Source code for craft_providers.lxd.remotes
#
# Copyright 2021-2022 Canonical Ltd.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License version 3 as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
"""Remote helper utilities."""
import logging
from .lxc import LXC
logger = logging.getLogger(__name__)
BUILDD_REMOTE_NAME = "craft-com.ubuntu.cloud-buildd"
BUILDD_REMOTE_ADDR = "https://cloud-images.ubuntu.com/buildd/releases"
[docs]def configure_buildd_image_remote(
lxc: LXC = LXC(),
) -> str:
"""Configure buildd remote, adding remote as required.
:param lxc: LXC client.
:returns: Name of remote to pass to launcher.
"""
if BUILDD_REMOTE_NAME in lxc.remote_list():
logger.debug("Remote %r already exists.", BUILDD_REMOTE_NAME)
else:
try:
lxc.remote_add(
remote=BUILDD_REMOTE_NAME,
addr=BUILDD_REMOTE_ADDR,
protocol="simplestreams",
)
except Exception as exc: # pylint: disable=broad-except
# the remote adding failed, no matter really how: if it was because a race
# condition on remote creation (it's not idempotent) and now the remote is
# there, the purpose of this function is done (otherwise we let the
# original exception fly)
if BUILDD_REMOTE_NAME in lxc.remote_list():
logger.debug(
"Remote %r is present on second check, ignoring exception %r.",
BUILDD_REMOTE_NAME,
exc,
)
else:
raise
else:
logger.debug("Remote %r was successfully added.", BUILDD_REMOTE_NAME)
return BUILDD_REMOTE_NAME