ELK日志分析平台(三) --- kibana数据可视化

刺骨的言语ヽ痛彻心扉 2023-02-16 09:22 1阅读 0赞

# 一、kibana简介 #

Kibana 核心产品搭载了一批经典功能：柱状图、线状图、饼图、旭日图，等等。  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70]  
将地理数据融入任何地图：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 1]

精选的时序性 UI，对您Elasticsearch 中的数据执行高级时间序列分析。  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 2]  
利用 Graph 功能分析数据间的关系：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 3]

Kibana 开发工具为开发人员提供了多种强大方法来帮助其与 Elastic Stack 进行交互。  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 4]

# 二、kibana安装与配置 #

kibana下载：[https://elasticsearch.cn/download/][https_elasticsearch.cn_download]

注意：下载的版本要和es和logstach的版本相同

我们将kibana安装在server4（172.25.1.4）：

[root@server4 ~]# rpm -ivh kibana-7.6.1-x86_64.rpm

配置：

[root@server4 ~]# cd /etc/kibana/
    [root@server4 kibana]# vim kibana.yml 
    server.port: 5601			#服务端口
    server.host: "172.25.0.4"		#服务监听地址
    elasticsearch.hosts: ["http://172.25.0.1:9200"]	#ES集群地址
    kibana.index: ".kibana"			#kibana在ES中创建的索引
    i18n.locale: "zh-CN"			#语言

启动服务：

[root@server4 kibana]# systemctl start kibana.service 
    
    [root@server4 kibana]# netstat -antlp | grep :5601
    tcp        0      0 172.25.1.4:5601         0.0.0.0:*               LISTEN      31827/node

启动后直接在浏览器访问`172.25.1.4:5601`：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 5]可以先使用提供的样例数据，选择sample web logs：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 6]以上这些信息都已经放到了es中：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 7]

# 三、kibana实战 #

上篇博客中我们使用logstach生成了一个apachelog放在es中，我们可以将其调用并可视化：

创建索引模式：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 8]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 9]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 10]添加索引后查看：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 11]

接下来创建可视化：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 12]选择最简单的指标：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 13]可以看到创建后就可以看到之前测试的100次访问：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 14]此时保证logstach的采集一直打开，再进行一百次测试访问，测试后再次查看点击右上角的刷新，可以看到次数已经变成了200.

之后点击左上角的保存，名称设置为`access summary`，之后就可以在仪表板添加这个可视化：  
首先创建一个仪表板：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 15]  
创建后点击左上角添加：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 16]添加后就可以在仪表板看到添加的可是化组件了：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 17]之后点击保存，保存仪表板，保存名称为`apache traffic`，可以使用全屏展示。

接下来我们再添加几个可视化组件，添加一个条形图，在存储桶设置x轴为字段clientip字段的信息：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 18]  
保证logstach开启采集的情况下在其他主机进行一些数量不同访问测试（没有ab命令的可以安装httpd-tools工具），测试访问后刷新：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 19]

可以看出条形图已经有了排序，将可视化保存为`access top 5`，之后在仪表板添加这个可视化，点击编辑–添加–access top 5：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 20]

可以看到仪表板的内容在不断丰富，保存后我们再添加可视化：

添加一个饼图可视化：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 21]  
保存后添加到仪表板中：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 22]

# 四、启用xpack安全验证 #

集群模式需要先创建证书：

# cd /usr/share/elasticsearch/
    # bin/elasticsearch-certutil ca
    # bin/elasticsearch-certutil cert --ca elastic-stack-ca.p12
    # cp elastic-certificates.p12 elastic-stack-ca.p12 /etc/elasticsearch
    # chown elasticsearch elastic-certificates.p12 elastic-stack-ca.p12

配置所有的elasticsearch集群节点：

# vim /etc/elasticsearch/elasticsearch.yml
    xpack.security.enabled: true
    xpack.security.transport.ssl.enabled: true
    xpack.security.transport.ssl.verification_mode: certificate
    xpack.security.transport.ssl.keystore.path: /etc/elasticsearch/elastic-certificates.p12
    xpack.security.transport.ssl.truststore.path: /etc/elasticsearch/elastic-certificates.p12

ES集群重启正常后，设置用户密码：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 23]设置kibana连接ES的用户密码：

# vim /etc/kibana/kibana.yml
    elasticsearch.username: "kibana"
    elasticsearch.password: "westos"

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 24]设置Logstash连接ES用户密码:

output { 
            elasticsearch { 
                    hosts => "172.25.0.13:9200"
                    index => "apachelog-%{+YYYY.MM.dd}"
    		 user => "elastic"
    		 password => "westos"
            }
    }

head访问：`http://172.25.0.13:9100/?auth_user=elastic&auth_password=westos`  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODg3NTQ2_size_16_color_FFFFFF_t_70 25]

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[https_elasticsearch.cn_download]: https://elasticsearch.cn/download/
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