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Ansible @ an efficient configuration management tool-Ansibleconfiguremanagement-translation (12)If you do not have written authorization, do not repeat Chapter 5 custom modules. External inventoriesIn the first chapter we saw how Ansible needs an inventory file, so that it knowswhere its hosts are and how to access them. Ansible also allows you to specify ascript
Inventory fileAnsible can operate concurrently with multiple hosts belonging to one group, the relationship between the combined hosts is configured through the inventory file, the default file path is/etc/ansible/hostsIn addition to the default files, you can use multiple inventory files at the same time, or you can pull inventory configuration information from a dynamic source or from the cloud--------------------------------------------------------
A description of the application scenarioDo you have this? A requirement: The number of ports used by Java programs on many servers is compared with the normal values.You can use the following command to get the result:Netstat-tulnp|grep java|wc-lBut a lot of servers, each manual to execute this command is not realistic. So think of using ansible batch to execute, ansible use Paramiko to SSH login server ex
advantages of the implementation of batch system configuration, batch program deployment, batch Run command and other functions. Multiple servers can be configured to execute a single command on multiple servers simultaneously.framework of the ansible650) this.width=650; "Src=" http://img.blog.csdn.net/20170727141309802?watermark/2/text/ ahr0cdovl2jsb2cuy3nkbi5uzxqva2fpcnvpmtiz/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/dissolve/70/gravity/ Southeast "alt=" here to write a picture describing
Objective:Ansible results By default is output to the CLI terminal and log inside, used to saltsatck the returners data callback, also very much like Ansible also have, at first did not know this function, oneself also simple to achieve such a function.My implementation is to do some output logic inside the module. When using the Ansible Runner API, it is runner the code at the back and finally adds a secti
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
AnsibleHost group Management:Ansible ConfigurationDescription: About the parameters available in the Ansible Hosts file:Ansible_ssh_port=22 #远程主机登陆端口Ansible_ssh_user=root #远程主机登陆用户名Ansible_ssh_pass=chekir #远程主机登陆用户名的密码Ansible_ssh_private_key_file=/etc/ansible/hosts #指定管理主机群列表文件Host_key_checking=false #跳过第一次连接检测询问是否登陆的提示 (yes/no)Here Hosts file I did a mutual trust authentication, so the hosts file I wrote a
Ansible Code:http://releases.ansible.com/ansible/# git clone git://github.com/ansible/ansible.git--recursive# CD./ansile# source./hacking/env-setup# Vi/etc/profile# Source/etc/profile# Easy_install Pycrypto-2.6.1.tar.gz# yum Install gccQ:src/hash_template.c:361:warning:implicit declaration of function ' Py_fatalerror 'A:yum Install Python-develQ:src/hash_template
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.
Centos7 compilation and installation of ansible Shell: The local variable definition word, the global variable definition word export ---- small Q Bytes ----------------------------------------------------------------------------------------------------- Requirement: most of us are using centos6. When installing ansible, yum installs the extension source and ansible
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
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
The lookup plugin for ansible can be used to read information from external data and then pay a variable. The types of external data information obtained include reading the contents of a file, randomly generating password, executing shell commands, reading Redis key values, and so on. Note that all of the operations of lookup are done on the Ansible console, not
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
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
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