Fold obsolete getLoopbackInterfaceNode()
into getLoopback0Addresses()
#938
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The
getLoopbackInterfaceNode()
function was previously used for a few different purposes, which explains it's peculiar "return raw JSON" function signature.Various previous PRs mean we're only using it for one thing now: Retrieve IPv4 and IPv6 addresses.
At this point, It doesn't need to exist at all as a standalone function, let alone one so clunky that it returns raw JSON.
This PR folds that function into the only place it gets called, and cleans up some of the clunkiness associated with passing around raw JSON. The logic is (should be?) unchanged.
Closes #891