+1 Imesh, this is what in mind also. On Fri, Dec 19, 2014 at 7:35 PM, Imesh Gunaratne <im...@apache.org> wrote: > > Hi Devs, > > As we have now removed Kubernetes specific cluster monitoring logic in > Autoscaler we could now use standard Cloud Controller service methods for > managing VM instances and containers. This will make sure that Autoscaling > logic will work the same way for any type of a cartridge. > > The idea is to move Kubernetes specific logic to a new class called > KubernetesIaas and implement the Iaas interface. Consequently almost all > the features in the PaaS will work the same manner for MockIaas, Jclouds > Iasses and Kubernetes. This will give us an advantage of verifying > functionality with Mock Iaas and running against other Iaases without much > of a problem. > > This class can be defined in the Iaas Providers section in the cartridge > definition. The complete work flow of an application that uses Kubernetes > would be as follows: > > *Work Flow of an Application using Kubernetes:* > > 1. Register Kubernetes clusters. > 2. Define Kuberntes Iaas Provider in the cartridge, this will indicate > Stratos that the given cartridge needs Kubernetes support. > Cartridge -> Iaas Providers -> Kubernetes Iaas Provider > 3. Define Kuberntes clusters in the Network Partitions. All the partitions > in the above network partitions will use the same configuraiton. > Deployment Policy -> Network Partitions -> Kubernetes Cluster > 4. Define an application with the above cartrige > Application -> Cartridges > > According to the above configuration when Autoscaler asks Cloud Controller > to start an instance it will find the Iaas Provider in the relevant > partition and if it is Kubernetes it will find the Kubernetes Cluster > defined against the partition and use that information to start the > containers. Instance termination process would work the same way. > > I have now started implementing this logic, please add your thoughts. > > Thanks > > -- > Imesh Gunaratne > > Technical Lead, WSO2 > Committer & PMC Member, Apache Stratos >
-- Lakmal Warusawithana Vice President, Apache Stratos Director - Cloud Architecture; WSO2 Inc. Mobile : +94714289692 Blog : http://lakmalsview.blogspot.com/
