Fetches metrics from cloudwatch. It can be used with a monitoring system like nagios or zabbix to fetch metrics from cloudwath.
go get github.com/weltn24/metrics-beaver
metrics-beaver \
-namespace AWS/ELB \
-metric.name RequestCount \
-dimension.name LoadBalancerName \
-dimension.value elb-foobar \
-stats Sum \
-period 1m