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build rate limiting: use a rate

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This commit is contained in:
Jimmy Zelinskie 2016-12-06 13:59:47 -05:00
parent 7877c6ab94
commit 57770493fa
3 changed files with 18 additions and 9 deletions
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13
endpoints/building.py
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@ -1,6 +1,8 @@
import logging
import json
from datetime import datetime, timedelta
from flask import request
from app import app, dockerfile_build_queue
@ -14,7 +16,8 @@ from util.morecollections import AttrDict
logger = logging.getLogger(__name__)
MAX_BUILD_QUEUE_SIZE = app.config.get('MAX_BUILD_QUEUE_SIZE', -1)
MAX_BUILD_QUEUE_ITEMS = app.config.get('MAX_BUILD_QUEUE_ITEMS', -1)
MAX_BUILD_QUEUE_SECS = app.config.get('MAX_BUILD_QUEUE_SECS', -1)
class MaximumBuildsQueuedException(Exception):
@ -23,9 +26,11 @@ class MaximumBuildsQueuedException(Exception):
def start_build(repository, prepared_build, pull_robot_name=None):
queue_item_prefix = '%s/%s' % repository.namespace_user.username, repository.name
available_builds = dockerfile_build_queue.num_available_jobs(queue_item_prefix)
if available_builds >= MAX_BUILD_QUEUE_SIZE and MAX_BUILD_QUEUE_SIZE > -1:
raise MaximumBuildsQueuedException()
if MAX_BUILD_QUEUE_ITEMS > 0 and MAX_BUILD_QUEUE_SECS > 0:
available_min = datetime.utcnow() - timedelta(seconds=-MAX_BUILD_QUEUE_SECS)
available_builds = dockerfile_build_queue.num_available_jobs(available_min, queue_item_prefix)
if available_builds > MAX_BUILD_QUEUE_ITEMS:
raise MaximumBuildsQueuedException()
host = app.config['SERVER_HOSTNAME']
repo_path = '%s/%s/%s' % (host, repository.namespace_user.username, repository.name)