Hi All, I have published a new screencast for this project which includes recent changes. You can find it at [1].
Please let me know if you have any suggestions. [1] https://youtu.be/sCmu9b0oMmc Thanks and Regards, Swapnil On Wed, Jul 22, 2015 at 3:36 PM, Imesh Gunaratne <im...@apache.org> wrote: > Yes today in a demo Swapnil showed this issue to us. We need to > investigate the load balancer extension and see the reason for this problem. > > Thanks > > On Wed, Jul 22, 2015 at 9:21 AM, Swapnil Patil <swapnil.r...@gmail.com> > wrote: > >> 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 >>> >> >> > > > -- > Imesh Gunaratne > > Senior Technical Lead, WSO2 > Committer & PMC Member, Apache Stratos >
