eecc4ff1c0
It turns out skopeo *does* support not saying the tag, but I couldn't find it in the docs. Asking the author in https://github.com/containers/skopeo/issues/2354 yielded that this can be requested as `@@unknown-digest@@`. So now we have a perfectly cromulent docker upload chain, yay!! Change-Id: I256f3cbeef4fe28b3d68d0dda57f02cdaee3996b
69 lines
2.4 KiB
Text
69 lines
2.4 KiB
Text
import json
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import logging
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from pathlib import Path
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import tempfile
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import requests
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from .environment import DockerTarget, RelengEnvironment
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from .version import VERSION, MAJOR
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from . import gitutils
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from .docker_assemble import Registry, OCIIndex, OCIIndexItem
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from . import docker_assemble
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log = logging.getLogger(__name__)
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log.setLevel(logging.INFO)
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def check_all_logins(env: RelengEnvironment):
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for target in env.docker_targets:
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check_login(target)
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def check_login(target: DockerTarget):
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log.info('Checking login for %s', target.registry_name)
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skopeo login @(target.registry_name())
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def upload_docker_images(target: DockerTarget, paths: list[Path]):
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if not paths: return
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sess = requests.Session()
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sess.headers['User-Agent'] = 'lix-releng'
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tag_names = [DockerTarget.resolve(tag, version=VERSION, major=MAJOR) for tag in target.tags]
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# latest only gets tagged for the current release branch of Lix
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if not gitutils.is_maintenance_branch('HEAD'):
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tag_names.append('latest')
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meta = {}
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reg = docker_assemble.Registry(sess)
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manifests = []
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with tempfile.TemporaryDirectory() as tmp:
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tmp = Path(tmp)
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for path in paths:
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digest_file = tmp / (path.name + '.digest')
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inspection = json.loads($(skopeo inspect docker-archive:@(path)))
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docker_arch = inspection['Architecture']
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docker_os = inspection['Os']
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meta = inspection['Labels']
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log.info('Pushing image %s for %s to %s', path, docker_arch, target.registry_path)
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# insecure-policy: we don't have any signature policy, we are just uploading an image
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skopeo --insecure-policy copy --digestfile @(digest_file) --all docker-archive:@(path) f'docker://{target.registry_path}@@unknown-digest@@'
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digest = digest_file.read_text().strip()
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# skopeo doesn't give us the manifest size directly, so we just ask the registry
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metadata = reg.image_info(target.registry_path, digest)
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manifests.append(OCIIndexItem(metadata=metadata, architecture=docker_arch, os=docker_os))
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log.info('Pushed images to %r, building a bigger and more menacing manifest from %r with metadata %r', target, manifests, meta)
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# send the multiarch manifest to each tag
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index = OCIIndex(manifests=manifests, annotations=meta)
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for tag in tag_names:
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reg.upload_index(target.registry_path, tag, index)
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