Fix: return error instead of os.Exit when something goes wrong
Fix: return error instead of os.Exit when something goes wrong

bparees/kubernetes,mosoft521/kubernetes,iameli/kubernetes,MikeSpreitzer/kubernetes,jagosan/kubernetes,zhouhaibing089/kubernetes,rafax/kubernetes,gnufied/kubernetes,k82cn/kubernetes,spzala/kubernetes,jingxu97/kubernetes,matthyx/kubernetes,liggitt/kubernetes,mosoft521/kubernetes,feiskyer/kubernetes,carlory/kubernetes,mahak/kubernetes,openshift/kubernetes,mikedanese/kubernetes,thockin/kubernetes,gnufied/kubernetes,ii/kubernetes,thockin/kubernetes,lojies/kubernetes,matthyx/kubernetes,feiskyer/kubernetes,BenTheElder/kubernetes,jessfraz/kubernetes,feiskyer/kubernetes,lojies/kubernetes,mengqiy/kubernetes,li-ang/kubernetes,jackfrancis/kubernetes,ii/kubernetes,openshift/kubernetes,rrati/kubernetes,k82/kubernetes,olivierlemasle/kubernetes,k82cn/kubernetes,jingxu97/kubernetes,verb/kubernetes,jsafrane/kubernetes,csrwng/kubernetes,dixudx/kubernetes,dims/kubernetes,jingxu97/kubernetes,olivierlemasle/kubernetes,alejandroEsc/kubernetes,rnaveiras/kubernetes,mengqiy/kubernetes,MikeSpreitzer/kubernetes,mikebrow/kubernetes,rafax/kubernetes,aledbf/kubernetes,wongma7/kubernetes,kevin-wangzefeng/kubernetes,mkumatag/kubernetes,sdminonne/kubernetes,kevin-wangzefeng/kubernetes,rafax/kubernetes,fanzhangio/kubernetes,ii/kubernetes,nikhita/kubernetes,sdminonne/kubernetes,BenTheElder/kubernetes,bparees/kubernetes,zhangmingld/kubernetes,feiskyer/kubernetes,zhangmingld/kubernetes,k82/kubernetes,BenTheElder/kubernetes,enj/kubernetes,rnaveiras/kubernetes,olivierlemasle/kubernetes,mengqiy/kubernetes,csrwng/kubernetes,rrati/kubernetes,soltysh/kubernetes,carlory/kubernetes,verb/kubernetes,tengqm/kubernetes,PiotrProkop/kubernetes,rafax/kubernetes,mkumatag/kubernetes,wongma7/kubernetes,ping035627/kubernetes,tengqm/kubernetes,shyamjvs/kubernetes,mkumatag/kubernetes,mikebrow/kubernetes,mosoft521/kubernetes,rnaveiras/kubernetes,monopole/kubernetes,fanzhangio/kubernetes,linux-on-ibm-z/kubernetes,li-ang/kubernetes,monopole/kubernetes,mahak/kubernetes,jessfraz/kubernetes,ravilr/kubernetes,iameli/kubernetes,zhouhaibing089/kubernetes,roberthbailey/kubernetes,ping035627/kubernetes,alejandroEsc/kubernetes,zhangmingld/kubernetes,jsafrane/kubernetes,gnufied/kubernetes,kubernetes/kubernetes,GulajavaMinistudio/kubernetes,gnufied/kubernetes,BenTheElder/kubernetes,dixudx/kubernetes,jsafrane/kubernetes,jackfrancis/kubernetes,zhangmingld/kubernetes,nckturner/kubernetes,cblecker/kubernetes,warmchang/kubernetes,fabriziopandini/kubernetes,shyamjvs/kubernetes,soltysh/kubernetes,aledbf/kubernetes,olivierlemasle/kubernetes,carlory/kubernetes,liggitt/kubernetes,ping035627/kubernetes,cblecker/kubernetes,ii/kubernetes,zhouhaibing089/kubernetes,ping035627/kubernetes,spzala/kubernetes,monopole/kubernetes,rrati/kubernetes,jackfrancis/kubernetes,linux-on-ibm-z/kubernetes,ravilr/kubernetes,linux-on-ibm-z/kubernetes,jackfrancis/kubernetes,fabriziopandini/kubernetes,zhangmingld/kubernetes,gnufied/kubernetes,bparees/kubernetes,csrwng/kubernetes,shyamjvs/kubernetes,spzala/kubernetes,li-ang/kubernetes,alejandroEsc/kubernetes,ii/kubernetes,thockin/kubernetes,PiotrProkop/kubernetes,lojies/kubernetes,jessfraz/kubernetes,jagosan/kubernetes,enj/kubernetes,roberthbailey/kubernetes,fabriziopandini/kubernetes,dims/kubernetes,carlory/kubernetes,openshift/kubernetes,feiskyer/kubernetes,openshift/kubernetes,dixudx/kubernetes,verb/kubernetes,jessfraz/kubernetes,csrwng/kubernetes,kubernetes/kubernetes,ravilr/kubernetes,openshift/kubernetes,chestack/kubernetes,chestack/kubernetes,csrwng/kubernetes,MikeSpreitzer/kubernetes,PiotrProkop/kubernetes,monopole/kubernetes,micahhausler/kubernetes,kubernetes/kubernetes,iameli/kubernetes,chestack/kubernetes,k82/kubernetes,mikedanese/kubernetes,verb/kubernetes,MikeSpreitzer/kubernetes,liggitt/kubernetes,dixudx/kubernetes,mahak/kubernetes,warmchang/kubernetes,tengqm/kubernetes,nikhita/kubernetes,chestack/kubernetes,mosoft521/kubernetes,GulajavaMinistudio/kubernetes,jagosan/kubernetes,mikedanese/kubernetes,k82cn/kubernetes,cblecker/kubernetes,alejandroEsc/kubernetes,jagosan/kubernetes,mahak/kubernetes,matthyx/kubernetes,jingxu97/kubernetes,rrati/kubernetes,GulajavaMinistudio/kubernetes,ping035627/kubernetes,matthyx/kubernetes,mengqiy/kubernetes,fabriziopandini/kubernetes,kubernetes/kubernetes,iameli/kubernetes,jsafrane/kubernetes,rnaveiras/kubernetes,olivierlemasle/kubernetes,matthyx/kubernetes,wongma7/kubernetes,bparees/kubernetes,PiotrProkop/kubernetes,enj/kubernetes,lojies/kubernetes,zhouhaibing089/kubernetes,humblec/kubernetes,nikhita/kubernetes,carlory/kubernetes,fanzhangio/kubernetes,MikeSpreitzer/kubernetes,nckturner/kubernetes,aledbf/kubernetes,jagosan/kubernetes,liggitt/kubernetes,dixudx/kubernetes,dims/kubernetes,humblec/kubernetes,jingxu97/kubernetes,iameli/kubernetes,sdminonne/kubernetes,deads2k/kubernetes,mikebrow/kubernetes,dims/kubernetes,k82/kubernetes,enj/kubernetes,roberthbailey/kubernetes,nikhita/kubernetes,shyamjvs/kubernetes,thockin/kubernetes,soltysh/kubernetes,thockin/kubernetes,kubernetes/kubernetes,kevin-wangzefeng/kubernetes,jackfrancis/kubernetes,alejandroEsc/kubernetes,shyamjvs/kubernetes,lojies/kubernetes,verb/kubernetes,micahhausler/kubernetes,bparees/kubernetes,aledbf/kubernetes,zhangmingld/kubernetes,k82cn/kubernetes,nckturner/kubernetes,k82cn/kubernetes,roberthbailey/kubernetes,li-ang/kubernetes,mahak/kubernetes,tengqm/kubernetes,micahhausler/kubernetes,zhouhaibing089/kubernetes,tengqm/kubernetes,jessfraz/kubernetes,soltysh/kubernetes,nckturner/kubernetes,wongma7/kubernetes,cblecker/kubernetes,GulajavaMinistudio/kubernetes,mikebrow/kubernetes,mikedanese/kubernetes,mengqiy/kubernetes,sdminonne/kubernetes,fabriziopandini/kubernetes,k82/kubernetes,kevin-wangzefeng/kubernetes,deads2k/kubernetes,humblec/kubernetes,rnaveiras/kubernetes,mikebrow/kubernetes,micahhausler/kubernetes,aledbf/kubernetes,chestack/kubernetes,linux-on-ibm-z/kubernetes,mikedanese/kubernetes,deads2k/kubernetes,monopole/kubernetes,liggitt/kubernetes,fanzhangio/kubernetes,kevin-wangzefeng/kubernetes,PiotrProkop/kubernetes,humblec/kubernetes,mkumatag/kubernetes,warmchang/kubernetes,fanzhangio/kubernetes,fanzhangio/kubernetes,jsafrane/kubernetes,warmchang/kubernetes,deads2k/kubernetes,warmchang/kubernetes,nckturner/kubernetes,soltysh/kubernetes,cblecker/kubernetes,wongma7/kubernetes,nikhita/kubernetes,li-ang/kubernetes,ravilr/kubernetes,mkumatag/kubernetes,spzala/kubernetes,enj/kubernetes,GulajavaMinistudio/kubernetes,humblec/kubernetes,ravilr/kubernetes,micahhausler/kubernetes,deads2k/kubernetes,roberthbailey/kubernetes,dims/kubernetes,rrati/kubernetes,BenTheElder/kubernetes,mosoft521/kubernetes,sdminonne/kubernetes,linux-on-ibm-z/kubernetes,spzala/kubernetes