes made here affect the production instance of TestPyPI (testpypi.python.org).
Help us improve Python packaging - Donate today!

Redis-Sentinel integration for Flask

Project Description

Flask-Redis-Sentinel provides support for connecting to Redis using Sentinel and also supports connecting to Redis without it.

  • Supports Python 2.7 and 3.3+
  • Licensed using Apache License 2.0

Installation

Install with pip:

pip install Flask-Redis-Sentinel

Basic usage

from flask_redis_sentinel import SentinelExtension

redis_sentinel = SentinelExtension()
redis_connection = redis_sentinel.default_connection

# Later when you create application
app = Flask(...)
redis_sentinel.init_app(app)

You can configure Redis connection parameters using REDIS_URL Flask configuration variable with redis+sentinel URL scheme:

redis+sentinel://localhost:26379[,otherhost:26379,...]/mymaster/0
redis+sentinel://localhost:26379[,otherhost:26379,...]/mymaster/0?socket_timeout=0.1
redis+sentinel://localhost:26379[,otherhost:26379,...]/mymaster/0?sentinel_socket_timeout=0.1
redis+sentinel://:sentinel-secret-password@localhost:26379[,otherhost:26379,...]/mymaster/0?sentinel_socket_timeout=0.1

The extension also supports URL schemes as supported by redis-py for connecting to an instance directly without Sentinel:

redis://[:password]@localhost:6379/0
rediss://[:password]@localhost:6379/0
unix://[:password]@/path/to/socket.sock?db=0

Flask-And-Redis style config variables are also supported for easier migration, but the extension will log a DeprecationWarning:

REDIS_HOST = 'localhost'
REDIS_PORT = 6379
REDIS_DB = 0

In case both REDIS_URL and other variables are present, the URL is used.

Creating multiple connection pools using a single Sentinel cluster

from flask_redis_sentinel import SentinelExtension

redis_sentinel = SentinelExtension()
master1 = redis_sentinel.master_for('service1')
master2 = redis_sentinel.master_for('service2')
slave1 = redis_sentinel.slave_for('service1')

Accessing redis-py’s Sentinel instance

from flask_redis_sentinel import SentinelExtension
from flask import jsonify, Flask

app = Flask('test')

redis_sentinel = SentinelExtension(app=app)

@app.route('/')
def index():
    slaves = redis_sentinel.sentinel.discover_slaves('service1')
    return jsonify(slaves=slaves)

Change log

v1.0.0

  • Moved URL handling code to a separate library, redis_sentinel_url

  • Backward-incompatible change:

    # Old
    redis+sentinel://host:port/service?slave=true
    

    Should now be written as:

    # New
    redis+sentinel://host:port/service?client_type=slave
    

v0.2.0

  • Use config variables other than REDIS_{HOST, PORT, DB} even if REDIS_URL is used
  • Minor refactoring

v0.1.0

  • Initial release
Release History

Release History

This version
History Node

1.0.0

Download Files

Download Files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
Flask_Redis_Sentinel-1.0.0-py2.py3-none-any.whl (4.9 kB) Copy SHA256 Checksum SHA256 py2.py3 Wheel Aug 24, 2016
Flask-Redis-Sentinel-1.0.0.tar.gz (8.2 kB) Copy SHA256 Checksum SHA256 Source Aug 24, 2016

Supported By

WebFaction WebFaction Technical Writing Elastic Elastic Search Pingdom Pingdom Monitoring Dyn Dyn DNS Sentry Sentry Error Logging CloudAMQP CloudAMQP RabbitMQ Heroku Heroku PaaS Kabu Creative Kabu Creative UX & Design Fastly Fastly CDN DigiCert DigiCert EV Certificate Rackspace Rackspace Cloud Servers DreamHost DreamHost Log Hosting