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? 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/
