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Configuration Management of SaltStack practice-Jinja2 template

Learning SaltStack

Configuration Management of SaltStack practice-Jinja2 template

1. Introduction to Salt yaml configuration file using Jinja2 template

1.1 File status uses the template parameter

1.2 variables in the template file use {{name}}

1.3 list of variables

two。 Practical application

1. Introduction to Salt yaml configuration file using Jinja2 template

Jinja2 official website:

Http://jinja.pocoo.org/

1.1 File status uses the template parameter-template: jinja

1.2 variables in the template file use {{name}} `PORT `

1.3list of variables-defaults:

PORT: 8080

two。 Practical application

Add listening host and port variabl

Vim / srv/salt/devfiles/httpd.conf

Listen `HOST `: `PORT`

# `MAC `

Configure salt master profile, pillar profile, lamp.sls add jinja template:

[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] #

Execution result:

[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 0.0.0.0purl 8080

-

-# 00:50:56:a4:7a:70

+ Listen 10.1.0.109VR 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 0.0.0.0purl 8080

-

-# 00:50:56:a4:00:5c

+ Listen 10.1.0.110purl 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] #

The apache configuration files and Listen location contents of node1 and node2 have also changed accordingly.

[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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