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Fix pulling of squashed versions of the legacy image in a manifest lists

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This commit is contained in:
Joseph Schorr 2018-11-20 16:36:49 +02:00
parent 001768c043
commit 1f03fdb27e
10 changed files with 198 additions and 31 deletions
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8
image/docker/schema2/manifest.py
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@ -30,7 +30,7 @@ DockerV2ManifestLayer = namedtuple('DockerV2ManifestLayer', ['index', 'digest',
'is_remote', 'urls',
'compressed_size'])
LayerWithV1ID = namedtuple('LayerWithV1ID', ['layer', 'v1_id', 'v1_parent_id'])
LayerWithV1ID = namedtuple('LayerWithV1ID', ['layer', 'v1_id', 'v1_parent_id', 'compressed_size'])
logger = logging.getLogger(__name__)
@ -270,7 +270,8 @@ class DockerSchema2Manifest(ManifestInterface):
digest_history.update(str(layer.index))
digest_history.update("|")
v1_layer_id = digest_history.hexdigest()
yield LayerWithV1ID(layer=layer, v1_id=v1_layer_id, v1_parent_id=v1_layer_parent_id)
yield LayerWithV1ID(layer=layer, v1_id=v1_layer_id, v1_parent_id=v1_layer_parent_id,
compressed_size=layer.compressed_size)
def populate_schema1_builder(self, v1_builder, content_retriever):
""" Populates a DockerSchema1ManifestBuilder with the layers and config from
@ -284,7 +285,8 @@ class DockerSchema2Manifest(ManifestInterface):
for layer_with_ids in reversed(layers): # Schema1 has layers in reverse order
v1_compatibility = schema2_config.build_v1_compatibility(layer_with_ids.layer.index,
layer_with_ids.v1_id,
layer_with_ids.v1_parent_id)
layer_with_ids.v1_parent_id,
layer_with_ids.compressed_size)
v1_builder.add_layer(str(layer_with_ids.layer.digest), json.dumps(v1_compatibility))
return v1_builder