316 lines
12 KiB
Python
316 lines
12 KiB
Python
from datetime import datetime
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import cnr.semver
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from cnr.exception import raise_package_not_found, raise_channel_not_found, CnrException
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import features
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import data.model
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from app import storage, authentication
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from data import appr_model
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from data.database import Repository, MediaType, db_transaction
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from data.appr_model.models import NEW_MODELS
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from endpoints.appr.models_interface import (
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ApplicationManifest, ApplicationRelease, ApplicationSummaryView, AppRegistryDataInterface,
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BlobDescriptor, ChannelView, ChannelReleasesView)
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from util.audit import track_and_log
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from util.morecollections import AttrDict
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from util.names import parse_robot_username
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class ReadOnlyException(CnrException):
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status_code = 405
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errorcode = "read-only"
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def _strip_sha256_header(digest):
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if digest.startswith('sha256:'):
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return digest.split('sha256:')[1]
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return digest
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def _split_package_name(package):
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""" Returns the namespace and package-name """
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return package.split("/")
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def _join_package_name(ns, name):
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""" Returns a app-name in the 'namespace/name' format """
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return "%s/%s" % (ns, name)
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def _timestamp_to_iso(timestamp, in_ms=True):
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if in_ms:
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timestamp = timestamp / 1000
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return datetime.fromtimestamp(timestamp).isoformat()
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def _application(package):
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ns, name = _split_package_name(package)
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repo = data.model.repository.get_app_repository(ns, name)
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if repo is None:
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raise_package_not_found(package)
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return repo
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class CNRAppModel(AppRegistryDataInterface):
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def __init__(self, models_ref, is_readonly):
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self.models_ref = models_ref
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self.is_readonly = is_readonly
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def log_action(self, event_name, namespace_name, repo_name=None, analytics_name=None,
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analytics_sample=1, metadata=None):
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metadata = {} if metadata is None else metadata
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repo = None
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if repo_name is not None:
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db_repo = data.model.repository.get_repository(namespace_name, repo_name,
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kind_filter='application')
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repo = AttrDict({
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'id': db_repo.id,
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'name': db_repo.name,
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'namespace_name': db_repo.namespace_user.username,
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'is_free_namespace': db_repo.namespace_user.stripe_id is None,
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})
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track_and_log(event_name, repo, analytics_name=analytics_name,
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analytics_sample=analytics_sample, **metadata)
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def list_applications(self, namespace=None, media_type=None, search=None, username=None,
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with_channels=False):
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""" Lists all repositories that contain applications, with optional filtering to a specific
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namespace and view a specific user.
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"""
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views = []
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for repo in appr_model.package.list_packages_query(self.models_ref, namespace, media_type,
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search, username=username):
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tag_set_prefetch = getattr(repo, self.models_ref.tag_set_prefetch_name)
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releases = [t.name for t in tag_set_prefetch]
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if not releases:
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continue
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available_releases = [
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str(x) for x in sorted(cnr.semver.versions(releases, False), reverse=True)]
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channels = None
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if with_channels:
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channels = [
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ChannelView(name=chan.name, current=chan.linked_tag.name)
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for chan in appr_model.channel.get_repo_channels(repo, self.models_ref)]
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app_name = _join_package_name(repo.namespace_user.username, repo.name)
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manifests = self.list_manifests(app_name, available_releases[0])
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view = ApplicationSummaryView(
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namespace=repo.namespace_user.username,
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name=app_name,
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visibility=repo.visibility.name,
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default=available_releases[0],
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channels=channels,
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manifests=manifests,
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releases=available_releases,
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updated_at=_timestamp_to_iso(tag_set_prefetch[-1].lifetime_start),
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created_at=_timestamp_to_iso(tag_set_prefetch[0].lifetime_start),)
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views.append(view)
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return views
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def application_is_public(self, package_name):
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"""
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Returns:
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* True if the repository is public
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"""
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namespace, name = _split_package_name(package_name)
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return data.model.repository.repository_is_public(namespace, name)
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def create_application(self, package_name, visibility, owner):
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""" Create a new app repository, owner is the user who creates it """
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if self.is_readonly:
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raise ReadOnlyException('Currently in read-only mode')
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ns, name = _split_package_name(package_name)
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data.model.repository.create_repository(ns, name, owner, visibility, 'application')
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def application_exists(self, package_name):
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""" Create a new app repository, owner is the user who creates it """
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ns, name = _split_package_name(package_name)
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return data.model.repository.get_repository(ns, name, kind_filter='application') is not None
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def basic_search(self, query, username=None):
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""" Returns an array of matching AppRepositories in the format: 'namespace/name'
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Note:
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* Only 'public' repositories are returned
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Todo:
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* Filter results with readeable reposistory for the user (including visibilitys)
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"""
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return [
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_join_package_name(r.namespace_user.username, r.name)
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for r in data.model.repository.get_app_search(lookup=query, username=username, limit=50)]
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def list_releases(self, package_name, media_type=None):
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""" Return the list of all releases of an Application
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Example:
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>>> get_app_releases('ant31/rocketchat')
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['1.7.1', '1.7.0', '1.7.2']
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Todo:
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* Paginate
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"""
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return appr_model.release.get_releases(_application(package_name), self.models_ref, media_type)
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def list_manifests(self, package_name, release=None):
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""" Returns the list of all manifests of an Application.
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Todo:
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* Paginate
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"""
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try:
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repo = _application(package_name)
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return list(appr_model.manifest.get_manifest_types(repo, self.models_ref, release))
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except (Repository.DoesNotExist, self.models_ref.Tag.DoesNotExist):
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raise_package_not_found(package_name, release)
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def fetch_release(self, package_name, release, media_type):
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"""
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Retrieves an AppRelease from it's repository-name and release-name
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"""
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repo = _application(package_name)
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try:
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tag, manifest, blob = appr_model.release.get_app_release(repo, release, media_type,
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self.models_ref)
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created_at = _timestamp_to_iso(tag.lifetime_start)
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blob_descriptor = BlobDescriptor(digest=_strip_sha256_header(blob.digest),
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mediaType=blob.media_type.name, size=blob.size, urls=[])
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app_manifest = ApplicationManifest(
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digest=manifest.digest, mediaType=manifest.media_type.name, content=blob_descriptor)
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app_release = ApplicationRelease(release=tag.name, created_at=created_at, name=package_name,
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manifest=app_manifest)
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return app_release
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except (self.models_ref.Tag.DoesNotExist,
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self.models_ref.Manifest.DoesNotExist,
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self.models_ref.Blob.DoesNotExist,
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Repository.DoesNotExist,
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MediaType.DoesNotExist):
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raise_package_not_found(package_name, release, media_type)
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def store_blob(self, cnrblob, content_media_type):
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if self.is_readonly:
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raise ReadOnlyException('Currently in read-only mode')
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fp = cnrblob.packager.io_file
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path = cnrblob.upload_url(cnrblob.digest)
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locations = storage.preferred_locations
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storage.stream_write(locations, path, fp, 'application/x-gzip')
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db_blob = appr_model.blob.get_or_create_blob(cnrblob.digest, cnrblob.size, content_media_type,
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locations, self.models_ref)
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return BlobDescriptor(mediaType=content_media_type,
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digest=_strip_sha256_header(db_blob.digest), size=db_blob.size, urls=[])
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def create_release(self, package, user, visibility, force=False):
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""" Add an app-release to a repository
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package is an instance of data.cnr.package.Package
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"""
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if self.is_readonly:
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raise ReadOnlyException('Currently in read-only mode')
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manifest = package.manifest()
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ns, name = package.namespace, package.name
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repo = data.model.repository.get_or_create_repository(ns, name, user, visibility=visibility,
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repo_kind='application')
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tag_name = package.release
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appr_model.release.create_app_release(repo, tag_name, package.manifest(),
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manifest['content']['digest'], self.models_ref, force)
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def delete_release(self, package_name, release, media_type):
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""" Remove/Delete an app-release from an app-repository.
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It does not delete the entire app-repository, only a single release
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"""
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if self.is_readonly:
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raise ReadOnlyException('Currently in read-only mode')
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repo = _application(package_name)
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try:
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appr_model.release.delete_app_release(repo, release, media_type, self.models_ref)
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except (self.models_ref.Channel.DoesNotExist,
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self.models_ref.Tag.DoesNotExist,
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MediaType.DoesNotExist):
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raise_package_not_found(package_name, release, media_type)
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def release_exists(self, package, release):
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""" Return true if a release with that name already exist or
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have existed (include deleted ones) """
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# TODO: Figure out why this isn't implemented.
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def channel_exists(self, package_name, channel_name):
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""" Returns true if channel exists """
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repo = _application(package_name)
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return appr_model.tag.tag_exists(repo, channel_name, self.models_ref, "channel")
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def delete_channel(self, package_name, channel_name):
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""" Delete an AppChannel
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Note:
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It doesn't delete the AppReleases
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"""
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if self.is_readonly:
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raise ReadOnlyException('Currently in read-only mode')
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repo = _application(package_name)
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try:
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appr_model.channel.delete_channel(repo, channel_name, self.models_ref)
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except (self.models_ref.Channel.DoesNotExist, self.models_ref.Tag.DoesNotExist):
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raise_channel_not_found(package_name, channel_name)
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def list_channels(self, package_name):
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""" Returns all AppChannel for a package """
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repo = _application(package_name)
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channels = appr_model.channel.get_repo_channels(repo, self.models_ref)
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return [ChannelView(name=chan.name, current=chan.linked_tag.name) for chan in channels]
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def fetch_channel(self, package_name, channel_name, with_releases=True):
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""" Returns an AppChannel """
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repo = _application(package_name)
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try:
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channel = appr_model.channel.get_channel(repo, channel_name, self.models_ref)
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except (self.models_ref.Channel.DoesNotExist, self.models_ref.Tag.DoesNotExist):
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raise_channel_not_found(package_name, channel_name)
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if with_releases:
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releases = appr_model.channel.get_channel_releases(repo, channel, self.models_ref)
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chanview = ChannelReleasesView(
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current=channel.linked_tag.name, name=channel.name,
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releases=[channel.linked_tag.name] + [c.name for c in releases])
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else:
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chanview = ChannelView(current=channel.linked_tag.name, name=channel.name)
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return chanview
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def list_release_channels(self, package_name, release, active=True):
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repo = _application(package_name)
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try:
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channels = appr_model.channel.get_tag_channels(repo, release, self.models_ref, active=active)
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return [ChannelView(name=c.name, current=c.linked_tag.name) for c in channels]
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except (self.models_ref.Channel.DoesNotExist, self.models_ref.Tag.DoesNotExist):
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raise_package_not_found(package_name, release)
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def update_channel(self, package_name, channel_name, release):
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""" Append a new release to the AppChannel
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Returns:
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A new AppChannel with the release
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"""
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if self.is_readonly:
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raise ReadOnlyException('Currently in read-only mode')
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repo = _application(package_name)
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channel = appr_model.channel.create_or_update_channel(repo, channel_name, release,
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self.models_ref)
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return ChannelView(current=channel.linked_tag.name, name=channel.name)
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def get_blob_locations(self, digest):
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return appr_model.blob.get_blob_locations(digest, self.models_ref)
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# Phase 3: Read and write from new tables.
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model = CNRAppModel(NEW_MODELS, features.READONLY_APP_REGISTRY)
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