ansible/library/pacman
2013-02-23 22:57:36 +01:00

161 lines
4.3 KiB
Python
Executable file

#!/usr/bin/python -tt
# -*- coding: utf-8 -*-
# (c) 2012, Afterburn
# Written by Afterburn <http://github.com/afterburn>
# Based on apt module written by Matthew Williams <matthew@flowroute.com>
#
# This module 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.
#
# This software 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 this software. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
module: pacman
short_description: Package manager for Archlinux
description:
- Manages Archlinux packages
version_added: "1.0"
options:
name:
description:
- name of package to install/remove
required: true
state:
description:
- state of the package installed or absent.
required: false
update_cache:
description:
- update the package db first (pacman -Syy)
required: false
author: Afterburn
notes: []
examples:
- code: "pacman: name=foo state=installed"
description: install package foo
- code: "pacman: name=foo state=absent"
description: remove package foo
- code: "pacman: name=foo,bar state=absent"
description: remove packages foo and bar
- code: "pacman: name=bar, state=installed, update_cache=yes"
description: update the package db (pacman -Syy) then install bar (bar will be the updated if a newer version exists)
'''
import json
import shlex
import os
import sys
PACMAN_PATH = "/usr/bin/pacman"
def query_package(module, name, state="installed"):
# pacman -Q returns 0 if the package is installed,
# 1 if it is not installed
if state == "installed":
rc = os.system("pacman -Q %s" % (name))
if rc == 0:
return True
return False
def update_package_db(module):
rc = os.system("pacman -Syy")
if rc != 0:
module.fail_json(msg="could not update package db")
def remove_packages(module, packages):
remove_c = 0
# Using a for loop incase of error, we can report the package that failed
for package in packages:
# Query the package first, to see if we even need to remove
if not query_package(module, package):
continue
rc = os.system("pacman -R %s --noconfirm" % (package))
if rc != 0:
module.fail_json(msg="failed to remove %s" % (package))
remove_c += 1
if remove_c > 0:
module.exit_json(changed=True, msg="removed %s package(s)" % remove_c)
module.exit_json(changed=False, msg="package(s) already absent")
def install_packages(module, packages):
install_c = 0
for package in packages:
if query_package(module, package):
continue
rc = os.system("pacman -S %s --noconfirm" % (package))
if rc != 0:
module.fail_json(msg="failed to install %s" % (package))
install_c += 1
if install_c > 0:
module.exit_json(changed=True, msg="installed %s package(s)" % (install_c))
module.exit_json(changed=False, msg="package(s) already installed")
def main():
module = AnsibleModule(
argument_spec = dict(
state = dict(default="installed", choices=["installed","absent"]),
update_cache = dict(default="no", aliases=["update-cache"], type='bool'),
name = dict(aliases=["pkg"], required=True)))
if not os.path.exists(PACMAN_PATH):
module.fail_json(msg="cannot find pacman, looking for %s" % (PACMAN_PATH))
p = module.params
if p["update_cache"]:
update_package_db(module)
pkgs = p["name"].split(",")
if p["state"] == "installed":
install_packages(module, pkgs)
elif p["state"] == "absent":
remove_packages(module, pkgs)
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()