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Open Application Model (OAM).
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Add StatefulService extended workload #97

Open hongchaodeng opened 5 years ago

hongchaodeng commented 5 years ago

Currently, we have defined Service workload for stateless, cattle-like applications. However, we have user scenarios to support stateful, pet-like applications. It would be better to define these two types of workload separately than making "stateful" a special trait of Service.

We would want to add an extended workload called StatefulService that supports stateful workload best. Initially, we can model that around k8s StatefulSet which our motivation comes from.

The StatefulService Component+Workload will be added in a new directory extended/workload/. Does that sound right?

technosophos commented 5 years ago

The main question I have is whether we should make this a core feature of Hydra, in which case it will be a core.hydra.io. Otherwise, yes, it should go in the ext namespace and be put in that subdirectory.

If you want to get started, go ahead and model it as extended. We can solicit feedback from the other Hydra implementors.

xiang90 commented 5 years ago

+1 on starting it as an ext.

technosophos commented 5 years ago

88 is somewhat related