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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
parent 346063795d
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)
groups = describe_autoscaling_groups(connection, group_name)
if groups:
wait_timeout = time.time() + wait_timeout
if not wait_for_instances:
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
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)
if wait_timeout <= time.time():
# waiting took too long
module.fail_json(msg="Waited too long for old instances to terminate. %s" % time.asctime())
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():
# waiting took too long
module.fail_json(msg="Waited too long for old instances to terminate. %s" % time.asctime())
delete_asg(connection, group_name, force_delete=False)
while describe_autoscaling_groups(connection, group_name):
time.sleep(5)
module.fail_json(msg="Waited too long for ASG to delete. %s" % time.asctime())
return True
return False