Solução alternativa awk
:
awk -F': ' '{ gsub(/"/,"") }/SERVER/{ s=$2; next }{ print s, $1, $2 }' file
A saída:
us-east-1e-421 SERVICES.SNMP.STATUS ok
us-east-1e-421 SERVICES.NTP.LATENCY 1.644
us-east-1e-421 SERVICES.POSTFIX.STATUS ok
us-west-1c-353 SERVICES.SNMP.STATUS ok
us-west-1c-353 SERVICES.NTP.STATUS ok
us-west-1c-353 SERVICES.NTP.LATENCY 1.541
us-west-1c-353 SERVICES.RSYNC.STATUS ok
us-west-1c-353 SERVICES.NGINX.STATUS ok