oslo.privsep
OpenStack library for privilege separation
Decision gist · record as of 2026-08-14
Yes, if you are building OpenStack services or applications that need structured privilege separation. The library is actively maintained, has no known vulnerabilities, and integrates well with the OpenStack ecosystem. Not relevant for applications that don't require privilege transitions or that run entirely unprivileged.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.11 or later.
- Privilege separation typically requires appropriate system permissions (sudo, rootwrap, or similar) to be configured on the host system.
- Low install friction with a pure-Python wheel distribution.
License · maintenance · safety
Apache-2.0 (permissive) — Licensed under Apache-2.0 (permissive). Safe for commercial and proprietary use with minimal obligations beyond attribution and license inclusion.
last release 2026-07-10 (35 days)
0 known vulnerabilities (OSV.dev, 2026-08-14) · 157,256 downloads/mo, #10,761 on PyPI
Alternatives
Verify before relying
pip install oslo.privsep
from oslo_privsep import priv_context
# Define a privileged context
priv_context.init(helper_command=['sudo', 'oslo-rootwrap', '/etc/oslo-rootwrap.conf'])
# Use it to execute privileged operations
result = priv_context.client_mode(True).execute_privileged_operation()- Whether the library requires specific Linux kernel features or capabilities for privilege separation to function
- Performance overhead of the privilege separation mechanism in typical workloads
- Compatibility with containerized or sandboxed environments (Docker, systemd-nspawn, etc.)
What it is and what it does
oslo.privsep is an OpenStack library that implements privilege separation—a security pattern where code requiring elevated permissions runs in a separate process or context from the main application. This follows the principle of least privilege, reducing the attack surface by ensuring that only the minimal code paths that actually need root or special capabilities run with those permissions.
The library provides a framework to define and manage privilege boundaries, handle inter-process communication safely, and coordinate privilege transitions. It's designed for OpenStack services and other applications that need to perform operations like network configuration, system administration, or filesystem access that typically require elevated privileges, while keeping the bulk of the application logic running unprivileged.
Use it for
- OpenStack services that need to perform privileged system operations (network setup, file permissions) while running the main logic unprivileged
- Applications requiring root-only operations (like binding to low-numbered ports or modifying system configuration) isolated from untrusted user input
- Multi-tenant systems where privilege separation reduces the blast radius of a compromise in one tenant's code
- Services that need to drop privileges after initialization but retain the ability to perform specific privileged tasks on demand
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building OpenStack services or applications that need structured privilege separation.
The library is actively maintained, has no known vulnerabilities, and integrates well with the OpenStack ecosystem. Not relevant for applications that don't require privilege transitions or that run entirely unprivileged.
Install
oslo-privsep on PyPI
Before you install
Low install friction with a pure-Python wheel distribution. Active maintenance with a recent release 35 days ago. Depends on established OpenStack libraries (oslo.log, oslo.config, oslo.utils, oslo.i18n) plus cffi, msgpack, and debtcollector—all stable, widely-used packages.
Requires Python 3.11 or later. Privilege separation typically requires appropriate system permissions (sudo, rootwrap, or similar) to be configured on the host system.
License in practice
Licensed under Apache-2.0 (permissive). Safe for commercial and proprietary use with minimal obligations beyond attribution and license inclusion.
Quickstart
pip install oslo.privsep
from oslo_privsep import priv_context
# Define a privileged context
priv_context.init(helper_command=['sudo', 'oslo-rootwrap', '/etc/oslo-rootwrap.conf'])
# Use it to execute privileged operations
result = priv_context.client_mode(True).execute_privileged_operation()Verify before relying
- Whether the library requires specific Linux kernel features or capabilities for privilege separation to function
- Performance overhead of the privilege separation mechanism in typical workloads
- Compatibility with containerized or sandboxed environments (Docker, systemd-nspawn, etc.)
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.11 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 7 packagesoslo.logoslo.i18noslo.configoslo.utilscffimsgpackdebtcollector |
| Maintenance | Actively maintained 35 days since the last release |
| First released | |
| Downloads | 157,256 / month, #10,761 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Environment :: OpenStackIntended Audience :: Information TechnologyIntended Audience :: System AdministratorsOperating System :: POSIX :: LinuxProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: Implementation :: CPythonTyping :: Typed |
Evidence: oslo_privsep-3.12.0-py3-none-any.whl
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Install only if maintaining existing code that already depends on it, and plan a migration.
See also oslo.rootwrap · oslo.policy · oslo.limit · oslo.concurrency · oslo.vmware · oslo.service · elevate · oslo.log · oslo.utils · oslo.config