ansible frontend

1th ChapterThinking1.1How to use one clickAnsibleBuild1.1.1First Step goalThe first thing we want to make clear is that we need to implement a one-click Automation script that executes a script and then automates the installation of Nfs+rsync+sersync andthen lets web01 automatically mount the NFS shared directory. 1.1.2Second step relationship clear and sequentialNow that we have a goal, what we need to do is we need to understand the sequencing of automated installations. since we n

The Confession of op sauce since into the expensive circle, every day need a strong heart to maintain the chaos of the line, every day is the same as the Shell/python in papered fill hole ah, feel every day is in and if else deal with Ah, Every time you spend keywords script, the next time to point to new requirements, can reuse the part of the less to do not want to reuse, very desperate ah, there are wood. Batch Run tool or in Lhck lhcp, each time a long series of commands, all kinds of esc

Create ansible and manage container nodes based on DockerScenario: When learning conditions are limited, you can complete Docker and ansible learning with a single VMFIX: Create a custom image and build multiple ansible containers first.Of course, this method is suitable for other similar scenarios.VMS Environment: Os:centos7docker version 1.12.3, build

I. Basic Knowledge: 1. Introduction Ansible is developed based on Python and combines the advantages of many O M tools to implement features such as batch system configuration, batch program deployment, and batch run commands. Ansible works based on modules and does not support batch deployment.The ansible module is actually deployed in batches, and

Ansible Ansible does not require any agents, except sshd, does not occupy the control of any resources in the ansible does not execute (the default support SSH, also supports other)Ansible also has no service side, only executes commands when neededAnsible based on module work, execute commands, scripts, planning task

Use of ansible Introduction: Ansible is designed for convenient and quick configuration management. With ansible, You can simplify and standardize complex configurations and make them easier to control. Ansible can achieve 100 and 1000 batch deployment. Ansible features: (1

Ansible can be automatically managed using the command line, and Ansible's command-line management tools are supported by a series of modules and parameters, and we can view the module's help information through the Ansible-doc tool. This post will detail the functions and operations of the Ansible module.ansible Command parameters: -V: Output details (m

Please be sure to keep the environment consistent To download the required system packages during installation, be sure to connect all the nodes to the Internet . Cluster node information for this installationLab environment: VMware's virtual machines IP Address Host name CPU Memory 192.168.77.133 K8s-m1 6 cores 6G 192.168.77.134 k8s-m2 6 cores 6G 192.168.77.135

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]192.168.152.142192.168.152.143[db]192.168.152

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

About ansible do not do more company, directly start the installation configuration" Installation Environment"[Email protected] ~]# cat/etc/centos-release CentOS release 6.5 (Final) [[email protected] ~]# Uname-alinux Ansibleserve R 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 03:15:09 UTC x86_64 x86_64 x86_64 gnu/linuxInstall operating system Dependency packages[[Email protected] ~] #yum install-y python-setuptools python-devel gmp-devel gcc java-1.7.0-openj

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, that is, the key must be passed to the clien

Introduction of Ansible 1.ansible Ansible is a new automated operational tools, based on Python research and development. Combines the advantages of many old operational tools to achieve the bulk operating system configuration, batch program deployment, batch operation commands and other functions. Only the Ansible p

-- Ensure cannot be summarized by the PNG process of the PAC Jinjia experiment. Roles introduction: Ansible uses roles to organize playbooks in a hierarchical and structured manner ). Roles can automatically Load Variable files, tasks, and handlers according to the hierarchical structure. Simply put, roles places variables, files, tasks, modules, and processors in separate directories and easily include them, roles is generally used to build servi

This is a creation in Article, where the information may have evolved or changed. Containers are an increasingly popular development environment. As a developer, you can choose from a variety of tools to manage your containers. This article will introduce you to Ansible Container and show you how to run and test your application in a similar production environment. Entry This example uses a simple Flask Hello world program. This program is served by A

into the machine, with "ssh ‘-o StrictHostKeyChecking=no [emailprotected]‘",and check in:.ssh/authorized_keysto make sure we haven‘t added extra keys that you weren‘t expecting.??[[emailprotected] ~]# sshpass -p123456 ssh-copy-id -i /root/.ssh/id_dsa.pub "-o StrictHostKeyChecking=no [emailprotected]"Now try logging into the machine, with "ssh ‘-o StrictHostKeyChecking=no [emailprotected]‘",and check in:.ssh/authorized_keysto make sure we haven‘t added extra keys that you weren‘t expecting.??[[e

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 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 growth in business volume and the need for availab

Recently, I am entangled in how to choose from Puppet, Chef, SaltStack, Ansible, and other configuration management tools. Considering that the changes are a lot of troubles once they are not selected at the beginning, it is a little cautious. I have used Puppet and SaltStack, but it is not exactly as expected, so we should first exclude it. As for Chef, although I have heard of it for a long time, I have never found a chance to try it. After reading

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