lsyncd.conf.lua

--
-- lsyncd conf file
--

settings {
   delay        = 1,
   maxProcesses = 5,
   logfile = "/var/log/lsyncd/lsyncd.log",
   statusFile = "/var/log/lsyncd/lsyncd-status.log",
}

-- iterate InSerrvice EC2 instances

local instances_command = "aws elb describe-instance-health --load-balancer-name default-load-balancer --region `ec2-metadata -z | grep -Po '(us|sa|eu|ap)-(north|south)?(east|west)?-[0-9]+'` --output text --query 'InstanceStates[*].[State, InstanceId]' | awk '$1 ~ /^InService$/{print $2}'"

local handle = io.popen(instances_command)
for line in handle:lines() do
        address_command = "aws ec2 describe-instances --instance-ids " .. line .. " --region `ec2-metadata -z | grep -Po '(us|sa|eu|ap)-(north|south)?(east|west)?-[0-9]+'` --query 'Reservations[0].Instances[0].[PrivateDnsName]' --output text"
        local address_handle = io.popen(address_command)
        local address = address_handle:read("*l")
        address_handle:close()
        print(address)

        sync {
                default.rsyncssh,
                source = "/tmp/lsyncd",
                host = address,
                targetdir = "/tmp/lsyncd",
                rsync = {
                        archive = true,
                        compress = true
                },
                ssh = {
                        options = {
                                        StrictHostKeyChecking="no",
                                        UserKnownHostsFile="/dev/null"
                        }
                }
        }
end

handle:close()