Correct the code that pulls the docker envfile
Correct the code that pulls the docker envfile

With the change to CNI the loop that pulled the envfile was consuming all of the other nodes... so the loop ended.  This checks that a file is present before calling cat.

danwinship/openshift-sdn,openshift/openshift-sdn,nak3/openshift-sdn,danwinship/openshift-sdn,openshift/openshift-sdn,nak3/openshift-sdn