Synnefo » snf-ganeti

#!/usr/bin/python

#

# Copyright (C) 2011, 2012 Google 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.

"""Script for testing ganeti.ovf.

"""

import optparse

import os

import os.path

import re

import shutil

import sys

import tempfile

import unittest

try:

  import xml.etree.ElementTree as ET

except ImportError:

  import elementtree.ElementTree as ET

from ganeti import constants

from ganeti import errors

from ganeti import ovf

from ganeti import utils

from ganeti import pathutils

import testutils

OUTPUT_DIR = "newdir"

GANETI_DISKS = {

  "disk_count": "1",

  "disk0_dump": "new_disk.raw",

  "disk0_size": "0",

  "disk0_ivname": "disk/0",

}

GANETI_NETWORKS = {

  "nic_count": "1",

  "nic0_mode": "bridged",

  "nic0_ip": "none",

  "nic0_mac": "aa:00:00:d8:2c:1e",

  "nic0_link": "xen-br0",

  "nic0_network": "auto",

}

GANETI_HYPERVISOR = {

  "hypervisor_name": "xen-pvm",

  "root-path": "/dev/sda",

  "kernel_args": "ro",

}

GANETI_OS = {"os_name": "lenny-image"}

GANETI_BACKEND = {

  "vcpus": "1",

  "memory" : "2048",

  "auto_balance": "False",

}

GANETI_NAME = "ganeti-test-xen"

GANETI_TEMPLATE = "plain"

GANETI_TAGS = None

GANETI_VERSION = "0"

VIRTUALBOX_DISKS = {

  "disk_count": "2",

  "disk0_ivname": "disk/0",

  "disk0_dump": "new_disk.raw",

  "disk0_size": "0",

  "disk1_ivname": "disk/1",

  "disk1_dump": "second_disk.raw",

  "disk1_size": "0",

}

VIRTUALBOX_NETWORKS = {

  "nic_count": "1",

  "nic0_mode": "bridged",

  "nic0_ip": "none",

  "nic0_link": "auto",

  "nic0_mac": "auto",

  "nic0_network": "auto",

}

VIRTUALBOX_HYPERVISOR = {"hypervisor_name": "auto"}

VIRTUALBOX_OS = {"os_name": None}

VIRTUALBOX_BACKEND = {

 "vcpus": "1",

  "memory" : "2048",

  "auto_balance": "auto",

}

VIRTUALBOX_NAME = None

VIRTUALBOX_TEMPLATE = None

VIRTUALBOX_TAGS = None

VIRTUALBOX_VERSION = None

EMPTY_DISKS = {}

EMPTY_NETWORKS = {}

EMPTY_HYPERVISOR = {"hypervisor_name": "auto"}

EMPTY_OS = {}

EMPTY_BACKEND = {

  "vcpus": "auto",

  "memory" : "auto",

  "auto_balance": "auto",

}

EMPTY_NAME = None

EMPTY_TEMPLATE = None

EMPTY_TAGS = None

EMPTY_VERSION = None

CMDARGS_DISKS = {

  "disk_count": "1",

  "disk0_ivname": "disk/0",

  "disk0_dump": "disk0.raw",

  "disk0_size": "8",

}

CMDARGS_NETWORKS = {

  "nic0_link": "auto",

  "nic0_mode": "bridged",

  "nic0_ip": "none",

  "nic0_mac": "auto",

  "nic_count": "1",

  "nic0_network": "auto",

}

CMDARGS_HYPERVISOR = {

  "hypervisor_name": "xen-pvm"

}

CMDARGS_OS = {"os_name": "lenny-image"}

CMDARGS_BACKEND = {

  "auto_balance": False,

  "vcpus": "1",

  "memory": "256",

}

CMDARGS_NAME = "test-instance"

CMDARGS_TEMPLATE = "plain"

CMDARGS_TAGS = "test-tag-1,test-tag-2"

ARGS_EMPTY = {

  "output_dir": None,

  "nics": [],

  "disks": [],

  "name": "test-instance",

  "ova_package": False,

  "ext_usage": False,

  "disk_format": "cow",

  "compression": False,

}

ARGS_EXPORT_DIR = dict(ARGS_EMPTY, **{

  "output_dir": OUTPUT_DIR,

  "name": None,

  "hypervisor": None,

  "os": None,

  "beparams": {},

  "no_nics": False,

  "disk_template": None,

  "tags": None,

})

ARGS_VBOX = dict(ARGS_EXPORT_DIR, **{

  "output_dir": OUTPUT_DIR,

  "name": "test-instance",

  "os": "lenny-image",

  "hypervisor": ("xen-pvm", {}),

  "osparams":{},

  "osparams_private":{},

  "disks": [],

})

ARGS_COMPLETE = dict(ARGS_VBOX, **{

  "beparams": {"vcpus":"1", "memory":"256", "auto_balance": False},

  "disks": [(0,{"size":"5mb"})],

  "nics": [("0",{"mode":"bridged"})],

  "disk_template": "plain",

  "tags": "test-tag-1,test-tag-2",

})

ARGS_BROKEN = dict(ARGS_EXPORT_DIR , **{

  "no_nics": True,

  "disk_template": "diskless",

  "name": "test-instance",

  "os": "lenny-image",

  "osparams": {},

  "osparams_private":{},

})

EXP_ARGS_COMPRESSED = dict(ARGS_EXPORT_DIR, **{

  "compression": True,

})

EXP_DISKS_LIST = [

  {

    "format": "vmdk",

    "compression": "gzip",

    "virt-size": 90000,

    "real-size": 203,

    "path": "new_disk.cow.gz",

  },

  {

    "format": "cow",

    "virt-size": 15,

    "real-size": 15,

    "path": "new_disk.cow",

  },

]

EXP_NETWORKS_LIST = [

  {"mac": "aa:00:00:d8:2c:1e", "ip":"None", "link":"br0",

   "mode":"routed", "network": "test"},

]

EXP_PARTIAL_GANETI_DICT = {

  "hypervisor": {"name": "xen-kvm"},

  "os": {"name": "lenny-image"},

  "auto_balance": "True",

  "version": "0",

}

EXP_GANETI_DICT = {

  "tags": None,

  "auto_balance": "False",

  "hypervisor": {

     "root-path": "/dev/sda",

     "name": "xen-pvm",

     "kernel_args": "ro"

   },

  "version": "0",

  "disk_template": None,

  "os": {"name": "lenny-image"}

}

EXP_NAME ="xen-dev-i1"

EXP_VCPUS = 1

EXP_MEMORY = 512

EXPORT_EMPTY = ("<Envelope xml:lang=\"en-US\" xmlns=\"http://schemas.dmtf.org/"

                "ovf/envelope/1\" xmlns:gnt=\"http://ganeti\" xmlns:ovf=\""

                "http://schemas.dmtf.org/ovf/envelope/1\" xmlns:rasd=\""

                "http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_Resource"

                "AllocationSettingData\" xmlns:vssd=\"http://schemas.dmtf.org"

                "/wbem/wscim/1/cim-schema/2/CIM_VirtualSystemSettingData\""

                " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" />")

EXPORT_DISKS_EMPTY = ("<References /><DiskSection><Info>Virtual disk"

                      " information</Info></DiskSection>")

EXPORT_DISKS = ("<References><File ovf:compression=\"gzip\" ovf:href=\"new_disk"

                ".cow.gz\" ovf:id=\"file0\" ovf:size=\"203\" /><File ovf:href="

                "\"new_disk.cow\" ovf:id=\"file1\" ovf:size=\"15\" />"

                "</References><DiskSection><Info>Virtual disk information"

                "</Info><Disk ovf:capacity=\"90000\" ovf:diskId=\"disk0\" ovf"

                ":fileRef=\"file0\" ovf:format=\"http://www.vmware.com/"

                "interfaces/specifications/vmdk.html#monolithicSparse\" /><Disk"

                " ovf:capacity=\"15\" ovf:diskId=\"disk1\" ovf:fileRef"

                "=\"file1\" ovf:format=\"http://www.gnome.org/~markmc/qcow"

                "-image-format.html\" /></DiskSection>")

EXPORT_NETWORKS_EMPTY = ("<NetworkSection><Info>List of logical networks</Info>"

                         "</NetworkSection>")

EXPORT_NETWORKS = ("<NetworkSection><Info>List of logical networks</Info>"

                   "<Network ovf:name=\"routed0\" /></NetworkSection>")

EXPORT_GANETI_INCOMPLETE = ("<gnt:GanetiSection><gnt:Version>0</gnt:Version>"

                            "<gnt:AutoBalance>True</gnt:AutoBalance><gnt:"

                            "OperatingSystem><gnt:Name>lenny-image</gnt:Name>"

                            "<gnt:Parameters /></gnt:OperatingSystem><gnt:"

                            "Hypervisor><gnt:Name>xen-kvm</gnt:Name><gnt:"

                            "Parameters /></gnt:Hypervisor><gnt:Network><gnt:"

                            "Nic ovf:name=\"routed0\"><gnt:Mode>routed</gnt:"

                            "Mode><gnt:MACAddress>aa:00:00:d8:2c:1e</gnt:"

                            "MACAddress><gnt:IPAddress>None</gnt:IPAddress>"

                            "<gnt:Link>br0</gnt:Link><gnt:Net>test</gnt:Net>"

                            "</gnt:Nic></gnt:Network></gnt:GanetiSection>")

EXPORT_GANETI = ("<gnt:GanetiSection><gnt:Version>0</gnt:Version><gnt:"

                 "AutoBalance>False</gnt:AutoBalance><gnt:OperatingSystem>"

                 "<gnt:Name>lenny-image</gnt:Name><gnt:Parameters /></gnt:"

                 "OperatingSystem><gnt:Hypervisor><gnt:Name>xen-pvm</gnt:Name>"

                 "<gnt:Parameters><gnt:root-path>/dev/sda</gnt:root-path><gnt:"

                 "kernel_args>ro</gnt:kernel_args></gnt:Parameters></gnt:"

                 "Hypervisor><gnt:Network><gnt:Nic ovf:name=\"routed0\"><gnt:"

                 "Mode>routed</gnt:Mode><gnt:MACAddress>aa:00:00:d8:2c:1e</gnt:"

                 "MACAddress><gnt:IPAddress>None</gnt:IPAddress><gnt:Link>br0"

                 "</gnt:Link><gnt:Net>test</gnt:Net></gnt:Nic></gnt:Network>"

                 "</gnt:GanetiSection>")

EXPORT_SYSTEM = ("<References><File ovf:compression=\"gzip\" ovf:href=\"new_"

                 "disk.cow.gz\" ovf:id=\"file0\" ovf:size=\"203\" /><File ovf:"

                 "href=\"new_disk.cow\" ovf:id=\"file1\" ovf:size=\"15\" />"

                 "</References><DiskSection><Info>Virtual disk information"

                 "</Info><Disk ovf:capacity=\"90000\" ovf:diskId=\"disk0\""

                 " ovf:fileRef=\"file0\" ovf:format=\"http://www.vmware.com"

                 "/interfaces/specifications/vmdk.html#monolithicSparse\" />"

                 "<Disk ovf:capacity=\"15\" ovf:diskId=\"disk1\" ovf:fileRef"

                 "=\"file1\" ovf:format=\"http://www.gnome.org/~markmc/qcow"

                 "-image-format.html\" /></DiskSection><NetworkSection><Info>"

                 "List of logical networks</Info><Network ovf:name=\"routed0\""

                 " /></NetworkSection><VirtualSystem ovf:id=\"xen-dev-i1\">"

                 "<Info>A virtual machine</Info><Name>xen-dev-i1</Name>"

                 "<OperatingSystemSection ovf:id=\"0\"><Info>Installed guest"

                 " operating system</Info></OperatingSystemSection><Virtual"

                 "HardwareSection><Info>Virtual hardware requirements</Info>"

                 "<System><vssd:ElementName>Virtual Hardware Family"

                 "</vssd:ElementName><vssd:InstanceID>0</vssd:InstanceID><vssd:"

                 "VirtualSystemIdentifier>xen-dev-i1</vssd:VirtualSystem"

                 "Identifier><vssd:VirtualSystemType>ganeti-ovf</vssd:Virtual"

                 "SystemType></System><Item><rasd:ElementName>1 virtual CPU(s)"

                 "</rasd:ElementName><rasd:InstanceID>1</rasd:InstanceID><rasd:"

                 "ResourceType>3</rasd:ResourceType><rasd:VirtualQuantity>1"

                 "</rasd:VirtualQuantity></Item><Item><rasd:AllocationUnits>"

                 "byte * 2^20</rasd:AllocationUnits><rasd:ElementName>512MB of"

                 " memory</rasd:ElementName><rasd:InstanceID>2</rasd:"

                 "InstanceID><rasd:ResourceType>4</rasd:ResourceType><rasd:"

                 "VirtualQuantity>512</rasd:VirtualQuantity></Item><Item>"

                 "<rasd:Address>0</rasd:Address><rasd:ElementName>scsi"

                 "_controller0</rasd:ElementName><rasd:InstanceID>3"

                 "</rasd:InstanceID><rasd:ResourceSubType>lsilogic</rasd"

                 ":ResourceSubType><rasd:ResourceType>6</rasd:ResourceType>"

                 "</Item><Item><rasd:ElementName>disk0</rasd:ElementName><rasd"

                 ":HostResource>ovf:/disk/disk0</rasd:HostResource><rasd"

                 ":InstanceID>4</rasd:InstanceID><rasd:Parent>3</rasd:Parent>"

                 "<rasd:ResourceType>17</rasd:ResourceType></Item><Item><rasd:"

                 "ElementName>disk1</rasd:ElementName><rasd:HostResource>ovf:/"

                 "disk/disk1</rasd:HostResource><rasd:InstanceID>5</rasd"

                 ":InstanceID><rasd:Parent>3</rasd:Parent><rasd:ResourceType>17"

                 "</rasd:ResourceType></Item><Item><rasd:Address>aa:00"

                 ":00:d8:2c:1e</rasd:Address><rasd:Connection>routed0</rasd"

                 ":Connection><rasd:ElementName>routed0</rasd:ElementName><rasd"

                 ":InstanceID>6</rasd:InstanceID><rasd:ResourceType>10</rasd"

                 ":ResourceType></Item></VirtualHardwareSection>"

                 "</VirtualSystem>")

def _GetArgs(args, with_name=False):

  options = optparse.Values()

  needed = args

  if with_name:

    needed["name"] = "test-instance"

  options._update_loose(needed)

  return options

OPTS_EMPTY = _GetArgs(ARGS_EMPTY)

OPTS_EXPORT_NO_NAME = _GetArgs(ARGS_EXPORT_DIR)

OPTS_EXPORT = _GetArgs(ARGS_EXPORT_DIR, with_name=True)

EXP_OPTS = OPTS_EXPORT_NO_NAME

EXP_OPTS_COMPRESSED = _GetArgs(EXP_ARGS_COMPRESSED)

OPTS_VBOX = _GetArgs(ARGS_VBOX)

OPTS_COMPLETE = _GetArgs(ARGS_COMPLETE)

OPTS_NONIC_NODISK = _GetArgs(ARGS_BROKEN)

def _GetFullFilename(file_name):

  file_path = "%s/test/data/ovfdata/%s" % (testutils.GetSourceDir(),

    file_name)

  file_path = os.path.abspath(file_path)

  return file_path

class BetterUnitTest(unittest.TestCase):

  def assertRaisesRegexp(self, exception, regexp_val, function, *args):

    try:

      function(*args)

      self.fail("Expected raising %s" % exception)

    except exception, err:

      regexp = re.compile(regexp_val)

      if re.search(regexp, str(err)) == None:

        self.fail("Expected matching '%s', got '%s'" %

          (regexp_val, str(err)))

class TestOVFImporter(BetterUnitTest):

  def setUp(self):

    self.non_existing_file = _GetFullFilename("not_the_file.ovf")

    self.ganeti_ovf = _GetFullFilename("ganeti.ovf")

    self.virtualbox_ovf = _GetFullFilename("virtualbox.ovf")

    self.ova_package = _GetFullFilename("ova.ova")

    self.empty_ovf = _GetFullFilename("empty.ovf")

    self.wrong_extension = _GetFullFilename("wrong_extension.ovd")

    self.wrong_ova_archive = _GetFullFilename("wrong_ova.ova")

    self.no_ovf_in_ova = _GetFullFilename("no_ovf.ova")

    self.importer = None

  def tearDown(self):

    if self.importer:

      self.importer.Cleanup()

    del_dir = os.path.abspath(OUTPUT_DIR)

    try:

      shutil.rmtree(del_dir)

    except OSError:

      pass

  def testFileDoesNotExistError(self):

    self.assertRaisesRegexp(errors.OpPrereqError, "does not exist",

      ovf.OVFImporter, self.non_existing_file, None)

  def testWrongInputFileExtensionError(self):

    self.assertRaisesRegexp(errors.OpPrereqError,

      "Unknown file extension", ovf.OVFImporter,

      self.wrong_extension, None)

  def testOVAUnpackingDirectories(self):

    self.importer = ovf.OVFImporter(self.ova_package, OPTS_EMPTY)

    self.assertTrue(self.importer.input_dir != None)

    self.assertEquals(self.importer.output_dir , pathutils.EXPORT_DIR)

    self.assertTrue(self.importer.temp_dir != None)

  def testOVFUnpackingDirectories(self):

    self.importer = ovf.OVFImporter(self.virtualbox_ovf,

      OPTS_EMPTY)

    self.assertEquals(self.importer.input_dir , _GetFullFilename(""))

    self.assertEquals(self.importer.output_dir , pathutils.EXPORT_DIR)

    self.assertEquals(self.importer.temp_dir , None)

  def testOVFSetOutputDirDirectories(self):

    self.importer = ovf.OVFImporter(self.ganeti_ovf, OPTS_EXPORT)

    self.assertEquals(self.importer.input_dir , _GetFullFilename(""))

    self.assertTrue(OUTPUT_DIR in self.importer.output_dir)

    self.assertEquals(self.importer.temp_dir , None)

  def testWrongOVAArchiveError(self):

    self.assertRaisesRegexp(errors.OpPrereqError, "not a proper tar",

      ovf.OVFImporter, self.wrong_ova_archive, None)

  def testNoOVFFileInOVAPackageError(self):

    self.assertRaisesRegexp(errors.OpPrereqError, "No .ovf file",

      ovf.OVFImporter, self.no_ovf_in_ova, None)

  def testParseGanetiOvf(self):

    self.importer = ovf.OVFImporter(self.ganeti_ovf, OPTS_EXPORT_NO_NAME)

    self.importer.Parse()

    self.assertTrue("%s/ganeti-test-xen" % OUTPUT_DIR in

      self.importer.output_dir)

    self.assertEqual(self.importer.results_disk, GANETI_DISKS)

    self.assertEqual(self.importer.results_network, GANETI_NETWORKS)

    self.assertEqual(self.importer.results_hypervisor, GANETI_HYPERVISOR)

    self.assertEqual(self.importer.results_os, GANETI_OS)

    self.assertEqual(self.importer.results_backend, GANETI_BACKEND)

    self.assertEqual(self.importer.results_name, GANETI_NAME)

    self.assertEqual(self.importer.results_template, GANETI_TEMPLATE)

    self.assertEqual(self.importer.results_tags, GANETI_TAGS)

    self.assertEqual(self.importer.results_version, GANETI_VERSION)

  def testParseVirtualboxOvf(self):

    self.importer = ovf.OVFImporter(self.virtualbox_ovf, OPTS_VBOX)

    self.importer.Parse()

    self.assertTrue("%s/test-instance" % OUTPUT_DIR in self.importer.output_dir)

    self.assertEquals(self.importer.results_disk, VIRTUALBOX_DISKS)

    self.assertEquals(self.importer.results_network, VIRTUALBOX_NETWORKS)

    self.assertEquals(self.importer.results_hypervisor, CMDARGS_HYPERVISOR)

    self.assertEquals(self.importer.results_os, CMDARGS_OS)

    self.assertEquals(self.importer.results_backend, VIRTUALBOX_BACKEND)

    self.assertEquals(self.importer.results_name, CMDARGS_NAME)

    self.assertEquals(self.importer.results_template, VIRTUALBOX_TEMPLATE)

    self.assertEqual(self.importer.results_tags, VIRTUALBOX_TAGS)

    self.assertEqual(self.importer.results_version, constants.EXPORT_VERSION)

  def testParseEmptyOvf(self):

    self.importer = ovf.OVFImporter(self.empty_ovf, OPTS_COMPLETE)

    self.importer.Parse()

    self.assertTrue("%s/test-instance" % OUTPUT_DIR in self.importer.output_dir)

    self.assertEquals(self.importer.results_disk, CMDARGS_DISKS)

    self.assertEquals(self.importer.results_network, CMDARGS_NETWORKS)

    self.assertEquals(self.importer.results_hypervisor, CMDARGS_HYPERVISOR)

    self.assertEquals(self.importer.results_os, CMDARGS_OS)

    self.assertEquals(self.importer.results_backend, CMDARGS_BACKEND)

    self.assertEquals(self.importer.results_name, CMDARGS_NAME)

    self.assertEquals(self.importer.results_template, CMDARGS_TEMPLATE)

    self.assertEqual(self.importer.results_tags, CMDARGS_TAGS)

    self.assertEqual(self.importer.results_version, constants.EXPORT_VERSION)

  def testParseNameOptions(self):

    self.importer = ovf.OVFImporter(self.empty_ovf, OPTS_COMPLETE)

    results = self.importer._ParseNameOptions()

    self.assertEquals(results, CMDARGS_NAME)

  def testParseHypervisorOptions(self):

    self.importer = ovf.OVFImporter(self.empty_ovf, OPTS_COMPLETE)

    results = self.importer._ParseHypervisorOptions()

    self.assertEquals(results, CMDARGS_HYPERVISOR)

  def testParseOSOptions(self):

    self.importer = ovf.OVFImporter(self.empty_ovf, OPTS_COMPLETE)

    results = self.importer._ParseOSOptions()

    self.assertEquals(results, CMDARGS_OS)

  def testParseBackendOptions(self):

    self.importer = ovf.OVFImporter(self.empty_ovf, OPTS_COMPLETE)

    results = self.importer._ParseBackendOptions()

    self.assertEquals(results, CMDARGS_BACKEND)

  def testParseTags(self):

    self.importer = ovf.OVFImporter(self.empty_ovf, OPTS_COMPLETE)

    results = self.importer._ParseTags()

    self.assertEquals(results, CMDARGS_TAGS)

  def testParseNicOptions(self):

    self.importer = ovf.OVFImporter(self.empty_ovf, OPTS_COMPLETE)

    results = self.importer._ParseNicOptions()

    self.assertEquals(results, CMDARGS_NETWORKS)

  def testParseDiskOptionsFromGanetiOVF(self):

    self.importer = ovf.OVFImporter(self.ganeti_ovf, OPTS_EXPORT)

    os.mkdir(OUTPUT_DIR)

    results = self.importer._GetDiskInfo()

    self.assertEquals(results, GANETI_DISKS)

  def testParseTemplateOptions(self):

    self.importer = ovf.OVFImporter(self.empty_ovf, OPTS_COMPLETE)

    results = self.importer._ParseTemplateOptions()

    self.assertEquals(results, GANETI_TEMPLATE)

  def testParseDiskOptionsFromCmdLine(self):

    self.importer = ovf.OVFImporter(self.empty_ovf, OPTS_COMPLETE)

    os.mkdir(OUTPUT_DIR)

    results = self.importer._ParseDiskOptions()

    self.assertEquals(results, CMDARGS_DISKS)

  def testGetDiskFormat(self):

    self.importer = ovf.OVFImporter(self.ganeti_ovf, OPTS_EXPORT)

    disks_list = self.importer.ovf_reader.GetDisksNames()

    results = [self.importer._GetDiskQemuInfo("%s/%s" %

      (self.importer.input_dir, path), "file format: (\S+)")

      for (path, _) in disks_list]

    self.assertEqual(results, ["vmdk"])

  def testNoInstanceNameOVF(self):

    self.importer = ovf.OVFImporter(self.empty_ovf, OPTS_EXPORT_NO_NAME)

    self.assertRaisesRegexp(errors.OpPrereqError, "Name of instance",

      self.importer.Parse)

  def testErrorNoOSNameOVF(self):

    self.importer = ovf.OVFImporter(self.virtualbox_ovf, OPTS_EXPORT)

    self.assertRaisesRegexp(errors.OpPrereqError, "OS name",

      self.importer.Parse)

  def testErrorNoDiskAndNoNetwork(self):

    self.importer = ovf.OVFImporter(self.empty_ovf, OPTS_NONIC_NODISK)

    self.assertRaisesRegexp(errors.OpPrereqError,

      "Either disk specification or network"

      " description", self.importer.Parse)

class TestOVFExporter(BetterUnitTest):

  def setUp(self):

    self.exporter = None

    self.wrong_config_file = _GetFullFilename("wrong_config.ini")

    self.unsafe_path_to_disk = _GetFullFilename("unsafe_path.ini")

    self.disk_image_not_exist = _GetFullFilename("no_disk.ini")

    self.empty_config = _GetFullFilename("empty.ini")

    self.standard_export = _GetFullFilename("config.ini")

    self.wrong_network_mode = self.disk_image_not_exist

    self.no_memory = self.disk_image_not_exist

    self.no_vcpus = self.disk_image_not_exist

    self.no_os = _GetFullFilename("no_os.ini")

    self.no_hypervisor = self.disk_image_not_exist

  def tearDown(self):

    if self.exporter:

      self.exporter.Cleanup()

    del_dir = os.path.abspath(OUTPUT_DIR)

    try:

      shutil.rmtree(del_dir)

    except OSError:

      pass

  def testErrorWrongConfigFile(self):

    self.assertRaisesRegexp(errors.OpPrereqError,

      "Error when trying to read", ovf.OVFExporter,

      self.wrong_config_file, EXP_OPTS)

  def testErrorPathToTheDiskIncorrect(self):

    self.exporter = ovf.OVFExporter(self.unsafe_path_to_disk, EXP_OPTS)

    self.assertRaisesRegexp(errors.OpPrereqError, "contains a directory name",

      self.exporter._ParseDisks)

  def testErrorDiskImageNotExist(self):

    self.exporter = ovf.OVFExporter(self.disk_image_not_exist, EXP_OPTS)

    self.assertRaisesRegexp(errors.OpPrereqError, "Disk image does not exist",

      self.exporter._ParseDisks)

  def testParseNetworks(self):

    self.exporter = ovf.OVFExporter(self.standard_export, EXP_OPTS)

    results = self.exporter._ParseNetworks()

    self.assertEqual(results, EXP_NETWORKS_LIST)

  def testErrorWrongNetworkMode(self):

    self.exporter = ovf.OVFExporter(self.wrong_network_mode, EXP_OPTS)

    self.assertRaisesRegexp(errors.OpPrereqError,

      "Network mode nic not recognized", self.exporter._ParseNetworks)

  def testParseVCPusMem(self):

    self.exporter = ovf.OVFExporter(self.standard_export, EXP_OPTS)

    vcpus = self.exporter._ParseVCPUs()

    memory = self.exporter._ParseMemory()

    self.assertEqual(vcpus, EXP_VCPUS)

    self.assertEqual(memory, EXP_MEMORY)

  def testErrorNoVCPUs(self):

    self.exporter = ovf.OVFExporter(self.no_vcpus, EXP_OPTS)

    self.assertRaisesRegexp(errors.OpPrereqError, "No CPU information found",

      self.exporter._ParseVCPUs)

  def testErrorNoMemory(self):

    self.exporter = ovf.OVFExporter(self.no_memory, EXP_OPTS)

    self.assertRaisesRegexp(errors.OpPrereqError, "No memory information found",

      self.exporter._ParseMemory)

  def testParseGaneti(self):

    self.exporter = ovf.OVFExporter(self.standard_export, EXP_OPTS)

    results = self.exporter._ParseGaneti()

    self.assertEqual(results, EXP_GANETI_DICT)

  def testErrorNoHypervisor(self):

    self.exporter = ovf.OVFExporter(self.no_hypervisor, EXP_OPTS)

    self.assertRaisesRegexp(errors.OpPrereqError,

      "No hypervisor information found", self.exporter._ParseGaneti)

  def testErrorNoOS(self):

    self.exporter = ovf.OVFExporter(self.no_os, EXP_OPTS)

    self.assertRaisesRegexp(errors.OpPrereqError,

      "No operating system information found", self.exporter._ParseGaneti)

  def testErrorParseNoInstanceName(self):

    self.exporter = ovf.OVFExporter(self.empty_config, EXP_OPTS)

    self.assertRaisesRegexp(errors.OpPrereqError, "No instance name found",

      self.exporter.Parse)

class TestOVFReader(BetterUnitTest):

  def setUp(self):

    self.wrong_xml_file = _GetFullFilename("wrong_xml.ovf")

    self.ganeti_ovf = _GetFullFilename("ganeti.ovf")

    self.virtualbox_ovf = _GetFullFilename("virtualbox.ovf")

    self.corrupted_ovf = _GetFullFilename("corrupted_resources.ovf")

    self.wrong_manifest_ovf = _GetFullFilename("wrong_manifest.ovf")

    self.no_disk_in_ref_ovf = _GetFullFilename("no_disk_in_ref.ovf")

    self.empty_ovf = _GetFullFilename("empty.ovf")

    self.compressed_disk = _GetFullFilename("gzip_disk.ovf")

  def tearDown(self):

    pass

  def testXMLParsingError(self):

    self.assertRaisesRegexp(errors.OpPrereqError,

      "Error while reading .ovf", ovf.OVFReader, self.wrong_xml_file)

  def testFileInResourcesDoesNotExistError(self):

    self.assertRaisesRegexp(errors.OpPrereqError, "does not exist",

      ovf.OVFReader, self.corrupted_ovf)

  def testWrongManifestChecksumError(self):

    reader = ovf.OVFReader(self.wrong_manifest_ovf)

    self.assertRaisesRegexp(errors.OpPrereqError,

      "does not match the value in manifest file", reader.VerifyManifest)

  def testGoodManifestChecksum(self):

    reader = ovf.OVFReader(self.ganeti_ovf)

    self.assertEqual(reader.VerifyManifest(), None)

  def testGetDisksNamesOVFCorruptedError(self):

    reader = ovf.OVFReader(self.no_disk_in_ref_ovf)

    self.assertRaisesRegexp(errors.OpPrereqError,

      "not found in references", reader.GetDisksNames)

  def testGetDisksNamesVirtualbox(self):

    reader = ovf.OVFReader(self.virtualbox_ovf)

    disk_names = reader.GetDisksNames()

    expected_names = [

      ("new_disk.vmdk", None) ,

      ("second_disk.vmdk", None),

    ]

    self.assertEqual(sorted(disk_names), sorted(expected_names))

  def testGetDisksNamesEmpty(self):

    reader = ovf.OVFReader(self.empty_ovf)

    disk_names = reader.GetDisksNames()

    self.assertEqual(disk_names, [])

  def testGetDisksNamesCompressed(self):

    reader = ovf.OVFReader(self.compressed_disk)

    disk_names = reader.GetDisksNames()

    self.assertEqual(disk_names, [("compr_disk.vmdk.gz", "gzip")])

  def testGetNetworkDataGaneti(self):

    reader = ovf.OVFReader(self.ganeti_ovf)