command: fix loading legacy remote state + migration guide #12320
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jbardin
approved these changes
Mar 1, 2017
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While doing manual run-throughs of upgrade paths (using both an old + new binary and trying various craziness), I found that the way we load legacy remote state actually doesn't work at all.
We were previously loading from the old way to initialize remote state but as we've been migrating them to the new system we've deleted those old ones, so this was resulting in things like "consul remote state type not found."
I've changed it to use the new initialization system. All tests still pass and manual tests are looking good.
While there, I added a comprehensive upgrade guide for backends. This covers explicit steps for backing up and migrating to backends.