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Avoid rebinding tmpfs data volumes when recreating containers

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Signed-off-by: Joffrey F <joffrey@docker.com>
This commit is contained in:
Joffrey F 2017-04-25 14:51:53 -07:00
parent da78c2c1db
commit bbdbc35924
3 changed files with 37 additions and 9 deletions
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16
tests/unit/service_test.py
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@ -858,6 +858,7 @@ class ServiceVolumesTest(unittest.TestCase):
'/new/volume',
'/existing/volume',
'named:/named/vol',
'/dev/tmpfs'
]]
self.mock_client.inspect_image.return_value = {
@ -903,15 +904,18 @@ class ServiceVolumesTest(unittest.TestCase):
VolumeSpec.parse('imagedata:/mnt/image/data:rw'),
]
volumes = get_container_data_volumes(container, options)
volumes = get_container_data_volumes(container, options, ['/dev/tmpfs'])
assert sorted(volumes) == sorted(expected)
def test_merge_volume_bindings(self):
options = [
VolumeSpec.parse('/host/volume:/host/volume:ro', True),
VolumeSpec.parse('/host/rw/volume:/host/rw/volume', True),
VolumeSpec.parse('/new/volume', True),
VolumeSpec.parse('/existing/volume', True),
VolumeSpec.parse(v, True) for v in [
'/host/volume:/host/volume:ro',
'/host/rw/volume:/host/rw/volume',
'/new/volume',
'/existing/volume',
'/dev/tmpfs'
]
]
self.mock_client.inspect_image.return_value = {
@ -936,7 +940,7 @@ class ServiceVolumesTest(unittest.TestCase):
'existingvolume:/existing/volume:rw',
]
binds, affinity = merge_volume_bindings(options, previous_container)
binds, affinity = merge_volume_bindings(options, ['/dev/tmpfs'], previous_container)
assert sorted(binds) == sorted(expected)
assert affinity == {'affinity:container': '=cdefab'}