コード例 #1
0
    def test_get_interface_long_post_and_prefix(self):
        """Prefix and postfix alone overcome the max character limit."""

        long_prefix = "long_pre"
        long_postfix = "long_pos"
        much_too_long_prefix = "much_too_long_prefix"
        much_too_long_postfix = "much_too_long_postfix"

        self.assertEqual(
            "long_preSHORT",
            utils.get_interface_name(SHORT_NAME, prefix=long_prefix))
        self.assertEqual(
            "SHORTlong_pos",
            utils.get_interface_name(SHORT_NAME, postfix=long_postfix))
        self.assertRaises(ValueError,
                          utils.get_interface_name,
                          SHORT_NAME,
                          prefix=long_prefix,
                          postfix=long_postfix)

        self.assertRaises(ValueError,
                          utils.get_interface_name,
                          SHORT_NAME,
                          prefix=much_too_long_prefix)
        self.assertRaises(ValueError,
                          utils.get_interface_name,
                          SHORT_NAME,
                          postfix=much_too_long_postfix)
コード例 #2
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ファイル: test_utils.py プロジェクト: Blahhhhh/neutron
 def test_get_interface_max_len(self, mock_sha1):
     self.assertEqual(constants.DEVICE_NAME_MAX_LEN,
                      len(utils.get_interface_name(LONG_NAME1)))
     self.assertEqual(10, len(utils.get_interface_name(LONG_NAME1,
                                                       max_len=10)))
     self.assertEqual(12, len(utils.get_interface_name(LONG_NAME1,
                                                       prefix="pre-",
                                                       max_len=12)))
コード例 #3
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 def test_get_interface_max_len(self, mock_sha1):
     self.assertEqual(constants.DEVICE_NAME_MAX_LEN,
                      len(utils.get_interface_name(LONG_NAME1)))
     self.assertEqual(10, len(utils.get_interface_name(LONG_NAME1,
                                                       max_len=10)))
     self.assertEqual(12, len(utils.get_interface_name(LONG_NAME1,
                                                       prefix="pre-",
                                                       max_len=12)))
コード例 #4
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ファイル: test_utils.py プロジェクト: sebrandon1/neutron
    def test_get_interface_name(self, mock_sha1):
        prefix = "pre-"
        prefix_long = "long_prefix"
        prefix_exceeds_max_dev_len = "much_too_long_prefix"
        hash_used = MOCKED_HASH[0:6]

        self.assertEqual("A_REALLY_" + hash_used, utils.get_interface_name(LONG_NAME1))
        self.assertEqual("SHORT", utils.get_interface_name(SHORT_NAME))
        self.assertEqual("pre-A_REA" + hash_used, utils.get_interface_name(LONG_NAME1, prefix=prefix))
        self.assertEqual("pre-SHORT", utils.get_interface_name(SHORT_NAME, prefix=prefix))
        # len(prefix) > max_device_len - len(hash_used)
        self.assertRaises(ValueError, utils.get_interface_name, SHORT_NAME, prefix_long)
        # len(prefix) > max_device_len
        self.assertRaises(ValueError, utils.get_interface_name, SHORT_NAME, prefix=prefix_exceeds_max_dev_len)
コード例 #5
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    def test_get_interface_name(self, mock_sha1):
        prefix = "pre-"
        postfix = ".1111"

        if_default_long = utils.get_interface_name(LONG_NAME1)
        if_default_short = utils.get_interface_name(SHORT_NAME)

        if_prefix_long = utils.get_interface_name(LONG_NAME1, prefix=prefix)
        if_prefix_short = utils.get_interface_name(SHORT_NAME, prefix=prefix)

        if_postfix_long = utils.get_interface_name(LONG_NAME1, postfix=postfix)
        if_postfix_short = utils.get_interface_name(SHORT_NAME,
                                                    postfix=postfix)

        if_prefix_postfix_long = utils.get_interface_name(LONG_NAME1,
                                                          prefix=prefix,
                                                          postfix=postfix)
        if_prefix_postfix_short = utils.get_interface_name(SHORT_NAME,
                                                           prefix=prefix,
                                                           postfix=postfix)

        # Each combination is a tuple of the following values:
        # the calculated name, the expected name"
        combinations = [(if_default_long, "A_REALLY_mocked"),
                        (if_default_short, "SHORT"),
                        (if_prefix_long, "pre-A_REAmocked"),
                        (if_prefix_short, "pre-SHORT"),
                        (if_postfix_long, "A_REmocked.1111"),
                        (if_postfix_short, "SHORT.1111"),
                        (if_prefix_postfix_long, "pre-mocked.1111"),
                        (if_prefix_postfix_short, "pre-SHORT.1111")]

        for if_new_name, if_expected_new_name in combinations:
            self.assertEqual(if_new_name, if_expected_new_name)
コード例 #6
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    def get_subinterface_name(self, physical_interface, vlan_id):
        if not vlan_id:
            LOG.warning(
                _LW("Invalid VLAN ID, will lead to incorrect "
                    "subinterface name"))
        vlan_postfix = '.%s' % vlan_id

        # For the vlan subinterface name prefix we use:
        # * the physical_interface, if len(physical_interface) +
        #   len(vlan_postifx) <= 15 for backward compatibility reasons
        #   Example: physical_interface = eth0
        #            prefix = eth0.1
        #            prefix = eth0.1111
        #
        # * otherwise a unique hash per physical_interface to help debugging
        #   Example: physical_interface = long_interface
        #            prefix = longHASHED.1
        #            prefix = longHASHED.1111
        #
        # Remark: For some physical_interface values, the used prefix can be
        # both, the physical_interface itself or a hash, depending
        # on the vlan_postfix length.
        # Example: physical_interface = mix_interface
        #          prefix = mix_interface.1 (backward compatible)
        #          prefix = mix_iHASHED.1111
        if (len(physical_interface) + len(vlan_postfix) >
                constants.DEVICE_NAME_MAX_LEN):
            physical_interface = p_utils.get_interface_name(
                physical_interface,
                max_len=(constants.DEVICE_NAME_MAX_LEN - MAX_VLAN_POSTFIX_LEN))
        return "%s%s" % (physical_interface, vlan_postfix)
コード例 #7
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    def get_subinterface_name(self, physical_interface, vlan_id):
        if not vlan_id:
            LOG.warning(_LW("Invalid VLAN ID, will lead to incorrect "
                            "subinterface name"))
        vlan_postfix = '.%s' % vlan_id

        # For the vlan subinterface name prefix we use:
        # * the physical_interface, if len(physical_interface) +
        #   len(vlan_postifx) <= 15 for backward compatibility reasons
        #   Example: physical_interface = eth0
        #            prefix = eth0.1
        #            prefix = eth0.1111
        #
        # * otherwise a unique hash per physical_interface to help debugging
        #   Example: physical_interface = long_interface
        #            prefix = longHASHED.1
        #            prefix = longHASHED.1111
        #
        # Remark: For some physical_interface values, the used prefix can be
        # both, the physical_interface itself or a hash, depending
        # on the vlan_postfix length.
        # Example: physical_interface = mix_interface
        #          prefix = mix_interface.1 (backward compatible)
        #          prefix = mix_iHASHED.1111
        if (len(physical_interface) + len(vlan_postfix) >
            constants.DEVICE_NAME_MAX_LEN):
            physical_interface = p_utils.get_interface_name(
                physical_interface, max_len=(constants.DEVICE_NAME_MAX_LEN -
                                             MAX_VLAN_POSTFIX_LEN))
        return "%s%s" % (physical_interface, vlan_postfix)
コード例 #8
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ファイル: macvtap_common.py プロジェクト: sld880311/openstack
def get_vlan_device_name(src_dev, vlan):
    """Generating the vlan device name."""

    # Ensure that independent of the vlan len the same name prefix is used.
    src_dev = p_utils.get_interface_name(src_dev,
                                         max_len=n_const.DEVICE_NAME_MAX_LEN -
                                         MAX_VLAN_POSTFIX_LEN)
    return "%s.%s" % (src_dev, vlan)
コード例 #9
0
ファイル: macvtap_common.py プロジェクト: Blahhhhh/neutron
def get_vlan_device_name(src_dev, vlan):
    """Generating the vlan device name."""

    # Ensure that independent of the vlan len the same name prefix is used.
    src_dev = p_utils.get_interface_name(src_dev,
                                         max_len=n_const.DEVICE_NAME_MAX_LEN -
                                         MAX_VLAN_POSTFIX_LEN)
    return "%s.%s" % (src_dev, vlan)
コード例 #10
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    def test_get_interface_name(self, mock_sha1):
        prefix = "pre-"
        prefix_long = "long_prefix"
        prefix_exceeds_max_dev_len = "much_too_long_prefix"
        hash_used = MOCKED_HASH[0:6]

        self.assertEqual("A_REALLY_" + hash_used,
                         utils.get_interface_name(LONG_NAME1))
        self.assertEqual("SHORT",
                         utils.get_interface_name(SHORT_NAME))
        self.assertEqual("pre-A_REA" + hash_used,
                         utils.get_interface_name(LONG_NAME1, prefix=prefix))
        self.assertEqual("pre-SHORT",
                         utils.get_interface_name(SHORT_NAME, prefix=prefix))
        # len(prefix) > max_device_len - len(hash_used)
        self.assertRaises(ValueError, utils.get_interface_name, SHORT_NAME,
                          prefix_long)
        # len(prefix) > max_device_len
        self.assertRaises(ValueError, utils.get_interface_name, SHORT_NAME,
                          prefix=prefix_exceeds_max_dev_len)
コード例 #11
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ファイル: test_utils.py プロジェクト: p0i0/openstack-neutron
 def test_get_interface_uniqueness(self):
     prefix = "prefix-"
     if_prefix1 = utils.get_interface_name(LONG_NAME1, prefix=prefix)
     if_prefix2 = utils.get_interface_name(LONG_NAME2, prefix=prefix)
     self.assertNotEqual(if_prefix1, if_prefix2)
コード例 #12
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ファイル: test_utils.py プロジェクト: Blahhhhh/neutron
 def test_get_interface_uniqueness(self):
     prefix = "prefix-"
     if_prefix1 = utils.get_interface_name(LONG_NAME1, prefix=prefix)
     if_prefix2 = utils.get_interface_name(LONG_NAME2, prefix=prefix)
     self.assertNotEqual(if_prefix1, if_prefix2)
コード例 #13
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 def test_get_interface_max_len(self, mock_sha1):
     self.assertTrue(len(utils.get_interface_name(LONG_NAME1)) == 15)
     self.assertTrue(
         len(utils.get_interface_name(LONG_NAME1, max_len=10)) == 10)