openshift/openshift-online-ansible — pull request #35 by liangxia (2014-12-15 03:31:22+00:00)
Title: suppress error unbound variable

$ grep OO_PROVIDER cluster.sh ; ./cluster.sh
PROVIDER=$OO_PROVIDER
./cluster.sh: line 7: OO_PROVIDER: unbound variable

$ vim ./cluster.sh

$ grep OO_PROVIDER cluster.sh ; ./cluster.sh
PROVIDER=${OO_PROVIDER:-''}
./cluster.sh : [create|terminate|update|list] { GCE environment tag}
Supported environment tags:
SUPPORTED_ENVS = %w(prod stg int tint kint test jint amint tdint lint)