Elasticsearch service

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[Unit]
Description=ElasticSearch service
After=docker.service
Requires=docker.service

[Service]
TimeoutSec=180
EnvironmentFile=/etc/environment

ExecStartPre=/usr/bin/mkdir -p /data/es
ExecStartPre=/usr/bin/docker pull cgswong/elasticsearch

ExecStart=/bin/bash -c '\
  curl -f ${COREOS_PRIVATE_IPV4}:4001/v2/keys/services/logging/es; \
  if [ "$?" = "0" ]; then \
      UNICAST_HOSTS=$(etcdctl ls --recursive /services/logging/es \
                      | sed "s/\/services\/logging\/es\///g" \
                      | sed "s/$/:9300/" \
                      | paste -s -d","); \
  else \
      UNICAST_HOSTS=""; \
  fi; \
  /usr/bin/docker run \
    --name %p-%i \
    --publish 9200:9200 \
    --publish 9300:9300 \
    --volume /data/es:/data \
    cgswong/elasticsearch \
    /elasticsearch/bin/elasticsearch \
    --node.name=%p-%i \
    --cluster.name=elk01 \
    --network.publish_host=${COREOS_PRIVATE_IPV4} \
    --discovery.zen.ping.multicast.enabled=false \
    --discovery.zen.ping.unicast.hosts=$UNICAST_HOSTS'

ExecStop=/usr/bin/docker stop %p-%i
ExecStop=/usr/bin/docker rm %p-%i

[X-Fleet]
Conflicts=%p@*.service