Take region from the cluster config.

[davidmccormick]

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[codecov-io]

Codecov Report

Merging #1741 into v0.14.x will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           v0.14.x    #1741   +/-   ##
========================================
  Coverage    25.28%   25.28%           
========================================
  Files           98       98           
  Lines         5087     5087           
========================================
  Hits          1286     1286           
  Misses        3659     3659           
  Partials       142      142

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