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components.py
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components.py
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import collections.abc
import dataclasses
import datetime
import dataclasses_json
import enum
import http
import io
import logging
import tarfile
import aiohttp.web
import dacite.exceptions
import dateutil.parser
import sqlalchemy as sa
import sqlalchemy.ext.asyncio as sqlasync
import sqlalchemy.orm.query as sq
import yaml
import ci.util
import cnudie.iter
import cnudie.iter_async
import cnudie.retrieve
import cnudie.retrieve_async
import cnudie.util
import dso.model
import gci.oci
import github.util
import oci.client_async
import oci.model as om
import ocm
import version as versionutil
import compliance_summary as cs
import consts
import deliverydb.model as dm
import deliverydb.util
import features
import lookups
import responsibles
import responsibles.github_statistics
import responsibles.labels
import util
import yp
logger = logging.getLogger(__name__)
@dataclasses.dataclass(frozen=True)
class ComponentVector:
'''
Holds two component objects of the same Component, but different Versions.
Represents a change in the component version from old_component to new_component.
'''
start: ocm.Component
end: ocm.Component
cache_existing_components = []
async def check_if_component_exists(
component_name: str,
version_lookup: cnudie.retrieve_async.VersionLookupByComponent,
raise_http_error: bool=False,
):
if component_name in cache_existing_components:
return True
for _ in await version_lookup(component_name, None):
cache_existing_components.append(component_name)
return True
if raise_http_error:
raise aiohttp.web.HTTPNotFound(text=f'{component_name=} not found')
return False
def get_creation_date(component: ocm.Component) -> datetime.datetime:
'''
Trys to extract creation date from creationTime attribute and if not set from label with name
"cloud.gardener/ocm/creation-date".
Raises KeyError, if both is not successful.
'''
if (creationTime := component.creationTime):
return dateutil.parser.isoparse(creationTime)
creation_label: ocm.Label | None = component.find_label('cloud.gardener/ocm/creation-date')
if not creation_label:
raise KeyError(
'The attribute creation time, as well as the',
'label named "cloud.gardener/ocm/creation-date", were not set.',
)
else:
return dateutil.parser.isoparse(creation_label.value)
async def greatest_version_if_none(
component_name: str,
version: str,
version_lookup: cnudie.retrieve_async.VersionLookupByComponent=None,
ocm_repo: ocm.OcmRepository=None,
oci_client: oci.client_async.Client=None,
version_filter: features.VersionFilter=features.VersionFilter.RELEASES_ONLY,
invalid_semver_ok: bool=False,
):
if version is None:
version = await greatest_component_version(
component_name=component_name,
version_lookup=version_lookup,
ocm_repo=ocm_repo,
oci_client=oci_client,
version_filter=version_filter,
invalid_semver_ok=invalid_semver_ok,
)
if not version:
raise aiohttp.web.HTTPNotFound(
reason='No greatest version found',
text=f'No greatest version found for {component_name=}; {version_filter=}',
)
return version
async def _component_descriptor(
params: dict,
component_descriptor_lookup: cnudie.retrieve_async.ComponentDescriptorLookupById,
version_lookup: cnudie.retrieve_async.VersionLookupByComponent,
version_filter: features.VersionFilter,
invalid_semver_ok: bool=False,
) -> ocm.ComponentDescriptor:
component_name = util.param(params, 'component_name', required=True)
ocm_repo_url = util.param(params, 'ocm_repo_url')
ocm_repo = ocm.OciOcmRepository(baseUrl=ocm_repo_url) if ocm_repo_url else None
version = util.param(params, 'version', default='greatest')
raw = util.param_as_bool(params, 'raw')
ignore_cache = util.param_as_bool(params, 'ignore_cache')
version_filter = util.param(params, 'version_filter', default=version_filter)
util.get_enum_value_or_raise(version_filter, features.VersionFilter)
if version == 'greatest':
version = await greatest_version_if_none(
component_name=component_name,
version=None,
version_lookup=version_lookup,
ocm_repo=ocm_repo,
version_filter=version_filter,
invalid_semver_ok=invalid_semver_ok,
)
component_id = ocm.ComponentIdentity(
name=component_name,
version=version,
)
if ocm_repo_url:
ocm_repos = (ocm_repo_url,)
else:
if not (lookup := lookups.init_ocm_repository_lookup()):
raise ValueError('either ocm_repo_url, or ocm_repository_lookup must be passed')
ocm_repos = cnudie.retrieve.iter_ocm_repositories(
component_id,
lookup,
)
if raw or ignore_cache:
# in both cases fetch directly from oci-registry
try:
raw = await cnudie.retrieve_async.raw_component_descriptor_from_oci(
component_id=component_id,
ocm_repos=ocm_repos,
oci_client=lookups.semver_sanitised_oci_client_async(),
)
except om.OciImageNotFoundException:
raise aiohttp.web.HTTPNotFound(
reason='Component descriptor not found',
text=(
f'Component descriptor "{component_id.name}" in version '
f'"{component_id.version}" not found in {ocm_repo=}'
),
)
# wrap in fobj
blob_fobj = io.BytesIO(raw)
with tarfile.open(fileobj=blob_fobj, mode='r') as tf:
component_descriptor_info = tf.getmember(gci.oci.component_descriptor_fname)
component_descriptor_bytes = tf.extractfile(component_descriptor_info).read()
if raw:
component_descriptor = component_descriptor_bytes.decode()
else:
try:
component_descriptor = ocm.ComponentDescriptor.from_dict(
yaml.safe_load(component_descriptor_bytes),
)
except dacite.exceptions.MissingValueError as e:
raise aiohttp.web.HTTPFailedDependency(
reason=str(e),
)
return component_descriptor
try:
descriptor = await util.retrieve_component_descriptor(
component_id,
component_descriptor_lookup=component_descriptor_lookup,
ocm_repo=ocm_repo,
)
except dacite.exceptions.MissingValueError as e:
raise aiohttp.web.HTTPFailedDependency(
reason=str(e),
)
return descriptor
class Component(aiohttp.web.View):
async def get(self):
'''
---
tags:
- Components
produces:
- application/json
parameters:
- in: query
name: component_name
type: string
required: true
- in: query
name: version
type: string
required: false
default: greatest
- in: query
name: ocm_repo_url
type: string
required: false
- in: query
name: raw
type: boolean
required: false
default: false
- in: query
name: ignore_cache
type: boolean
required: false
default: false
- in: query
name: version_filter
type: string
enum:
- all
- releases_only
required: false
'''
params = self.request.rel_url.query
component_descriptor = await _component_descriptor(
params=params,
component_descriptor_lookup=self.request.app[consts.APP_COMPONENT_DESCRIPTOR_LOOKUP],
version_lookup=self.request.app[consts.APP_VERSION_LOOKUP],
version_filter=self.request.app[consts.APP_VERSION_FILTER_CALLBACK](),
invalid_semver_ok=self.request.app[consts.APP_INVALID_SEMVER_OK],
)
return aiohttp.web.json_response(
data=component_descriptor,
dumps=util.dict_to_json_factory,
)
class ComponentDependencies(aiohttp.web.View):
async def get(self):
'''
---
tags:
- Components
produces:
- application/json
parameters:
- in: query
name: component_name
type: string
required: true
- in: query
name: version
type: string
required: false
default: greatest
- in: query
name: ocm_repo_url
type: string
required: false
- in: query
name: populate
type: string
enum:
- all
- componentReferences
required: false
default: all
- in: query
name: version_filter
type: string
enum:
- all
- releases_only
required: false
'''
params = self.request.rel_url.query
component_name = util.param(params, 'component_name', required=True)
populate = util.param(params, 'populate', default='all')
ocm_repo_url = util.param(params, 'ocm_repo_url')
ocm_repo = ocm.OciOcmRepository(baseUrl=ocm_repo_url) if ocm_repo_url else None
version = util.param(params, 'version', default='greatest')
version_filter = util.param(
params=params,
name='version_filter',
default=self.request.app[consts.APP_VERSION_FILTER_CALLBACK](),
)
util.get_enum_value_or_raise(version_filter, features.VersionFilter)
if version == 'greatest':
version = await greatest_version_if_none(
component_name=component_name,
version=None,
version_lookup=self.request.app[consts.APP_VERSION_LOOKUP],
ocm_repo=ocm_repo,
version_filter=version_filter,
invalid_semver_ok=self.request.app[consts.APP_INVALID_SEMVER_OK],
)
component_dependencies = resolve_component_dependencies(
component_name=component_name,
component_version=version,
component_descriptor_lookup=self.request.app[consts.APP_COMPONENT_DESCRIPTOR_LOOKUP],
ocm_repo=ocm_repo,
)
filtered_component_dependencies = []
async for component_node in component_dependencies:
if populate == 'componentReferences':
component_dependency = {
'name': component_node.component.name,
'version': component_node.component.version,
'repositoryContexts': component_node.component.repositoryContexts,
}
elif populate == 'all':
component_dependency = dataclasses.asdict(component_node.component)
else:
raise aiohttp.web.HTTPBadRequest(text=f'{populate} not implemented')
component_dependency['comp_ref'] = [
{
'name': ref.component.name,
'version': ref.component.version,
'repositoryContexts': ref.component.repositoryContexts,
}
for ref in component_node.path
]
filtered_component_dependencies.append(component_dependency)
return aiohttp.web.json_response(
data={
'componentDependencies': filtered_component_dependencies,
},
dumps=util.dict_to_json_factory,
)
class ComponentResponsibles(aiohttp.web.View):
async def get(self):
'''
---
description:
Returns a list of user-identities responsible for the given component or resource.
tags:
- Components
produces:
- application/json
parameters:
- in: query
name: component_name
type: string
required: true
- in: query
name: version
type: string
required: false
default: greatest
- in: query
name: artifact_name
type: string
required: false
description:
If given and specific responsibles are configured for the given artefact, (using label
`cloud.gardener.cnudie/responsibles`), then those take precedence over component-wide
responsibles.
- in: query
name: ocm_repo_url
type: string
required: false
- in: query
name: raw
type: boolean
required: false
default: false
- in: query
name: ignore_cache
type: boolean
required: false
default: false
- in: query
name: version_filter
type: string
enum:
- all
- releases_only
required: false
responses:
"200":
description: Successful operation.
schema:
$ref: '#/definitions/ComponentResponsibles'
"202":
description: GitHub statistics pending, client should retry.
'''
params = self.request.rel_url.query
statuses: list[responsibles.Status] = []
component_descriptor = await _component_descriptor(
params=params,
component_descriptor_lookup=self.request.app[consts.APP_COMPONENT_DESCRIPTOR_LOOKUP],
version_lookup=self.request.app[consts.APP_VERSION_LOOKUP],
version_filter=self.request.app[consts.APP_VERSION_FILTER_CALLBACK](),
invalid_semver_ok=self.request.app[consts.APP_INVALID_SEMVER_OK],
)
component = component_descriptor.component
main_source = cnudie.util.main_source(component_descriptor.component)
artifact_name = util.param(params, 'artifact_name')
def _responsibles_label(
component: ocm.Component,
artifact_name: str | None=None,
owners_label: str='cloud.gardener.cnudie/responsibles',
) -> responsibles.labels.ResponsiblesLabel | None:
'''
Returns the most specific ResponsiblesLabel for the given component and artifact name,
or `None` if no label is found.
If `artifact_name` is given, a fitting artifact with an owner label is looked up and
the attached label is returned. Otherwise, a fallback to component-level owner-label
happens.
'''
if artifact_name:
matching_artifacts = [
a for a in component.resources + component.sources
if a.name == artifact_name
]
if not matching_artifacts:
raise aiohttp.web.HTTPNotFound(
text=f'{component.name}:{component.version} has no {artifact_name=}'
)
for artifact in matching_artifacts:
artifact: ocm.Artifact
# hack: hard-code to using first matching artifact with label for now
if responsibles_label := artifact.find_label(name=owners_label):
return responsibles.labels.ResponsiblesLabel.from_dict(
data_dict=dataclasses.asdict(responsibles_label),
)
if responsibles_label := component.find_label(name=owners_label):
return responsibles.labels.ResponsiblesLabel.from_dict(
data_dict=dataclasses.asdict(responsibles_label),
)
return None
try:
responsibles_label = _responsibles_label(
component=component,
artifact_name=artifact_name,
)
except (
dacite.exceptions.UnionMatchError,
dacite.exceptions.WrongTypeError,
dacite.exceptions.UnexpectedDataError,
):
responsibles_label = None # fallback to heuristic
statuses.append(responsibles.Status(
type='error',
msg='responsibles-label malformed, falling back to responsibles-heuristic',
))
logger.warning(
'encountered errors while processing responsibles-label for '
f'{component.identity()=}, {artifact_name=}'
)
if responsibles_label:
user_identities = tuple(responsibles.user_identities_from_responsibles_label(
responsibles_label=responsibles_label,
source=main_source,
component_identity=component_descriptor.component.identity(),
github_api_lookup=self.request.app[consts.APP_GITHUB_API_LOOKUP],
))
else:
try:
user_identities = responsibles.user_identities_from_source(
source=main_source,
github_api_lookup=self.request.app[consts.APP_GITHUB_API_LOOKUP],
)
except ValueError:
user_identities = []
statuses.append(responsibles.Status(
type='error',
msg='responsibles-heuristic was not able to determine responsibles as '
'(github) statistics are incomplete',
))
if user_identities is None: # can be falsy
# github statistics pending, client should retry
return aiohttp.web.Response(
status=http.HTTPStatus.ACCEPTED,
)
user_identities = [
yp.inject(
addressbook_source=self.request.app[consts.APP_ADDRESSBOOK_SOURCE],
addressbook_entries=self.request.app[consts.APP_ADDRESSBOOK_ENTRIES],
addressbook_github_mappings=self.request.app[consts.APP_ADDRESSBOOK_GITHUB_MAPPINGS],
user_id=user_id,
).identifiers
for user_id in user_identities
]
return aiohttp.web.json_response(
data={
'responsibles': user_identities,
'statuses': [dataclasses.asdict(s) for s in statuses],
},
dumps=util.dict_to_json_factory,
)
async def component_versions(
component_name: str,
version_lookup: cnudie.retrieve_async.VersionLookupByComponent=None,
ocm_repo: ocm.OcmRepository=None,
oci_client: oci.client_async.Client=None,
) -> list[str]:
if not ocm_repo and not version_lookup:
raise ValueError('At least one of `ocm_repo` and `version_lookup` must be specified')
if ocm_repo:
if not isinstance(ocm_repo, ocm.OciOcmRepository):
raise NotImplementedError(ocm_repo)
if not oci_client:
oci_client = lookups.semver_sanitised_oci_client_async()
try:
return await cnudie.retrieve_async.component_versions(
component_name=component_name,
ctx_repo=ocm_repo,
oci_client=oci_client,
)
except aiohttp.ClientResponseError:
return []
return await version_lookup(
component_id=ocm.ComponentIdentity(
name=component_name,
version=None
),
)
async def greatest_component_version(
component_name: str,
version_lookup: cnudie.retrieve_async.VersionLookupByComponent=None,
ocm_repo: ocm.OcmRepository=None,
oci_client: oci.client_async.Client=None,
version_filter: features.VersionFilter=features.VersionFilter.RELEASES_ONLY,
invalid_semver_ok: bool=False,
) -> str | None:
versions = await component_versions(
component_name=component_name,
version_lookup=version_lookup,
ocm_repo=ocm_repo,
oci_client=oci_client,
)
greatest_candidate = None
greatest_candidate_semver = None
for candidate in versions:
if isinstance(candidate, str):
candidate_semver = versionutil.parse_to_semver(
version=candidate,
invalid_semver_ok=invalid_semver_ok,
)
if not candidate_semver:
continue
else:
candidate_semver = candidate
if (
version_filter == features.VersionFilter.RELEASES_ONLY
and (candidate_semver.prerelease or candidate_semver.build)
):
continue
if not greatest_candidate_semver:
greatest_candidate_semver = candidate_semver
greatest_candidate = candidate
continue
if candidate_semver > greatest_candidate_semver:
greatest_candidate_semver = candidate_semver
greatest_candidate = candidate
return greatest_candidate
async def greatest_component_versions(
component_name: str,
component_descriptor_lookup: cnudie.retrieve_async.ComponentDescriptorLookupById,
ocm_repo: ocm.OcmRepository=None,
version_lookup: cnudie.retrieve_async.VersionLookupByComponent=None,
max_versions: int=5,
greatest_version: str=None,
oci_client: oci.client_async.Client=None,
version_filter: features.VersionFilter=features.VersionFilter.RELEASES_ONLY,
invalid_semver_ok: bool=False,
start_date: datetime.date=None,
end_date: datetime.date=None,
) -> list[str]:
versions = await component_versions(
component_name=component_name,
version_lookup=version_lookup,
ocm_repo=ocm_repo,
oci_client=oci_client,
)
if not versions:
return []
versions = [
v for v in versions
if versionutil.parse_to_semver(
version=v,
invalid_semver_ok=invalid_semver_ok,
)
]
if version_filter == features.VersionFilter.RELEASES_ONLY:
versions = [
v for v in versions
if not (pv := versionutil.parse_to_semver(
version=v,
invalid_semver_ok=invalid_semver_ok,
)).prerelease and not pv.build
]
versions = sorted(versions, key=lambda v: versionutil.parse_to_semver(
version=v,
invalid_semver_ok=invalid_semver_ok,
))
# If no end_date is provided, default to now
if not end_date:
end_date = datetime.date.today().isoformat()
# Handle date range filtering only if start_date is provided
if start_date:
async def filter_by_date_range(versions):
for version in reversed(versions):
component_descriptor = await util.retrieve_component_descriptor(
ocm.ComponentIdentity(
name=component_name,
version=version,
),
component_descriptor_lookup
)
creation_date = get_creation_date(
component_descriptor.component
).strftime('%Y-%m-%d')
if creation_date > end_date:
continue
if creation_date < start_date:
break
yield version
versions = [
version async for version
in filter_by_date_range(versions)
]
if greatest_version:
versions = versions[:versions.index(greatest_version) + 1]
if not start_date:
return versions[-max_versions:]
return versions
class GreatestComponentVersions(aiohttp.web.View):
async def get(self):
'''
---
tags:
- Components
produces:
- application/json
parameters:
- in: query
name: component_name
type: string
required: true
- in: query
name: version
type: string
required: false
- in: query
name: ocm_repo_url
type: string
required: false
- in: query
name: max
type: integer
required: false
default: 5
- in: query
name: start_date
type: string
required: false
- in: query
name: end_date
type: string
required: false
- in: query
name: version_filter
type: string
enum:
- all
- releases_only
required: false
responses:
"200":
description: Successful operation.
schema:
type: array
items:
type: string
'''
params = self.request.rel_url.query
component_name = util.param(params, 'component_name', required=True)
max_version = util.param(params, 'max', default=5)
start_date = util.param(params, 'start_date')
end_date = util.param(params, 'end_date')
version = util.param(params, 'version')
ocm_repo_url = util.param(params, 'ocm_repo_url')
ocm_repo = ocm.OciOcmRepository(baseUrl=ocm_repo_url) if ocm_repo_url else None
version_filter = util.param(
params=params,
name='version_filter',
default=self.request.app[consts.APP_VERSION_FILTER_CALLBACK](),
)
util.get_enum_value_or_raise(version_filter, features.VersionFilter)
try:
versions = await greatest_component_versions(
component_name=component_name,
component_descriptor_lookup=self.request.app[consts.APP_COMPONENT_DESCRIPTOR_LOOKUP],
ocm_repo=ocm_repo,
version_lookup=self.request.app[consts.APP_VERSION_LOOKUP],
max_versions=int(max_version),
greatest_version=version,
version_filter=version_filter,
invalid_semver_ok=self.request.app[consts.APP_INVALID_SEMVER_OK],
start_date=start_date,
end_date=end_date,
)
except ValueError:
raise aiohttp.web.HTTPNotFound(text=f'Version {version} not found')
return aiohttp.web.json_response(
data=versions,
dumps=util.dict_to_json_factory,
)
async def resolve_component_dependencies(
component_name: str,
component_version: str,
component_descriptor_lookup: cnudie.retrieve_async.ComponentDescriptorLookupById,
ocm_repo: ocm.OcmRepository=None,
recursion_depth: int=-1,
) -> collections.abc.AsyncGenerator[cnudie.iter.ComponentNode, None, None]:
descriptor = await util.retrieve_component_descriptor(
ocm.ComponentIdentity(
name=component_name,
version=component_version,
),
component_descriptor_lookup=component_descriptor_lookup,
ocm_repo=ocm_repo,
)
component = descriptor.component
try:
component_nodes = await _components(
component_name=component.name,
component_version=component.version,
component_descriptor_lookup=component_descriptor_lookup,
ocm_repo=ocm_repo,
recursion_depth=recursion_depth,
)
except dacite.exceptions.MissingValueError as e:
raise aiohttp.web.HTTPFailedDependency(text=str(e))
# add repo classification label if not present in component labels
async for component_node in component_nodes:
label_present = False
# if no sources present we cannot add the source
if not len(component_node.component.sources) > 0:
continue
for source in component_node.component.sources:
if 'cloud.gardener/cicd/source' in [label.name for label in source.labels]:
label_present = True
break
if not label_present:
component_node.component.sources[0].labels.append(ocm.Label(
name='cloud.gardener/cicd/source',
value={'repository-classification': 'main'},
))
yield component_node
class UpgradePRs(aiohttp.web.View):
required_features = (features.FeatureUpgradePRs,)
async def get(self):
'''
---
tags:
- Components
produces:
- application/json
parameters:
- in: query
name: componentName
type: string
required: false
- in: query
name: componentVersion
type: string
required: false
- in: query
name: repoUrl
type: string
required: false
- in: query
name: state
type: string
enum:
- all
- open
- closed
required: false
default: open
- in: query
name: ocmRepo
type: string
required: false
- in: query
name: version_filter
type: string
enum:
- all
- releases_only
required: false
'''
params = self.request.rel_url.query
component_name = util.param(params, 'componentName')
component_version = util.param(params, 'componentVersion')
repo_url = util.param(params, 'repoUrl')
pr_state = util.param(params, 'state', default='open')
ocm_repo_url = util.param(params, 'ocmRepo')
ocm_repo = ocm.OciOcmRepository(baseUrl=ocm_repo_url) if ocm_repo_url else None
version_filter = util.param(
params=params,
name='version_filter',
default=self.request.app[consts.APP_VERSION_FILTER_CALLBACK](),
)
util.get_enum_value_or_raise(version_filter, features.VersionFilter)
if not (bool(component_name) ^ bool(repo_url)):
raise aiohttp.web.HTTPBadRequest(
text='Exactly one of componentName and repoUrl must be passed',
)
if component_name:
component_version = await greatest_version_if_none(
component_name=component_name,
version=component_version,
version_lookup=self.request.app[consts.APP_VERSION_LOOKUP],
ocm_repo=ocm_repo,
version_filter=version_filter,
invalid_semver_ok=self.request.app[consts.APP_INVALID_SEMVER_OK],
)
component_descriptor = await util.retrieve_component_descriptor(
ocm.ComponentIdentity(
name=component_name,
version=component_version,
),
component_descriptor_lookup=self.request.app[consts.APP_COMPONENT_DESCRIPTOR_LOOKUP],
ocm_repo=ocm_repo,
)
component = component_descriptor.component
source = cnudie.util.main_source(
component=component,
absent_ok=True,
)
repo_url = source.access.repoUrl if source else component_name
gh_api = self.request.app[consts.APP_GITHUB_API_LOOKUP](
repo_url,
absent_ok=True,
)
if not gh_api:
# todo: rather raise/return http-error?
logger.warning(f'no github-cfg found for {repo_url=}')
return aiohttp.web.json_response(
data=[],
)
parsed_url = ci.util.urlparse(repo_url)
org, repo = parsed_url.path.strip('/').split('/')
try:
pr_helper = github.util.PullRequestUtil(
owner=org,
name=repo,
github_api=gh_api,
)
except RuntimeError:
# Component source repository not found
return aiohttp.web.json_response(
data=[],
)
upgrade_prs: collections.abc.Iterable[github.util.UpgradePullRequest] = pr_helper.enumerate_upgrade_pull_requests( # noqa:E501
state=pr_state,
pattern=self.request.app[consts.APP_UPR_REGEX_CALLBACK](),
)
def upgrade_pr_to_dict(upgrade_pr):
from_ref: ocm.ComponentReference = upgrade_pr.from_ref
to_ref: ocm.ComponentReference = upgrade_pr.to_ref
pr = upgrade_pr.pull_request
return {
'from': {
'name': from_ref.name,
'version': from_ref.version,
},
'to': {
'name': to_ref.name,
'version': to_ref.version,