ansible environment

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

: defines the list of Ansible management hosts Ansible features Automatically deploy application code. Automatic System Management configuration. Supports continuous delivery automation. Supports cloud computing and big data platforms (such as AWS, OpenStack, and VMWare. Lightweight. You do not need to install the agent on the client. when updating the agent, you only need to update the agent on the c

Deployment4. Support Custom Module5, support PlaybookPrepare the Environment Host Name Ip localhost (ansiblemaster) 10.10.86.56 Node1 (Ansibleslave) 10.10.73.148 Bogon (Ansibleslave) 10.10.73.149 First, the installation of ansible[email protected] ~]# Yum install ansible#

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

Please be sure to keep the environment consistent To download the required system packages during installation, be sure to connect all the nodes to the Internet . Cluster node information for this installationLab environment: VMware's virtual machines IP Address Host name CPU Memory 192.168.77.133 K8s-m1 6 cores 6G

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

About ansible do not do more company, directly start the installation configuration" Installation Environment"[Email protected] ~]# cat/etc/centos-release CentOS release 6.5 (Final) [[email protected] ~]# Uname-alinux Ansibleserve R 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 03:15:09 UTC x86_64 x86_64 x86_64 gnu/linuxInstall operating system Dependency packages[[Email protected] ~] #yum install-y python-setuptool

In the field of automation operations, in addition to Saltstack, there are ansible this batch installation Deployment tool, in writing the specific content first, first of all I used two tools after the sentiment.Saltstack is the C/s framework, in order to install software in the client, and start the service to manage, ansible is connected via SSH to the client, that is, the key must be passed to the clien

Batch manage remote servers using AnsibleBackground 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 in the environment variables;For example, define $ app_path =/opt/app/bin in. bashrc. Finally

configuration file The previous section has been able to successfully run the ansible command, but the more annoying thing is that every command will pop up a warning, look at the warning content that the previous section "3" in the manner of configuring the managed host is obsolete, we need to use the new configuration, that is, configuration files.The order in which ansible read the configuration files s

Ansible module-lineinfile example, ansible-lineinfileLineinfile module details The lineinfile module is similar to the sed tool in linux, but the articles on the Internet generally only have simple instances, and there are no examples of complicated points. The following is a common example of the lineinfile Module I have summarized based on my actual operations. Directory

First, IntroductionAnsible, an open source platform for integrated IT system configuration management, application deployment, and execution-specific tasks, is a project owned by Ansibleworks Company, founded in 2012 by the authors of Cobbler and Func.Ansible is based on the Python language, and is built from two key modules of Paramiko and Pyyaml.Ansible Features:>> deployment is simple, just deploy the Ansible e