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#!/usr/bin/python
# -*- Coding:utf-8 -*-
#
# Copyright (C) 2012-2013 Red Hat, Inc. All rights reserved.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details. #
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Authors: Radek Novacek <rnovacek@redhat.com>
# Authors: Michal Minar <miminar@redhat.com>
# Authors: Jan Grec <jgrec@redhat.com>
"""
Common test utilities.
"""
import platform
import pywbem
import re
from subprocess import call, check_output
RE_NEVRA = re.compile(
r'^(?P<name>[^\s]+)-(?P<evra>(?P<epoch>\d+):(?P<ver>[^-\s]+)'
r'-(?P<rel>[^\s]+)\.(?P<arch>[^.\s]+))$')
RE_NEVRA_OPT_EPOCH = re.compile(
r'^(?P<name>[^\s]+)-(?P<evra>((?P<epoch>\d+):)?(?P<ver>[^-\s]+)'
r'-(?P<rel>[^\s]+)\.(?P<arch>[^.\s]+))$')
RE_ENVRA = re.compile(
r'^(?P<epoch>\d+|\(none\)):(?P<name>[^\s]+)-(?P<ver>[^-\s]+)'
r'-(?P<rel>[^\s]+)\.(?P<arch>[^.\s]+)$')
RE_REPO = re.compile(
r'(?:^\*?)(?P<name>[^\s/]+\b)(?!\s+id)', re.MULTILINE | re.IGNORECASE)
DEV_NULL = open('/dev/null', 'w')
def make_nevra(name, epoch, ver, rel, arch, with_epoch='NOT_ZERO'):
"""
@param with_epoch may be one of:
"NOT_ZERO" - include epoch only if it's not zero
"ALWAYS" - include epoch always
"NEVER" - do not include epoch at all
"""
estr = ''
if with_epoch.lower() == "always":
estr = str(epoch)
elif with_epoch.lower() == "not_zero":
if epoch and str(epoch).lower() not in {"0", "(none)"}:
estr = str(epoch)
if len(estr):
estr += ":"
return "%s-%s%s-%s.%s" % (name, estr, ver, rel, arch)
def make_evra(epoch, ver, rel, arch):
""" @return evra string """
if not epoch or str(epoch).lower() == "(none)":
epoch = "0"
return "%s:%s-%s.%s" % (epoch, ver, rel, arch)
def run_yum(*params, **kwargs):
"""
Runs yum with params and returns its output
It's here especially to allow pass a repolist argument, that
specifies list of repositories, to run the command on.
"""
cmd = ['yum'] + list(params)
repolist = kwargs.get('repolist', None)
if repolist is None:
repolist = []
if repolist:
cmd += ['--disablerepo=*']
cmd += ['--enablerepo='+r for r in repolist]
return check_output(cmd)
def get_repo_list():
"""
@return list of software repository names
"""
repos_str = check_output(['yum', 'repolist', '-q'])
return RE_REPO.findall(repos_str)
def get_system_architecture():
"""
@return the system architecture name as seen by rpm
"""
return check_output(['rpm', '-q', '--qf', '%{ARCH}\n', 'rpm'])
def verify_pkg(name):
"""
@return True, if package is installed and passes rpm verification check
"""
return call(["rpm", "--quiet", "-Va", name]) == 0
def is_config_file(pkg, file_path):
"""
@return True, if file_path is a configuration file of package pkg.
"""
cmd = ['rpm', '-qc', pkg.name]
out = check_output(cmd)
return file_path in set(out.splitlines()) #pylint: disable=E1103
def is_doc_file(pkg, file_path):
"""
@return True, if file_path is a documentation file of package pkg.
"""
cmd = ['rpm', '-qd', pkg.name]
out = check_output(cmd)
return file_path in set(out.splitlines()) #pylint: disable=E1103
def make_identity_path(pkg, newer=True):
"""
Make instance name for LMI_SoftwareIdentity from Package.
"""
return pywbem.CIMInstanceName(
classname="LMI_SoftwareIdentity",
namespace="root/cimv2",
keybindings=pywbem.NocaseDict({
"InstanceID" : "LMI:LMI_SoftwareIdentity:%s" % pkg.get_nevra(
newer=newer)
}))
def get_target_operating_system():
"""
:returns: integer corresponding for TargetOperatingProperty of CIM_Check
for this system
"""
target_operating_system = 36 # LINUX
if hasattr(platform, 'linux_distribution') and \
platform.linux_distribution(
full_distribution_name=False)[0].lower() == 'redhat':
target_operating_system = 79 # RHEL
if platform.uname()[4].lower() == 'x86_64':
target_operating_system = 80 # RHEL 64bit
return pywbem.Uint16(target_operating_system)
def get_installed_packages():
"""
:returns: list of packages in format: ``NAME-EPOCH:VERSION-RELEASE.ARCH``
"""
output = check_output(
[ "/usr/bin/rpm", "-qa", "--qf"
, "%{NAME}-%{EPOCH}:%{VERSION}-%{RELEASE}.%{ARCH}\n"],
stderr=DEV_NULL).split()
package_list = []
for package in output:
# Skip all gpg public keys returned by rpm -qa
if "gpg-pubkey" not in package:
package_list.append(package.replace("(none)", "0"))
return package_list
def make_pkg_op(ns, pkg):
"""
:returns: Object path of ``LMI_SoftwareIdentity``
:rtype: :py:class:`lmi.shell.LMIInstanceName`
"""
if not isinstance(pkg, basestring):
nevra = pkg.nevra
else:
nevra = pkg
return ns.LMI_SoftwareIdentity.new_instance_name({
"InstanceID" : 'LMI:LMI_SoftwareIdentity:' + nevra
})
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