---
id: oslo-service
version: "4.8.0"
license: unclear
license_treatment: permissive
maintenance: active
---

# oslo.service — oslo.service library

License: permissive · Maintenance: active · Downloads: 439.1K/mo

## What it is and what it does

oslo.service is a library for building long-running services following OpenStack conventions. It abstracts common patterns for service lifecycle management, WSGI application serving, SSL configuration, and periodic task execution. The package is built on top of eventlet and greenlet for concurrent request handling, and integrates with oslo.config, oslo.log, and other oslo.* libraries for configuration and logging.

Typically used within OpenStack deployments or applications that adopt OpenStack service patterns. It handles service startup, shutdown, signal handling, and systemd integration out of the box. The framework reduces boilerplate for developers building daemon-style applications that need robust lifecycle management and standard operational interfaces.

Use it for:

- Building OpenStack-compatible microservices with standardized lifecycle and configuration patterns.
- Running WSGI applications with eventlet-based concurrency and SSL/TLS termination.
- Implementing periodic background tasks within a long-running service using oslo.service's scheduler.
- Integrating with systemd for service management, logging, and signal handling in production deployments.
- Creating multi-worker services that need coordinated startup, graceful shutdown, and health monitoring.

## Worth the install?

AI-flagged interpretation of the facts above — verify before relying.

oslo.service provides a framework for building and running long-running OpenStack services, with utilities for SSL, WSGI, periodic operations, and systemd integration.

Yes, if you are building OpenStack services or adopting its service patterns. The framework is actively maintained, has low install friction, and carries no known vulnerabilities. The permissive Apache license poses no restrictions. Install only if your application aligns with OpenStack conventions; the 13 dependencies and eventlet-based concurrency model are not a fit for all use cases.

## Install

pip install oslo-service
uv add oslo-service
poetry add oslo-service

## Installing oslo.service

Before you install: Low install friction with a pure-Python wheel distribution. Actively maintained as of 14 days ago. Requires Python 3.11 or later and pulls in 13 runtime dependencies, primarily from the oslo.* ecosystem and web-serving libraries (eventlet, Routes, Paste).

License in practice: Licensed under Apache (permissive treatment), meaning you can use, modify, and distribute the package freely in commercial and private projects without copyleft obligations.

Quickstart:

pip install oslo.service

from oslo_service import service
from oslo_service import wsgi

# Create and run a WSGI service
app = wsgi.Loader().load_app('myapp')
server = wsgi.Server(CONF, 'myapp', app)
server.start()

Requires Python 3.11 or later; eventlet and greenlet are runtime dependencies that enable concurrent request handling.

Verify before relying:

- Whether the package's 13 dependencies (eventlet, Routes, Paste, etc.) are all actively maintained and secure.
- Performance characteristics and scalability limits for high-concurrency workloads.
- Compatibility with non-OpenStack applications or whether it is tightly coupled to OpenStack patterns.

## Package facts

- License: not declared (permissive)
- Python support: supports_current
- Install friction: low
- Maintenance: active
- Downloads: 439.1K/month (top 15,000 on PyPI)
- Known vulnerabilities: none known

## Tags

openstack service framework, long-running service patterns, wsgi service utilities, periodic task scheduling, systemd integration library, ssl service management, openstack application framework, openstack, service-framework, wsgi

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