Hi On Wed, Dec 3, 2014 at 2:14 PM, Lakmal Warusawithana <lak...@wso2.com> wrote:
> I think we need to understand terminology correctly. > > - Application create - create application json > - deployment policy - deployment pattens of the application > - application deploy - combine application json+deployment policy. - > this is the time we are actually spin instances/containers. > - application un deploy - remove all instances/containers/monitors > > Are we clear now? > Thanks for the clarification. yah..It is more clear now.. Thanks, Reka > > > On Wed, Dec 3, 2014 at 10:48 AM, Reka Thirunavukkarasu <r...@wso2.com> > wrote: > >> Hi All, >> >> As from earlier model, we were wiping out the monitors when we undeploy >> the application. But we are currently starting the monitors when we deploy >> the deployment policy. So, when undeploying the policy only, we will have >> to wipe out all the clusters and the monitors. In that case, the flow for >> the undeployment of the policy will be as below: >> >> Undeployment of policy >> ------------------------------ >> >> - Update the application monitor with the flag saying terminating=true >> - All Application instances will get updated as state = terminating >> - Underlying groups instances and cluster instances will be updated as >> state = terminating by the parent notification >> - Upon cluster instance terminating event, all the members will get to >> wiped out in the cluster instance >> - Cluster Instance will get to Terminated once all the members are wiped >> out >> - Once all the clusters instances are wiped out, cluster monitor will get >> wiped out >> - Upon cluster Instance terminated, group instance and then application >> instance will be terminated >> - Once all the application instances are wiped out, app monitor will get >> to removed and send application Terminated event. >> - Call CC to remove all the clusters related to application in Topology >> - Autosclaer will remove the in-memory clusters upon Topology >> ClustersRemovedEvent >> >> Please share your concerns whether we can go ahead with this flow. >> >> Thanks, >> Reka >> >> -- >> Reka Thirunavukkarasu >> Senior Software Engineer, >> WSO2, Inc.:http://wso2.com, >> Mobile: +94776442007 >> >> >> > > > -- > Lakmal Warusawithana > Vice President, Apache Stratos > Director - Cloud Architecture; WSO2 Inc. > Mobile : +94714289692 > Blog : http://lakmalsview.blogspot.com/ > > -- Reka Thirunavukkarasu Senior Software Engineer, WSO2, Inc.:http://wso2.com, Mobile: +94776442007
