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< title > lifted.queue — Lorax 32.2 documentation< / title >
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32.2
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< h1 > Source code for lifted.queue< / h1 > < div class = "highlight" > < pre >
< span > < / span > < span class = "c1" > #< / span >
< span class = "c1" > # Copyright (C) 2019 Red Hat, Inc.< / span >
< span class = "c1" > #< / span >
< span class = "c1" > # This program is free software; you can redistribute it and/or modify< / span >
< span class = "c1" > # it under the terms of the GNU General Public License as published by< / span >
< span class = "c1" > # the Free Software Foundation; either version 2 of the License, or< / span >
< span class = "c1" > # (at your option) any later version.< / span >
< span class = "c1" > #< / span >
< span class = "c1" > # This program is distributed in the hope that it will be useful,< / span >
< span class = "c1" > # but WITHOUT ANY WARRANTY; without even the implied warranty of< / span >
< span class = "c1" > # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the< / span >
< span class = "c1" > # GNU General Public License for more details.< / span >
< span class = "c1" > #< / span >
< span class = "c1" > # You should have received a copy of the GNU General Public License< / span >
< span class = "c1" > # along with this program. If not, see < http://www.gnu.org/licenses/> .< / span >
< span class = "c1" > #< / span >
< span class = "kn" > from< / span > < span class = "nn" > functools< / span > < span class = "k" > import< / span > < span class = "n" > partial< / span >
< span class = "kn" > from< / span > < span class = "nn" > glob< / span > < span class = "k" > import< / span > < span class = "n" > glob< / span >
< span class = "kn" > import< / span > < span class = "nn" > logging< / span >
< span class = "kn" > import< / span > < span class = "nn" > multiprocessing< / span >
< span class = "c1" > # We use a multiprocessing Pool for uploads so that we can cancel them with a< / span >
< span class = "c1" > # simple SIGINT, which should bubble down to subprocesses.< / span >
< span class = "kn" > from< / span > < span class = "nn" > multiprocessing< / span > < span class = "k" > import< / span > < span class = "n" > Pool< / span >
< span class = "c1" > # multiprocessing.dummy is to threads as multiprocessing is to processes.< / span >
< span class = "c1" > # Since daemonic processes can' t have children, we use a thread to monitor the< / span >
< span class = "c1" > # upload pool.< / span >
< span class = "kn" > from< / span > < span class = "nn" > multiprocessing.dummy< / span > < span class = "k" > import< / span > < span class = "n" > Process< / span >
< span class = "kn" > from< / span > < span class = "nn" > operator< / span > < span class = "k" > import< / span > < span class = "n" > attrgetter< / span >
< span class = "kn" > import< / span > < span class = "nn" > os< / span >
< span class = "kn" > import< / span > < span class = "nn" > stat< / span >
< span class = "kn" > import< / span > < span class = "nn" > time< / span >
< span class = "kn" > import< / span > < span class = "nn" > pylorax.api.toml< / span > < span class = "k" > as< / span > < span class = "nn" > toml< / span >
< span class = "kn" > from< / span > < span class = "nn" > lifted.upload< / span > < span class = "k" > import< / span > < span class = "n" > Upload< / span >
< span class = "kn" > from< / span > < span class = "nn" > lifted.providers< / span > < span class = "k" > import< / span > < span class = "n" > resolve_playbook_path< / span > < span class = "p" > ,< / span > < span class = "n" > validate_settings< / span >
< span class = "c1" > # the maximum number of simultaneous uploads< / span >
< span class = "n" > SIMULTANEOUS_UPLOADS< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span >
< span class = "n" > log< / span > < span class = "o" > =< / span > < span class = "n" > logging< / span > < span class = "o" > .< / span > < span class = "n" > getLogger< / span > < span class = "p" > (< / span > < span class = "s2" > " lifted" < / span > < span class = "p" > )< / span >
< span class = "n" > multiprocessing< / span > < span class = "o" > .< / span > < span class = "n" > log_to_stderr< / span > < span class = "p" > ()< / span > < span class = "o" > .< / span > < span class = "n" > setLevel< / span > < span class = "p" > (< / span > < span class = "n" > logging< / span > < span class = "o" > .< / span > < span class = "n" > INFO< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "nf" > _get_queue_path< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ):< / span >
< span class = "n" > path< / span > < span class = "o" > =< / span > < span class = "n" > ucfg< / span > < span class = "p" > [< / span > < span class = "s2" > " queue_dir" < / span > < span class = "p" > ]< / span >
< span class = "c1" > # create the upload_queue directory if it doesn' t exist< / span >
< span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > makedirs< / span > < span class = "p" > (< / span > < span class = "n" > path< / span > < span class = "p" > ,< / span > < span class = "n" > exist_ok< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > path< / span >
< span class = "k" > def< / span > < span class = "nf" > _get_upload_path< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ,< / span > < span class = "n" > write< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ):< / span >
< span class = "c1" > # Make sure no path elements are present< / span >
< span class = "n" > uuid< / span > < span class = "o" > =< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > basename< / span > < span class = "p" > (< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "n" > path< / span > < span class = "o" > =< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > join< / span > < span class = "p" > (< / span > < span class = "n" > _get_queue_path< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ),< / span > < span class = "n" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {uuid}< / span > < span class = "s2" > .toml" < / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > write< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > exists< / span > < span class = "p" > (< / span > < span class = "n" > path< / span > < span class = "p" > ):< / span >
< span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > path< / span > < span class = "p" > ,< / span > < span class = "s2" > " a" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > close< / span > < span class = "p" > ()< / span >
< span class = "k" > if< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > exists< / span > < span class = "p" > (< / span > < span class = "n" > path< / span > < span class = "p" > ):< / span >
< span class = "c1" > # make sure uploads aren' t readable by others, as they will contain< / span >
< span class = "c1" > # sensitive credentials< / span >
< span class = "n" > current< / span > < span class = "o" > =< / span > < span class = "n" > stat< / span > < span class = "o" > .< / span > < span class = "n" > S_IMODE< / span > < span class = "p" > (< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > lstat< / span > < span class = "p" > (< / span > < span class = "n" > path< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > st_mode< / span > < span class = "p" > )< / span >
< span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > chmod< / span > < span class = "p" > (< / span > < span class = "n" > path< / span > < span class = "p" > ,< / span > < span class = "n" > current< / span > < span class = "o" > & < / span > < span class = "o" > ~< / span > < span class = "n" > stat< / span > < span class = "o" > .< / span > < span class = "n" > S_IROTH< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > path< / span >
< span class = "k" > def< / span > < span class = "nf" > _list_upload_uuids< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ):< / span >
< span class = "n" > paths< / span > < span class = "o" > =< / span > < span class = "n" > glob< / span > < span class = "p" > (< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > join< / span > < span class = "p" > (< / span > < span class = "n" > _get_queue_path< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ),< / span > < span class = "s2" > " *" < / span > < span class = "p" > ))< / span >
< span class = "k" > return< / span > < span class = "p" > [< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > splitext< / span > < span class = "p" > (< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > basename< / span > < span class = "p" > (< / span > < span class = "n" > path< / span > < span class = "p" > ))[< / span > < span class = "mi" > 0< / span > < span class = "p" > ]< / span > < span class = "k" > for< / span > < span class = "n" > path< / span > < span class = "ow" > in< / span > < span class = "n" > paths< / span > < span class = "p" > ]< / span >
< span class = "k" > def< / span > < span class = "nf" > _write_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > upload< / span > < span class = "p" > ):< / span >
< span class = "k" > with< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > _get_upload_path< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > uuid< / span > < span class = "p" > ,< / span > < span class = "n" > write< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span > < span class = "p" > ),< / span > < span class = "s2" > " w" < / span > < span class = "p" > )< / span > < span class = "k" > as< / span > < span class = "n" > upload_file< / span > < span class = "p" > :< / span >
< span class = "n" > toml< / span > < span class = "o" > .< / span > < span class = "n" > dump< / span > < span class = "p" > (< / span > < span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > serializable< / span > < span class = "p" > (),< / span > < span class = "n" > upload_file< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "nf" > _write_callback< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "n" > partial< / span > < span class = "p" > (< / span > < span class = "n" > _write_upload< / span > < span class = "p" > ,< / span > < span class = "n" > ucfg< / span > < span class = "p" > )< / span >
< div class = "viewcode-block" id = "get_upload" > < a class = "viewcode-back" href = "../../lifted.html#lifted.queue.get_upload" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > get_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ,< / span > < span class = "n" > ignore_missing< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span > < span class = "n" > ignore_corrupt< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Get an Upload object by UUID< / span >
< span class = "sd" > :param ucfg: upload config< / span >
< span class = "sd" > :type ucfg: object< / span >
< span class = "sd" > :param uuid: UUID of the upload to get< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > :param ignore_missing: if True, don' t raise a RuntimeError when the specified upload is missing, instead just return None< / span >
< span class = "sd" > :type ignore_missing: bool< / span >
< span class = "sd" > :param ignore_corrupt: if True, don' t raise a RuntimeError when the specified upload could not be deserialized, instead just return None< / span >
< span class = "sd" > :type ignore_corrupt: bool< / span >
< span class = "sd" > :returns: the upload object or None< / span >
< span class = "sd" > :rtype: Upload or None< / span >
< span class = "sd" > :raises: RuntimeError< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "k" > with< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > _get_upload_path< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ),< / span > < span class = "s2" > " r" < / span > < span class = "p" > )< / span > < span class = "k" > as< / span > < span class = "n" > upload_file< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "n" > Upload< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > toml< / span > < span class = "o" > .< / span > < span class = "n" > load< / span > < span class = "p" > (< / span > < span class = "n" > upload_file< / span > < span class = "p" > ))< / span >
< span class = "k" > except< / span > < span class = "ne" > FileNotFoundError< / span > < span class = "k" > as< / span > < span class = "n" > error< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > ignore_missing< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "s2" > " Could not find upload < / span > < span class = "si" > {uuid}< / span > < span class = "s2" > !" < / span > < span class = "p" > )< / span > < span class = "kn" > from< / span > < span class = "nn" > error< / span >
< span class = "k" > except< / span > < span class = "n" > toml< / span > < span class = "o" > .< / span > < span class = "n" > TomlError< / span > < span class = "k" > as< / span > < span class = "n" > error< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > ignore_corrupt< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "s2" > " Could not parse upload < / span > < span class = "si" > {uuid}< / span > < span class = "s2" > !" < / span > < span class = "p" > )< / span > < span class = "kn" > from< / span > < span class = "nn" > error< / span > < / div >
< div class = "viewcode-block" id = "get_uploads" > < a class = "viewcode-back" href = "../../lifted.html#lifted.queue.get_uploads" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > get_uploads< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuids< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Gets a list of Upload objects from a list of upload UUIDs, ignoring< / span >
< span class = "sd" > missing or corrupt uploads< / span >
< span class = "sd" > :param ucfg: upload config< / span >
< span class = "sd" > :type ucfg: object< / span >
< span class = "sd" > :param uuids: list of upload UUIDs to get< / span >
< span class = "sd" > :type uuids: list of str< / span >
< span class = "sd" > :returns: a list of the uploads that were successfully deserialized< / span >
< span class = "sd" > :rtype: list of Upload< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > uploads< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "n" > get_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ,< / span > < span class = "n" > ignore_missing< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span > < span class = "p" > ,< / span > < span class = "n" > ignore_corrupt< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > uuid< / span > < span class = "ow" > in< / span > < span class = "n" > uuids< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "nb" > list< / span > < span class = "p" > (< / span > < span class = "nb" > filter< / span > < span class = "p" > (< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span > < span class = "n" > uploads< / span > < span class = "p" > ))< / span > < / div >
< div class = "viewcode-block" id = "get_all_uploads" > < a class = "viewcode-back" href = "../../lifted.html#lifted.queue.get_all_uploads" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > get_all_uploads< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Get a list of all stored Upload objects< / span >
< span class = "sd" > :param ucfg: upload config< / span >
< span class = "sd" > :type ucfg: object< / span >
< span class = "sd" > :returns: a list of all stored upload objects< / span >
< span class = "sd" > :rtype: list of Upload< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > return< / span > < span class = "n" > get_uploads< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > _list_upload_uuids< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ))< / span > < / div >
< div class = "viewcode-block" id = "create_upload" > < a class = "viewcode-back" href = "../../lifted.html#lifted.queue.create_upload" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > create_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > provider_name< / span > < span class = "p" > ,< / span > < span class = "n" > image_name< / span > < span class = "p" > ,< / span > < span class = "n" > settings< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Creates a new upload< / span >
< span class = "sd" > :param ucfg: upload config< / span >
< span class = "sd" > :type ucfg: object< / span >
< span class = "sd" > :param provider_name: the name of the cloud provider to upload to, e.g. " azure" < / span >
< span class = "sd" > :type provider_name: str< / span >
< span class = "sd" > :param image_name: what to name the image in the cloud< / span >
< span class = "sd" > :type image_name: str< / span >
< span class = "sd" > :param settings: settings to pass to the upload, specific to the cloud provider< / span >
< span class = "sd" > :type settings: dict< / span >
< span class = "sd" > :returns: the created upload object< / span >
< span class = "sd" > :rtype: Upload< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > validate_settings< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > provider_name< / span > < span class = "p" > ,< / span > < span class = "n" > settings< / span > < span class = "p" > ,< / span > < span class = "n" > image_name< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > Upload< / span > < span class = "p" > (< / span >
< span class = "n" > provider_name< / span > < span class = "o" > =< / span > < span class = "n" > provider_name< / span > < span class = "p" > ,< / span >
< span class = "n" > playbook_path< / span > < span class = "o" > =< / span > < span class = "n" > resolve_playbook_path< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > provider_name< / span > < span class = "p" > ),< / span >
< span class = "n" > image_name< / span > < span class = "o" > =< / span > < span class = "n" > image_name< / span > < span class = "p" > ,< / span >
< span class = "n" > settings< / span > < span class = "o" > =< / span > < span class = "n" > settings< / span > < span class = "p" > ,< / span >
< span class = "n" > status_callback< / span > < span class = "o" > =< / span > < span class = "n" > _write_callback< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ),< / span >
< span class = "p" > )< / span > < / div >
< div class = "viewcode-block" id = "ready_upload" > < a class = "viewcode-back" href = "../../lifted.html#lifted.queue.ready_upload" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > ready_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ,< / span > < span class = "n" > image_path< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Pass an image_path to an upload and mark it ready to execute< / span >
< span class = "sd" > :param ucfg: upload config< / span >
< span class = "sd" > :type ucfg: object< / span >
< span class = "sd" > :param uuid: the UUID of the upload to mark ready< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > :param image_path: the path of the image to pass to the upload< / span >
< span class = "sd" > :type image_path: str< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > get_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > ready< / span > < span class = "p" > (< / span > < span class = "n" > image_path< / span > < span class = "p" > ,< / span > < span class = "n" > _write_callback< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ))< / span > < / div >
< div class = "viewcode-block" id = "reset_upload" > < a class = "viewcode-back" href = "../../lifted.html#lifted.queue.reset_upload" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > reset_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ,< / span > < span class = "n" > new_image_name< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span > < span class = "n" > new_settings< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Reset an upload so it can be attempted again< / span >
< span class = "sd" > :param ucfg: upload config< / span >
< span class = "sd" > :type ucfg: object< / span >
< span class = "sd" > :param uuid: the UUID of the upload to reset< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > :param new_image_name: optionally update the upload' s image_name< / span >
< span class = "sd" > :type new_image_name: str< / span >
< span class = "sd" > :param new_settings: optionally update the upload' s settings< / span >
< span class = "sd" > :type new_settings: dict< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > upload< / span > < span class = "o" > =< / span > < span class = "n" > get_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "n" > validate_settings< / span > < span class = "p" > (< / span >
< span class = "n" > ucfg< / span > < span class = "p" > ,< / span >
< span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > provider_name< / span > < span class = "p" > ,< / span >
< span class = "n" > new_settings< / span > < span class = "ow" > or< / span > < span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > settings< / span > < span class = "p" > ,< / span >
< span class = "n" > new_image_name< / span > < span class = "ow" > or< / span > < span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > image_name< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > new_image_name< / span > < span class = "p" > :< / span >
< span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > image_name< / span > < span class = "o" > =< / span > < span class = "n" > new_image_name< / span >
< span class = "k" > if< / span > < span class = "n" > new_settings< / span > < span class = "p" > :< / span >
< span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > settings< / span > < span class = "o" > =< / span > < span class = "n" > new_settings< / span >
< span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > reset< / span > < span class = "p" > (< / span > < span class = "n" > _write_callback< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ))< / span > < / div >
< div class = "viewcode-block" id = "cancel_upload" > < a class = "viewcode-back" href = "../../lifted.html#lifted.queue.cancel_upload" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > cancel_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Cancel an upload< / span >
< span class = "sd" > :param ucfg: the compose config< / span >
< span class = "sd" > :type ucfg: ComposerConfig< / span >
< span class = "sd" > :param uuid: the UUID of the upload to cancel< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > get_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > cancel< / span > < span class = "p" > (< / span > < span class = "n" > _write_callback< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ))< / span > < / div >
< div class = "viewcode-block" id = "delete_upload" > < a class = "viewcode-back" href = "../../lifted.html#lifted.queue.delete_upload" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > delete_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Delete an upload< / span >
< span class = "sd" > :param ucfg: the compose config< / span >
< span class = "sd" > :type ucfg: ComposerConfig< / span >
< span class = "sd" > :param uuid: the UUID of the upload to delete< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > upload< / span > < span class = "o" > =< / span > < span class = "n" > get_upload< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > upload< / span > < span class = "ow" > and< / span > < span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > is_cancellable< / span > < span class = "p" > ():< / span >
< span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > cancel< / span > < span class = "p" > ()< / span >
< span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > _get_upload_path< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ))< / span > < / div >
< div class = "viewcode-block" id = "start_upload_monitor" > < a class = "viewcode-back" href = "../../lifted.html#lifted.queue.start_upload_monitor" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > start_upload_monitor< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Start a thread that manages the upload queue< / span >
< span class = "sd" > :param ucfg: the compose config< / span >
< span class = "sd" > :type ucfg: ComposerConfig< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > process< / span > < span class = "o" > =< / span > < span class = "n" > Process< / span > < span class = "p" > (< / span > < span class = "n" > target< / span > < span class = "o" > =< / span > < span class = "n" > _monitor< / span > < span class = "p" > ,< / span > < span class = "n" > args< / span > < span class = "o" > =< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ,))< / span >
< span class = "n" > process< / span > < span class = "o" > .< / span > < span class = "n" > daemon< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "n" > process< / span > < span class = "o" > .< / span > < span class = "n" > start< / span > < span class = "p" > ()< / span > < / div >
< span class = "k" > def< / span > < span class = "nf" > _monitor< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ):< / span >
< span class = "n" > log< / span > < span class = "o" > .< / span > < span class = "n" > info< / span > < span class = "p" > (< / span > < span class = "s2" > " Started upload monitor." < / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > upload< / span > < span class = "ow" > in< / span > < span class = "n" > get_all_uploads< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ):< / span >
< span class = "c1" > # Set abandoned uploads to FAILED< / span >
< span class = "k" > if< / span > < span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > status< / span > < span class = "o" > ==< / span > < span class = "s2" > " RUNNING" < / span > < span class = "p" > :< / span >
< span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > set_status< / span > < span class = "p" > (< / span > < span class = "s2" > " FAILED" < / span > < span class = "p" > ,< / span > < span class = "n" > _write_callback< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ))< / span >
< span class = "n" > pool< / span > < span class = "o" > =< / span > < span class = "n" > Pool< / span > < span class = "p" > (< / span > < span class = "n" > processes< / span > < span class = "o" > =< / span > < span class = "n" > SIMULTANEOUS_UPLOADS< / span > < span class = "p" > )< / span >
< span class = "n" > pool_uuids< / span > < span class = "o" > =< / span > < span class = "nb" > set< / span > < span class = "p" > ()< / span >
< span class = "k" > def< / span > < span class = "nf" > remover< / span > < span class = "p" > (< / span > < span class = "n" > uuid< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "k" > lambda< / span > < span class = "n" > _< / span > < span class = "p" > :< / span > < span class = "n" > pool_uuids< / span > < span class = "o" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "k" > while< / span > < span class = "kc" > True< / span > < span class = "p" > :< / span >
< span class = "c1" > # Every second, scoop up READY uploads from the filesystem and throw< / span >
< span class = "c1" > # them in the pool< / span >
< span class = "n" > all_uploads< / span > < span class = "o" > =< / span > < span class = "n" > get_all_uploads< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > upload< / span > < span class = "ow" > in< / span > < span class = "nb" > sorted< / span > < span class = "p" > (< / span > < span class = "n" > all_uploads< / span > < span class = "p" > ,< / span > < span class = "n" > key< / span > < span class = "o" > =< / span > < span class = "n" > attrgetter< / span > < span class = "p" > (< / span > < span class = "s2" > " creation_time" < / span > < span class = "p" > )):< / span >
< span class = "n" > ready< / span > < span class = "o" > =< / span > < span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > status< / span > < span class = "o" > ==< / span > < span class = "s2" > " READY" < / span >
< span class = "k" > if< / span > < span class = "n" > ready< / span > < span class = "ow" > and< / span > < span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > uuid< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > pool_uuids< / span > < span class = "p" > :< / span >
< span class = "n" > log< / span > < span class = "o" > .< / span > < span class = "n" > info< / span > < span class = "p" > (< / span > < span class = "s2" > " Starting upload < / span > < span class = "si" > %s< / span > < span class = "s2" > ..." < / span > < span class = "p" > ,< / span > < span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "n" > pool_uuids< / span > < span class = "o" > .< / span > < span class = "n" > add< / span > < span class = "p" > (< / span > < span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "n" > callback< / span > < span class = "o" > =< / span > < span class = "n" > remover< / span > < span class = "p" > (< / span > < span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "n" > pool< / span > < span class = "o" > .< / span > < span class = "n" > apply_async< / span > < span class = "p" > (< / span >
< span class = "n" > upload< / span > < span class = "o" > .< / span > < span class = "n" > execute< / span > < span class = "p" > ,< / span >
< span class = "p" > (< / span > < span class = "n" > _write_callback< / span > < span class = "p" > (< / span > < span class = "n" > ucfg< / span > < span class = "p" > ),),< / span >
< span class = "n" > callback< / span > < span class = "o" > =< / span > < span class = "n" > callback< / span > < span class = "p" > ,< / span >
< span class = "n" > error_callback< / span > < span class = "o" > =< / span > < span class = "n" > callback< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "n" > time< / span > < span class = "o" > .< / span > < span class = "n" > sleep< / span > < span class = "p" > (< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
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