[7.x] [New Platform] Validate config upfront (#35453)#36439

Merged

mshustov merged 1 commit intoelastic:7.xfrom mshustov:backport/7.x/pr-35453

May 10, 2019

+524-233

Commits on May 10, 2019

[New Platform] Validate config upfront (elastic#35453 )
mshustov
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