- create new variable with type Query and name it as you wish
- under Query Options:
- Query:
container_tasks_state{state="running",container_label_com_docker_swarm_service_name=~".*_logstash"}
- Regex: /.container_label_com_docker_swarm_service_name="(.)",container_label_com_docker_swarm_task_id=/
- Query:
it will create variables for any service which ends with "logstash"