Synnefo

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"""

This is the burnin class that tests the Flavors/Images functionality

"""

import os

import shutil

from kamaki.clients import ClientError

from synnefo_tools.burnin.common import BurninTests, Proper, \

    QPITHOS, QADD, QREMOVE

# pylint: disable=too-many-public-methods

class FlavorsTestSuite(BurninTests):

    """Test flavor lists for consistency"""

    simple_flavors = Proper(value=None)

    detailed_flavors = Proper(value=None)

    simple_names = Proper(value=None)

    def test_001_simple_flavors(self):

        """Test flavor list actually returns flavors"""

        self.simple_flavors = self._get_list_of_flavors(detail=False)

        self.assertGreater(len(self.simple_flavors), 0)

    def test_002_get_detailed_flavors(self):

        """Test detailed flavor list is the same length as list"""

        self.detailed_flavors = self._get_list_of_flavors(detail=True)

        self.assertEquals(len(self.simple_flavors), len(self.detailed_flavors))

    def test_003_same_flavor_names(self):

        """Test detailed and simple flavor list contain same names"""

        names = sorted([flv['name'] for flv in self.simple_flavors])

        self.simple_names = names

        detailed_names = sorted([flv['name'] for flv in self.detailed_flavors])

        self.assertEqual(self.simple_names, detailed_names)

    def test_004_unique_flavor_names(self):

        """Test flavors have unique names"""

        self.assertEqual(sorted(list(set(self.simple_names))),

                         self.simple_names)

    def test_005_well_formed_names(self):

        """Test flavors have well formed names

        Test flavors have names of the form CxxRyyDzz, where xx is vCPU count,

        yy is RAM in MiB, zz is Disk in GiB

        """

        for flv in self.detailed_flavors:

            flavor = (flv['vcpus'], flv['ram'], flv['disk'],

                      flv['SNF:disk_template'])

            self.assertEqual("C%dR%dD%d%s" % flavor, flv['name'],

                             "Flavor %s doesn't match its specs" % flv['name'])

# --------------------------------------------------------------------

# pylint: disable=too-many-public-methods

class ImagesTestSuite(BurninTests):

    """Test image lists for consistency"""

    simple_images = Proper(value=None)

    detailed_images = Proper(value=None)

    system_images = Proper(value=None)

    temp_dir = Proper(value=None)

    temp_image_name = Proper(value=None)

    temp_image_file = Proper(value=None)

    def test_001_list_images(self):

        """Test simple image list actually returns images"""

        self.simple_images = self._get_list_of_images(detail=False)

        self.assertGreater(len(self.simple_images), 0)

    def test_002_list_images_detailed(self):

        """Test detailed image list is the same length as simple list"""

        self.detailed_images = self._get_list_of_images(detail=True)

        self.assertEqual(len(self.simple_images), len(self.detailed_images))

    def test_003_same_image_names(self):

        """Test detailed and simple image list contain the same names"""

        snames = sorted([i['name'] for i in self.simple_images])

        dnames = sorted([i['name'] for i in self.detailed_images])

        self.assertEqual(snames, dnames)

    def test_004_system_images(self):

        """Test that there are system images registered"""

        images = self._get_list_of_sys_images(images=self.detailed_images)

        self.system_images = images

        self.assertGreater(len(images), 0)

    def test_005_unique_image_names(self):

        """Test system images have unique names"""

        names = sorted([i['name'] for i in self.system_images])

        self.assertEqual(sorted(list(set(names))), names)

    def test_006_image_metadata(self):

        """Test every system image has specific metadata defined"""

        keys = frozenset(["osfamily", "root_partition"])

        for i in self.system_images:

            self.assertTrue(keys.issubset(i['properties'].keys()))

    def test_007_download_image(self):

        """Download image from Pithos"""

        # Find the 'Debian Base' image

        images = self._find_images(["name:^Debian Base$"],

                                   images=self.system_images)

        image = images[0]

        self.info("Will use %s with id %s", image['name'], image['id'])

        image_location = \

            image['location'].replace("://", " ").replace("/", " ").split()

        image_owner = image_location[1]

        self.info("Image's owner is %s", image_owner)

        image_container = image_location[2]

        self.info("Image's container is %s", image_container)

        image_name = image_location[3]

        self.info("Image's name is %s", image_name)

        self.temp_image_name = image_name

        self._set_pithos_account(image_owner)

        self._set_pithos_container(image_container)

        # Create temp directory

        self.temp_dir = self._create_tmp_directory()

        self.temp_image_file = \

            os.path.join(self.temp_dir, self.temp_image_name)

        # Write to file

        self.info("Downloading image to %s", self.temp_image_file)

        with open(self.temp_image_file, "w+b") as fout:

            self.clients.pithos.download_object(image_name, fout)

    def test_008_upload_image(self):

        """Upload the image to Pithos"""

        self._set_pithos_account(self._get_uuid())

        self._create_pithos_container("burnin-images")

        file_size = os.path.getsize(self.temp_image_file)

        with open(self.temp_image_file, "r+b") as fin:

            self.clients.pithos.upload_object(self.temp_image_name, fin)

        # Verify quotas

        changes = \

            {self._get_uuid(): [(QPITHOS, QADD, file_size, None)]}

        self._check_quotas(changes)

    def test_009_register_image(self):

        """Register image to Plankton"""

        location = "pithos://" + self._get_uuid() + \

            "/burnin-images/" + self.temp_image_name

        self.info("Registering image %s", location)

        params = {'is_public': False}

        properties = {'OSFAMILY': "linux", 'ROOT_PARTITION': 1}

        self.clients.image.register(self.temp_image_name, location,

                                    params, properties)

        # Check that image is registered

        self.info("Checking that image has been registered")

        images = self._get_list_of_images(detail=True)

        images = [i for i in images if i['location'] == location]

        self.assertEqual(len(images), 1)

        self.info("Image registered with id %s", images[0]['id'])

    def test_010_cleanup_image(self):

        """Remove uploaded image from Pithos"""

        # Remove uploaded image

        self.info("Deleting uploaded image %s", self.temp_image_name)

        self.clients.pithos.del_object(self.temp_image_name)

        # Verify quotas

        file_size = os.path.getsize(self.temp_image_file)

        changes = \

            {self._get_uuid(): [(QPITHOS, QREMOVE, file_size, None)]}

        self._check_quotas(changes)

        self.temp_image_name = None

        # Remove temp directory

        self.info("Deleting temp directory %s", self.temp_dir)

        self._remove_tmp_directory(self.temp_dir)

        self.temp_dir = None

    @classmethod

    def tearDownClass(cls):  # noqa

        """Clean up"""

        if cls.temp_image_name is not None:

            try:

                cls.clients.pithos.del_object(cls.temp_image_name)

            except ClientError:

                pass

        if cls.temp_dir is not None:

            try:

                shutil.rmtree(cls.temp_dir)

            except OSError:

                pass