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ansible/library/packaging/zypper
Michael DeHaan fb13e2bf2e Merge pull request #8853 from kvar/devel 
zypper: handle lists of packages efficiently
2014-09-11 17:30:21 -04:00

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Python
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#!/usr/bin/python -tt
# -*- coding: utf-8 -*-
# (c) 2013, Patrick Callahan <pmc@patrickcallahan.com>
# based on
# openbsd_pkg
# (c) 2013
# Patrik Lundin <patrik.lundin.swe@gmail.com>
#
# yum
# (c) 2012, Red Hat, Inc
# Written by Seth Vidal <skvidal at fedoraproject.org>
#
# 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/>.
import re
DOCUMENTATION = '''
---
module: zypper
author: Patrick Callahan
version_added: "1.2"
short_description: Manage packages on SuSE and openSuSE
description:
- Manage packages on SuSE and openSuSE using the zypper and rpm tools.
options:
name:
description:
- package name or package specifier wth version C(name) or C(name-1.0).
required: true
aliases: [ 'pkg' ]
state:
description:
- C(present) will make sure the package is installed.
C(latest) will make sure the latest version of the package is installed.
C(absent) will make sure the specified package is not installed.
required: false
choices: [ present, latest, absent ]
default: "present"
disable_gpg_check:
description:
- Whether to disable to GPG signature checking of the package
signature being installed. Has an effect only if state is
I(present) or I(latest).
required: false
default: "no"
choices: [ "yes", "no" ]
aliases: []
disable_recommends:
version_added: "1.8"
description:
- Corresponds to the C(--no-recommends) option for I(zypper). Default behavior (C(yes)) modifies zypper's default behavior; C(no) does install recommended packages.
required: false
default: "yes"
choices: [ "yes", "no" ]
notes: []
# informational: requirements for nodes
requirements: [ zypper, rpm ]
author: Patrick Callahan
'''
EXAMPLES = '''
# Install "nmap"
- zypper: name=nmap state=present
# Install apache2 with recommended packages
- zypper: name=apache2 state=present disable_recommends=no
# Remove the "nmap" package
- zypper: name=nmap state=absent
'''
# Function used for getting versions of currently installed packages.
def get_current_version(m, name):
cmd = ['/bin/rpm', '-q', '--qf', '%{NAME} %{VERSION}-%{RELEASE}\n']
cmd.extend(name)
(rc, stdout, stderr) = m.run_command(cmd)
current_version = {}
rpmoutput_re = re.compile('^(\S+) (\S+)$')
for stdoutline, package in zip(stdout.splitlines(), name):
m = rpmoutput_re.match(stdoutline)
if m == None:
return None
rpmpackage = m.group(1)
rpmversion = m.group(2)
if package != rpmpackage:
return None
current_version[package] = rpmversion
return current_version
# Function used to find out if a package is currently installed.
def get_package_state(m, packages):
cmd = ['/bin/rpm', '--query', '--qf', 'package %{NAME} is installed\n']
cmd.extend(packages)
rc, stdout, stderr = m.run_command(cmd, check_rc=False)
installed_state = {}
rpmoutput_re = re.compile('^package (\S+) (.*)$')
for stdoutline, name in zip(stdout.splitlines(), packages):
m = rpmoutput_re.match(stdoutline)
if m == None:
return None
package = m.group(1)
result = m.group(2)
if not name.startswith(package):
print name + ':' + package + ':' + stdoutline + '\n'
return None
if result == 'is installed':
installed_state[name] = True
else:
installed_state[name] = False
return installed_state
# Function used to make sure a package is present.
def package_present(m, name, installed_state, disable_gpg_check, disable_recommends):
packages = []
for package in name:
if installed_state[package] is False:
packages.append(package)
if len(packages) != 0:
cmd = ['/usr/bin/zypper', '--non-interactive']
# add global options before zypper command
if disable_gpg_check:
cmd.append('--no-gpg-check')
cmd.extend(['install', '--auto-agree-with-licenses'])
# add install parameter
if disable_recommends:
cmd.append('--no-recommends')
cmd.extend(packages)
rc, stdout, stderr = m.run_command(cmd, check_rc=False)
if rc == 0:
changed=True
else:
changed=False
else:
rc = 0
stdout = ''
stderr = ''
changed=False
return (rc, stdout, stderr, changed)
# Function used to make sure a package is the latest available version.
def package_latest(m, name, installed_state, disable_gpg_check, disable_recommends):
# first of all, make sure all the packages are installed
(rc, stdout, stderr, changed) = package_present(m, name, installed_state, disable_gpg_check)
# if we've already made a change, we don't have to check whether a version changed
if not changed:
pre_upgrade_versions = get_current_version(m, name)
cmd = ['/usr/bin/zypper', '--non-interactive', 'update', '--auto-agree-with-licenses']
cmd.extend(name)
rc, stdout, stderr = m.run_command(cmd, check_rc=False)
# if we've already made a change, we don't have to check whether a version changed
if not changed:
post_upgrade_versions = get_current_version(m, name)
if pre_upgrade_versions != post_upgrade_versions:
changed = True
return (rc, stdout, stderr, changed)
# Function used to make sure a package is not installed.
def package_absent(m, name, installed_state):
packages = []
for package in name:
if installed_state[package] is True:
packages.append(package)
if len(packages) != 0:
cmd = ['/usr/bin/zypper', '--non-interactive', 'remove']
cmd.extend(packages)
rc, stdout, stderr = m.run_command(cmd)
if rc == 0:
changed=True
else:
changed=False
else:
rc = 0
stdout = ''
stderr = ''
changed=False
return (rc, stdout, stderr, changed)
# ===========================================
# Main control flow
def main():
module = AnsibleModule(
argument_spec = dict(
name = dict(required=True, aliases=['pkg'], type='list'),
state = dict(required=False, default='present', choices=['absent', 'installed', 'latest', 'present', 'removed']),
disable_gpg_check = dict(required=False, default='no', type='bool'),
disable_recommends = dict(required=False, default='yes', type='bool'),
),
supports_check_mode = False
)
params = module.params
name = params['name']
state = params['state']
disable_gpg_check = params['disable_gpg_check']
disable_recommends = params['disable_recommends']
rc = 0
stdout = ''
stderr = ''
result = {}
result['name'] = name
result['state'] = state
# Get package state
installed_state = get_package_state(module, name)
# Perform requested action
if state in ['installed', 'present']:
(rc, stdout, stderr, changed) = package_present(module, name, installed_state, disable_gpg_check, disable_recommends)
elif state in ['absent', 'removed']:
(rc, stdout, stderr, changed) = package_absent(module, name, installed_state)
elif state == 'latest':
(rc, stdout, stderr, changed) = package_latest(module, name, installed_state, disable_gpg_check, disable_recommends)
if rc != 0:
if stderr:
module.fail_json(msg=stderr)
else:
module.fail_json(msg=stdout)
result['changed'] = changed
module.exit_json(**result)
# import module snippets
from ansible.module_utils.basic import *
main()
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