Fixes create rbd volume from image v1 glance api
The RBD driver supports two methods of image cloning; thin copy i.e. copy-on-write (requires v2 Glance API) and full copy (default if v2 Glance API is not available). clone_image() was failing in the Glance V1 API case because it was not returning a tuple, as expected by the volume manager. Glance V2 support works fine. Fixes: bug #1208617 Change-Id: I2e8605eaacfe8b65bdf47cb6ea40ef62d6f6b895
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@ -515,24 +515,40 @@ class ManagedRBDTestCase(DriverTestCase):
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# cleanup
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db.volume_destroy(self.context, volume_id)
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def test_clone_image_status_available(self):
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def test_create_vol_from_image_status_available(self):
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"""Verify that before cloning, an image is in the available state."""
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self._clone_volume_from_image('available', True)
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def test_clone_image_status_error(self):
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def test_create_vol_from_image_status_error(self):
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"""Verify that before cloning, an image is in the available state."""
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self._clone_volume_from_image('error', False)
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def test_clone_image(self):
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# Test Failure Case(s)
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expected = ({}, False)
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self.stubs.Set(self.volume.driver, '_is_cloneable', lambda x: False)
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self.assertEquals(expected,
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self.volume.driver.clone_image(object(), object()))
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self.stubs.Set(self.volume.driver, '_is_cloneable', lambda x: True)
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self.assertEquals(expected,
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self.volume.driver.clone_image(object(), None))
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# Test Success Case(s)
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expected = ({'provider_location': None}, True)
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self.stubs.Set(self.volume.driver, '_parse_location',
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lambda x: ('a', 'b', 'c', 'd'))
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self.stubs.Set(self.volume.driver, '_clone', lambda *args: None)
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self.stubs.Set(self.volume.driver, '_resize', lambda *args: None)
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self.assertEquals(expected,
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self.volume.driver.clone_image(object(), object()))
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def test_clone_success(self):
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self.stubs.Set(self.volume.driver, '_is_cloneable', lambda x: True)
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self.stubs.Set(self.volume.driver, 'clone_image', lambda a, b: True)
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image_id = 'c905cedb-7281-47e4-8a62-f26bc5fc4c77'
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self.assertTrue(self.volume.driver.clone_image({}, image_id))
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def test_clone_bad_image_id(self):
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self.stubs.Set(self.volume.driver, '_is_cloneable', lambda x: True)
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self.assertFalse(self.volume.driver.clone_image({}, None))
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def test_clone_uncloneable(self):
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self.stubs.Set(self.volume.driver, '_is_cloneable', lambda x: False)
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self.assertFalse(self.volume.driver.clone_image({}, 'dne'))
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@ -521,8 +521,8 @@ class RBDDriver(driver.VolumeDriver):
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def clone_image(self, volume, image_location):
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if image_location is None or not self._is_cloneable(image_location):
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return False
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_, pool, image, snapshot = self._parse_location(image_location)
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return ({}, False)
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prefix, pool, image, snapshot = self._parse_location(image_location)
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self._clone(volume, pool, image, snapshot)
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self._resize(volume)
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return {'provider_location': None}, True
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