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consul: prevent re-registration churn by correctly comparing connect sidecar tags #9330
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this returns different if the same tags, in a different order.
there's an argument that we should consider the canonical (sorted) form, allowing users to changed the order without re-registering (which may be the case, for example, if the tags are procedurally generated in a way that doesn't guarantee consistent ordering).
there's another argument that says if they change the order of the tags on a job update, we'll reregister the service (with the tags in exactly the order they specified).
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Consul itself persists tags in the order given, and at least for now I think Nomad should should maintain what the user provides.