Aerospike plugin sometimes failing with panic.

[TheSAS]

Relevant telegraf.conf:

[agent]
flush_interval = "10s"
flush_jitter = "5s"
hostname = "aerospike-1"
interval = "10s"
round_interval = true
[inputs.aerospike]

System info:

Telegraf v1.6.0 (git: release-1.6 9253f6f)
Amazon Linux AMI release 2017.09

Steps to reproduce:

1. Just configure aerospike plugin with provided config

Expected behavior:

Work seamlessly.

Actual behavior:

Failing once in a week with:

panic: close of closed channel

goroutine 4 [running]:
github.com/aerospike/aerospike-client-go.(*Cluster).Close(0xc42035f0e0)
        /home/ubuntu/telegraf-build/src/github.com/aerospike/aerospike-client-go/cluster.go:744 +0x4f
github.com/aerospike/aerospike-client-go.(*Client).Close(0xc4203de6f0)
        /home/ubuntu/telegraf-build/src/github.com/aerospike/aerospike-client-go/client.go:108 +0x2e
github.com/aerospike/aerospike-client-go.clientFinalizer(0xc4203de6f0)
        /home/ubuntu/telegraf-build/src/github.com/aerospike/aerospike-client-go/client.go:53 +0x2b

Additional info:

This problem is already fixed in upstream aerospike-client-go by PR: aerospike/aerospike-client-go#208
To fix this problem:

• https://github.com/influxdata/telegraf/blob/master/Godeps#L2 should be updated with v1.30.0 aerospike-client-go version - dcec4388c832b931227afe511b7f047c6b1b53ce, or even better with latest v1.32.0 - 9701404f4c60a6ea256595d24bf318f721a7e8b8