Hi Imesh, Lakmal, I observed the extension log to find out that, extension's configure method is indeed called after member is activated but before it is added to cluster. I assume that is why extension cannot see the newly activated member as a part of cluster.
I hope this is what we expect. Thanks and Regards, Swapnil On Tue, Jul 21, 2015 at 4:27 AM, Imesh Gunaratne <im...@apache.org> wrote: > On Mon, Jul 20, 2015 at 9:20 PM, Swapnil Patil <swapnil.r...@gmail.com> > wrote: >> >> >> Though there was some time lag for the extension to get to know the newly >> spawned instance. When a new instance is spawned the extension's configure >> method got called but the topology did not have this new member. This new >> member was visible in the next topology update. I believe this is a known >> issue. I guess Asanka also faced similar issue for GCE extension. Am I >> right, Asanka? >> >> > Members are only added to the load balancer topology when they become > active. Members in other states are not visible to the load balancer. > > On Mon, Jul 20, 2015 at 9:20 PM, Swapnil Patil <swapnil.r...@gmail.com> > wrote: > >> Hi Lakmal, >> >> I tested the extension for scale up and scale down. And it did work as >> expected. It attached the the newly spawned instances to the LB while >> scaling up and detached the terminated instances from LB. >> >> Though there was some time lag for the extension to get to know the newly >> spawned instance. When a new instance is spawned the extension's configure >> method got called but the topology did not have this new member. This new >> member was visible in the next topology update. I believe this is a known >> issue. I guess Asanka also faced similar issue for GCE extension. Am I >> right, Asanka? >> >> Thanks and Regards, >> Swapnil >> >> On Mon, Jul 20, 2015 at 5:37 AM, Swapnil Patil <swapnil.r...@gmail.com> >> wrote: >> >>> Thanks Lakmal! >>> >>> I have the logic in place to attach newly created instances to LB in >>> case of scale up and same for scale down. But I have not tested it yet. >>> That testing will be my next step. I am pretty sure that it will work but >>> it is just that I need to verify it. >>> >>> I will get to know if any service interruption occurs in these cases >>> when I test it. I will update the thread with my observations. >>> >>> Thanks and Regards, >>> Swapnil >>> >>> On Mon, Jul 20, 2015 at 5:06 AM, Lakmal Warusawithana <lak...@wso2.com> >>> wrote: >>> >>>> Great work Swapnil! >>>> >>>> Just for my clarification, I have few question. Say when cluster scale >>>> up , does AWS load balancer extension attached the newly created instance >>>> to LB? same like when scale down does it detached the deleted instance from >>>> LB? Also when attaching and detaching does any service interruption occurs? >>>> >>>> thanks >>>> >>>> On Mon, Jul 20, 2015 at 10:11 AM, Swapnil Patil <swapnil.r...@gmail.com >>>> > wrote: >>>> >>>>> Hi AIl, >>>>> >>>>> I have published screencast of AWS load balancer extension on YouTube. >>>>> Here is the link : https://youtu.be/ZNl8JVB7xeU >>>>> >>>>> I would appreciate any suggestions. >>>>> >>>>> Thanks and Regards, >>>>> Swapnil >>>>> >>>>> >>>>> >>>> >>>> >>>> -- >>>> Lakmal Warusawithana >>>> Vice President, Apache Stratos >>>> Director - Cloud Architecture; WSO2 Inc. >>>> Mobile : +94714289692 >>>> Blog : http://lakmalsview.blogspot.com/ >>>> >>>> >>> >> > > > -- > Imesh Gunaratne > > Senior Technical Lead, WSO2 > Committer & PMC Member, Apache Stratos >
