Using --listen-ip parameter shows error with starting teleport

[stevenGravy]

Expected behavior:

The --listen-ip would be succesful or give informative information why this isn't a valid config. The parameter otherwise needs to support a port as well.

Current behavior:

teleport start --listen-ip=172.2.2.2

ERRO             failed parsing address: '' config/configuration.go:2917
ERRO             failed parsing address: '' config/configuration.go:2917
ERRO             failed parsing address: '' config/configuration.go:2917

The issue appears to be it's setting this ip as a listen address when the services expect a host and port. Code here:

teleport/lib/config/configuration.go

Line 2784 in 228b392

func applyListenIP(ip net.IP, cfg *servicecfg.Config) {

Bug details:

• Teleport version: 17.1.6
• Recreation steps

1. Run teleport start --listen-ip=<ip>