ansible requirements

Do not reprint without written permissionThe third chapter is long, because, I will be divided into several parts to translate.Advanced Playbooksso far the playbooks, we have looked at is simple and just run a number ofmodules in order. Ansible allows much more control over the execution of Yourplaybook. Using The following techniques, you should is able to perform eventhe most complex deployments. Running operations in Parallelby default,

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 insid

Software requirements include 3 different tiers-business requirements, user requirements, and functional requirements. In addition, each system also has a variety of non-functional requirements. Business requirement represents a high-level goal for an organization or custome

I. Overview of AnsibleDue to the rapid development of the Internet, the speed of product replacement gradually accelerated, operations and maintenance personnel to carry out a large number of daily operations, still in accordance with the traditional way of maintenance will make the work inefficient. This is the deployment of automated operations that can accomplish these tasks as safely and efficiently as possible.Ansible is based on the development of Pythen, set up a number of excellent opera

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

Ansible Getting Started experience What does Ansible do? Why does it need to be used in a distributed system?If I have a Java service a now, you can deploy only one server when the volume of traffic is small and availability requirements are not high. When service A to launch online, you can log in directly to the server to publish work. But because of the growt

More powerful than Ansible automated O M tools, automated and unified installation and deployment _ automated deployment of unifyDeploy1.0, ansible New features: Septem In addition to pass (backup and update) and start (start Service), all automation is achieved. Note: pass and start are set as service classes. Because of different services, automation cannot be achieved. Except for similar businesses, suc

Ansible using advanced steps Experimental Environment Group: Srvs Group member host name, system version, and IP Node1 centos-7-core 172.16.253.184 node2 centos-7-core 172.16.254.89 node3 centos-7-core 172.16.253.47 Node4 Centos-6-core 172.16.253.30 iterative function of PlaybookSimple item to use --- -hosts:srvs remote_user:root tasks: -name:copy files tags:copy when:ansible_ Distribution_major_version = = "7" copy:src=/root/

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

Use redis to accelerate ansible and redis to accelerate ansibleUse redis to accelerate ansible We know that every time we use ansible, we need to collect system information. This step takes a lot of time. We can use redis to save the GATHERING time.1. ansible. cfg [Defaults] gathering = smartfact_caching = redisfact_

Ansible (10) first exercise and ansible first exerciseSummary We have learned apt, yum, zypper, copy, and other modules. You must be bored.The following is a practical example.Actual case: Batch tomcat configuration Only the knowledge of the above modules is enough for us to orchestrate a Playbook to configure a large number of physical/virtual servers.Actual scenarios A company has applied for 1

Do not reprint advanced playbook without written permission Extra variablesYou may have seen in our template example in the previous chapter that we used avariable called group_names . This is one of the magic variables that are provided byAnsible itself. At the time of writing there are seven such variables, described in thefollowing sections. External variables You have seen in the previous template example that we have a variable named group_names, which is a magic variable provided by

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

Ansible-install svn and ansible-svn Task: Associate multiple machines with ansible Familiar with the python ansible API, How can I obtain the execution progress of the playbook through the interface? Python obtains the svn version number. 1. Install svn Ubuntu SMP Thu Jan 15 20:21:55 UTC 2015 x86_64 x86_64 x86_64 GNU/

The article summarizes, longitudinal, transverse, from the surface to the point, finally is the demand quality control. The requirement analysis of software must have a deep understanding of the original business, extraction, abstraction, sublimation process. Software requirements analysis is to extract from the user's business software system can help users solve the business problems, through the user's business problem analysis, the planning of

First, installation$ pip Install Ansible#for Debian$ sudo apt-add-repository ppa:rquillo/ansible$ sudo apt-get update$ sudo apt-get install ansible#for CentOS$ sudo yum install ansibleIi. Environmental Notes1. Control host is native2. The controlled end is the LAN 192.168.1.53. SSH key authenticationThird, the use#内建的 Ping ModuleAnsible all-m Ping#执行命令

installation scriptImportant: Pull the installation script in the "~/" directory where the account is running .# 安装或升级gityum install git -y# 拉取安装脚本,注意脚本的保存目录cd ~git clone https://github.com/Netonline2016/k8s-ansible.git4. Download the installation packageIn order to avoid the installation process, the network download installation package time-out or wait too long, download the appropriate packages in advance, and placed in the corresponding path, this process has been organized into shell scri

TIDB Binlog #如果有从此 tidb the need for cluster synchronization data, you can change to True to turn on enable_binlog = False The installation process can be divided into root user installation and normal user installation two ways. The root user is of course the best, modify the system parameters, create directories, etc. will not involve insufficient permissions, can be directly installed to complete. However, some environments do not directly give root privileges, and this scenario needs to be

Ansible learning-simple learning notes 2, ansible-learning notes Roles is used for hierarchical and structured organization playbook, and the encryption process in previous note 1 is used. My directory svnrepos has two directories. Ansible_test and test Under the test directory: The directory structure of ansible_test is: The file content is as follows: Copyright Disclaimer: Thi

Ansible Development History Ansible?? Founder, Michael DeHaan (cobbler and func)?? , Released version 0.0.1, Red Hat acquisition?? Red Hat announced the acquisition?? Ansible is an agentless (SSH key pair matching is required based on SSH), which can implement batch configuration, command execution and control, and Python-Based Automated O M tools.GitHub focus