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# Copyright 2012, 2013 Marco Ceppi, Canonical Ltd. This software is
# licensed under the GNU Affero General Public License version 3 (see
# the file LICENSE).
import argparse
from datetime import (
datetime,
)
import logging
import pymongo
from charmworld.charmstore import (
CharmStore,
get_store_charm_info,
)
from charmworld.jobs.ingest import update_from_store
from charmworld.lp import (
BASKET_SERIES,
get_branch_tips,
)
from charmworld.models import (
getconnection,
getdb,
)
from charmworld.utils import (
configure_logging,
get_ini,
)
from config import (
BASKET_QUEUE,
CHARM_IMPORT_FILTER,
CHARM_QUEUE,
)
from utils import get_queue
from utils import lock
from utils import LockHeld
from utils import parse_branch
default = object()
def all_branch_data(charm_data=None):
# Return data needed for the ingest job for charm branches on Launchpad.
log = logging.getLogger("charm.launchpad")
charms = []
baskets = []
if not charm_data:
charm_data = get_branch_tips()
for repo, commit, series in charm_data:
_, branch_name = repo.rsplit("/", 1)
data = parse_branch(repo, series, commit)
data['promulgated'] = data['series'] in data['distro_series']
if data['series'] == BASKET_SERIES:
if data['bname'] == 'bundle':
baskets.append(data)
continue
if data["bname"] != "trunk":
log.debug("Skipped branch %s", repo)
continue
data['branch_deleted'] = False
charms.append(data)
return charms, baskets
def db_charms(db):
# Return data needed for the ingest job for charms stored in
# charmworld's database.
for charm in db.charms.find(
fields=('owner', 'series', 'name', 'bname', 'branch_spec'),
sort=[('branch_spec', pymongo.ASCENDING)]):
# Override the promulgation related settings: Data from this
# iterator is used by all_charms() only when the charm has no
# longer a related Launchpad branch. A charm is promulgated if
# its LP branch is linked to a sourcepackage, hence a charm
# without a branch cannot be promulgated.
charm['promulgated'] = False
charm['distro_series'] = []
charm['branch_deleted'] = True
yield charm
def all_charms(db, available, limit=None, import_filter=default):
# Return a sequence of charms that have a Launchpad branch or that are
# already known in charmworld's database.
log = logging.getLogger("charm.launchpad")
if import_filter is default:
import_filter = CHARM_IMPORT_FILTER
all = dict((charm['branch_spec'], charm) for charm in db_charms(db))
all.update((charm['branch_spec'], charm) for charm in available)
all = sorted(all.values(), key=lambda charm: charm['branch_spec'])
count = 0
for charm in all:
if import_filter and not charm['branch_spec'].startswith(
import_filter):
continue
log.info("Queueing %s", charm['branch_spec'])
yield charm
count += 1
if limit and count >= limit:
log.info("Import limit reached (%d)... stopping", limit)
break
def queue_from_branches(db, store, charm_queue, basket_queue, limit=None,
import_filter=default, check_time=None):
log = logging.getLogger("charm.launchpad")
charm_data, baskets = all_branch_data()
charms = list(all_charms(db, charm_data, limit=limit,
import_filter=import_filter))
charms_info = get_store_charm_info(store, charms)
if check_time is None:
check_time = datetime.now().ctime()
for charm, (address, store_data) in zip(charms, charms_info):
update_from_store(charm, address, store_data, check_time, log)
added = charm_queue.put(charm)
if added and 0:
log.info("Queued %s", charm)
for basket in baskets:
basket_queue.put(basket)
def dequeue():
"""Dequeue all the charm data in the CHARM_QUEUE.
This is a script entry point to dequeue all charms. This might be done when
when a running instance will get a code update that is incompatible with
charm data in the queue.
"""
configure_logging()
log = logging.getLogger("charm.launchpad")
settings = get_ini()
connection = getconnection(settings)
db = getdb(connection, settings.get('mongo.database'))
try:
lease_time = int(settings['script_lease_time']) * 60
with lock('ingest-queue', lease_time, db, log):
queue = get_queue(db, CHARM_QUEUE)
queue_size = queue.size()
queue.clear()
log.info("Dequeued %s charms", queue_size)
except LockHeld, error:
log.warn(str(error))
# XXX bug=1130732: This function does not appear to be tested.
def main():
configure_logging()
parser = argparse.ArgumentParser()
parser.add_argument(
"--limit",
help="Maximum number of charms to queue.",
type=int)
parser.add_argument(
"--prefix",
help="Only charms matching this prefix are queued.",
type=str, default=default)
args = parser.parse_args()
log = logging.getLogger("charm.launchpad")
settings = get_ini()
if args.limit is None:
charm_import_limit = settings.get('charm_import_limit')
charm_import_limit = (
int(charm_import_limit) if charm_import_limit else None)
else:
charm_import_limit = args.limit
connection = getconnection(settings)
db = getdb(connection, settings.get('mongo.database'))
try:
with lock('ingest-queue', int(settings['script_lease_time']) * 60,
db, log):
charm_queue = get_queue(db, CHARM_QUEUE)
basket_queue = get_queue(db, BASKET_QUEUE)
queue_from_branches(db, CharmStore(), charm_queue, basket_queue,
charm_import_limit, args.prefix)
except LockHeld, error:
log.warn(str(error))
if __name__ == '__main__':
main()
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