The db checks should not be on arbiter
The db checks should not be on arbiter

The arbiter does not get mysql client installed.  The checks depend
on mysql client.  Only apply the db checks to the db hosts.

persistent-ursula/ursula,msambol/ursula,kennjason/ursula,MaheshIBM/ursula,pbannister/ursula,zrs233/ursula,narengan/ursula,blueboxjesse/ursula,ddaskal/ursula,knandya/ursula,jwaibel/ursula,blueboxjesse/ursula,paulczar/ursula,sivakom/ursula,allomov/ursula,panxia6679/ursula,retr0h/ursula,fancyhe/ursula,davidcusatis/ursula,knandya/ursula,nirajdp76/ursula,andrewrothstein/ursula,davidcusatis/ursula,fancyhe/ursula,ddaskal/ursula,edtubillara/ursula,channus/ursula,persistent-ursula/ursula,EricCrosson/ursula,j2sol/ursula,pgraziano/ursula,ryshah/ursula,fancyhe/ursula,j2sol/ursula,MaheshIBM/ursula,aldevigi/ursula,wupeiran/ursula,dlundquist/ursula,kennjason/ursula,nirajdp76/ursula,pgraziano/ursula,andrewrothstein/ursula,zrs233/ursula,panxia6679/ursula,channus/ursula,pgraziano/ursula,masteinhauser/ursula,blueboxgroup/ursula,MaheshIBM/ursula,masteinhauser/ursula,edtubillara/ursula,ddaskal/ursula,nirajdp76/ursula,panxia6679/ursula,edtubillara/ursula,panxia6679/ursula,twaldrop/ursula,EricCrosson/ursula,masteinhauser/ursula,kennjason/ursula,mjbrewer/ursula,aldevigi/ursula,greghaynes/ursula,msambol/ursula,rongzhus/ursula,masteinhauser/ursula,pbannister/ursula,twaldrop/ursula,greghaynes/ursula,knandya/ursula,knandya/ursula,persistent-ursula/ursula,lihkin213/ursula,persistent-ursula/ursula,allomov/ursula,blueboxgroup/ursula,twaldrop/ursula,paulczar/ursula,blueboxgroup/ursula,j2sol/ursula,rongzhus/ursula,channus/ursula,paulczar/ursula,edtubillara/ursula,mjbrewer/ursula,davidcusatis/ursula,blueboxjesse/ursula,sivakom/ursula,blueboxgroup/ursula,mjbrewer/ursula,j2sol/ursula,EricCrosson/ursula,ryshah/ursula,narengan/ursula,narengan/ursula,dlundquist/ursula,wupeiran/ursula,zrs233/ursula,lihkin213/ursula,aldevigi/ursula,channus/ursula,sivakom/ursula,lihkin213/ursula,zrs233/ursula,rongzhus/ursula,lihkin213/ursula,dlundquist/ursula,retr0h/ursula,retr0h/ursula,ryshah/ursula,pgraziano/ursula,greghaynes/ursula,allomov/ursula,msambol/ursula,twaldrop/ursula,ddaskal/ursula,wupeiran/ursula,andrewrothstein/ursula,blueboxjesse/ursula,jwaibel/ursula,jwaibel/ursula,narengan/ursula,nirajdp76/ursula,pbannister/ursula,fancyhe/ursula,ryshah/ursula,rongzhus/ursula,wupeiran/ursula