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< h1 > Source code for pylorax.api.queue< / h1 > < div class = "highlight" > < pre >
< span class = "c" > # Copyright (C) 2018 Red Hat, Inc.< / span >
< span class = "c" > #< / span >
< span class = "c" > # This program is free software; you can redistribute it and/or modify< / span >
< span class = "c" > # it under the terms of the GNU General Public License as published by< / span >
< span class = "c" > # the Free Software Foundation; either version 2 of the License, or< / span >
< span class = "c" > # (at your option) any later version.< / span >
< span class = "c" > #< / span >
< span class = "c" > # This program is distributed in the hope that it will be useful,< / span >
< span class = "c" > # but WITHOUT ANY WARRANTY; without even the implied warranty of< / span >
< span class = "c" > # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the< / span >
< span class = "c" > # GNU General Public License for more details.< / span >
< span class = "c" > #< / span >
< span class = "c" > # You should have received a copy of the GNU General Public License< / span >
< span class = "c" > # along with this program. If not, see < http://www.gnu.org/licenses/> .< / span >
< span class = "c" > #< / span >
< span class = "sd" > " " " Functions to monitor compose queue and run anaconda" " " < / span >
< span class = "kn" > import< / span > < span class = "nn" > logging< / 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 = "s" > " pylorax" < / span > < span class = "p" > )< / span >
< span class = "kn" > import< / span > < span class = "nn" > os< / span >
< span class = "kn" > import< / span > < span class = "nn" > grp< / span >
< span class = "kn" > from< / span > < span class = "nn" > glob< / span > < span class = "kn" > import< / span > < span class = "n" > glob< / span >
< span class = "kn" > import< / span > < span class = "nn" > multiprocessing< / span > < span class = "kn" > as< / span > < span class = "nn" > mp< / span >
< span class = "kn" > import< / span > < span class = "nn" > pytoml< / span > < span class = "kn" > as< / span > < span class = "nn" > toml< / span >
< span class = "kn" > import< / span > < span class = "nn" > pwd< / span >
< span class = "kn" > import< / span > < span class = "nn" > shutil< / span >
< span class = "kn" > import< / span > < span class = "nn" > subprocess< / span >
< span class = "kn" > from< / span > < span class = "nn" > subprocess< / span > < span class = "kn" > import< / span > < span class = "n" > Popen< / span > < span class = "p" > ,< / span > < span class = "n" > PIPE< / span >
< span class = "kn" > import< / span > < span class = "nn" > time< / span >
< span class = "kn" > from< / span > < span class = "nn" > pylorax.api.compose< / span > < span class = "kn" > import< / span > < span class = "n" > move_compose_results< / span >
< span class = "kn" > from< / span > < span class = "nn" > pylorax.api.recipes< / span > < span class = "kn" > import< / span > < span class = "n" > recipe_from_file< / span >
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< span class = "kn" > from< / span > < span class = "nn" > pylorax.api.timestamp< / span > < span class = "kn" > import< / span > < span class = "n" > TS_CREATED< / span > < span class = "p" > ,< / span > < span class = "n" > TS_STARTED< / span > < span class = "p" > ,< / span > < span class = "n" > TS_FINISHED< / span > < span class = "p" > ,< / span > < span class = "n" > write_timestamp< / span > < span class = "p" > ,< / span > < span class = "n" > timestamp_dict< / span >
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< span class = "kn" > from< / span > < span class = "nn" > pylorax.base< / span > < span class = "kn" > import< / span > < span class = "n" > DataHolder< / span >
< span class = "kn" > from< / span > < span class = "nn" > pylorax.creator< / span > < span class = "kn" > import< / span > < span class = "n" > run_creator< / span >
< span class = "kn" > from< / span > < span class = "nn" > pylorax.sysutils< / span > < span class = "kn" > import< / span > < span class = "n" > joinpaths< / span >
< div class = "viewcode-block" id = "start_queue_monitor" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.start_queue_monitor" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > start_queue_monitor< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uid< / span > < span class = "p" > ,< / span > < span class = "n" > gid< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Start the queue monitor as a mp process< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: ComposerConfig< / span >
< span class = "sd" > :param uid: User ID that owns the queue< / span >
< span class = "sd" > :type uid: int< / span >
< span class = "sd" > :param gid: Group ID that owns the queue< / span >
< span class = "sd" > :type gid: int< / span >
< span class = "sd" > :returns: None< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > lib_dir< / span > < span class = "o" > =< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " lib_dir" < / span > < span class = "p" > )< / span >
< span class = "n" > share_dir< / span > < span class = "o" > =< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " share_dir" < / span > < span class = "p" > )< / span >
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< span class = "n" > tmp< / span > < span class = "o" > =< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " tmp" < / span > < span class = "p" > )< / span >
< span class = "n" > monitor_cfg< / span > < span class = "o" > =< / span > < span class = "n" > DataHolder< / span > < span class = "p" > (< / span > < span class = "n" > composer_dir< / span > < span class = "o" > =< / span > < span class = "n" > lib_dir< / span > < span class = "p" > ,< / span > < span class = "n" > share_dir< / span > < span class = "o" > =< / span > < span class = "n" > share_dir< / span > < span class = "p" > ,< / span > < span class = "n" > uid< / span > < span class = "o" > =< / span > < span class = "n" > uid< / span > < span class = "p" > ,< / span > < span class = "n" > gid< / span > < span class = "o" > =< / span > < span class = "n" > gid< / span > < span class = "p" > ,< / span > < span class = "n" > tmp< / span > < span class = "o" > =< / span > < span class = "n" > tmp< / span > < span class = "p" > )< / span >
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< span class = "n" > p< / span > < span class = "o" > =< / span > < span class = "n" > mp< / 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" > monitor_cfg< / span > < span class = "p" > ,))< / span >
< span class = "n" > p< / span > < span class = "o" > .< / span > < span class = "n" > daemon< / span > < span class = "o" > =< / span > < span class = "bp" > True< / span >
< span class = "n" > p< / span > < span class = "o" > .< / span > < span class = "n" > start< / span > < span class = "p" > ()< / span >
< / div >
< div class = "viewcode-block" id = "monitor" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.monitor" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > monitor< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Monitor the queue for new compose requests< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: DataHolder< / span >
< span class = "sd" > :returns: Does not return< / span >
< span class = "sd" > The queue has 2 subdirectories, new and run. When a compose is ready to be run< / span >
< span class = "sd" > a symlink to the uniquely named results directory should be placed in ./queue/new/< / span >
< span class = "sd" > When the it is ready to be run (it is checked every 30 seconds or after a previous< / span >
< span class = "sd" > compose is finished) the symlink will be moved into ./queue/run/ and a STATUS file< / span >
< span class = "sd" > will be created in the results directory.< / span >
< span class = "sd" > STATUS can contain one of: RUNNING, FINISHED, FAILED< / span >
< span class = "sd" > If the system is restarted while a compose is running it will move any old symlinks< / span >
< span class = "sd" > from ./queue/run/ to ./queue/new/ and rerun them.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > def< / span > < span class = "nf" > queue_sort< / span > < span class = "p" > (< / span > < span class = "n" > uuid< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Sort the queue entries by their mtime, not their names" " " < / span >
< span class = "k" > return< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > stat< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > composer_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " queue/new" < / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ))< / span > < span class = "o" > .< / span > < span class = "n" > st_mtime< / span >
< span class = "c" > # Move any symlinks in the run queue back to the new queue< / span >
< span class = "k" > for< / span > < span class = "n" > link< / span > < span class = "ow" > in< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > listdir< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > composer_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " queue/run" < / span > < span class = "p" > )):< / span >
< span class = "n" > src< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > composer_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " queue/run" < / span > < span class = "p" > ,< / span > < span class = "n" > link< / span > < span class = "p" > )< / span >
< span class = "n" > dst< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > composer_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " queue/new" < / span > < span class = "p" > ,< / span > < span class = "n" > link< / span > < span class = "p" > )< / span >
< span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > rename< / span > < span class = "p" > (< / span > < span class = "n" > src< / span > < span class = "p" > ,< / span > < span class = "n" > dst< / span > < span class = "p" > )< / span >
< span class = "n" > log< / span > < span class = "o" > .< / span > < span class = "n" > debug< / span > < span class = "p" > (< / span > < span class = "s" > " Moved unfinished compose < / span > < span class = "si" > %s< / span > < span class = "s" > back to new state" < / span > < span class = "p" > ,< / span > < span class = "n" > src< / span > < span class = "p" > )< / span >
< span class = "k" > while< / span > < span class = "bp" > True< / span > < span class = "p" > :< / span >
< span class = "n" > uuids< / span > < span class = "o" > =< / span > < span class = "nb" > sorted< / span > < span class = "p" > (< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > listdir< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > composer_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " queue/new" < / span > < span class = "p" > )),< / span > < span class = "n" > key< / span > < span class = "o" > =< / span > < span class = "n" > queue_sort< / span > < span class = "p" > )< / span >
< span class = "c" > # Pick the oldest and move it into ./run/< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > uuids< / span > < span class = "p" > :< / span >
< span class = "c" > # No composes left to process, sleep for a bit< / span >
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< span class = "n" > time< / span > < span class = "o" > .< / span > < span class = "n" > sleep< / span > < span class = "p" > (< / span > < span class = "mi" > 5< / span > < span class = "p" > )< / span >
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< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > src< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > composer_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " queue/new" < / span > < span class = "p" > ,< / span > < span class = "n" > uuids< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ])< / span >
< span class = "n" > dst< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > composer_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " queue/run" < / span > < span class = "p" > ,< / span > < span class = "n" > uuids< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ])< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > rename< / span > < span class = "p" > (< / span > < span class = "n" > src< / span > < span class = "p" > ,< / span > < span class = "n" > dst< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "ne" > OSError< / span > < span class = "p" > :< / span >
< span class = "c" > # The symlink may vanish if uuid_cancel() has been called< / span >
< span class = "k" > continue< / span >
< span class = "n" > log< / span > < span class = "o" > .< / span > < span class = "n" > info< / span > < span class = "p" > (< / span > < span class = "s" > " Starting new compose: < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "p" > ,< / span > < span class = "n" > dst< / span > < span class = "p" > )< / span >
< span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > dst< / span > < span class = "p" > ,< / span > < span class = "s" > " STATUS" < / span > < span class = "p" > ),< / span > < span class = "s" > " w" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > write< / span > < span class = "p" > (< / span > < span class = "s" > " RUNNING< / span > < span class = "se" > \n< / span > < span class = "s" > " < / span > < span class = "p" > )< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > make_compose< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / 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" > realpath< / span > < span class = "p" > (< / span > < span class = "n" > dst< / 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 = "s" > " Finished building < / span > < span class = "si" > %s< / span > < span class = "s" > , results are in < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "p" > ,< / span > < span class = "n" > dst< / 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" > realpath< / span > < span class = "p" > (< / span > < span class = "n" > dst< / span > < span class = "p" > ))< / span >
< span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > dst< / span > < span class = "p" > ,< / span > < span class = "s" > " STATUS" < / span > < span class = "p" > ),< / span > < span class = "s" > " w" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > write< / span > < span class = "p" > (< / span > < span class = "s" > " FINISHED< / span > < span class = "se" > \n< / span > < span class = "s" > " < / span > < span class = "p" > )< / span >
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< span class = "n" > write_timestamp< / span > < span class = "p" > (< / span > < span class = "n" > dst< / span > < span class = "p" > ,< / span > < span class = "n" > TS_FINISHED< / span > < span class = "p" > )< / span >
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< span class = "k" > except< / span > < span class = "ne" > Exception< / span > < span class = "p" > :< / span >
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< span class = "kn" > import< / span > < span class = "nn" > traceback< / span >
< span class = "n" > log< / span > < span class = "o" > .< / span > < span class = "n" > error< / span > < span class = "p" > (< / span > < span class = "s" > " traceback: < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "p" > ,< / span > < span class = "n" > traceback< / span > < span class = "o" > .< / span > < span class = "n" > format_exc< / span > < span class = "p" > ())< / span >
< span class = "c" > # TODO - Write the error message to an ERROR-LOG file to include with the status< / span >
< span class = "c" > # log.error(" Error running compose: %s" , e)< / span >
< span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > dst< / span > < span class = "p" > ,< / span > < span class = "s" > " STATUS" < / span > < span class = "p" > ),< / span > < span class = "s" > " w" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > write< / span > < span class = "p" > (< / span > < span class = "s" > " FAILED< / span > < span class = "se" > \n< / span > < span class = "s" > " < / span > < span class = "p" > )< / span >
2018-08-14 00:00:02 +00:00
< span class = "n" > write_timestamp< / span > < span class = "p" > (< / span > < span class = "n" > dst< / span > < span class = "p" > ,< / span > < span class = "n" > TS_FINISHED< / span > < span class = "p" > )< / span >
2018-03-15 21:04:29 +00:00
< span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > unlink< / span > < span class = "p" > (< / span > < span class = "n" > dst< / span > < span class = "p" > )< / span >
< / div >
< div class = "viewcode-block" id = "make_compose" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.make_compose" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > make_compose< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > results_dir< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Run anaconda with the final-kickstart.ks from results_dir< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: DataHolder< / span >
< span class = "sd" > :param results_dir: The directory containing the metadata and results for the build< / span >
< span class = "sd" > :type results_dir: str< / span >
< span class = "sd" > :returns: Nothing< / span >
< span class = "sd" > :raises: May raise various exceptions< / span >
< span class = "sd" > This takes the final-kickstart.ks, and the settings in config.toml and runs Anaconda< / span >
< span class = "sd" > in no-virt mode (directly on the host operating system). Exceptions should be caught< / span >
< span class = "sd" > at the higer level.< / span >
< span class = "sd" > If there is a failure, the build artifacts will be cleaned up, and any logs will be< / span >
< span class = "sd" > moved into logs/anaconda/ and their ownership will be set to the user from the cfg< / span >
< span class = "sd" > object.< / span >
< span class = "sd" > " " " < / span >
< span class = "c" > # Check on the ks' s presence< / span >
< span class = "n" > ks_path< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " final-kickstart.ks" < / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > ks_path< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " Missing kickstart file at < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "o" > %< / span > < span class = "n" > ks_path< / span > < span class = "p" > )< / span >
< span class = "c" > # The anaconda logs are copied into ./anaconda/ in this directory< / span >
< span class = "n" > log_dir< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " logs/" < / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > log_dir< / span > < span class = "p" > ):< / span >
< span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > makedirs< / span > < span class = "p" > (< / span > < span class = "n" > log_dir< / span > < span class = "p" > )< / span >
< span class = "c" > # Load the compose configuration< / span >
< span class = "n" > cfg_path< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " config.toml" < / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > cfg_path< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " Missing config.toml for < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "o" > %< / span > < span class = "n" > results_dir< / span > < span class = "p" > )< / span >
< span class = "n" > cfg_dict< / span > < span class = "o" > =< / span > < span class = "n" > toml< / span > < span class = "o" > .< / span > < span class = "n" > loads< / span > < span class = "p" > (< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > cfg_path< / span > < span class = "p" > ,< / span > < span class = "s" > " r" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > read< / span > < span class = "p" > ())< / span >
< span class = "c" > # The keys in cfg_dict correspond to the arguments setup in livemedia-creator< / span >
< span class = "c" > # keys that define what to build should be setup in compose_args, and keys with< / span >
< span class = "c" > # defaults should be setup here.< / span >
< span class = "c" > # Make sure that image_name contains no path components< / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " image_name" < / span > < span class = "p" > ]< / 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" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " image_name" < / span > < span class = "p" > ])< / span >
< span class = "c" > # Only support novirt installation, set some other defaults< / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " no_virt" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "bp" > True< / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " disk_image" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "bp" > None< / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " fs_image" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "bp" > None< / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " keep_image" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "bp" > False< / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " domacboot" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "bp" > False< / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " anaconda_args" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "s" > " " < / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " proxy" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "s" > " " < / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " armplatform" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "s" > " " < / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " squashfs_args" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "bp" > None< / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " lorax_templates" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > share_dir< / span >
2018-05-16 23:23:14 +00:00
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " tmp" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > tmp< / span >
2018-03-15 21:04:29 +00:00
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " dracut_args" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "bp" > None< / span > < span class = "c" > # Use default args for dracut< / span >
< span class = "c" > # Compose things in a temporary directory inside the results directory< / span >
< span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " result_dir" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " compose" < / span > < span class = "p" > )< / span >
< span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > makedirs< / span > < span class = "p" > (< / span > < span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " result_dir" < / span > < span class = "p" > ])< / span >
< span class = "n" > install_cfg< / span > < span class = "o" > =< / span > < span class = "n" > DataHolder< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > cfg_dict< / span > < span class = "p" > )< / span >
< span class = "c" > # Some kludges for the 99-copy-logs %post, failure in it will crash the build< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "p" > [< / span > < span class = "s" > " /tmp/NOSAVE_INPUT_KS" < / span > < span class = "p" > ,< / span > < span class = "s" > " /tmp/NOSAVE_LOGS" < / span > < span class = "p" > ]:< / span >
< span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "p" > ,< / span > < span class = "s" > " w" < / span > < span class = "p" > )< / span >
< span class = "c" > # Placing a CANCEL file in the results directory will make execWithRedirect send anaconda a SIGTERM< / span >
< span class = "k" > def< / span > < span class = "nf" > cancel_build< / span > < span class = "p" > ():< / span >
< span class = "k" > return< / 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" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " CANCEL" < / span > < span class = "p" > ))< / span >
< span class = "n" > log< / span > < span class = "o" > .< / span > < span class = "n" > debug< / span > < span class = "p" > (< / span > < span class = "s" > " cfg = < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "p" > ,< / span > < span class = "n" > install_cfg< / span > < span class = "p" > )< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > test_path< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " TEST" < / span > < span class = "p" > )< / span >
2018-08-14 00:00:02 +00:00
< span class = "n" > write_timestamp< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ,< / span > < span class = "n" > TS_STARTED< / span > < span class = "p" > )< / span >
2018-03-15 21:04:29 +00:00
< 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" > test_path< / span > < span class = "p" > ):< / span >
< span class = "c" > # Pretend to run the compose< / span >
2018-06-29 20:46:27 +00:00
< span class = "n" > time< / span > < span class = "o" > .< / span > < span class = "n" > sleep< / span > < span class = "p" > (< / span > < span class = "mi" > 5< / span > < span class = "p" > )< / span >
2018-03-15 21:04:29 +00:00
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > test_mode< / span > < span class = "o" > =< / span > < span class = "nb" > int< / span > < span class = "p" > (< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > test_path< / span > < span class = "p" > ,< / span > < span class = "s" > " r" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > read< / span > < span class = "p" > ())< / span >
< span class = "k" > except< / span > < span class = "ne" > Exception< / span > < span class = "p" > :< / span >
< span class = "n" > test_mode< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span >
< span class = "k" > if< / span > < span class = "n" > test_mode< / span > < span class = "o" > ==< / span > < span class = "mi" > 1< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " TESTING FAILED compose" < / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ,< / span > < span class = "n" > install_cfg< / span > < span class = "o" > .< / span > < span class = "n" > image_name< / span > < span class = "p" > ),< / span > < span class = "s" > " w" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > write< / span > < span class = "p" > (< / span > < span class = "s" > " TEST IMAGE" < / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > run_creator< / span > < span class = "p" > (< / span > < span class = "n" > install_cfg< / span > < span class = "p" > ,< / span > < span class = "n" > callback_func< / span > < span class = "o" > =< / span > < span class = "n" > cancel_build< / span > < span class = "p" > )< / span >
< span class = "c" > # Extract the results of the compose into results_dir and cleanup the compose directory< / span >
< span class = "n" > move_compose_results< / span > < span class = "p" > (< / span > < span class = "n" > install_cfg< / span > < span class = "p" > ,< / span > < span class = "n" > results_dir< / span > < span class = "p" > )< / span >
< span class = "k" > finally< / span > < span class = "p" > :< / span >
2018-05-16 23:23:14 +00:00
< span class = "c" > # Make sure any remaining temporary directories are removed (eg. if there was an exception)< / span >
< span class = "k" > for< / span > < span class = "n" > d< / span > < span class = "ow" > in< / span > < span class = "n" > glob< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > tmp< / span > < span class = "p" > ,< / span > < span class = "s" > " lmc-*" < / 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" > isdir< / span > < span class = "p" > (< / span > < span class = "n" > d< / span > < span class = "p" > ):< / span >
< span class = "n" > shutil< / span > < span class = "o" > .< / span > < span class = "n" > rmtree< / span > < span class = "p" > (< / span > < span class = "n" > d< / span > < span class = "p" > )< / span >
< span class = "k" > elif< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > isfile< / span > < span class = "p" > (< / span > < span class = "n" > d< / span > < span class = "p" > ):< / span >
< span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > unlink< / span > < span class = "p" > (< / span > < span class = "n" > d< / span > < span class = "p" > )< / span >
2018-03-15 21:04:29 +00:00
< span class = "c" > # Make sure that everything under the results directory is owned by the user< / span >
< span class = "n" > user< / span > < span class = "o" > =< / span > < span class = "n" > pwd< / span > < span class = "o" > .< / span > < span class = "n" > getpwuid< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > uid< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > pw_name< / span >
< span class = "n" > group< / span > < span class = "o" > =< / span > < span class = "n" > grp< / span > < span class = "o" > .< / span > < span class = "n" > getgrgid< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > gid< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > gr_name< / span >
< span class = "n" > log< / span > < span class = "o" > .< / span > < span class = "n" > debug< / span > < span class = "p" > (< / span > < span class = "s" > " Install finished, chowning results to < / span > < span class = "si" > %s< / span > < span class = "s" > :< / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "p" > ,< / span > < span class = "n" > user< / span > < span class = "p" > ,< / span > < span class = "n" > group< / span > < span class = "p" > )< / span >
< span class = "n" > subprocess< / span > < span class = "o" > .< / span > < span class = "n" > call< / span > < span class = "p" > ([< / span > < span class = "s" > " chown" < / span > < span class = "p" > ,< / span > < span class = "s" > " -R" < / span > < span class = "p" > ,< / span > < span class = "s" > " < / span > < span class = "si" > %s< / span > < span class = "s" > :< / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > user< / span > < span class = "p" > ,< / span > < span class = "n" > group< / span > < span class = "p" > ),< / span > < span class = "n" > results_dir< / span > < span class = "p" > ])< / span >
< / div >
< div class = "viewcode-block" id = "get_compose_type" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.get_compose_type" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > get_compose_type< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Return the type of composition.< / span >
< span class = "sd" > :param results_dir: The directory containing the metadata and results for the build< / span >
< span class = "sd" > :type results_dir: str< / span >
< span class = "sd" > :returns: The type of compose (eg. ' tar' )< / span >
< span class = "sd" > :rtype: str< / span >
< span class = "sd" > :raises: RuntimeError if no kickstart template can be found.< / span >
< span class = "sd" > " " " < / span >
< span class = "c" > # Should only be 2 kickstarts, the final-kickstart.ks and the template< / span >
< span class = "n" > t< / span > < span class = "o" > =< / 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" > ks< / span > < span class = "p" > )[:< / span > < span class = "o" > -< / span > < span class = "mi" > 3< / span > < span class = "p" > ]< / span > < span class = "k" > for< / span > < span class = "n" > ks< / span > < span class = "ow" > in< / span > < span class = "n" > glob< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " *.ks" < / span > < span class = "p" > ))< / span >
< span class = "k" > if< / span > < span class = "s" > " final-kickstart" < / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > ks< / span > < span class = "p" > ]< / span >
< span class = "k" > if< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > t< / span > < span class = "p" > )< / span > < span class = "o" > !=< / span > < span class = "mi" > 1< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " Cannot find ks template for build < / span > < span class = "si" > %s< / span > < span class = "s" > " < / 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" > results_dir< / span > < span class = "p" > ))< / span >
< span class = "k" > return< / span > < span class = "n" > t< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]< / span >
< / div >
< div class = "viewcode-block" id = "compose_detail" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.compose_detail" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > compose_detail< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Return details about the build.< / span >
< span class = "sd" > :param results_dir: The directory containing the metadata and results for the build< / span >
< span class = "sd" > :type results_dir: str< / span >
< span class = "sd" > :returns: A dictionary with details about the compose< / span >
< span class = "sd" > :rtype: dict< / span >
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< span class = "sd" > :raises: IOError if it cannot read the directory, STATUS, or blueprint file.< / span >
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< span class = "sd" > The following details are included in the dict:< / span >
< span class = "sd" > * id - The uuid of the comoposition< / span >
< span class = "sd" > * queue_status - The final status of the composition (FINISHED or FAILED)< / span >
< span class = "sd" > * compose_type - The type of output generated (tar, iso, etc.)< / span >
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< span class = "sd" > * blueprint - Blueprint name< / span >
< span class = "sd" > * version - Blueprint version< / span >
< span class = "sd" > * image_size - Size of the image, if finished. 0 otherwise.< / span >
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< span class = "sd" > Various timestamps are also included in the dict. These are all Unix UTC timestamps.< / span >
< span class = "sd" > It is possible for these timestamps to not always exist, in which case they will be< / span >
< span class = "sd" > None in Python (or null in JSON). The following timestamps are included:< / span >
< span class = "sd" > * job_created - When the user submitted the compose< / span >
< span class = "sd" > * job_started - Anaconda started running< / span >
< span class = "sd" > * job_finished - Job entered FINISHED or FAILED state< / span >
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< span class = "sd" > " " " < / span >
< span class = "n" > build_id< / 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" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > abspath< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ))< / span >
< span class = "n" > status< / span > < span class = "o" > =< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " STATUS" < / span > < span class = "p" > ))< / span > < span class = "o" > .< / span > < span class = "n" > read< / span > < span class = "p" > ()< / span > < span class = "o" > .< / span > < span class = "n" > strip< / span > < span class = "p" > ()< / span >
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< span class = "n" > blueprint< / span > < span class = "o" > =< / span > < span class = "n" > recipe_from_file< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " blueprint.toml" < / span > < span class = "p" > ))< / span >
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< span class = "n" > compose_type< / span > < span class = "o" > =< / span > < span class = "n" > get_compose_type< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > )< / span >
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< span class = "n" > image_path< / span > < span class = "o" > =< / span > < span class = "n" > get_image_name< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > )[< / span > < span class = "mi" > 1< / span > < span class = "p" > ]< / span >
< span class = "k" > if< / span > < span class = "n" > status< / span > < span class = "o" > ==< / span > < span class = "s" > " FINISHED" < / span > < span class = "ow" > and< / 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" > image_path< / span > < span class = "p" > ):< / span >
< span class = "n" > image_size< / span > < span class = "o" > =< / span > < span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > stat< / span > < span class = "p" > (< / span > < span class = "n" > image_path< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > st_size< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > image_size< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span >
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< span class = "n" > times< / span > < span class = "o" > =< / span > < span class = "n" > timestamp_dict< / span > < span class = "p" > (< / span > < span class = "n" > results_dir< / span > < span class = "p" > )< / span >
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< span class = "k" > return< / span > < span class = "p" > {< / span > < span class = "s" > " id" < / span > < span class = "p" > :< / span > < span class = "n" > build_id< / span > < span class = "p" > ,< / span >
< span class = "s" > " queue_status" < / span > < span class = "p" > :< / span > < span class = "n" > status< / span > < span class = "p" > ,< / span >
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< span class = "s" > " job_created" < / span > < span class = "p" > :< / span > < span class = "n" > times< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > TS_CREATED< / span > < span class = "p" > ),< / span >
< span class = "s" > " job_started" < / span > < span class = "p" > :< / span > < span class = "n" > times< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > TS_STARTED< / span > < span class = "p" > ),< / span >
< span class = "s" > " job_finished" < / span > < span class = "p" > :< / span > < span class = "n" > times< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > TS_FINISHED< / span > < span class = "p" > ),< / span >
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< span class = "s" > " compose_type" < / span > < span class = "p" > :< / span > < span class = "n" > compose_type< / span > < span class = "p" > ,< / span >
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< span class = "s" > " blueprint" < / span > < span class = "p" > :< / span > < span class = "n" > blueprint< / span > < span class = "p" > [< / span > < span class = "s" > " name" < / span > < span class = "p" > ],< / span >
< span class = "s" > " version" < / span > < span class = "p" > :< / span > < span class = "n" > blueprint< / span > < span class = "p" > [< / span > < span class = "s" > " version" < / span > < span class = "p" > ],< / span >
< span class = "s" > " image_size" < / span > < span class = "p" > :< / span > < span class = "n" > image_size< / span >
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< span class = "p" > }< / span >
< / div >
< div class = "viewcode-block" id = "queue_status" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.queue_status" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > queue_status< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Return details about what is in the queue.< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: ComposerConfig< / span >
< span class = "sd" > :returns: A list of the new composes, and a list of the running composes< / span >
< span class = "sd" > :rtype: dict< / span >
< span class = "sd" > This returns a dict with 2 lists. " new" is the list of uuids that are waiting to be built,< / span >
< span class = "sd" > and " run" has the uuids that are being built (currently limited to 1 at a time).< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > queue_dir< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " lib_dir" < / span > < span class = "p" > ),< / span > < span class = "s" > " queue" < / span > < span class = "p" > )< / span >
< span class = "n" > new_queue< / span > < span class = "o" > =< / 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" > realpath< / span > < span class = "p" > (< / span > < span class = "n" > p< / span > < span class = "p" > )< / span > < span class = "k" > for< / span > < span class = "n" > p< / span > < span class = "ow" > in< / span > < span class = "n" > glob< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > queue_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " new/*" < / span > < span class = "p" > ))]< / span >
< span class = "n" > run_queue< / span > < span class = "o" > =< / 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" > realpath< / span > < span class = "p" > (< / span > < span class = "n" > p< / span > < span class = "p" > )< / span > < span class = "k" > for< / span > < span class = "n" > p< / span > < span class = "ow" > in< / span > < span class = "n" > glob< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > queue_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " run/*" < / span > < span class = "p" > ))]< / span >
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< span class = "n" > new_details< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > n< / span > < span class = "ow" > in< / span > < span class = "n" > new_queue< / span > < span class = "p" > :< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > d< / span > < span class = "o" > =< / span > < span class = "n" > compose_detail< / span > < span class = "p" > (< / span > < span class = "n" > n< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "ne" > IOError< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "n" > new_details< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > d< / span > < span class = "p" > )< / span >
< span class = "n" > run_details< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > r< / span > < span class = "ow" > in< / span > < span class = "n" > run_queue< / span > < span class = "p" > :< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > d< / span > < span class = "o" > =< / span > < span class = "n" > compose_detail< / span > < span class = "p" > (< / span > < span class = "n" > r< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "ne" > IOError< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "n" > run_details< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > d< / span > < span class = "p" > )< / span >
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< span class = "k" > return< / span > < span class = "p" > {< / span >
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< span class = "s" > " new" < / span > < span class = "p" > :< / span > < span class = "n" > new_details< / span > < span class = "p" > ,< / span >
< span class = "s" > " run" < / span > < span class = "p" > :< / span > < span class = "n" > run_details< / span >
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< span class = "p" > }< / span >
< / div >
< div class = "viewcode-block" id = "uuid_status" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.uuid_status" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > uuid_status< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Return the details of a specific UUID compose< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: ComposerConfig< / span >
< span class = "sd" > :param uuid: The UUID of the build< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > :returns: Details about the build< / span >
< span class = "sd" > :rtype: dict or None< / span >
< span class = "sd" > Returns the same dict as `compose_details()`< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > uuid_dir< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " lib_dir" < / span > < span class = "p" > ),< / span > < span class = "s" > " results" < / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
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< span class = "k" > try< / span > < span class = "p" > :< / span >
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< span class = "k" > return< / span > < span class = "n" > compose_detail< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > )< / span >
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< span class = "k" > except< / span > < span class = "ne" > IOError< / span > < span class = "p" > :< / span >
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< span class = "k" > return< / span > < span class = "bp" > None< / span >
< / div >
< div class = "viewcode-block" id = "build_status" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.build_status" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > build_status< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > status_filter< / span > < span class = "o" > =< / span > < span class = "bp" > None< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Return the details of finished or failed builds< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: ComposerConfig< / span >
< span class = "sd" > :param status_filter: What builds to return. None == all, " FINISHED" , or " FAILED" < / span >
< span class = "sd" > :type status_filter: str< / span >
< span class = "sd" > :returns: A list of the build details (from compose_details)< / span >
< span class = "sd" > :rtype: list of dicts< / span >
< span class = "sd" > This returns a list of build details for each of the matching builds on the< / span >
< span class = "sd" > system. It does not return the status of builds that have not been finished.< / span >
< span class = "sd" > Use queue_status() for those.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > if< / span > < span class = "n" > status_filter< / span > < span class = "p" > :< / span >
< span class = "n" > status_filter< / span > < span class = "o" > =< / span > < span class = "p" > [< / span > < span class = "n" > status_filter< / span > < span class = "p" > ]< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > status_filter< / span > < span class = "o" > =< / span > < span class = "p" > [< / span > < span class = "s" > " FINISHED" < / span > < span class = "p" > ,< / span > < span class = "s" > " FAILED" < / span > < span class = "p" > ]< / span >
< span class = "n" > results< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > result_dir< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " lib_dir" < / span > < span class = "p" > ),< / span > < span class = "s" > " results" < / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > build< / span > < span class = "ow" > in< / span > < span class = "n" > glob< / span > < span class = "p" > (< / span > < span class = "n" > result_dir< / span > < span class = "o" > +< / span > < span class = "s" > " /*" < / span > < span class = "p" > ):< / span >
< span class = "n" > log< / span > < span class = "o" > .< / span > < span class = "n" > debug< / span > < span class = "p" > (< / span > < span class = "s" > " Checking status of build < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "p" > ,< / span > < span class = "n" > build< / span > < span class = "p" > )< / span >
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< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > status< / span > < span class = "o" > =< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > build< / span > < span class = "p" > ,< / span > < span class = "s" > " STATUS" < / span > < span class = "p" > ),< / span > < span class = "s" > " r" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > read< / span > < span class = "p" > ()< / span > < span class = "o" > .< / span > < span class = "n" > strip< / span > < span class = "p" > ()< / span >
< span class = "k" > if< / span > < span class = "n" > status< / span > < span class = "ow" > in< / span > < span class = "n" > status_filter< / span > < span class = "p" > :< / span >
< span class = "n" > results< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > compose_detail< / span > < span class = "p" > (< / span > < span class = "n" > build< / span > < span class = "p" > ))< / span >
< span class = "k" > except< / span > < span class = "ne" > IOError< / span > < span class = "p" > :< / span >
< span class = "k" > pass< / span >
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< span class = "k" > return< / span > < span class = "n" > results< / span >
< / div >
< div class = "viewcode-block" id = "uuid_cancel" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.uuid_cancel" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > uuid_cancel< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Cancel a build and delete its results< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: ComposerConfig< / span >
< span class = "sd" > :param uuid: The UUID of the build< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > :returns: True if it was canceled and deleted< / span >
< span class = "sd" > :rtype: bool< / span >
< span class = "sd" > Only call this if the build status is WAITING or RUNNING< / span >
< span class = "sd" > " " " < / span >
< span class = "c" > # This status can change (and probably will) while it is in the middle of doing this:< / span >
< span class = "c" > # It can move from WAITING -> RUNNING or it can move from RUNNING -> FINISHED|FAILED< / span >
< span class = "c" > # If it is in WAITING remove the symlink and then check to make sure it didn' t show up< / span >
< span class = "c" > # in RUNNING< / span >
< span class = "n" > queue_dir< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " lib_dir" < / span > < span class = "p" > ),< / span > < span class = "s" > " queue" < / span > < span class = "p" > )< / span >
< span class = "n" > uuid_new< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > queue_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " new" < / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / 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" > uuid_new< / span > < span class = "p" > ):< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > os< / span > < span class = "o" > .< / span > < span class = "n" > unlink< / span > < span class = "p" > (< / span > < span class = "n" > uuid_new< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "ne" > OSError< / span > < span class = "p" > :< / span >
< span class = "c" > # The symlink may vanish if the queue monitor started the build< / span >
< span class = "k" > pass< / span >
< span class = "n" > uuid_run< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > queue_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " run" < / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > uuid_run< / span > < span class = "p" > ):< / span >
< span class = "c" > # Successfully removed it before the build started< / span >
< span class = "k" > return< / span > < span class = "n" > uuid_delete< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "c" > # Tell the build to stop running< / span >
< span class = "n" > cancel_path< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " lib_dir" < / span > < span class = "p" > ),< / span > < span class = "s" > " results" < / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ,< / span > < span class = "s" > " CANCEL" < / span > < span class = "p" > )< / span >
< span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > cancel_path< / span > < span class = "p" > ,< / span > < span class = "s" > " w" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > write< / span > < span class = "p" > (< / span > < span class = "s" > " < / span > < span class = "se" > \n< / span > < span class = "s" > " < / span > < span class = "p" > )< / span >
< span class = "c" > # Wait for status to move to FAILED< / span >
< span class = "n" > started< / span > < span class = "o" > =< / span > < span class = "n" > time< / span > < span class = "o" > .< / span > < span class = "n" > time< / span > < span class = "p" > ()< / span >
< span class = "k" > while< / span > < span class = "bp" > True< / span > < span class = "p" > :< / span >
< span class = "n" > status< / span > < span class = "o" > =< / span > < span class = "n" > uuid_status< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
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< span class = "k" > if< / span > < span class = "n" > status< / span > < span class = "ow" > is< / span > < span class = "bp" > None< / span > < span class = "ow" > or< / span > < span class = "n" > status< / span > < span class = "p" > [< / span > < span class = "s" > " queue_status" < / span > < span class = "p" > ]< / span > < span class = "o" > ==< / span > < span class = "s" > " FAILED" < / span > < span class = "p" > :< / span >
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< span class = "k" > break< / span >
< span class = "c" > # Is this taking too long? Exit anyway and try to cleanup.< / span >
< span class = "k" > if< / span > < span class = "n" > time< / span > < span class = "o" > .< / span > < span class = "n" > time< / span > < span class = "p" > ()< / span > < span class = "o" > > < / span > < span class = "n" > started< / span > < span class = "o" > +< / span > < span class = "p" > (< / span > < span class = "mi" > 10< / span > < span class = "o" > *< / span > < span class = "mi" > 60< / span > < span class = "p" > ):< / span >
< span class = "n" > log< / span > < span class = "o" > .< / span > < span class = "n" > error< / span > < span class = "p" > (< / span > < span class = "s" > " Failed to cancel the build of < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "k" > break< / span >
< span class = "n" > time< / span > < span class = "o" > .< / span > < span class = "n" > sleep< / span > < span class = "p" > (< / span > < span class = "mi" > 5< / span > < span class = "p" > )< / span >
< span class = "c" > # Remove the partial results< / span >
< span class = "n" > uuid_delete< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< / div >
< div class = "viewcode-block" id = "uuid_delete" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.uuid_delete" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > uuid_delete< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Delete all of the results from a compose< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: ComposerConfig< / span >
< span class = "sd" > :param uuid: The UUID of the build< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > :returns: True if it was deleted< / span >
< span class = "sd" > :rtype: bool< / span >
< span class = "sd" > :raises: This will raise an error if the delete failed< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > uuid_dir< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " lib_dir" < / span > < span class = "p" > ),< / span > < span class = "s" > " results" < / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > uuid_dir< / span > < span class = "ow" > or< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > )< / span > < span class = "o" > < < / span > < span class = "mi" > 10< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " Directory length is too short: < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "o" > %< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > )< / span >
< span class = "n" > shutil< / span > < span class = "o" > .< / span > < span class = "n" > rmtree< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "bp" > True< / span >
< / div >
< div class = "viewcode-block" id = "uuid_info" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.uuid_info" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > uuid_info< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Return information about the composition< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: ComposerConfig< / span >
< span class = "sd" > :param uuid: The UUID of the build< / span >
< span class = "sd" > :type uuid: str< / span >
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< span class = "sd" > :returns: dictionary of information about the composition or None< / span >
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< span class = "sd" > :rtype: dict< / span >
< span class = "sd" > :raises: RuntimeError if there was a problem< / span >
< span class = "sd" > This will return a dict with the following fields populated:< / span >
< span class = "sd" > * id - The uuid of the comoposition< / span >
< span class = "sd" > * config - containing the configuration settings used to run Anaconda< / span >
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< span class = "sd" > * blueprint - The depsolved blueprint used to generate the kickstart< / span >
< span class = "sd" > * commit - The (local) git commit hash for the blueprint used< / span >
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< span class = "sd" > * deps - The NEVRA of all of the dependencies used in the composition< / span >
< span class = "sd" > * compose_type - The type of output generated (tar, iso, etc.)< / span >
< span class = "sd" > * queue_status - The final status of the composition (FINISHED or FAILED)< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > uuid_dir< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " lib_dir" < / span > < span class = "p" > ),< / span > < span class = "s" > " results" < / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > uuid_dir< / span > < span class = "p" > ):< / span >
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< span class = "k" > return< / span > < span class = "bp" > None< / span >
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< span class = "c" > # Load the compose configuration< / span >
< span class = "n" > cfg_path< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " config.toml" < / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > cfg_path< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " Missing config.toml for < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "o" > %< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "n" > cfg_dict< / span > < span class = "o" > =< / span > < span class = "n" > toml< / span > < span class = "o" > .< / span > < span class = "n" > loads< / span > < span class = "p" > (< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > cfg_path< / span > < span class = "p" > ,< / span > < span class = "s" > " r" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > read< / span > < span class = "p" > ())< / span >
< span class = "n" > frozen_path< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " frozen.toml" < / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > frozen_path< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " Missing frozen.toml for < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "o" > %< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "n" > frozen_dict< / span > < span class = "o" > =< / span > < span class = "n" > toml< / span > < span class = "o" > .< / span > < span class = "n" > loads< / span > < span class = "p" > (< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > frozen_path< / span > < span class = "p" > ,< / span > < span class = "s" > " r" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > read< / span > < span class = "p" > ())< / span >
< span class = "n" > deps_path< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " deps.toml" < / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > deps_path< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " Missing deps.toml for < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "o" > %< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "n" > deps_dict< / span > < span class = "o" > =< / span > < span class = "n" > toml< / span > < span class = "o" > .< / span > < span class = "n" > loads< / span > < span class = "p" > (< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > deps_path< / span > < span class = "p" > ,< / span > < span class = "s" > " r" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > read< / span > < span class = "p" > ())< / span >
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< span class = "n" > details< / span > < span class = "o" > =< / span > < span class = "n" > compose_detail< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > )< / span >
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< span class = "n" > commit_path< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " COMMIT" < / span > < span class = "p" > )< / span >
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< span class = "k" > if< / 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" > commit_path< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " Missing commit hash for < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "o" > %< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
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< span class = "n" > commit_id< / span > < span class = "o" > =< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > commit_path< / span > < span class = "p" > ,< / span > < span class = "s" > " r" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > read< / span > < span class = "p" > ()< / span > < span class = "o" > .< / span > < span class = "n" > strip< / span > < span class = "p" > ()< / span >
< span class = "k" > return< / span > < span class = "p" > {< / span > < span class = "s" > " id" < / span > < span class = "p" > :< / span > < span class = "n" > uuid< / span > < span class = "p" > ,< / span >
< span class = "s" > " config" < / span > < span class = "p" > :< / span > < span class = "n" > cfg_dict< / span > < span class = "p" > ,< / span >
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< span class = "s" > " blueprint" < / span > < span class = "p" > :< / span > < span class = "n" > frozen_dict< / span > < span class = "p" > ,< / span >
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< span class = "s" > " commit" < / span > < span class = "p" > :< / span > < span class = "n" > commit_id< / span > < span class = "p" > ,< / span >
< span class = "s" > " deps" < / span > < span class = "p" > :< / span > < span class = "n" > deps_dict< / span > < span class = "p" > ,< / span >
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< span class = "s" > " compose_type" < / span > < span class = "p" > :< / span > < span class = "n" > details< / span > < span class = "p" > [< / span > < span class = "s" > " compose_type" < / span > < span class = "p" > ],< / span >
< span class = "s" > " queue_status" < / span > < span class = "p" > :< / span > < span class = "n" > details< / span > < span class = "p" > [< / span > < span class = "s" > " queue_status" < / span > < span class = "p" > ],< / span >
< span class = "s" > " image_size" < / span > < span class = "p" > :< / span > < span class = "n" > details< / span > < span class = "p" > [< / span > < span class = "s" > " image_size" < / span > < span class = "p" > ]< / span >
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< span class = "p" > }< / span >
< / div >
< div class = "viewcode-block" id = "uuid_tar" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.uuid_tar" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > uuid_tar< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ,< / span > < span class = "n" > metadata< / span > < span class = "o" > =< / span > < span class = "bp" > False< / span > < span class = "p" > ,< / span > < span class = "n" > image< / span > < span class = "o" > =< / span > < span class = "bp" > False< / span > < span class = "p" > ,< / span > < span class = "n" > logs< / span > < span class = "o" > =< / span > < span class = "bp" > False< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Return a tar of the build data< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: ComposerConfig< / span >
< span class = "sd" > :param uuid: The UUID of the build< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > :param metadata: Set to true to include all the metadata needed to reproduce the build< / span >
< span class = "sd" > :type metadata: bool< / span >
< span class = "sd" > :param image: Set to true to include the output image< / span >
< span class = "sd" > :type image: bool< / span >
< span class = "sd" > :param logs: Set to true to include the logs from the build< / span >
< span class = "sd" > :type logs: bool< / span >
< span class = "sd" > :returns: A stream of bytes from tar< / span >
< span class = "sd" > :rtype: A generator< / span >
< span class = "sd" > :raises: RuntimeError if there was a problem (eg. missing config file)< / span >
< span class = "sd" > This yields an uncompressed tar' s data to the caller. It includes< / span >
< span class = "sd" > the selected data to the caller by returning the Popen stdout from the tar process.< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > uuid_dir< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " lib_dir" < / span > < span class = "p" > ),< / span > < span class = "s" > " results" < / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > uuid_dir< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " < / span > < span class = "si" > %s< / span > < span class = "s" > is not a valid build_id" < / span > < span class = "o" > %< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "c" > # Load the compose configuration< / span >
< span class = "n" > cfg_path< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " config.toml" < / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > cfg_path< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " Missing config.toml for < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "o" > %< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "n" > cfg_dict< / span > < span class = "o" > =< / span > < span class = "n" > toml< / span > < span class = "o" > .< / span > < span class = "n" > loads< / span > < span class = "p" > (< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > cfg_path< / span > < span class = "p" > ,< / span > < span class = "s" > " r" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > read< / span > < span class = "p" > ())< / span >
< span class = "n" > image_name< / span > < span class = "o" > =< / span > < span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " image_name" < / span > < span class = "p" > ]< / span >
< span class = "k" > def< / span > < span class = "nf" > include_file< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > endswith< / span > < span class = "p" > (< / span > < span class = "s" > " /logs" < / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "n" > logs< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > endswith< / span > < span class = "p" > (< / span > < span class = "n" > image_name< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "n" > image< / span >
< span class = "k" > return< / span > < span class = "n" > metadata< / span >
< span class = "n" > filenames< / span > < span class = "o" > =< / 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" > f< / span > < span class = "p" > )< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > glob< / span > < span class = "p" > (< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " *" < / span > < span class = "p" > ))< / span > < span class = "k" > if< / span > < span class = "n" > include_file< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "p" > )]< / span >
< span class = "n" > tar< / span > < span class = "o" > =< / span > < span class = "n" > Popen< / span > < span class = "p" > ([< / span > < span class = "s" > " tar" < / span > < span class = "p" > ,< / span > < span class = "s" > " -C" < / span > < span class = "p" > ,< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " -cf-" < / span > < span class = "p" > ]< / span > < span class = "o" > +< / span > < span class = "n" > filenames< / span > < span class = "p" > ,< / span > < span class = "n" > stdout< / span > < span class = "o" > =< / span > < span class = "n" > PIPE< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > tar< / span > < span class = "o" > .< / span > < span class = "n" > stdout< / span >
< / div >
< div class = "viewcode-block" id = "uuid_image" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.uuid_image" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > uuid_image< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Return the filename and full path of the build' s image file< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: ComposerConfig< / span >
< span class = "sd" > :param uuid: The UUID of the build< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > :returns: The image filename and full path< / span >
< span class = "sd" > :rtype: tuple of strings< / span >
< span class = "sd" > :raises: RuntimeError if there was a problem (eg. invalid uuid, missing config file)< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > uuid_dir< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " lib_dir" < / span > < span class = "p" > ),< / span > < span class = "s" > " results" < / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
2018-04-25 20:25:07 +00:00
< span class = "k" > return< / span > < span class = "n" > get_image_name< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > )< / span >
< / div >
< div class = "viewcode-block" id = "get_image_name" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.get_image_name" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > get_image_name< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Return the filename and full path of the build' s image file< / span >
< span class = "sd" > :param uuid: The UUID of the build< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > :returns: The image filename and full path< / span >
< span class = "sd" > :rtype: tuple of strings< / span >
< span class = "sd" > :raises: RuntimeError if there was a problem (eg. invalid uuid, missing config file)< / span >
< span class = "sd" > " " " < / 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" > os< / span > < span class = "o" > .< / span > < span class = "n" > path< / span > < span class = "o" > .< / span > < span class = "n" > abspath< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ))< / span >
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< span class = "k" > if< / 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" > uuid_dir< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " < / span > < span class = "si" > %s< / span > < span class = "s" > is not a valid build_id" < / span > < span class = "o" > %< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "c" > # Load the compose configuration< / span >
< span class = "n" > cfg_path< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " config.toml" < / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > cfg_path< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " Missing config.toml for < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "o" > %< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "n" > cfg_dict< / span > < span class = "o" > =< / span > < span class = "n" > toml< / span > < span class = "o" > .< / span > < span class = "n" > loads< / span > < span class = "p" > (< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > cfg_path< / span > < span class = "p" > ,< / span > < span class = "s" > " r" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > read< / span > < span class = "p" > ())< / span >
< span class = "n" > image_name< / span > < span class = "o" > =< / span > < span class = "n" > cfg_dict< / span > < span class = "p" > [< / span > < span class = "s" > " image_name" < / span > < span class = "p" > ]< / span >
< span class = "k" > return< / span > < span class = "p" > (< / span > < span class = "n" > image_name< / span > < span class = "p" > ,< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ,< / span > < span class = "n" > image_name< / span > < span class = "p" > ))< / span >
< / div >
< div class = "viewcode-block" id = "uuid_log" > < a class = "viewcode-back" href = "../../../pylorax.api.html#pylorax.api.queue.uuid_log" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > uuid_log< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > ,< / span > < span class = "n" > size< / span > < span class = "o" > =< / span > < span class = "mi" > 1024< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " Return `size` kbytes from the end of the anaconda.log< / span >
< span class = "sd" > :param cfg: Configuration settings< / span >
< span class = "sd" > :type cfg: ComposerConfig< / span >
< span class = "sd" > :param uuid: The UUID of the build< / span >
< span class = "sd" > :type uuid: str< / span >
< span class = "sd" > :param size: Number of kbytes to read. Default is 1024< / span >
< span class = "sd" > :type size: int< / span >
< span class = "sd" > :returns: Up to `size` kbytes from the end of the log< / span >
< span class = "sd" > :rtype: str< / span >
< span class = "sd" > :raises: RuntimeError if there was a problem (eg. no log file available)< / span >
< span class = "sd" > This function tries to return lines from the end of the log, it will< / span >
< span class = "sd" > attempt to start on a line boundry, and may return less than `size` kbytes.< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > uuid_dir< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s" > " composer" < / span > < span class = "p" > ,< / span > < span class = "s" > " lib_dir" < / span > < span class = "p" > ),< / span > < span class = "s" > " results" < / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > uuid_dir< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " < / span > < span class = "si" > %s< / span > < span class = "s" > is not a valid build_id" < / span > < span class = "o" > %< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
< span class = "c" > # While a build is running the logs will be in /tmp/anaconda.log and when it< / span >
< span class = "c" > # has finished they will be in the results directory< / span >
< span class = "n" > status< / span > < span class = "o" > =< / span > < span class = "n" > uuid_status< / span > < span class = "p" > (< / span > < span class = "n" > cfg< / span > < span class = "p" > ,< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
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< span class = "k" > if< / span > < span class = "n" > status< / span > < span class = "ow" > is< / span > < span class = "bp" > None< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " Status is missing for < / span > < span class = "si" > %s< / span > < span class = "s" > " < / span > < span class = "o" > %< / span > < span class = "n" > uuid< / span > < span class = "p" > )< / span >
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< span class = "k" > if< / span > < span class = "n" > status< / span > < span class = "p" > [< / span > < span class = "s" > " queue_status" < / span > < span class = "p" > ]< / span > < span class = "o" > ==< / span > < span class = "s" > " RUNNING" < / span > < span class = "p" > :< / span >
< span class = "n" > log_path< / span > < span class = "o" > =< / span > < span class = "s" > " /tmp/anaconda.log" < / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > log_path< / span > < span class = "o" > =< / span > < span class = "n" > joinpaths< / span > < span class = "p" > (< / span > < span class = "n" > uuid_dir< / span > < span class = "p" > ,< / span > < span class = "s" > " logs" < / span > < span class = "p" > ,< / span > < span class = "s" > " anaconda" < / span > < span class = "p" > ,< / span > < span class = "s" > " anaconda.log" < / span > < span class = "p" > )< / span >
< span class = "k" > if< / 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" > log_path< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span > < span class = "s" > " No anaconda.log available." < / span > < span class = "p" > )< / span >
< span class = "k" > with< / span > < span class = "nb" > open< / span > < span class = "p" > (< / span > < span class = "n" > log_path< / span > < span class = "p" > ,< / span > < span class = "s" > " r" < / span > < span class = "p" > )< / span > < span class = "k" > as< / span > < span class = "n" > f< / span > < span class = "p" > :< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > seek< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 2< / span > < span class = "p" > )< / span >
< span class = "n" > end< / span > < span class = "o" > =< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > tell< / span > < span class = "p" > ()< / span >
< span class = "k" > if< / span > < span class = "n" > end< / span > < span class = "o" > < < / span > < span class = "mi" > 1024< / span > < span class = "o" > *< / span > < span class = "n" > size< / span > < span class = "p" > :< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > seek< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > seek< / span > < span class = "p" > (< / span > < span class = "n" > end< / span > < span class = "o" > -< / span > < span class = "p" > (< / span > < span class = "mi" > 1024< / span > < span class = "o" > *< / span > < span class = "n" > size< / span > < span class = "p" > ))< / span >
< span class = "c" > # Find the start of the next line and return the rest< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > readline< / span > < span class = "p" > ()< / span >
< span class = "k" > return< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > read< / span > < span class = "p" > ()< / span > < / div >
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