Exemple #1
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def get_image_metadata(context, image_api, image_id_or_uri, instance):
    image_system_meta = {}
    # In case of boot from volume, image_id_or_uri may be None or ''
    if image_id_or_uri is not None and image_id_or_uri != '':
        # If the base image is still available, get its metadata
        try:
            image = image_api.get(context, image_id_or_uri)
        except (exception.ImageNotAuthorized, exception.ImageNotFound,
                exception.Invalid) as e:
            LOG.warning(_LW("Can't access image %(image_id)s: %(error)s"), {
                "image_id": image_id_or_uri,
                "error": e
            },
                        instance=instance)
        else:
            flavor = instance.get_flavor()
            image_system_meta = utils.get_system_metadata_from_image(
                image, flavor)

    # Get the system metadata from the instance
    system_meta = utils.instance_sys_meta(instance)

    # Merge the metadata from the instance with the image's, if any
    system_meta.update(image_system_meta)

    # Convert the system metadata to image metadata
    return utils.get_image_from_system_metadata(system_meta)
Exemple #2
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def get_image_metadata(context, image_api, image_id_or_uri, instance):
    image_system_meta = {}
    # In case of boot from volume, image_id_or_uri may be None or ''
    if image_id_or_uri is not None and image_id_or_uri != '':
        # If the base image is still available, get its metadata
        try:
            image = image_api.get(context, image_id_or_uri)
        except (exception.ImageNotAuthorized,
                exception.ImageNotFound,
                exception.Invalid) as e:
            LOG.warning(_LW("Can't access image %(image_id)s: %(error)s"),
                        {"image_id": image_id_or_uri, "error": e},
                        instance=instance)
        else:
            flavor = instance.get_flavor()
            image_system_meta = utils.get_system_metadata_from_image(image,
                                                                     flavor)

    # Get the system metadata from the instance
    system_meta = utils.instance_sys_meta(instance)

    # Merge the metadata from the instance with the image's, if any
    system_meta.update(image_system_meta)

    # Convert the system metadata to image metadata
    return utils.get_image_from_system_metadata(system_meta)
Exemple #3
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    def test_inherit_image_properties(self):
        image = self.get_image()
        image["properties"] = {"foo1": "bar", "foo2": "baz"}

        sys_meta = utils.get_system_metadata_from_image(image)

        # Verify that we inherit all the image properties
        for key, expected in image["properties"].iteritems():
            sys_key = "%s%s" % (utils.SM_IMAGE_PROP_PREFIX, key)
            self.assertEqual(sys_meta[sys_key], expected)
Exemple #4
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    def test_inherit_image_properties(self):
        image = self.get_image()
        image["properties"] = {"foo1": "bar", "foo2": "baz"}

        sys_meta = utils.get_system_metadata_from_image(image)

        # Verify that we inherit all the image properties
        for key, expected in image["properties"].iteritems():
            sys_key = "%s%s" % (utils.SM_IMAGE_PROP_PREFIX, key)
            self.assertEqual(sys_meta[sys_key], expected)
Exemple #5
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    def test_base_image_properties(self):
        image = self.get_image()

        # Verify that we inherit all the needed keys
        sys_meta = utils.get_system_metadata_from_image(image)
        for key in utils.SM_INHERITABLE_KEYS:
            sys_key = "%s%s" % (utils.SM_IMAGE_PROP_PREFIX, key)
            self.assertEqual(image[key], sys_meta.get(sys_key))

        # Verify that everything else is ignored
        self.assertEqual(len(sys_meta), len(utils.SM_INHERITABLE_KEYS))
Exemple #6
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    def test_base_image_properties(self):
        image = self.get_image()

        # Verify that we inherit all the needed keys
        sys_meta = utils.get_system_metadata_from_image(image)
        for key in utils.SM_INHERITABLE_KEYS:
            sys_key = "%s%s" % (utils.SM_IMAGE_PROP_PREFIX, key)
            self.assertEqual(image[key], sys_meta.get(sys_key))

        # Verify that everything else is ignored
        self.assertEqual(len(sys_meta), len(utils.SM_INHERITABLE_KEYS))
Exemple #7
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    def test_dont_inherit_empty_values(self):
        image = self.get_image()

        for key in utils.SM_INHERITABLE_KEYS:
            image[key] = None

        sys_meta = utils.get_system_metadata_from_image(image)

        # Verify that the empty properties have not been inherited
        for key in utils.SM_INHERITABLE_KEYS:
            sys_key = "%s%s" % (utils.SM_IMAGE_PROP_PREFIX, key)
            self.assertNotIn(sys_key, sys_meta)
Exemple #8
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    def test_vhd_min_disk_image(self):
        image = self.get_image()
        flavor = self.get_flavor()

        image["disk_format"] = "vhd"

        sys_meta = utils.get_system_metadata_from_image(image, flavor)

        # Verify that the min_disk property is taken from
        # flavor's root_gb when using vhd disk format
        sys_key = "%s%s" % (utils.SM_IMAGE_PROP_PREFIX, "min_disk")
        self.assertEqual(sys_meta[sys_key], flavor["root_gb"])
Exemple #9
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    def test_dont_inherit_empty_values(self):
        image = self.get_image()

        for key in utils.SM_INHERITABLE_KEYS:
            image[key] = None

        sys_meta = utils.get_system_metadata_from_image(image)

        # Verify that the empty properties have not been inherited
        for key in utils.SM_INHERITABLE_KEYS:
            sys_key = "%s%s" % (utils.SM_IMAGE_PROP_PREFIX, key)
            self.assertNotIn(sys_key, sys_meta)
Exemple #10
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    def test_vhd_min_disk_image(self):
        image = self.get_image()
        flavor = self.get_flavor()

        image["disk_format"] = "vhd"

        sys_meta = utils.get_system_metadata_from_image(image, flavor)

        # Verify that the min_disk property is taken from
        # flavor's root_gb when using vhd disk format
        sys_key = "%s%s" % (utils.SM_IMAGE_PROP_PREFIX, "min_disk")
        self.assertEqual(sys_meta[sys_key], flavor["root_gb"])