SaltStack实战之配置管理-Jinja2模板
SaltStack实战之配置管理-Jinja2模板
[TOC]
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
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- template: jinja |
1.2 模板文件里面变量使用{{ 名称 }}
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{{ PORT }} |
1.3 变量列表
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- 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
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Listen {{ HOST }}:{{ PORT }} # {{ MAC }} |
配置salt master配置文件、pillar配置文件、lamp.sls添加jinja模板：
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[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：
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[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。
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[root@im109 ~]# vim /etc/httpd/conf/httpd.conf Listen 10.1.0.109:8080 # 00:50:56:a4:44:7a |
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[root@im110 ~]# vim /etc/httpd/conf/httpd.conf Listen 10.1.0.110:8080 # 00:50:56:a4:44:7a |
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