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If you do not have written authorization, do not repeat Chapter 4. Use of ansible in large projects RolesIf your playbooks start expanding beyond what includes can help you solve, or youstart gathering a large number of templates, you may want to use roles. Roles inAnsible allow you to group files together in a defined format. They are essentiallyan extension to includes that handles a few things automatically, and this helps youorganize them inside
First, Ansible Basic installationInstall RPM using Yum with epel6,7 and more. However, you must install Python2.4 or a later version of Python.Add Source:Wget-o/etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-6.repoYum Install Ansible-ySecond, ansible configura
Ansible deploy simple high-availability lampAnsible Host: 192.168.152.145HA1 (highavailable): 192.168.152.140ha2:192.168.152.141VIP1 (virtualip): 192.168.152.190vip2:192.168.152.191AP1 (apache+php): 192.168.152.142AP2 (apache+php): 192.168.152.143db:192.168.152.144Configure AnsibleYum-y Install AnsibleVim/etc/ansible/hosts[nginx]192.168.152.140192.168.152.141[ap]
The ansible only needs to be run on a common server and does not require the client to be installed on the managed server. Because it is SSH-based, the Linux server cannot be separated from SSH, so ansible does not need to add additional support for the configuration work. You can use ansible from the command line, the server running
In the field of automation operations, in addition to Saltstack, there are ansible this batch installation Deployment tool, in writing the specific content first, first of all I used two tools after the sentiment.Saltstack is the C/s framework, in order to install software in the client, and start the service to manage, ansible is connected via SSH to the client,
custom modules;Connect Plugins: Complete the module functions, including connection plug-ins, mail plugins, etc.;Playbooks: Define Ansible Multi-task configuration file, automatically executed by Ansible;Host Inventory: Defines the list of Ansible management hosts, host pools, host lists;Yum Installation ansibleYum Install
Ansible is based on modularity, with specific modules to complete specific tasksBased on the Python language implementation, implemented by three key modules of Paramiko, Pyyaml and JINJA2Simple deployment, agentless (no client deployment, client management via SSH protocol)Based on master-slave modeSupports custom modules (other programming language-written modules can also be called via Ansible interface)
Ansible deploy simple high-availability lampAnsible Host: 192.168.152.145HA1 (highavailable): 192.168.152.140ha2:192.168.152.141VIP1 (virtualip): 192.168.152.190vip2:192.168.152.191AP1 (apache+php): 192.168.152.142AP2 (apache+php): 192.168.152.143db:192.168.152.144Configure AnsibleYum-y Install AnsibleVim/etc/ansible/hosts[nginx]192.168.152.140192.168.152.141[ap]
Ansible module-lineinfile example, ansible-lineinfileLineinfile module details The lineinfile module is similar to the sed tool in linux, but the articles on the Internet generally only have simple instances, and there are no examples of complicated points. The following is a common example of the lineinfile Module I have summarized based on my actual operations. Directory
":" 9ada44440028d3aa4582f7d5cfcbfe99 "," mode ":" 0644 "," owner ":" Root "," size ": +," src " : "/root/.ansible/tmp/ansible-tmp-1489047961.6-141588290458447/source", "state": "File", "UID": 0} [Root@ansible ~]# Ansible pinpoint-m shell-a ' cat/root/devops.txt '-O 192.168.0.102 | SUCCESS | Rc=0 | (stdout) Itdevops is
First, IntroductionAnsible, an open source platform for integrated IT system configuration management, application deployment, and execution-specific tasks, is a project owned by Ansibleworks Company, founded in 2012 by the authors of Cobbler and Func.Ansible is based on the Python language, and is built from two key modules of Paramiko and Pyyaml.Ansible Features:>> deployment is simple, just deploy the Ansible environment on the host side, and no ac
Batch manage remote servers using AnsibleBackground Local management of a batch of remote servers is required, mainly to execute the following tasks: 1) Copy local files to all remote servers;2) execute commands on the remote server; The paths of the remote server are not completely consistent. Generally, access is performed through the variable paths defined in the environment variables;For example, define $ app_path =/opt/app/bin in. bashrc. Finally, ansib
├──templates \\template module automatically looks for Jinja2 template files in this directory └──vars \ \ Should contain a main.yml file that defines the variables used by this role use Ansible's roles to configure Nginx service defining the hosts group Vim/etc/ansible/hosts [Srvs:vars] webport=80 [Srvs] 172.16.253.184 webport=10080 172.16.254.89 webport=10180 172.16.253.47 webport=10280 172.16.253.30 webport=10380 Create a roles org
February 23, 2016, learn, analyze Ansible code Ansible is a tool for bulk deployment used in operations, which is itself a framework, specific deployment and architectural analysis, and the following article is good. Http://os.51cto.com/art/201409/451927_all.htm First analyze the main file ansible, and the code and comments are as follows: 1. from __future__ Imp
First, the basic introduction of Ansible: What's the ansible type?Ansible is a very simple IT operations automation tool engine for configuration management, application deployment, internal service orchestration, and more, for hundreds of thousands of managed nodes, based on Python development. She does not need an agent and is easy to deploy, with no other
communication, so the control host installation Ansible software does not need to restart or run any program, managed host also does not need to install and run any agent. Environment deployment: role Host name IP Address Installing the Software Control host Node1 192.168.92.145 Ansible
Any server can be the master terminal 1, install Epel Source:# RPM-IUVH http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-8.noarch.rpm 2. Install the package:# yum Install Ansible 3, set up SSH password-free login:# # Generate public/private key # Ssh-keygen-t Rsa-p ' # # Write a trusted file (distri
AnsibleThe automated operation and maintenance system is divided into 3 structuresInstall operating system: OS provisionRepresentative Product: Pxe,cobblerTo install a specific file: OS ConfigRepresentative Product: PuppetTo perform a specific action (command): DeploymentRepresentative Product: AnsibleAnsible General Framework Diagram:650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M01/8A/E2/wKiom1g-KFrDGdwWAAJgLrRJMHY747.png "title=" Ansible.p
to solve the problem of having at least APIs to focus on tools. In other words, ansible and saltstack are very similar. Apart from their processing models, one is paramilo-based and the other is zeromq's pubsub. In terms of configuration, ansible has a playbook, which is similar to the state of saltstack. Ansible is also the mode of yaml and jinja2. I will not
Config_file:yumDisable_gpg_check: Close Gpg_checkDisablerepo: Do not enable a sourceEnablerepo: Enable a sourceListName: You can also pass a URL or a local rpm path for the package to be manipulated.State: Status (Present,absent,latest)Instance:-Name: Install the latest version of Apache YUM:NAME=HTTPD state=latest-name: Remove Apache yum:name=httpd state=absent-name: Install a special version of Apache YU
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