1. Create a MySQL playbook structure[Email protected] roles]# pwd/etc/ansible/roles[[email protected] roles]# mkdir-p Mysql_install/{files,handlers,meta, Tasks,templates,vars}[[email protected] roles]# tree mysql_install/mysql_install/├──files├──handlers├──meta├── Tasks├──templates└──vars2. Create the VARs you need to use[Email protected] roles]# cat/etc/ansible/
Cluster O M automation tool ansible uses playbook to install mysql Cluster
Last time I introduced how to use ansible playbook to install the zabbix client (http://www.bitsCN.com/article/52158.htm), this time I introduced how to use playbook to install mysql.
The following
Today, we found a bash vulnerability, but I have nearly 1000 servers. To facilitate and save time, I feel that I am using ansible to install the bash update package. Next I will share my installation method.
1. Installed playbook content
19:00:03#cd/etc/ansible[emailprotected]:/etc/ansible19:00:06#catupdate_bash.yml----hosts:"{{host}}"remote_user:"{{user}}"gather
Last described how to install the Zabbix client (http://www.jb51.net/article/52158.htm) using Ansible playbook, this time describes how to use playbook to install MySQL.
Here is the information for installing MySQL:
Mysql_basedir:/data/mysql/basedir Source directory
mysql_datadir:/data/mysql/datadir Data Directory
mysql_user:mysql MySQL
Frontier: ansible are all good, so let's talk about lookup plugins this plugin. Lookup_plugins is mainly used to implement extensions of various strings and variables within the extended playbook. For me personally, the use is not too big, but looked at the official Lookup_plugins extension list, there are some ideas. When you first use lookup, you encounter a problem where the data in {lookup}} is
Ansible-playbook JDK InstallationThe directory structure for JDK role is as follows:[Email protected] roles]# tree Jdkjdk├──defaults├──files│└──jdk-8u101-linux-x64.tar.gz├──handlers├──meta├──tasks │└──main.yml├──templates└──vars└──main.yml#vars下面的忽略, that's the one that was written before.The contents of the task file are as follows:[[emailprotected]tasks]#catmain.yml-name:copy jdk-8u101-linux-x64.tar.gzrem
Example of ansible compiling httpd playbook, ansibleplaybook
The following is the content of the playbook. The process is as follows:
1. First, a total of 3 .tar.gz files are downloaded in the local directory of apr, apr-util, and httpd.
2. decompress the three files.
3. Install the pcre and pcre-devel dependency packages.
4. Compile and install apr.
5. Compile a
-util--with-apr=/usr/local/Apr Make Make Install-name:complie httpd Shell:|CD/root/httpd-2.4. - ./configure--prefix=/usr/local/apache--sysconfdir=/etc/Apache--enable-mpms-shared= All--with-z--with-Pcre--with-apr=/usr/local/Apr--with-apr-util=/usr/local/apr-util--with-mpm=Event Make Make InstallAfter compiling, there are a series of actions, such as setting the PATH environment variable, setting the man path, modifying the configuration file, starting httpd, and so on. The
(the colon must be followed by a space):---# One employee's record name:example Developerjob:Developerskill:EliteDictionaries can also be expressed in indented form, if you like:---# A worker's record {name:example Developer, job:developer, Skill:elite}Ansible does not use this format too much, but you can specify a Boolean value (True/fase) in the following format:---create_key:yesneeds_agent:noknows_oop:Truelikes_emacs:TRUEuses_cvs:falseLet's put t
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