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 and just run a number ofmodules in order.
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. However, if youhave something particularly compl
the specified command. The parameters are the same as those of command. Different from command, this module supports command pipelines, and another module also supports this function: raw
Example:
# Create a SHELL script locally
# Vim/tmp/rocketzhang_test.sh
#! /Bin/sh
Date + % F _ % H: % M: % S
# Chmod + x/tmp/rocketzhang_test.sh
# Distribute the created script file to a remote device
# Ansible storm_cluster-m copy-a "src =/tmp/rocketzhang_test.sh d
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 can help you solve, or youstart gathering a l
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 magic variables that are provided byAnsible it
60 seconds, the default 15 secondsansible all -B 1800 -P 60 -a "/usr/bin/long_running_operation --do-stuff"(45) View system information for a host computeransible 192.168.2.205 -m setupNote: These system information variables can be called directly inside the playbook(46) View the date and time information for a single hostansible 192.168.2.205 -m setup -a ‘filter=ansible_date_time‘(47) To view memory-related information for a single hostansible 192.168.2.205 -m setup -a ‘filter=ansible_*_mb‘(4
as the command.Unlike command, this module can support the command pipeline while another module also has this capability: rawExample:# # First create a shell script locally# vim/tmp/rocketzhang_test.sh#!/bin/shDate +%f_%h:%m:%s#chmod +x/tmp/rocketzhang_test.sh# # distributes the created script files to the remote# ansible storm_cluster-m copy-a "src=/tmp/rocketzhang_test.sh dest=/tmp/rocketzhang_test.sh owner=root group=root mode=0755 "# # Remote Ex
Sesame HTTP: Ansible extension and sesame ansible ExtensionIntroduction to Ansible
Ansible is an O M tool developed by Python. Because work requires access to Ansible, it often integrates some things into Ansible, so it is more
moduleStart, stop, restart, reload, corresponding to 4 state as follows:
Started
Stopped
Restarted
Reloaded
Start the MySQL service.Ansible linuxserver-m service-a "Name=mysqld state=started"Stop the MySQL service.Ansible linuxserver-m service-a "Name=mysqld state=stopped"650) this.width=650; "title=" image "style=" border-top:0px;border-right:0px;background-image:none;border-bottom:0 px;padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px; "alt=" image "
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 no client and server points. This means that the installation of
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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
Do not reprint advanced playbook without written permission
Finding files with variablesAll modules can take variables as part of their arguments by dereferencing themwith {{ and }} . You can use this to load a particular file based on a variable.For example, you might want to select a different config file for NRPE (a Nagioscheck daemon) based on the architecture in use. Here is how that would look:---#1- name: Configure NRPE for the right architecture#2hosts: ansibletest#3user: root#4tasks:#5
The answer is no longer installed on the window, the answer is as follows:It ' s back! Take the 2018 Developer Survey today?Join Stack Overflow to learn, share knowledge, and build your career.Email Sign UpOR Sign in withGoogle facebookhow to install ansible to my python at Windowsask Question
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When I tried to the install ansible to my Windows PC, the stuck with fol
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
Ansible learning-ansible
Ansible technologies (Automated O M tools) are developed based on python.
Installation methods include yum, apt, pip, etc.
For example, pip: pip install ansible
The only requirement of ansible for the client is to have SSH and Python (if the python
If there is no written authorization, please do not reprint the fifth chapter of your own definition moduleExternal Inventoriesin The first chapter we saw how Ansible needs an inventory file, so that it knowswhere it hosts is a nd how to access them. Ansible also allows you to specify Ascript this allows you to fetch the inventory from another source. Externalinventory scripts can be written in any language
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
instruction, and if it matches, the service is still running RunLevel: Run level sleep: If restarted is executed, a few seconds between stop and start state: Start the current service execution, Examples of operations such as stop, restart, reload, and so on (started,stopped,restarted,reloaded):ansible test -m service -a "name=sshd state=started enabled=yes runlevel=3,5" 172.20.9.141 | success >> { "changed": true, "enabled": true, "name": "sshd", "s
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