version: "3.8"

networks:
  ${DOCKER_NET}:
    external: true

services:
  elastic-init:
    container_name: elastic-init
    image: docker.elastic.co/elasticsearch/elasticsearch:8.12.0
    networks:
      - ${CLUSTER_NETWORK}
    volumes:
      - ${ES_ROOT_PATH}/certs:/usr/share/elasticsearch/config/certs
    user: "0"
    command: >
      bash -c '
        if [ x${ELASTIC_PASSWORD} == x ]; then
          echo "Set the ELASTIC_PASSWORD environment variable in the .env file";
          exit 1;
        elif [ x${KIBANA_PASSWORD} == x ]; then
          echo "Set the KIBANA_PASSWORD environment variable in the .env file";
          exit 1;
        fi;
        if [ ! -f config/certs/ca.zip ]; then
          echo "Creating CA";
          bin/elasticsearch-certutil ca --silent --pem -out config/certs/ca.zip;
          unzip config/certs/ca.zip -d config/certs;
        fi;
        if [ ! -f config/certs/certs.zip ]; then
          echo "Creating certs";
          echo -ne \
          "instances:\n"\
          "  - name: es01\n"\
          "    dns:\n"\
          "      - es01\n"\
          "      - localhost\n"\
          "    ip:\n"\
          "      - 127.0.0.1\n"\
          "  - name: es02\n"\
          "    dns:\n"\
          "      - es02\n"\
          "      - localhost\n"\
          "    ip:\n"\
          "      - 127.0.0.1\n"\
          "  - name: es03\n"\
          "    dns:\n"\
          "      - es03\n"\
          "      - localhost\n"\
          "    ip:\n"\
          "      - 127.0.0.1\n"\
          > config/certs/instances.yml;
          bin/elasticsearch-certutil cert --silent --pem -out config/certs/certs.zip --in config/certs/instances.yml --ca-cert config/certs/ca/ca.crt --ca-key config/certs/ca/ca.key;
          unzip config/certs/certs.zip -d config/certs;
        fi;
        echo "Setting file permissions"
        chown -R root:root config/certs;
        find . -type d -exec chmod 750 \{\} \;;
        find . -type f -exec chmod 640 \{\} \;;
        echo "Waiting for Elasticsearch availability";
        until curl -s --cacert config/certs/ca/ca.crt https://es01:9200 | grep -q "missing authentication credentials"; do sleep 30; done;
        echo "Setting kibana_system password";
        until curl -s -X POST --cacert config/certs/ca/ca.crt -u "elastic:${ELASTIC_PASSWORD}" -H "Content-Type: application/json" https://es01:9200/_security/user/kibana_system/_password -d "{\"password\":\"${KIBANA_PASSWORD}\"}" | grep -q "^{}"; do sleep 10; done;
        echo "All done!";
      '
    healthcheck:
      test: [ "CMD-SHELL", "[ -f config/certs/es01/es01.crt ]" ]
      interval: 1s
      timeout: 5s
      retries: 120
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"


  es01:
    depends_on:
      elastic-init:
        condition: service_healthy
    container_name: es01
    restart: always
    image: docker.elastic.co/elasticsearch/elasticsearch:8.12.0
    volumes:
      - ${ES_ROOT_PATH}/certs:/usr/share/elasticsearch/config/certs
      - ${ES_ROOT_PATH}/es01/data:/usr/share/elasticsearch/data
      - ${ES_ROOT_PATH}/es01/logs:/usr/share/elasticsearch/logs
      - ${ES_ROOT_PATH}/es01/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
      - ${ES_ROOT_PATH}/es01/plugins:/usr/share/elasticsearch/plugins
    ports:
      - "${PANEL_APP_PORT_HTTPS}:9200"
      - "${ES_COMMUNICATION_PORT}:9300"
    networks:
      - ${CLUSTER_NETWORK}
    environment:
      - node.name=es01
      - cluster.name=${CLUSTER_NAME}
      - cluster.initial_master_nodes=es01,es02,es03
      - discovery.seed_hosts=es02,es03
      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD}
      - bootstrap.memory_lock=true
      - xpack.security.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.http.ssl.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.http.ssl.key=certs/es01/es01.key
      - xpack.security.http.ssl.certificate=certs/es01/es01.crt
      - xpack.security.http.ssl.certificate_authorities=certs/ca/ca.crt
      - xpack.security.transport.ssl.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.transport.ssl.key=certs/es01/es01.key
      - xpack.security.transport.ssl.certificate=certs/es01/es01.crt
      - xpack.security.transport.ssl.certificate_authorities=certs/ca/ca.crt
      - xpack.security.transport.ssl.verification_mode=certificate
      - xpack.license.self_generated.type=basic
      - ES_JAVA_OPTS=-Xms${ES_JAVA_OPTS_XMS} -Xmx${ES_JAVA_OPTS_XMX}
    mem_limit: ${MEM_LIMIT}
    ulimits:
      memlock:
        soft: -1
        hard: -1
      nofile:
        soft: 65536
        hard: 65536
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "curl -s --cacert config/certs/ca/ca.crt https://localhost:9200 | grep -q 'missing authentication credentials'",
        ]
      interval: 10s
      timeout: 10s
      retries: 120
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  es02:
    depends_on:
      - es01
    container_name: es02
    restart: always
    image: docker.elastic.co/elasticsearch/elasticsearch:8.12.0
    volumes:
      - ${ES_ROOT_PATH}/certs:/usr/share/elasticsearch/config/certs
      - ${ES_ROOT_PATH}/es02/data:/usr/share/elasticsearch/data
      - ${ES_ROOT_PATH}/es02/logs:/usr/share/elasticsearch/logs
      - ${ES_ROOT_PATH}/es02/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
      - ${ES_ROOT_PATH}/es02/plugins:/usr/share/elasticsearch/plugins
    networks:
      - ${CLUSTER_NETWORK}
    environment:
      - node.name=es02
      - cluster.name=${CLUSTER_NAME}
      - cluster.initial_master_nodes=es01,es02,es03
      - discovery.seed_hosts=es01,es03
      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD}
      - bootstrap.memory_lock=true
      - xpack.security.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.http.ssl.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.http.ssl.key=certs/es02/es02.key
      - xpack.security.http.ssl.certificate=certs/es02/es02.crt
      - xpack.security.http.ssl.certificate_authorities=certs/ca/ca.crt
      - xpack.security.transport.ssl.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.transport.ssl.key=certs/es02/es02.key
      - xpack.security.transport.ssl.certificate=certs/es02/es02.crt
      - xpack.security.transport.ssl.certificate_authorities=certs/ca/ca.crt
      - xpack.security.transport.ssl.verification_mode=certificate
      - xpack.license.self_generated.type=basic
      - ES_JAVA_OPTS=-Xms${ES_JAVA_OPTS_XMS} -Xmx${ES_JAVA_OPTS_XMX}
    mem_limit: ${MEM_LIMIT}
    ulimits:
      memlock:
        soft: -1
        hard: -1
      nofile:
        soft: 65536
        hard: 65536
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "curl -s --cacert config/certs/ca/ca.crt https://localhost:9200 | grep -q 'missing authentication credentials'",
        ]
      interval: 10s
      timeout: 10s
      retries: 120
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  es03:
    depends_on:
      - es02
    container_name: es03
    restart: always
    image: docker.elastic.co/elasticsearch/elasticsearch:8.12.0
    volumes:
      - ${ES_ROOT_PATH}/certs:/usr/share/elasticsearch/config/certs
      - ${ES_ROOT_PATH}/es03/data:/usr/share/elasticsearch/data
      - ${ES_ROOT_PATH}/es03/logs:/usr/share/elasticsearch/logs
      - ${ES_ROOT_PATH}/es03/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
      - ${ES_ROOT_PATH}/es03/plugins:/usr/share/elasticsearch/plugins
    networks:
      - ${CLUSTER_NETWORK}
    environment:
      - node.name=es03
      - cluster.name=${CLUSTER_NAME}
      - cluster.initial_master_nodes=es01,es02,es03
      - discovery.seed_hosts=es01,es02
      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD}
      - bootstrap.memory_lock=true
      - xpack.security.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.http.ssl.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.http.ssl.key=certs/es03/es03.key
      - xpack.security.http.ssl.certificate=certs/es03/es03.crt
      - xpack.security.http.ssl.certificate_authorities=certs/ca/ca.crt
      - xpack.security.transport.ssl.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.transport.ssl.key=certs/es03/es03.key
      - xpack.security.transport.ssl.certificate=certs/es03/es03.crt
      - xpack.security.transport.ssl.certificate_authorities=certs/ca/ca.crt
      - xpack.security.transport.ssl.verification_mode=certificate
      - xpack.license.self_generated.type=basic
      - ES_JAVA_OPTS=-Xms${ES_JAVA_OPTS_XMS} -Xmx${ES_JAVA_OPTS_XMX}
    mem_limit: ${MEM_LIMIT}
    ulimits:
      memlock:
        soft: -1
        hard: -1
      nofile:
        soft: 65536
        hard: 65536
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "curl -s --cacert config/certs/ca/ca.crt https://localhost:9200 | grep -q 'missing authentication credentials'",
        ]
      interval: 10s
      timeout: 10s
      retries: 120
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  kibana:
    depends_on:
      es01:
        condition: service_healthy
      es02:
        condition: service_healthy
      es03:
        condition: service_healthy
    container_name: kibana-${CONTAINER_NAME}
    restart: always
    image: docker.elastic.co/kibana/kibana:8.12.0
    volumes:
      - ${ES_ROOT_PATH}/certs:/usr/share/kibana/config/certs
      - ${ES_ROOT_PATH}/kibana/data:/usr/share/kibana/data
      - ${ES_ROOT_PATH}/kibana/config/kibana.yml:/usr/share/kibana/config/kibana.yml
    ports:
      - "${PANEL_APP_PORT_HTTP}:5601"
    networks:
      - ${CLUSTER_NETWORK}
    environment:
      - SERVERNAME=kibana
      - ELASTICSEARCH_HOSTS=https://es01:9200
      - ELASTICSEARCH_USERNAME=kibana_system
      - ELASTICSEARCH_PASSWORD=${KIBANA_PASSWORD}
      - ELASTICSEARCH_SSL_CERTIFICATEAUTHORITIES=config/certs/ca/ca.crt
    mem_limit: ${MEM_LIMIT}
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "curl -s -I http://localhost:5601 | grep -q 'HTTP/1.1 302 Found'",
        ]
      interval: 10s
      timeout: 10s
      retries: 120
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"