# Copyright (C) 2013 Red Hat, Inc.
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
import logging
import os
import sys
import time
import traceback
import unittest
from tests import utils
from virtinst import Guest
from virtinst import urlfetcher
from virtinst import util
from virtinst.urlfetcher import ALTLinuxDistro
from virtinst.urlfetcher import CentOSDistro
from virtinst.urlfetcher import DebianDistro
from virtinst.urlfetcher import FedoraDistro
from virtinst.urlfetcher import GenericDistro
from virtinst.urlfetcher import MandrivaDistro
from virtinst.urlfetcher import RHELDistro
from virtinst.urlfetcher import SLDistro
from virtinst.urlfetcher import SuseDistro
from virtinst.urlfetcher import UbuntuDistro
class _DistroURL(object):
def __init__(self, name, url, detectdistro,
testxen, testbootiso, testshortcircuit):
self.name = name
self.url = url
self.detectdistro = detectdistro
self.arch = self._find_arch()
self.distroclass = self._distroclass_for_name(self.name)
self.testxen = testxen
self.testbootiso = testbootiso
# If True, pass in the expected distro value to getDistroStore
# so it can short circuit the lookup checks. Speeds up the tests
# and exercises the shortcircuit infrastructure
self.testshortcircuit = testshortcircuit
def _distroclass_for_name(self, name):
# Map the test case name to the expected urlfetcher distro
# class we should be detecting
if "fedora" in name:
return FedoraDistro
if "centos" in name:
return CentOSDistro
if "rhel" in name:
return RHELDistro
if "suse" in name:
return SuseDistro
if "debian" in name:
return DebianDistro
if name.startswith("sl-"):
return SLDistro
if "ubuntu" in name:
return UbuntuDistro
if "mageia" in name:
return MandrivaDistro
if "altlinux" in name:
return ALTLinuxDistro
if "generic" in name:
return GenericDistro
raise RuntimeError("name=%s didn't map to any distro class. Extend "
"_distroclass_for_name" % name)
def _find_arch(self):
if ("i686" in self.url or
"i386" in self.url or
"i586" in self.url):
return "i686"
if ("arm64" in self.url or
"aarch64" in self.url):
return "aarch64"
if ("ppc64el" in self.url or
"ppc64le" in self.url):
return "ppc64le"
if "s390" in self.url:
return "s390x"
if ("x86_64" in self.url or
"amd64" in self.url):
return "x86_64"
return "x86_64"
testconn = utils.open_testdefault()
hvmguest = Guest(testconn)
hvmguest.os.os_type = "hvm"
xenguest = Guest(testconn)
xenguest.os.os_type = "xen"
meter = util.make_meter(quiet=not utils.get_debug())
def _storeForDistro(fetcher, guest):
"""
Helper to lookup the Distro store object, basically detecting the
URL. Handle occasional proxy errors
"""
for ignore in range(0, 10):
try:
return urlfetcher.getDistroStore(guest, fetcher)
except Exception as e:
if str(e).count("502"):
logging.debug("Caught proxy error: %s", str(e))
time.sleep(.5)
continue
raise
raise # pylint: disable=misplaced-bare-raise
def _testURL(fetcher, distroobj):
"""
Test that our URL detection logic works for grabbing kernel, xen
kernel, and boot.iso
"""
distname = distroobj.name
arch = distroobj.arch
hvmguest.os.arch = arch
xenguest.os.arch = arch
if distroobj.testshortcircuit:
hvmguest.os_variant = distroobj.detectdistro
xenguest.os_variant = distroobj.detectdistro
else:
hvmguest.os_variant = None
xenguest.os_variant = None
try:
hvmstore = _storeForDistro(fetcher, hvmguest)
xenstore = None
if distroobj.testxen:
xenstore = _storeForDistro(fetcher, xenguest)
except Exception:
raise AssertionError("\nFailed to detect URLDistro class:\n"
"name = %s\n"
"url = %s\n\n%s" %
(distname, fetcher.location, "".join(traceback.format_exc())))
for s in [hvmstore, xenstore]:
if (s and distroobj.distroclass and
not isinstance(s, distroobj.distroclass)):
raise AssertionError("Unexpected URLDistro class:\n"
"found = %s\n"
"expect = %s\n"
"name = %s\n"
"url = %s" %
(s.__class__, distroobj.distroclass, distname,
fetcher.location))
# Make sure the stores are reporting correct distro name/variant
if (s and distroobj.detectdistro and
distroobj.detectdistro != s.get_osdict_info()):
raise AssertionError(
"Detected OS did not match expected values:\n"
"found = %s\n"
"expect = %s\n"
"name = %s\n"
"url = %s\n"
"store = %s" %
(s.os_variant, distroobj.detectdistro,
distname, fetcher.location, distroobj.distroclass))
# Do this only after the distro detection, since we actually need
# to fetch files for that part
def fakeAcquireFile(filename):
logging.debug("Fake acquiring %s", filename)
return fetcher.hasFile(filename)
fetcher.acquireFile = fakeAcquireFile
# Fetch boot iso
if distroobj.testbootiso:
boot = hvmstore.acquireBootDisk(hvmguest)
logging.debug("acquireBootDisk: %s", str(boot))
if boot is not True:
raise AssertionError("%s-%s: bootiso fetching failed" %
(distname, arch))
# Fetch regular kernel
kern = hvmstore.acquireKernel(hvmguest)
logging.debug("acquireKernel (hvm): %s", str(kern))
if kern[0] is not True or kern[1] is not True:
AssertionError("%s-%s: hvm kernel fetching failed" %
(distname, arch))
# Fetch xen kernel
if xenstore:
kern = xenstore.acquireKernel(xenguest)
logging.debug("acquireKernel (xen): %s", str(kern))
if kern[0] is not True or kern[1] is not True:
raise AssertionError("%s-%s: xen kernel fetching" %
(distname, arch))
def _testURLWrapper(distroobj):
os.environ.pop("VIRTINST_TEST_SUITE", None)
logging.debug("Testing for media arch=%s distroclass=%s",
distroobj.arch, distroobj.distroclass)
sys.stdout.write("\nTesting %-25s " % distroobj.name)
sys.stdout.flush()
fetcher = urlfetcher.fetcherForURI(distroobj.url, "/tmp", meter)
try:
fetcher.prepareLocation()
return _testURL(fetcher, distroobj)
finally:
fetcher.cleanupLocation()
# Register tests to be picked up by unittest
class URLTests(unittest.TestCase):
pass
def _make_tests():
import ConfigParser
cfg = ConfigParser.ConfigParser()
cfg.read("tests/test_urls.ini")
manualpath = "tests/test_urls_manual.ini"
cfg.read(manualpath)
if not os.path.exists(manualpath):
print("NOTE: Pass in manual data with %s" % manualpath)
urls = {}
for name in cfg.sections():
vals = dict(cfg.items(name))
d = _DistroURL(name, vals["url"],
vals.get("distro", None),
vals.get("testxen", "0") == "1",
vals.get("testbootiso", "0") == "1",
vals.get("testshortcircuit", "0") == "1")
urls[d.name] = d
keys = urls.keys()
keys.sort()
for key in keys:
distroobj = urls[key]
def _make_wrapper(d):
return lambda _self: _testURLWrapper(d)
setattr(URLTests, "testURL%s" % key.replace("-", "_"),
_make_wrapper(distroobj))
_make_tests()