Sudo:yestasks:#Defining a task List (top-down sequential execution)-Name:ensure Nginx isAt the latest version#each transaction can define a name tag, with the benefit of enhanced readability and the ability to see where the run is when the results are outputYum:pkg=nginx State=latest#Yum installs the latest version of Nginx-name:write The nginx config file template:src=/home/test/ansible/nginx/nginx2.conf
regular account on the management machine and add sudo# Useradd CPIs# passwd CPIs# vi/etc/sudoersCPIs all= (All) Nopasswd:all1.5 Create a regular account on the managed machine and add sudo# Useradd CPIs# passwd CPIs# vi/etc/sudoersCPIs all= (All) Nopasswd:all1.6 The key is generated on the management machine and copied to the managed machine# Su-cpis[[email protected] ~]$ ssh-keygen-t RSA[Email protected] ~]$ ssh-copyid-i 172.31.28.611.7 Management machine to do the
Ansible is an automated operations tools, based on the development of Python, the collection of many operations tools (puppet, Cfengine, Chef, func, fabric) The advantages of the implementation of batch system configuration, batch program deployment, batch Run command and other functions.Ansible is a module-based capability that does not have the ability to deploy in batches. The real batch deployment is the module that
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
First, briefthese days in the Ansible official website, Harvest quite a lot. Intercept a lineinfile module to make a summary. If you bulk modify a line of a configuration file, Lineinfile will not be able to avoid writing playbook. According to the official website: Lineinfile-ensure A particular line was in a file, or replace an existing, using a back-referenced regular exp Ression. To the effect that, for file special rows, use the back-end referenc
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
=1234192.168.2.141 Ansible_ssh_user=root ansible_ssh_pass=1234The above several IP addresses belong to Webhosts can manage the webhosts in batch.Third, testingAnsible is a powerful command.Simple test: ansible webhosts-m PingAppears as follows:192.168.2.141 | Success >> {"Changed": false,"Ping": "Pong"}192.168.2.235 | Success >> {"Changed": false,"Ping": "Pong"}192.168.2.180 | Success >> {"Changed": false,"
Tags: Linux automated operation and maintenance ansibleObjectiveThe development direction of operations, centralization, automation, standardization, virtualization, distributed.This article shows a tool for automating the development of operations: Ansible. Ansible has many advantages, only need ssh and Python can be used, do not need the client, powerful, module rich, easy to get started low threshold, ba
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
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
implementation.In the beginning, the script to test the installation of vcredits2008 is this:Vcredist_2008.ps1$pathvargs _2008 = {c:\tmp\vcredist2008_x64.exe/s/v/qn}Invoke-command-scriptblock $pathvargs _2008Then the Ansible-playbook script is like this:WIN_SHELL.YML:----Name:run Win_shell hosts:ec2_windows gather_facts:false tasks:-Name:install Mp\vcredist_2008.ps1Ansible-playbook win_shell.yml execution,
1. Configuring the Jenkins EnvironmentCommand refer to the previous article "Docker Build Jenkin". Single-Machine deployment. In this example. Jenkins,ansible installed on the same machine.Jenkins needs to configure/etc/sudoers. Also need to give/bin/bash, as well as Jenkins's home directory under. SSH requires a copy of the ansible SSH private key1. Configure/etc/sudoersRoot all=(All) all# add jen
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 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
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
Common ansible Commands
Use Ansible-doc-l to see how specific modules are used, here are examples of common ansible simple usage Execution system commands
[Root@ansible ~]# ansible pinpoint-m shell-a ' hostname '-o # Execute system command
192.168.0.102 | SUCCESS | rc=0 |
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