ansible tool

Ansible @ an efficient configuration management tool-Ansible configure management-translation (10), ansible-ansibleNo written permission. Do not reprint it Custom ModulesUntil now we have been working solely with the tools provided to us by Ansible.This does afford us a lot of power, and make many things possible. How

Ansible @ an efficient configuration management tool-Ansible configure management-translation (4), ansible-ansibleDo not reprint without written permission Due to the long content in Chapter 3, I will divide it into several parts for translation. Advanced PlaybooksSo far the playbooks that we have looked at are simple

Ansible @ an efficient configuration management tool-Ansible configure management-translation (8), ansible-ansibleIf 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

Ansible @ an efficient configuration management tool-Ansible configure management-translation (5), ansible-ansibleDo 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 m

Ansible automated O M tool and ansible automated 1 Ansible 1> introduction to ansible Ansible is a new automatic O M tool developed based on Python. It integrates the advantages of ma

Automated Batch Deployment Tool Ansible notes Ansible installation and inventory filesI. Introduction of AnsibleAnsible is an automated operation and maintenance Deployment tool, and Saltstack,pupet, and so on, Ansible does not adopt the C/s architecture, that is, there is n

feature:---#1- name: Install an Apache config file#2hosts: ansibletest#3user: root#4tasks:#5- name: Get the best match for the machine#6copy: dest=/etc/apache.conf src={{ item }}#7first_available_file:#8- files/apache/{{ ansible_os_family }}-{{ansible_architecture }}.cfg#9- files/apache/default-{{ ansible_architecture }}.cfg- files/apache/default.cfg#11Remember that you can run the setup module from the Ansiblecommand-line tool. This comes in handy w

worksDelegation of tasksAnsible performs tasks on the configured machine by default and is useful when you have a lot of machines to configure or every device can reach.But. When you need to perform a task on another ansible control machine, you need to use task delegation.The ability to delegate tasks to other machines is performed using Delegate_tokeyword. The fact that is available at the same time will also use the value on the delegated machine.

| Success >> {"Changed": false, "ping": "Pong"}this indicates that's can connect and use Ansible on all the hosts fro M yourinventory. You can use the Same-i argument with Ansible-playbook to run Yourplaybooks with the same inventory.Same as the first chapter. The output looks like this:localhost | Success >> {"Changed": false,"Ping": "Pong"}Example | Success >> {"Changed": false,"Ping": "Pong"}You can con

, the behavior of the copy, the template, and the script modules isslightly altered. Instead of searching for files by looking from the directory in whichthe playbook file is located, Ansible will look for the files in the location of the role.For example, if you are using a role named common , these modules will change to thefollowing behavior:? The copy module will look for files in roles/common/files .? The template module will look for templates i

If you do not have written authorization, do not reprint it. Chapter 4 Use of ansible in large projects New features in 1.3There are two features in Ansible 1.3 that were alluded to previously in the chapter.The first feature is the metadata roles. They allow you to specify that your roledepends on other roles. For example, if the application that you are deploying needsto send mail, your role could depend

No written authorization. Do not reprint Chapter 5 custom Module Using a moduleNow that we have written our very first module for Ansible, we should give it ago in a playbook. Ansible looks at several places for its modules: first it looks at theplace specified in the library key in its config file ( /etc/ansible/ansible.cfg ),next it will look in the location s

the release version of the NS1 server. The following example sets a DNS master server named NS1 and calls the template module to set an mast server for each zone: ----Name: Setup DNS serversHosts: allnameserversTasks:-Name: Install bindYum: Name = named state = installed -Name: Setup slavesHosts: slavenamesservers Tasks:-Name: Get the Masters IPSet_fact: dns_master = "{{Hostvars. ns1.ansible _ default_00004.address }}" -Name: Configure bindTemplate:

Do not reprint without written permission Due to the long content in Chapter 3, I will divide it into several parts for translation. Advanced PlaybooksSo far the playbooks that we have looked at are 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 be 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 inside

results output, suggesting that its contents describe the task execution steps as clearly as possible. If name is not provided, the result of the action is used for the output;Notify Specify Handler execution mechanism : the "Notify" action can be used to be triggered at the end of each play, the actions listed in notify are called Handler, and the specified action is performed only once all changes have completed.Some learning materials:http://blog.xiaorui.cc/category/

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 chara

First, Introduction Ansible is a configuration management and application Deployment tool that functions like the current Industry configuration management tool Chef,puppet,saltstack. Ansible is developed through the Python language. The Ansible platform, created by Micha

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

Ansible automated O M tool learning Manual 1. Introduction to ansibleCommon automated O M tools Puppet-developed based on Ruby and adopts a C/S architecture. It is highly scalable and SSL-based, and remote command execution is relatively weak.SaltStack-developed based on Python and adopts the C/S architecture. It is more lightweight than puppet. The configuration syntax uses YMAL to make the configuration