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使用dockerswarm搭建EFK（elasticsearch、filebeat、kibana)

elasticsearch安装

elasticsearch.yml 参考官方文档https://www.elastic.co/guide/en/elasticsearch/reference/current/docker.html

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version: '3'

services: 
  elasticsearch:
    image: elasticsearch:7.4.2
    restart: always
    ulimits: 
      memlock:
        soft: -1
        hard: -1
    ports: 
      - 9200:9200
    networks: 
      - logging
    volumes: 
      - esdata1:/usr/share/elastcisearch/data
      - ./elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
    environment: 
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"

volumes: 
  esdata1:
    driver: local

networks: 
  logging:
    external: 
      name: logging

新版在安装过程中遇到两个问题

  • 1 the default discovery settings are unsuitable for production use; at least one of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured
    需要新建elasticsearch.yml文件（https://github.com/elastic/elasticsearch/blob/master/distribution/src/config/elasticsearch.yml）
    修改node.name和cluster.initial_master_nodes一致

    # ======================== Elasticsearch Configuration =========================
#
# NOTE: Elasticsearch comes with reasonable defaults for most settings.
#       Before you set out to tweak and tune the configuration, make sure you
#       understand what are you trying to accomplish and the consequences.
#
# The primary way of configuring a node is via this file. This template lists
# the most important settings you may want to configure for a production cluster.
#
# Please consult the documentation for further information on configuration options:
# https://www.elastic.co/guide/en/elasticsearch/reference/index.html
#
# ---------------------------------- Cluster -----------------------------------
#
# Use a descriptive name for your cluster:
#
cluster.name: es-cluster
#
# ------------------------------------ Node ------------------------------------
#
# Use a descriptive name for the node:
#
node.name: "es-master"
#
# Add custom attributes to the node:
#
#node.attr.rack: r1
#
# ----------------------------------- Paths ------------------------------------
#
# Path to directory where to store the data (separate multiple locations by comma):
#
#${path.data}
#
# Path to log files:
#
#${path.logs}
#
# ----------------------------------- Memory -----------------------------------
#
# Lock the memory on startup:
#
#bootstrap.memory_lock: true
#
# Make sure that the heap size is set to about half the memory available
# on the system and that the owner of the process is allowed to use this
# limit.
#
# Elasticsearch performs poorly when the system is swapping the memory.
#
# ---------------------------------- Network -----------------------------------
#
# Set the bind address to a specific IP (IPv4 or IPv6):
#
network.host: 0.0.0.0
#
# Set a custom port for HTTP:
#
#http.port: 9200
#
# For more information, consult the network module documentation.
#
# --------------------------------- Discovery ----------------------------------
#
# Pass an initial list of hosts to perform discovery when this node is started:
# The default list of hosts is ["127.0.0.1", "[::1]"]
#
discovery.seed_hosts: ["127.0.0.1", "[::1]"]
#
# Bootstrap the cluster using an initial set of master-eligible nodes:
#
cluster.initial_master_nodes: ["es-master"]
#
# For more information, consult the discovery and cluster formation module documentation.
#
# ---------------------------------- Gateway -----------------------------------
#
# Block initial recovery after a full cluster restart until N nodes are started:
#
#gateway.recover_after_nodes: 3
#
# For more information, consult the gateway module documentation.
#
# ---------------------------------- Various -----------------------------------
#
# Require explicit names when deleting indices:
#
#action.destructive_requires_name: true
http.cors.enabled: true
http.cors.allow-origin: /.*/
  • 2 max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
    在宿主机修改/etc/sysctl.conf,添加 
    vm.max_map_count=262144

filebeat

filebeat 相对于flnent代码ruqin小，无须修改已经开发的相关java项目，且内存占用小

docker-compose.yml

version: '3'

services: 
  filebeat:
    image: elastic/filebeat:7.4.2
    container_name: filebeat
    volumes: 
      - ./filebeat.yml:/usr/share/filebeat/filebeat.yml
    restart: always
    networks: 
      - logging
    deploy:
      replicas: 1

networks: 
  logging:
    external: 
      name: logging

filebeat.yml

filebeat.inputs:
- type: log
  paths:
    - /var/lib/docker/containers/*/*.log

output.elasticsearch:
  hosts: ["elasticsearch:9200"]

kibana

kibana没有什么繁琐的配置，指定ELASTICSEARCH_HOSTS即可

docker-compose.yml 配置如下

version: '3'

services: 
  kibana:
    image: kibana:7.4.2
    ports: 
      - 5601:5601
    networks: 
      - logging
    environment: 
      ELASTICSEARCH_HOSTS: http://elasticsearch:9200

networks: 
  logging: 
    external: 
      name: logging

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