Couchbase security problem: credential leakage like #1680

[babs]

Security problem related to #1680

Relevant telegraf.conf:

[[inputs.couchbase]]
servers = ["http://admin:xxxxx@localhost:8091"]

System info:

Telegraf v1.7.0 (git: release-1.7 f4d22dd)

Expected behavior:

While node cluster tag has been properly sanitized, bucket stats hasn't and password is still show in the tag

I think it's a matter of

Porting https://github.com/DanKans/telegraf/blob/ab1c11b06d7b1a0542d1d8b2106e6af825b866cc/plugins/inputs/couchbase/couchbase.go#L81 change to https://github.com/DanKans/telegraf/blob/ab1c11b06d7b1a0542d1d8b2106e6af825b866cc/plugins/inputs/couchbase/couchbase.go#L89

tags := map[string]string{"cluster": addr, "bucket": bucketName} to tags := map[string]string{"cluster": regexpURI.ReplaceAllString(addr, "${1}"), "bucket": bucketName}