Dalton Hubble 56d0b9eae4 Avoid creating extraneous GCE controller instance groups ... * Intended as part of #504 improvement * Single controller clusters only require one controller instance group (previously created zone-many) * Multi-controller clusters must "wrap" controllers over zonal heterogeneous instance groups. For example, 5 controllers over 3 zones (no change)		2019-07-20 16:58:45 -07:00
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kubernetes	Avoid creating extraneous GCE controller instance groups	2019-07-20 16:58:45 -07:00