/
project_clone.py
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/
project_clone.py
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#
# Copyright 2020 - Swiss Data Science Center (SDSC)
# A partnership between École Polytechnique Fédérale de Lausanne (EPFL) and
# Eidgenössische Technische Hochschule Zürich (ETHZ).
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Utilities for renku service controllers."""
import shutil
from renku.command.clone import project_clone_command
from renku.core.util.contexts import renku_project_context
from renku.ui.service.cache.models.project import Project
from renku.ui.service.logger import service_log
from renku.ui.service.views.decorators import requires_cache
@requires_cache
def user_project_clone(cache, user_data, project_data):
"""Clones the project for a given user."""
if "project_id" in project_data:
project_data.pop("project_id")
user = cache.ensure_user(user_data)
project = cache.make_project(user, project_data, persist=False)
# NOTE: Create parent dir so lock file can be created.
project.abs_path.parent.mkdir(parents=True, exist_ok=True)
with project.write_lock(), renku_project_context(project.abs_path, check_git_path=False):
git_url = project_data.get("git_url")
if git_url is not None:
try:
# NOTE: If two requests ran at the same time, by the time we acquire the lock a project might already
# be cloned by an earlier request.
found_project = Project.get(
(Project.user_id == user_data["user_id"])
& (Project.git_url == git_url)
& (Project.project_id != project.project_id)
)
except ValueError:
pass
else:
service_log.debug(f"project already cloned, skipping clone: {git_url}")
return found_project
if project.abs_path.exists():
# NOTE: Remove dir since a previous clone might have failed somewhere in the middle.
shutil.rmtree(str(project.abs_path))
project.abs_path.mkdir(parents=True, exist_ok=True)
repo, project.initialized = (
project_clone_command()
.build()
.execute(
project_data["url_with_auth"],
path=project.abs_path,
depth=project_data["depth"],
raise_git_except=True,
config={
"user.name": project_data["fullname"],
"user.email": project_data["email"],
"pull.rebase": False,
},
checkout_revision=project_data["branch"],
)
).output
project.save()
service_log.debug(f"project successfully cloned: {repo}")
return project