Ansible InstallationInstall Epel as a yum source for installing ansible (CentOS6.4):RPM-UVH http://ftp.linux.ncsu.edu/pub/epel/6/i386/epel-release-6-8.noarch.rpmInstall Ansible:Yum Install ansible-yConfiguration file:Path:/etc/ansible/hostsConfiguration Description: Webservers is the group name, and the following IP or
should include at least one file named Main.yml that defines the task list for this role, which you can use include to include other task files that are located in this directory;Files directory: A file that is called by a module such as copy or script;Templates Directory: Template module will automatically look for JINJA2 templates files in this directory;Handlers directory: This directory should contain a MAIN.YML file that defines the handler used for this role, and the other handler files t
YAML syntaxThis article is from: http://www.ansible.com.cn/docs/YAMLSyntax.htmlThis page provides a basic overview of the correct YAML syntax, which is used to describe a playbooks (our Configuration management language).We use YAML because it is like XML or JSON as a data format that facilitates people's reading and writing. In addition, there are libraries that use YAML in most languages.You may want to read how playbooks is used in practice.Basic YAMLFor
Command ModuleThe command module is the ansible default module, the command module is used when the-m parameter is not specified;Comand modules are simple, common commands can be used, but the execution of their commands is not performed through the shell, so, such as "Example: displaying the current user[[email protected] ~]# ansible all-a ' whoami ' db |SUCCESS |Rc=0 >>rootweb |SUCCESS |Rc=0 >>root192.168
Tags: ansible configuration ansible+tornado ansible operation and maintenance system development automation operation and maintenanceA while ago I learned a bit about ansible configuration management (http://blog.csdn.net/column/details/ansible.html anisble Configuration Tool translation column), feeling very powerful,
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 and install apr-util.
6. Compile and install httpd.
--- - hosts: all tasks:
-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 confi
Tags: mariadb compiling and installing shell Automation Ansible Project PracticeIn the previous blog has been demonstrated, through scripting MySQL Universal binary installation, the following through the demonstration script to implement the source code compilation MARIADB Automation, in large-scale deployment of multiple mariadb, where the use of ansible to implement its automated deployment, Can greatly
Playbook is a list of one or more "play"The main function of play is to dress up a pre-set host as a role defined in advance through the task in ansible. Fundamentally, the so-called task is nothing more than a call to Ansible's module. By organizing multiple play in one playbook, you can connect them to run in a pre-programmed mechanism.Playbook use Yaml language to write each ansible Playbook is a yaml fo
Iv. Configuration of InventoryAnsible defines hosts and groups through inventory, allowing time to be read through-I, default/etc/ansible/hosts. Multiple inventory can exist, enabling dynamic generation.1. Define hosts and Groups# vim/etc/ansible/hosts192.168.12.22 #可以直接为IP地址Nfs.magedu.com #可以是域名ntp.magedu.com:2200 #可以: Connect to SSH Port[webserver] #[] is a group name, the following are the group membersw
Ansible Push SSH Public key1 The management of the machine can be directly push the pastUsing ssh-keygen-t RSA to generate a key pair,!miyaoqq20141225124030.png!Id_rsa the private key, which remains on the host, Id_rsa.pub is the public key that needs to be pushed to the management machine and renamed to the Authorized_keys filePush to remote machine ssh-copy-id-i ~/.ssh/id_rsa.pub [email protected][ip,hostname]2 machine Many cases, the use of Ssh-cop
Speaking of variables, the variables in ansible are almost the same as those in the pillar + grains in the salt-stack.
The main sources of variables in ansible are as follows:
Inventory (host vars, group vars)
Playbook
Command Line
The Playbook generates results during task execution. It can be register and used as a variable for the following task.
Roles
Facts from nodes
These types of variables, 1
"or" and "non" in ansible
We often need to operate a number of groups in the day-to-day work, this time we need to know some common methods of merging collections, the most important way is::::! "Directly below the example
Cat hosts[Lab]Lab1.503error.comLab2.503error.com
[web]Web1.503error.comWeb2.503error.com
[Data]Data1.503error.comData2.503error.com
[SSSS]Web1.503error.comWeb2.503error.comData1.503error.com
Specify a group:
$
After Ansible 2.0, there was no run this API, On the internet to find a lot of officials 2.0 of the API, found that the call, the return result is only 0 and 1, can not get the same results as running, after research, finally use the following code can get results, this is my encapsulated API. Look at the code directly
ansible_api.py
# coding=utf-80 #!/bin/env python "" "@version: 1.0 @author: Hogan @project: Cloudmanage @file: ansible_api.py @time:
Tags: ansible tornado mongodbhttp://blog.csdn.net/smallfish1983/article/details/38078019According to the above man wrote, beginners, do not spit blood, basic skills can be achieved.650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/4B/06/wKioL1QnvwOSkcQiAADRwubmzMo149.jpg "style=" float: none; "title=" Index.png "alt=" Wkiol1qnvwoskcqiaadrwubmzmo149.jpg "/>650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/4B/06/wKioL1QnvwPwAo3UAADQorQ
The use of Ansible also has a long time, the previous machine is a good template, configuration of SSH without password landing, push up generally very convenient. Today, there is nothing to do, just have a thing to do, the plaintext password push sample paste out to share.Straight into the topic,Requirements: Modify the Hosts file of a batch of machines, require sudo permission, and sudo account (I am here is CentOS account,) No SSH password login is
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