def get_image_layer(namespace, repository, image_id, headers):
permission = ReadRepositoryPermission(namespace, repository)
repository_ref = registry_model.lookup_repository(namespace, repository, kind_filter="image")
logger.debug("Checking repo permissions")
if permission.can() or (repository_ref is not None and repository_ref.is_public):
if repository_ref is None:
abort(404)
legacy_image = registry_model.get_legacy_image(repository_ref, image_id, include_blob=True)
if legacy_image is None:
abort(404, "Image %(image_id)s not found", issue="unknown-image", image_id=image_id)
path = legacy_image.blob.storage_path
image_pulled_bytes.labels("v1").inc(legacy_image.blob.compressed_size)
try:
logger.debug("Looking up the direct download URL for path: %s", path)
direct_download_url = store.get_direct_download_url(
legacy_image.blob.placements, path, get_request_ip()
)
if direct_download_url:
logger.debug("Returning direct download URL")
resp = redirect(direct_download_url)
return resp
# Close the database handle here for this process before we send the long download.
database.close_db_filter(None)
logger.debug("Streaming layer data")
return Response(store.stream_read(legacy_image.blob.placements, path), headers=headers)
except (IOError, AttributeError):
logger.exception("Image layer data not found")
abort(404, "Image %(image_id)s not found", issue="unknown-image", image_id=image_id)
abort(403)
def get_image_layer(namespace, repository, image_id, headers):
permission = ReadRepositoryPermission(namespace, repository)
repository_ref = registry_model.lookup_repository(namespace,
repository,
kind_filter='image')
logger.debug('Checking repo permissions')
if permission.can() or (repository_ref is not None
and repository_ref.is_public):
if repository_ref is None:
abort(404)
legacy_image = registry_model.get_legacy_image(repository_ref,
image_id,
include_blob=True)
if legacy_image is None:
abort(404,
'Image %(image_id)s not found',
issue='unknown-image',
image_id=image_id)
path = legacy_image.blob.storage_path
metric_queue.pull_byte_count.Inc(legacy_image.blob.compressed_size,
labelvalues=['v1'])
try:
logger.debug('Looking up the direct download URL for path: %s',
path)
direct_download_url = store.get_direct_download_url(
legacy_image.blob.placements, path, get_request_ip())
if direct_download_url:
logger.debug('Returning direct download URL')
resp = redirect(direct_download_url)
return resp
# Close the database handle here for this process before we send the long download.
database.close_db_filter(None)
logger.debug('Streaming layer data')
return Response(store.stream_read(legacy_image.blob.placements,
path),
headers=headers)
except (IOError, AttributeError):
logger.exception('Image layer data not found')
abort(404,
'Image %(image_id)s not found',
issue='unknown-image',
image_id=image_id)
abort(403)
def download_blob(namespace_name, repo_name, digest):
# Find the blob.
blob = registry_model.get_cached_repo_blob(model_cache, namespace_name, repo_name, digest)
if blob is None:
raise BlobUnknown()
# Build the response headers.
headers = {"Docker-Content-Digest": digest}
# If our storage supports range requests, let the client know.
if storage.get_supports_resumable_downloads(blob.placements):
headers["Accept-Ranges"] = "bytes"
image_pulled_bytes.labels("v2").inc(blob.compressed_size)
# Short-circuit by redirecting if the storage supports it.
path = blob.storage_path
logger.debug("Looking up the direct download URL for path: %s", path)
direct_download_url = storage.get_direct_download_url(blob.placements, path, get_request_ip())
if direct_download_url:
logger.debug("Returning direct download URL")
resp = redirect(direct_download_url)
resp.headers.extend(headers)
return resp
# Close the database connection before we stream the download.
logger.debug("Closing database connection before streaming layer data")
headers.update(
{
"Content-Length": blob.compressed_size,
"Content-Type": BLOB_CONTENT_TYPE,
}
)
with database.CloseForLongOperation(app.config):
# Stream the response to the client.
return Response(
storage.stream_read(blob.placements, path),
headers=headers,
)
def download_blob(namespace_name, repo_name, digest):
# Find the blob.
blob = registry_model.get_cached_repo_blob(model_cache, namespace_name,
repo_name, digest)
if blob is None:
raise BlobUnknown()
# Build the response headers.
headers = {'Docker-Content-Digest': digest}
# If our storage supports range requests, let the client know.
if storage.get_supports_resumable_downloads(blob.placements):
headers['Accept-Ranges'] = 'bytes'
metric_queue.pull_byte_count.Inc(blob.compressed_size, labelvalues=['v2'])
# Short-circuit by redirecting if the storage supports it.
path = blob.storage_path
logger.debug('Looking up the direct download URL for path: %s', path)
direct_download_url = storage.get_direct_download_url(
blob.placements, path, get_request_ip())
if direct_download_url:
logger.debug('Returning direct download URL')
resp = redirect(direct_download_url)
resp.headers.extend(headers)
return resp
# Close the database connection before we stream the download.
logger.debug('Closing database connection before streaming layer data')
with database.CloseForLongOperation(app.config):
# Stream the response to the client.
return Response(
storage.stream_read(blob.placements, path),
headers=headers.update({
'Content-Length': blob.compressed_size,
'Content-Type': BLOB_CONTENT_TYPE,
}),
)
