SaltStack实战之配置管理-Jinja2模板-创新互联

SaltStack实战之配置管理-Jinja2模板

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• 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


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