system-config/playbooks/module_utils/facts/system/pkg_mgr.py

146 lines
6.3 KiB
Python

# Collect facts related to the system package manager
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import os
import subprocess
from ansible.module_utils.facts.collector import BaseFactCollector
# A list of dicts. If there is a platform with more than one
# package manager, put the preferred one last. If there is an
# ansible module, use that as the value for the 'name' key.
PKG_MGRS = [{'path': '/usr/bin/yum', 'name': 'yum'},
{'path': '/usr/bin/dnf', 'name': 'dnf'},
{'path': '/usr/bin/apt-get', 'name': 'apt'},
{'path': '/usr/bin/zypper', 'name': 'zypper'},
{'path': '/usr/sbin/urpmi', 'name': 'urpmi'},
{'path': '/usr/bin/pacman', 'name': 'pacman'},
{'path': '/bin/opkg', 'name': 'opkg'},
{'path': '/usr/pkg/bin/pkgin', 'name': 'pkgin'},
{'path': '/opt/local/bin/pkgin', 'name': 'pkgin'},
{'path': '/opt/tools/bin/pkgin', 'name': 'pkgin'},
{'path': '/opt/local/bin/port', 'name': 'macports'},
{'path': '/usr/local/bin/brew', 'name': 'homebrew'},
{'path': '/sbin/apk', 'name': 'apk'},
{'path': '/usr/sbin/pkg', 'name': 'pkgng'},
{'path': '/usr/sbin/swlist', 'name': 'HP-UX'},
{'path': '/usr/bin/emerge', 'name': 'portage'},
{'path': '/usr/sbin/pkgadd', 'name': 'svr4pkg'},
{'path': '/usr/bin/pkg', 'name': 'pkg5'},
{'path': '/usr/bin/xbps-install', 'name': 'xbps'},
{'path': '/usr/local/sbin/pkg', 'name': 'pkgng'},
{'path': '/usr/bin/swupd', 'name': 'swupd'},
{'path': '/usr/sbin/sorcery', 'name': 'sorcery'},
{'path': '/usr/bin/rpm-ostree', 'name': 'atomic_container'},
]
class OpenBSDPkgMgrFactCollector(BaseFactCollector):
name = 'pkg_mgr'
_fact_ids = set()
_platform = 'OpenBSD'
def collect(self, module=None, collected_facts=None):
facts_dict = {}
facts_dict['pkg_mgr'] = 'openbsd_pkg'
return facts_dict
# the fact ends up being 'pkg_mgr' so stick with that naming/spelling
class PkgMgrFactCollector(BaseFactCollector):
name = 'pkg_mgr'
_fact_ids = set()
_platform = 'Generic'
required_facts = set(['distribution'])
def _check_rh_versions(self, pkg_mgr_name, collected_facts):
if collected_facts['ansible_distribution'] == 'Fedora':
try:
if int(collected_facts['ansible_distribution_major_version']) < 23:
for yum in [pkg_mgr for pkg_mgr in PKG_MGRS if pkg_mgr['name'] == 'yum']:
if os.path.exists(yum['path']):
pkg_mgr_name = 'yum'
break
else:
for dnf in [pkg_mgr for pkg_mgr in PKG_MGRS if pkg_mgr['name'] == 'dnf']:
if os.path.exists(dnf['path']):
pkg_mgr_name = 'dnf'
break
except ValueError:
# If there's some new magical Fedora version in the future,
# just default to dnf
pkg_mgr_name = 'dnf'
return pkg_mgr_name
def _check_apt_flavor(self, pkg_mgr_name):
# Check if '/usr/bin/apt' is APT-RPM or an ordinary (dpkg-based) APT.
# There's rpm package on Debian, so checking if /usr/bin/rpm exists
# is not enough. Instead ask RPM if /usr/bin/apt-get belongs to some
# RPM package.
rpm_query = '/usr/bin/rpm -q --whatprovides /usr/bin/apt-get'.split()
if os.path.exists('/usr/bin/rpm'):
with open(os.devnull, 'w') as null:
try:
subprocess.check_call(rpm_query, stdout=null, stderr=null)
pkg_mgr_name = 'apt_rpm'
except subprocess.CalledProcessError:
# No apt-get in RPM database. Looks like Debian/Ubuntu
# with rpm package installed
pkg_mgr_name = 'apt'
return pkg_mgr_name
def collect(self, module=None, collected_facts=None):
facts_dict = {}
collected_facts = collected_facts or {}
pkg_mgr_name = 'unknown'
for pkg in PKG_MGRS:
if os.path.exists(pkg['path']):
pkg_mgr_name = pkg['name']
# Handle distro family defaults when more than one package manager is
# installed, the ansible_fact entry should be the default package
# manager provided by the distro.
if collected_facts['ansible_os_family'] == "RedHat":
if pkg_mgr_name not in ('yum', 'dnf'):
pkg_mgr_name = self._check_rh_versions(pkg_mgr_name, collected_facts)
elif collected_facts['ansible_os_family'] == 'Altlinux':
if pkg_mgr_name == 'apt':
pkg_mgr_name = 'apt_rpm'
elif collected_facts['ansible_os_family'] == 'Debian' and pkg_mgr_name != 'apt':
# It's possible to install yum, dnf, zypper, rpm, etc inside of
# Debian. Doing so does not mean the system wants to use them.
pkg_mgr_name = 'apt'
# Check if /usr/bin/apt-get is ordinary (dpkg-based) APT or APT-RPM
if pkg_mgr_name == 'apt':
pkg_mgr_name = self._check_apt_flavor(pkg_mgr_name)
# pacman has become available by distros other than those that are Arch
# based by virtue of a dependency to the systemd mkosi project, this
# handles some of those scenarios as they are reported/requested
if pkg_mgr_name == 'pacman' and collected_facts['ansible_os_family'] in ["RedHat"]:
pkg_mgr_name = self._check_rh_versions(collected_facts)
facts_dict['pkg_mgr'] = pkg_mgr_name
return facts_dict