fix docker_build_opts bound variable
fix docker_build_opts bound variable

Signed-off-by: Zou Nengren <047192ffb1bb92d1a9da72010e74062f77d489fa@gmail.com>

ravisantoshgudimetla/kubernetes,ingvagabund/kubernetes,roberthbailey/kubernetes,ingvagabund/kubernetes,njuicsgz/kubernetes-1,Lion-Wei/kubernetes,krmayankk/kubernetes,davidz627/kubernetes,tcnghia/kubernetes,dixudx/kubernetes,mikebrow/kubernetes,brendandburns/kubernetes,soltysh/kubernetes,chrislovecnm/kubernetes,thockin/kubernetes,jessfraz/kubernetes,nikhita/kubernetes,du2016/kubernetes,ii/kubernetes,rrati/kubernetes,erwinvaneyk/kubernetes,kevensen/kubernetes,xlgao-zju/kubernetes,mboersma/kubernetes,pmorie/kubernetes,mfojtik/kubernetes,fabriziopandini/kubernetes,fejta/kubernetes,linux-on-ibm-z/kubernetes,derekwaynecarr/kubernetes,andrewsykim/kubernetes,tomzhang/kubernetes,cofyc/kubernetes,ravilr/kubernetes,erwinvaneyk/kubernetes,bizhao/kubernetes,weiwei04/kubernetes,ConnorDoyle/kubernetes,andrewsykim/kubernetes,tallclair/kubernetes,sethpollack/kubernetes,LalatenduMohanty/kubernetes,krmayankk/kubernetes,aveshagarwal/kubernetes,kpgriffith/kubernetes,fanzhangio/kubernetes,huangjiuyuan/kubernetes,wenlxie/kubernetes,rafax/kubernetes,iameli/kubernetes,derekwaynecarr/kubernetes,csrwng/kubernetes,jackfrancis/kubernetes,olivierlemasle/kubernetes,khenidak/kubernetes,soltysh/kubernetes,mYmNeo/kubernetes,andrewrynhard/kubernetes,li-ang/kubernetes,stevesloka/kubernetes,saad-ali/kubernetes,csrwng/kubernetes,pmorie/kubernetes,sdminonne/kubernetes,monopole/kubernetes,wenlxie/kubernetes,joelsmith/kubernetes,verult/kubernetes,fgimenez/kubernetes,maciaszczykm/kubernetes,mikebrow/kubernetes,jagosan/kubernetes,brendandburns/kubernetes,derekwaynecarr/kubernetes,yujuhong/kubernetes,cadmuxe/kubernetes,csrwng/kubernetes,ConnorDoyle/kubernetes,frodenas/kubernetes,mosoft521/kubernetes,mkumatag/kubernetes,kitt1987/kubernetes,humblec/kubernetes,aveshagarwal/kubernetes,pweil-/kubernetes,pwittrock/kubernetes,idvoretskyi/kubernetes,kevensen/kubernetes,tomerf/kubernetes,enj/kubernetes,iameli/kubernetes,huangjiuyuan/kubernetes,nckturner/kubernetes,verult/kubernetes,mfojtik/kubernetes,humblec/kubernetes,x13n/kubernetes,Clarifai/kubernetes,rafax/kubernetes,pwittrock/kubernetes,gnufied/kubernetes,li-ang/kubernetes,tallclair/kubernetes,PI-Victor/kubernetes,monopole/kubernetes,LalatenduMohanty/kubernetes,deads2k/kubernetes,jsafrane/kubernetes,GulajavaMinistudio/kubernetes,cblecker/kubernetes,MHBauer/kubernetes,jingxu97/kubernetes,thockin/kubernetes,mengqiy/kubernetes,yarntime/kubernetes,nikhita/kubernetes,Acidburn0zzz/kubernetes,andrewrynhard/kubernetes,maciaszczykm/kubernetes,carlory/kubernetes,du2016/kubernetes,kitt1987/kubernetes,weiwei04/kubernetes,matthyx/kubernetes,alejandroEsc/kubernetes,mkumatag/kubernetes,tomerf/kubernetes,jfrazelle/kubernetes,krmayankk/kubernetes,dims/kubernetes,ConnorDoyle/kubernetes,yarntime/kubernetes,zetaab/kubernetes,kevensen/kubernetes,carlory/kubernetes,aveshagarwal/kubernetes,cblecker/kubernetes,ping035627/kubernetes,thockin/kubernetes,luxas/kubernetes,davidz627/kubernetes,BenTheElder/kubernetes,enj/kubernetes,krmayankk/kubernetes,cofyc/kubernetes,iterion/kubernetes,fejta/kubernetes,sanjeevm0/kubernetes,brendandburns/kubernetes,JacobTanenbaum/kubernetes,fejta/kubernetes,matthyx/kubernetes,mikebrow/kubernetes,pwittrock/kubernetes,jagosan/kubernetes,mosoft521/kubernetes,jdef/kubernetes,kpgriffith/kubernetes,johscheuer/kubernetes,mboersma/kubernetes,chestack/kubernetes,zhouhaibing089/kubernetes,kitt1987/kubernetes,micahhausler/kubernetes,feiskyer/kubernetes,weiwei04/kubernetes,mikebrow/kubernetes,luxas/kubernetes,andrewsykim/kubernetes,k82/kubernetes,erwinvaneyk/kubernetes,shyamjvs/kubernetes,matthyx/kubernetes,maciaszczykm/kubernetes,linux-on-ibm-z/kubernetes,k82/kubernetes,rafax/kubernetes,gnufied/kubernetes,csrwng/kubernetes,verb/kubernetes,matthyx/kubernetes,ii/kubernetes,x13n/kubernetes,mikedanese/kubernetes,tcnghia/kubernetes,tomerf/kubernetes,nak3/kubernetes,joelsmith/kubernetes,brendandburns/kubernetes,derekwaynecarr/kubernetes,PI-Victor/kubernetes,bparees/kubernetes,fanzhangio/kubernetes,dlorenc/kubernetes,MikeSpreitzer/kubernetes,wongma7/kubernetes,wanghaoran1988/kubernetes,zhangmingld/kubernetes,matthyx/kubernetes,weiwei04/kubernetes,MHBauer/kubernetes,xlgao-zju/kubernetes,xychu/kubernetes,Lion-Wei/kubernetes,sdminonne/kubernetes,jackfrancis/kubernetes,gnufied/kubernetes,JacobTanenbaum/kubernetes,saad-ali/kubernetes,Lion-Wei/kubernetes,warmchang/kubernetes,MikeSpreitzer/kubernetes,ravilr/kubernetes,liggitt/kubernetes,kevin-wangzefeng/kubernetes,shyamjvs/kubernetes,jackfrancis/kubernetes,lichuqiang/kubernetes,lojies/kubernetes,olivierlemasle/kubernetes,tcnghia/kubernetes,ixdy/kubernetes,u2takey/kubernetes,njuicsgz/kubernetes-1,cadmuxe/kubernetes,pires/kubernetes,enj/kubernetes,lojies/kubernetes,chrislovecnm/kubernetes,pmorie/kubernetes,dereknex/kubernetes,mYmNeo/kubernetes,mboersma/kubernetes,kevensen/kubernetes,liggitt/kubernetes,LalatenduMohanty/kubernetes,LalatenduMohanty/kubernetes,sanjeevm0/kubernetes,iameli/kubernetes,fanzhangio/kubernetes,carlory/kubernetes,aveshagarwal/kubernetes,zetaab/kubernetes,jessfraz/kubernetes,jingxu97/kubernetes,mikedanese/kubernetes,hex108/kubernetes,GulajavaMinistudio/kubernetes,jfrazelle/kubernetes,deads2k/kubernetes,liggitt/kubernetes,enj/kubernetes,ixdy/kubernetes,ravisantoshgudimetla/kubernetes,iterion/kubernetes,du2016/kubernetes,chrislovecnm/kubernetes,verb/kubernetes,mfojtik/kubernetes,rnaveiras/kubernetes,nak3/kubernetes,Acidburn0zzz/kubernetes,gnufied/kubernetes,fabriziopandini/kubernetes,PiotrProkop/kubernetes,maciaszczykm/kubernetes,monopole/kubernetes,lichuqiang/kubernetes,joelsmith/kubernetes,PiotrProkop/kubernetes,nckturner/kubernetes,jessfraz/kubernetes,tomzhang/kubernetes,mkumatag/kubernetes,Clarifai/kubernetes,pwittrock/kubernetes,jessfraz/kubernetes,kevin-wangzefeng/kubernetes,zhangmingld/kubernetes,chrislovecnm/kubernetes,li-ang/kubernetes,fgimenez/kubernetes,fejta/kubernetes,tallclair/kubernetes,kitt1987/kubernetes,pweil-/kubernetes,dims/kubernetes,kpgriffith/kubernetes,cmluciano/kubernetes,cadmuxe/kubernetes,joelsmith/kubernetes,aledbf/kubernetes,ii/kubernetes,frodenas/kubernetes,monopole/kubernetes,ingvagabund/kubernetes,huangjiuyuan/kubernetes,mengqiy/kubernetes,yujuhong/kubernetes,dlorenc/kubernetes,ingvagabund/kubernetes,fgimenez/kubernetes,cofyc/kubernetes,cmluciano/kubernetes,spzala/kubernetes,liggitt/kubernetes,alejandroEsc/kubernetes,derekwaynecarr/kubernetes,andrewrynhard/kubernetes,yujuhong/kubernetes,JacobTanenbaum/kubernetes,gnufied/kubernetes,wenlxie/kubernetes,jfrazelle/kubernetes,tallclair/kubernetes,JacobTanenbaum/kubernetes,ravisantoshgudimetla/kubernetes,spzala/kubernetes,mikebrow/kubernetes,tcnghia/kubernetes,jagosan/kubernetes,tomzhang/kubernetes,njuicsgz/kubernetes-1,x13n/kubernetes,pwittrock/kubernetes,ii/kubernetes,monopole/kubernetes,erwinvaneyk/kubernetes,lichuqiang/kubernetes,roberthbailey/kubernetes,lichuqiang/kubernetes,xychu/kubernetes,soltysh/kubernetes,bparees/kubernetes,mengqiy/kubernetes,u2takey/kubernetes,wanghaoran1988/kubernetes,dereknex/kubernetes,cmluciano/kubernetes,coolsvap/kubernetes,nak3/kubernetes,k82cn/kubernetes,dixudx/kubernetes,du2016/kubernetes,wongma7/kubernetes,Lion-Wei/kubernetes,mboersma/kubernetes,mengqiy/kubernetes,PI-Victor/kubernetes,openshift/kubernetes,mahak/kubernetes,andrewrynhard/kubernetes,tpepper/kubernetes,x13n/kubernetes,pweil-/kubernetes,warmchang/kubernetes,kubernetes/kubernetes,rrati/kubernetes,jfrazelle/kubernetes,cadmuxe/kubernetes,khenidak/kubernetes,Clarifai/kubernetes,wongma7/kubernetes,kevin-wangzefeng/kubernetes,yarntime/kubernetes,saad-ali/kubernetes,xlgao-zju/kubernetes,fejta/kubernetes,olivierlemasle/kubernetes,hex108/kubernetes,davidz627/kubernetes,xlgao-zju/kubernetes,khenidak/kubernetes,ravisantoshgudimetla/kubernetes,dlorenc/kubernetes,carlory/kubernetes,dims/kubernetes,tomzhang/kubernetes,pwittrock/kubernetes,jingxu97/kubernetes,dixudx/kubernetes,tallclair/kubernetes,jagosan/kubernetes,sanjeevm0/kubernetes,coolsvap/kubernetes,khenidak/kubernetes,wenlxie/kubernetes,lojies/kubernetes,davidz627/kubernetes,nckturner/kubernetes,PiotrProkop/kubernetes,nckturner/kubernetes,jessfraz/kubernetes,roberthbailey/kubernetes,stevesloka/kubernetes,pires/kubernetes,fanzhangio/kubernetes,wanghaoran1988/kubernetes,mikedanese/kubernetes,du2016/kubernetes,k82/kubernetes,sanjeevm0/kubernetes,aledbf/kubernetes,wongma7/kubernetes,deads2k/kubernetes,yujuhong/kubernetes,LalatenduMohanty/kubernetes,lojies/kubernetes,cblecker/kubernetes,zetaab/kubernetes,klaus1982/kubernetes,davidz627/kubernetes,ConnorDoyle/kubernetes,BenTheElder/kubernetes,rrati/kubernetes,pweil-/kubernetes,xlgao-zju/kubernetes,cblecker/kubernetes,PI-Victor/kubernetes,johscheuer/kubernetes,ixdy/kubernetes,tomzhang/kubernetes,ingvagabund/kubernetes,verb/kubernetes,x13n/kubernetes,Lion-Wei/kubernetes,mYmNeo/kubernetes,BenTheElder/kubernetes,Clarifai/kubernetes,aledbf/kubernetes,kitt1987/kubernetes,stevesloka/kubernetes,pires/kubernetes,tomerf/kubernetes,rnaveiras/kubernetes,luxas/kubernetes,mYmNeo/kubernetes,dims/kubernetes,joelsmith/kubernetes,huangjiuyuan/kubernetes,ravisantoshgudimetla/kubernetes,ConnorDoyle/kubernetes,luxas/kubernetes,kubernetes/kubernetes,mikedanese/kubernetes,jdef/kubernetes,jdef/kubernetes,pires/kubernetes,jsafrane/kubernetes,lichuqiang/kubernetes,frodenas/kubernetes,bparees/kubernetes,tpepper/kubernetes,sanjeevm0/kubernetes,chestack/kubernetes,pweil-/kubernetes,jingxu97/kubernetes,mkumatag/kubernetes,luxas/kubernetes,feiskyer/kubernetes,kubernetes/kubernetes,x13n/kubernetes,liggitt/kubernetes,ixdy/kubernetes,saad-ali/kubernetes,tallclair/kubernetes,mboersma/kubernetes,ravisantoshgudimetla/kubernetes,PI-Victor/kubernetes,BenTheElder/kubernetes,johscheuer/kubernetes,bparees/kubernetes,erwinvaneyk/kubernetes,bparees/kubernetes,cofyc/kubernetes,kevin-wangzefeng/kubernetes,BenTheElder/kubernetes,saad-ali/kubernetes,sanjeevm0/kubernetes,alejandroEsc/kubernetes,Clarifai/kubernetes,fanzhangio/kubernetes,ravilr/kubernetes,aledbf/kubernetes,xlgao-zju/kubernetes,khenidak/kubernetes,ConnorDoyle/kubernetes,tengqm/kubernetes,mboersma/kubernetes,chrislovecnm/kubernetes,dixudx/kubernetes,feiskyer/kubernetes,ping035627/kubernetes,brendandburns/kubernetes,wanghaoran1988/kubernetes,mkumatag/kubernetes,rrati/kubernetes,xychu/kubernetes,li-ang/kubernetes,fabriziopandini/kubernetes,ii/kubernetes,hex108/kubernetes,mahak/kubernetes,GulajavaMinistudio/kubernetes,nikhita/kubernetes,njuicsgz/kubernetes-1,Acidburn0zzz/kubernetes,zhouhaibing089/kubernetes,soltysh/kubernetes,csrwng/kubernetes,nak3/kubernetes,tomerf/kubernetes,tpepper/kubernetes,MikeSpreitzer/kubernetes,tcnghia/kubernetes,humblec/kubernetes,tengqm/kubernetes,njuicsgz/kubernetes-1,mfojtik/kubernetes,lichuqiang/kubernetes,verb/kubernetes,fabriziopandini/kubernetes,roberthbailey/kubernetes,iterion/kubernetes,zhouhaibing089/kubernetes,iterion/kubernetes,micahhausler/kubernetes,linux-on-ibm-z/kubernetes,enj/kubernetes,mahak/kubernetes,openshift/kubernetes,kpgriffith/kubernetes,frodenas/kubernetes,Clarifai/kubernetes,joelsmith/kubernetes,cadmuxe/kubernetes,mengqiy/kubernetes,zhouhaibing089/kubernetes,kubernetes/kubernetes,tomerf/kubernetes,mikedanese/kubernetes,cofyc/kubernetes,wenlxie/kubernetes,nikhita/kubernetes,linux-on-ibm-z/kubernetes,u2takey/kubernetes,tomzhang/kubernetes,chrislovecnm/kubernetes,verult/kubernetes,jackfrancis/kubernetes,shyamjvs/kubernetes,zhouhaibing089/kubernetes,MikeSpreitzer/kubernetes,tengqm/kubernetes,PiotrProkop/kubernetes,rnaveiras/kubernetes,verult/kubernetes,deads2k/kubernetes,khenidak/kubernetes,idvoretskyi/kubernetes,kitt1987/kubernetes,k82/kubernetes,iameli/kubernetes,zetaab/kubernetes,jsafrane/kubernetes,yarntime/kubernetes,mYmNeo/kubernetes,cofyc/kubernetes,MHBauer/kubernetes,mfojtik/kubernetes,shyamjvs/kubernetes,feiskyer/kubernetes,Acidburn0zzz/kubernetes,micahhausler/kubernetes,dereknex/kubernetes,hex108/kubernetes,nak3/kubernetes,PiotrProkop/kubernetes,wongma7/kubernetes,cadmuxe/kubernetes,klaus1982/kubernetes,johscheuer/kubernetes,lojies/kubernetes,kpgriffith/kubernetes,weiwei04/kubernetes,aveshagarwal/kubernetes,JacobTanenbaum/kubernetes,sethpollack/kubernetes,u2takey/kubernetes,ravilr/kubernetes,maciaszczykm/kubernetes,dims/kubernetes,ping035627/kubernetes,andrewsykim/kubernetes,stevesloka/kubernetes,tengqm/kubernetes,wanghaoran1988/kubernetes,ixdy/kubernetes,dereknex/kubernetes,GulajavaMinistudio/kubernetes,openshift/kubernetes,saad-ali/kubernetes,zetaab/kubernetes,bizhao/kubernetes,kevensen/kubernetes,tpepper/kubernetes,JacobTanenbaum/kubernetes,dlorenc/kubernetes,zhangmingld/kubernetes,carlory/kubernetes,openshift/kubernetes,sdminonne/kubernetes,feiskyer/kubernetes,olivierlemasle/kubernetes,mahak/kubernetes,mahak/kubernetes,iterion/kubernetes,tpepper/kubernetes,sdminonne/kubernetes,klaus1982/kubernetes,fejta/kubernetes,alejandroEsc/kubernetes,roberthbailey/kubernetes,stevesloka/kubernetes,nikhita/kubernetes,rrati/kubernetes,tomzhang/kubernetes,xychu/kubernetes,chestack/kubernetes,mosoft521/kubernetes,andrewsykim/kubernetes,pires/kubernetes,krmayankk/kubernetes,jsafrane/kubernetes,aledbf/kubernetes,nckturner/kubernetes,yarntime/kubernetes,cmluciano/kubernetes,mfojtik/kubernetes,mboersma/kubernetes,tcnghia/kubernetes,MHBauer/kubernetes,ping035627/kubernetes,zetaab/kubernetes,zhangmingld/kubernetes,bizhao/kubernetes,mYmNeo/kubernetes,idvoretskyi/kubernetes,cmluciano/kubernetes,sethpollack/kubernetes,dereknex/kubernetes,tpepper/kubernetes,wanghaoran1988/kubernetes,idvoretskyi/kubernetes,luxas/kubernetes,sethpollack/kubernetes,soltysh/kubernetes,ravilr/kubernetes,iameli/kubernetes,tomzhang/kubernetes,ping035627/kubernetes,zhangmingld/kubernetes,spzala/kubernetes,sethpollack/kubernetes,u2takey/kubernetes,erwinvaneyk/kubernetes,cmluciano/kubernetes,xychu/kubernetes,warmchang/kubernetes,njuicsgz/kubernetes-1,idvoretskyi/kubernetes,cblecker/kubernetes,mboersma/kubernetes,huangjiuyuan/kubernetes,johscheuer/kubernetes,klaus1982/kubernetes,pmorie/kubernetes,rnaveiras/kubernetes,frodenas/kubernetes,derekwaynecarr/kubernetes,warmchang/kubernetes,k82cn/kubernetes,coolsvap/kubernetes,jingxu97/kubernetes,maciaszczykm/kubernetes,LalatenduMohanty/kubernetes,micahhausler/kubernetes,njuicsgz/kubernetes-1,rafax/kubernetes,fgimenez/kubernetes,olivierlemasle/kubernetes,verult/kubernetes,stevesloka/kubernetes,MHBauer/kubernetes,pmorie/kubernetes,sdminonne/kubernetes,jdef/kubernetes,bizhao/kubernetes,pires/kubernetes,humblec/kubernetes,chestack/kubernetes,mosoft521/kubernetes,linux-on-ibm-z/kubernetes,warmchang/kubernetes,alejandroEsc/kubernetes,k82cn/kubernetes,ingvagabund/kubernetes,shyamjvs/kubernetes,jdef/kubernetes,yarntime/kubernetes,GulajavaMinistudio/kubernetes,hex108/kubernetes,zhangmingld/kubernetes,PI-Victor/kubernetes,deads2k/kubernetes,ixdy/kubernetes,dlorenc/kubernetes,coolsvap/kubernetes,andrewrynhard/kubernetes,pmorie/kubernetes,li-ang/kubernetes,jackfrancis/kubernetes,aveshagarwal/kubernetes,coolsvap/kubernetes,verult/kubernetes,Lion-Wei/kubernetes,openshift/kubernetes,njuicsgz/kubernetes-1,spzala/kubernetes,tomzhang/kubernetes,huangjiuyuan/kubernetes,jdef/kubernetes,Acidburn0zzz/kubernetes,yujuhong/kubernetes,u2takey/kubernetes,johscheuer/kubernetes,tengqm/kubernetes,coolsvap/kubernetes,kubernetes/kubernetes,pweil-/kubernetes,xychu/kubernetes,verb/kubernetes,chestack/kubernetes,fabriziopandini/kubernetes,kpgriffith/kubernetes,hex108/kubernetes,andrewrynhard/kubernetes,rnaveiras/kubernetes,dereknex/kubernetes,bizhao/kubernetes,k82cn/kubernetes,weiwei04/kubernetes,thockin/kubernetes,brendandburns/kubernetes,k82cn/kubernetes,yujuhong/kubernetes,frodenas/kubernetes,humblec/kubernetes,k82/kubernetes,mosoft521/kubernetes,Acidburn0zzz/kubernetes,jfrazelle/kubernetes,nak3/kubernetes,wenlxie/kubernetes,fgimenez/kubernetes,bizhao/kubernetes,dlorenc/kubernetes,MHBauer/kubernetes,andrewsykim/kubernetes,spzala/kubernetes,idvoretskyi/kubernetes,dixudx/kubernetes,davidz627/kubernetes,jagosan/kubernetes,iterion/kubernetes,fgimenez/kubernetes,thockin/kubernetes,krmayankk/kubernetes,kevin-wangzefeng/kubernetes,MikeSpreitzer/kubernetes,micahhausler/kubernetes,jsafrane/kubernetes,fanzhangio/kubernetes