def _write_test_image(self, url, manifest):
image, tag = image_uploader.BaseImageUploader._image_tag_from_url(
url)
blob_dir = os.path.join(
image_export.IMAGE_EXPORT_DIR, 'v2', image[1:], 'blobs')
image_export.make_dir(blob_dir)
if manifest.get('schemaVersion', 2) == 1:
config_str = None
manifest_type = image_uploader.MEDIA_MANIFEST_V1
layers = list(reversed([x['blobSum']
for x in manifest['fsLayers']]))
else:
config_str = '{"config": {}}'
manifest_type = image_uploader.MEDIA_MANIFEST_V2
layers = [x['digest'] for x in manifest['layers']]
manifest_str = json.dumps(manifest)
calc_digest = hashlib.sha256()
calc_digest.update(manifest_str.encode('utf-8'))
manifest_digest = 'sha256:%s' % calc_digest.hexdigest()
image_export.export_manifest_config(
url, manifest_str, manifest_type, config_str
)
for digest in layers:
blob_path = os.path.join(blob_dir, '%s.gz' % digest)
with open(blob_path, 'w+') as f:
f.write('The Blob')
return manifest_digest
def _write_test_image(self, url, manifest):
image, tag = image_uploader.BaseImageUploader._image_tag_from_url(
url)
blob_dir = os.path.join(
image_export.IMAGE_EXPORT_DIR, 'v2', image[1:], 'blobs')
image_export.make_dir(blob_dir)
if manifest.get('schemaVersion', 2) == 1:
config_str = None
manifest_type = image_uploader.MEDIA_MANIFEST_V1
layers = list(reversed([l['blobSum']
for l in manifest['fsLayers']]))
else:
config_str = '{"config": {}}'
manifest_type = image_uploader.MEDIA_MANIFEST_V2
layers = [l['digest'] for l in manifest['layers']]
manifest_str = json.dumps(manifest)
calc_digest = hashlib.sha256()
calc_digest.update(manifest_str.encode('utf-8'))
manifest_digest = 'sha256:%s' % calc_digest.hexdigest()
image_export.export_manifest_config(
url, manifest_str, manifest_type, config_str
)
for digest in layers:
blob_path = os.path.join(blob_dir, '%s.gz' % digest)
with open(blob_path, 'w+') as f:
f.write('The Blob')
return manifest_digest
def test_export_manifest_config(self):
target_url = urlparse('docker://localhost:8787/t/nova-api:latest')
config_str = '{"config": {}}'
config_digest = 'sha256:1234'
manifest = {
'config': {
'digest': config_digest,
'size': 2,
'mediaType': 'application/vnd.docker.container.image.v1+json'
},
'layers': [
{
'digest': 'sha256:aeb786'
},
{
'digest': 'sha256:4dc536'
},
],
'mediaType': 'application/vnd.docker.'
'distribution.manifest.v2+json',
}
catalog = {'repositories': ['t/nova-api']}
manifest_str = json.dumps(manifest)
calc_digest = hashlib.sha256()
calc_digest.update(manifest_str.encode('utf-8'))
manifest_digest = 'sha256:%s' % calc_digest.hexdigest()
image_export.export_manifest_config(target_url, manifest_str,
image_uploader.MEDIA_MANIFEST_V2,
config_str)
catalog_path = os.path.join(image_export.IMAGE_EXPORT_DIR,
'v2/_catalog')
config_path = os.path.join(image_export.IMAGE_EXPORT_DIR,
'v2/t/nova-api/blobs/sha256:1234')
manifest_path = os.path.join(image_export.IMAGE_EXPORT_DIR,
'v2/t/nova-api/manifests',
manifest_digest, 'index.json')
manifest_htaccess_path = os.path.join(image_export.IMAGE_EXPORT_DIR,
'v2/t/nova-api/manifests',
manifest_digest, '.htaccess')
expected_htaccess = '''Header set Content-Type "%s"
Header set Docker-Content-Digest "%s"
Header set ETag "%s"
''' % ('application/vnd.docker.distribution.manifest.v2+json', manifest_digest,
manifest_digest)
with open(catalog_path, 'r') as f:
self.assertEqual(catalog, json.load(f))
with open(config_path, 'r') as f:
self.assertEqual(config_str, f.read())
with open(manifest_path, 'r') as f:
self.assertEqual(manifest_str, f.read())
with open(manifest_htaccess_path, 'r') as f:
self.assertEqual(expected_htaccess, f.read())
def _write_test_image(self, url, manifest):
image, tag = image_uploader.BaseImageUploader._image_tag_from_url(url)
blob_dir = os.path.join(image_export.IMAGE_EXPORT_DIR, 'v2', image[1:],
'blobs')
image_export.make_dir(blob_dir)
config_str = '{"config": {}}'
manifest_str = json.dumps(manifest)
calc_digest = hashlib.sha256()
calc_digest.update(manifest_str.encode('utf-8'))
manifest_digest = 'sha256:%s' % calc_digest.hexdigest()
image_export.export_manifest_config(url, manifest_str,
image_uploader.MEDIA_MANIFEST_V2,
config_str)
for layer in manifest['layers']:
blob_path = os.path.join(blob_dir, '%s.gz' % layer['digest'])
with open(blob_path, 'w+') as f:
f.write('The Blob')
return manifest_digest
def test_export_manifest_config(self):
target_url = urlparse('docker://localhost:8787/t/nova-api:latest')
config_str = '{"config": {}}'
config_digest = 'sha256:1234'
manifest = {
'config': {
'digest': config_digest,
'size': 2,
'mediaType': 'application/vnd.docker.container.image.v1+json'
},
'layers': [
{'digest': 'sha256:aeb786'},
{'digest': 'sha256:4dc536'},
],
'mediaType': 'application/vnd.docker.'
'distribution.manifest.v2+json',
}
catalog = {'repositories': ['t/nova-api']}
manifest_str = json.dumps(manifest)
calc_digest = hashlib.sha256()
calc_digest.update(manifest_str.encode('utf-8'))
manifest_digest = 'sha256:%s' % calc_digest.hexdigest()
image_export.export_manifest_config(
target_url, manifest_str,
image_uploader.MEDIA_MANIFEST_V2, config_str
)
catalog_path = os.path.join(
image_export.IMAGE_EXPORT_DIR,
'v2/_catalog'
)
config_path = os.path.join(
image_export.IMAGE_EXPORT_DIR,
'v2/t/nova-api/blobs/sha256:1234'
)
manifest_path = os.path.join(
image_export.IMAGE_EXPORT_DIR,
'v2/t/nova-api/manifests',
manifest_digest,
'index.json'
)
manifest_htaccess_path = os.path.join(
image_export.IMAGE_EXPORT_DIR,
'v2/t/nova-api/manifests',
manifest_digest,
'.htaccess'
)
expected_htaccess = '''Header set Content-Type "%s"
Header set Docker-Content-Digest "%s"
Header set ETag "%s"
''' % (
'application/vnd.docker.distribution.manifest.v2+json',
manifest_digest,
manifest_digest
)
with open(catalog_path, 'r') as f:
self.assertEqual(catalog, json.load(f))
with open(config_path, 'r') as f:
self.assertEqual(config_str, f.read())
with open(manifest_path, 'r') as f:
self.assertEqual(manifest_str, f.read())
with open(manifest_htaccess_path, 'r') as f:
self.assertEqual(expected_htaccess, f.read())