ELFK 7.x 集群部署
2021/4/25 10:57:14
本文主要是介绍ELFK 7.x 集群部署，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！
ELFK介绍
ELK 是 elastic 公司旗下三款产品ElasticSearch、Logstash、Kibana的首字母组合，也即Elastic Stack包含ElasticSearch、Logstash、Kibana、Beats。ELK提供了一整套解决方案，并且都是开源软件，之间互相配合使用，完美衔接，高效的满足了很多场合的应用，是目前主流的一种日志系统。
ElasticSearch 一个基于 JSON 的分布式的搜索和分析引擎，作为 ELK 的核心，它集中存储数据， 用来搜索、分析、存储日志。它是分布式的，可以横向扩容，可以自动发现，索引自动分片 Logstash 一个动态数据收集管道，支持以 TCP/UDP/HTTP 多种方式收集数据（也可以接受 Beats 传输来的数据）， 并对数据做进一步丰富或提取字段处理。用来采集日志，把日志解析为json格式交给ElasticSearch Kibana 一个数据可视化组件，将收集的数据进行可视化展示（各种报表、图形化数据），并提供配置、管理 ELK 的界面 Beats 一个轻量型日志采集器，单一用途的数据传输平台，可以将多台机器的数据发送到 Logstash 或 ElasticSearch X-Pack 一个对Elastic Stack提供了安全、警报、监控、报表、图表于一身的扩展包，不过收费
官网：https://www.elastic.co/cn/ ，中文文档：https://elkguide.elasticsearch.cn/
下载elk各组件的旧版本：
https://www.elastic.co/downloads/past-releases
grok正则表达式参考：
https://github.com/logstash-plugins/logstash-patterns-core/blob/master/patterns/grok-patterns
当前最新版本：7.10.1
环境准备
环境准备工作请在所有节点上完成。
- 角色划分：
es主节点/es数据节点/kibana/head 192.168.100.132 es主节点/es数据节点/logstash 192.168.100.133 es主节点/es数据节点/filebeat 192.168.100.134
- 关闭防火墙和selinux：
systemctl stop firewalld && systemctl disable firewalldsed -i 's/=enforcing/=disabled/g' /etc/selinux/config && setenforce 0
- 配置系统：
cat >> /etc/security/limits.conf << EOF * soft nofile 65536 * hard nofile 131072 * soft nproc 2048 * hard nproc 4096 EOF[ `grep 'vm.max_map_count' /etc/sysctl.conf |wc -l` -eq 0 ] && echo 'vm.max_map_count=655360' >> /etc/sysctl.conf sysctl -p
- 安装Java：
mkdir /software && cd /software #将jdk安装包放到 /software 下tar xf jdk-11.0.9_linux-x64_bin.tar.gz && mv jdk-11.0.9 /usr/local/jdk vim /etc/profile JAVA_HOME=/usr/local/jdk PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/jre/libexport JAVA_HOME PATH CLASSPATHsource !$ java -version
elastic-head
elastic-head 部署工作请在 head 节点上完成。
- 安装docker：
curl http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -o /etc/yum.repos.d/docker.repo yum makecache fast yum install -y docker-ce systemctl enable docker && systemctl start docker
- 安装elastic-head：
docker pull mobz/elasticsearch-head:5 docker run -d --name head -p 9100:9100 mobz/elasticsearch-head:5 docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c0ecb506aeb4 mobz/elasticsearch-head:5 "/bin/sh -c 'grunt s…" 3 seconds ago Up 2 seconds 0.0.0.0:9100->9100/tcp head
访问ip:9100，
elasticsearch
elasticsearch 集群部署工作请在 es 节点上完成。
- 安装elasticsearch：
rpm -ivh https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.10.1-x86_64.rpm
- 修改配置：
vim /etc/elasticsearch/elasticsearch.yml
192.168.30.132
cluster.name: elk #集群名，同一集群必须相同node.name: elk-132 #指定节点主机名node.master: true #允许成为主节点node.data: true #数据节点path.data: /var/lib/elasticsearch #数据存放路径path.logs: /var/log/elasticsearch #日志路径bootstrap.memory_lock: false #关闭锁定内存，设置为true会报错network.host: 192.168.30.132 #监听iphttp.port: 9200 #http端口transport.tcp.port: 9300discovery.seed_hosts: ["192.168.30.132", "192.168.30.133", "192.168.30.134"] #master资格节点列表cluster.initial_master_nodes: ["elk-132", "elk-133", "elk-134"] #集群初始节点列表discovery.zen.minimum_master_nodes: 2gateway.recover_after_nodes: 3http.cors.enabled: true #允许head插件访问eshttp.cors.allow-origin: "*"
192.168.30.133
cluster.name: elk #集群名，同一集群必须相同node.name: elk-133 #指定节点主机名node.master: true #允许成为主节点node.data: true #数据节点path.data: /var/lib/elasticsearch #数据存放路径path.logs: /var/log/elasticsearch #日志路径bootstrap.memory_lock: false #关闭锁定内存，设置为true会报错network.host: 192.168.30.133 #监听iphttp.port: 9200 #http端口transport.tcp.port: 9300discovery.seed_hosts: ["192.168.30.132", "192.168.30.133", "192.168.30.134"] #master资格节点列表cluster.initial_master_nodes: ["elk-132", "elk-133", "elk-134"] #集群初始节点列表discovery.zen.minimum_master_nodes: 2gateway.recover_after_nodes: 3http.cors.enabled: true #允许head插件访问eshttp.cors.allow-origin: "*"
192.168.30.134
cluster.name: elk #集群名，同一集群必须相同node.name: elk-134 #指定节点主机名node.master: true #允许成为主节点node.data: true #数据节点path.data: /var/lib/elasticsearch #数据存放路径path.logs: /var/log/elasticsearch #日志路径bootstrap.memory_lock: false #关闭锁定内存，设置为true会报错network.host: 192.168.30.134 #监听iphttp.port: 9200 #http端口transport.tcp.port: 9300discovery.seed_hosts: ["192.168.30.132", "192.168.30.133", "192.168.30.134"] #master资格节点列表cluster.initial_master_nodes: ["elk-132", "elk-133", "elk-134"] #集群初始节点列表discovery.zen.minimum_master_nodes: 2gateway.recover_after_nodes: 3http.cors.enabled: true #允许head插件访问eshttp.cors.allow-origin: "*"
在机器负载不是非常高的时候，建议将所有节点设置允许成为主节点和数据节点，实现集群高可用。
- 启动服务：
systemctl enable elasticsearch && systemctl start elasticsearch
- 查看集群状态：
curl '192.168.30.132:9200/_cluster/health?pretty' #查看集群健康状态
{
"cluster_name" : "elk",
"status" : "green",
"timed_out" : false,
"number_of_nodes" : 3,
"number_of_data_nodes" : 3,
"active_primary_shards" : 0,
"active_shards" : 0,
"relocating_shards" : 0,
"initializing_shards" : 0,
"unassigned_shards" : 0,
"delayed_unassigned_shards" : 0,
"number_of_pending_tasks" : 0,
"number_of_in_flight_fetch" : 0,
"task_max_waiting_in_queue_millis" : 0,
"active_shards_percent_as_number" : 100.0}curl '192.168.30.132:9200/_cat/master?v' #查看集群masterid host ip node oql8XBNFTqSSaiiImwjiEg 192.168.30.133 192.168.30.133 elk-133
curl '192.168.30.132:9200/_cluster/state?pretty' #查看集群详细信息
kibana
kibana 部署工作请在 kibana 节点上完成。
- 安装kibana：
rpm -ivh https://artifacts.elastic.co/downloads/kibana/kibana-7.10.1-x86_64.rpm
- 修改配置：
vim /etc/kibana/kibana.yml
server.port: 5601server.host: "192.168.30.132"elasticsearch.hosts: ["http://192.168.30.132:9200","http://192.168.30.133:9200","http://192.168.30.134:9200"]kibana.index: ".kibana"elasticsearch.username: elasticelasticsearch.password: changemei18n.locale: "zh-CN"
- 启动服务：
systemctl enable kibana && systemctl start kibana
访问ip:5601，
filebeat
filebeat 部署工作请在 filebeat 节点上完成。
- 安装filebeat：
rpm -ivh https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-7.10.1-x86_64.rpm
- 收集nginx日志：
yum install -y nginx && systemctl start nginx
- 修改配置：
vim /etc/filebeat/filebeat.yml
filebeat.inputs:- type: log enabled: true tail_files: true backoff: "1s" paths: - /var/log/nginx/access.log fields: type: nginx_access fields_under_root: true multiline.pattern: '\d+\.\d+\.\d+\.\d+' multiline.negate: true multiline.match: after output.logstash: hosts: ["192.168.30.133:5040"] enabled: true worker: 1 compression_level: 3
- 启动filebeat：
systemctl enable filebeat && systemctl start filebeat
logstash
logstash 部署工作请在 logstash 节点上完成。
- 安装logstash：
rpm -ivh https://artifacts.elastic.co/downloads/logstash/logstash-7.10.1-x86_64.rpm
- 修改配置：
vim /etc/logstash/logstash.yml
http.host: "192.168.30.133"http.port: 9600path.data: /var/lib/logstashpipeline.ordered: autopath.logs: /var/log/logstash
- 收集nginx日志：
vim /etc/logstash/conf.d/nginx.conf
input {
beats {
port => 5040 }}filter {
if [type] == "nginx_access" {
grok {
match => { "message" => "%{COMBINEDAPACHELOG}" }
}
}}output {
if [type] == "nginx_access" {
elasticsearch {
hosts => ["192.168.30.132:9200","192.168.30.133:9200","192.168.30.134:9200"]
user => "elastic"
password => "changeme"
index => "nginx-log"
}
}}- 启动logstash：
/usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/nginx.conf -t #检查配置文件是否正确systemctl enable logstash && systemctl start logstash
- 查看索引：
访问nginx页面，以产生日志，
curl '192.168.30.132:9200/_cat/indices?v'health status index uuid pri rep docs.count docs.deleted store.size pri.store.size green open logstash-2020.12.29-000001 18ZOpN6mSiqZYBNzua0rFg 1 1 0 0 416b 208b green open .apm-custom-link RJ6l1ijjSt2msGVyKQ0yLA 1 1 0 0 416b 208b green open nginx-log L4MZcw6BSMCZzbItjlElVg 1 1 11 0 248.4kb 124.2kb green open .kibana_task_manager_1 QrcOB_pNT9Cj_6yGz4-pfg 1 1 5 978 292.4kb 134.9kb green open .apm-agent-configuration DCbIKU_SSX-nToV5kSxJpA 1 1 0 0 416b 208b green open .kibana-event-log-7.10.1-000001 P8WJ1ayXSPmKUbVkXTA6lw 1 1 1 0 11.2kb 5.6kb green open .kibana_1 AHRdWUl6QgO6inJ3ypekSg 1 1 45 45 8.5mb 4.2mb
head上查看，
kibana上 Stack Management → 索引模式 → 创建索引模式，创建索引 nginx-log，
x-pack
x-pack 启用工作请在 es 节点上完成。
- 生成证书和私钥：
cd /usr/share/elasticsearch/ /usr/share/elasticsearch/bin/elasticsearch-certutil ca #直接回车/usr/share/elasticsearch/bin/elasticsearch-certutil cert --ca elastic-stack-ca.p12 #直接回车cp elastic-certificates.p12 /etc/elasticsearch/scp elastic-certificates.p12 192.168.30.133:!$ ;scp elastic-certificates.p12 192.168.30.134:!$
如果生成证书设置了密码，需要将密码添加到elasticsearch秘钥库：
/usr/share/elasticsearch-keystore add xpack.security.transport.ssl.keystore.secure_password /usr/share/elasticsearch-keystore add xpack.security.transport.ssl.truststore.secure_password
- 修改配置：
vim /etc/elasticsearch/elasticsearch.yml #追加
http.cors.allow-headers: Authorization,X-Requested-With,Content-Length,Content-Type #增加headxpack.security.enabled: true #启用x-packxpack.security.transport.ssl.enabled: truexpack.security.transport.ssl.verification_mode: certificatexpack.security.transport.ssl.keystore.path: elastic-certificates.p12xpack.security.transport.ssl.truststore.path: elastic-certificates.p12
chmod 660 /etc/elasticsearch/elastic-certificates.p12 systemctl restart elasticsearch
- 自定义密码：
/usr/share/elasticsearch/bin/elasticsearch-setup-passwords interactive #自定义密码，任选一节点执行Enter password for [elastic]: elk-2021 Reenter password for [elastic]: elk-2021 Enter password for [apm_system]: elk-2021 Reenter password for [apm_system]: elk-2021 Enter password for [kibana]: elk-2021 Reenter password for [kibana]: elk-2021 Enter password for [logstash_system]: elk-2021 Reenter password for [logstash_system]: elk-2021 Enter password for [beats_system]: elk-2021 Reenter password for [beats_system]: elk-2021 Enter password for [remote_monitoring_user]: elk-2021 Reenter password for [remote_monitoring_user]: elk-2021
curl -u elastic:elk-2021 -XGET 'http://192.168.30.132:9200/_cluster/health?pretty'
{
"cluster_name" : "elk",
"status" : "green",
"timed_out" : false,
"number_of_nodes" : 3,
"number_of_data_nodes" : 3,
"active_primary_shards" : 1,
"active_shards" : 2,
"relocating_shards" : 0,
"initializing_shards" : 0,
"unassigned_shards" : 0,
"delayed_unassigned_shards" : 0,
"number_of_pending_tasks" : 0,
"number_of_in_flight_fetch" : 0,
"task_max_waiting_in_queue_millis" : 0,
"active_shards_percent_as_number" : 100.0}- 修改kibana配置：
vim /etc/kibana/kibana.yml
server.port: 5601server.host: "192.168.30.132"elasticsearch.hosts: ["http://192.168.30.132:9200","http://192.168.30.133:9200","http://192.168.30.134:9200"]kibana.index: ".kibana"elasticsearch.username: elasticelasticsearch.password: elk-2021i18n.locale: "zh-CN"
systemctl restart kibana
刷新kibana网页，可以看到需要登录账号及密码。输入账号：elastic、密码：elk-2021，登录
ELFK 7.x 版本的 basic 许可永不过期，因此不需要像 6.x 版本那样破解。
开启x-pack后访问head需要加上账号及密码，
http://192.168.30.132:9100/?auth_user=elastic&auth_password=elk-2021
- 修改logstash配置：
vim /etc/logstash/logstash.yml
http.host: "192.168.30.133"http.port: 9600path.data: /var/lib/logstashpipeline.ordered: autopath.logs: /var/log/logstashxpack.monitoring.enabled: truexpack.monitoring.elasticsearch.username: logstash_systemxpack.monitoring.elasticsearch.password: elk-2021xpack.monitoring.elasticsearch.hosts: ["http://192.168.30.132:9200","http://192.168.30.133:9200","http://192.168.30.134:9200"]xpack.monitoring.collection.interval: 10s
logstash收集日志时，output部分如果是输出到es，也需要更改账号密码，否则输出会失败。
output {
elasticsearch {
hosts => ["192.168.30.132:9200","192.168.30.133:9200","192.168.30.134:9200"]
user => "elastic"
password => "elk-2021"
}}systemctl restart logstash
- 修改filebeat配置：
filebeat收集日志时，output部分如果是输出到es，也需要更改账号密码，否则输出会失败。
vim /etc/filebeat/filebeat.yml
output.elasticsearch: hosts: ["192.168.30.132:9200","192.168.30.133:9200","192.168.30.134:9200"] username: "elastic" password: "elk-2021"
systemctl restart filebeat
至此，elfk 7.x 集群部署完成。
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