get_interface by name

[Fraida Fund]

Hi!

The get_interface function in fablib allows retrieving an interface by name. However, it’s not the same name you specify when you add an interface with add_component. The interface name ends up as {{node name}}-{{component name}}-p1 (as far as I can tell). Is this documented? will the interface name always be {{node name}}-{{component name}}-p1?

Thank you!

[Paul Ruth]

Yeah, this is all correct. The issue here is that some components have multiple interfaces.  At the same time, interfaces need unique names.  When you name a component that has interfaces, the interface names will be {{node name}}-{{component name}}-p1, {{node name}}-{{component name}}-p2, …

Also, components need unique names so the specified component name is prepended with the node name.

This is all a bit awkward but its a trade off between this and requiring the user to navigate a bunch of errors when trying to assign names to all their objects.

We are considering adding some additional methods that automatically create/parse the names so that the user can use only the names they specified.  Of course this would mean that if you issued a mySlice.get_interface(name=”myInterface”) there may be a list of interfaces with that name but from different components and nodes.  This may be a better way to go.

Your input on the topic would be welcome.

Paul

[Fraida Fund]

I think it’s easier if all of the get_x functions behave in a similar way. What happens with add_node/get_node or add_network/get_network if you try to use the same name more than once?

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