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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SaltStack实战之配置管理-Jinja2模板-创新互联