├── vars
    ├── main.yml
    └── RedHat.yml
├── handlers
    └── main.yml
├── defaults
    └── main.yml
├── meta
    └── main.yml
├── templates
    └── ntp.conf.j2
├── README.md
└── tasks
    └── main.yml


/vars/main.yml:
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1 | ---
2 | # file: roles/ntp/vars/main.yml    
3 | # vars file for ntp
4 | 


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/vars/RedHat.yml:
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1 | ---
2 | # file: roles/ntp/vars/RedHat.yml
3 | # vars file for RedHat
4 | 
5 | ntp_daemon: ntpd
6 | 


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/handlers/main.yml:
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1 | ---
2 | # file: roles/ntp/handlers/main.yml
3 | # handlers file for ntp
4 | 
5 | - name: restart ntpd
6 |   service: name=ntpd state=restarted
7 | 


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/defaults/main.yml:
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 1 | ---
 2 | # file: roles/ntp/defaults/main.yml
 3 | # defaults file for ntp
 4 | 
 5 | ntp_enabled: true
 6 | ntp_timezone: Asia/Shanghai
 7 | 
 8 | ntp_servers:
 9 |   - ntp.fudan.edu.cn prefer
10 |   - ntp.api.bz
11 |   - 127.127.1.0
12 | 


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/meta/main.yml:
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 1 | ---
 2 | galaxy_info:
 3 |   author: z@zstack.net
 4 |   description: NTP installation and configuration for Linux.
 5 |   company: ""
 6 |   license: license (BSD, MIT)
 7 |   min_ansible_version: 1.6
 8 |   platforms:
 9 |   - name: EL
10 |     versions:
11 |     - 6
12 |     - 7
13 |   categories:
14 |   - system
15 | dependencies: []
16 | 


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/templates/ntp.conf.j2:
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 1 | restrict default kod nomodify notrap nopeer noquery
 2 | restrict -6 default kod nomodify notrap nopeer noquery
 3 | 
 4 | restrict 127.0.0.1
 5 | restrict -6 ::1
 6 | 
 7 | {% for server in ntp_servers %}
 8 | server {{ server }}
 9 | {% endfor %}
10 | 
11 | fudge 127.127.1.0 stratum 10
12 | 
13 | driftfile /var/lib/ntp/drift
14 | includefile /etc/ntp/crypto/pw
15 | keys /etc/ntp/keys
16 | 


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/README.md:
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 1 | # Role Name: NTP
 2 | 
 3 | Installs NTP on RedHat/CentOS.
 4 | 
 5 | ## Requirements
 6 | 
 7 | None.
 8 | 
 9 | ## Role Variables
10 | 
11 | ### `defaults/main.yml`
12 | *default lower priority variables for this role*
13 | 
14 | * `ntp_enabled: true`
15 | * `ntp_timezone: Asia/Shanghai`
16 | 
17 | * `ntp_servers:`
18 |     ```
19 |       - ntp.fudan.edu.cn prefer
20 |       - ntp.api.bz
21 |       - 127.127.1.0
22 |     ```
23 | 
24 | ### `vars/RedHat.yml`
25 | 
26 | * `ntp_daemon: ntpd`
27 | 
28 | ## Dependencies
29 | 
30 | None.
31 | 
32 | ## Example Playbook
33 | 
34 |     - name: Install NTP
35 |       hosts: servers
36 |       vars:
37 |         ntp_timezone: Asia/Shanghai
38 |         ntp_servers:
39 |           - 192.168.100.1
40 |       roles:
41 |         - ntp
42 | 
43 | ## License
44 | 
45 | MIT / BSD
46 | 
47 | ## Author Information
48 | 
49 | z@zstack.net
50 | 


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/tasks/main.yml:
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 1 | ---
 2 | # file: roles/ntp/tasks/main.yml
 3 | # tasks file for ntp
 4 | 
 5 | - name: Include OS-specific variables.
 6 |   include_vars: "{{ ansible_os_family }}.yml"
 7 | 
 8 | - name: Set the correct timezone.
 9 |   file: path=/etc/localtime src="/usr/share/zoneinfo/{{ ntp_timezone }}" state=link force=yes
10 |   tags: ntp
11 | 
12 | - name: Install NTP (RedHat).
13 |   yum: name=ntp state=installed
14 |   when: ansible_os_family == 'RedHat'
15 | 
16 | - name: Be sure ntp is configured
17 |   template: src=ntp.conf.j2 dest=/etc/ntp.conf
18 |   notify:
19 |     - restart ntpd
20 | 
21 | - name: Ensure NTP is running and enabled at system start.
22 |   service:
23 |     name: "{{ ntp_daemon }}"
24 |     state: started
25 |     enabled: yes
26 |   when: ntp_enabled
27 | 
28 | - name: Ensure NTP is stopped and disabled at system start.
29 |   service:
30 |     name: "{{ ntp_daemon }}"
31 |     state: stopped
32 |     enabled: no
33 |   when: not ntp_enabled
34 | 


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