Update k8s platform master bootstrap #89
Merged
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After discovering that internal loadbalancers only work within a single region, we must create the k8s masters in the same region that AppEngine is pinned to (for the epoxy boot-api server).
In practice this means that k8s must run in us-east1 for mlab-sandbox & mlab-oti and can remain in us-central1 or mlab-staging.
If we move epoxy out of app engine or adopt an alternative to internal loadbalancers for access to the token servers, then we can revisit this decision.
This change is