tree f16c075acb61df09a60eafb61468ded9da1d91d8
parent 8eeba9f477a0d4ebcf5e594c7fadddf609825521
author Hung-Wei Chiu <hungwei@opennetworking.org> 1583867111 -0700
committer Hung-Wei Chiu <hungwei@opennetworking.org> 1583867111 -0700
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Check the variable existence first and then set to global if exist

Change-Id: Ib14c3b968141db1f13b736a599aca0e4301ae522