Cara menggunakan penyelia untuk menguruskan bekas nginx dan tomcat

Keperluan:

Gunakan docker untuk memulakan proses dwi nginx + tomcat Dalam aplikasi sebenar, berbilang proses adalah perkara biasa.

1: Cipta direktori fail docker

mkdir -p /docker/web

2: Tulis fail docker: /docker/web/dockerfile

from centos7

maintainer lin test@163.com

copy centos-base.repo /etc/yum.repos.d/centos-base.repo

copy nginx_install.sh /tmp/nginx_install.sh

run sh /tmp/nginx_install.sh; \rm -rf /usr/local/src/*

run sed -i -e '/worker_processes/a daemon off;' /usr/local/nginx/conf/nginx.conf;

 

copy jdk-8u162-linux-x64.tar.gz /usr/local/src/jdk-8u162-linux-x64.tar.gz

copy tomcat_install.sh /tmp/tomcat_install.sh

run sh /tmp/tomcat_install.sh; \rm -rf /usr/local/src/*

 

copy supervisor_install.sh /tmp/supervisor_install.sh

copy supervisord.conf /etc/supervisord.conf

copy start_tomcat.sh /usr/local/tomcat/bin/mystart.sh

run sh /tmp/supervisor_install.sh; \rm -rf /tmp/*.sh

3: Fail konfigurasi bersepadu fail Docker dan fail pemasangan

3.1 Muat turun sumber lalai adalah perlahan, tukar sumber yum, salin fail konfigurasi centos-base.repo berikut ke dalam bekas dan gantikannya

copy centos-base.repo /etc/yum.repos.d/centos-base.repo

[root@docker web]# cat centos-base.repo 

[base]

name=centos-$releasever - base

baseurl=http://mirrors.163.com/centos/$releasever/os/$basearch/

gpgcheck=1

gpgkey=file:///etc/pki/rpm-gpg/rpm-gpg-key-centos-7

 

#released updates

[updates]

name=centos-$releasever - updates

baseurl=http://mirrors.163.com/centos/$releasever/updates/$basearch/

gpgcheck=1

gpgkey=file:///etc/pki/rpm-gpg/rpm-gpg-key-centos-7

 

#additional packages that may be useful

[extras]

name=centos-$releasever - extras

baseurl=http://mirrors.163.com/centos/$releasever/extras/$basearch/

gpgcheck=1

gpgkey=file:///etc/pki/rpm-gpg/rpm-gpg-key-centos-7

 

#additional packages that extend functionality of existing packages

[centosplus]

name=centos-$releasever - plus

baseurl=http://mirrors.163.com/centos/$releasever/centosplus/$basearch/

gpgcheck=1

enabled=0

gpgkey=file:///etc/pki/rpm-gpg/rpm-gpg-key-centos-7

skrip pemasangan 3.2nginx

[root@docker web]# cat nginx_install.sh 

yum install -y wget tar gcc gcc-c++ make pcre pcre-devel zlib zlib-devel openssl openssl-devel

 

cd /usr/local/src

wget 'http://nginx.org/download/nginx-1.12.2.tar.gz'

tar -zxvf nginx-1.12.2.tar.gz

cd nginx-1.12.2

./configure --prefix=/usr/local/nginx --with-http_ssl_module --with-stream --with-stream_ssl_module

make

make install

exit 0

3.3tomcat skrip pemasangan

[root@docker web]# cat tomcat_install.sh 

yum install -y wget tar

cd /usr/local/src/

tar -zxvf jdk-8u162-linux-x64.tar.gz

mv jdk1.8.0_162 /usr/local/

#/usr/local/jdk1.8.0_162/bin/java -version

 

#配置java环境变量

echo 'java_home=/usr/local/jdk1.8.0_162/' >>/etc/profile

echo 'path=$path:$java_home/bin' >>/etc/profile

echo 'classpath=.:$java_home/lib/tools.jar:$java_home/lib/dt.jar:$classpath' >>/etc/profile

source /etc/profile

 

wget https://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-8/v8.5.38/bin/apache-tomcat-8.5.38.tar.gz

tar -zxvf apache-tomcat-8.5.38.tar.gz

mv apache-tomcat-8.5.38 /usr/local/tomcat

3.4 Fail konfigurasi, skrip dan pakej pemasangan yang terlibat dalam fail dockerfile adalah seperti berikut

[root@docker web]# ll

total 185384

-rw-r--r-- 1 root root 835 mar 9 01:12 centos-base.repo

-rw-r--r-- 1 root root 669 mar 9 01:11 dockerfile

-rw-r--r-- 1 root root 189815615 mar 9 01:15 jdk-8u162-linux-x64.tar.gz

-rw-r--r-- 1 root root 340 mar 9 01:13 nginx_install.sh

-rw-r--r-- 1 root root 581 mar 9 01:17 tomcat_install.sh

4: Pemasangan satu klik penyelia: /docker/web/supervisor_install. sh

yum -y install epel-release
yum -y install python2-pip
pip install supervisor

5 : fail konfigurasi penyelia: /docker/web/supervisord.conf

[unix_http_server]

file=/tmp/supervisor.sock ; the path to the socket file

 

[supervisord]

logfile=/tmp/supervisord.log ; 日志

logfile_maxbytes=50mb ; 最大50m日志

logfile_backups=10 ; 轮循日志备份10个

loglevel=info ; 日志等级记录info的

pidfile=/tmp/supervisord.pid ;pid

nodaemon=true ;在前台启动

minfds=102400 ; 文件描述符限制

minprocs=2000 ; 进程数

 

[rpcinterface:supervisor]

supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface

 

[supervisorctl]

serverurl=unix:///tmp/supervisor.sock ; use a unix:// url for a unix socket

 

[program:nginx]

command=/usr/local/nginx/sbin/nginx ; 前台启动nginx

autostart=true ; 随着supervisor自动启动

startsecs=10 ; 启动10s后算正常启动

autorestart=true ; 程序退出后自动重启

startretries=3 ; 启动失败自动重试次数

stdout_logfile_maxbytes=20mb ;stdout 日志文件大小最大20mb

stdout_logfile=/usr/local/nginx/logs/out.log

 

[program:tomcat]

command=sh /usr/local/tomcat/bin/mystart.sh ; 前台启动tomcat

autostart=true ; 随着supervisor自动启动

startsecs=10 ; 启动10s后算正常启动

autorestart=true ; 程序退出后自动重启

startretries=3 ; 启动失败自动重试次数

stdout_logfile_maxbytes=20mb ;stdout 日志文件大小最大20mb

stdout_logfile=/usr/local/tomcat/logs/catalina.out

6: skrip permulaan tomcat/docker/web/start_tomcat.sh

#由于supervisor无法使用source，需要编写个脚本来启动

source /etc/profile

/usr/local/tomcat/bin/catalina.sh run

7 : Bina imej

cd /docker/web
docker build -t shijiange_web .

[root@docker web]# docker images
repository tag image id created size
shijiange_web latest bc06a9974252 7 seconds ago 1.33 gb

8: Mulakan ujian bekas

[root@docker web]# docker run -d shijiange_web /bin/bash -c 'supervisord -c /etc/supervisord.conf'

76782ab71c3b1d2f818ad76214d6336ae11a524eeb9d211f154fe4ad5226015d

[root@docker web]# 

[root@docker web]# docker ps

container id image command created status ports names

76782ab71c3b shijiange_web "container-entrypo..." 12 seconds ago up 12 seconds happy_jones

9 Pengesahan ujian:

[root@docker web]# docker exec -it 76782ab /bin/bash
bash-4.2# ifconfig

10

11 Pengesahan bekas: curl tomcat

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