Check if AWS_SHARED_CREDENTIALS_FILE is set#30

Merged

openshift-merge-robot merged 3 commits intoopenshift:masterfrom

hongkailiu:DPTP-471

Jul 24, 2019

Commits on Jul 23, 2019

Commits on Jul 24, 2019

Take params of ipi-deprovision.sh from env. var.
hongkailiu
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