kubelet: Record kubelet_evictions when limits are hit
kubelet: Record kubelet_evictions when limits are hit

The pod, container, and emptyDir volumes can all trigger evictions
when their limits are breached. To ensure that administrators can
alert on these type of evictions, update kubelet_evictions to include
the following signal types:

* ephemeralcontainerfs.limit - container ephemeral storage breaches its limit
* ephemeralpodfs.limit - pod ephemeral storage breaches its limit
* emptydirfs.limit - pod emptyDir storage breaches its limit

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