余二五 2017-11-14 1035浏览量
ELK日志平台是一个完整的日志分析系统,有三个开源工具构建组成,分别是:Elasticsearch、Logstash和Kibana。Elasticsearch用于数据分析和深度搜索;Logstash作用是从其他服务器上传输和转发日志,对其集中管理,进行分析;Kibana则是提供了强大的UI展示,将数据可视化。
安装ELK日志平台
ELK基础环境需要java环境,官网要求5.x版本要大于java8。而且安装方式多样化,支持zip、tar.gz、rpm包、deb包、window环境还有docker环境。根据自己喜好选择吧。
我选择的是yum安装,简单方便,系统要求的话没有辣么严格,官网说yum安装方式不再支持centos5.x系列了,非要用centos5.x就去使用tar.gz包吧,官网有具体方法,不再复述。yum安装方式centos6.x和centos7.x都可以,但是我推荐用centos7.x安装,不知道为啥,感觉centos7.x支持更好,centos6.x装完经常会出问题。
还有一点需要说下就是,ELK各个组件版本要一致,官网要求的!
在一个就是安装顺序,为的是确保每个组件相互调用时都能正常运行:
1、Elasticsearch
X-Pack for Elasticsearch
Kibana
X-Pack for Kibana
LogstashBeatsElasticsearch Hadoop
安装Elasticsearch
1、导入Elasticsearch安装包PGP Key
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rpm -- import https: //artifacts .elastic.co /GPG-KEY-elasticsearch
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2、创建yum源
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[root@localhost ~] # cat >> /etc/yum.repos.d/elasticsearch.repo <<EOF
> [elasticsearch-5.x] > name=Elasticsearch repository for 5.x packages
> baseurl=https: //artifacts .elastic.co /packages/5 .x /yum
> gpgcheck=1 > gpgkey=https: //artifacts .elastic.co /GPG-KEY-elasticsearch
> enabled=1 > autorefresh=1 > type =rpm-md
> EOF |
3、安装、启动Elasticsearch进程并开机启动
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[wangpeng@localhost ~]$ sudo yum install elasticsearch
[wangpeng@localhost ~]$ sudo /bin/systemctl daemon-reload
[wangpeng@localhost ~]$ sudo /bin/systemctl enable elasticsearch.service
[wangpeng@localhost ~]$ sudo systemctl start elasticsearch.service
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4、检查Elasticsearch是否已经启动
查看9200、9300是否已经启动
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[wangpeng@localhost ~]$ curl http: //localhost :9200
{ "name" : "F5Mw8Pp" ,
"cluster_name" : "elasticsearch" ,
"cluster_uuid" : "zVEeXtPNTaeH-TKah7Buzw" ,
"version" : {
"number" : "5.4.0" ,
"build_hash" : "780f8c4" ,
"build_date" : "2017-04-28T17:43:27.229Z" ,
"build_snapshot" : false ,
"lucene_version" : "6.5.0"
},
"tagline" : "You Know, for Search"
} |
5、配置Elasticsearch
rpm包配置文件在/etc/elasticsearch下面的elasticsearch.yml
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vim /etc/elasticsearch/elasticsearch .yml
cluster.name: elasticsearch- test
node.name: node-1 path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
network.host: 0.0.0.0 [wangpeng@localhost ~]$ sudo systemctl restart elasticsearch.service
[wangpeng@localhost ~]$ curl http: //localhost :9200
{ "name" : "node-1" ,
"cluster_name" : "elasticsearch-test" ,
"cluster_uuid" : "zVEeXtPNTaeH-TKah7Buzw" ,
"version" : {
"number" : "5.4.0" ,
"build_hash" : "780f8c4" ,
"build_date" : "2017-04-28T17:43:27.229Z" ,
"build_snapshot" : false ,
"lucene_version" : "6.5.0"
},
"tagline" : "You Know, for Search"
} |
6、将/etc/elasticsearch/配置拷贝到/usr/share/elasticsearch/config下面
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[wangpeng@localhost ~]$ sudo mkdir /usr/share/elasticsearch/config
[wangpeng@localhost ~]$ sudo ln -sf /etc/elasticsearch/ * /usr/share/elasticsearch/config/
[wangpeng@localhost ~]$ sudo chown -R elasticsearch:elasticsearch /usr/share/elasticsearch
[wangpeng@localhost ~]$ sudo systemctl restart elasticsearch.service
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注意:这一点好多人不会注意,因为你不修复也不会启动失败,但是就是写不进数据进去,这个坑好久才发现,看下日志会报错,但是却能启动,我也是服了!~
7、装个head插件
这个插件5.X官网不再支持了,插件命令没有了,因为它有自己x-pack插件了,但是我装了x-pack发现着实让人吐血,有安全认证方面的问题,导致elk各种问题出现,目前还没研究明白,时间不充裕。
这个head插件我是直接抄的网上大神制作,略有改动。
7.1、下载并配置nodejs
由于head插件本质上还是一个nodejs的工程,因此需要安装node,使用npm来安装依赖的包。(npm可以理解为maven)
去官网下载nodejs,https://nodejs.org/en/download/
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wget https: //nodejs .org /dist/v8 .1.1 /node-v8 .1.1-linux-x64. tar .xz
tar xf node-v8.1.1-linux-x64. tar .xz
mv node-v8.1.1-linux-x64 /usr/local/node
chown -R elasticsearch:elasticsearch /usr/local/node
ln -sf /usr/local/node/bin/node /usr/bin/node
ln -sf /usr/local/node/bin/npm /usr/bin/npm
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7.2、安装grunt
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npm install -g grunt-cli
ln -sf /usr/local/node/bin/grunt /usr/bin/grunt cd /var/lib/elasticsearch
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7.3、下载、安装并配置head
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yum -y install git
cd /var/lib/elasticsearch
git clone git: //github .com /mobz/elasticsearch-head .git
chown -R elasticsearch:elasticsearch elasticsearch- head /
cd elasticsearch- head /
npm install
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7.4、配置head文件
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[root@elk-node1 ~] # cd /var/lib/elasticsearch/elasticsearch-head/
vim Gruntfile.js connect: { server: {
options: {
port: 9100,
hostname : "0.0.0.0" ,
base: '.' ,
keepalive: true
}
}
} [root@elk-node1 elasticsearch- head ] # cd _site/
[root@elk-node1 _site] # vim app.js
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把localhost修改成你es的服务器地址:
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this.base_uri = this.config.base_uri || this.prefs.get( "app-base_uri" ) || "http://10.10.10.10:9200" ;
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7.5、启动head插件
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grunt server &
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安装Kibana
1、yum安装Kibana
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[wangpeng@localhost ~]$ sudo yum install kibana
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rpm包配置文件在/etc/kibana下面的kibana.yml
/etc/kibana/kibana.yml
2、配置Kibana文件
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[wangpeng@localhost ~]$ vim /etc/kibana/kibana .yml
server.port: 5601 server.host: "0.0.0.0"
elasticsearch.url: "http://localhost:9200"
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3、启动并设置开机启动
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[wangpeng@localhost ~]$ sudo systemctl enable kibana.service
Created symlink from /etc/systemd/system/multi-user .target.wants /kibana .service to /etc/systemd/system/kibana .service
[wangpeng@localhost ~]$ sudo systemctl start kibana.service
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安装Logstash
1、yum安装Logstash
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[wangpeng@localhost ~]$ sudo yum -y install logstash
[wangpeng@localhost ~]$ sudo systemctl start logstash.service
[wangpeng@localhost ~]$ sudo ln -s /usr/share/logstash/bin/logstash /usr/bin/logstash
[wangpeng@localhost ~]$ sudo -u logstash sh -c 'mkdir -pv /usr/share/logstash/config'
[wangpeng@localhost ~]$ sudo -u logstash sh -c 'ln -s /etc/logstash/* /usr/share/logstash/config/'
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2、测试Logstash是否能正常运行
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[wangpeng@localhost ~]$ sudo logstash -e 'input {stdin{}}output { stdout{}}'
hello world 2017-06-02T07:14:13.130Z localhost hello world [wangpeng@localhost ~]$ sudo logstash -e 'input {stdin{}}output {
stdout{codec=>rubydebug}}' hello world The stdin plugin is now waiting for input:
{ "@timestamp" => 2017-06-02T07:17:44.053Z,
"@version" => "1" ,
"host" => "localhost" ,
"message" => "hello world"
} |
3、写个测试文件,测试一下es是否能够接受数据
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[wangpeng@localhost ~]$ vim /etc/logstash/conf .d /test .conf
input{ stdin{}
} output{ elasticsearch{
hosts => "127.0.0.1:9200"
index => "test-messages-%{+YYYY.MM.dd}"
}
} [wangpeng@localhost ~]$ logstash -f /etc/logstash/conf .d /test .conf -t
Sending Logstash's logs to /var/log/logstash which is now configured via log4j2.properties
Configuration OK [wangpeng@localhost ~]$ logstash -f /etc/logstash/conf .d /test .conf
Sending Logstash's logs to /var/log/logstash which is now configured via log4j2.properties
The stdin plugin is now waiting for input:
hello world this is test message
study logstash |
4、Kibana里添加该索引(测试),只要es里面能产生索引,Kibana就能加在上去
安装调试先到这里。
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