http://blog.keshi.org/hogememo/2015/12/07/exploiting-ansible-jinja2

http://blog.keshi.org/hogememo/2014/10/12/ansible-credential-management

目录结构

group_vars组变量，host_vars主机变量

tvmhls/

├── channels.list.j2

├── channel.yml

├── group_vars

│   └── all.yml

├── hosts.j2

├── host_vars

│   └── 10.20.10.234.yml

├── inventory

└── readme

all.yml

---

links:

  proxy.crc.01:

    ip: 192.168.4.248

    port: 80

  proxy.ct.01:

    ip: 10.10.111.31

    port: 80

  proxy.ct.02:

    ip: 10.20.20.111

    port: 80

  proxy.cu.01:

    ip: 10.10.111.32

    port: 80

  proxy.cu.02:

    ip: 10.20.20.112

    port: 80

10.20.10.234.yml

---

channels:

  - name: BTV1HD

    link: proxy.ct.01

    status: disable

    picture: iphone

    type:

      - iphone

  - name: ShenZhenHD

    link: proxy.cu.02

    status: disable

    picture: ipad

    type:

      - iphone

  - name: CCTV3HD

    link: proxy.ct.01

    status: enable

    picture: ipad

    type:

      - ipad

channel.yml

---

- hosts: '{{ hosts }}'

  gather_facts: no

  vars:

    host_links: |

      {% set l = [] %}

      {% for channel in channels|sort(case_sensitive=True, attribute='link') %}

      {%   set _ = l.append(links[channel.link].ip+' '+channel.link) %}

      {% endfor %}

      {{ l | unique }}

    host_channels: |

      {% set c = [] %}

      {% for channel in channels|sort(case_sensitive=True, attribute='name') %}

      {%   set s = '#' if channel.status == 'disable' else '' %}

      {%   for type in channel.type|sort %}

      {%     set p = '|1' if channel.picture == type else '' %}

      {%     set _ = c.append(s+channel.link+':'+links[channel.link].port|string()+'|wxcenter|'+channel.name+'|'+type+'|60'+p) %}

      {%   endfor %}

      {% endfor %}

      {{ c }}

  tasks:

    - name: update /etc/hosts

      template: src=hosts.j2 dest=/etc/hosts owner=root group=root mode=0644

      notify:

        - restart svscan

    - name: update /opt/script/channels.list

      template: src=channels.list.j2 dest=/opt/script/channels.list owner=root group=root mode=0644

      notify:

        - delete channel file

        - restart svscan

  handlers:

    - name: delete channel file

      shell: /bin/find /opt/online01/{m3u8,muxer} -name "{{ item.name }}"* | /usr/bin/xargs /bin/rm -rf

      when: item.status == 'disable'

      with_items: "{{ channels }}"

    - name: restart svscan

      command: /sbin/initctl restart svscan

hosts.j2

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

{% for link in host_links -%}

    {{ link }}

{% endfor %}

channels.list.j2

[/opt/download:/opt/tvmcap]

{% for channel in host_channels -%}

    {{ channel }}

{% endfor %}

inventory

[wx:children]

local

backup

beijing

shanghai

[local]

127.0.0.1

[backup]

10.20.10.234

[beijing]

10.20.10.225

10.20.10.232

10.20.10.240

10.20.10.241

10.20.10.242

[shanghai]

10.20.10.230

10.20.10.233

10.20.10.237

run playbook

ansible-playbook -i inventory channel.yml --user=root --ask-pass --connection=ssh --extra-vars 'hosts=10.20.10.234'

/etc/hosts

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

10.10.111.31 proxy.ct.01

10.20.20.112 proxy.cu.02

/opt/script/channels.list

[/opt/download:/opt/tvmcap]

#proxy.ct.01:80|wxcenter|BTV1HD|iphone|60|1

proxy.ct.01:80|wxcenter|CCTV3HD|ipad|60|1

#proxy.cu.02:80|wxcenter|ShenZhenHD|iphone|60