auth: use generic ephemeral volume helper functions
auth: use generic ephemeral volume helper functions

The name concatenation and ownership check were originally considered small
enough to not warrant dedicated functions, but the intent of the code is more
readable with them.

iameli/kubernetes,k82cn/kubernetes,ping035627/kubernetes,jsafrane/kubernetes,jackfrancis/kubernetes,mikebrow/kubernetes,k82/kubernetes,dixudx/kubernetes,tengqm/kubernetes,aledbf/kubernetes,chestack/kubernetes,jessfraz/kubernetes,warmchang/kubernetes,fanzhangio/kubernetes,fabriziopandini/kubernetes,linux-on-ibm-z/kubernetes,micahhausler/kubernetes,warmchang/kubernetes,fabriziopandini/kubernetes,BenTheElder/kubernetes,cblecker/kubernetes,jingxu97/kubernetes,deads2k/kubernetes,li-ang/kubernetes,rrati/kubernetes,PiotrProkop/kubernetes,fabriziopandini/kubernetes,csrwng/kubernetes,zhouhaibing089/kubernetes,liggitt/kubernetes,PiotrProkop/kubernetes,verb/kubernetes,hex108/kubernetes,lojies/kubernetes,csrwng/kubernetes,MikeSpreitzer/kubernetes,enj/kubernetes,dims/kubernetes,lojies/kubernetes,olivierlemasle/kubernetes,wongma7/kubernetes,rrati/kubernetes,micahhausler/kubernetes,bparees/kubernetes,gnufied/kubernetes,mengqiy/kubernetes,mengqiy/kubernetes,iameli/kubernetes,mkumatag/kubernetes,rrati/kubernetes,aledbf/kubernetes,mikedanese/kubernetes,nikhita/kubernetes,warmchang/kubernetes,chestack/kubernetes,humblec/kubernetes,linux-on-ibm-z/kubernetes,spzala/kubernetes,dixudx/kubernetes,feiskyer/kubernetes,jagosan/kubernetes,dixudx/kubernetes,kevin-wangzefeng/kubernetes,feiskyer/kubernetes,mahak/kubernetes,rrati/kubernetes,shyamjvs/kubernetes,GulajavaMinistudio/kubernetes,zhangmingld/kubernetes,liggitt/kubernetes,mengqiy/kubernetes,nikhita/kubernetes,rrati/kubernetes,nckturner/kubernetes,k82/kubernetes,shyamjvs/kubernetes,sdminonne/kubernetes,mkumatag/kubernetes,ii/kubernetes,ravilr/kubernetes,GulajavaMinistudio/kubernetes,cblecker/kubernetes,hex108/kubernetes,monopole/kubernetes,deads2k/kubernetes,ravilr/kubernetes,jsafrane/kubernetes,kubernetes/kubernetes,linux-on-ibm-z/kubernetes,warmchang/kubernetes,PiotrProkop/kubernetes,tengqm/kubernetes,cblecker/kubernetes,mikebrow/kubernetes,bparees/kubernetes,mikebrow/kubernetes,monopole/kubernetes,monopole/kubernetes,humblec/kubernetes,hex108/kubernetes,openshift/kubernetes,jingxu97/kubernetes,mengqiy/kubernetes,mahak/kubernetes,deads2k/kubernetes,carlory/kubernetes,hex108/kubernetes,spzala/kubernetes,li-ang/kubernetes,ii/kubernetes,gnufied/kubernetes,kevin-wangzefeng/kubernetes,jagosan/kubernetes,matthyx/kubernetes,chestack/kubernetes,dims/kubernetes,shyamjvs/kubernetes,k82/kubernetes,kubernetes/kubernetes,GulajavaMinistudio/kubernetes,gnufied/kubernetes,fabriziopandini/kubernetes,roberthbailey/kubernetes,dims/kubernetes,kevin-wangzefeng/kubernetes,alejandroEsc/kubernetes,linux-on-ibm-z/kubernetes,rnaveiras/kubernetes,ii/kubernetes,alejandroEsc/kubernetes,roberthbailey/kubernetes,mahak/kubernetes,ping035627/kubernetes,k82cn/kubernetes,openshift/kubernetes,matthyx/kubernetes,micahhausler/kubernetes,iameli/kubernetes,ping035627/kubernetes,dims/kubernetes,nckturner/kubernetes,zhouhaibing089/kubernetes,cblecker/kubernetes,enj/kubernetes,monopole/kubernetes,roberthbailey/kubernetes,rnaveiras/kubernetes,matthyx/kubernetes,alejandroEsc/kubernetes,sdminonne/kubernetes,tengqm/kubernetes,BenTheElder/kubernetes,alejandroEsc/kubernetes,wongma7/kubernetes,matthyx/kubernetes,shyamjvs/kubernetes,wongma7/kubernetes,carlory/kubernetes,feiskyer/kubernetes,gnufied/kubernetes,mosoft521/kubernetes,lojies/kubernetes,jagosan/kubernetes,kubernetes/kubernetes,spzala/kubernetes,li-ang/kubernetes,feiskyer/kubernetes,openshift/kubernetes,ii/kubernetes,olivierlemasle/kubernetes,kubernetes/kubernetes,soltysh/kubernetes,carlory/kubernetes,hex108/kubernetes,lojies/kubernetes,jessfraz/kubernetes,spzala/kubernetes,linux-on-ibm-z/kubernetes,zhangmingld/kubernetes,rnaveiras/kubernetes,jessfraz/kubernetes,verb/kubernetes,fanzhangio/kubernetes,jessfraz/kubernetes,jingxu97/kubernetes,feiskyer/kubernetes,sdminonne/kubernetes,thockin/kubernetes,mkumatag/kubernetes,enj/kubernetes,MikeSpreitzer/kubernetes,sdminonne/kubernetes,jackfrancis/kubernetes,jingxu97/kubernetes,csrwng/kubernetes,zhouhaibing089/kubernetes,mosoft521/kubernetes,dixudx/kubernetes,ravilr/kubernetes,olivierlemasle/kubernetes,zhangmingld/kubernetes,monopole/kubernetes,ping035627/kubernetes,liggitt/kubernetes,iameli/kubernetes,openshift/kubernetes,ravilr/kubernetes,li-ang/kubernetes,soltysh/kubernetes,micahhausler/kubernetes,verb/kubernetes,tengqm/kubernetes,aledbf/kubernetes,sdminonne/kubernetes,fabriziopandini/kubernetes,PiotrProkop/kubernetes,jingxu97/kubernetes,jackfrancis/kubernetes,GulajavaMinistudio/kubernetes,carlory/kubernetes,jackfrancis/kubernetes,bparees/kubernetes,carlory/kubernetes,enj/kubernetes,nikhita/kubernetes,soltysh/kubernetes,bparees/kubernetes,ii/kubernetes,mahak/kubernetes,aledbf/kubernetes,roberthbailey/kubernetes,PiotrProkop/kubernetes,kubernetes/kubernetes,rafax/kubernetes,jsafrane/kubernetes,openshift/kubernetes,humblec/kubernetes,csrwng/kubernetes,wongma7/kubernetes,jsafrane/kubernetes,jackfrancis/kubernetes,mkumatag/kubernetes,mkumatag/kubernetes,li-ang/kubernetes,rafax/kubernetes,deads2k/kubernetes,jessfraz/kubernetes,matthyx/kubernetes,mikedanese/kubernetes,mahak/kubernetes,k82cn/kubernetes,kevin-wangzefeng/kubernetes,roberthbailey/kubernetes,dixudx/kubernetes,kevin-wangzefeng/kubernetes,aledbf/kubernetes,GulajavaMinistudio/kubernetes,MikeSpreitzer/kubernetes,dims/kubernetes,rnaveiras/kubernetes,mengqiy/kubernetes,verb/kubernetes,MikeSpreitzer/kubernetes,gnufied/kubernetes,nckturner/kubernetes,hex108/kubernetes,iameli/kubernetes,ravilr/kubernetes,bparees/kubernetes,mikedanese/kubernetes,MikeSpreitzer/kubernetes,thockin/kubernetes,zhangmingld/kubernetes,jsafrane/kubernetes,k82/kubernetes,deads2k/kubernetes,zhouhaibing089/kubernetes,fanzhangio/kubernetes,chestack/kubernetes,shyamjvs/kubernetes,rnaveiras/kubernetes,humblec/kubernetes,fanzhangio/kubernetes,wongma7/kubernetes,soltysh/kubernetes,fanzhangio/kubernetes,nckturner/kubernetes,humblec/kubernetes,alejandroEsc/kubernetes,BenTheElder/kubernetes,fanzhangio/kubernetes,soltysh/kubernetes,mikedanese/kubernetes,mosoft521/kubernetes,enj/kubernetes,nckturner/kubernetes,thockin/kubernetes,jagosan/kubernetes,liggitt/kubernetes,k82/kubernetes,zhangmingld/kubernetes,nikhita/kubernetes,tengqm/kubernetes,BenTheElder/kubernetes,cblecker/kubernetes,zhangmingld/kubernetes,verb/kubernetes,olivierlemasle/kubernetes,mosoft521/kubernetes,mikebrow/kubernetes,warmchang/kubernetes,zhouhaibing089/kubernetes,nikhita/kubernetes,micahhausler/kubernetes,csrwng/kubernetes,rafax/kubernetes,thockin/kubernetes,thockin/kubernetes,spzala/kubernetes,mikebrow/kubernetes,jagosan/kubernetes,mikedanese/kubernetes,lojies/kubernetes,mosoft521/kubernetes,liggitt/kubernetes,BenTheElder/kubernetes,chestack/kubernetes,olivierlemasle/kubernetes,k82cn/kubernetes,k82cn/kubernetes,ping035627/kubernetes,rafax/kubernetes