diff --git a/library/pacman b/library/pacman new file mode 100755 index 00000000000..1d703a840ea --- /dev/null +++ b/library/pacman @@ -0,0 +1,174 @@ +#!/usr/bin/python -tt +# -*- coding: utf-8 -*- + +# (c) 2012, Afterburn +# Written by Afterburn +# Based on apt module written by Matthew Williams +# +# 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 . + + +DOCUMENTATION = ''' +--- +module: pacman +short_description: Package manager for Archlinux +description: + - Manages Archlinux packages + +version_added: "0.0.9" +options: + pkg: + description: + - Define the state of a package (install/remove) + required: true + +author: Afterburn +notes: [] +examples: + - code: "pacman: name=foo state=latest" + description: update package db and 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 (if installed) + +''' + + +import json +import shlex +import os +import sys + +PACMAN_PATH = "/usr/bin/pacman" + +def query_package(module, name, state="installed"): + + # query_package returns True if the package does not + # need to be installed/upgraded. Otherwise it returns + # False + + + # 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 + + + # pacman -Qu return 0 if update is needed + # otherwise it returns 1 + rc = os.system("pacman -Qu %s" % (name)) + + if rc == 1: + 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=["latest", + "installed", + "absent"]), + name = dict(default=None, aliases=["pkg"]))) + + + if not os.path.exists(PACMAN_PATH): + module.fail_json(msg="cannot find pacman, looking for %s" % (PACMAN_PATH)) + + p = module.params + + + if p["name"] == None: + module.fail_json(msg="no packages specified") + + pkgs = p["name"].split(",") + + if p["state"] == "installed": + install_packages(module, pkgs) + + # To have the packages at "latest" we need + # to update the package db first + elif p["state"] == "latest": + update_package_db(module) + install_packages(module, pkgs) + + elif p["state"] == "absent": + remove_packages(module, pkgs) + +# this is magic, see lib/ansible/module_common.py +#<> + +main()