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Switch build queue limiter query to use total number of alive jobs

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This is slightly more accurate and, not being based on time, will work better under MySQL
This commit is contained in:
Joseph Schorr 2018-02-21 14:04:40 -05:00
parent d77aa9228f
commit e446eb5757
2 changed files with 10 additions and 8 deletions
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14
data/queue.py
View file

@ -74,18 +74,20 @@ class WorkQueue(object):
._available_jobs(now, name_match_query)
.where(~(QueueItem.queue_name << running_query)))
def num_available_jobs(self, canonical_name_list):
def num_alive_jobs(self, canonical_name_list):
"""
Returns the number of available queue items with a given prefix.
Returns the number of alive queue items with a given prefix.
"""
def strip_slash(name):
return name.lstrip('/')
canonical_name_list = map(strip_slash, canonical_name_list)
canonical_name_query = '/'.join([self._queue_name] + canonical_name_list) + '%'
available = self._available_jobs(datetime.utcnow(),
'/'.join([self._queue_name] + canonical_name_list) + '%')
return available.count()
return (QueueItem
.select()
.where(QueueItem.queue_name ** canonical_name_query)
.where(QueueItem.retries_remaining > 0)
.count())
def num_available_jobs_between(self, available_min_time, available_max_time, canonical_name_list):
"""

4
endpoints/building.py
View file

@ -31,8 +31,8 @@ def start_build(repository, prepared_build, pull_robot_name=None):
if repository.namespace_user.maximum_queued_builds_count is not None:
queue_item_canonical_name = [repository.namespace_user.username]
available_builds = dockerfile_build_queue.num_available_jobs(queue_item_canonical_name)
if available_builds >= repository.namespace_user.maximum_queued_builds_count:
alive_builds = dockerfile_build_queue.num_alive_jobs(queue_item_canonical_name)
if alive_builds >= repository.namespace_user.maximum_queued_builds_count:
logger.debug('Prevented queueing of build under namespace %s due to reaching max: %s',
repository.namespace_user.username,
repository.namespace_user.maximum_queued_builds_count)