So I am getting this message in docker-compose...
log1 | [2020-02-26T12:40:38,174][WARN ][logstash.licensechecker.licensereader] Attempted to resurrect connection to dead ES instance, but got an error. {:url=>"http://elasticsearch:9200/", :error_type=>LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError, :error=>"Elasticsearch Unreachable: [http://elasticsearch:9200/][Manticore::ResolutionFailure] elasticsearch: Name or service not known"}
I don't know docker too well but am using a docker-compose.yml file as shown below:
version: '2.2'
services:
es01:
image: docker.elastic.co/elasticsearch/elasticsearch:7.6.0
container_name: es01
environment:
- node.name=es01
- cluster.name=es-docker-cluster
- discovery.seed_hosts=es02,log01
- cluster.initial_master_nodes=es01,es02
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
volumes:
- data01:/usr/share/elasticsearch/data
ports:
- 9200:9200
networks:
- elastic
es02:
image: docker.elastic.co/elasticsearch/elasticsearch:7.6.0
container_name: es02
environment:
- node.name=es02
- cluster.name=es-docker-cluster
- discovery.seed_hosts=es01,log01
- cluster.initial_master_nodes=es01,es02
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
volumes:
- data02:/usr/share/elasticsearch/data
ports:
- 9201:9201
networks:
- elastic
kib01:
image: docker.elastic.co/kibana/kibana:7.6.0
container_name: kib01
ports:
- 5601:5601
environment:
ELASTICSEARCH_URL: http://es01:9200
ELASTICSEARCH_HOSTS: http://es01:9200
networks:
- elastic
log1:
image: docker.elastic.co/logstash/logstash:7.6.0
container_name: log1
environment:
- cluster.initial_master_nodes=es01,es02
ELASTICSEARCH_URL: http://es01:9200
ELASTICSEARCH_HOSTS: http://es01:9200
volumes:
- data03:/usr/share/elasticsearch/data
networks:
- elastic
volumes:
data01:
driver: local
data02:
driver: local
data03:
driver: local
networks:
elastic:
driver: bridge
Most of this is taken directly from the help documentation. Could anyone shed any light or have any tips to get this working?