使用ansible自动化搭建LNMP应用平台

1. 最终效果及说明

1）主机说明：

ansible: 192.168.20.121
webserver: 192.168.20.122

2）最终访问效果如下

结果与test2.php里边的内容一致，证明LNMP平台完好

3）剧本文件展示及说明

[root@localhost lnmp]# ls
modifynginx.yml  mysql.yml  php.yml       startservice.yml  test2.php
modifyphp.yml    nginx.yml  sequence.txt  test1.php         testpage.yml[root@localhost lnmp]# cat sequence.txt
sequence of these yml file:
1. nginx.yml
2. mysql.yml
3. php.yml
4. modifyphp.yml
5. modifynginx.yml
6. startservice.yml
7. testpage.ymlnotice:
1. you can use command in ansible's shell to test the lnmp, normally, test test2.php is enough if it show correct message.
2. you can write thest yml file in one combined yml file in order, I split these for convience of checking error

2. 各个yml文件内容展示

1） nginx.yml

[root@localhost lnmp]# cat nginx.yml
- hosts: webserverremote_user: roottasks:- name: add useruser: name=nginx shell=/sbin/nologin create_home=no- name: resolve dependencyyum: name=pcre-devel,zlib-devel,openssl-devel,gcc,gcc-c++- name: unarchive tarballunarchive: src=/root/nginx-1.15.4.tar.gz dest=/usr/src- name: configure and install nginxshell: ./configure --prefix=/usr/local/nginx --user=nginx --group=nginx --with-http_stub_status_module --with-http_gzip_static_module && make -j4 && make installargs:chdir: /usr/src/nginx-1.15.4- name: make soft link filefile: path=/usr/sbin/nginx src=/usr/local/nginx/sbin/nginx state=link

2）mysql.yml

[root@localhost lnmp]# cat mysql.yml
- hosts: webserverremote_user: roottasks:- name: resolve dependencyyum: name=ncurses-devel,bison,cmake- name: unarchive tarballunarchive: src=/root/mysql-5.5.22.tar.gz dest=/usr/src- name: configure and install mysqlshell: cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DSYSCONFDIR=/etc -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DWITH_EXTRA_CHARSETS=all && make -j4 && make installargs:chdir: /usr/src/mysql-5.5.22- name: add user mysqluser: name=mysql shell=/sbin/nologin create_home=no- name: change owner of mysql directoryfile: path=/usr/local/mysql owner=mysql group=mysql recurse=yes- name: link lib filefile: path=/usr/lib/libmysqlclient.so.18 src=/usr/local/mysql/lib/libmysqlclient.so.18 state=link- name: copy configuration filecopy: src=/usr/src/mysql-5.5.22/support-files/my-large.cnf dest=/etc/my.cnf remote_src=yes- name: copy command scriptcopy: src=/usr/src/mysql-5.5.22/support-files/mysql.server dest=/etc/init.d/mysqld remote_src=yes- name: modify command scriptreplace: path=/etc/init.d/mysqld regexp="^basedir=" replace="basedir=/usr/local/mysql/"- name: modify command scriptreplace: path=/etc/init.d/mysqld regexp="^datadir=" replace="datadir=/usr/local/mysql/data/"- name: give executable privilege to scripttfile: path=/etc/init.d/mysqld mode=0755- name: initialize mysql serviceshell: /usr/local/mysql/scripts/mysql_install_db --defaults-file=/etc/my.cnf --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --user=mysql- name: make soft link of mysql commandshell: ln -s /usr/local/mysql/bin/* /usr/bin- name: start mysqlshell: /etc/init.d/mysqld start- name: change passwordshell: mysqladmin -uroot password 123456

3）php.yml

[root@localhost lnmp]# cat php.yml
- hosts: webserverremote_user: roottasks:- name: resolve dependencyyum: name=libxml2-devel,gd,libjpeg-devel,libpng-devel- name: unarchive tarballunarchive: src=/root/php-7.2.0.tar.gz dest=/usr/src- name: configure phpshell: ./configure --prefix=/usr/local/php --with-gd --with-zlib --with-jpeg-dir=/usr/lib --with-pdo-mysql=mysqlnd --with-mysqli=/usr/local/mysql/bin/mysql_config --with-config-file-path=/usr/local/php --enable-mbstring --enable-fpmargs:chdir: /usr/src/php-7.2.0- name: install phpshell: make -j8 && make install args:chdir: /usr/src/php-7.2.0- name: copy configuration filecopy: src=/usr/src/php-7.2.0/php.ini-development dest=/usr/local/php/php.ini remote_src=yes- name: copy configuration filecopy: src=/usr/src/php-7.2.0/sapi/fpm/init.d.php-fpm dest=/etc/init.d/php-fpm remote_src=yes- name: copy configuration filecopy: src=/usr/local/php/etc/php-fpm.conf.default dest=/usr/local/php/etc/php-fpm.conf remote_src=yes- name: copy configuration filecopy: src=/usr/local/php/etc/php-fpm.d/www.conf.default dest=/usr/local/php/etc/php-fpm.d/www.conf remote_src=yes- name: give executable privilegefile: path=/etc/init.d/php-fpm mode=0755- name: make soft link of command scriptshell: ln -s /usr/local/php/bin/* /usr/bin- name: make soft link of command scriptshell: ln -s /usr/local/php/sbin/* /usr/sbin

4）modifyphp.yml

[root@localhost lnmp]# cat modifyphp.yml
- hosts: webserverremote_user: roottasks:- name: modify php.inireplace: path=/usr/local/php/php.ini regexp="^short_open_tag = Off" replace="short_open_tag = On"- name: modify php-fpm.conf 1replace: path=/usr/local/php/etc/php-fpm.conf regexp="^;pid = run/php-fpm.pid" replace="pid = run/php-fpm.pid"- name: modify php-fpm.conf 2replace: path=/usr/local/php/etc/php-fpm.conf regexp="^; process.max = 128" replace="process.max = 128"- name: modify php-fpm.conf 3replace: path=/usr/local/php/etc/php-fpm.conf regexp="^;events.mechanism = epoll" replace="events.mechanism = epoll"

5） modifynginx.yml

[root@localhost lnmp]# cat modifynginx.yml
- hosts: webserverremote_user: roottasks:- name: modify 1replace: path=/usr/local/nginx/conf/nginx.conf regexp="^            index  index.html index.htm;" replace="            index  index.php index.html index.htm;"- name: remove "#"shell: sed -i '65,71s/#/\ /g' /usr/local/nginx/conf/nginx.conf- name: modify php locationreplace: path=/usr/local/nginx/conf/nginx.conf regexp="fastcgi_params" replace="fastcgi.conf"

6）startservice.yml

[root@localhost lnmp]# cat startservice.yml
- hosts: webserverremote_user: roottasks:- name: start nginxshell: nginx- name: start phpshell: /etc/init.d/php-fpm start

7）testpage.yml

[root@localhost lnmp]# cat testpage.yml
- hosts: webserverremote_user: roottasks:- name: copy test1.phpcopy: src=/root/test1.php dest=/usr/local/nginx/html/- name: copy test2.phpcopy: src=/root/test2.php dest=/usr/local/nginx/html/

8） test page

[root@localhost lnmp]# cat test1.php
<?php
phpinfo();
?>
[root@localhost lnmp]# cat test2.php
<?php
$con = new mysqli('127.0.0.1','root','123456','test');
if (!$con)die("connect error:".mysqli_connect_error());
elseecho "connect mysql successfully\n";
?>

3. ansible playbook使用说明

不要太在乎warning，有的时候使用在shell模块中使用sed命令比直接使用replace模块更高效
尽量用专门的模块做专门的事情，比如用unarchive模块解压，用file模块做连接，用user模块添加用户等
上边写这些的时候是分开写的便于测试可用性如果是想要一个整体的把他们写在一起就好了

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使用ansible自动化搭建LNMP应用平台

1. 最终效果及说明

1）主机说明：

2）最终访问效果如下

3）剧本文件展示及说明

2. 各个yml文件内容展示

1） nginx.yml

2）mysql.yml

3）php.yml

4）modifyphp.yml

5） modifynginx.yml

6）startservice.yml

7）testpage.yml

8） test page

3. ansible playbook使用说明

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