etcd: Rewrite embed etcd implementation

This is a giant cleanup of the etcd code. The earlier version was
written when I was less experienced with golang.

This is still not perfect, and does contain some races, but at least
it's a decent base to start from. The automatic elastic clustering
should be considered an experimental feature. If you need a more
battle-tested cluster, then you should manage etcd manually and point
mgmt at your existing cluster.
This commit is contained in:
James Shubin
2018-05-05 17:35:08 -04:00
parent fb275d9537
commit a5842a41b2
56 changed files with 5459 additions and 2654 deletions

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