roles function of ansible (v)

Easy to use roles for large projects

Directory structure Orchestration

650) this.width=650; "Src=" Http://s1.51cto.com/wyfs02/M00/8C/36/wKiom1hlF-SjFR-QAAHrlrracRc046.png-wh_500x0-wm_3 -wmp_4-s_1176155170.png "title=" 1.png "alt=" Wkiom1hlf-sjfr-qaahrlrracrc046.png-wh_50 "/>

One click to install HTTPD and provide service

Create a directory structure

[[email protected] ansible]# mkdir-p Roles/httpd/{tasks,files,vars}

[Email protected] ansible]# CD Roles/httpd/tasks

[[email protected] roles] #touch httpd/{files/main.yml,tasks/{groupadd.yml,install.yml,main.yml,restart.yml, USERADD.YML},VARS/MAIN.YML}

650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M00/8C/32/wKioL1hlGAPC6d7dAAAWn-l58cw101.png-wh_500x0-wm_3 -wmp_4-s_2326024754.png "title=" 2.png "alt=" Wkiol1hlgapc6d7daaawn-l58cw101.png-wh_50 "/>

The directory structure is created, and then you start to configure

[Email protected] ~]# Cd/root/ansible/roles/httpd/tasks

First configure MAIN.YML to include all of the configuration in

[email protected] tasks]# cat Main.yml

---

-Include:groupadd.yml

-Include:useradd.yml

-Include:install.yml

-Include:restart.yml

Configure Add user groups

[email protected] tasks]# cat Groupadd.yml

---

-Name:add Group httpd

Group:name=web state=present

Configure Add Users

[email protected] tasks]# cat Useradd.yml

---

-Name:add Group httpd

USER:NAME=HTTPD Groups=web System=yes state=present

Configuring the Installation httpd

[email protected] tasks]# cat Install.yml

---

-Name:install HTTPD

YUM:NAME=HTTPD state=present

Configuring Restart HTTPd

[email protected] tasks]# cat Restart.yml

---

-Name:restart HTTPD

SERVICE:NAME=HTTPD state=restarted

Configuring the primary Yml file

[Email protected] roles]# pwd

/root/ansible/roles

[email protected] roles]# cat Installhttpd.yml

---

-Hosts:test

Remote_user:root

Roles

-ROLE:HTTPD

Test

650) this.width=650; "Src=" Http://s5.51cto.com/wyfs02/M01/8C/32/wKioL1hlGDGyYvrVAABJ4zKZS1Q115.png-wh_500x0-wm_3 -wmp_4-s_3161819666.png "style=" Float:none; "title=" 3.png "alt=" Wkiol1hlgdgyyvrvaabj4zkzs1q115.png-wh_50 "/>

650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M02/8C/36/wKiom1hlGDLxN-uzAABcJ2oXM1U514.png-wh_500x0-wm_3 -wmp_4-s_471239153.png "style=" Float:none; "title=" 4.png "alt=" Wkiom1hlgdlxn-uzaabcj2oxm1u514.png-wh_50 "/>

Provide configuration Web site files

[Email protected] files]# pwd

/root/ansible/roles/httpd/files

[email protected] files]# cat index.html

Create a file for the copy module

[email protected] tasks]# cat Filecp.yml

---

-NAME:CP Documentfile

Copy:src=index.html dest=/var/www/html/index.html

Include file to main

[email protected] tasks]# cat Main.yml

---

-Include:groupadd.yml

-Include:useradd.yml

-Include:install.yml

-Include:restart.yml

-Include:filecp.yml

Test:

650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M02/8C/32/wKioL1hlGEeyQRC5AABoCL_CzYc798.png-wh_500x0-wm_3 -wmp_4-s_1494781897.png "title=" 5.png "alt=" Wkiol1hlgeeyqrc5aabocl_czyc798.png-wh_50 "/>

Roles can also reference

Cases:

[Email protected] roles]# pwd

/root/ansible/roles

[email protected] roles]# CP HTTPD/NGINX-RF

[Email protected] roles]# CD nginx/tasks/

[Email protected] tasks]# RM-RF *

[Email protected] roles]# CD nginx/tasks/

[email protected] tasks]# cat Main.yml

---

-Include:httpd/tasks/restart.yml

[email protected] roles]# CP installhttpd.yml INSTALLNGINX.YML

[email protected] roles]# cat Installnginx.yml

---

-Hosts:test

Remote_user:root

Roles

-Role:nginx

Test:

650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M01/8C/36/wKiom1hlGGGSv4m5AAAxcfFki-8847.png-wh_500x0-wm_3 -wmp_4-s_3524004701.png "title=" 11.png "alt=" Wkiom1hlgggsv4m5aaaxcffki-8847.png-wh_50 "/>

Expand:

1. Execute multiple roles at once

650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M00/8C/36/wKiom1hlGHvxmBGnAAAVX8Llvik818.png-wh_500x0-wm_3 -wmp_4-s_3986092922.png "title=" 22.png "alt=" Wkiom1hlghvxmbgnaaavx8llvik818.png-wh_50 "/>

2, the roles to label, can be executed separately

650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M01/8C/32/wKioL1hlGIizmAwoAAAYgSuYthY638.png-wh_500x0-wm_3 -wmp_4-s_1703512455.png "title=" 33.png "alt=" Wkiol1hlgiizmawoaaaygsuythy638.png-wh_50 "/>

Test

650) this.width=650; "Src=" Http://s5.51cto.com/wyfs02/M00/8C/32/wKioL1hlGJvjcnqmAAAyb2X2HYo500.png-wh_500x0-wm_3 -wmp_4-s_3853290365.png "title=" 44.png "alt=" Wkiol1hlgjvjcnqmaaayb2x2hyo500.png-wh_50 "/>

3. Multi-label

650) this.width=650; "Src=" Http://s1.51cto.com/wyfs02/M02/8C/36/wKiom1hlGLKASxGmAAAznxhViSQ830.png-wh_500x0-wm_3 -wmp_4-s_1410484183.png "title=" 555.png "alt=" Wkiom1hlglkasxgmaaaznxhvisq830.png-wh_50 "/>

To execute a Web project

650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M02/8C/32/wKioL1hlGMLTPfB5AABzXBheCLY179.png-wh_500x0-wm_3 -wmp_4-s_4086162261.png "title=" 121.png "alt=" Wkiol1hlgmltpfb5aabzxbhecly179.png-wh_50 "/>

This article from "Char" blog, declined reprint!

roles function of ansible (v)