Imports
- github.com/nmcclain/ldap
- github.com/prometheus/client_golang/prometheus
- github.com/prometheus/client_golang/prometheus/promhttp
- github.com/rs/zerolog
- github.com/rs/zerolog/log
- golang.org/x/oauth2/google
- google.golang.org/api/admin/directory/v1
- google.golang.org/api/option
- gopkg.in/alecthomas/kingpin.v2