SaltStack实战之配置管理-Jinja2模板
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学习 SaltStack
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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