SaltStack实战之配置管理-Jinja2模板

学习SaltStack

SaltStack实战之配置管理-Jinja2模板

1. Salt yaml配置文件使用Jinja2模板介绍

1.1 File状态使用template参数

1.2 模板文件里面变量使用{{ 名称 }}

1.3 变量列表

2. 实战应用

1. Salt yaml配置文件使用Jinja2模板介绍

jinja2官方网站：
http://jinja.pocoo.org/

1.1 File状态使用template参数

- template: jinja

1.2 模板文件里面变量使用{{ 名称 }}

` PORT `

1.3 变量列表

- defaults:
 PORT: 8080

2. 实战应用

添加监听主机和端口变量

vim /srv/salt/devfiles/httpd.conf

Listen ` HOST `:` PORT `

# ` MAC `

配置salt master配置文件、pillar配置文件、lamp.sls添加jinja模板：

[root@salt-master112 dev]# egrep -v '^$|^[#]' /etc/salt/master
state_top: top.sls
file_roots:
 base:
- /srv/salt
 dev:
- /srv/salt/dev
 test:
- /srv/salt/test
 prod:
- /srv/salt/prod
pillar_roots:
 base:
- /srv/salt/pillar
 dev:
- /srv/salt/dev/pillar
[root@salt-master112 dev]# cat /srv/salt/pillar/top.sls 
dev:
 'node*.test.com':
- apache
[root@salt-master112 dev]# cat /srv/salt/dev/pillar/apache.sls 
apache:
 HOST: {{ grains['fqdn_ip4'][0] }}
 PORT: 8080
 MAC: {{ salt['network.hw_addr']('eth0') }}
[root@salt-master112 dev]# salt '*' saltutil.refresh_pillar 
node1.test.com:
True
master.test.com:
True
node2.test.com:
True
[root@salt-master112 dev]# salt '*' pillar.items
master.test.com:
----------
node1.test.com:
----------
apache:
----------
HOST:
10.1.0.109
MAC:
00:50:56:a4:44:7a
PORT:
8080
node2.test.com:
----------
apache:
----------
HOST:
10.1.0.110
MAC:
00:50:56:a4:44:7a
PORT:
8080
[root@salt-master112 dev]# cat /srv/salt/dev/lamp.sls 
lamp-pkg-install:
 pkg.installed:
- names:
 - php
 - php-fpm
 - mysql
 - php-mysql
 - php-pdo

apache-service:
 pkg.installed:
- name: httpd
 file.managed:
- name: /etc/httpd/conf/httpd.conf
- source:
 - salt://files/httpd.conf
- user: root
- group: root
- mode: 644
- template: jinja
- defaults:
 HOST: {{ pillar['apache']['HOST'] }}
 PORT: {{ pillar['apache']['PORT'] }}
 MAC: {{ pillar['apache']['MAC'] }}
- require:
 - pkg: apache-service
 service.running:
- name: httpd
- enable: True
- reload: True
- watch:
 - file: apache-service

mysql-service:
 pkg.installed:
- name: mysql-server
- require_in:
 - file: mysql-service
 file.managed:
- name: /etc/my.cnf
- source:
 - salt://files/my.cnf
- user: root
- group: root
- mode: 644
- watch_in:
 - service: mysql-service
 service.running:
- name: mysqld
- enable: True

php-fpm-service:
 service.running:
- name: php-fpm
- enable: True
[root@salt-master112 dev]# 

执行结果：

[root@salt-master112 dev]# salt '*' state.highstate
master.test.com:
----------
 ID: /etc/resolv.conf
Function: file.managed
 Result: True
 Comment: File /etc/resolv.conf is in the correct state
 Started: 17:54:00.390576
Duration: 31.841 ms
 Changes:

Summary for master.test.com
------------
Succeeded: 1
Failed:0
------------
Total states run: 1
Total run time: 31.841 ms
node1.test.com:
----------
 ID: /etc/resolv.conf
Function: file.managed
 Result: True
 Comment: File /etc/resolv.conf is in the correct state
 Started: 09:56:43.761673
Duration: 34.809 ms
 Changes:
----------
 ID: lamp-pkg-install
Function: pkg.installed
Name: php-fpm
 Result: True
 Comment: Package php-fpm is already installed
 Started: 09:56:44.225287
Duration: 630.568 ms
 Changes:
----------
 ID: lamp-pkg-install
Function: pkg.installed
Name: php-pdo
 Result: True
 Comment: Package php-pdo is already installed
 Started: 09:56:44.856050
Duration: 0.522 ms
 Changes:
----------
 ID: lamp-pkg-install
Function: pkg.installed
Name: php
 Result: True
 Comment: Package php is already installed
 Started: 09:56:44.856677
Duration: 0.366 ms
 Changes:
----------
 ID: lamp-pkg-install
Function: pkg.installed
Name: php-mysql
 Result: True
 Comment: Package php-mysql is already installed
 Started: 09:56:44.857143
Duration: 0.386 ms
 Changes:
----------
 ID: lamp-pkg-install
Function: pkg.installed
Name: mysql
 Result: True
 Comment: Package mysql is already installed
 Started: 09:56:44.857623
Duration: 0.349 ms
 Changes:
----------
 ID: apache-service
Function: pkg.installed
Name: httpd
 Result: True
 Comment: Package httpd is already installed
 Started: 09:56:44.858061
Duration: 0.343 ms
 Changes:
----------
 ID: apache-service
Function: file.managed
Name: /etc/httpd/conf/httpd.conf
 Result: True
 Comment: File /etc/httpd/conf/httpd.conf updated
 Started: 09:56:44.858780
Duration: 34.022 ms
 Changes:
 ----------
 diff:
 --- 
 +++ 
 @@ -133,9 +133,9 @@
# prevent Apache from glomming onto all bound IP addresses (0.0.0.0)
#
#Listen 12.34.56.78:80
 -Listen 0.0.0.0:8080
 -
 -# 00:50:56:a4:7a:70
 +Listen 10.1.0.109:8080
 +
 +# 00:50:56:a4:44:7a
# Dynamic Shared Object (DSO) Support
#
# To be able to use the functionality of a module which was built as a DSO you
----------
 ID: apache-service
Function: service.running
Name: httpd
 Result: True
 Comment: Service reloaded
 Started: 09:56:44.950689
Duration: 87.451 ms
 Changes:
 ----------
 httpd:
 True
----------
 ID: mysql-service
Function: pkg.installed
Name: mysql-server
 Result: True
 Comment: Package mysql-server is already installed
 Started: 09:56:45.038390
Duration: 0.739 ms
 Changes:
----------
 ID: mysql-service
Function: file.managed
Name: /etc/my.cnf
 Result: True
 Comment: File /etc/my.cnf is in the correct state
 Started: 09:56:45.039596
Duration: 17.182 ms
 Changes:
----------
 ID: mysql-service
Function: service.running
Name: mysqld
 Result: True
 Comment: The service mysqld is already running
 Started: 09:56:45.057008
Duration: 68.422 ms
 Changes:
----------
 ID: php-fpm-service
Function: service.running
Name: php-fpm
 Result: True
 Comment: The service php-fpm is already running
 Started: 09:56:45.125649
Duration: 53.97 ms
 Changes:

Summary for node1.test.com
-------------
Succeeded: 13 (changed=2)
Failed: 0
-------------
Total states run: 13
Total run time: 929.129 ms
node2.test.com:
----------
 ID: /etc/resolv.conf
Function: file.managed
 Result: True
 Comment: File /etc/resolv.conf is in the correct state
 Started: 09:56:44.357709
Duration: 56.916 ms
 Changes:
----------
 ID: lamp-pkg-install
Function: pkg.installed
Name: php-fpm
 Result: True
 Comment: Package php-fpm is already installed
 Started: 09:56:45.634382
Duration: 1721.668 ms
 Changes:
----------
 ID: lamp-pkg-install
Function: pkg.installed
Name: php-pdo
 Result: True
 Comment: Package php-pdo is already installed
 Started: 09:56:47.356467
Duration: 1.34 ms
 Changes:
----------
 ID: lamp-pkg-install
Function: pkg.installed
Name: php
 Result: True
 Comment: Package php is already installed
 Started: 09:56:47.358095
Duration: 1.359 ms
 Changes:
----------
 ID: lamp-pkg-install
Function: pkg.installed
Name: php-mysql
 Result: True
 Comment: Package php-mysql is already installed
 Started: 09:56:47.359721
Duration: 1.553 ms
 Changes:
----------
 ID: lamp-pkg-install
Function: pkg.installed
Name: mysql
 Result: True
 Comment: Package mysql is already installed
 Started: 09:56:47.361541
Duration: 1.361 ms
 Changes:
----------
 ID: apache-service
Function: pkg.installed
Name: httpd
 Result: True
 Comment: Package httpd is already installed
 Started: 09:56:47.363199
Duration: 1.377 ms
 Changes:
----------
 ID: apache-service
Function: file.managed
Name: /etc/httpd/conf/httpd.conf
 Result: True
 Comment: File /etc/httpd/conf/httpd.conf updated
 Started: 09:56:47.365880
Duration: 84.28 ms
 Changes:
 ----------
 diff:
 --- 
 +++ 
 @@ -133,9 +133,9 @@
# prevent Apache from glomming onto all bound IP addresses (0.0.0.0)
#
#Listen 12.34.56.78:80
 -Listen 0.0.0.0:8080
 -
 -# 00:50:56:a4:00:5c
 +Listen 10.1.0.110:8080
 +
 +# 00:50:56:a4:44:7a
# Dynamic Shared Object (DSO) Support
#
# To be able to use the functionality of a module which was built as a DSO you
----------
 ID: apache-service
Function: service.running
Name: httpd
 Result: True
 Comment: Service reloaded
 Started: 09:56:47.617560
Duration: 236.903 ms
 Changes:
 ----------
 httpd:
 True
----------
 ID: mysql-service
Function: pkg.installed
Name: mysql-server
 Result: True
 Comment: Package mysql-server is already installed
 Started: 09:56:47.855453
Duration: 6.781 ms
 Changes:
----------
 ID: mysql-service
Function: file.managed
Name: /etc/my.cnf
 Result: True
 Comment: File /etc/my.cnf is in the correct state
 Started: 09:56:47.865735
Duration: 72.983 ms
 Changes:
----------
 ID: mysql-service
Function: service.running
Name: mysqld
 Result: True
 Comment: The service mysqld is already running
 Started: 09:56:47.939601
Duration: 169.518 ms
 Changes:
----------
 ID: php-fpm-service
Function: service.running
Name: php-fpm
 Result: True
 Comment: The service php-fpm is already running
 Started: 09:56:48.109622
Duration: 157.914 ms
 Changes:

Summary for node2.test.com
-------------
Succeeded: 13 (changed=2)
Failed: 0
-------------
Total states run: 13
Total run time:2.514 s
[root@salt-master112 dev]# 

node1和node2的apache配置文件，Listen位置内容也有相应变化。

[root@im109 ~]# vim /etc/httpd/conf/httpd.conf 
Listen 10.1.0.109:8080

# 00:50:56:a4:44:7a

[root@im110 ~]# vim /etc/httpd/conf/httpd.conf 
Listen 10.1.0.110:8080

# 00:50:56:a4:44:7a