Centralized management platform AnsibleSummary: Ansible is an open source platform for integrated IT system configuration management, application deployment, and specific tasksCharacteristics:1, deployment is simple, only need to deploy ansible environment in the main control side, the control side does not do any oper
Ansible Command Application Basics
A previous article on the installation and role of Ansible, interested in can see Ansible introduction and installation. Learning Ansible is to re-learn the command and grammar.
Ansible can be
There are two more secure ways to store this type of data:The 1.ansible command-line tool Ansible-vault can encrypt and decrypt files used by any ansible.2. Use a third-party key Management service to store data.Ansible-vault can create, edit, encrypt, decrypt, and view files. Ansible Vault can encrypt any
In peacetime operation and maintenance work sometimes need to be based on different remote nodes or different IP systems to do different configuration deployment. For example, ansible can do different processing of the configuration files on each node according to different IP addresses, and variables are needed here.You can define variables directly in the playbooks file:-Hosts:webservers vars:http_port:80
Directory
Handlers
Playbook Case 2 handlers
VARs variable
Setup Facts Variable Usage
Case
Defining variables in Inventory
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Condition test
When statement
Case
Handlers
Follow up on an article Ansible playbooks introduction and use a continuation note
Used to take certain actions when the resources being followed are
First, what kind of situation requires batch deployment1, the operating system installationThe Common collber,red hat satelite (Redhat) system is dedicated.2, the operating system configurationIt is common to have cfengine,puppet,chef,func. One of the most popular puppet3, the deployment of bulk programs4. Run the batch command to view status informationIi. introduction of AnsibleThe architecture of the ansible
0. IntroductionPlaybooks is the language of Ansible management configuration, deployment applications, and orchestration, and you can use playbooks to describe the policies you want to perform on the remote host or the set of steps that you perform.Similar to a set of task sets, defining information such as projects, organizational structures, profiles, and so on, the task is to organize the things you want
Do operation and maintenance of the classmate many have used Ansible bar, open Source Batch deployment tool ranked top three: puppet, Saltstack, Ansible.Ansible is characterized by the absence of agents, the use of SSH protocol to communicate, lightweight, written in Python, can write playbook, can also do some ad-hoc batch command execution operations.The recent execution of the
Ansible Introduction:Ansible is just a framework, does not have the ability to deploy, really has the bulk deployment ability is the ansible template,The architecture includes:The connection plug-in connection plugins is responsible for communicating with the monitored side.Host Inventory: Hosts that specify operations, which are the hosts that define the monitor
Ansible supports Windows from the 1.7+ version, with the actual measurement of Windows 7 SP1 and Windows Server R2 and above, the system is simply configured to communicate with Ansible normally. However, the following points need to be met:1, the management machine must be a Linux system, and the original Python winrm module2. The underlying communication is based on PowerShell and the version is 3.0+,mana
Ansible-Bulk Linux management tools"Ansible is easy it Automation"--simple automated IT tools.
Batch execution of commands on a remote server
Automating the deployment of apps
Automation Management Configuration Items
Automated Cloud service Management
Install (Ubuntu)Rely on SSH and python
Apt-get Install
failed!" /bin/false fi/etc/init.d/mysq LD Start # # # #如果mysql开启失败提示install MySQL is failed! Otherwise go down if [$?-ne 0];then echo "Install MySQL is failed!" /bin/false fi # # # #开机自启 chkconfig--add mysqld Ch Kconfig mysqld on/application/mysql/bin/mysql-e "Update mysql.user set Password=password (' $PASSWD ') where host= ' localhost ' and user= ' root '; "/application/mysql/bin/mysql-e" Update Mysql.user set Password=password (' $PASSWD ') where h Ost= ' 127.0.0.1 ' and user= ' root '; '/ap
I. Introduction of AnsibleAnsible is a new automated operation tools, based on Python development, the collection of a number of 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 operation and does not have the capacity to deploy in bulk. The re
Ansible + Corosync + Pacemaker + NFS for http High Availability
Directory:
(1) experiment environment(2) Preparations(3) Configure basic configurations for node1 and node2(4) deploying nfs using ansible(5) deploying corosync and pacemaker using ansible(6) Use ansible to install the crmsh Tool(7) Use crmsh to configure
First, ansible Management command
There are several ansible management commands:(1) Ansible: This command is one of the very high usage in daily work, mainly used for temporary one-time operation;(2) Ansible-doc:ansible module document description, for each module has detailed usage instructions and application case in
I. Preparation of the first order
Ansible installation is complete, below learn how to use ansible.Just like learning a programming language, first write a Hello World sample program. We also write a ansible "Hello World":
Ansible 192.168.128.83-m Ping
This command means ping 192.168.128.83 through the admin hostThe "-M ping" in the command indicates that the pi
Brief introductionPlaybook is a very simple configuration management and multi-host deployment system. Can be used as a foundation for deploying complex applications.The playbook can be customized and can be executed in an orderly manner with the specified sequence of operations, supporting both synchronous and asynchronous methods.Playbook is described in YAML format, which enables deployment of multiple h
One of the most important functions in ansible is the ability to execute AD-HOC commands, and some people may not understand the meaning of the word ad-hoc, which means instant meaning, or arbitrary meaning.In contrast to the Ansible playbook function, playbook is suitable for batch deployment environments and is generally not frequently changed. The Ad-hoc comma
Ansible: a configuration management and IT automation tool
Today I will talk about ansible, a powerful configuration management solution compiled by Python. Although there are already many configuration management solutions available on the market, they have their own advantages and disadvantages, and ansible is characterized by its conciseness. What distinguish
Ansible is a free, open-source configuration and automation tool developed for Unix-like systems. It is written in Python and is similar to Chef and Puppet. but there is a difference and advantage that we do not need to install any client in the node. It uses SSH to communicate with nodes. In this article, we will install and configure Ansible on CentOS7 and try to manage the two nodes.
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