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[cloud] ec2_asg should wait for ASG to delete (#35327)

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`wait_for_instances: no` means do not wait for instances to become
InService/Healthy before terminating them. It does not mean don't
wait for the ASG to delete.

Not waiting for the ASG to delete can cause problems when recreating it.
Ensure that waiting for the ASG to delete respects `wait_timeout`.
This commit is contained in:
Will Thames 2018-01-27 07:12:21 +10:00 • committed by Ryan Brown
commit 2fac647955
1 changed files with 19 additions and 17 deletions
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36
lib/ansible/modules/cloud/amazon/ec2_asg.py
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@ -1089,29 +1089,31 @@ def delete_autoscaling_group(connection):
del_notification_config(connection, group_name, notification_topic) del_notification_config(connection, group_name, notification_topic)
groups = describe_autoscaling_groups(connection, group_name) groups = describe_autoscaling_groups(connection, group_name)
if groups: if groups:
wait_timeout = time.time() + wait_timeout
if not wait_for_instances: if not wait_for_instances:
delete_asg(connection, group_name, force_delete=True) delete_asg(connection, group_name, force_delete=True)
return True else:
updated_params = dict(AutoScalingGroupName=group_name, MinSize=0, MaxSize=0, DesiredCapacity=0)
update_asg(connection, **updated_params)
instances = True
while instances and wait_for_instances and wait_timeout >= time.time():
tmp_groups = describe_autoscaling_groups(connection, group_name)
if tmp_groups:
tmp_group = tmp_groups[0]
if not tmp_group.get('Instances'):
instances = False
time.sleep(10)
wait_timeout = time.time() + wait_timeout if wait_timeout <= time.time():
updated_params = dict(AutoScalingGroupName=group_name, MinSize=0, MaxSize=0, DesiredCapacity=0) # waiting took too long
update_asg(connection, **updated_params) module.fail_json(msg="Waited too long for old instances to terminate. %s" % time.asctime())
instances = True
while instances and wait_for_instances and wait_timeout >= time.time():
tmp_groups = describe_autoscaling_groups(connection, group_name)
if tmp_groups:
tmp_group = tmp_groups[0]
if not tmp_group.get('Instances'):
instances = False
time.sleep(10)
delete_asg(connection, group_name, force_delete=False)
while describe_autoscaling_groups(connection, group_name) and wait_timeout >= time.time():
time.sleep(5)
if wait_timeout <= time.time(): if wait_timeout <= time.time():
# waiting took too long # waiting took too long
module.fail_json(msg="Waited too long for old instances to terminate. %s" % time.asctime()) module.fail_json(msg="Waited too long for ASG to delete. %s" % time.asctime())
delete_asg(connection, group_name, force_delete=False)
while describe_autoscaling_groups(connection, group_name):
time.sleep(5)
return True return True
return False return False