List
CentOS7.3
prometheus-2.2.1.linux-amd64.tar.gz
redis_exporter-v0.30.0.linux-amd64.tar.gz
节点名
IP
软件版本
硬件
网络
说明
Prometheus
192.168.43.144
list 里面都有
2C4G
Nat，内网
测试环境
Tomcat
192.168.43.134
list 里面都有
2C4G
Nat，内网
测试环境
部署Prometheus
部署Promehteus请看我前面写的文章
https://www.cnblogs.com/you-men/p/12839535.html
部署Tomcat 下载安装tomcat wget https://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-8/v8.5.55/bin/apache-tomcat-8.5.55.tar.gz tar xvf apache-tomcat-8.5.47.tar.gz -C /usr/local/ ln -s /usr/local/apache-tomcat-8.5.47/ /usr/local/tomcat tail -1 /etc/profile export CATALINA_HOME=http://www.likecs.com/usr/local/tomcat source /etc/profile env |grep -i home CATALINA_HOME=http://www.likecs.com/usr/local/tomcat HOME=http://www.likecs.com/root # 查看熵池的大小： cat /proc/sys/kernel/random/entropy_avail 180 增加熵池大小，解决Tomcat在CentOS 7巨慢的问题 # 安装rng服务,增大熵池 yum -y install rng-tools systemctl start rngd && systemctl enable rngd # 启动服务访问Tomcat页面快一百倍.. 启动tomcat /usr/local/tomcat/bin/catalina.sh start Using CATALINA_BASE: /usr/local/tomcat Using CATALINA_HOME: /usr/local/tomcat Using CATALINA_TMPDIR: /usr/local/tomcat/temp Using JRE_HOME: /usr/local/jdk Using CLASSPATH: /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar Tomcat started. ss -antp |grep java LISTEN 0 100 *:8009 *:* users:(("java",pid=857,fd=58)) LISTEN 0 100 *:8080 *:* users:(("java",pid=857,fd=53)) LISTEN 0 1 127.0.0.1:8005 *:* users:(("java",pid=857,fd=73)) tomcat三个端口 # 8005: 是tomcat本身的端口，本地管理端口号 # 8080: 主端口号，是tomcat负责建立http连接的端口，通过浏览器访问tomcat服务器的web 应用时，使用此端口 # 8009: 是tomcat负责和其他http服务器建立连接的端口，ajp的编辑器 tomcat启动脚本 vim /etc/init.d/tomcat #!/bin/bash #chkconfig: 2345 96 14 export JAVA_HOME=http://www.likecs.com/usr/java/jdk1.8.0_121 export CATALINA_HOME=http://www.likecs.com/usr/local/tomcat exec $CATALINA_HOME/bin/catalina.sh $* # $*将脚本本身自带的参数全部传递过来，就是catalina.sh --help看到的所有的参数start stop等 chmod +x /etc/init.d/tomcat chkconfig --add tomcat chkconfig tomcat on service tomcat start systemctl status tomcat tail -f catalina.out 服务启动不起来查看这个日志文件 配置JMX Exporter 项目地址:https://github.com/prometheus/jmx_exporter
# jar包地址: https://repo1.maven.org/maven2/io/prometheus/jmx/jmx_prometheus_javaagent/0.3.1/jmx_prometheus_javaagent-0.3.1.jar mkdir -p /usr/local/jmx/ cp jmx_prometheus_javaagent-0.3.1.jar /usr/local/jmx/ # 下载地址：https://github.com/prometheus/jmx_exporter/blob/master/example_configs/tomcat.yml cp /usr/local/src/tomcat.yaml /usr/local/jmx/config.yaml cat /usr/local/jmx/config.yaml --- lowercaseOutputLabelNames: true lowercaseOutputName: true rules: - pattern: 'Catalina<type=GlobalRequestProcessor, name=\"(\w+-\w+)-(\d+)\"><>(\w+):' name: tomcat_$3_total labels: port: "$2" protocol: "$1" help: Tomcat global $3 type: COUNTER - pattern: 'Catalina<j2eeType=Servlet, WebModule=http://www.likecs.com//([-a-zA-Z0-9+&@#/%?=~_|!:.,;]*[-a-zA-Z0-9+&@#/%=~_|]), name=([-a-zA-Z0-9+/$%~_-|!.]*), J2EEApplication=none, J2EEServer=none><>(requestCount|maxTime|processingTime|errorCount):' name: tomcat_servlet_$3_total labels: module: "$1" servlet: "$2" help: Tomcat servlet $3 total type: COUNTER - pattern: 'Catalina<type=ThreadPool,><>(currentThreadCount|currentThreadsBusy|keepAliveCount|pollerThreadCount|connectionCount):' name: tomcat_threadpool_$3 labels: port: "$2" protocol: "$1" help: Tomcat threadpool $3 type: GAUGE - pattern: 'Catalina<type=Manager, host=([-a-zA-Z0-9+&@#/%?=~_|!:.,;]*[-a-zA-Z0-9+&@#/%=~_|]), context=([-a-zA-Z0-9+/$%~_-|!.]*)><>(processingTime|sessionCounter|rejectedSessions|expiredSessions):' name: tomcat_session_$3_total labels: context: "$2" host: "$1" help: Tomcat session $3 total type: COUNTER 收集tomcat数据 Jar包应用 java -javaagent:./jmx_prometheus_javaagent-0.3.0.jar=9151:config.yaml -jar yourJar.jar War包应用进入bin目录$TOMCAT_HOME/bin，将jmx_exporter.jar包文件和config.yaml文件复制到这里。然后修改里面的一个catalina.sh的脚本，找到JAVA_OPTS,加上以下配置(代理)：
如果有多tomcat,建议将jmx_prometheus_javaagent和config.yaml文件放到固定的目录,$TOMCAT_HOME/bin/catalina.sh文件中写绝对路径.
# 修改bin/catalina.sh 文件 # 添加： JAVA_OPTS="-javaagent:/usr/local/jmx/jmx_prometheus_javaagent-0.3.1.jar=39081:/usr/local/jmx/config.yaml" # service tomcat restart ss -atnlp |grep java LISTEN 0 100 *:8080 *:* users:(("java",pid=2110,fd=57)) LISTEN 0 1 127.0.0.1:8005 *:* users:(("java",pid=2110,fd=76)) LISTEN 0 100 *:8009 *:* users:(("java",pid=2110,fd=61)) LISTEN 0 3 *:39081 *:* users:(("java",pid=2110,fd=14))