本文整理汇总了Python中boto.ec2.autoscale.AutoScaleConnection.update方法的典型用法代码示例。如果您正苦于以下问题:Python AutoScaleConnection.update方法的具体用法?Python AutoScaleConnection.update怎么用?Python AutoScaleConnection.update使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类boto.ec2.autoscale.AutoScaleConnection
的用法示例。
在下文中一共展示了AutoScaleConnection.update方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _remove_from_worker_pool
# 需要导入模块: from boto.ec2.autoscale import AutoScaleConnection [as 别名]
# 或者: from boto.ec2.autoscale.AutoScaleConnection import update [as 别名]
def _remove_from_worker_pool():
"""
Ensures that this instance is shut down, and unregisted from the worker
pool.
"""
# Retrieve the current state of the pool.
pool = AutoScaleConnection().get_all_groups(["LSDA Worker Pool"])[0]
if pool.desired_capacity <= pool.min_size:
return
# Reduce the pool size and shut ourself down.
pool.desired_capacity -= 1
pool.update()
示例2: main
# 需要导入模块: from boto.ec2.autoscale import AutoScaleConnection [as 别名]
# 或者: from boto.ec2.autoscale.AutoScaleConnection import update [as 别名]
def main():
"""
Main entry point for the automated scaling daemon.
"""
# Configure logging.
logging.basicConfig(
format = "%(asctime)-15s %(levelname)5s %(message)s",
level = logging.INFO
)
# Read configuration.
options = yaml.load(open("config.yaml"))
# Connect to the RabbitMQ cluster.
params = pika.ConnectionParameters(host=options["amqp"])
conn = pika.BlockingConnection(params)
channel = conn.channel()
while True:
# Ensure that we have things stuck in the queue for the given amount
# of time.
for i in xrange(DELAY / 5):
queue_length = get_queue_length(channel, "stable")
logging.info("Queue length: {}".format(queue_length))
if queue_length == 0:
break
time.sleep(5)
else:
# Scale up!
group = AutoScaleConnection().get_all_groups(["LSDA Worker Pool"])[0]
group.desired_capacity = min(
group.desired_capacity + 2, group.max_size)
group.update()
logging.info(
"Triggering increase to {}".format(group.desired_capacity))
time.sleep(300)
# Wait until next polling event.
time.sleep(30)