charm-glance-simplestreams-.../charmhelpers/osplatform.py
James Page b4c1a90f4d
Sync/rebuild for Dalmatian/Epoxy updates
Refresh and rebuild charm for awareness of Dalmatian and Epoxy
Cloud Archive releases.

Change-Id: Ibe82622b94eeb581fae782d5544fd5e98a3f74fe
2024-11-15 12:14:23 +00:00

62 lines
2.1 KiB
Python

import platform
import os
def get_platform():
"""Return the current OS platform.
For example: if current os platform is Ubuntu then a string "ubuntu"
will be returned (which is the name of the module).
This string is used to decide which platform module should be imported.
"""
current_platform = _get_current_platform()
if "Ubuntu" in current_platform:
return "ubuntu"
elif "CentOS" in current_platform:
return "centos"
elif "debian" in current_platform or "Debian" in current_platform:
# Stock Python does not detect Ubuntu and instead returns debian.
# Or at least it does in some build environments like Travis CI
return "ubuntu"
elif "elementary" in current_platform:
# ElementaryOS fails to run tests locally without this.
return "ubuntu"
elif "Pop!_OS" in current_platform:
# Pop!_OS also fails to run tests locally without this.
return "ubuntu"
else:
raise RuntimeError("This module is not supported on {}."
.format(current_platform))
def _get_current_platform():
"""Return the current platform information for the OS.
Attempts to lookup linux distribution information from the platform
module for releases of python < 3.7. For newer versions of python,
the platform is determined from the /etc/os-release file.
"""
# linux_distribution is deprecated and will be removed in Python 3.7
# Warnings *not* disabled, as we certainly need to fix this.
if hasattr(platform, 'linux_distribution'):
tuple_platform = platform.linux_distribution()
current_platform = tuple_platform[0]
else:
current_platform = _get_platform_from_fs()
return current_platform
def _get_platform_from_fs():
"""Get Platform from /etc/os-release."""
with open(os.path.join(os.sep, 'etc', 'os-release')) as fin:
content = dict(
line.split('=', 1)
for line in fin.read().splitlines()
if '=' in line
)
for k, v in content.items():
content[k] = v.strip('"')
return content["NAME"]