,host,variablestest,example,ansible_ssh_user= Roottest,localhost,connection=localLet's write a CSV file that extracts data from all of your machines. Then publish the module to the Ansible inventory list. Suppose you have a CMDB (database) that you can use to export your device to CSV, or if the device record is stored in an Excel table, this module is very useful.In addition, it does not require any dependencies other than Python, it only needs to pa
Ansible is a framework structure that works based on modules. The bulk deployment capability is implemented by the modules that are run by ansible. In short, Ansible is based on "modules" to accomplish various "tasks". The basic syntax for Ansible Common Core module modules is as followsansible [主机] [-m 模块] [-a args]
reboot restart2, the configuration of Node 2, modify the host name:[[Email protected] ~]# service iptables stop[Email protected] ~]# chkconfig iptables off[Email protected] ~]# hostname node2.server.com[Email protected] ~]# vim/etc/sysconfig/networkAdd the following content:Networking=yesHostname=node2.server.comLogout Logout or reboot restartOn the ansible server configuration:
Firewall and Host name configuration
[[Email protected] ~]
/hosts directly define the connection time password is not safe, general recommendation based on SSH key authentication way realizes
3.playbooks
(1) Core elements
Tasks tasks, variables variables, templates templates, handlers processors, roles roles
(2) Define tasks in Playbooks:
-Name:task Description Annotation Description informationModule_name:module_args declaration module: defining ansible Module parameters
(3)
Directory
Handlers
Playbook Case 2 handlers
VARs variable
Setup Facts Variable Usage
Case
Defining variables in Inventory
Case
Condition test
When statement
Case
Handlers
Follow up on an article Ansible playbooks introduction and use a continuation note
Used to take certain
serviceEnabled=: Whether the boot starts automatically, evaluates to TRUE or FalseState=: Status, Value started, stopped, restartedExample: Ansible websrvs-m service-a ' name=httpd state=started enabled=true '⑦shell:Ansible websrvs-m shell-a ' echo $TERM '⑧script: Copy the local script to the remote host and runExample: ansible websrvs-m script '/root/adduser.sh '⑨ping:
to 3.0+,windows PowerShell 3.0 using the. NETFramework 4.0Download UPGRADE_TO_PS3.PS1, right-click to restart the system after running with PowerShellor using ansible to provide an initialization script, the script basically completes the following actions:Check the thumbprint of the last installed certificateConfiguring error HandlingDetecting Power shell versionsCheck/start WIMRM serviceEnsure that the PS session configuration is checked after WinR
connected via a key, we can write a test script to test
[Email protected] ~]# vim/service/scripts/jiancha_scripts.sh
#/bin/bashIf [$#-ne 1]Thenecho "pls input one agrs"Exit 1FiFor IP in 31 41 7DoEcho ==============info 10.0.0. $ip ==============SSH 10.0.0. $ip $echo ""Done[Email protected] ~]# sh/service/scripts/jiancha_scripts.sh hostname==============info 10.0.0.31==============Nfs01
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
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
-iUvhhttp: // dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm
Step 2: Use yum to install Ansible
[Root @ ansible ~] # Yum installansible
After the installation is complete, check the ansible version:
[Root @ ansible ~] # Ansible -- version
Step 3: Set
. ", vulnerability)However, this approach is only temporary, and a better way is to upgrade the LIBGMP to a compliant version.
c. Wrong implementation times
[root@361way.com src]# ansible test-m raw-a ' uptime '10.212.52.14 | FAILED => to use the ' SSH ' connection type with passwords, and must install the Sshpass program10.212.52.16 | FAILED => to use the ' SSH ' connection type with passwords, and must
;
(6) strong multi-tier solution: multi-level command can be implemented;
Ii. basic use of ansible
1. Install ansible
[[emailprotected]~]#yuminstall-yansible
2. Main files
[[emailprotected]~]#ls/etc/ansible/ansible.cfg#主配置文件,可不修改hosts#添加需操作的主机组
3. ansible format
ansible
been installed and you have prepared your hosts file, you can try it. For quick testing, I wrote 127.0.0.1 to the hosts file of ansible:
$ Echo "127.0.0.1"> ~ /Ansible_hosts
Now let's test a simple ping:
$ Ansible all-m ping
Or the ssh password is prompted:
$ Ansible all-m ping -- ask-pass
I have encountered
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