Add option to set ssh key file name
Add option to set ssh key file name

pedro-r-marques/contrail-kubernetes,WIZARD-CXY/contrail-kubernetes,pupapaik/contrail-kubernetes,WIZARD-CXY/contrail-kubernetes,pedro-r-marques/contrail-kubernetes,pedro-r-marques/contrail-kubernetes,pupapaik/contrail-kubernetes,pedro-r-marques/contrail-kubernetes,Juniper/contrail-kubernetes,pupapaik/contrail-kubernetes,Juniper/contrail-kubernetes,WIZARD-CXY/contrail-kubernetes,Juniper/contrail-kubernetes,lachie83/contrail-kubernetes,lachie83/contrail-kubernetes,pupapaik/contrail-kubernetes,Juniper/contrail-kubernetes,WIZARD-CXY/contrail-kubernetes,lachie83/contrail-kubernetes,lachie83/contrail-kubernetes