Roles is similar to the State in the salt-stack, and the State has a certain organizational structure.
Roles is the playbooks directory structure in ansible.
What are the advantages of this division? There are more advantages. If you write everything into playbooks,
This may cause our playbooks to be bloated and should not be read. After modularization, roles has become an organizational structure, easy to read, reusable code, and clear hierarchy.
Le
Meet a demand today when using Ansible-playbook after executing a script, according to the content returned by the script to determine whether to continue execution or break execution, query official website found using Register Register can be used to achieve the recording script output, using when+ Fail module to determine whether to proceed or break down, here is a simple example: Ansible service on 172.
Ansible's first lesson: Install itHow to obtain Ansible:
You can see the implementation method of ansible code from the ansible-github address here, and give it an issue.Ansible installation is simple:
Other Ubuntu CentOS series MacOS
Ansible depends on Linux only, and ansible
Although nginx can also be installed through yum, how can I use the source code package to install and enable some nginx functional modules, and send them to the managed cluster through ansible? The following provides a specific example for the bit viewer for reference.
First, we need to manually compile an nginx server as a template, and then use roles role management to decouple it and deliver it to the managed cluster. The specific steps are as fol
I. Ansible Introduction
Ansbile is a powerful python-based batchcompute Command Execution tool. It has powerful functions in managing a large number of clusters. It is small in size and has little dependencies, and has a general trend.
II. Install
The ansible Binary Package is provided in RHEL6. When using CentOS6, you may need to add an epel source.
# yum install an
Background information:There are a lot of facts in ansible, but not enough in many cases.For example, Ansible has no ansible_private_ipv4_address such a facts, which is used to save a private network IP address.And we just need such a facts, because we have a lot of server's default network card is not eth0, some bond0,eth1,em0,em1, and the public network IP address and private network IP address also does
After reading the basis of ansible, and then wrote three simple deployment of YML, respectively, installation Nginx, MySQL, tomcat+jdkPut the source code here, has been tested to pass theTomcat:/etc/ansible/roles/tomcat/├──defaults│└──main.yml├──files│├──apache-tomcat-7.0.52.tar.gz│├──apr-1.5.1.tar.bz 2│├──apr-util-1.5.4.tar.bz2│├──jdk-7u55-linux-x64.tar.gz│└──profile├──handlers│└──main.yml├──meta│└── Main.
This paper mainly introduces several command modules of ansible, including:
command-Execute commands on the remote node
shell-Let the remote host execute the command under the shell process
script-Executes the local script after it is delivered to the remote host
raw-Perform low-level and dirty SSH commands
expect-Execute commands and respond to prompts
telnet-Perform low-level and dirty Telnet commands
Command Module
Ansible-Tower Quick Start-1. Overview [translation], ansibletower
Overview
Tower
Ansible-Tower is a web interface of Ansible and uses rest api as the endpoint for access. By using open-source orchestration engine, whether it is to share operation tasks with your team, or to integrate with your Ansible through REST API
With Ansible also has more than two years, before doing the initialization work is in the Kickstart configuration file with their shell script initialization system environment, now the operation and maintenance environment is different, the pre-system installation work to the IDC department to deal with, What I can do here is to initialize my favorite operations environment with a script. No ansible before
As the signing of the new club, the environment is very good, colleagues are very easy-going, the leadership is also very good to talk, overtime benefits are great, all in all, good work, a lot of money.Batch processing tool My earliest contact is pssh, because it is very simple and rough, but it is too simple and rough, to cope with 10 sets of 20 machines is OK, to cope with 50 100 servers on the heart of the lack of power, and I do not like puppet, always feel that the thing with my eight, so,
Ansible automatic operation and maintenance (ii)(2) Configuring and using Ansible#复制配置文件mkdir/etc/ansible/CP examples/ansible.cfg/etc/ansible/CP examples/hosts/etc/ansible/#修改/etc/ansible/hosts, you can use IP or domain name inste
Ansible an open source platform that integrates the configuration management of IT systems, applies deployments, and performs specific tasks. Ansible has the following characteristics:Simple deployment, only the main control side of the deployment of ansible environment, the controlled side does not need to do any action;The device is managed by default using the
When running ansbile, the following error occurs:[[Email protected] pyhook-2014-06-09-17: 47: 17-2454] # ansibleTraceback (most recent call last ):File "/usr/bin/ansible", line 25, in From ansible. Runner import runnerFile "/usr/lib/python2.6/Site-packages/ansible/runner/_ init _. py", line 37, in Import ansible. Inven
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 operation2. The device is managed by default using SSH protocol3. Centralized management of Ma
Ansible is the core part of the instruction, which is mainly used to execute the AD-HOC (Point-to-point) command, which is a single command. The default is to follow the host and Options section, which is the command module when the module is not specified by default.
2. The module that is used by default can be modified in ansible.cfg. /etc/ansible/ansible.cfgAnsible Common Command parsing:See which m
This article mainly introduces the distribution system for Python to use ansible to distribute and process tasks. For more information, see the distribution system for users familiar with python who can use paramiko to write tasks, combined with the gevent coroutine, asynchronous processing can be implemented.
If you only want to use tools, you can use some tools, such as {puppet, saltstack, fabric, ansible
Prepare: Install the DNS server net3.5 PowerShell Dnsshell plug-in. Dnsshell plug-in accessories inside the Ansible support environment also to be installedAnsible Directory Structure Description:.├──dnsshell #PowerShell dns Support Module cptoc :\windows\system32\windowspowershell\v1.0\modules is in folder │├──dnsshell.dll│ ├──dnsshell.format.ps1xml│├──dnsshell.psd1│└── en-us│└──dnsshell.dll-help.xml├──dns.yml# a
First, installation1, install third-party Epel sourceEpel of CentOS 5rpm-ivhhttp://mirrors.sohu.com/fedora-epel/5/x86_64/epel-release-5-4.noarch.rpmcentos 6的epelrpm-ivhhttp://mirrors.sohu.com/fedora-epel/6/x86_64/epel-release-6-8.noarch.rpmInstallation of 6 Epel because it is version 62, Installation Ansibleyuminstallansible(ansible主机安装ip:192.168.1.100,下面的hosts里面机器不需要安装,所有执行操作都是在ansible主机完成)cd/etc/
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