制作Tomcat镜像 · kubernetes

1、下载Tomcat二进制包 https://mirror.bit.edu.cn/apache/tomcat/tomcat-8/v8.5.31/bin/apache-tomcat-8.5.31.tar.gz ``` mkdir /data/dockerfile/tomcat/ tar zxvf apache-maven-8.5.31-bin.tar.gz -C /data/dockerfile/tomcat/ ``` 关闭AIP端口 ``` vim /data/dockerfile/tomcat/apache-tomcat-8.5.31/conf/server.xml  日志配置 vim /data/dockerfile/tomcat/apache-tomcat-8.5.31/conf/logging.properties 3manager.org.apache.juli.AsyncFileHandler, 4host-manager.org.apache.juli.AsyncFileHandler 1catalina.org.apache.juli.AsyncFileHandler.level = INFO 1catalina.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs 1catalina.org.apache.juli.AsyncFileHandler.prefix = catalina. 2localhost.org.apache.juli.AsyncFileHandler.level = INFO 2localhost.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs 2localhost.org.apache.juli.AsyncFileHandler.prefix = localhost. #3manager.org.apache.juli.AsyncFileHandler.level = FINE #3manager.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs #3manager.org.apache.juli.AsyncFileHandler.prefix = manager. #4host-manager.org.apache.juli.AsyncFileHandler.level = FINE #4host-manager.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs #4host-manager.org.apache.juli.AsyncFileHandler.prefix = host-manager. java.util.logging.ConsoleHandler.level = INFO java.util.logging.ConsoleHandler.formatter = org.apache.juli.OneLineFormatter ``` 底包镜像下载 docker pull stanleyws/jre8:8u112 创建dockerfile ``` cat >Dockerfile <<'EOF' From harbor.od.com/public/jre:8u112 RUN /bin/cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime &&\ echo 'Asia/Shanghai' >/etc/timezone ENV CATALINA_HOME /opt/tomcat ENV LANG zh_CN.UTF-8 ADD apache-tomcat-8.5.50/ /opt/tomcat ADD config.yml /opt/prom/config.yml ADD jmx_javaagent-0.3.1.jar /opt/prom/jmx_javaagent-0.3.1.jar WORKDIR /opt/tomcat ADD entrypoint.sh /entrypoint.sh CMD ["/bin/bash","/entrypoint.sh"] EOF ``` JVM监控所需jar包 ``` wget -O jmx_javaagent-0.3.1.jar https://repo1.maven.org/maven2/io/prometheus/jmx/jmx_prometheus_javaagent/0.3.1/jmx_prometheus_javaagent-0.3.1.jar ``` jmx\_agent读取的配置文件 ``` cat >config.yml <<'EOF' --- rules: - pattern: '.*' EOF ``` 容器启动脚本 ``` cat >entrypoint.sh <<'EOF' #!/bin/bash M_OPTS="-Duser.timezone=Asia/Shanghai -javaagent:/opt/prom/jmx_javaagent-0.3.1.jar=$(hostname -i):${M_PORT:-"12346"}:/opt/prom/config.yml" # Pod ip:port 监控规则传给jvm监控客户端 C_OPTS=${C_OPTS} # 启动追加参数 MIN_HEAP=${MIN_HEAP:-"128m"} # java虚拟机初始化时的最小内存 MAX_HEAP=${MAX_HEAP:-"128m"} # java虚拟机初始化时的最大内存 JAVA_OPTS=${JAVA_OPTS:-"-Xmn384m -Xss256k -Duser.timezone=GMT+08 -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection -XX:CMSFullGCsBeforeCompaction=0 -XX:+CMSClassUnloadingEnabled -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=80 -XX:SoftRefLRUPolicyMSPerMB=0 -XX:+PrintClassHistogram -Dfile.encoding=UTF8 -Dsun.jnu.encoding=UTF8"} # 年轻代，gc回收 CATALINA_OPTS="${CATALINA_OPTS}" JAVA_OPTS="${M_OPTS} ${C_OPTS} -Xms${MIN_HEAP} -Xmx${MAX_HEAP} ${JAVA_OPTS}" sed -i -e "1a\JAVA_OPTS=\"$JAVA_OPTS\"" -e "1a\CATALINA_OPTS=\"$CATALINA_OPTS\"" /opt/tomcat/bin/catalina.sh cd /opt/tomcat && /opt/tomcat/bin/catalina.sh run 2>&1 >> /opt/tomcat/logs/stdout.log # 日志文件 EOF ``` 构建docker ``` chmod u+x entrypoint.sh docker build . -t harbor.od.com/base/tomcat:v8.5.31 docker push harbor.od.com/base/tomcat:v8.5.31 ```