Use os.uname() instead of calling uname in subprocess
Use os.uname() instead of calling uname in subprocess

Related-Bug: #1291535

Change-Id: I57e18c0b95904f318e3fff08cd18b32e28f48834

sasukeh/neutron,leeseuljeong/leeseulstack_neutron,projectcalico/calico-neutron,yuewko/neutron,yanheven/neutron,skyddv/neutron,NeCTAR-RC/neutron,CiscoSystems/neutron,asgard-lab/neutron,glove747/liberty-neutron,paninetworks/neutron,jacknjzhou/neutron,yanheven/neutron,leeseuljeong/leeseulstack_neutron,adelina-t/neutron,yamahata/tacker,cloudbase/neutron-virtualbox,mattt416/neutron,javaos74/neutron,mmnelemane/neutron,alexandrucoman/vbox-neutron-agent,virtualopensystems/neutron,JioCloud/neutron,dims/neutron,glove747/liberty-neutron,pnavarro/neutron,asgard-lab/neutron,eonpatapon/neutron,redhat-openstack/neutron,bigswitch/neutron,adelina-t/neutron,wenhuizhang/neutron,yuewko/neutron,suneeth51/neutron,waltBB/neutron_read,JianyuWang/neutron,noironetworks/neutron,waltBB/neutron_read,eayunstack/neutron,sasukeh/neutron,gopal1cloud/neutron,mahak/neutron,openstack/neutron,alexandrucoman/vbox-neutron-agent,eayunstack/neutron,cloudbase/neutron,wolverineav/neutron,chitr/neutron,klmitch/neutron,watonyweng/neutron,infobloxopen/neutron,eonpatapon/neutron,wenhuizhang/neutron,jacknjzhou/neutron,aristanetworks/neutron,jumpojoy/neutron,magic0704/neutron,pnavarro/neutron,cernops/neutron,dhanunjaya/neutron,silenci/neutron,bgxavier/neutron,cisco-openstack/neutron,antonioUnina/neutron,SmartInfrastructures/neutron,javaos74/neutron,takeshineshiro/neutron,silenci/neutron,vivekanand1101/neutron,leeseulstack/openstack,mmnelemane/neutron,shahbazn/neutron,wolverineav/neutron,Stavitsky/neutron,huntxu/neutron,JianyuWang/neutron,mahak/neutron,barnsnake351/neutron,neoareslinux/neutron,magic0704/neutron,Metaswitch/calico-neutron,vivekanand1101/neutron,dhanunjaya/neutron,paninetworks/neutron,leeseuljeong/leeseulstack_neutron,barnsnake351/neutron,projectcalico/calico-neutron,sebrandon1/neutron,klmitch/neutron,gopal1cloud/neutron,blueboxgroup/neutron,vbannai/neutron,openstack/neutron,igor-toga/local-snat,igor-toga/local-snat,vveerava/Openstack,swdream/neutron,MaximNevrov/neutron,shahbazn/neutron,infobloxopen/neutron,vbannai/neutron,yamahata/tacker,mattt416/neutron,jerryz1982/neutron,rdo-management/neutron,antonioUnina/neutron,redhat-openstack/neutron,virtualopensystems/neutron,blueboxgroup/neutron,dims/neutron,SamYaple/neutron,NeCTAR-RC/neutron,openstack/neutron,neoareslinux/neutron,sebrandon1/neutron,mahak/neutron,cisco-openstack/neutron,jerryz1982/neutron,Stavitsky/neutron,SmartInfrastructures/neutron,cloudbase/neutron-virtualbox,bgxavier/neutron,cloudbase/neutron,yamahata/tacker,CiscoSystems/neutron,cernops/neutron,gkotton/neutron,gkotton/neutron,vveerava/Openstack,swdream/neutron,MaximNevrov/neutron,skyddv/neutron,rdo-management/neutron,takeshineshiro/neutron,mandeepdhami/neutron,watonyweng/neutron,vbannai/neutron,leeseulstack/openstack,leeseulstack/openstack,gkotton/neutron,chitr/neutron,jumpojoy/neutron,aristanetworks/neutron,SamYaple/neutron,huntxu/neutron,JioCloud/neutron,miyakz1192/neutron,apporc/neutron,bigswitch/neutron,apporc/neutron,Metaswitch/calico-neutron,noironetworks/neutron,CiscoSystems/neutron,virtualopensystems/neutron,suneeth51/neutron,blueboxgroup/neutron,mandeepdhami/neutron,miyakz1192/neutron,vveerava/Openstack