virt-manager/tests/utils.py

233 lines
7.0 KiB
Python

#
# 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 difflib
import os
import logging
import libvirt
import virtinst
import virtinst.cli
from virtinst import VirtualAudio
from virtinst import VirtualDisk
from virtinst import VirtualGraphics
from virtinst import VirtualVideoDevice
# pylint: disable=W0212
# Access to protected member, needed to unittest stuff
# Used to ensure consistent SDL xml output
os.environ["HOME"] = "/tmp"
os.environ["DISPLAY"] = ":3.4"
_cwd = os.getcwd()
scratch = os.path.join(_cwd, "tests", "testscratchdir")
_testuri = "test:///%s/tests/testdriver.xml" % _cwd
_fakeuri = "__virtinst_test__" + _testuri + ",predictable"
_remoteuri = "__virtinst_test__" + _testuri + ",remote"
_kvmcaps = "%s/tests/capabilities-xml/libvirt-0.7.6-qemu-caps.xml" % _cwd
_plainkvm = "%s,qemu" % _fakeuri
_plainxen = "%s,xen" % _fakeuri
_kvmuri = "%s,caps=%s" % (_plainkvm, _kvmcaps)
def get_debug():
return ("DEBUG_TESTS" in os.environ and
os.environ["DEBUG_TESTS"] == "1")
def _make_uri(base, connver=None, libver=None):
if connver:
base += ",connver=%s" % connver
if libver:
base += ",libver=%s" % libver
return base
def open_testdriver():
return virtinst.cli.getConnection(_testuri)
def open_testkvmdriver():
return virtinst.cli.getConnection(_kvmuri)
def open_plainkvm(connver=None, libver=None):
return virtinst.cli.getConnection(_make_uri(_plainkvm, connver, libver))
def open_plainxen(connver=None, libver=None):
return virtinst.cli.getConnection(_make_uri(_plainxen, connver, libver))
def open_test_remote():
return virtinst.cli.getConnection(_remoteuri)
_default_conn = open_testdriver()
_conn = None
def set_conn(newconn):
global _conn
_conn = newconn
def reset_conn():
set_conn(_default_conn)
def get_conn():
return _conn
reset_conn()
# Register libvirt handler
def libvirt_callback(ignore, err):
logging.warn("libvirt errmsg: %s", err[2])
libvirt.registerErrorHandler(f=libvirt_callback, ctx=None)
def sanitize_xml_for_define(xml):
# Libvirt throws errors since we are defining domain
# type='xen', when test driver can only handle type='test'
# Sanitize the XML so we can define
if not xml:
return xml
xml = xml.replace("\"", "'")
xml = xml.replace("<domain type='xen'>",
"<domain type='test'>")
xml = xml.replace("<domain type='qemu'>",
"<domain type='test'>")
xml = xml.replace("<domain type='kvm'>",
"<domain type='test'>")
xml = xml.replace(">linux<", ">xen<")
return xml
def test_create(testconn, xml):
xml = sanitize_xml_for_define(xml)
# try:
dom = testconn.defineXML(xml)
# except Exception, e:
# raise RuntimeError(str(e) + "\n" + xml)
try:
dom.create()
dom.destroy()
dom.undefine()
except:
try:
dom.destroy()
except:
pass
try:
dom.undefine()
except:
pass
def read_file(filename):
"""Helper function to read a files contents and return them"""
f = open(filename, "r")
out = f.read()
f.close()
return out
def diff_compare(actual_out, filename=None, expect_out=None):
"""Compare passed string output to contents of filename"""
if not expect_out:
expect_out = read_file(filename)
diff = "".join(difflib.unified_diff(expect_out.splitlines(1),
actual_out.splitlines(1),
fromfile=filename,
tofile="Generated Output"))
if diff:
raise AssertionError("Conversion outputs did not match.\n%s" % diff)
def get_basic_paravirt_guest(installer=None):
g = virtinst.Guest(conn=_conn, type="xen")
g.name = "TestGuest"
g.memory = int(200)
g.maxmemory = int(400)
g.uuid = "12345678-1234-1234-1234-123456789012"
g.add_device(VirtualGraphics("vnc", keymap="ja"))
g.vcpus = 5
if installer:
g.installer = installer
else:
instboot = getattr(g.installer, "_install_bootconfig")
instboot.kernel = "/boot/vmlinuz"
instboot.initrd = "/boot/initrd"
g.installer._scratchdir = scratch
return g
def get_basic_fullyvirt_guest(typ="xen", installer=None):
g = virtinst.Guest(conn=_conn, type=typ)
g.name = "TestGuest"
g.memory = int(200)
g.maxmemory = int(400)
g.uuid = "12345678-1234-1234-1234-123456789012"
g.cdrom = "/dev/loop0"
g.add_device(VirtualGraphics("sdl"))
g.features['pae'] = 0
g.vcpus = 5
if installer:
g.installer = installer
g.emulator = "/usr/lib/xen/bin/qemu-dm"
g.installer.arch = "i686"
g.installer.os_type = "hvm"
g.installer._scratchdir = scratch
return g
def make_import_installer(os_type="hvm"):
inst = virtinst.ImportInstaller(type="xen", os_type=os_type, conn=_conn)
return inst
def make_distro_installer(location="/default-pool/default-vol", gtype="xen"):
inst = virtinst.DistroInstaller(type=gtype, os_type="hvm", conn=_conn,
location=location)
return inst
def make_live_installer(location="/dev/loop0", gtype="xen"):
inst = virtinst.LiveCDInstaller(type=gtype, os_type="hvm",
conn=_conn, location=location)
return inst
def make_pxe_installer(gtype="xen"):
inst = virtinst.PXEInstaller(type=gtype, os_type="hvm", conn=_conn)
return inst
def build_win_kvm(path=None):
g = get_basic_fullyvirt_guest("kvm")
g.os_type = "windows"
g.os_variant = "winxp"
g.disks.append(get_filedisk(path))
g.disks.append(get_blkdisk())
g.nics.append(get_virtual_network())
g.add_device(VirtualAudio())
g.add_device(VirtualVideoDevice(g.conn))
return g
def get_floppy(path=None):
if not path:
path = "/default-pool/testvol1.img"
return VirtualDisk(path, conn=_conn, device=VirtualDisk.DEVICE_FLOPPY)
def get_filedisk(path=None):
if not path:
path = "/tmp/test.img"
return VirtualDisk(path, size=.0001, conn=_conn)
def get_blkdisk(path="/dev/loop0"):
return VirtualDisk(path, conn=_conn)
def get_virtual_network():
dev = virtinst.VirtualNetworkInterface(conn=_conn)
dev.macaddr = "22:22:33:44:55:66"
dev.type = virtinst.VirtualNetworkInterface.TYPE_VIRTUAL
dev.network = "default"
return dev