gistfile1.txt

dylan@salt /srv/salt (internal-ip-nginx-endpoint●)$ _ salt '*' grains.item roles
logstash_staging:
  roles:
      logstash-reciever
      logstash
      elasticsearch
      kibana
logstash_ops:
  roles:
      logstash-reciever
      logstash
      elasticsearch
      kibana
dylan@salt /srv/salt (internal-ip-nginx-endpoint●)$ _ salt '*' grains.has_value 'roles:logstash'
logstash_staging:
    False
logstash_ops:
    False
dylan@salt /srv/salt (internal-ip-nginx-endpoint●)$ _ salt -G 'roles:logstash' test.ping
logstash_ops:
    True
logstash_staging:
    True