ansible expect

First, the basic introduction of Ansible: What's the ansible type?Ansible is a very simple IT operations automation tool engine for configuration management, application deployment, internal service orchestration, and more, for hundreds of thousands of managed nodes, based on Python development. She does not need an agent and is easy to deploy, with no other

Ansible playbook component, ansibleplaybook Core elements of playbook: Tasks: Task Variables: Variable Templates: Template Handlers: Processor Roles: Role Organization format: YAML (also known as a Markup Language) Syntax: (the list is represented by a horizontal bar. Key-value pairs are separated by colons, and other key-value pairs can be nested in key-value pairs) Example: name: tom Age: 21 Gender: Male Spourse: Name: lily Gender: female Children:

Common ansible module usage Ansible provides many modules by default. In Linux, we can run the ansible-doc-l command to check which modules are supported by ansible, you can use the ansible-doc-s Module name to view the parameters available for this module. The following des

Example:1, Ping module all CCE Group host survival rate[[email protected] ~]# ansible cce-m Ping2. Execute commands with command[Email protected] ~]# ansible cce-m command-a ' cat/etc/redhat-release '3. Execute commands using shell module[Email protected] ~]# ansible cce-m shell-a ' cat/etc/redhat-release '4. copy files using copy module[Email protected] ~]#

Ansible using advanced steps Experimental Environment Group: Srvs Group member host name, system version, and IP Node1 centos-7-core 172.16.253.184 node2 centos-7-core 172.16.254.89 node3 centos-7-core 172.16.253.47 Node4 Centos-6-core 172.16.253.30 iterative function of PlaybookSimple item to use --- -hosts:srvs remote_user:root tasks: -name:copy files tags:copy when:ansible_ Distribution_major_version = = "7" copy:src=/root/

Use ansible to manage remote servers in batches.Use ansible to batch manage remote server background Local management of a batch of remote servers is required, mainly to execute the following tasks: 1) Copy local files to all remote servers;2) execute commands on the remote server; The paths of the remote server are not completely consistent. Generally, access is performed through the variable paths defined

1. ansible configuration file[Email protected] ansible]# rpm-ql ansible |grep etc/etc/ansible/etc/ansible/ansible.cfg/etc/ansible/hosts/etc/ Ansible/rolesThe Ansible.cfg file can set so

Ansible is a free and open source configuration and Automation tool developed for UNIX-like systems. It's written in Python, similar to chef and puppet, but there's a difference and the advantage is that we don't need to install any clients in the node. It uses SSH to communicate with the node. In this article we will install and configure ansible on CentOS7, and try to manage two nodes.Ansible Server –ansi

Command module:The 1:command module executes the command on the remote node:The command module is followed by the commands to be executed, and the arguments to the command are separated by spaces. The specified command executes on the selected node. The command is not executed through the shell, so environment variables such as $home and some operators (1 chdir switch to the specified directory before running the command.[Email protected] ansible]#

First, what kind of situation requires a lot of deployment 1, the installation of the operating system Common is collber,red hat satelite (Redhat) system dedicated. 2, the operating system configuration Common to have cfengine,puppet,chef,func. One of the most popular puppet 3, the deployment of batch programs 4, the volume command run View status information Ii. introduction of Ansible The structure of the ansibl